Cheap flights from Singapore to Washington, D.C. from $541

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 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
ANA Logo
11:05 am - 3:50 pm
SIN
-
IAD
40h 45m
1 stop
ANA Logo
3:40 pm - 6:40 am
IAD
-
SIN
27h 00m
2 stops
$851ANA
Thu, Aug 27 - Sat, Aug 29
ANA Logo
10:00 pm - 10:05 am
SIN
-
IAD
24h 05m
1 stop
ANA Logo
3:40 pm - 6:40 am
IAD
-
SIN
27h 00m
2 stops
$927ANA
Fri, Sep 4 - Mon, Sep 21
ANA Logo
10:00 pm - 3:50 pm
SIN
-
IAD
29h 50m
1 stop
ANA Logo
3:40 pm - 6:40 am
IAD
-
SIN
27h 00m
2 stops
$929ANA
Thu, Aug 27 - Mon, Sep 7
ANA Logo
10:00 pm - 10:05 am
SIN
-
IAD
24h 05m
1 stop
ANA Logo
1:10 pm - 6:40 am
IAD
-
SIN
29h 30m
2 stops
$986ANA
Tue, Sep 1 - Wed, Sep 30
Air China Logo
5:55 pm - 7:30 pm
SIN
-
IAD
37h 35m
1 stop
Air China Logo
11:00 pm - 6:50 am
IAD
-
SIN
43h 50m
1 stop
$1,016Air China
Thu, Jul 2 - Fri, Jul 17
Air China Logo
5:55 pm - 7:30 pm
SIN
-
IAD
37h 35m
1 stop
Air China Logo
11:00 pm - 9:55 pm
IAD
-
SIN
34h 55m
1 stop
$1,027Air China
Thu, Jul 16 - Fri, Jul 31
Japan Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
Japan Airlines Logo
6:30 am - 6:10 am
DCA
-
SIN
35h 40m
2 stops
$1,122Japan Airlines
Sun, Jul 5 - Sun, Jul 26
Japan Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
Japan Airlines Logo
10:16 pm - 12:20 am
DCA
-
SIN
38h 04m
2 stops
$1,129Japan Airlines
Wed, Aug 26 - Sat, Aug 29
American Airlines Logo
1:55 am - 3:59 pm
SIN
-
DCA
26h 04m
2 stops
American Airlines Logo
7:32 am - 12:20 am
DCA
-
SIN
28h 48m
2 stops
$1,152American Airlines
Mon, Aug 31 - Wed, Sep 30
American Airlines Logo
1:55 am - 5:54 pm
SIN
-
BWI
27h 59m
2 stops
American Airlines Logo
7:26 am - 12:20 am
BWI
-
SIN
28h 54m
2 stops
$1,154American Airlines
Wed, Aug 26 - Mon, Sep 7

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

Our best Air Canada deals on Singapore to Washington, D.C. flight tickets
Air Canada
Aug 27
SIN6:15 amSingapore Changi
44h 46m
2 stops
IAD3:01 pmWashington, D.C. Dulles Intl
Sep 7
IAD9:07 amWashington, D.C. Dulles Intl
56h 08m
2 stops
SIN5:15 amSingapore Changi
$1,214
Air Canada
Jul 2
SIN7:00 amSingapore Changi
44h 24m
2 stops
IAD3:24 pmWashington, D.C. Dulles Intl
Jul 21
IAD9:55 amWashington, D.C. Dulles Intl
31h 20m
2 stops
SIN5:15 amSingapore Changi
$1,246
Air Canada
Nov 24
SIN8:50 amSingapore Changi
24h 33m
2 stops
IAD8:23 pmWashington, D.C. Dulles Intl
Dec 1
IAD9:55 amWashington, D.C. Dulles Intl
30h 00m
2 stops
SIN4:55 amSingapore Changi
$1,251

Emirates flights from Singapore to Washington, D.C.

Our best Emirates deals on Singapore to Washington, D.C. flight tickets
Emirates
Jul 1
SIN9:30 pmSingapore Changi
47h 10m
2 stops
IAD8:40 amWashington, D.C. Dulles Intl
Jul 4
IAD10:55 amWashington, D.C. Dulles Intl
36h 35m
2 stops
SIN11:30 amSingapore Changi
$1,519
Emirates
Jul 2
SIN1:45 pmSingapore Changi
30h 55m
2 stops
IAD8:40 amWashington, D.C. Dulles Intl
Jul 5
IAD10:55 amWashington, D.C. Dulles Intl
45h 35m
2 stops
SIN8:30 pmSingapore Changi
$1,534
Emirates
Jun 29
SIN9:30 pmSingapore Changi
47h 10m
2 stops
IAD8:40 amWashington, D.C. Dulles Intl
Jul 9
IAD10:55 amWashington, D.C. Dulles Intl
36h 35m
2 stops
SIN11:30 amSingapore Changi
$1,571

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 June 20, 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

Thu 8/27

11:05 am-3:50 pm

1 stop40h 45m

Washington, D.C. Dulles Intl

Sat 8/29

3:40 pm-6:40 am

2 stops27h 00m

$851
Quickest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 9/4

10:00 pm-10:05 am

1 stop24h 05m

Washington, D.C. Dulles Intl

Mon 9/21

3:40 pm-6:40 am

2 stops27h 00m

$927

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 8/27

10:00 pm-3:50 pm

1 stop29h 50m

Washington, D.C. Dulles Intl

Mon 9/7

3:40 pm-6:40 am

2 stops27h 00m

$929

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

1:10 pm-6:40 am

2 stops29h 30m

$986

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 7/2

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Fri 7/17

11:00 pm-6:50 am

1 stop43h 50m

$1,016

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 7/16

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Fri 7/31

11:00 pm-9:55 pm

1 stop34h 55m

$1,027

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 7/5

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Sun 7/26

6:30 am-6:10 am

2 stops35h 40m

$1,122

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 8/26

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Sat 8/29

10:16 pm-12:20 am

2 stops38h 04m

$1,129

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 8/31

1:55 am-3:59 pm

2 stops26h 04m

Washington, D.C. Reagan-National

Wed 9/30

7:32 am-12:20 am

2 stops28h 48m

$1,152

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Wed 8/26

1:55 am-5:54 pm

2 stops27h 59m

Baltimore/Washington

Mon 9/7

7:26 am-12:20 am

2 stops28h 54m

$1,154

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 9% 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 June 2026, prices for Singapore to Washington, D.C. flights are approximately 52% 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 35m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 22h 35m
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 35m.

  • 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
155 reviews
Search Air China flights
EVA AirPriceFrom $1,188Free CancellationRating
8.5
1,478 reviews
Search EVA Air flights
United AirlinesPriceFrom $1,219Free CancellationRating
7.4
9,865 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
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Fredericksburg
Gaithersburg
Colonial Beach
Rockville
Linthicum Heights
Silver Spring
Towson
Manassas
Tysons
Springfield
Bethesda
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Mon 7/20
Mon 7/27

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.