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$ 655 for a one-way ticket and S$ 1,538 for a return. <a href='/flight-routes/Washington-WAS/Singapore-Changi-SIN'>Visit our flight page for the latest deals!>/a>

Question 2

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 3

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 4

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 5

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 September, where tickets cost S$ 438 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is S$ 1,369 and S$ 1,128 respectively.

Question 6

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 September, where tickets cost S$ 438 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is S$ 1,369 and S$ 1,128 respectively.

Question 7

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 8

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 9

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 10

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 11

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$ 891 for a return.

Question 12

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

Accepted Answer

Doha (DOH) is the top choice – 66% of KAYAK users who clicked on one-stop flights from Washington, D.C. to Singapore picked an itinerary connecting there.

Question 13

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

Accepted Answer

If you prefer a quick connection, New Delhi (DEL) often has the shortest stopovers from Washington, D.C. to Singapore, with an average time of 2h 05m.

Question 14

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 15

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 Air Canada (S$ 1,538) and Qatar Airways (S$ 1,549).

Question 16

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 Air Canada (S$ 1,538) and Qatar Airways (S$ 1,549).

Question 17

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 2 weeks before departure, which saves you about 22% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Question 18

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 2 weeks before departure, which saves you about 22% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Question 19

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

Accepted Answer

Flight prices are below average for this route right now.Flights to Singapore from Washington, D.C. usually cost between S$ 2,021 and S$ 1,498 in September.
The lowest price found in the past 3 days was S$ 1,538 on Air Canada (28 Sept-8 Oct).

Question 20

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	February
High season	December
Cheapest flight	S$ 651

WAS - SIN

S$ 655 Find Cheap Flights from Washington, D.C. to Singapore

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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.

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

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 September, where tickets cost S$ 438 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is S$ 1,369 and S$ 1,128 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 2 weeks before departure, which saves you about 22% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 19 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 Air Canada (S$ 1,538) and Qatar Airways (S$ 1,549).

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

Doha (DOH) is the top choice – 66% 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$ 891 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, New Delhi (DEL) often has the shortest stopovers from Washington, D.C. to Singapore, with an average time of 2h 05m.

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$ 655 for a one-way ticket and S$ 1,538 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.

Reviews of the top airline flying from Washington, D.C. to Singapore

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

Information on your arrival and departure airports

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

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Choose which airport to fly into in Singapore

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