Cheap flights from Washington, D.C. to Singapore from $532

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 11/2. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$999Etihad Airways
Tue, Jun 2 - Tue, Jun 16
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
$1,013Etihad Airways
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
$1,017Etihad Airways
Mon, Jun 1 - Tue, Jun 16
Turkish Airlines Logo
9:45 pm - 5:55 pm
IAD
-
SIN
32h 10m
1 stop
Turkish Airlines Logo
11:05 pm - 11:35 am
SIN
-
IAD
24h 30m
1 stop
$1,046Turkish Airlines
Wed, Sep 9 - Wed, Sep 23
Multiple Airlines Logo
8:00 am - 5:45 pm
DCA
-
SIN
44h 45m
1 stop
Multiple Airlines Logo
9:00 am - 9:59 pm
SIN
-
DCA
25h 59m
1 stop
$1,135Multiple Airlines
Tue, Nov 3 - Tue, Nov 17
Air Canada Logo
4:20 pm - 5:15 am
DCA
-
SIN
48h 55m
2 stops
Air Canada Logo
7:00 am - 10:20 am
SIN
-
DCA
39h 20m
2 stops
$1,217Air Canada
Mon, Sep 28 - Thu, Oct 8
Air Canada Logo
6:59 am - 5:15 am
DCA
-
SIN
34h 16m
2 stops
Air Canada Logo
7:00 am - 12:00 pm
SIN
-
DCA
41h 00m
2 stops
$1,253Air Canada
Tue, Jul 21 - Sat, Aug 1
Qatar Airways Logo
11:25 am - 3:45 pm
BWI
-
SIN
40h 20m
2 stops
Qatar Airways Logo
3:15 am - 11:31 pm
SIN
-
BWI
32h 16m
2 stops
$1,268Qatar Airways
Tue, Sep 29 - Tue, Oct 13
Multiple Airlines Logo
6:59 pm - 7:05 pm
DCA
-
SIN
35h 06m
1 stop
Multiple Airlines Logo
9:00 am - 9:59 pm
SIN
-
DCA
25h 59m
1 stop
$1,274Multiple Airlines
Wed, Nov 4 - Tue, Nov 17
Qatar Airways Logo
11:25 am - 3:45 pm
BWI
-
SIN
40h 20m
2 stops
Qatar Airways Logo
3:15 am - 11:31 pm
SIN
-
BWI
32h 16m
2 stops
$1,308Qatar Airways
Sat, Sep 26 - Tue, Oct 13

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

Our best Turkish Airlines deals on Washington, D.C. to Singapore flight tickets
Turkish Airlines
Sep 9
IAD9:45 pmWashington, D.C. Dulles Intl
32h 10m
1 stop
SIN5:55 pmSingapore Changi
Sep 23
SIN11:05 pmSingapore Changi
24h 30m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$1,046
Turkish Airlines
Oct 1
IAD9:45 pmWashington, D.C. Dulles Intl
25h 25m
1 stop
SIN11:10 amSingapore Changi
Oct 14
SIN11:05 pmSingapore Changi
24h 30m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$1,051
Turkish Airlines
Sep 20
IAD9:45 pmWashington, D.C. Dulles Intl
23h 00m
1 stop
SIN8:45 amSingapore Changi
Sep 26
SIN12:50 pmSingapore Changi
34h 45m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$1,101

Air Canada flights from Washington, D.C. to Singapore

Our best Air Canada deals on Washington, D.C. to Singapore flight tickets
Air Canada
Sep 28
DCA4:20 pmWashington, D.C. Reagan-National
48h 55m
2 stops
SIN5:15 amSingapore Changi
Oct 8
SIN7:00 amSingapore Changi
39h 20m
2 stops
DCA10:20 amWashington, D.C. Reagan-National
$1,217
Air Canada
Jul 21
DCA6:59 amWashington, D.C. Reagan-National
34h 16m
2 stops
SIN5:15 amSingapore Changi
Aug 1
SIN7:00 amSingapore Changi
41h 00m
2 stops
DCA12:00 pmWashington, D.C. Reagan-National
$1,253
Air Canada
Oct 4
DCA9:40 amWashington, D.C. Reagan-National
31h 35m
2 stops
SIN5:15 amSingapore Changi
Oct 18
SIN7:00 amSingapore Changi
39h 20m
2 stops
DCA10:20 amWashington, D.C. Reagan-National
$1,268

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 May 14, 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
Quickest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 6/2

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 6/16

9:00 pm-9:45 am

1 stop24h 45m

$999

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 8/27

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 9/28

9:00 pm-9:45 am

1 stop24h 45m

$1,013

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 6/1

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 6/16

9:00 pm-9:45 am

1 stop24h 45m

$1,017

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/9

9:45 pm-5:55 pm

1 stop32h 10m

Singapore Changi

Wed 9/23

11:05 pm-11:35 am

1 stop24h 30m

$1,046

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 11/3

8:00 am-5:45 pm

1 stop44h 45m

Singapore Changi

Tue 11/17

9:00 am-9:59 pm

1 stop25h 59m

$1,135

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 9/28

4:20 pm-5:15 am

2 stops48h 55m

Singapore Changi

Thu 10/8

7:00 am-10:20 am

2 stops39h 20m

$1,217

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 7/21

6:59 am-5:15 am

2 stops34h 16m

Singapore Changi

Sat 8/1

7:00 am-12:00 pm

2 stops41h 00m

$1,253

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 9/29

11:25 am-3:45 pm

2 stops40h 20m

Singapore Changi

Tue 10/13

3:15 am-11:31 pm

2 stops32h 16m

$1,268

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 11/4

6:59 pm-7:05 pm

1 stop35h 06m

Singapore Changi

Tue 11/17

9:00 am-9:59 pm

1 stop25h 59m

$1,274

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Sat 9/26

11:25 am-3:45 pm

2 stops40h 20m

Singapore Changi

Tue 10/13

3:15 am-11:31 pm

2 stops32h 16m

$1,308

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 September is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $343. If you aren’t able to travel to Singapore during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $674.

How far in advance should I book a flight from Washington, D.C. 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 $1,282 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 $961 on momondo.

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

You could potentially save up to 4% 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 15m

Direct flights

None
The fastest flight from Washington, D.C. to Singapore takes 22h 15m
There are no direct flights from Washington, D.C. to Singapore. There are no popular flight routes from Washington, D.C. to Singapore.

Frequently asked questions about flying 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
1,217 reviews
Search Korean Air flights
Air IndiaPriceFrom $807Free CancellationRating
5.5
2,957 reviews
Search Air India flights
Etihad AirwaysPriceFrom $828Free CancellationRating
7.3
1,439 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $917Free CancellationRating
7.4
4,367 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,041Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,124Free CancellationRating
7.4
9,718 reviews
Search United Airlines flights
JetBluePriceFrom $1,245Free CancellationRating
7.1
2,974 reviews
Search JetBlue 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
Sat 6/13
Sat 6/20

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