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Cheap flights from Singapore to Washington, D.C. from $550

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 10/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
11:05 am - 10:05 am
SIN
-
IAD
35h 00m
1 stop
ANA Logo
8:35 am - 11:20 pm
IAD
-
SIN
26h 45m
2 stops
$929ANA
Tue, Sep 1 - Wed, Sep 30
ANA Logo
10:00 pm - 10:05 am
SIN
-
IAD
24h 05m
1 stop
ANA Logo
8:35 am - 11:20 pm
IAD
-
SIN
26h 45m
2 stops
$930ANA
Tue, Sep 1 - Wed, Sep 30
ANA Logo
10:00 pm - 10:05 am
SIN
-
IAD
24h 05m
1 stop
ANA Logo
3:40 pm - 11:20 pm
IAD
-
SIN
43h 40m
2 stops
$969ANA
Fri, Sep 4 - Sat, Sep 12
Air China Logo
11:25 pm - 7:30 pm
SIN
-
IAD
32h 05m
1 stop
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$1,055Air China
Mon, Jun 8 - Fri, Jun 12
Air China Logo
9:00 am - 7:30 pm
SIN
-
IAD
22h 30m
1 stop
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$1,120Air China
Fri, Jun 26 - Tue, Jun 30
American Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
American Airlines Logo
7:30 am - 12:20 am
DCA
-
SIN
28h 50m
2 stops
$1,171American Airlines
Mon, Aug 31 - Wed, Sep 30
American Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
American Airlines Logo
7:30 am - 12:20 am
DCA
-
SIN
28h 50m
2 stops
$1,172American Airlines
Mon, Aug 31 - Wed, Sep 30
Japan Airlines Logo
9:50 pm - 3:59 pm
SIN
-
DCA
30h 09m
2 stops
Japan Airlines Logo
7:22 pm - 5:45 pm
DCA
-
SIN
34h 23m
2 stops
$1,178Japan Airlines
Tue, Sep 1 - Wed, Sep 30
Japan Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
Japan Airlines Logo
6:30 am - 5:45 pm
DCA
-
SIN
47h 15m
2 stops
$1,190Japan Airlines
Sat, Jul 11 - Sat, Jul 18
United Airlines Logo
8:35 pm - 7:13 am
SIN
-
BWI
22h 38m
1 stop
United Airlines Logo
6:52 pm - 6:15 am
BWI
-
SIN
23h 23m
1 stop
$1,393United Airlines
Tue, Sep 1 - Wed, Sep 30

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

Our best Air China deals on Singapore to Washington, D.C. flight tickets
Air China
Jun 26
SIN9:00 amSingapore Changi
22h 30m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Jun 30
IAD11:00 pmWashington, D.C. Dulles Intl
29h 25m
1 stop
SIN4:25 pmSingapore Changi
$1,120
Air China
Jun 8
SIN11:25 pmSingapore Changi
32h 05m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Jun 12
IAD11:00 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
SIN9:55 pmSingapore Changi
$1,183
Air China
Jul 6
SIN11:25 pmSingapore Changi
32h 05m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Oct 13
IAD11:00 pmWashington, D.C. Dulles Intl
43h 50m
1 stop
SIN6:50 amSingapore Changi
$1,254

Turkish Airlines flights from Singapore to Washington, D.C.

Our best Turkish Airlines deals on Singapore to Washington, D.C. flight tickets
Turkish Airlines
Sep 1
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Sep 30
IAD9:45 pmWashington, D.C. Dulles Intl
23h 00m
1 stop
SIN8:45 amSingapore Changi
$1,398
Turkish Airlines
Sep 1
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Sep 30
IAD1:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN8:45 amSingapore Changi
$1,402
Turkish Airlines
Sep 1
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Sep 30
IAD1:20 pmWashington, D.C. Dulles Intl
40h 35m
1 stop
SIN5:55 pmSingapore Changi
$1,406

momondo Fare Finder

 
Customize your flight search to find flights from Singapore to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from Singapore to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9/1

11:05 am-10:05 am

1 stop35h 00m

Washington, D.C. Dulles Intl

Wed 9/30

8:35 am-11:20 pm

2 stops26h 45m

$929

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9/1

10:00 pm-10:05 am

1 stop24h 05m

Washington, D.C. Dulles Intl

Wed 9/30

8:35 am-11:20 pm

2 stops26h 45m

$930

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 9/4

10:00 pm-10:05 am

1 stop24h 05m

Washington, D.C. Dulles Intl

Sat 9/12

3:40 pm-11:20 pm

2 stops43h 40m

$969

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 6/8

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Fri 6/12

11:00 pm-4:25 pm

1 stop29h 25m

$1,055

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 6/26

9:00 am-7:30 pm

1 stop22h 30m

Washington, D.C. Dulles Intl

Tue 6/30

11:00 pm-4:25 pm

1 stop29h 25m

$1,120

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 8/31

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Wed 9/30

7:30 am-12:20 am

2 stops28h 50m

$1,171

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 8/31

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Wed 9/30

7:30 am-12:20 am

2 stops28h 50m

$1,172

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 9/1

9:50 pm-3:59 pm

2 stops30h 09m

Washington, D.C. Reagan-National

Wed 9/30

7:22 pm-5:45 pm

2 stops34h 23m

$1,178

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sat 7/11

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Sat 7/18

6:30 am-5:45 pm

2 stops47h 15m

$1,190
Quickest round-trip

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 9/1

8:35 pm-7:13 am

1 stop22h 38m

Baltimore/Washington

Wed 9/30

6:52 pm-6:15 am

1 stop23h 23m

$1,393

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 February is, on average, the cheapest month to fly to Washington, D.C. from Singapore, with most prices found around $760. If you’re not able to fly to Washington, D.C. in February, then October is your next best option. Flight prices from Singapore to Washington, D.C. during October average around $777.

Can stopping save me money on Singapore to Washington, D.C. flights?

You could potentially save up to 29% on your flight if you consider stops on a Singapore to Washington, D.C. flight.

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

As of May 2026, prices for Singapore to Washington, D.C. flights are approximately 33% more expensive 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.

Fastest flight time

23h 40m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 23h 40m
There are no direct flights from Singapore to Washington, D.C.. There are no popular flight routes from Singapore to Washington, D.C..
Search flight deals

Frequently asked questions about flying from Singapore to Washington, D.C.

  • 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 23h 40m.

  • 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.

  • What is the most popular airline from Singapore to Washington, D.C.?

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
Air ChinaPriceFrom $1,079Free CancellationRating
7.3
149 reviews
Search Air China 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
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Gaithersburg
Colonial Beach
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

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.

An easier way to manage your Washington, D.C. trip

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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport