$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 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 for flights 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 for flights to Washington, D.C., as well as popular online travel agencies
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Cheap Flights from Singapore to Washington, D.C.

 
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
Find Deal
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
Find Deal
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
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
$1,034Turkish Airlines
Find Deal
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KAYAK's insights & trends for flights to Washington, D.C.

Get data-powered insights and trends for flights to Washington, D.C. to help you find the cheapest flights, the best time to fly and much more.

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

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

How far in advance should I book a flight 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 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, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 19 weeks before departure.

Which is the cheapest airport to fly into in Washington, D.C.?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Washington, D.C. is Baltimore/Washington Airport (BWI), with an average flight price of $187.


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

FAQs - booking Washington, D.C. flights

  • Which Washington, D.C. airport is closest to central Washington, D.C.?

    There are 2 major airports in Washington, D.C.. The nearest airport from Washington, D.C. city center is Reagan Washington National Airport (4 miles), followed by Washington Dulles Airport (22 miles).

  • What is the cheapest day to fly to Washington, D.C.?

    Based on KAYAK data, the cheapest day to fly to Washington, D.C. is Saturday where round-trip tickets can be as cheap as $704. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $1,492 on average.

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

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket 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. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights 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 with another airline.

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

  • What is the cheapest time of day to fly to Washington, D.C.?

    The cheapest time of day to fly to Washington, D.C. is generally in the evening, when round-trip flights cost $1,059 on average. The most expensive time of day to fly to Washington, D.C. is generally at night, which is peak travel time and where the average cost of a ticket is $1,410.

  • How many direct flights to Washington, D.C. are there each week?

    Each week there are around 7,575 direct flights from within Singapore to Washington, D.C.. The most common day for departures is Friday, with 15% of flights taking off on this day.

Top tips for finding cheap flights to Washington, D.C.

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Washington, D.C. flight deals.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Clinton

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

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

Cabin classes available on flights to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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