Which airports can I use when flying from Washington, D.C. to Singapore?

Flights from Washington, D.C. to Singapore may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Singapore Changi (SIN).

Which cabin classes can I book on flights from Washington, D.C. to Singapore?

Only Economy class is available on flights from Washington, D.C. to Singapore.

Which airports do connecting flights from Washington, D.C. to Singapore pass through?

One-stop flights from Washington, D.C. to Singapore most commonly connect through: • Doha Hamad Intl (DOH) – 38% of one-stop connections • Istanbul (IST) – 26% of one-stop connections • San Francisco (SFO) – 14% of one-stop connections • Abu Dhabi Zayed Intl (AUH) – 10% of one-stop connections

Can I save money by using flexible dates for flights from Washington, D.C. to Singapore?

Yes. Flexible dates can save you up to 30% on flights from Washington, D.C. to Singapore. Monday is the cheapest departure day at S$ 1,518 return on average, while Friday is the most expensive at S$ 2,156, a difference of S$ 639. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Singapore?

Some of the most popular sights in Singapore are Sentosa, North Bridge Road, and Marina Square. These are among the most viewed places in Singapore on KAYAK.

How expensive are last-minute Washington, D.C. to Singapore flights?

Last-minute fares on this route (booked within two weeks of departure) run 7% above the S$ 1,677 route average. Book 14 weeks before departure for the lowest fares.

How long is a flight from Washington, D.C. to Singapore?

A direct flight from Washington, D.C. to Singapore takes 00m, covering 24,987 km.

Do I need a passport to fly from Washington, D.C. to Singapore?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Washington, D.C. to Singapore looking right now?

One-way fares from Washington, D.C. to Singapore are currently lower than usual. Average one-way flight prices are about S$ 634, which is 30% below the typical average for this route.

How much time can I save by choosing a different stopover airport from Washington, D.C. to Singapore?

Flying via Dubai Intl (DXB) gives the shortest average 1-stop total travel time of 23h 13m, compared to 23h 45m via Taipei City Taiwan Taoyuan Intl (TPE) and 24h 21m via San Francisco (SFO).

What is the time difference between Washington, D.C. and Singapore?

Singapore is 12 hours ahead of Washington, D.C. (Singapore Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Singapore Changi Airport (SIN)?

Singapore Changi Airport (SIN) hosts 5 major car rental companies, with daily rates starting from around S$ 75 for economy cars. Top options include: • Avis • Sixt • Thrifty • Hertz • Europcar

How much should I expect to pay for a Washington, D.C. to Singapore flight?

Return flights from Washington, D.C. to Singapore range from S$ 1,484 to S$ 2,186, with an average of S$ 1,677 over the past 12 months. Anything below S$ 1,484 counts as a good deal.

What is the cheapest Washington, D.C. to Singapore flight route?

There's little price difference between Washington, D.C. to Singapore routes. They average around S$ 1,650 return, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. to Singapore?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. to Singapore. It's 10% cheaper than the average day, while Friday is the most expensive, with prices 28% higher.

What is the cheapest month to fly from Washington, D.C. to Singapore?

•February is the cheapest month to fly from Washington, D.C. to Singapore at S$ 1,241 return. •December (S$ 2,451) and June (S$ 1,909) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 97% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Washington, D.C. to Singapore the cheapest?

Flights from Washington, D.C. to Singapore are cheapest 14 weeks before departure. Booking in this window typically costs about 27% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Which airline is the cheapest to fly from Washington, D.C. to Singapore?

Korean Air (S$ 1,509) and Qatar Airways (S$ 1,511) are the cheapest airlines to fly return from Washington, D.C. to Singapore according to KAYAK data over the last 5 days.

What is the most popular stopover airport when flying from Washington, D.C. to Singapore?

Doha Hamad Intl (DOH) is the most popular stopover for the Washington, D.C. to Singapore route. 38% of KAYAK users who booked 1-stop return journeys over the past 3 months connected via DOH.

What is the cheapest stopover airport when flying from Washington, D.C. to Singapore?

Flights via Jeddah King Abdulaziz Intl (JED) offer the most affordable fares, with an average return price of S$ 1,090. Based on KAYAK data over the past 3 months.

When flying from Washington, D.C. to Singapore, which airport offers the shortest stopover?

Dubai Intl (DXB) had the shortest average connection time for Washington, D.C. to Singapore stopovers at 13h over the past 3 months.

