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Cheap flights from Singapore to Washington, D.C. from $597

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 12/22. 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

Air Canada Logo
9:10 am - 8:59 amSIN-DCA
35h 49m2 stops
Air Canada Logo
6:00 am - 7:05 amDCA-SIN
37h 05m2 stops
$981Air Canada
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Tue, Oct 7 - Thu, Oct 16
Air Canada Logo
9:10 am - 8:59 amSIN-DCA
35h 49m2 stops
Air Canada Logo
6:00 am - 7:05 amDCA-SIN
37h 05m2 stops
$985Air Canada
Find Deal
Thu, Oct 16 - Fri, Oct 24
Delta Logo
1:35 am - 10:40 pmSIN-DCA
33h 05m2 stops
Delta Logo
6:19 am - 12:10 amDCA-SIN
28h 51m2 stops
$995Delta
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Tue, Oct 28 - Wed, Nov 5
Delta Logo
1:35 am - 8:33 pmSIN-DCA
30h 58m2 stops
Delta Logo
8:59 am - 12:10 amDCA-SIN
26h 11m2 stops
$1,104Delta
Find Deal
Wed, Oct 29 - Thu, Nov 6
Multiple Airlines Logo
1:45 pm - 9:14 pmSIN-DCA
43h 29m2 stops
Multiple Airlines Logo
6:59 pm - 12:35 pmDCA-SIN
29h 36m2 stops
$1,143Multiple Airlines
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Sat, Oct 4 - Tue, Oct 7
United Airlines Logo
8:45 am - 9:51 pmSIN-DCA
25h 06m1 stop
United Airlines Logo
2:00 pm - 6:15 amDCA-SIN
28h 15m2 stops
$1,182United Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
United Airlines Logo
8:45 am - 9:51 pmSIN-DCA
25h 06m1 stop
United Airlines Logo
1:00 pm - 6:15 amDCA-SIN
29h 15m2 stops
$1,183United Airlines
Find Deal
Tue, Oct 7 - Thu, Oct 16
Japan Airlines Logo
8:15 am - 9:55 pmSIN-DCA
25h 40m2 stops
Japan Airlines Logo
2:54 pm - 6:35 amDCA-SIN
27h 41m2 stops
$1,235Japan Airlines
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Thu, Mar 12 - Mon, Mar 16
Multiple Airlines Logo
11:20 pm - 9:56 pmSIN-DCA
34h 36m2 stops
Multiple Airlines Logo
6:00 am - 5:15 amDCA-SIN
34h 15m3 stops
$1,255Multiple Airlines
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Wed, Oct 29 - Wed, Nov 5
Japan Airlines Logo
2:20 am - 1:44 pmSIN-DCA
23h 24m2 stops
Japan Airlines Logo
2:54 pm - 6:35 amDCA-SIN
27h 41m2 stops
$1,411Japan Airlines
Find Deal
Wed, Mar 11 - Mon, Mar 16

Japan Airlines flights from Singapore to Washington, D.C. Reagan-National Airport

Our best Japan Airlines deals on Singapore to Washington, D.C. Reagan-National Airport flight tickets
Japan Airlines
Mar 12
SIN8:15 amSingapore Changi
25h 40m
2 stops
DCA9:55 pmWashington, D.C. Reagan-National
Mar 16
DCA2:54 pmWashington, D.C. Reagan-National
27h 41m
2 stops
SIN6:35 amSingapore Changi
$1,235
Find similar
Japan Airlines
Mar 11
SIN2:20 amSingapore Changi
23h 24m
2 stops
DCA1:44 pmWashington, D.C. Reagan-National
Mar 16
DCA2:54 pmWashington, D.C. Reagan-National
27h 41m
2 stops
SIN6:35 amSingapore Changi
$1,411
Find similar
Japan Airlines
Sep 28
SIN9:50 pmSingapore Changi
30h 32m
2 stops
DCA4:22 pmWashington, D.C. Reagan-National
Oct 19
DCA10:45 pmWashington, D.C. Reagan-National
43h 25m
2 stops
SIN6:10 amSingapore Changi
$1,711
Find similar

