Cheap flights from Singapore to Washington, D.C. from $422

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Singapore to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air China Logo
5:45 pm - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
37h 45m1 stop Beijing Capital
Air China Logo
10:00 pm - 9:55 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
34h 55m1 stop Beijing Capital
$977Air China
Mon, Nov 30 - Fri, Dec 4
Multiple Airlines Logo
5:45 pm - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
37h 45m1 stop Beijing Capital
Multiple Airlines Logo
11:35 pm - 5:15 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
28h 40m1 stop Incheon Intl
$988Multiple Airlines
Mon, Nov 23 - Mon, Nov 30
Japan Airlines Logo
10:25 pm - 3:59 pmSIN  Singapore Changi-DCA Washington, D.C. Reagan-National
30h 34m2 stops Tokyo Haneda Chicago O'Hare Intl
Japan Airlines Logo
5:20 pm - 6:40 amDCA  Washington, D.C. Reagan-National-SIN Singapore Changi
48h 20m2 stops New York John F Kennedy Intl Tokyo Haneda
$1,011Japan Airlines
Wed, Feb 3 - Sun, Feb 7
Japan Airlines Logo
10:25 pm - 3:59 pmSIN  Singapore Changi-DCA Washington, D.C. Reagan-National
30h 34m2 stops Tokyo Haneda Chicago O'Hare Intl
Japan Airlines Logo
5:20 pm - 6:40 amDCA  Washington, D.C. Reagan-National-SIN Singapore Changi
48h 20m2 stops New York John F Kennedy Intl Tokyo Haneda
$1,012Japan Airlines
Wed, Feb 3 - Sun, Feb 7
Air China Logo
12:50 am - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
30h 40m2 stops Shanghai Pu Dong Beijing Capital
Air China Logo
10:00 pm - 9:55 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
34h 55m1 stop Beijing Capital
$1,062Air China
Mon, Feb 1 - Tue, Feb 16
Air China Logo
10:55 pm - 6:30 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
56h 35m2 stops Shanghai Pu Dong Beijing Capital
Air China Logo
10:00 pm - 4:15 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
29h 15m1 stop Beijing Capital
$1,109Air China
Wed, Dec 23 - Tue, Jan 5
United Airlines Logo
10:20 pm - 11:44 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 24m2 stops San Francisco Newark
United Airlines Logo
5:40 pm - 8:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
25h 20m1 stop San Francisco
$1,278United Airlines
Thu, Nov 26 - Thu, Dec 3
United Airlines Logo
10:20 pm - 11:44 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 24m2 stops San Francisco Newark
United Airlines Logo
6:15 am - 8:15 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
25h 00m1 stop San Francisco
$1,279United Airlines
Thu, Nov 26 - Wed, Dec 9
EVA Air Logo
10:20 pm - 7:00 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
21h 40m1 stop San Francisco
EVA Air Logo
6:00 am - 8:15 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
25h 15m1 stop San Francisco
$5,508EVA Air
Thu, Dec 17 - Fri, Jan 1
EVA Air Logo
1:15 pm - 8:55 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
20h 40m1 stop Taipei City Taiwan Taoyuan Intl
EVA Air Logo
11:55 pm - 12:05 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
23h 10m1 stop Taipei City Taiwan Taoyuan Intl
$12,754EVA Air
Sat, Nov 14 - Fri, Nov 20

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

Our best Air China deals on Singapore to Washington, D.C. flight tickets
Air China
Nov 30
SIN5:45 pmSingapore Changi
37h 45m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 4
IAD10:00 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
SIN9:55 pmSingapore Changi
$977
Air China
Feb 1
SIN12:50 amSingapore Changi
30h 40m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 16
IAD10:00 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
SIN9:55 pmSingapore Changi
$1,062
Air China
Dec 23
SIN10:55 pmSingapore Changi
56h 35m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
Jan 5
IAD10:00 pmWashington, D.C. Dulles Intl
29h 15m
1 stop
SIN4:15 pmSingapore Changi
$1,109

ANA flights from Singapore to Washington, D.C.

