Cheap flights from Singapore to Washington, D.C. from $641

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 5/11. 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

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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
$928ANA
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
$929ANA
Tue, Sep 1 - Wed, Sep 30
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
$930ANA
Tue, Sep 1 - Wed, Sep 30
Multiple Airlines Logo
9:00 am - 7:30 pm
SIN
-
IAD
22h 30m
1 stop
Multiple Airlines Logo
8:05 pm - 8:45 am
IAD
-
SIN
23h 40m
1 stop
$1,131Multiple Airlines
Fri, Oct 23 - Tue, Feb 23
American Airlines Logo
8:05 am - 11:00 pm
SIN
-
DCA
26h 55m
2 stops
American Airlines Logo
3:21 pm - 6:35 am
DCA
-
SIN
26h 14m
2 stops
$1,173American Airlines
Fri, Oct 23 - Tue, Feb 23
American Airlines Logo
8:05 am - 10:19 pm
SIN
-
DCA
26h 14m
2 stops
American Airlines Logo
8:33 am - 12:20 am
DCA
-
SIN
27h 47m
2 stops
$1,180American Airlines
Wed, Jun 17 - Wed, Jun 24
Japan Airlines Logo
1:55 am - 3:52 pm
SIN
-
DCA
25h 57m
2 stops
Japan Airlines Logo
6:40 pm - 6:10 am
DCA
-
SIN
47h 30m
2 stops
$1,187Japan Airlines
Mon, May 18 - Mon, Jun 22
Japan Airlines Logo
1:55 am - 3:59 pm
SIN
-
DCA
50h 04m
2 stops
Japan Airlines Logo
6:00 am - 12:20 am
DCA
-
SIN
30h 20m
2 stops
$1,191Japan Airlines
Thu, Aug 20 - Fri, Aug 28
Multiple Airlines Logo
3:20 pm - 7:28 am
SIN
-
IAD
28h 08m
2 stops
Multiple Airlines Logo
5:38 pm - 12:05 pm
IAD
-
SIN
29h 27m
2 stops
$1,202Multiple Airlines
Fri, Oct 23 - Tue, Feb 23
United Airlines Logo
8:35 pm - 11:45 am
SIN
-
BWI
27h 10m
2 stops
United Airlines Logo
6:52 pm - 6:35 pm
BWI
-
SIN
35h 43m
1 stop
$1,323United Airlines
Tue, Sep 1 - Wed, Sep 30

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

Our best STARLUX Airlines deals on Singapore to Washington, D.C. flight tickets
STARLUX Airlines
Sep 1
SIN2:10 pmSingapore Changi
27h 30m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
Sep 30
IAD5:54 pmWashington, D.C. Dulles Intl
30h 46m
2 stops
SIN12:40 pmSingapore Changi
$1,266
STARLUX Airlines
May 23
SIN2:10 pmSingapore Changi
29h 24m
2 stops
IAD7:34 amWashington, D.C. Dulles Intl
May 30
IAD5:38 pmWashington, D.C. Dulles Intl
31h 02m
2 stops
SIN12:40 pmSingapore Changi
$1,285

ANA flights from Singapore to Washington, D.C.

Our best ANA deals on Singapore to Washington, D.C. flight tickets
ANA
Sep 1
SIN11:05 amSingapore Changi
35h 00m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Sep 30
IAD8:35 amWashington, D.C. Dulles Intl
26h 45m
2 stops
SIN11:20 pmSingapore Changi
$928
ANA
Sep 1
SIN10:00 pmSingapore Changi
24h 05m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Sep 30
IAD8:35 amWashington, D.C. Dulles Intl
26h 45m
2 stops
SIN11:20 pmSingapore Changi
$929
ANA
Sep 1
SIN11:05 amSingapore Changi
35h 00m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Sep 30
IAD8:35 amWashington, D.C. Dulles Intl
26h 45m
2 stops
SIN11:20 pmSingapore Changi
$930

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 April 29, 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

$928

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

$929

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

$930
Quickest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 10/23

9:00 am-7:30 pm

1 stop22h 30m

Washington, D.C. Dulles Intl

Tue 2/23

8:05 pm-8:45 am

1 stop23h 40m

$1,131

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 10/23

8:05 am-11:00 pm

2 stops26h 55m

Washington, D.C. Reagan-National

Tue 2/23

3:21 pm-6:35 am

2 stops26h 14m

$1,173

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 6/17

8:05 am-10:19 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Wed 6/24

8:33 am-12:20 am

2 stops27h 47m

$1,180

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 5/18

1:55 am-3:52 pm

2 stops25h 57m

Washington, D.C. Reagan-National

Mon 6/22

6:40 pm-6:10 am

2 stops47h 30m

$1,187

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 8/20

1:55 am-3:59 pm

2 stops50h 04m

Washington, D.C. Reagan-National

Fri 8/28

6:00 am-12:20 am

2 stops30h 20m

$1,191

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 10/23

3:20 pm-7:28 am

2 stops28h 08m

Washington, D.C. Dulles Intl

Tue 2/23

5:38 pm-12:05 pm

2 stops29h 27m

$1,202

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 9/1

8:35 pm-11:45 am

2 stops27h 10m

Baltimore/Washington

Wed 9/30

6:52 pm-6:35 pm

1 stop35h 43m

$1,323

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 27% 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 April 2026, prices for Singapore to Washington, D.C. flights are approximately 41% 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

22h 30m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 22h 30m
There are no direct flights from Singapore to Washington, D.C.. There are no popular flight routes from Singapore to Washington, D.C..

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 22h 30m.

  • 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
148 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
Colonial Beach
Gaithersburg
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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1 adult
Fri 5/29
Fri 6/5

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.