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Cheap flights from Singapore to Washington, D.C. from $484

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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Air China Logo
5:55 pm - 6:30 pm
SIN
-
IAD
37h 35m
1 stop
Air China Logo
10:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$962Air China
Mon, Mar 2 - Fri, Mar 6
Turkish Airlines Logo
11:40 am - 7:20 pm
SIN
-
IAD
44h 40m
1 stop
Turkish Airlines Logo
10:15 pm - 8:35 am
IAD
-
SIN
22h 20m
1 stop
$979Turkish Airlines
Wed, Mar 4 - Tue, Mar 17
Air China Logo
5:50 pm - 6:30 pm
SIN
-
IAD
61h 40m
2 stops
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$990Air China
Wed, Mar 4 - Tue, Mar 17
Multiple Airlines Logo
11:15 am - 10:05 am
SIN
-
IAD
34h 50m
2 stops
Multiple Airlines Logo
3:35 pm - 2:10 pm
IAD
-
SIN
34h 35m
3 stops
$1,060Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
3:45 pm - 5:46 pm
SIN
-
BWI
38h 01m
2 stops
Multiple Airlines Logo
7:04 pm - 12:05 pm
BWI
-
SIN
29h 01m
2 stops
$1,089Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Air Canada Logo
8:50 am - 7:45 pm
SIN
-
DCA
22h 55m
2 stops
Air Canada Logo
9:40 am - 7:00 am
DCA
-
SIN
33h 20m
2 stops
$1,153Air Canada
Thu, Mar 12 - Thu, Mar 19
United Airlines Logo
10:20 pm - 11:35 am
SIN
-
DCA
26h 15m
2 stops
United Airlines Logo
12:00 pm - 8:00 am
DCA
-
SIN
31h 00m
2 stops
$1,183United Airlines
Thu, Feb 12 - Fri, Feb 20
Air Canada Logo
8:50 am - 7:45 pm
SIN
-
DCA
22h 55m
2 stops
Air Canada Logo
9:40 am - 7:00 am
DCA
-
SIN
33h 20m
2 stops
$1,189Air Canada
Fri, Mar 13 - Fri, Mar 20
United Airlines Logo
10:10 am - 11:36 am
SIN
-
DCA
38h 26m
2 stops
United Airlines Logo
1:00 pm - 8:00 am
DCA
-
SIN
30h 00m
2 stops
$1,222United Airlines
Fri, Feb 13 - Fri, Feb 20
JetBlue Logo
3:15 am - 10:59 pm
SIN
-
DCA
31h 44m
2 stops
JetBlue Logo
6:00 am - 9:15 pm
DCA
-
SIN
27h 15m
2 stops
$1,297JetBlue
Thu, Mar 12 - Fri, Mar 20

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 12
SIN10:10 amSingapore Changi
33h 21m
1 stop
IAD7:31 amWashington, D.C. Dulles Intl
Mar 19
IAD1:15 pmWashington, D.C. Dulles Intl
29h 45m
2 stops
SIN7:00 amSingapore Changi
$1,183
United Airlines
Feb 12
SIN10:20 pmSingapore Changi
22h 11m
1 stop
IAD7:31 amWashington, D.C. Dulles Intl
Feb 22
IAD5:17 pmWashington, D.C. Dulles Intl
37h 58m
2 stops
SIN8:15 pmSingapore Changi
$1,187
United Airlines
Feb 13
SIN10:10 amSingapore Changi
38h 26m
2 stops
DCA11:36 amWashington, D.C. Reagan-National
Feb 20
DCA1:00 pmWashington, D.C. Reagan-National
30h 00m
2 stops
SIN8:00 amSingapore Changi
$1,222

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 4
SIN11:40 amSingapore Changi
44h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Mar 17
IAD10:15 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
SIN8:35 amSingapore Changi
$979
Turkish Airlines
Feb 2
SIN11:40 amSingapore Changi
44h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Feb 16
IAD1:30 pmWashington, D.C. Dulles Intl
31h 30m
1 stop
SIN10:00 amSingapore Changi
$981
Turkish Airlines
Mar 1
SIN10:15 amSingapore Changi
46h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Apr 30
IAD9:45 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:30 amSingapore Changi
$1,012

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 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

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 3/2

5:55 pm-6:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Fri 3/6

10:00 pm-4:25 pm

1 stop29h 25m

$962

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/4

11:40 am-7:20 pm

1 stop44h 40m

Washington, D.C. Dulles Intl

Tue 3/17

10:15 pm-8:35 am

1 stop22h 20m

$979

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/4

5:50 pm-6:30 pm

2 stops61h 40m

Washington, D.C. Dulles Intl

Tue 3/17

11:00 pm-4:25 pm

1 stop29h 25m

$990

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/12

11:15 am-10:05 am

2 stops34h 50m

Washington, D.C. Dulles Intl

Thu 3/19

3:35 pm-2:10 pm

3 stops34h 35m

$1,060

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Thu 3/12

3:45 pm-5:46 pm

2 stops38h 01m

Baltimore/Washington

Thu 3/19

7:04 pm-12:05 pm

2 stops29h 01m

$1,089

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 3/12

8:50 am-7:45 pm

2 stops22h 55m

Washington, D.C. Reagan-National

Thu 3/19

9:40 am-7:00 am

2 stops33h 20m

$1,153

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 2/12

10:20 pm-11:35 am

2 stops26h 15m

Washington, D.C. Reagan-National

Fri 2/20

12:00 pm-8:00 am

2 stops31h 00m

$1,183

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 3/13

8:50 am-7:45 pm

2 stops22h 55m

Washington, D.C. Reagan-National

Fri 3/20

9:40 am-7:00 am

2 stops33h 20m

$1,189

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 2/13

10:10 am-11:36 am

2 stops38h 26m

Washington, D.C. Reagan-National

Fri 2/20

1:00 pm-8:00 am

2 stops30h 00m

$1,222

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 3/12

3:15 am-10:59 pm

2 stops31h 44m

Washington, D.C. Reagan-National

Fri 3/20

6:00 am-9:15 pm

2 stops27h 15m

$1,297

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 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 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

25h 28m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 25h 28m
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 25h 28m.

  • 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
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
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