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Cheap flights from Singapore to Washington, D.C. from $450

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 6/11. 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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Find the cheapest flights from Singapore to Washington, D.C.

Recent round-trip flight deals from Singapore to Washington, D.C.

Enter your travel dates to find the best prices.
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
$1,010Air China
Mon, Jun 8 - Tue, Jun 23
Air China Logo
11:55 pm - 6:30 pm
SIN
-
IAD
31h 35m
1 stop
Air China Logo
10:00 pm - 6:50 am
IAD
-
SIN
43h 50m
1 stop
$1,046Air China
Mon, Nov 2 - Tue, Dec 8
Air China Logo
11:55 pm - 7:30 pm
SIN
-
IAD
31h 35m
1 stop
Air China Logo
10:00 pm - 6:50 am
IAD
-
SIN
43h 50m
1 stop
$1,069Air China
Thu, Oct 29 - Tue, Dec 8
Multiple Airlines Logo
11:25 pm - 7:30 pm
SIN
-
IAD
32h 05m
1 stop
Multiple Airlines Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
$1,144Multiple Airlines
Mon, Jul 6 - Sun, Jul 19
Multiple Airlines Logo
2:00 am - 5:40 am
SIN
-
IAD
39h 40m
2 stops
Multiple Airlines Logo
7:00 am - 12:35 pm
IAD
-
SIN
41h 35m
2 stops
$1,150Multiple Airlines
Sun, Sep 27 - Sat, Oct 10
Japan Airlines Logo
8:05 am - 10:19 pm
SIN
-
DCA
26h 14m
2 stops
Japan Airlines Logo
6:00 am - 6:10 am
DCA
-
SIN
36h 10m
2 stops
$1,153Japan Airlines
Tue, Jun 9 - Mon, Jun 29
Japan Airlines Logo
9:50 pm - 11:14 pm
SIN
-
DCA
37h 24m
2 stops
Japan Airlines Logo
6:00 am - 6:10 am
DCA
-
SIN
36h 10m
2 stops
$1,159Japan Airlines
Mon, Jun 22 - Mon, Jun 29
American Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
American Airlines Logo
8:20 am - 12:20 am
DCA
-
SIN
28h 00m
2 stops
$1,168American Airlines
Mon, Aug 31 - Wed, Sep 30
American Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
American Airlines Logo
7:30 am - 12:20 am
DCA
-
SIN
28h 50m
2 stops
$1,171American Airlines
Mon, Aug 31 - Wed, Sep 30
United Airlines Logo
10:10 am - 5:52 am
SIN
-
BWI
32h 42m
1 stop
United Airlines Logo
6:31 pm - 8:00 am
BWI
-
SIN
24h 29m
1 stop
$1,374United Airlines
Mon, Nov 2 - Sun, Dec 6

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 19
SIN9:00 amSingapore Changi
34h 28m
2 stops
IAD7:28 amWashington, D.C. Dulles Intl
May 25
IAD6:30 amWashington, D.C. Dulles Intl
24h 05m
1 stop
SIN6:35 pmSingapore Changi
$1,285
United Airlines
Jun 8
SIN8:35 pmSingapore Changi
26h 53m
2 stops
IAD11:28 amWashington, D.C. Dulles Intl
Jul 7
IAD10:21 pmWashington, D.C. Dulles Intl
32h 14m
1 stop
SIN6:35 pmSingapore Changi
$1,288
United Airlines
Jun 9
SIN8:45 amSingapore Changi
38h 43m
2 stops
IAD11:28 amWashington, D.C. Dulles Intl
Jun 29
IAD8:00 pmWashington, D.C. Dulles Intl
34h 35m
1 stop
SIN6:35 pmSingapore Changi
$1,360

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

Our best Turkish Airlines deals on Singapore to Washington, D.C. flight tickets
Turkish Airlines
Jun 9
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Jun 29
IAD9:45 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:30 amSingapore Changi
$1,371
Turkish Airlines
Jun 9
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Jun 29
IAD9:45 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:30 amSingapore Changi
$1,374
Turkish Airlines
Jun 9
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
Jun 29
IAD9:45 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:30 amSingapore Changi
$1,381

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 May 14, 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

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 6/8

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

Tue 6/23

11:00 pm-9:55 pm

1 stop34h 55m

$1,010

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 11/2

11:55 pm-6:30 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Tue 12/8

10:00 pm-6:50 am

1 stop43h 50m

$1,046

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 10/29

11:55 pm-7:30 pm

1 stop31h 35m

Washington, D.C. Dulles Intl

Tue 12/8

10:00 pm-6:50 am

1 stop43h 50m

$1,069

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 7/6

11:25 pm-7:30 pm

1 stop32h 05m

Washington, D.C. Dulles Intl

Sun 7/19

3:10 pm-9:40 am

1 stop30h 30m

$1,144

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 9/27

2:00 am-5:40 am

2 stops39h 40m

Washington, D.C. Dulles Intl

Sat 10/10

7:00 am-12:35 pm

2 stops41h 35m

$1,150

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 6/9

8:05 am-10:19 pm

2 stops26h 14m

Washington, D.C. Reagan-National

Mon 6/29

6:00 am-6:10 am

2 stops36h 10m

$1,153

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 6/22

9:50 pm-11:14 pm

2 stops37h 24m

Washington, D.C. Reagan-National

Mon 6/29

6:00 am-6:10 am

2 stops36h 10m

$1,159
Quickest round-trip

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 8/31

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Wed 9/30

8:20 am-12:20 am

2 stops28h 00m

$1,168

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 8/31

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Wed 9/30

7:30 am-12:20 am

2 stops28h 50m

$1,171

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Mon 11/2

10:10 am-5:52 am

1 stop32h 42m

Baltimore/Washington

Sun 12/6

6:31 pm-8:00 am

1 stop24h 29m

$1,374

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 February is, on average, the cheapest month to fly to Washington, D.C. from Singapore, with most prices found around $760. If you’re not able to fly to Washington, D.C. in February, then October is your next best option. Flight prices from Singapore to Washington, D.C. during October average around $777.

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

You could potentially save up to 29% on your flight if you consider stops on a Singapore to Washington, D.C. flight.

Cheap Singapore to Washington, D.C. 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

21h 15m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 21h 15m
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

Frequently asked questions about flying from Singapore to Washington, D.C.

  • When did momondo last update prices for flights from Singapore to Washington, D.C.?

    Prices for flights from Singapore to Washington, D.C. were last updated today.

  • How many operators does momondo search for flights from Singapore to Washington, D.C.?

  • How old do you have to be to fly from Singapore to Washington, D.C.?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore 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.

Best airlines flying from Singapore to Washington, D.C.

Compare and see reviews for airlines that fly from Singapore to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $1,079Free CancellationRating
7.3
149 reviews
Search Air China flights

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
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Linthicum Heights
Tysons
Bethesda
Springfield
Fairfax
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Singapore to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Singapore to Washington, D.C. with flexible booking policies on momondo?

Flights from Singapore to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Singapore to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Singapore.

I’m not ready to book a flight from Singapore to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Singapore to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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.
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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