Question 1

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

Accepted Answer

In the last 3 days, the lowest price for a flight from Washington, D.C. to Singapore was S$ 607 for a one-way ticket and S$ 1,299 for a return. <a href='/flight-routes/Washington-WAS/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

When flying from Washington, D.C. to Singapore, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to Washington, D.C., you’ll find the best rates on Fridays and the most expensive ones on Tuesdays. Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

When flying from Washington, D.C. to Singapore, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to Washington, D.C., you’ll find the best rates on Fridays and the most expensive ones on Tuesdays. Visit our flight page for the latest deals!>/a>

Question 4

Which airports will I be using when flying from Washington, D.C. to Singapore?

Accepted Answer

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Singapore. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Singapore Changi. <a href='/flight-routes/Washington-WAS/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines fly direct between Washington, D.C. and Singapore?

Accepted Answer

There are 2 airlines that fly direct from Washington, D.C. to Singapore. They are JetBlue and Qatar Airways. The cheapest airline for this route is Qatar Airways, with the best return deal found costing S$ 1,369. On average, the best prices for this route can be found at Qatar Airways.

Question 6

Which airlines fly direct between Washington, D.C. and Singapore?

Accepted Answer

There are 2 airlines that fly direct from Washington, D.C. to Singapore. They are JetBlue and Qatar Airways. The cheapest airline for this route is Qatar Airways, with the best return deal found costing S$ 1,369. On average, the best prices for this route can be found at Qatar Airways.

Question 7

Which aircraft models fly most regularly from Washington, D.C. to Singapore?

Accepted Answer

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

Question 8

Which airline alliances offer flights from Washington, D.C. to Singapore?

Accepted Answer

oneworld is the only airline alliance operating flights between Washington, D.C. and Singapore.

Question 9

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

Accepted Answer

The cheapest month for flights from Washington, D.C. to Singapore is August, where tickets cost S$ 945 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is S$ 2,561 and S$ 1,836 respectively.

Question 10

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

Accepted Answer

The cheapest month for flights from Washington, D.C. to Singapore is August, where tickets cost S$ 945 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is S$ 2,561 and S$ 1,836 respectively.

Question 11

How does KAYAK find such low prices on flights from Washington, D.C. to Singapore?

Accepted Answer

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, D.C. to Singapore. <a href='/flight-routes/Washington-WAS/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 12

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Singapore?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Washington-WAS/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 13

What is the Hacker Fare option on flights from Washington, D.C. to Singapore?

Accepted Answer

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, D.C. with another airline. <a href='/flight-routes/Washington-WAS/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 14

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Singapore?

Accepted Answer

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, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Washington-WAS/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 15

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

Accepted Answer

Flights via Abu Dhabi (AUH) offer the most affordable fares, with an average price of S$ 901 for a return.

Question 16

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

Accepted Answer

Doha (DOH) is the top choice – 72% of KAYAK users who clicked on one-stop flights from Washington, D.C. to Singapore picked an itinerary connecting there.

Question 17

Which stopover airport has the quickest connection when flying from Washington, D.C. to Singapore?

Accepted Answer

If you prefer a quick connection, San Francisco (SFO) often has the shortest stopovers from Washington, D.C. to Singapore, with an average time of 1h 18m.

Question 18

Which stopover airport offers the shortest total travel time from Washington, D.C. to Singapore?

Accepted Answer

Consider flying via New Delhi (DEL) for the shortest journey. The average one-way travel time for flights connecting there is 22h 45m.

Question 19

Which airlines provide the cheapest flights from Washington, D.C. to Singapore?

Accepted Answer

In the past 3 days, the cheapest return tickets from Washington, D.C. to Singapore were found on United Airlines (S$ 1,530) and Delta (S$ 1,534).

Question 20

Which airlines provide the cheapest flights from Washington, D.C. to Singapore?

Accepted Answer

In the past 3 days, the cheapest return tickets from Washington, D.C. to Singapore were found on United Airlines (S$ 1,530) and Delta (S$ 1,534).

Question 21

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Question 22

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Question 23

What are the most popular airlines flying to Changi?

Accepted Answer

The most popular airline among KAYAK users flying to Changi is JetBlue, followed by Qatar Airways.

Low season	November
High season	December
Cheapest flight	S$ 545

WAS - SIN

S$ 607 Find Cheap Flights from Washington, D.C. to Singapore

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Everything you should know

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

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KAYAK's insights & trends for Washington, D.C. to Singapore flights

Get data-powered insights and trends into flights from Washington, D.C. 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, D.C. to Singapore?

When flying from Washington, D.C. to Singapore, you should consider leaving on a Tuesday and avoid Fridays if you are looking for the best rates. For your return to Washington, D.C., you’ll find the best rates on Fridays and the most expensive ones on Tuesdays.

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

The cheapest month for flights from Washington, D.C. to Singapore is August, where tickets cost S$ 945 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is S$ 2,561 and S$ 1,836 respectively.

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

To get a below average price on the flight from Washington, D.C. to Singapore, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Which airlines provide the cheapest flights from Washington, D.C. to Singapore?

In the past 3 days, the cheapest return tickets from Washington, D.C. to Singapore were found on United Airlines (S$ 1,530) and Delta (S$ 1,534).

Which airlines fly direct between Washington, D.C. and Singapore?

There are 2 airlines that fly direct from Washington, D.C. to Singapore. They are JetBlue and Qatar Airways. The cheapest airline for this route is Qatar Airways, with the best return deal found costing S$ 1,369. On average, the best prices for this route can be found at Qatar Airways.

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

Doha (DOH) is the top choice – 72% of KAYAK users who clicked on one-stop flights from Washington, D.C. to Singapore picked an itinerary connecting there.

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

Flights via Abu Dhabi (AUH) offer the most affordable fares, with an average price of S$ 901 for a return.

Which stopover airport offers the shortest total travel time from Washington, D.C. to Singapore?

Consider flying via New Delhi (DEL) for the shortest journey. The average one-way travel time for flights connecting there is 22h 45m.

Which stopover airport has the quickest connection when flying from Washington, D.C. to Singapore?

If you prefer a quick connection, San Francisco (SFO) often has the shortest stopovers from Washington, D.C. to Singapore, with an average time of 1h 18m.

Good to know

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

FAQs for booking flights from Washington, D.C. to Singapore

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

In the last 3 days, the lowest price for a flight from Washington, D.C. to Singapore was S$ 607 for a one-way ticket and S$ 1,299 for a return.

Which airports will I be using when flying from Washington, D.C. to Singapore?

Washington, D.C. is served by 2 major airports and there is only 1 main airport in Singapore. You will leave Washington, D.C. from one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be arriving at Singapore Changi.

Which aircraft models fly most regularly from Washington, D.C. to Singapore?

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

Which airline alliances offer flights from Washington, D.C. to Singapore?

oneworld is the only airline alliance operating flights between Washington, D.C. and Singapore.

How does KAYAK find such low prices on flights from Washington, D.C. 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, D.C. to Singapore.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Singapore?

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

What is the Hacker Fare option on flights from Washington, D.C. 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, D.C. with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. 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, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Washington, D.C. to Singapore

Information on your arrival and departure airports

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

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

Flights to other popular destinations

Flights from domestic origins to Singapore

Choose which airport to fly into in Singapore

Find deals for your return flight