Cheap flights from Washington, D.C. to Singapore from $291

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 4/16. 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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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
1:20 pm - 6:00 am
IAD
-
SIN
28h 40m
2 stops
Multiple Airlines Logo
9:45 am - 9:45 am
SIN
-
IAD
36h 00m
2 stops
$996Multiple Airlines
Mon, Apr 27 - Wed, May 6
Multiple Airlines Logo
1:20 pm - 6:00 am
IAD
-
SIN
28h 40m
2 stops
Multiple Airlines Logo
9:45 am - 9:45 am
SIN
-
IAD
36h 00m
2 stops
$997Multiple Airlines
Fri, Apr 24 - Fri, May 1
Turkish Airlines Logo
1:20 pm - 8:45 am
IAD
-
SIN
31h 25m
1 stop
Turkish Airlines Logo
11:05 pm - 11:35 am
SIN
-
IAD
24h 30m
1 stop
$999Turkish Airlines
Wed, Sep 2 - Wed, Sep 23
Cathay Pacific Logo
7:31 pm - 12:25 pm
DCA
-
SIN
28h 54m
2 stops
Cathay Pacific Logo
8:05 pm - 12:55 am
SIN
-
DCA
40h 50m
2 stops
$1,002Cathay Pacific
Thu, Aug 27 - Mon, Sep 28
Etihad Airways Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
Etihad Airways Logo
9:00 pm - 9:45 am
SIN
-
IAD
24h 45m
1 stop
$1,008Etihad Airways
Fri, Apr 10 - Mon, Apr 20
Etihad Airways Logo
3:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
9:00 pm - 9:45 am
SIN
-
IAD
24h 45m
1 stop
$1,011Etihad Airways
Tue, Mar 17 - Tue, Apr 7
Turkish Airlines Logo
1:20 pm - 5:55 pm
IAD
-
SIN
40h 35m
1 stop
Turkish Airlines Logo
11:10 am - 7:50 pm
SIN
-
IAD
44h 40m
1 stop
$1,012Turkish Airlines
Sat, Apr 18 - Sat, Apr 25
Air Canada Logo
6:00 am - 5:15 am
DCA
-
SIN
35h 15m
2 stops
Air Canada Logo
7:00 am - 9:55 pm
SIN
-
DCA
26h 55m
2 stops
$1,025Air Canada
Tue, Apr 28 - Tue, Jun 2
Cathay Pacific Logo
8:20 am - 11:45 am
DCA
-
SIN
39h 25m
2 stops
Cathay Pacific Logo
8:05 pm - 12:51 am
SIN
-
DCA
40h 46m
2 stops
$1,032Cathay Pacific
Sun, Aug 23 - Thu, Sep 3
Air Canada Logo
11:00 am - 5:15 am
DCA
-
SIN
30h 15m
2 stops
Air Canada Logo
7:00 am - 10:19 am
SIN
-
DCA
39h 19m
2 stops
$1,048Air Canada
Sun, Apr 12 - Tue, May 5

Qatar Airways flights from Washington, D.C. to Singapore

Our best Qatar Airways deals on Washington, D.C. to Singapore flight tickets
Qatar Airways
Apr 5
IAD9:00 pmWashington, D.C. Dulles Intl
25h 15m
2 stops
SIN10:15 amSingapore Changi
Apr 20
SIN7:40 pmSingapore Changi
32h 25m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
$1,043
Qatar Airways
Mar 18
IAD9:05 pmWashington, D.C. Dulles Intl
25h 15m
2 stops
SIN10:20 amSingapore Changi
Mar 31
SIN10:20 amSingapore Changi
34h 25m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
$1,059
Qatar Airways
Mar 17
IAD9:05 pmWashington, D.C. Dulles Intl
25h 15m
2 stops
SIN10:20 amSingapore Changi
Mar 31
SIN10:20 amSingapore Changi
34h 25m
1 stop
IAD8:45 amWashington, D.C. Dulles Intl
$1,060

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

Our best Japan Airlines deals on Washington, D.C. to Singapore flight tickets
Japan Airlines
Apr 6
DCA5:00 pmWashington, D.C. Reagan-National
49h 10m
2 stops
SIN6:10 amSingapore Changi
Apr 21
SIN8:05 amSingapore Changi
43h 47m
2 stops
DCA3:52 pmWashington, D.C. Reagan-National
$1,182
Japan Airlines
Apr 19
DCA5:55 amWashington, D.C. Reagan-National
36h 15m
2 stops
SIN6:10 amSingapore Changi
Apr 29
SIN8:05 amSingapore Changi
25h 54m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
$1,213
Japan Airlines
Aug 23
DCA12:31 pmWashington, D.C. Reagan-National
29h 39m
2 stops
SIN6:10 amSingapore Changi
Sep 2
SIN1:55 amSingapore Changi
41h 54m
2 stops
DCA7:49 amWashington, D.C. Reagan-National
$1,229

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 March 7, 2026.
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

Cheapest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 4/27

1:20 pm-6:00 am

2 stops28h 40m

Singapore Changi

Wed 5/6

9:45 am-9:45 am

2 stops36h 00m

$996

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 4/24

1:20 pm-6:00 am

2 stops28h 40m

Singapore Changi

Fri 5/1

9:45 am-9:45 am

2 stops36h 00m

$997

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/2

1:20 pm-8:45 am

1 stop31h 25m

Singapore Changi

Wed 9/23

11:05 pm-11:35 am

1 stop24h 30m

$999

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 8/27

7:31 pm-12:25 pm

2 stops28h 54m

Singapore Changi

Mon 9/28

8:05 pm-12:55 am

2 stops40h 50m

$1,002

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 4/10

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 4/20

9:00 pm-9:45 am

1 stop24h 45m

$1,008
Quickest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/17

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Tue 4/7

9:00 pm-9:45 am

1 stop24h 45m

$1,011

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 4/18

1:20 pm-5:55 pm

1 stop40h 35m

Singapore Changi

Sat 4/25

11:10 am-7:50 pm

1 stop44h 40m

$1,012

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 4/28

6:00 am-5:15 am

2 stops35h 15m

Singapore Changi

Tue 6/2

7:00 am-9:55 pm

2 stops26h 55m

$1,025

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 8/23

8:20 am-11:45 am

2 stops39h 25m

Singapore Changi

Thu 9/3

8:05 pm-12:51 am

2 stops40h 46m

$1,032

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 4/12

11:00 am-5:15 am

2 stops30h 15m

Singapore Changi

Tue 5/5

7:00 am-10:19 am

2 stops39h 19m

$1,048

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 $930.

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 $1,272 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 $886 on momondo.

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

You could potentially save up to 15% 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 10m

Direct flights

None
The fastest flight from Washington, D.C. to Singapore takes 22h 10m
There are no direct flights from Washington, D.C. to Singapore. There are no popular flight routes from Washington, D.C. to Singapore.
  • 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
Korean AirPriceFrom $743Free CancellationRating
8.4
1,200 reviews
Search Korean Air flights
Air IndiaPriceFrom $807Free CancellationRating
5.5
2,972 reviews
Search Air India flights
Etihad AirwaysPriceFrom $833Free CancellationRating
7.3
1,424 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $918Free CancellationRating
7.3
4,249 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,031Free CancellationRating
7.4
3,746 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,125Free CancellationRating
7.4
9,405 reviews
Search United Airlines flights
JetBluePriceFrom $1,159Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
ANAPriceFrom $1,161Free CancellationRating
8.4
1,116 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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1 adult
Mon 4/6
Mon 4/13

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