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Cheap flights from Singapore to Washington, D.C. from $581

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 4/16. 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
9:00 am - 7:30 pm
SIN
-
IAD
22h 30m
1 stop
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$931Air China
Fri, Apr 17 - Fri, Apr 24
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
$1,021Air China
Thu, Apr 16 - Tue, Apr 21
Turkish Airlines Logo
10:25 am - 11:35 am
SIN
-
IAD
37h 10m
1 stop
Turkish Airlines Logo
1:20 pm - 9:30 am
IAD
-
SIN
32h 10m
1 stop
$1,060Turkish Airlines
Sun, May 17 - Thu, May 21
Air China Logo
9:00 am - 7:30 pm
SIN
-
IAD
22h 30m
1 stop
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$1,076Air China
Fri, Apr 17 - Fri, Apr 24
Air China Logo
6:10 pm - 7:30 pm
SIN
-
IAD
37h 20m
2 stops
Air China Logo
11:00 pm - 9:55 pm
IAD
-
SIN
34h 55m
1 stop
$1,080Air China
Thu, Apr 16 - Tue, Apr 21
Multiple Airlines Logo
2:35 am - 9:45 am
SIN
-
IAD
43h 10m
2 stops
Multiple Airlines Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
$1,087Multiple Airlines
Sat, May 2 - Sun, May 10
Multiple Airlines Logo
3:20 pm - 6:21 am
SIN
-
BWI
27h 01m
2 stops
Multiple Airlines Logo
6:11 pm - 1:55 pm
BWI
-
SIN
31h 44m
2 stops
$1,089Multiple Airlines
Tue, Sep 1 - Wed, Sep 30
United Airlines Logo
9:00 am - 1:24 am
SIN
-
IAD
28h 24m
1 stop
United Airlines Logo
10:30 pm - 6:35 pm
IAD
-
SIN
32h 05m
2 stops
$1,104United Airlines
Mon, May 4 - Mon, May 11
STARLUX Airlines Logo
2:10 pm - 7:28 am
SIN
-
IAD
29h 18m
2 stops
STARLUX Airlines Logo
5:38 pm - 12:40 pm
IAD
-
SIN
31h 02m
2 stops
$1,109STARLUX Airlines
Tue, Sep 1 - Wed, Sep 30
United Airlines Logo
8:35 pm - 4:56 pm
SIN
-
DCA
32h 21m
1 stop
United Airlines Logo
12:40 pm - 6:15 am
DCA
-
SIN
29h 35m
2 stops
$1,130United Airlines
Tue, Sep 1 - Wed, Sep 30

United Airlines flights from Singapore to Washington, D.C.

Our best United Airlines deals on Singapore to Washington, D.C. flight tickets
United Airlines
May 4
SIN9:00 amSingapore Changi
28h 24m
1 stop
IAD1:24 amWashington, D.C. Dulles Intl
May 11
IAD10:30 pmWashington, D.C. Dulles Intl
32h 05m
2 stops
SIN6:35 pmSingapore Changi
$1,104
United Airlines
Apr 30
SIN9:00 amSingapore Changi
34h 35m
1 stop
IAD7:35 amWashington, D.C. Dulles Intl
May 7
IAD10:20 pmWashington, D.C. Dulles Intl
32h 15m
2 stops
SIN6:35 pmSingapore Changi
$1,128
United Airlines
Sep 1
SIN8:45 amSingapore Changi
25h 58m
1 stop
IAD10:43 pmWashington, D.C. Dulles Intl
Sep 30
IAD1:00 pmWashington, D.C. Dulles Intl
29h 15m
2 stops
SIN6:15 amSingapore Changi
$1,130

Turkish Airlines flights from Singapore to Washington, D.C.

Our best Turkish Airlines deals on Singapore to Washington, D.C. flight tickets
Turkish Airlines
May 17
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
May 21
IAD1:20 pmWashington, D.C. Dulles Intl
32h 10m
1 stop
SIN9:30 amSingapore Changi
$1,060
Turkish Airlines
Jun 29
SIN11:10 amSingapore Changi
36h 25m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Aug 3
IAD1:20 pmWashington, D.C. Dulles Intl
32h 10m
1 stop
SIN9:30 amSingapore Changi
$1,145
Turkish Airlines
May 14
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Aug 8
IAD1:20 pmWashington, D.C. Dulles Intl
32h 10m
1 stop
SIN9:30 amSingapore Changi
$1,164

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 March 21, 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
Quickest round-trip

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 4/17

9:00 am-7:30 pm

1 stop22h 30m

Washington, D.C. Dulles Intl

Fri 4/24

11:00 pm-4:25 pm

1 stop29h 25m

$931

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4/16

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Tue 4/21

11:00 pm-9:55 pm

1 stop34h 55m

$1,021

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 5/17

10:25 am-11:35 am

1 stop37h 10m

Washington, D.C. Dulles Intl

Thu 5/21

1:20 pm-9:30 am

1 stop32h 10m

$1,060

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 4/17

9:00 am-7:30 pm

1 stop22h 30m

Washington, D.C. Dulles Intl

Fri 4/24

11:00 pm-4:25 pm

1 stop29h 25m

$1,076

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4/16

6:10 pm-7:30 pm

2 stops37h 20m

Washington, D.C. Dulles Intl

Tue 4/21

11:00 pm-9:55 pm

1 stop34h 55m

$1,080

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 5/2

2:35 am-9:45 am

2 stops43h 10m

Washington, D.C. Dulles Intl

Sun 5/10

3:10 pm-9:40 am

1 stop30h 30m

$1,087

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Tue 9/1

3:20 pm-6:21 am

2 stops27h 01m

Baltimore/Washington

Wed 9/30

6:11 pm-1:55 pm

2 stops31h 44m

$1,089

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 5/4

9:00 am-1:24 am

1 stop28h 24m

Washington, D.C. Dulles Intl

Mon 5/11

10:30 pm-6:35 pm

2 stops32h 05m

$1,104

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 9/1

2:10 pm-7:28 am

2 stops29h 18m

Washington, D.C. Dulles Intl

Wed 9/30

5:38 pm-12:40 pm

2 stops31h 02m

$1,109

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 9/1

8:35 pm-4:56 pm

1 stop32h 21m

Washington, D.C. Reagan-National

Wed 9/30

12:40 pm-6:15 am

2 stops29h 35m

$1,130

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 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 25% 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 March 2026, prices for Singapore to Washington, D.C. flights are approximately 31% 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 12m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 22h 12m
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 12m.

  • 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.

  • What is the most popular airline from Singapore to Washington, D.C.?

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
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Linthicum Heights
Bethesda
Fairfax
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.

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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