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Cheap flights from Singapore to Washington, D.C. from $430

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 3/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
5:50 pm - 7:30 pm
SIN
-
IAD
37h 40m
2 stops
Multiple Airlines Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
$999Multiple Airlines
Per, Mar 26 - Cmt, Nis 4
Air China Logo
6:40 pm - 7:30 pm
SIN
-
IAD
60h 50m
2 stops
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$1,004Air China
Çar, Mar 25 - Sal, Nis 7
Turkish Airlines Logo
11:40 am - 12:45 pm
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
9:45 pm - 8:45 am
IAD
-
SIN
23h 00m
1 stop
$1,007Turkish Airlines
Çar, Mar 25 - Çar, Nis 8
Turkish Airlines Logo
10:15 am - 7:20 pm
SIN
-
IAD
46h 05m
1 stop
Turkish Airlines Logo
2:30 pm - 10:00 am
IAD
-
SIN
31h 30m
1 stop
$1,008Turkish Airlines
Paz, Mar 8 - Pzt, Mar 23
Turkish Airlines Logo
10:15 am - 7:20 pm
SIN
-
IAD
46h 05m
1 stop
Turkish Airlines Logo
2:30 pm - 10:00 am
IAD
-
SIN
31h 30m
1 stop
$1,009Turkish Airlines
Paz, Mar 8 - Pzt, Mar 23
United Airlines Logo
9:00 am - 10:30 pm
SIN
-
DCA
25h 30m
1 stop
United Airlines Logo
11:05 am - 6:45 am
DCA
-
SIN
31h 40m
2 stops
$1,140United Airlines
Pzt, May 4 - Cum, May 8
United Airlines Logo
10:20 pm - 4:53 pm
SIN
-
DCA
30h 33m
1 stop
United Airlines Logo
11:05 am - 6:45 am
DCA
-
SIN
31h 40m
2 stops
$1,141United Airlines
Sal, Mar 24 - Sal, Mar 31
Air Canada Logo
8:10 am - 10:28 pm
SIN
-
DCA
26h 18m
2 stops
Air Canada Logo
11:00 am - 5:15 am
DCA
-
SIN
30h 15m
2 stops
$1,168Air Canada
Çar, May 20 - Sal, May 26
Air Canada Logo
8:10 am - 8:53 am
SIN
-
DCA
36h 43m
2 stops
Air Canada Logo
8:40 pm - 5:15 am
DCA
-
SIN
44h 35m
2 stops
$1,201Air Canada
Çar, May 20 - Çar, May 27
Japan Airlines Logo
8:05 am - 9:59 pm
SIN
-
DCA
25h 54m
2 stops
Japan Airlines Logo
6:00 am - 5:45 pm
DCA
-
SIN
47h 45m
2 stops
$1,244Japan Airlines
Çar, Haz 3 - Çar, Haz 24

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
SIN8:35 pmSingapore Changi
22h 27m
1 stop
IAD7:02 amWashington, D.C. Dulles Intl
May 8
IAD12:50 pmWashington, D.C. Dulles Intl
29h 55m
2 stops
SIN6:45 amSingapore Changi
$1,140
United Airlines
Apr 8
SIN9:00 amSingapore Changi
28h 25m
1 stop
IAD1:25 amWashington, D.C. Dulles Intl
Apr 15
IAD12:55 pmWashington, D.C. Dulles Intl
29h 50m
2 stops
SIN6:45 amSingapore Changi
$1,141
United Airlines
Mar 25
SIN10:20 pmSingapore Changi
30h 33m
1 stop
DCA4:53 pmWashington, D.C. Reagan-National
Apr 8
DCA2:33 pmWashington, D.C. Reagan-National
28h 12m
2 stops
SIN6:45 amSingapore Changi
$1,143

Qatar Airways flights from Singapore to Washington, D.C.

Our best Qatar Airways deals on Singapore to Washington, D.C. flight tickets
Qatar Airways
Mar 1
SIN8:15 pmSingapore Changi
32h 40m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Apr 30
IAD11:00 amWashington, D.C. Dulles Intl
22h 15m
1 stop
SIN9:15 pmSingapore Changi
$1,455
Qatar Airways
Mar 1
SIN9:20 pmSingapore Changi
31h 35m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Apr 30
IAD8:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN3:45 pmSingapore Changi
$1,563
Qatar Airways
Mar 1
SIN9:20 pmSingapore Changi
31h 35m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Apr 30
IAD8:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN3:45 pmSingapore Changi
$1,564

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 Şubat 22, 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

Per 3/26

5:50 pm-7:30 pm

2 stops37h 40m

Washington, D.C. Dulles Intl

Cmt 4/4

3:10 pm-9:40 am

1 stop30h 30m

$999

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Çar 3/25

6:40 pm-7:30 pm

2 stops60h 50m

Washington, D.C. Dulles Intl

Sal 4/7

11:00 pm-4:25 pm

1 stop29h 25m

$1,004

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Çar 3/25

11:40 am-12:45 pm

1 stop37h 05m

Washington, D.C. Dulles Intl

Çar 4/8

9:45 pm-8:45 am

1 stop23h 00m

$1,007

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Paz 3/8

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Pzt 3/23

2:30 pm-10:00 am

1 stop31h 30m

$1,008

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Paz 3/8

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Pzt 3/23

2:30 pm-10:00 am

1 stop31h 30m

$1,009

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Pzt 5/4

9:00 am-10:30 pm

1 stop25h 30m

Washington, D.C. Reagan-National

Cum 5/8

11:05 am-6:45 am

2 stops31h 40m

$1,140

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sal 3/24

10:20 pm-4:53 pm

1 stop30h 33m

Washington, D.C. Reagan-National

Sal 3/31

11:05 am-6:45 am

2 stops31h 40m

$1,141

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Çar 5/20

8:10 am-10:28 pm

2 stops26h 18m

Washington, D.C. Reagan-National

Sal 5/26

11:00 am-5:15 am

2 stops30h 15m

$1,168

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Çar 5/20

8:10 am-8:53 am

2 stops36h 43m

Washington, D.C. Reagan-National

Çar 5/27

8:40 pm-5:15 am

2 stops44h 35m

$1,201

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Çar 6/3

8:05 am-9:59 pm

2 stops25h 54m

Washington, D.C. Reagan-National

Çar 6/24

6:00 am-5:45 pm

2 stops47h 45m

$1,244

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 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

25h 17m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 25h 17m
There are no direct flights from Singapore to Washington, D.C.. There are no popular flight routes from Singapore to Washington, D.C..
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  • 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 25h 17m.

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

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Sal 3/24
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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