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IAD - SIN

Find cheap flights from Washington Dulles Airport to Singapore from S$ 578

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Singapore departing on 10-9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
Sun 16-6
Sun 23-6

Search hundreds of travel sites at once for deals on flights to Singapore

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Singapore, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Singapore, as well as popular online travel agencies
In the last 7 days, travellers have searched 42,211,976 times on KAYAK, and here's why:

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Cheap flight deals from Dulles Intl to Singapore (IAD-SIN)

 
These are the cheapest deals for flights from Dulles Intl to Singapore currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Dulles Intl to Singapore

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Dulles Intl to Singapore.

Recent one-way flight deals from Dulles Intl to Singapore

Only flying one-way? Below are some of the best one-way flight deals from Dulles Intl to Singapore found on KAYAK recently.

Recent last-minute flight deals from Dulles Intl to Singapore

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Dulles Intl to Singapore.

Recent direct flight deals from Dulles Intl to Singapore

The latest deals for direct flights from Dulles Intl to Singapore so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Dulles Intl to Singapore

Find recent round-trip train or bus tickets from Dulles Intl to Singapore.

All round-trip flight deals to Singapore

The cheapest plane tickets to Singapore found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
21:50 - 17:55IAD-SIN
32h 05m1 stop
23:25 - 14:45SIN-IAD
27h 20m1 stop
S$ 1,152Turkish Airlines
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Sat, 31 Aug - Sat, 14 Sep
19:10 - 15:45IAD-SIN
32h 35m1 stop
17:15 - 15:45SIN-IAD
34h 30m1 stop
S$ 1,238SAUDIA
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Sat, 31 Aug - Sat, 14 Sep
19:10 - 15:45IAD-SIN
32h 35m1 stop
17:15 - 15:45SIN-IAD
34h 30m1 stop
S$ 1,275SAUDIA
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Sat, 31 Aug - Sat, 14 Sep
13:40 - 05:00IAD-SIN
27h 20m1 stop
10:50 - 11:15SIN-IAD
36h 25m1 stop
S$ 1,345Korean Air
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Thu, 29 Aug - Tue, 3 Sep
06:00 - 23:40IAD-SIN
29h 40m2 stops
10:50 - 11:15SIN-IAD
36h 25m1 stop
S$ 1,353Korean Air
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Thu, 29 Aug - Tue, 3 Sep
13:25 - 23:40IAD-SIN
22h 15m1 stop
22:30 - 13:58SIN-IAD
27h 28m2 stops
S$ 1,365Delta
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Tue, 10 Sep - Mon, 23 Sep
06:00 - 05:00IAD-SIN
35h 00m2 stops
01:30 - 19:23SIN-IAD
30h 53m2 stops
S$ 1,370Delta
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Thu, 24 Oct - Sun, 24 Nov
07:19 - 00:20IAD-SIN
29h 01m2 stops
01:50 - 16:31SIN-IAD
26h 41m2 stops
S$ 1,501American Airlines
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Tue, 24 Sep - Mon, 7 Oct
11:15 - 18:05IAD-SIN
42h 50m2 stops
08:35 - 07:15SIN-IAD
34h 40m1 stop
S$ 1,509Air India
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Wed, 11 Sep - Tue, 1 Oct
17:29 - 09:00IAD-SIN
51h 31m2 stops
10:30 - 22:41SIN-IAD
48h 11m2 stops
S$ 1,757American Airlines
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Sat, 7 Sep - Sat, 21 Sep
19:10 - 18:55IAD-SIN
35h 45m3 stops
S$ 578
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Tue, 10 Sep
19:10 - 03:40IAD-SIN
44h 30m3 stops
S$ 633
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Tue, 13 Aug
19:10 - 17:20IAD-SIN
34h 10m2 stops
S$ 651
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Tue, 13 Aug
19:10 - 15:45IAD-SIN
32h 35m1 stop
S$ 703SAUDIA
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Sat, 7 Sep
07:10 - 05:00IAD-SIN
33h 50m2 stops
S$ 748Korean Air
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Wed, 9 Oct
13:25 - 23:40IAD-SIN
22h 15m1 stop
S$ 776Korean Air
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Tue, 10 Sep
21:50 - 08:45IAD-SIN
22h 55m1 stop
S$ 787Turkish Airlines
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Tue, 13 Aug
07:00 - 00:20IAD-SIN
29h 20m2 stops
S$ 792Japan Airlines
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Tue, 10 Sep
07:00 - 00:20IAD-SIN
29h 20m2 stops
S$ 816Japan Airlines
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Wed, 11 Sep
16:40 - 08:45IAD-SIN
28h 05m1 stop
S$ 838Turkish Airlines
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Fri, 23 Aug
21:05 - 09:00IAD-SIN
23h 55m1 stop
18:45 - 16:10SIN-IAD
33h 25m1 stop
S$ 1,946Qatar Airways
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Sun, 19 May - Sun, 26 May
21:50 - 17:55IAD-SIN
32h 05m1 stop
23:25 - 14:45SIN-IAD
27h 20m1 stop
S$ 2,010Turkish Airlines
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Mon, 20 May - Mon, 27 May
21:05 - 18:15IAD-SIN
33h 10m2 stops
02:15 - 16:10SIN-IAD
25h 55m1 stop
S$ 2,020Qatar Airways
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Sun, 19 May - Sat, 25 May
11:15 - 21:45IAD-SIN
22h 30m1 stop
08:35 - 07:15SIN-IAD
34h 40m1 stop
S$ 2,324Air India
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Sun, 19 May - Mon, 3 Jun
18:00 - 15:45IAD-SIN
33h 45m3 stops
18:15 - 16:10SIN-IAD
33h 55m2 stops
S$ 2,470
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Sat, 18 May - Sun, 26 May
21:05 - 11:30IAD-SIN
26h 25m2 stops
21:15 - 16:10SIN-IAD
30h 55m2 stops
S$ 2,477
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Sat, 18 May - Sun, 26 May
17:58 - 23:40IAD-SIN
41h 42m2 stops
01:10 - 06:25SIN-IAD
41h 15m2 stops
S$ 2,634Delta
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Sat, 18 May - Sat, 25 May
17:15 - 18:45IAD-SIN
37h 30m3 stops
21:00 - 16:12SIN-IAD
31h 12m2 stops
S$ 2,810United Airlines
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Mon, 20 May - Mon, 27 May
12:46 - 06:45IAD-SIN
29h 59m2 stops
08:45 - 21:22SIN-IAD
24h 37m2 stops
S$ 2,876United Airlines
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Sun, 19 May - Mon, 3 Jun
13:25 - 05:00IAD-SIN
27h 35m1 stop
01:10 - 11:15SIN-IAD
22h 05m1 stop
S$ 16,732Delta
Find Deal
Sun, 19 May - Sun, 2 Jun