S$ 601 CHEAP FLIGHTS from Washington, D.C. to Singapore (WAS - SIN)

Save 27% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return flight

S$ 1,508

Typical prices: S$ 1,484-S$ 2,186

Multiple Airlines

Thu 6-12Thu 13-12

IAD - SIN • 3 stops

Cheapest one-way flight

S$ 601

Typical prices: S$ 769-S$ 1,240

Gulf Air

Fri 9-2

DCA - SIN • 2 stops

Direct flights

Not available

There are currently no direct flights between Washington, D.C. and Singapore. You'll need to take a connecting flight to reach the destination.

Insights

Top routes

DCA - SIN

Cheapest • 2% average savings

IAD - SIN

Most popular

Insights

When to book

14 weeks

in advance

Our data shows that travellers who book at least 14 weeks in advance save around 27% compared to booking last minute.

Insights

When to travel

February

Cheapest • 26% price drop

November

Most popular

Good to know

Top stopover airports

Jeddah King Abdulaziz Intl (JED)

Cheapest • Avg S$ 1,090 (return)

Dubai Intl (DXB)

Shortest trip • 23h 13m (one-way)

Insights

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Singapore!

Flight Deals

Cheap Flights from Washington, D.C. to Singapore (WAS-SIN)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Washington, D.C. to Singapore

Mon, 12 Apr - Sun, 18 Apr

13:15 - 05:00IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

27h 45m1 stop Incheon Intl

22:00 - 14:41SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 41m2 stops Incheon Intl Atlanta Hartsfield-Jackson

S$ 1,509Korean Air

2 days ago

Thu, 4 Feb - Fri, 19 Feb

14:25 - 09:35IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 10m1 stop Abu Dhabi Zayed Intl

02:15 - 20:23SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

31h 08m3 stops Jeddah King Abdulaziz Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

S$ 1,509Multiple Airlines

3+ days ago

Fri, 16 Apr - Mon, 3 May

13:15 - 23:55IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 40m1 stop Incheon Intl

22:00 - 14:41SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

28h 41m2 stops Incheon Intl Atlanta Hartsfield-Jackson

S$ 1,509Korean Air

2 days ago

Thu, 12 Nov - Mon, 23 Nov

20:05 - 08:45IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

23h 40m1 stop Doha Hamad Intl

03:15 - 23:09SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

32h 54m2 stops Doha Hamad Intl Dallas/Fort Worth

S$ 1,511Qatar Airways

2 days ago

Thu, 14 Jan - Sun, 31 Jan

20:05 - 11:55IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

26h 50m2 stops Doha Hamad Intl Kuala Lumpur Intl

21:20 - 15:55SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

31h 35m2 stops Kuala Lumpur Intl Doha Hamad Intl

S$ 1,514Qatar Airways

3+ days ago

Mon, 7 Dec - Mon, 14 Dec

06:00 - 05:00IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

34h 00m2 stops Atlanta Hartsfield-Jackson Incheon Intl

22:30 - 09:50SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

24h 20m1 stop Incheon Intl

S$ 1,514Korean Air

2 days ago

Mon, 7 Dec - Wed, 16 Dec

06:00 - 05:00IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

34h 00m2 stops Atlanta Hartsfield-Jackson Incheon Intl

01:40 - 09:50SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

21h 10m1 stop Incheon Intl

S$ 1,514Korean Air

2 days ago

Mon, 25 Jan - Sun, 28 Feb

20:05 - 10:30IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

25h 25m2 stops Doha Hamad Intl Kuala Lumpur Intl

21:20 - 15:55SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

31h 35m2 stops Kuala Lumpur Intl Doha Hamad Intl

S$ 1,514Qatar Airways

1 day ago

Sat, 21 Nov - Fri, 27 Nov

20:05 - 08:45IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

23h 40m1 stop Doha Hamad Intl

03:15 - 15:55SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

25h 40m1 stop Doha Hamad Intl

S$ 2,803JetBlue

2 days ago

Thu, 24 Dec - Fri, 1 Jan

20:05 - 08:45IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

23h 40m1 stop Doha Hamad Intl

03:15 - 15:55SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

25h 40m1 stop Doha Hamad Intl

S$ 3,917JetBlue

5 hours ago

Recent last minute flight deals from Washington, D.C. to Singapore

Fri, 30 Oct - Tue, 3 Nov

11:15 - 21:45IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

22h 30m1 stop Dubai Intl

10:30 - 08:35SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

35h 05m1 stop Dubai Intl

S$ 1,606Emirates

1 day ago

Thu, 29 Oct - Mon, 28 Dec

21:10 - 18:40IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

33h 30m2 stops Zurich Colombo Bandaranaike Intl

00:05 - 17:00SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

29h 55m1 stop Zurich

S$ 1,614Multiple Airlines

3+ days ago

Thu, 29 Oct - Thu, 5 Nov

15:25 - 11:30IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

32h 05m2 stops Abu Dhabi Zayed Intl Kuala Lumpur Intl

19:25 - 09:00SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 35m1 stop Abu Dhabi Zayed Intl

