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Cheap flights from Singapore to Washington, D.C. from $414

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington, D.C. departing on 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Singapore to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Singapore to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
Turkish Airlines Logo
9:40 pm - 8:45 amIAD-SIN
23h 05m1 stop
$987Turkish Airlines
Find Deal
Tue, Jun 10 - Tue, Jun 17
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
Turkish Airlines Logo
9:40 pm - 8:45 amIAD-SIN
23h 05m1 stop
$1,022Turkish Airlines
Find Deal
Sun, Jun 15 - Sun, Jun 22
Air Canada Logo
6:15 am - 9:53 pmSIN-DCA
27h 38m2 stops
Air Canada Logo
4:35 pm - 7:05 amDCA-SIN
50h 30m2 stops
$1,027Air Canada
Find Deal
Wed, May 14 - Sat, May 17
 Logo
1:45 pm - 6:50 amSIN-IAD
29h 05m2 stops
 Logo
6:09 pm - 12:35 pmIAD-SIN
30h 26m2 stops
$1,043
Find Deal
Fri, Jun 20 - Tue, Sep 9
Air India Logo
11:00 pm - 7:40 amSIN-IAD
44h 40m1 stop
Air India Logo
11:00 am - 9:45 pmIAD-SIN
22h 45m1 stop
$1,044Air India
Find Deal
Fri, Jun 20 - Wed, Sep 3
Air Canada Logo
9:10 am - 9:00 pmSIN-IAD
47h 50m2 stops
Air Canada Logo
5:22 pm - 7:05 amIAD-SIN
49h 43m2 stops
$1,051Air Canada
Find Deal
Sun, Oct 5 - Sat, Oct 18
 Logo
2:30 am - 3:45 pmSIN-IAD
25h 15m1 stop
 Logo
1:30 pm - 5:45 pmIAD-SIN
40h 15m2 stops
$1,061
Find Deal
Mon, Jun 30 - Thu, Jul 17
Air India Logo
8:30 pm - 7:40 amSIN-IAD
23h 10m1 stop
Air India Logo
11:00 am - 9:45 pmIAD-SIN
22h 45m1 stop
$1,066Air India
Find Deal
Mon, Jun 16 - Fri, Jun 20
Air China Logo
3:30 am - 7:30 pmSIN-IAD
28h 00m2 stops
Air China Logo
11:00 pm - 9:55 pmIAD-SIN
34h 55m1 stop
$1,199Air China
Find Deal
Thu, Jun 19 - Tue, Sep 9
Air China Logo
3:30 am - 7:30 pmSIN-IAD
28h 00m2 stops
Air China Logo
11:00 pm - 2:30 amIAD-SIN
39h 30m3 stops
$1,246Air China
Find Deal
Thu, Jun 19 - Tue, Sep 9

Air Canada flights from Singapore to Washington, D.C.

Our best Air Canada deals on Singapore to Washington, D.C. flight tickets
Air Canada
May 14
SIN6:15 amSingapore Changi
27h 38m
2 stops
DCA9:53 pmWashington, D.C. Reagan-National
May 17
DCA4:35 pmWashington, D.C. Reagan-National
50h 30m
2 stops
SIN7:05 amSingapore Changi
Air Canada
Oct 5
SIN9:10 amSingapore Changi
47h 50m
2 stops
IAD9:00 pmWashington, D.C. Dulles Intl
Oct 18
IAD5:22 pmWashington, D.C. Dulles Intl
49h 43m
2 stops
SIN7:05 amSingapore Changi
Air Canada
Oct 5
SIN9:10 amSingapore Changi
36h 28m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
Oct 19
IAD1:00 pmWashington, D.C. Dulles Intl
30h 05m
2 stops
SIN7:05 amSingapore Changi

Air India flights from Singapore to Washington, D.C.

Our best Air India deals on Singapore to Washington, D.C. flight tickets
Air India
Jun 20
SIN11:00 pmSingapore Changi
44h 40m
1 stop
IAD7:40 amWashington, D.C. Dulles Intl
Sep 3
IAD11:00 amWashington, D.C. Dulles Intl
22h 45m
1 stop
SIN9:45 pmSingapore Changi
Air India
Jun 16
SIN8:30 pmSingapore Changi
23h 10m
1 stop
IAD7:40 amWashington, D.C. Dulles Intl
Jun 20
IAD11:00 amWashington, D.C. Dulles Intl
22h 45m
1 stop
SIN9:45 pmSingapore Changi
Air India
May 14
SIN11:00 pmSingapore Changi
44h 40m
1 stop
IAD7:40 amWashington, D.C. Dulles Intl
May 17
IAD11:00 amWashington, D.C. Dulles Intl
32h 30m
1 stop
SIN7:30 amSingapore Changi

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Singapore to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Singapore and Washington, D.C.?

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

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Singapore, with most prices found around $1,064. If you’re not able to fly to Washington, D.C. in August, then January is your next best option. Flight prices from Singapore to Washington, D.C. during January average around $1,119.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Singapore is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,114. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to Washington, D.C. for around $1,472.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Singapore to Washington, D.C. when you can find flight prices for as low as $1,059. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $1,410. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from Singapore when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,314 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Singapore for as low as $1,122 on momondo.

How have Singapore to Washington, D.C. flight prices changed over time?

As of May 2025, prices for Singapore to Washington, D.C. flights are approximately 14% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Singapore to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Singapore to Washington, D.C. (SIN to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Washington, D.C.

Best Price Found

$414

Fastest flight time

22h 05m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Singapore in the past 72 hours is $414. The best round-trip flight deal from Singapore to Washington, D.C. found on momondo in the last 72 hours is $987.
The fastest flight from Singapore to Washington, D.C. takes 22h 05m
There are no direct flights from Singapore to Washington, D.C.. Popular non-direct routes for this connection are Singapore Changi Airport - Washington, D.C. Reagan-National Airport, Singapore Changi Airport - Baltimore/Washington Airport and Singapore Changi Airport - Washington, D.C. Dulles Intl Airport.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

  • How far is Singapore Changi to Washington, D.C. by plane?

    There are 9651.2 mi between Singapore Changi and Washington, D.C.. In terms of flight time, this usually takes a little over 22h 05m.

  • When did momondo last update prices for flights from Singapore Changi Airport to Washington, D.C.?

    Prices for flights from Singapore Changi Airport to Washington, D.C. are updated daily.

  • How many operators does momondo search for flights from Singapore Changi Airport to Washington, D.C.?

  • How old do you have to be to fly from Singapore Changi Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


Best airlines flying from Singapore to Washington, D.C.

Compare and see reviews for airlines that fly from Singapore to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $1,333Free CancellationRating
7.4
3,563 reviews
Search Qatar Airways flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Arlington
Gettysburg
National Harbor
Laurel
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Gaithersburg
Towson
Rockville
Glen Burnie
Fairfax
Linthicum Heights
Reston
Hyattsville
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to Washington, D.C.?

Finding the right flight to Washington, D.C. from Singapore is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Singapore to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Singapore with this policy.

How can momondo help me find flights from Singapore to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Singapore to Washington, D.C..

I’m not ready to book a flight from Singapore to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Singapore to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.


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1 adult
Tue 5/6
Tue 5/13

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.