United Airlines flights from Singapore to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Singapore to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Oct 13
SIN8:45 amSingapore Changi
25h 06m
1 stop
DCA9:51 pmWashington, D.C. Reagan-National
Oct 20
DCA2:00 pmWashington, D.C. Reagan-National
28h 15m
2 stops
SIN6:15 amSingapore Changi
$1,182
Find similar
United Airlines
Oct 7
SIN8:45 amSingapore Changi
25h 06m
1 stop
DCA9:51 pmWashington, D.C. Reagan-National
Oct 16
DCA1:00 pmWashington, D.C. Reagan-National
29h 15m
2 stops
SIN6:15 amSingapore Changi
$1,183
Find similar
United Airlines
Oct 17
SIN8:40 pmSingapore Changi
26h 03m
2 stops
DCA10:43 amWashington, D.C. Reagan-National
Oct 27
DCA7:00 amWashington, D.C. Reagan-National
36h 00m
1 stop
SIN7:00 amSingapore Changi
$1,184
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Singapore to Washington, D.C. Reagan-National Airport 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 September 16, 2025.
Use the filters below to find and compare flights from Singapore to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 10/7

9:10 am-8:59 am

2 stops35h 49m

Washington, D.C. Reagan-National

Thu 10/16

6:00 am-7:05 am

2 stops37h 05m

$981

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 10/16

9:10 am-8:59 am

2 stops35h 49m

Washington, D.C. Reagan-National

Fri 10/24

6:00 am-7:05 am

2 stops37h 05m

$985

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 10/28

1:35 am-10:40 pm

2 stops33h 05m

Washington, D.C. Reagan-National

Wed 11/5

6:19 am-12:10 am

2 stops28h 51m

$995

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 10/29

1:35 am-8:33 pm

2 stops30h 58m

Washington, D.C. Reagan-National

Thu 11/6

8:59 am-12:10 am

2 stops26h 11m

$1,104

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sat 10/4

1:45 pm-9:14 pm

2 stops43h 29m

Washington, D.C. Reagan-National

Tue 10/7

6:59 pm-12:35 pm

2 stops29h 36m

$1,143

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 10/13

8:45 am-9:51 pm

1 stop25h 06m

Washington, D.C. Reagan-National

Mon 10/20

2:00 pm-6:15 am

2 stops28h 15m

$1,182

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 10/7

8:45 am-9:51 pm

1 stop25h 06m

Washington, D.C. Reagan-National

Thu 10/16

1:00 pm-6:15 am

2 stops29h 15m

$1,183

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 3/12

8:15 am-9:55 pm

2 stops25h 40m

Washington, D.C. Reagan-National

Mon 3/16

2:54 pm-6:35 am

2 stops27h 41m

$1,235

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 10/29

11:20 pm-9:56 pm

2 stops34h 36m

Washington, D.C. Reagan-National

Wed 11/5

6:00 am-5:15 am

3 stops34h 15m

$1,255

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 3/11

2:20 am-1:44 pm

2 stops23h 24m

Washington, D.C. Reagan-National

Mon 3/16

2:54 pm-6:35 am

2 stops27h 41m

$1,411

Flights are sorted by cheapest round-trip flights 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. Reagan-National Airport

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

Can stopping save me money on Singapore to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 53% on your flight if you consider stops on a Singapore to Washington, D.C. Reagan-National Airport flight.

When to book flights from Singapore to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Singapore to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (SIN to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Washington, D.C. Reagan-National Airport

Direct flights

None
There are no direct flights from Singapore to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Singapore to Washington, D.C. Reagan-National Airport.
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  • How far is Singapore Changi to Washington, D.C. Reagan-National by plane?

    There are 9654.9 mi between Singapore Changi and Washington, D.C. Reagan-National. By plane, this route typically takes 23h 24m.

  • When did momondo last update prices for flights from Singapore Changi Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Singapore Changi Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Singapore Changi Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Singapore Changi Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The travel and health documents required for your trip to Washington, D.C. Reagan-National Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Reagan-National Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

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?

Yes. All flights to Washington, D.C. from Singapore on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

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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