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Cheap flights from Singapore to Washington, D.C. from $452

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 3/26. 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

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Multiple Airlines Logo
9:15 pm - 10:05 am
SIN
-
IAD
48h 50m
2 stops
Multiple Airlines Logo
3:10 pm - 6:50 am
IAD
-
SIN
51h 40m
2 stops
$954Multiple Airlines
週一, 3月 23 - 週一, 3月 30
Turkish Airlines Logo
11:40 am - 12:45 pm
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
9:45 pm - 9:30 am
IAD
-
SIN
23h 45m
1 stop
$986Turkish Airlines
週一, 3月 23 - 週一, 3月 30
Turkish Airlines Logo
11:40 am - 12:45 pm
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
9:45 pm - 9:30 am
IAD
-
SIN
23h 45m
1 stop
$994Turkish Airlines
週一, 3月 23 - 週一, 3月 30
Air China Logo
11:25 pm - 7:30 pm
SIN
-
IAD
32h 05m
1 stop
Air China Logo
11:00 pm - 9:55 pm
IAD
-
SIN
34h 55m
1 stop
$1,013Air China
週一, 3月 30 - 週二, 4月 7
Air China Logo
5:50 pm - 7:30 pm
SIN
-
IAD
61h 40m
2 stops
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$1,036Air China
週三, 3月 11 - 週二, 3月 24
EVA Air Logo
3:20 pm - 6:28 am
SIN
-
BWI
27h 08m
2 stops
EVA Air Logo
7:27 pm - 1:55 pm
BWI
-
SIN
30h 28m
2 stops
$1,166EVA Air
週五, 5月 22 - 週五, 6月 5
United Airlines Logo
10:20 pm - 4:43 pm
SIN
-
DCA
31h 23m
1 stop
United Airlines Logo
10:30 am - 7:00 am
DCA
-
SIN
32h 30m
2 stops
$1,181United Airlines
週一, 2月 23 - 週日, 3月 15
United Airlines Logo
10:10 am - 9:45 pm
SIN
-
DCA
23h 35m
1 stop
United Airlines Logo
10:30 am - 6:45 am
DCA
-
SIN
32h 15m
2 stops
$1,182United Airlines
週三, 3月 18 - 週二, 3月 31
Japan Airlines Logo
8:15 am - 5:27 pm
SIN
-
DCA
45h 12m
2 stops
Japan Airlines Logo
1:25 pm - 6:10 am
DCA
-
SIN
52h 45m
2 stops
$1,193Japan Airlines
週四, 3月 26 - 週二, 4月 7
Japan Airlines Logo
8:05 am - 2:40 pm
SIN
-
DCA
42h 35m
2 stops
Japan Airlines Logo
9:32 am - 6:10 am
DCA
-
SIN
32h 38m
2 stops
$1,201Japan Airlines
週日, 4月 12 - 週二, 4月 21

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

Our best Turkish Airlines deals on Singapore to Washington, D.C. flight tickets
Turkish Airlines
Mar 23
SIN11:40 amSingapore Changi
37h 05m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
Mar 30
IAD9:45 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:30 amSingapore Changi
$986
Turkish Airlines
Mar 23
SIN11:40 amSingapore Changi
37h 05m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
Mar 30
IAD9:45 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:30 amSingapore Changi
$994
Turkish Airlines
Feb 23
SIN11:40 amSingapore Changi
37h 05m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Mar 15
IAD10:15 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
SIN8:35 amSingapore Changi
$1,021

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

Our best United Airlines deals on Singapore to Washington, D.C. flight tickets
United Airlines
Mar 23
SIN10:10 amSingapore Changi
32h 46m
1 stop
IAD6:56 amWashington, D.C. Dulles Intl
Mar 30
IAD10:10 amWashington, D.C. Dulles Intl
32h 35m
2 stops
SIN6:45 amSingapore Changi
$1,180
United Airlines
Feb 23
SIN10:20 pmSingapore Changi
22h 11m
1 stop
IAD7:31 amWashington, D.C. Dulles Intl
Mar 15
IAD8:30 amWashington, D.C. Dulles Intl
34h 30m
2 stops
SIN7:00 amSingapore Changi
$1,181
United Airlines
Mar 18
SIN10:10 amSingapore Changi
23h 35m
1 stop
DCA9:45 pmWashington, D.C. Reagan-National
Mar 31
DCA10:30 amWashington, D.C. Reagan-National
32h 15m
2 stops
SIN6:45 amSingapore Changi
$1,182

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 2月 8, 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

週一 3/23

9:15 pm-10:05 am

2 stops48h 50m

Washington, D.C. Dulles Intl

週一 3/30

3:10 pm-6:50 am

2 stops51h 40m

$954

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

週一 3/23

11:40 am-12:45 pm

1 stop37h 05m

Washington, D.C. Dulles Intl

週一 3/30

9:45 pm-9:30 am

1 stop23h 45m

$986

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

週一 3/23

11:40 am-12:45 pm

1 stop37h 05m

Washington, D.C. Dulles Intl

週一 3/30

9:45 pm-9:30 am

1 stop23h 45m

$994

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

週一 3/30

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

週二 4/7

11:00 pm-9:55 pm

1 stop34h 55m

$1,013

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

週三 3/11

5:50 pm-7:30 pm

2 stops61h 40m

Washington, D.C. Dulles Intl

週二 3/24

11:00 pm-4:25 pm

1 stop29h 25m

$1,036

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

週五 5/22

3:20 pm-6:28 am

2 stops27h 08m

Baltimore/Washington

週五 6/5

7:27 pm-1:55 pm

2 stops30h 28m

$1,166

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

週一 2/23

10:20 pm-4:43 pm

1 stop31h 23m

Washington, D.C. Reagan-National

週日 3/15

10:30 am-7:00 am

2 stops32h 30m

$1,181

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

週三 3/18

10:10 am-9:45 pm

1 stop23h 35m

Washington, D.C. Reagan-National

週二 3/31

10:30 am-6:45 am

2 stops32h 15m

$1,182

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

週四 3/26

8:15 am-5:27 pm

2 stops45h 12m

Washington, D.C. Reagan-National

週二 4/7

1:25 pm-6:10 am

2 stops52h 45m

$1,193

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

週日 4/12

8:05 am-2:40 pm

2 stops42h 35m

Washington, D.C. Reagan-National

週二 4/21

9:32 am-6:10 am

2 stops32h 38m

$1,201

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 $932. If you’re not able to fly to Washington, D.C. in September, then October is your next best option. Flight prices from Singapore to Washington, D.C. during October average around $1,079.

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

You could potentially save up to 23% 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 February 2026, prices for Singapore to Washington, D.C. flights are approximately 5% 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

23h 43m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 23h 43m
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 23h 43m.

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

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