Flights from Dulles Intl to Singapore - Travel Insights & Trends

Get data-powered insights and trends into flights from Dulles Intl to Singapore to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Washington Dulles Airport to Singapore?

The average price of all flights from Washington, D.C. Dulles Intl Airport to Singapore clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Singapore on a Wednesday and more expensive on a Thursday. On your return trip to Washington Dulles Airport, you should consider flying back on a Thursday, and avoid Fridays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. Dulles Intl Airport to Singapore, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Singapore is April, where tickets cost S$ 1,393 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is S$ 2,555 and S$ 2,325 respectively.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. Dulles Intl Airport to Singapore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Singapore, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 52 days before departure.

Which airlines provide the cheapest flights from Washington Dulles Airport to Singapore?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, SAUDIA offered the best one-way deal for that route, at S$ 703. KAYAK users also found Washington Dulles Airport to Singapore return flights on Turkish Airlines from S$ 1,152 and on SAUDIA from S$ 1,238.

Good to know

Low season

January

High season

June

Cheapest flight

S$ 578
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly (27% more expensive on average)
Flight from Washington Dulles Airport to Singapore

When to book flights from Dulles Intl to Singapore

Are your dates flexible? Find out the best times to travel from Dulles Intl 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.

FAQs for booking Washington Dulles Airport to Singapore flights

  • What flight options do I have from Washington Dulles Airport to Singapore?

    You will have at least one layover when flying from Washington Dulles Airport to Singapore. Singapore Airlines, United Airlines, Virgin Atlantic, and British Airways offer flights between the two destinations with a layover in London. Korean Air, Turkish Airlines, Emirates, and Qatar Airways offer connecting flights to Singapore through hub cities such as Seoul, Istanbul, Dubai, and Doha.

  • Which airline flying from Washington Dulles Airport to Singapore is ideal for families traveling with young kids?

    Korean Air offers priority boarding for families with young kids to settle in before other passengers. On long-haul flights, the airline provides baby bassinets for babies under a certain weight and height limit. In addition, Korean Air offers child-friendly meal options and extensive in-flight entertainment, such as movies for kids and TV shows.

  • Which airline is suitable for passengers traveling in a wheelchair?

    When flying with Turkish Airlines, you will be allowed to bring your wheelchair onboard, regardless of whether it is manual or battery-operated. Also, this airline offers wheelchairs on board for ease of moving around if you have limited mobility. Turkish Airlines ensure the comfort of passengers traveling in a wheelchair by assisting at the terminal, during boarding, inside the aircraft cabin, during layovers, and during deplaning.

  • Which airline is ideal to fly with from Washington Dulles Airport to Singapore?

    Virgin Atlantic offers top-notch services to its customers and will be the ideal airline for you to fly from Washington Dulles Airport to Singapore. This airline features comfortable seating, delicious meals, and a wide selection of entertainment options onboard. You are guaranteed a safe, comfortable, and enjoyable trip when you choose this airline.

  • What is the cheapest flight from Washington, D.C. Dulles Intl Airport to Singapore?

    In the last 3 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Singapore was S$ 430 for a one-way ticket and S$ 857 for a return.

