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Cheap flights from Singapore to Washington, D.C. from $440

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 1/15. 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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IndiGo Logo
11:15 am - 7:20 pm
SIN
-
IAD
45h 05m2 stops
IndiGo Logo
9:15 pm - 9:15 am
IAD
-
SIN
47h 00m2 stops
$910IndiGo
Sun, Jan 25 - Sun, Feb 1
Etihad Airways Logo
7:25 pm - 9:05 am
SIN
-
IAD
26h 40m1 stop
Etihad Airways Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m1 stop
$928Etihad Airways
Sun, Jan 25 - Sun, Feb 1
Etihad Airways Logo
7:25 pm - 9:05 am
SIN
-
IAD
26h 40m1 stop
Etihad Airways Logo
3:35 pm - 9:15 am
IAD
-
SIN
29h 40m1 stop
$943Etihad Airways
Sun, Mar 1 - Thu, Apr 30
Turkish Airlines Logo
10:15 am - 11:45 am
SIN
-
IAD
38h 30m1 stop
Turkish Airlines Logo
9:15 pm - 8:35 am
IAD
-
SIN
22h 20m1 stop
$997Turkish Airlines
Sun, Jan 25 - Sun, Feb 1
Air Canada Logo
8:50 am - 9:56 pm
SIN
-
DCA
26h 06m2 stops
Air Canada Logo
9:40 am - 6:55 am
DCA
-
SIN
32h 15m2 stops
$1,006Air Canada
Thu, Feb 12 - Mon, Feb 16
Air Canada Logo
8:50 am - 8:54 pm
SIN
-
IAD
25h 04m2 stops
Air Canada Logo
9:00 am - 12:55 am
IAD
-
SIN
27h 55m2 stops
$1,011Air Canada
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
11:15 am - 7:20 pm
SIN
-
IAD
45h 05m2 stops
Multiple Airlines Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m1 stop
$1,072Multiple Airlines
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
2:25 pm - 5:56 pm
SIN
-
DCA
40h 31m2 stops
Multiple Airlines Logo
5:00 pm - 1:05 pm
DCA
-
SIN
31h 05m2 stops
$1,139Multiple Airlines
Thu, Feb 5 - Sun, Feb 15
Japan Airlines Logo
10:25 pm - 12:44 pm
SIN
-
DCA
27h 19m2 stops
Japan Airlines Logo
7:00 am - 6:35 am
DCA
-
SIN
34h 35m2 stops
$1,167Japan Airlines
Sun, Jan 25 - Sun, Feb 1
Japan Airlines Logo
10:25 pm - 6:44 pm
SIN
-
DCA
33h 19m2 stops
Japan Airlines Logo
6:10 am - 6:35 am
DCA
-
SIN
35h 25m2 stops
$1,168Japan Airlines
Sun, Jan 25 - Sun, Feb 1

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

Our best Turkish Airlines deals on Singapore to Washington, D.C. flight tickets
Turkish Airlines
Jan 25
SIN10:15 amSingapore Changi
38h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Feb 1
IAD9:15 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
SIN8:35 amSingapore Changi
$997
Find similar
Turkish Airlines
Mar 5
SIN10:15 amSingapore Changi
38h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Mar 9
IAD10:15 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN10:00 amSingapore Changi
$1,145
Find similar
Turkish Airlines
Jan 11
SIN10:25 amSingapore Changi
45h 55m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
Jan 22
IAD9:15 pmWashington, D.C. Dulles Intl
22h 20m
1 stop
SIN8:35 amSingapore Changi
$4,655
Find similar

Delta flights from Singapore to Washington, D.C.

Our best Delta deals on Singapore to Washington, D.C. flight tickets
Delta
May 14
SIN7:30 amSingapore Changi
39h 45m
1 stop
IAD11:15 amWashington, D.C. Dulles Intl
Aug 8
IAD7:10 amWashington, D.C. Dulles Intl
33h 50m
2 stops
SIN5:00 amSingapore Changi
$1,385
Find similar
Delta
May 14
SIN7:30 amSingapore Changi
39h 45m
1 stop
IAD11:15 amWashington, D.C. Dulles Intl
Aug 8
IAD7:15 amWashington, D.C. Dulles Intl
28h 25m
2 stops
SIN11:40 pmSingapore Changi
$1,386
Find similar
Delta
Feb 28
SIN1:35 amSingapore Changi
33h 58m
2 stops
DCA10:33 pmWashington, D.C. Reagan-National
Apr 30
DCA7:59 amWashington, D.C. Reagan-National
33h 01m
2 stops
SIN5:00 amSingapore Changi
$1,489
Find similar

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 December 28, 2025.
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

Sun 1/25

11:15 am-7:20 pm

2 stops45h 05m

Washington, D.C. Dulles Intl

Sun 2/1

9:15 pm-9:15 am

2 stops47h 00m

$910

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1/25

7:25 pm-9:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Sun 2/1

2:35 pm-9:35 am

1 stop30h 00m

$928

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/1

7:25 pm-9:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 4/30

3:35 pm-9:15 am

1 stop29h 40m

$943

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1/25

10:15 am-11:45 am

1 stop38h 30m

Washington, D.C. Dulles Intl

Sun 2/1

9:15 pm-8:35 am

1 stop22h 20m

$997

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 2/12

8:50 am-9:56 pm

2 stops26h 06m

Washington, D.C. Reagan-National

Mon 2/16

9:40 am-6:55 am

2 stops32h 15m

$1,006

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/5

8:50 am-8:54 pm

2 stops25h 04m

Washington, D.C. Dulles Intl

Mon 3/9

9:00 am-12:55 am

2 stops27h 55m

$1,011

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1/25

11:15 am-7:20 pm

2 stops45h 05m

Washington, D.C. Dulles Intl

Sun 2/1

2:35 pm-9:35 am

1 stop30h 00m

$1,072

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 2/5

2:25 pm-5:56 pm

2 stops40h 31m

Washington, D.C. Reagan-National

Sun 2/15

5:00 pm-1:05 pm

2 stops31h 05m

$1,139

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 1/25

10:25 pm-12:44 pm

2 stops27h 19m

Washington, D.C. Reagan-National

Sun 2/1

7:00 am-6:35 am

2 stops34h 35m

$1,167

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 1/25

10:25 pm-6:44 pm

2 stops33h 19m

Washington, D.C. Reagan-National

Sun 2/1

6:10 am-6:35 am

2 stops35h 25m

$1,168

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 $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.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Singapore to Washington, D.C. when you can find flight prices for as low as $1,059. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $1,410. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Singapore to Washington, D.C. flights?

You could potentially save up to 5% 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 December 2025, prices for Singapore to Washington, D.C. flights are approximately 19% 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
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

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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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