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Cheap flights from Singapore to Washington, D.C. from $617

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 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Japan Airlines Logo
9:50 pm - 4:29 pm
SIN
-
DCA
30h 39m
2 stops
Japan Airlines Logo
6:00 am - 6:10 am
DCA
-
SIN
36h 10m
2 stops
$1,109Japan Airlines
Mon, Oct 5 - Thu, Oct 22
Japan Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
Japan Airlines Logo
8:26 am - 12:20 am
DCA
-
SIN
27h 54m
2 stops
$1,112Japan Airlines
Thu, Aug 27 - Fri, Sep 4
Japan Airlines Logo
9:50 pm - 4:29 pm
SIN
-
DCA
30h 39m
2 stops
Japan Airlines Logo
10:17 am - 6:10 am
DCA
-
SIN
31h 53m
2 stops
$1,113Japan Airlines
Tue, Sep 8 - Tue, Sep 22
Japan Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
Japan Airlines Logo
5:55 pm - 6:35 am
DCA
-
SIN
48h 40m
2 stops
$1,114Japan Airlines
Sun, Oct 4 - Thu, Oct 22
Japan Airlines Logo
9:50 pm - 4:29 pm
SIN
-
DCA
30h 39m
2 stops
Japan Airlines Logo
6:00 am - 6:10 am
DCA
-
SIN
36h 10m
2 stops
$1,114Japan Airlines
Mon, Oct 5 - Thu, Oct 22
Japan Airlines Logo
9:50 pm - 4:29 pm
SIN
-
DCA
30h 39m
2 stops
Japan Airlines Logo
6:00 am - 6:10 am
DCA
-
SIN
36h 10m
2 stops
$1,114Japan Airlines
Tue, Oct 6 - Thu, Oct 22
Japan Airlines Logo
1:55 am - 4:29 pm
SIN
-
DCA
26h 34m
2 stops
Japan Airlines Logo
6:23 pm - 5:45 pm
DCA
-
SIN
35h 22m
2 stops
$1,116Japan Airlines
Wed, Sep 2 - Tue, Sep 8
Japan Airlines Logo
9:50 pm - 4:29 pm
SIN
-
DCA
30h 39m
2 stops
Japan Airlines Logo
8:26 am - 12:20 am
DCA
-
SIN
27h 54m
2 stops
$1,116Japan Airlines
Tue, Sep 1 - Fri, Sep 4
Japan Airlines Logo
9:50 pm - 4:29 pm
SIN
-
DCA
30h 39m
2 stops
Japan Airlines Logo
6:23 pm - 6:10 am
DCA
-
SIN
47h 47m
2 stops
$1,119Japan Airlines
Thu, Sep 3 - Tue, Sep 8
Japan Airlines Logo
8:05 am - 9:59 pm
SIN
-
DCA
25h 54m
2 stops
Japan Airlines Logo
8:26 am - 12:20 am
DCA
-
SIN
27h 54m
2 stops
$1,153Japan Airlines
Thu, Sep 17 - Thu, Sep 24

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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
Oct 5
SIN9:50 pmSingapore Changi
30h 39m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National
Oct 22
DCA6:00 amWashington, D.C. Reagan-National
36h 10m
2 stops
SIN6:10 amSingapore Changi
$1,109
Japan Airlines
Aug 27
SIN1:55 amSingapore Changi
26h 34m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National
Sep 4
DCA8:26 amWashington, D.C. Reagan-National
27h 54m
2 stops
SIN12:20 amSingapore Changi
$1,112
Japan Airlines
Sep 8
SIN9:50 pmSingapore Changi
30h 39m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National
Sep 22
DCA10:17 amWashington, D.C. Reagan-National
31h 53m
2 stops
SIN6:10 amSingapore Changi
$1,113

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

Our best American Airlines deals on Singapore to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Dec 16
SIN2:20 amSingapore Changi
23h 38m
2 stops
DCA12:58 pmWashington, D.C. Reagan-National
Jan 8
DCA8:34 amWashington, D.C. Reagan-National
27h 16m
2 stops
SIN12:50 amSingapore Changi
$1,159
American Airlines
Dec 16
SIN2:20 amSingapore Changi
23h 38m
2 stops
DCA12:58 pmWashington, D.C. Reagan-National
Jan 8
DCA8:34 amWashington, D.C. Reagan-National
27h 16m
2 stops
SIN12:50 amSingapore Changi
$1,160
American Airlines
Sep 2
SIN1:55 amSingapore Changi
26h 34m
2 stops
DCA4:29 pmWashington, D.C. Reagan-National
Sep 8
DCA8:26 amWashington, D.C. Reagan-National
27h 54m
2 stops
SIN12:20 amSingapore Changi
$1,161

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 August 4, 2026.
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

Cheapest round-trip

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 10/5

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Thu 10/22

6:00 am-6:10 am

2 stops36h 10m

$1,109

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 8/27

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Fri 9/4

8:26 am-12:20 am

2 stops27h 54m

$1,112

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 9/8

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Tue 9/22

10:17 am-6:10 am

2 stops31h 53m

$1,113

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 10/4

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Thu 10/22

5:55 pm-6:35 am

2 stops48h 40m

$1,114

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 10/5

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Thu 10/22

6:00 am-6:10 am

2 stops36h 10m

$1,114

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 10/6

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Thu 10/22

6:00 am-6:10 am

2 stops36h 10m

$1,114

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 9/2

1:55 am-4:29 pm

2 stops26h 34m

Washington, D.C. Reagan-National

Tue 9/8

6:23 pm-5:45 pm

2 stops35h 22m

$1,116

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Tue 9/1

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Fri 9/4

8:26 am-12:20 am

2 stops27h 54m

$1,116

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 9/3

9:50 pm-4:29 pm

2 stops30h 39m

Washington, D.C. Reagan-National

Tue 9/8

6:23 pm-6:10 am

2 stops47h 47m

$1,119
Quickest round-trip

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 9/17

8:05 am-9:59 pm

2 stops25h 54m

Washington, D.C. Reagan-National

Thu 9/24

8:26 am-12:20 am

2 stops27h 54m

$1,153

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. 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 30% 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

Fastest flight time

24h 44m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. Reagan-National Airport takes 24h 44m
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.
Search flight deals

Frequently asked questions about flying from Singapore to Washington, D.C. Reagan-National Airport

  • 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 24h 44m.

  • 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
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood
Bethesda
Glen Burnie

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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