Our best ANA deals on Singapore to Washington, D.C. flight tickets
ANA
Jan 20
SIN10:20 pmSingapore Changi
23h 50m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Jan 27
IAD8:15 amWashington, D.C. Dulles Intl
27h 30m
2 stops
SIN12:45 amSingapore Changi
$1,111
ANA
Feb 2
SIN10:45 amSingapore Changi
35h 25m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Feb 16
IAD8:24 amWashington, D.C. Dulles Intl
26h 16m
2 stops
SIN11:40 pmSingapore Changi
$1,112
ANA
Mar 3
SIN10:20 pmSingapore Changi
26h 32m
2 stops
IAD11:52 amWashington, D.C. Dulles Intl
Mar 8
IAD11:15 amWashington, D.C. Dulles Intl
30h 40m
1 stop
SIN6:55 amSingapore Changi
$1,113

momondo Fare Finder

 
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 Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Mon 11/30

5:45 pm-6:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Fri 12/4

10:00 pm-9:55 pm

1 stop34h 55m

$977

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Mon 11/23

5:45 pm-6:30 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Mon 11/30

11:35 pm-5:15 pm

1 stop28h 40m

$988

SingaporeWashington, D.C.

SIN Singapore Changi - DCA Washington, D.C. Reagan-National

SINDCA

Singapore Changi

Wed 2/3

10:25 pm-3:59 pm

2 stops30h 34m

Washington, D.C. Reagan-National

Sun 2/7

5:20 pm-6:40 am

2 stops48h 20m

$1,011

SingaporeWashington, D.C.

SIN Singapore Changi - DCA Washington, D.C. Reagan-National

SINDCA

Singapore Changi

Wed 2/3

10:25 pm-3:59 pm

2 stops30h 34m

Washington, D.C. Reagan-National

Sun 2/7

5:20 pm-6:40 am

2 stops48h 20m

$1,012

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Mon 2/1

12:50 am-6:30 pm

2 stops30h 40m

Washington, D.C. Dulles Intl

Tue 2/16

10:00 pm-9:55 pm

1 stop34h 55m

$1,062

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Wed 12/23

10:55 pm-6:30 pm

2 stops56h 35m

Washington, D.C. Dulles Intl

Tue 1/5

10:00 pm-4:15 pm

1 stop29h 15m

$1,109

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Thu 11/26

10:20 pm-11:44 am

2 stops26h 24m

Washington, D.C. Dulles Intl

Thu 12/3

5:40 pm-8:00 am

1 stop25h 20m

$1,278

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Thu 11/26

10:20 pm-11:44 am

2 stops26h 24m

Washington, D.C. Dulles Intl

Wed 12/9

6:15 am-8:15 pm

1 stop25h 00m

$1,279

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Thu 12/17

10:20 pm-7:00 am

1 stop21h 40m

Washington, D.C. Dulles Intl

Fri 1/1

6:00 am-8:15 pm

1 stop25h 15m

$5,508
Quickest round-trip

SingaporeWashington, D.C.

SIN Singapore Changi - IAD Washington, D.C. Dulles Intl

SINIAD

Singapore Changi

Sat 11/14

1:15 pm-8:55 pm

1 stop20h 40m

Washington, D.C. Dulles Intl

Fri 11/20

11:55 pm-12:05 pm

1 stop23h 10m

$12,754

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 cheapest month to fly to Washington, D.C.?

The month of November is, on average, the cheapest month to fly to Washington, D.C. from Singapore, with most prices found around $1,049. If you’re not able to fly to Washington, D.C. in November, then February is your next best option. Flight prices from Singapore to Washington, D.C. during February average around $1,127.

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

You could potentially save up to 21% 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 October 2026, prices for Singapore to Washington, D.C. flights are approximately 15% 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.

Best Price Found

$422

Fastest flight time

26h 04m

Direct flights

None
The best one-way flight to Washington, D.C. from Singapore in the past 72 hours is $422. The best round-trip flight deal from Singapore to Washington, D.C. found on momondo in the last 72 hours is $977.
The fastest flight from Singapore to Washington, D.C. takes 26h 04m
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 26h 04m.

  • 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
7.5
167 reviews
Search Air China flights
EVA AirPriceFrom $1,188Free CancellationRating
8.5
1,552 reviews
Search EVA Air flights
United AirlinesPriceFrom $1,219Free CancellationRating
7.3
10,453 reviews
Search United Airlines 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
Arlington
Gettysburg
Fredericksburg
Laurel
Waldorf
Woodbridge
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Fairfax
Springfield
Glen Burnie
Edgewood
College Park
Camp Springs
Colonial Beach

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.

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1 adult
Sun 11/29
Sun 12/6

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.