SIN - WAS

$450 Find Cheap Flights from Singapore to Washington, D.C.

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Singapore to Washington, D.C. departing on 11/20. 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
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Singapore to Washington, D.C., 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 Singapore to Washington, D.C., as well as popular online travel agencies
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Cheap Flights from Singapore to Washington, D.C. (SIN-WAS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Singapore to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Singapore to Washington, D.C.

Mon, Jul 14 - Mon, Jul 21
Japan Airlines Logo
9:50 pm - 4:21 pmSIN-DCA
30h 31m2 stops
Japan Airlines Logo
10:08 pm - 6:10 amDCA-SIN
44h 02m2 stops
$740Japan Airlines
Find Deal
Tue, Jul 22 - Wed, Aug 27
Japan Airlines Logo
1:55 am - 11:11 pmSIN-DCA
33h 16m2 stops
Japan Airlines Logo
10:09 pm - 6:10 amDCA-SIN
44h 01m2 stops
$857Japan Airlines
Find Deal
Wed, Jul 2 - Sat, Jul 5
United Airlines Logo
11:05 am - 3:45 pmSIN-IAD
40h 40m1 stop
United Airlines Logo
1:20 pm - 6:15 amIAD-SIN
28h 55m2 stops
$881United Airlines
Find Deal
Tue, Jul 1 - Sun, Jul 13
United Airlines Logo
11:05 am - 10:05 amSIN-IAD
35h 00m1 stop
United Airlines Logo
1:20 pm - 6:15 amIAD-SIN
28h 55m2 stops
$882United Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 19
Air Canada Logo
11:55 pm - 9:05 pmSIN-IAD
33h 10m2 stops
Air Canada Logo
5:37 pm - 12:45 amIAD-SIN
43h 08m2 stops
$944Air Canada
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Sun, Oct 5 - Sat, Oct 18
Air Canada Logo
11:55 pm - 9:05 pmSIN-IAD
33h 10m2 stops
Air Canada Logo
5:37 pm - 7:05 amIAD-SIN
49h 28m2 stops
$962Air Canada
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Wed, Jul 2 - Sat, Jul 5
IndiGo Logo
7:45 pm - 7:45 pmSIN-IAD
36h 00m2 stops
IndiGo Logo
9:40 pm - 5:45 pmIAD-SIN
32h 05m2 stops
$1,009IndiGo
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Wed, Aug 27 - Wed, Sep 3
IndiGo Logo
7:45 pm - 7:45 pmSIN-IAD
36h 00m2 stops
IndiGo Logo
9:40 pm - 5:20 pmIAD-SIN
31h 40m2 stops
$1,015IndiGo
Find Deal
Sun, Oct 5 - Sat, Oct 18
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
Turkish Airlines Logo
1:30 pm - 5:55 pmIAD-SIN
40h 25m1 stop
$1,029Turkish Airlines
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Sun, Oct 5 - Sat, Oct 18
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
Turkish Airlines Logo
1:30 pm - 5:55 pmIAD-SIN
40h 25m1 stop
$1,034Turkish Airlines
Find Deal
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KAYAK's insights & trends for Singapore to Washington, D.C. flights

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

The average price of all round-trip flights from Singapore to Washington, D.C. clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Washington, D.C. on a Saturday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Singapore to Washington, D.C.. For your return ticket, we recommend flying on a Friday and avoiding Saturdays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Singapore to Washington, D.C., 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 Singapore to Washington, D.C. is September, where tickets cost $1,093 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is $1,602 and $1,533 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Singapore to Washington, D.C., removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Singapore to Washington, D.C., you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Good to know

Low seasonAugust
High seasonOctober
Cheapest flight$450
Best time to beat the crowds but there is an average 26% increase in price.
Most popular time to fly and prices are also 7% lower on average.
Flight from Singapore to Washington Dulles Airport

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

Are your dates flexible? Find out the best times to travel from Singapore to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 flights from Singapore to Washington, D.C.

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

    In the last 3 days, the lowest price for a flight from Singapore to Washington, D.C. was $450 for a one-way ticket and $740 for a round-trip.

  • Do I need a passport to fly between Singapore and Washington, D.C.?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Singapore and on arrival in Washington, D.C..

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

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

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

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

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

    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 Singapore to Washington, D.C..

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Singapore 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 Singapore to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Singapore with another airline.

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

    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 Washington, D.C. from Singapore 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 Singapore to Washington, D.C.

Information on your arrival and departure airports

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