S$ 1,625Multiple Airlines

3+ days ago

Fri, 30 Oct - Tue, 3 Nov

15:25 - 09:50IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 25m3 stops Abu Dhabi Zayed Intl Kochi Chennai

19:25 - 09:00SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

26h 35m1 stop Abu Dhabi Zayed Intl

S$ 1,660Multiple Airlines

1 day ago

Fri, 30 Oct - Mon, 2 Nov

11:15 - 11:30IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

36h 15m2 stops Dubai Intl Kuala Lumpur Intl

00:30 - 08:35SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

45h 05m1 stop Dubai Intl

S$ 1,670Emirates

1 day ago

Thu, 29 Oct - Thu, 5 Nov

07:02 - 11:50IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

40h 48m2 stops Seattle/Tacoma Intl Hong Kong Intl

20:20 - 05:38SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

46h 18m2 stops Hong Kong Intl Los Angeles

S$ 1,707Cathay Pacific

3+ days ago

Thu, 29 Oct - Tue, 29 Dec

21:10 - 18:40IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

33h 30m2 stops Zurich Colombo Bandaranaike Intl

21:00 - 14:10SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

30h 10m2 stops Bangkok Suvarnabhumi Vienna Intl

S$ 1,714Multiple Airlines

3+ days ago

Sat, 31 Oct - Sat, 7 Nov

14:50 - 12:50DCA Washington, D.C. Reagan-National-SIN Singapore Changi

58h 00m2 stops New York John F Kennedy Intl Manama Bahrain Intl

13:15 - 20:00SIN Singapore Changi-DCA Washington, D.C. Reagan-National

43h 45m2 stops Taipei City Taiwan Taoyuan Intl Los Angeles

S$ 1,762Multiple Airlines

2 days ago

Fri, 30 Oct - Tue, 3 Nov

15:25 - 09:50IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

30h 25m3 stops Abu Dhabi Zayed Intl Kochi Chennai

18:15 - 09:00SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

27h 45m2 stops Phuket City Abu Dhabi Zayed Intl

S$ 1,776Multiple Airlines

1 day ago

Thu, 29 Oct - Thu, 5 Nov

15:25 - 05:10IAD Washington, D.C. Dulles Intl-SIN Singapore Changi

25h 45m2 stops Abu Dhabi Zayed Intl Hyderabad Rajiv Gandhi Intl

09:00 - 09:00SIN Singapore Changi-IAD Washington, D.C. Dulles Intl

37h 00m3 stops Chiang Mai Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

S$ 1,784Multiple Airlines

3+ days ago

Booking Insights

Price, demand, and travel trends for Washington, D.C. to Singapore flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Stopovers

What is the cheapest Washington, D.C. to Singapore flight route? KAYAK tracks online flight deals over the last 12 months and analyses pricing trends to identify the best available fares.: There's little price difference between Washington, D.C. to Singapore routes. They average around S$ 1,650 return, based on KAYAK data over the past 12 months.
What's the cheapest day of the week to fly from Washington, D.C. to Singapore?: Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Washington, D.C. to Singapore. It's 10% cheaper than the average day, while Friday is the most expensive, with prices 28% higher.
What is the cheapest month to fly from Washington, D.C. to Singapore? KAYAK internal proprietary data takes all prices for each month over the last 12 months for return flights from Washington, D.C. to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.: •February is the cheapest month to fly from Washington, D.C. to Singapore at S$ 1,241 return.
•December (S$ 2,451) and June (S$ 1,909) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 97% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are flights from Washington, D.C. to Singapore the cheapest?: Flights from Washington, D.C. to Singapore are cheapest 14 weeks before departure. Booking in this window typically costs about 27% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Low season	August
High season	November
Cheapest flight	S$ 601

Beat the crowds with an average 40% drop in travellers.

The most popular month to fly with an average 88% increase in travellers.

