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Cheap flights from Washington, D.C. to Singapore from $424

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Singapore departing on 2/28. 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 Washington, D.C. to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Singapore Airlines Logo
6:46 pm - 5:45 pm
BWI
-
SIN
33h 59m1 stop
Singapore Airlines Logo
8:45 pm - 5:23 pm
SIN
-
BWI
33h 38m1 stop
$1,017Singapore Airlines
Mon, Feb 16 - Wed, Mar 4
Singapore Airlines Logo
6:46 pm - 5:45 pm
BWI
-
SIN
34h 59m1 stop
Singapore Airlines Logo
7:00 pm - 5:23 pm
SIN
-
BWI
34h 23m1 stop
$1,051Singapore Airlines
Mon, Mar 9 - Wed, Mar 18
Singapore Airlines Logo
6:46 pm - 5:45 pm
BWI
-
SIN
33h 59m1 stop
Singapore Airlines Logo
7:00 pm - 5:23 pm
SIN
-
BWI
34h 23m1 stop
$1,056Singapore Airlines
Wed, Mar 4 - Wed, Mar 25
Singapore Airlines Logo
7:14 pm - 5:45 pm
BWI
-
SIN
33h 31m1 stop
Singapore Airlines Logo
7:00 pm - 5:23 pm
SIN
-
BWI
35h 23m1 stop
$1,098Singapore Airlines
Thu, Jan 29 - Wed, Mar 4
Japan Airlines Logo
6:00 am - 12:50 am
BWI
-
SIN
29h 50m2 stops
Japan Airlines Logo
2:20 am - 5:52 pm
SIN
-
BWI
28h 32m2 stops
$1,124Japan Airlines
Tue, Jan 20 - Tue, Jan 27
Air Canada Logo
6:59 am - 7:00 am
DCA
-
SIN
35h 01m2 stops
Air Canada Logo
6:35 am - 7:59 pm
SIN
-
DCA
26h 24m2 stops
$1,193Air Canada
Wed, Jan 21 - Fri, Feb 27
Air Canada Logo
9:45 am - 12:45 am
IAD
-
SIN
27h 00m2 stops
Air Canada Logo
7:00 am - 8:22 pm
SIN
-
IAD
25h 22m2 stops
$1,204Air Canada
Wed, May 13 - Sat, May 30
United Airlines Logo
5:59 pm - 8:00 am
DCA
-
SIN
25h 01m1 stop
United Airlines Logo
10:10 am - 9:52 pm
SIN
-
DCA
24h 42m1 stop
$1,225United Airlines
Fri, Jan 16 - Fri, Jan 23
United Airlines Logo
3:30 pm - 8:00 am
DCA
-
SIN
27h 30m2 stops
United Airlines Logo
10:10 am - 8:59 pm
SIN
-
DCA
23h 49m2 stops
$1,229United Airlines
Fri, Jan 16 - Fri, Jan 23
American Airlines Logo
1:40 pm - 6:35 am
DCA
-
SIN
27h 55m2 stops
American Airlines Logo
2:20 am - 2:24 pm
SIN
-
DCA
25h 04m2 stops
$1,235American Airlines
Sat, Jan 17 - Fri, Jan 23

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

Our best United Airlines deals on Washington, D.C. to Singapore flight tickets
United Airlines
Jan 21
BWI4:10 pmBaltimore/Washington
26h 50m
2 stops
SIN8:00 amSingapore Changi
Feb 25
SIN10:20 pmSingapore Changi
32h 00m
1 stop
BWI5:20 pmBaltimore/Washington
$1,225
Find similar
United Airlines
Jan 16
DCA3:30 pmWashington, D.C. Reagan-National
27h 30m
2 stops
SIN8:00 amSingapore Changi
Jan 23
SIN10:10 amSingapore Changi
23h 49m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
$1,229
Find similar
United Airlines
Mar 26
BWI6:31 pmBaltimore/Washington
25h 29m
1 stop
SIN8:00 amSingapore Changi
Apr 2
SIN9:00 amSingapore Changi
32h 52m
1 stop
BWI5:52 amBaltimore/Washington
$1,236
Find similar