  • Which aircraft models fly most regularly from Washington Dulles Airport to Singapore?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Washington Dulles Airport to Singapore?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Washington Dulles Airport and Singapore, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Washington Dulles Airport to Singapore?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington Dulles Airport to Singapore.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport to Singapore?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Washington Dulles Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington Dulles Airport to Singapore?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Singapore with an airline and back to Washington Dulles Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport to Singapore?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore from Washington Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Washington, D.C. Dulles Intl Airport to Singapore

  • Washington Dulles International Airport (IAD) is located approximately 26 miles from Downtown Washington, D.C. and will be the departure airport for your trip to Singapore. Convenient transportation options include taxis, Uber, and Lyft, as well as public transit via Metrorail or Metrobus, connecting downtown to the airport terminal operated by the Washington Metropolitan Area Transit Authority.
  • Hotels near Washington Dulles International Airport that offer complimentary airport shuttle services will be an ideal choice of accommodation if you have an early morning flight from Washington Dulles International Airport to Singapore. We recommend staying at hotels such as Holiday Inn Washington Dulles International Airport, Hyatt Regency Dulles, or Hilton Washington Dulles Airport.
  • Singapore Changi Airport (SIN) will be your arrival airport from Washington Dulles Airport. This airport is about 10 miles from the city center. Taxis are readily available outside the airport, a convenient way to get downtown. Alternatively, the east-west and downtown lines of the metro system offer convenient access to downtown areas like Bugis, Chinatown, and Marina Bay.
  • If you land late at night, booking accommodation at a hotel near Singapore Changi Airport will be ideal. Crowne Plaza Changi Airport, Aerotel Singapore, Village Hotel Changi, Ambassador Transit Hotel, and Capri by Fraser Changi City, Singapore are conveniently close to the airport, and offer complimentary airport shuttle services to guests.
  • Singapore Airlines is focused on achieving zero carbon emissions by 2050 and reducing waste. This airline takes part in programs and initiatives that help promote environmental sustainability by being an active Sustainable Aviation Fuel Users Group member since 2011, and participating in the ICAO Carbon Offsetting and Reduction Scheme for International Aviation.
See more tips

Book cheap flights from Washington, D.C. to Singapore

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Singapore found on KAYAK in the last 72 hours.
10-9Tue
3 stops
35h 45mIAD-SIN
S$ 578
13-8Tue
3 stops
44h 30mIAD-SIN
S$ 633
13-8Tue
2 stops
34h 10mIAD-SIN
S$ 651
7-9Sat
1 stopSAUDIA
32h 35mIAD-SIN
S$ 703
9-10Wed
2 stopsKorean Air
33h 50mIAD-SIN
S$ 748
10-9Tue
1 stopKorean Air
22h 15mIAD-SIN
S$ 776
13-8Tue
1 stopTurkish Airlines
22h 55mIAD-SIN
S$ 787
10-9Tue
2 stopsJapan Airlines
29h 20mIAD-SIN
S$ 792
11-9Wed
2 stopsJapan Airlines
29h 20mIAD-SIN
S$ 816
23-8Fri
1 stopTurkish Airlines
28h 05mIAD-SIN
S$ 838

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Last minute flights from Dulles Intl to Singapore

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Singapore that are departing in the next 10 days.
19-5Sun
multi-stopQatar Airways
23h 55mIAD-SIN
26-5Sun
multi-stopQatar Airways
33h 25mSIN-IAD
S$ 1,946
20-5Mon
multi-stopTurkish Airlines
32h 05mIAD-SIN
27-5Mon
multi-stopTurkish Airlines
27h 20mSIN-IAD
S$ 2,010
19-5Sun
multi-stopQatar Airways
33h 10mIAD-SIN
25-5Sat
multi-stopQatar Airways
25h 55mSIN-IAD
S$ 2,020
19-5Sun
multi-stopAir India
22h 30mIAD-SIN
3-6Mon
multi-stopAir India
34h 40mSIN-IAD
S$ 2,324
18-5Sat
multi-stop
33h 45mIAD-SIN
26-5Sun
multi-stop
33h 55mSIN-IAD
S$ 2,470
18-5Sat
multi-stop
26h 25mIAD-SIN
26-5Sun
multi-stop
30h 55mSIN-IAD
S$ 2,477
18-5Sat
multi-stopDelta
41h 42mIAD-SIN
25-5Sat
multi-stopDelta
41h 15mSIN-IAD
S$ 2,634
20-5Mon
multi-stopUnited Airlines
37h 30mIAD-SIN
27-5Mon
multi-stopUnited Airlines
31h 12mSIN-IAD
S$ 2,810
19-5Sun
multi-stopUnited Airlines
29h 59mIAD-SIN
3-6Mon
multi-stopUnited Airlines
24h 37mSIN-IAD
S$ 2,876
19-5Sun
multi-stopDelta
27h 35mIAD-SIN
2-6Sun
multi-stopDelta
22h 05mSIN-IAD
S$ 16,732

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Washington Dulles Airport - Singapore Flights

Departure:

Washington Dulles Airport (undefined)United States

Destination:

Singapore (SIN)Singapore

Return flight deals:

Singapore - Washington Dulles Airport

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