Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Singapore to Washington, D.C. from $504

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 12/4. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Air Canada Logo
8:50 am - 10:26 amSIN-DCA
37h 36m2 stops
Air Canada Logo
4:10 pm - 7:00 amDCA-SIN
49h 50m2 stops
$861Air Canada
Find Deal
Sun, Oct 26 - Sat, Nov 8
Air Canada Logo
6:15 am - 9:51 pmSIN-DCA
27h 36m2 stops
Air Canada Logo
6:59 am - 12:45 amDCA-SIN
29h 46m2 stops
$864Air Canada
Find Deal
Thu, Sep 4 - Thu, Sep 18
Logo
2:00 am - 4:49 pmSIN-DCA
50h 49m2 stops
Logo
8:00 am - 12:35 pmDCA-SIN
40h 35m2 stops
$1,094
Find Deal
Wed, Sep 3 - Thu, Sep 18
Logo
2:00 am - 4:49 pmSIN-DCA
50h 49m2 stops
Logo
5:06 pm - 12:35 pmDCA-SIN
31h 29m2 stops
$1,100
Find Deal
Wed, Sep 3 - Thu, Sep 18
Japan Airlines Logo
1:55 am - 4:22 pmSIN-DCA
26h 27m2 stops
Japan Airlines Logo
10:45 pm - 5:30 pmDCA-SIN
30h 45m2 stops
$1,145Japan Airlines
Find Deal
Fri, Sep 12 - Sat, Sep 20
American Airlines Logo
1:55 am - 4:22 pmSIN-DCA
26h 27m2 stops
American Airlines Logo
6:45 am - 12:20 amDCA-SIN
29h 35m2 stops
$1,150American Airlines
Find Deal
Wed, Sep 3 - Fri, Sep 19
American Airlines Logo
1:55 am - 9:00 pmSIN-DCA
31h 05m2 stops
American Airlines Logo
6:45 am - 6:10 amDCA-SIN
35h 25m2 stops
$1,155American Airlines
Find Deal
Fri, Sep 5 - Sat, Sep 13
Japan Airlines Logo
1:55 am - 11:07 pmSIN-DCA
33h 12m2 stops
Japan Airlines Logo
6:45 am - 6:10 amDCA-SIN
35h 25m2 stops
$1,171Japan Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 14
United Airlines Logo
8:40 pm - 10:28 amSIN-DCA
25h 48m2 stops
United Airlines Logo
5:59 pm - 6:25 pmDCA-SIN
36h 26m1 stop
$1,237United Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 14
United Airlines Logo
8:45 am - 9:37 pmSIN-DCA
24h 52m1 stop
United Airlines Logo
2:00 pm - 6:15 amDCA-SIN
28h 15m2 stops
$1,273United Airlines
Find Deal
Sat, Sep 6 - Sun, Sep 14

Air Canada flights from Singapore to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on Singapore to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Oct 26
SIN8:50 amSingapore Changi
37h 36m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Nov 8
DCA4:10 pmWashington, D.C. Reagan-National
49h 50m
2 stops
SIN7:00 amSingapore Changi
$861
Find similar
Air Canada
Sep 4
SIN6:15 amSingapore Changi
27h 36m
2 stops
DCA9:51 pmWashington, D.C. Reagan-National
Sep 18
DCA6:59 amWashington, D.C. Reagan-National
29h 46m
2 stops
SIN12:45 amSingapore Changi
$864
Find similar
Air Canada
Sep 4
SIN6:15 amSingapore Changi
27h 36m
2 stops
DCA9:51 pmWashington, D.C. Reagan-National
Sep 18
DCA6:59 amWashington, D.C. Reagan-National
29h 46m
2 stops
SIN12:45 amSingapore Changi
$872
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
Sep 5
SIN8:40 pmSingapore Changi
25h 48m
2 stops
DCA10:28 amWashington, D.C. Reagan-National
Sep 14
DCA5:59 pmWashington, D.C. Reagan-National
36h 26m
1 stop
SIN6:25 pmSingapore Changi
$1,237
Find similar
United Airlines
Sep 6
SIN8:45 amSingapore Changi
24h 52m
1 stop
DCA9:37 pmWashington, D.C. Reagan-National
Sep 14
DCA2:00 pmWashington, D.C. Reagan-National
28h 15m
2 stops
SIN6:15 amSingapore Changi
$1,273
Find similar
United Airlines
Sep 14
SIN8:40 pmSingapore Changi
25h 48m
2 stops
DCA10:28 amWashington, D.C. Reagan-National
Sep 21
DCA5:59 pmWashington, D.C. Reagan-National
36h 26m
1 stop
SIN6:25 pmSingapore Changi
$1,285
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 July 31, 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

Sun 10/26

8:50 am-10:26 am

2 stops37h 36m

Washington, D.C. Reagan-National

Sat 11/8

4:10 pm-7:00 am

2 stops49h 50m

$861

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 9/4

6:15 am-9:51 pm

2 stops27h 36m

Washington, D.C. Reagan-National

Thu 9/18

6:59 am-12:45 am

2 stops29h 46m

$864

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 9/3

2:00 am-4:49 pm

2 stops50h 49m

Washington, D.C. Reagan-National

Thu 9/18

8:00 am-12:35 pm

2 stops40h 35m

$1,094

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 9/3

2:00 am-4:49 pm

2 stops50h 49m

Washington, D.C. Reagan-National

Thu 9/18

5:06 pm-12:35 pm

2 stops31h 29m

$1,100

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 9/12

1:55 am-4:22 pm

2 stops26h 27m

Washington, D.C. Reagan-National

Sat 9/20

10:45 pm-5:30 pm

2 stops30h 45m

$1,145

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Wed 9/3

1:55 am-4:22 pm

2 stops26h 27m

Washington, D.C. Reagan-National

Fri 9/19

6:45 am-12:20 am

2 stops29h 35m

$1,150

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 9/5

1:55 am-9:00 pm

2 stops31h 05m

Washington, D.C. Reagan-National

Sat 9/13

6:45 am-6:10 am

2 stops35h 25m

$1,155

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 9/4

1:55 am-11:07 pm

2 stops33h 12m

Washington, D.C. Reagan-National

Sun 9/14

6:45 am-6:10 am

2 stops35h 25m

$1,171

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 9/5

8:40 pm-10:28 am

2 stops25h 48m

Washington, D.C. Reagan-National

Sun 9/14

5:59 pm-6:25 pm

1 stop36h 26m

$1,237

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sat 9/6

8:45 am-9:37 pm

1 stop24h 52m

Washington, D.C. Reagan-National

Sun 9/14

2:00 pm-6:15 am

2 stops28h 15m

$1,273

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Best Price Found

$504

Fastest flight time

23h 33m

Direct flights

None
The best one-way flight to Washington, D.C. Reagan-National Airport from Singapore in the past 72 hours is $504. The best round-trip flight deal from Singapore to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $861.
The fastest flight from Singapore to Washington, D.C. Reagan-National Airport takes 23h 33m
There are no direct flights from Singapore to Washington, D.C. Reagan-National Airport. Popular non-direct route for this connection is Singapore Changi Airport - Washington, D.C. Reagan-National Airport.
Search flight deals

  • 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 33m.

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

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.

An easier way to manage your Washington, D.C. Reagan-National Airport 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.