Latest deals
Insights
When to book
FAQs
Price Alerts

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 3/5. 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.
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
$959Air China
Mon, Mar 30 - Tue, Apr 7
Turkish Airlines Logo
10:25 am - 7:50 pm
SIN
-
IAD
45h 25m
1 stop
Turkish Airlines Logo
1:20 pm - 8:45 am
IAD
-
SIN
31h 25m
1 stop
$981Turkish Airlines
Tue, Mar 31 - Tue, Apr 7
Multiple Airlines Logo
11:00 am - 9:45 am
SIN
-
IAD
34h 45m
2 stops
Multiple Airlines Logo
7:11 pm - 5:35 pm
IAD
-
SIN
34h 24m
1 stop
$1,052Multiple Airlines
Sun, Mar 29 - Wed, Apr 8
Multiple Airlines Logo
8:45 am - 10:05 am
SIN
-
IAD
37h 20m
2 stops
Multiple Airlines Logo
7:11 pm - 5:35 pm
IAD
-
SIN
34h 24m
1 stop
$1,054Multiple Airlines
Wed, Mar 25 - Wed, Apr 8
United Airlines Logo
10:10 am - 9:45 pm
SIN
-
DCA
23h 35m
1 stop
United Airlines Logo
8:00 am - 7:00 am
DCA
-
SIN
35h 00m
2 stops
$1,145United Airlines
Mon, Mar 16 - Mon, Mar 23
United Airlines Logo
10:10 am - 9:45 pm
SIN
-
DCA
23h 35m
1 stop
United Airlines Logo
12:32 pm - 7:00 am
DCA
-
SIN
30h 28m
2 stops
$1,146United Airlines
Tue, Mar 17 - Tue, Mar 24
Japan Airlines Logo
8:15 am - 6:33 pm
SIN
-
DCA
46h 18m
2 stops
Japan Airlines Logo
6:00 am - 6:10 am
DCA
-
SIN
60h 10m
2 stops
$1,200Japan Airlines
Tue, Mar 24 - Sun, Apr 12
Japan Airlines Logo
8:15 am - 10:16 pm
SIN
-
DCA
26h 01m
2 stops
Japan Airlines Logo
5:55 am - 12:20 am
DCA
-
SIN
30h 25m
2 stops
$1,215Japan Airlines
Fri, Mar 27 - Fri, Apr 10
American Airlines Logo
8:15 am - 10:59 pm
SIN
-
BWI
26h 44m
2 stops
American Airlines Logo
11:41 am - 6:10 am
BWI
-
SIN
30h 29m
2 stops
$1,273American Airlines
Thu, Mar 26 - Mon, Apr 13
American Airlines Logo
8:15 am - 10:16 pm
SIN
-
DCA
26h 01m
2 stops
American Airlines Logo
9:32 am - 6:10 am
DCA
-
SIN
32h 38m
2 stops
$1,273American Airlines
Thu, Mar 26 - Sun, Apr 12

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

Our best Air China deals on Singapore to Washington, D.C. flight tickets
Air China
Mar 30
SIN11:25 pmSingapore Changi
32h 05m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Apr 7
IAD11:00 pmWashington, D.C. Dulles Intl
34h 55m
1 stop
SIN9:55 pmSingapore Changi
$959
Air China
Mar 23
SIN3:00 amSingapore Changi
28h 30m
2 stops
IAD7:30 pmWashington, D.C. Dulles Intl
Apr 7
IAD11:00 pmWashington, D.C. Dulles Intl
29h 25m
1 stop
SIN4:25 pmSingapore Changi
$1,006
Air China
Mar 30
SIN11:25 pmSingapore Changi
32h 05m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Apr 10
IAD11:00 pmWashington, D.C. Dulles Intl
29h 25m
1 stop
SIN4:25 pmSingapore Changi
$1,019

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 31
SIN10:25 amSingapore Changi
45h 25m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
Apr 7
IAD1:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN8:45 amSingapore Changi
$981
Turkish Airlines
Mar 30
SIN11:10 amSingapore Changi
36h 25m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Apr 6
IAD9:45 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:30 amSingapore Changi
$995
Turkish Airlines
Apr 1
SIN11:10 amSingapore Changi
36h 25m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Apr 8
IAD1:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN8:45 amSingapore Changi
$996

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 February 17, 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 3/30

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Tue 4/7

11:00 pm-9:55 pm

1 stop34h 55m

$959

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3/31

10:25 am-7:50 pm

1 stop45h 25m

Washington, D.C. Dulles Intl

Tue 4/7

1:20 pm-8:45 am

1 stop31h 25m

$981

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/29

11:00 am-9:45 am

2 stops34h 45m

Washington, D.C. Dulles Intl

Wed 4/8

7:11 pm-5:35 pm

1 stop34h 24m

$1,052

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/25

8:45 am-10:05 am

2 stops37h 20m

Washington, D.C. Dulles Intl

Wed 4/8

7:11 pm-5:35 pm

1 stop34h 24m

$1,054

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 3/16

10:10 am-9:45 pm

1 stop23h 35m

Washington, D.C. Reagan-National

Mon 3/23

8:00 am-7:00 am

2 stops35h 00m

$1,145

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 3/17

10:10 am-9:45 pm

1 stop23h 35m

Washington, D.C. Reagan-National

Tue 3/24

12:32 pm-7:00 am

2 stops30h 28m

$1,146

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 3/24

8:15 am-6:33 pm

2 stops46h 18m

Washington, D.C. Reagan-National

Sun 4/12

6:00 am-6:10 am

2 stops60h 10m

$1,200

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 3/27

8:15 am-10:16 pm

2 stops26h 01m

Washington, D.C. Reagan-National

Fri 4/10

5:55 am-12:20 am

2 stops30h 25m

$1,215

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Thu 3/26

8:15 am-10:59 pm

2 stops26h 44m

Baltimore/Washington

Mon 4/13

11:41 am-6:10 am

2 stops30h 29m

$1,273

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 3/26

8:15 am-10:16 pm

2 stops26h 01m

Washington, D.C. Reagan-National

Sun 4/12

9:32 am-6:10 am

2 stops32h 38m

$1,273

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 $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 27% 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

26h 34m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 26h 34m
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 26h 34m.

  • 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

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
Thu 3/19
Thu 3/26
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