Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Singapore to Washington, D.C. from $522

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 3/3. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
3:10 pm - 9:05 am
SIN
-
IAD
30h 55m
2 stops
Multiple Airlines Logo
3:35 pm - 2:10 pm
IAD
-
SIN
34h 35m
2 stops
$953Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Air China Logo
3:00 am - 6:30 pm
SIN
-
IAD
28h 30m
2 stops
Air China Logo
11:00 pm - 6:50 am
IAD
-
SIN
43h 50m
1 stop
$974Air China
Mon, Mar 2 - Tue, Mar 10
Turkish Airlines Logo
10:15 am - 11:45 am
SIN
-
IAD
38h 30m
1 stop
Turkish Airlines Logo
10:15 pm - 8:35 am
IAD
-
SIN
22h 20m
1 stop
$991Turkish Airlines
Tue, Mar 3 - Tue, Mar 10
Turkish Airlines Logo
11:40 am - 11:45 am
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
10:15 pm - 10:00 am
IAD
-
SIN
23h 45m
1 stop
$992Turkish Airlines
Wed, Mar 4 - Wed, Mar 11
Turkish Airlines Logo
11:40 am - 11:45 am
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
10:15 pm - 10:00 am
IAD
-
SIN
23h 45m
1 stop
$997Turkish Airlines
Wed, Mar 4 - Wed, Mar 11
Turkish Airlines Logo
10:15 am - 7:20 pm
SIN
-
IAD
46h 05m
1 stop
Turkish Airlines Logo
9:45 pm - 9:30 am
IAD
-
SIN
23h 45m
1 stop
$1,004Turkish Airlines
Sun, Mar 1 - Thu, Apr 30
Turkish Airlines Logo
10:15 am - 7:20 pm
SIN
-
IAD
46h 05m
1 stop
Turkish Airlines Logo
1:20 pm - 9:30 am
IAD
-
SIN
32h 10m
1 stop
$1,005Turkish Airlines
Sun, Mar 1 - Thu, Apr 30
Japan Airlines Logo
8:15 am - 10:47 pm
SIN
-
DCA
27h 32m
2 stops
Japan Airlines Logo
5:53 pm - 5:25 pm
DCA
-
SIN
34h 32m
2 stops
$1,180Japan Airlines
Sat, Jan 31 - Sat, Feb 28
United Airlines Logo
10:20 pm - 11:29 am
SIN
-
DCA
26h 09m
2 stops
United Airlines Logo
10:50 am - 8:00 am
DCA
-
SIN
32h 10m
2 stops
$1,206United Airlines
Sun, Feb 1 - Wed, Feb 4
United Airlines Logo
10:20 pm - 9:43 pm
SIN
-
BWI
35h 23m
3 stops
United Airlines Logo
6:31 pm - 8:15 pm
BWI
-
SIN
37h 44m
1 stop
$1,218United Airlines
Wed, Mar 18 - Sun, Mar 22

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 3
SIN10:15 amSingapore Changi
38h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Mar 10
IAD10:15 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
SIN8:35 amSingapore Changi
$991
Turkish Airlines
Mar 4
SIN11:40 amSingapore Changi
37h 05m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Mar 11
IAD10:15 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN10:00 amSingapore Changi
$992
Turkish Airlines
Mar 4
SIN11:40 amSingapore Changi
37h 05m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Mar 11
IAD10:15 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN10:00 amSingapore Changi
$997

ANA flights from Singapore to Washington, D.C.

Our best ANA deals on Singapore to Washington, D.C. flight tickets
ANA
May 14
SIN10:10 pmSingapore Changi
23h 55m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Aug 8
IAD3:30 pmWashington, D.C. Dulles Intl
45h 15m
2 stops
SIN12:45 amSingapore Changi
$1,163
ANA
May 14
SIN10:10 pmSingapore Changi
23h 55m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
Aug 8
IAD3:30 pmWashington, D.C. Dulles Intl
45h 15m
2 stops
SIN12:45 amSingapore Changi
$1,351

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 19, 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

Tue 3/3

3:10 pm-9:05 am

2 stops30h 55m

Washington, D.C. Dulles Intl

Tue 3/10

3:35 pm-2:10 pm

2 stops34h 35m

$953

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 3/2

3:00 am-6:30 pm

2 stops28h 30m

Washington, D.C. Dulles Intl

Tue 3/10

11:00 pm-6:50 am

1 stop43h 50m

$974

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3/3

10:15 am-11:45 am

1 stop38h 30m

Washington, D.C. Dulles Intl

Tue 3/10

10:15 pm-8:35 am

1 stop22h 20m

$991

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/4

11:40 am-11:45 am

1 stop37h 05m

Washington, D.C. Dulles Intl

Wed 3/11

10:15 pm-10:00 am

1 stop23h 45m

$992

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/4

11:40 am-11:45 am

1 stop37h 05m

Washington, D.C. Dulles Intl

Wed 3/11

10:15 pm-10:00 am

1 stop23h 45m

$997

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/1

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Thu 4/30

9:45 pm-9:30 am

1 stop23h 45m

$1,004

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/1

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Thu 4/30

1:20 pm-9:30 am

1 stop32h 10m

$1,005

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sat 1/31

8:15 am-10:47 pm

2 stops27h 32m

Washington, D.C. Reagan-National

Sat 2/28

5:53 pm-5:25 pm

2 stops34h 32m

$1,180

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 2/1

10:20 pm-11:29 am

2 stops26h 09m

Washington, D.C. Reagan-National

Wed 2/4

10:50 am-8:00 am

2 stops32h 10m

$1,206

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Wed 3/18

10:20 pm-9:43 pm

3 stops35h 23m

Baltimore/Washington

Sun 3/22

6:31 pm-8:15 pm

1 stop37h 44m

$1,218

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

22h 07m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 22h 07m
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 07m.

  • 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
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

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 2/18
Wed 2/25
By creating a price alert you accept our terms of use and privacy policy.

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