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Cheap flights from Singapore to Washington, D.C. from $448

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 1/22. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:15 am - 9:05 am
SIN
-
IAD
41h 50m2 stops
Multiple Airlines Logo
2:35 pm - 1:20 pm
IAD
-
SIN
33h 45m2 stops
$942Multiple Airlines
Sun, Feb 22 - Mon, Mar 2
Multiple Airlines Logo
2:25 pm - 5:46 pm
SIN
-
BWI
40h 21m2 stops
Multiple Airlines Logo
6:46 pm - 1:05 pm
BWI
-
SIN
29h 19m2 stops
$961Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
2:25 pm - 4:06 pm
SIN
-
DCA
38h 41m2 stops
Multiple Airlines Logo
5:00 pm - 1:05 pm
DCA
-
SIN
31h 05m2 stops
$961Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
2:25 pm - 5:46 pm
SIN
-
BWI
40h 21m2 stops
Multiple Airlines Logo
6:46 pm - 1:05 pm
BWI
-
SIN
29h 19m2 stops
$962Multiple Airlines
Tue, Feb 24 - Tue, Mar 3
Turkish Airlines Logo
10:15 am - 7:20 pm
SIN
-
IAD
46h 05m1 stop
Turkish Airlines Logo
1:30 pm - 8:35 am
IAD
-
SIN
30h 05m1 stop
$981Turkish Airlines
Tue, Feb 24 - Tue, Mar 3
Air China Logo
3:00 am - 7:30 pm
SIN
-
IAD
28h 30m2 stops
Air China Logo
11:00 pm - 9:55 pm
IAD
-
SIN
34h 55m1 stop
$982Air China
Mon, Mar 23 - Tue, Apr 7
Turkish Airlines Logo
11:40 am - 7:20 pm
SIN
-
IAD
44h 40m1 stop
Turkish Airlines Logo
1:30 pm - 10:00 am
IAD
-
SIN
31h 30m1 stop
$992Turkish Airlines
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
10:10 am - 9:39 pm
SIN
-
DCA
24h 29m1 stop
United Airlines Logo
2:00 pm - 8:00 am
DCA
-
SIN
29h 00m2 stops
$1,169United Airlines
Tue, Feb 24 - Tue, Mar 3
United Airlines Logo
10:10 am - 9:52 pm
SIN
-
DCA
24h 42m1 stop
United Airlines Logo
1:00 pm - 8:00 am
DCA
-
SIN
30h 00m2 stops
$1,210United Airlines
Sat, Jan 24 - Tue, Jan 27
Japan Airlines Logo
8:15 am - 9:59 pm
SIN
-
DCA
26h 44m2 stops
Japan Airlines Logo
5:30 pm - 6:35 am
DCA
-
SIN
48h 05m2 stops
$1,225Japan Airlines
Thu, Jan 22 - Mon, Jan 26

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

Our best Turkish Airlines deals on Singapore to Washington, D.C. flight tickets
Turkish Airlines
Feb 24
SIN10:15 amSingapore Changi
46h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Mar 3
IAD1:30 pmWashington, D.C. Dulles Intl
30h 05m
1 stop
SIN8:35 amSingapore Changi
$981
Turkish Airlines
Feb 25
SIN11:40 amSingapore Changi
44h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Mar 4
IAD1:30 pmWashington, D.C. Dulles Intl
31h 30m
1 stop
SIN10:00 amSingapore Changi
$992
Turkish Airlines
Feb 24
SIN10:15 amSingapore Changi
46h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Mar 3
IAD9:15 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
SIN8:35 amSingapore Changi
$994

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

Our best Air China deals on Singapore to Washington, D.C. flight tickets
Air China
Mar 23
SIN3:00 amSingapore Changi
28h 30m
2 stops
IAD7:30 pmWashington, D.C. Dulles Intl
Apr 7
IAD11:00 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
SIN9:55 pmSingapore Changi
$982
Air China
Feb 23
SIN4:45 amSingapore Changi
26h 45m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 3
IAD10:00 pmWashington, D.C. Dulles Intl
29h 25m
1 stop
SIN4:25 pmSingapore Changi
$1,028
Air China
Feb 23
SIN4:45 amSingapore Changi
26h 45m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
Mar 3
IAD10:00 pmWashington, D.C. Dulles Intl
29h 25m
1 stop
SIN4:25 pmSingapore Changi
$1,043

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 January 11, 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

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 2/22

4:15 am-9:05 am

2 stops41h 50m

Washington, D.C. Dulles Intl

Mon 3/2

2:35 pm-1:20 pm

2 stops33h 45m

$942

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 2/24

2:25 pm-5:46 pm

2 stops40h 21m

Baltimore/Washington

Tue 3/3

6:46 pm-1:05 pm

2 stops29h 19m

$961

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 2/24

2:25 pm-4:06 pm

2 stops38h 41m

Washington, D.C. Reagan-National

Tue 3/3

5:00 pm-1:05 pm

2 stops31h 05m

$961

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 2/24

2:25 pm-5:46 pm

2 stops40h 21m

Baltimore/Washington

Tue 3/3

6:46 pm-1:05 pm

2 stops29h 19m

$962

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 2/24

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Tue 3/3

1:30 pm-8:35 am

1 stop30h 05m

$981

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 3/23

3:00 am-7:30 pm

2 stops28h 30m

Washington, D.C. Dulles Intl

Tue 4/7

11:00 pm-9:55 pm

1 stop34h 55m

$982

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 2/25

11:40 am-7:20 pm

1 stop44h 40m

Washington, D.C. Dulles Intl

Wed 3/4

1:30 pm-10:00 am

1 stop31h 30m

$992

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 2/24

10:10 am-9:39 pm

1 stop24h 29m

Washington, D.C. Reagan-National

Tue 3/3

2:00 pm-8:00 am

2 stops29h 00m

$1,169

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sat 1/24

10:10 am-9:52 pm

1 stop24h 42m

Washington, D.C. Reagan-National

Tue 1/27

1:00 pm-8:00 am

2 stops30h 00m

$1,210

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 1/22

8:15 am-9:59 pm

2 stops26h 44m

Washington, D.C. Reagan-National

Mon 1/26

5:30 pm-6:35 am

2 stops48h 05m

$1,225

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 September is, on average, the cheapest month to fly to Washington, D.C. from Singapore, with most prices found around $1,010. If you’re not able to fly to Washington, D.C. in September, then August is your next best option. Flight prices from Singapore to Washington, D.C. during August average around $1,025.

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

You could potentially save up to 5% 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 January 2026, prices for Singapore to Washington, D.C. flights are approximately 15% 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.

Fastest flight time

22h 12m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 22h 12m
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

  • 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 12m.

  • 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 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.

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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Rockville
Gaithersburg
Manassas
Fairfax
Springfield
Glen Burnie
Linthicum Heights
Reston

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