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Cheap flights from Washington, D.C. to Singapore from $422

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
8:00 am - 5:30 am
BWI
-
SIN
32h 30m1 stop
Singapore Airlines Logo
9:00 am - 6:14 pm
SIN
-
BWI
22h 14m1 stop
$1,115Singapore Airlines
Sun, Jan 25 - Thu, Jan 29
Singapore Airlines Logo
6:46 pm - 5:45 pm
BWI
-
SIN
34h 59m1 stop
Singapore Airlines Logo
8:45 pm - 5:23 pm
SIN
-
BWI
32h 38m1 stop
$1,136Singapore Airlines
Mon, Mar 9 - Wed, Mar 18
Multiple Airlines Logo
7:40 pm - 5:35 pm
BWI
-
SIN
32h 55m3 stops
Multiple Airlines Logo
11:25 pm - 6:40 pm
SIN
-
BWI
32h 15m3 stops
$1,151Multiple Airlines
Sun, Jan 18 - Sat, Jan 24
United Airlines Logo
7:00 am - 8:00 am
DCA
-
SIN
36h 00m1 stop
United Airlines Logo
10:10 am - 9:36 pm
SIN
-
DCA
24h 26m1 stop
$1,185United Airlines
Wed, Jan 14 - Fri, Feb 20
United Airlines Logo
5:59 pm - 8:15 pm
DCA
-
SIN
37h 16m1 stop
United Airlines Logo
10:10 am - 9:39 pm
SIN
-
DCA
24h 29m1 stop
$1,186United Airlines
Sat, Jan 17 - Wed, Feb 18
Korean Air Logo
11:50 am - 8:25 pm
IAD
-
SIN
43h 35m1 stop
Korean Air Logo
10:30 pm - 7:09 pm
SIN
-
IAD
33h 39m2 stops
$1,188Korean Air
Fri, Jan 23 - Sun, Feb 15
Korean Air Logo
6:59 am - 8:25 pm
DCA
-
SIN
48h 26m2 stops
Korean Air Logo
1:35 am - 4:27 pm
SIN
-
DCA
27h 52m2 stops
$1,194Korean Air
Thu, Jan 15 - Fri, Feb 20
American Airlines Logo
6:07 am - 5:25 pm
BWI
-
SIN
46h 18m2 stops
American Airlines Logo
2:20 am - 11:18 pm
SIN
-
BWI
33h 58m2 stops
$1,202American Airlines
Fri, Jan 23 - Thu, Jan 29
Qatar Airways Logo
6:00 am - 8:45 am
BWI
-
SIN
37h 45m2 stops
Qatar Airways Logo
3:15 am - 9:32 pm
SIN
-
BWI
30h 17m2 stops
$1,208Qatar Airways
Wed, Jan 21 - Mon, May 4
American Airlines Logo
6:00 am - 12:50 am
BWI
-
SIN
29h 50m2 stops
American Airlines Logo
2:20 am - 11:18 pm
SIN
-
BWI
33h 58m2 stops
$1,213American Airlines
Fri, Jan 23 - Thu, Jan 29

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

Our best Singapore Airlines deals on Washington, D.C. to Singapore flight tickets
Singapore Airlines
Jan 23
BWI7:14 pmBaltimore/Washington
33h 31m
1 stop
SIN5:45 pmSingapore Changi
Feb 5
SIN9:00 amSingapore Changi
22h 14m
1 stop
BWI6:14 pmBaltimore/Washington
$1,115
Find similar
Singapore Airlines
Mar 1
BWI6:00 amBaltimore/Washington
34h 30m
1 stop
SIN5:30 amSingapore Changi
Mar 8
SIN8:45 pmSingapore Changi
32h 38m
1 stop
BWI5:23 pmBaltimore/Washington
$1,192
Find similar
Singapore Airlines
Jan 25
BWI8:00 amBaltimore/Washington
32h 30m
1 stop
SIN5:30 amSingapore Changi
Feb 1
SIN8:45 pmSingapore Changi
37h 41m
1 stop
BWI9:26 pmBaltimore/Washington
$1,198
Find similar

ANA flights from Washington, D.C. to Singapore

Our best ANA deals on Washington, D.C. to Singapore flight tickets
ANA
Jan 12
DCA2:00 pmWashington, D.C. Reagan-National
27h 55m
2 stops
SIN6:55 amSingapore Changi
Feb 17
SIN6:35 amSingapore Changi
25h 37m
2 stops
DCA7:12 pmWashington, D.C. Reagan-National
$1,183
Find similar
ANA
Jan 14
IAD1:05 pmWashington, D.C. Dulles Intl
46h 50m
2 stops
SIN12:55 amSingapore Changi
Feb 22
SIN10:45 amSingapore Changi
35h 25m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
$1,185
Find similar
ANA
Jan 15
IAD8:20 amWashington, D.C. Dulles Intl
27h 35m
2 stops
SIN12:55 amSingapore Changi
Feb 17
SIN6:35 amSingapore Changi
27h 48m
2 stops
IAD9:23 pmWashington, D.C. Dulles Intl
$1,186
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 11, 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

Sun 1/25

8:00 am-5:30 am

1 stop32h 30m

Singapore Changi

Thu 1/29

9:00 am-6:14 pm

1 stop22h 14m

$1,115

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Mon 3/9

6:46 pm-5:45 pm

1 stop34h 59m

Singapore Changi

Wed 3/18

8:45 pm-5:23 pm

1 stop32h 38m

$1,136

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Sun 1/18

7:40 pm-5:35 pm

3 stops32h 55m

Singapore Changi

Sat 1/24

11:25 pm-6:40 pm

3 stops32h 15m

$1,151

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 1/14

7:00 am-8:00 am

1 stop36h 00m

Singapore Changi

Fri 2/20

10:10 am-9:36 pm

1 stop24h 26m

$1,185

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 1/17

5:59 pm-8:15 pm

1 stop37h 16m

Singapore Changi

Wed 2/18

10:10 am-9:39 pm

1 stop24h 29m

$1,186

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/23

11:50 am-8:25 pm

1 stop43h 35m

Singapore Changi

Sun 2/15

10:30 pm-7:09 pm

2 stops33h 39m

$1,188

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 1/15

6:59 am-8:25 pm

2 stops48h 26m

Singapore Changi

Fri 2/20

1:35 am-4:27 pm

2 stops27h 52m

$1,194

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Fri 1/23

6:07 am-5:25 pm

2 stops46h 18m

Singapore Changi

Thu 1/29

2:20 am-11:18 pm

2 stops33h 58m

$1,202

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 1/21

6:00 am-8:45 am

2 stops37h 45m

Singapore Changi

Mon 5/4

3:15 am-9:32 pm

2 stops30h 17m

$1,208

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Fri 1/23

6:00 am-12:50 am

2 stops29h 50m

Singapore Changi

Thu 1/29

2:20 am-11:18 pm

2 stops33h 58m

$1,213

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 $946.

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 $1,240 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 $1,141 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

24h 20m

Direct flights

None
The fastest flight from Washington, D.C. to Singapore takes 24h 20m
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
2,947 reviews
Search Air India flights
Etihad AirwaysPriceFrom $833Free CancellationRating
7.4
1,331 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $847Free CancellationRating
7.3
4,090 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $944Free CancellationRating
8.4
1,184 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,014Free CancellationRating
7.4
3,677 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,066Free CancellationRating
7.2
2,899 reviews
Search JetBlue flights
United AirlinesPriceFrom $1,174Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,196Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
ANAPriceFrom $1,499Free CancellationRating
8.4
1,021 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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