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

Our best Singapore Airlines deals on Washington, D.C. to Singapore flight tickets
Singapore Airlines
Feb 16
BWI6:46 pmBaltimore/Washington
33h 59m
1 stop
SIN5:45 pmSingapore Changi
Mar 4
SIN8:45 pmSingapore Changi
33h 38m
1 stop
BWI5:23 pmBaltimore/Washington
$1,017
Find similar
Singapore Airlines
Mar 9
BWI6:46 pmBaltimore/Washington
34h 59m
1 stop
SIN5:45 pmSingapore Changi
Mar 18
SIN7:00 pmSingapore Changi
34h 23m
1 stop
BWI5:23 pmBaltimore/Washington
$1,051
Find similar
Singapore Airlines
Mar 4
BWI6:46 pmBaltimore/Washington
33h 59m
1 stop
SIN5:45 pmSingapore Changi
Mar 25
SIN7:00 pmSingapore Changi
34h 23m
1 stop
BWI5:23 pmBaltimore/Washington
$1,056
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Singapore 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 5, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Mon 2/16

6:46 pm-5:45 pm

1 stop33h 59m

Singapore Changi

Wed 3/4

8:45 pm-5:23 pm

1 stop33h 38m

$1,017

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Mon 3/9

6:46 pm-5:45 pm

1 stop34h 59m

Singapore Changi

Wed 3/18

7:00 pm-5:23 pm

1 stop34h 23m

$1,051

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 3/4

6:46 pm-5:45 pm

1 stop33h 59m

Singapore Changi

Wed 3/25

7:00 pm-5:23 pm

1 stop34h 23m

$1,056

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 1/29

7:14 pm-5:45 pm

1 stop33h 31m

Singapore Changi

Wed 3/4

7:00 pm-5:23 pm

1 stop35h 23m

$1,098

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 1/20

6:00 am-12:50 am

2 stops29h 50m

Singapore Changi

Tue 1/27

2:20 am-5:52 pm

2 stops28h 32m

$1,124

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 1/21

6:59 am-7:00 am

2 stops35h 01m

Singapore Changi

Fri 2/27

6:35 am-7:59 pm

2 stops26h 24m

$1,193

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 5/13

9:45 am-12:45 am

2 stops27h 00m

Singapore Changi

Sat 5/30

7:00 am-8:22 pm

2 stops25h 22m

$1,204

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 1/16

5:59 pm-8:00 am

1 stop25h 01m

Singapore Changi

Fri 1/23

10:10 am-9:52 pm

1 stop24h 42m

$1,225

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Fri 1/16

3:30 pm-8:00 am

2 stops27h 30m

Singapore Changi

Fri 1/23

10:10 am-8:59 pm

2 stops23h 49m

$1,229

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 1/17

1:40 pm-6:35 am

2 stops27h 55m

Singapore Changi

Fri 1/23

2:20 am-2:24 pm

2 stops25h 04m

$1,235

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 Singapore from

How to get the cheapest flight ticket from Washington, D.C. to Singapore

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 Singapore?

The month of August is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $732. If you aren’t able to travel to Singapore during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $945.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Washington, D.C. to Singapore is on a Friday when prices can be found for as low as $1,136. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,496.

What is the cheapest time of day to depart on your flight to Singapore?

At noon is the cheapest time of day to fly from Washington, D.C. to Singapore when you can find flight prices for as low as $1,135. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,510 on average. Flights to Singapore from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,212 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Washington, D.C. for as low as $1,136 on momondo.

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

You could potentially save up to 3% on your flight if you consider stops on a Washington, D.C. to Singapore flight.

Cheap Washington, D.C. to Singapore flight deals and tips

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

Fastest flight time

22h 00m

Direct flights

None
The fastest flight from Washington, D.C. to Singapore takes 22h 00m
There are no direct flights from Washington, D.C. to Singapore. There are no popular flight routes from Washington, D.C. to Singapore.
Search flight deals

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

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

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

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

    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 Washington, D.C. to Singapore.

  • What documentation or ID do you need to fly to Singapore?

    The necessary travel and health documents for your Singapore trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Washington, D.C. to Singapore with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $807Free CancellationRating
5.5
2,950 reviews
Search Air India flights
Etihad AirwaysPriceFrom $833Free CancellationRating
7.4
1,329 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $842Free CancellationRating
7.3
4,080 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $944Free CancellationRating
8.4
1,179 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,014Free CancellationRating
7.4
3,676 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,043Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
United AirlinesPriceFrom $1,174Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,196Free CancellationRating
7.2
11,046 reviews
Search American Airlines flights
ANAPriceFrom $1,499Free CancellationRating
8.4
1,017 reviews
Search ANA flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Singapore for you.

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

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

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

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 Singapore from Washington, D.C..

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

Price alerts on flights to Singapore from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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