One-way flight from Washington, D.C. Reagan-National Airport to Singapore

When to book flights from Washington, D.C. to Singapore

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Singapore based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Washington, D.C. to Singapore?
Only Economy class is available on flights from Washington, D.C. to Singapore.
How long is a flight from Washington, D.C. to Singapore?
A direct flight from Washington, D.C. to Singapore takes 00m, covering 24,987 km.
Do I need a passport to fly from Washington, D.C. to Singapore?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Washington, D.C. to Singapore flight?
Return flights from Washington, D.C. to Singapore range from S$ 1,484 to S$ 2,186, with an average of S$ 1,677 over the past 12 months. Anything below S$ 1,484 counts as a good deal.
How expensive are last-minute Washington, D.C. to Singapore flights?
Last-minute fares on this route (booked within two weeks of departure) run 7% above the S$ 1,677 route average. Book 14 weeks before departure for the lowest fares.
How are flight prices from Washington, D.C. to Singapore looking right now?
One-way fares from Washington, D.C. to Singapore are currently lower than usual. Average one-way flight prices are about S$ 634, which is 30% below the typical average for this route.
Which car hire options are available at Singapore Changi Airport (SIN)?
Singapore Changi Airport (SIN) hosts 5 major car rental companies, with daily rates starting from around S$ 75 for economy cars. Top options include:

• Avis
• Sixt
• Thrifty
• Hertz
• Europcar
Which airports can I use when flying from Washington, D.C. to Singapore?
Flights from Washington, D.C. to Singapore may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Singapore Changi (SIN).
Which airports do connecting flights from Washington, D.C. to Singapore pass through?
One-stop flights from Washington, D.C. to Singapore most commonly connect through:

• Doha Hamad Intl (DOH) – 38% of one-stop connections
• Istanbul (IST) – 26% of one-stop connections
• San Francisco (SFO) – 14% of one-stop connections
• Abu Dhabi Zayed Intl (AUH) – 10% of one-stop connections
Can I save money by using flexible dates for flights from Washington, D.C. to Singapore?
Yes. Flexible dates can save you up to 30% on flights from Washington, D.C. to Singapore. Monday is the cheapest departure day at S$ 1,518 return on average, while Friday is the most expensive at S$ 2,156, a difference of S$ 639.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different stopover airport from Washington, D.C. to Singapore?
Flying via Dubai Intl (DXB) gives the shortest average 1-stop total travel time of 23h 13m, compared to 23h 45m via Taipei City Taiwan Taoyuan Intl (TPE) and 24h 21m via San Francisco (SFO).
What is the time difference between Washington, D.C. and Singapore?
Singapore is 12 hours ahead of Washington, D.C. (Singapore Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Singapore?
Some of the most popular sights in Singapore are Sentosa, North Bridge Road, and Marina Square. These are among the most viewed places in Singapore on KAYAK.

If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average S$ 1,518, which is about S$ 639 less than Friday fares (30% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 27% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Washington, D.C. to Singapore trip for February. Fares historically average S$ 1,241 return in that month – typically S$ 1,209 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Singapore Changi Airport.

• Crowne Plaza Changi Airport by IHG
• Changi Transit Hotel Terminal 1
• The Haven by Jetquay

More options for your flight from Washington, D.C. to Singapore

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Complete your trip to Singapore with a hotel stay or car hire

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WAS - SIN

S$ 601 Find Cheap Flights from Washington, D.C. to Singapore – Compare and Save

Everything you should know

Cheap Flights from Washington, D.C. to Singapore (WAS-SIN)

Recent return flight deals from Washington, D.C. to Singapore

Recent one-way flight deals from Washington, D.C. to Singapore

Recent last minute flight deals from Washington, D.C. to Singapore

Price, demand, and travel trends for Washington, D.C. to Singapore flights

What is the cheapest Washington, D.C. to Singapore flight route?

What's the cheapest day of the week to fly from Washington, D.C. to Singapore?

What is the cheapest month to fly from Washington, D.C. to Singapore?

When are flights from Washington, D.C. to Singapore the cheapest?

Which airline is the cheapest to fly from Washington, D.C. to Singapore?

What is the most popular stopover airport when flying from Washington, D.C. to Singapore?

What is the cheapest stopover airport when flying from Washington, D.C. to Singapore?

When flying from Washington, D.C. to Singapore, which airport offers the shortest stopover?

Key details for Washington, D.C. to Singapore flights

Low season

High season

Cheapest flight

When to book flights from Washington, D.C. to Singapore

Your Washington, D.C. to Singapore flight questions, answered

Your guide to booking Washington, D.C. to Singapore flights

More options for your flight from Washington, D.C. to Singapore

Complete your trip to Singapore with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Washington, D.C. to Singapore

Flights from domestic origins to Singapore

Flights to other popular destinations

Find deals for your return flight