Cheap flights from Washington, D.C. to Singapore from $492

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 8/24. 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
7:25 pm - 10:05 am
SIN
-
IAD
26h 40m
1 stop
$1,015Etihad Airways
Tue, Oct 20 - Sun, Oct 25
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
$1,061Etihad 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
$1,068Etihad Airways
Tue, Oct 6 - Mon, Oct 19
Qatar Airways Logo
9:00 pm - 3:45 pm
IAD
-
SIN
30h 45m
1 stop
Qatar Airways Logo
7:40 pm - 3:40 pm
SIN
-
IAD
32h 00m
1 stop
$1,077Qatar Airways
Thu, Sep 10 - Thu, Sep 24
Multiple Airlines Logo
6:57 pm - 7:05 pm
DCA
-
SIN
36h 08m
1 stop
Multiple Airlines Logo
9:00 am - 9:59 pm
SIN
-
DCA
25h 59m
1 stop
$1,253Multiple Airlines
Sat, Oct 31 - Sat, Nov 14
Multiple Airlines Logo
8:00 am - 5:45 pm
DCA
-
SIN
44h 45m
1 stop
Multiple Airlines Logo
8:45 pm - 8:00 pm
SIN
-
DCA
36h 15m
1 stop
$1,294Multiple Airlines
Mon, Nov 9 - Thu, Nov 12
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
31h 35m
2 stops
Air Canada Logo
7:00 am - 10:18 am
SIN
-
DCA
39h 18m
2 stops
$1,306Air Canada
Tue, Aug 4 - Tue, Aug 25
Air Canada Logo
4:20 pm - 5:15 am
DCA
-
SIN
48h 55m
2 stops
Air Canada Logo
7:00 am - 10:18 am
SIN
-
DCA
39h 18m
2 stops
$1,307Air Canada
Wed, Aug 12 - Tue, Aug 18
Finnair Logo
7:58 pm - 6:30 pm
DCA
-
SIN
34h 32m
2 stops
Finnair Logo
9:35 pm - 11:31 pm
SIN
-
DCA
37h 56m
2 stops
$1,320Finnair
Tue, Jul 7 - Wed, Jul 15
Finnair Logo
6:24 pm - 6:30 pm
BWI
-
SIN
36h 06m
2 stops
Finnair Logo
10:05 pm - 10:54 pm
SIN
-
BWI
37h 49m
2 stops
$1,324Finnair
Tue, Oct 20 - Tue, Nov 3

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

Our best Qatar Airways deals on Washington, D.C. to Singapore flight tickets
Qatar Airways
Sep 10
IAD9:00 pmWashington, D.C. Dulles Intl
30h 45m
1 stop
SIN3:45 pmSingapore Changi
Sep 24
SIN7:40 pmSingapore Changi
32h 00m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,077
Qatar Airways
Sep 20
IAD11:05 amWashington, D.C. Dulles Intl
22h 10m
1 stop
SIN9:15 pmSingapore Changi
Oct 5
SIN3:15 amSingapore Changi
24h 25m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,122
Qatar Airways
Sep 10
IAD11:05 amWashington, D.C. Dulles Intl
22h 10m
1 stop
SIN9:15 pmSingapore Changi
Sep 23
SIN3:15 amSingapore Changi
24h 25m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,125

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 10
IAD9:45 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:30 amSingapore Changi
Sep 24
SIN11:05 pmSingapore Changi
24h 30m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$1,119
Turkish Airlines
Sep 13
IAD9:45 pmWashington, D.C. Dulles Intl
23h 00m
1 stop
SIN8:45 amSingapore Changi
Sep 17
SIN10:25 amSingapore Changi
37h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$1,121
Turkish Airlines
Oct 7
IAD1:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN8:45 amSingapore Changi
Oct 12
SIN11:10 amSingapore Changi
36h 25m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$1,158

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 20, 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

Tue 10/20

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sun 10/25

7:25 pm-10:05 am

1 stop26h 40m

$1,015
Quickest round-trip

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

$1,061

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 10/6

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 10/19

9:00 pm-9:45 am

1 stop24h 45m

$1,068

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/10

9:00 pm-3:45 pm

1 stop30h 45m

Singapore Changi

Thu 9/24

7:40 pm-3:40 pm

1 stop32h 00m

$1,077

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sat 10/31

6:57 pm-7:05 pm

1 stop36h 08m

Singapore Changi

Sat 11/14

9:00 am-9:59 pm

1 stop25h 59m

$1,253

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 11/9

8:00 am-5:45 pm

1 stop44h 45m

Singapore Changi

Thu 11/12

8:45 pm-8:00 pm

1 stop36h 15m

$1,294

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 8/4

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Tue 8/25

7:00 am-10:18 am

2 stops39h 18m

$1,306

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 8/12

4:20 pm-5:15 am

2 stops48h 55m

Singapore Changi

Tue 8/18

7:00 am-10:18 am

2 stops39h 18m

$1,307

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 7/7

7:58 pm-6:30 pm

2 stops34h 32m

Singapore Changi

Wed 7/15

9:35 pm-11:31 pm

2 stops37h 56m

$1,320

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 10/20

6:24 pm-6:30 pm

2 stops36h 06m

Singapore Changi

Tue 11/3

10:05 pm-10:54 pm

2 stops37h 49m

$1,324

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 $1,284 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

24h 55m

Direct flights

None
The fastest flight from Washington, D.C. to Singapore takes 24h 55m
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
Etihad AirwaysPriceFrom $828Free CancellationRating
7.3
1,440 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $918Free CancellationRating
7.4
4,382 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,041Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,124Free CancellationRating
7.4
9,747 reviews
Search United Airlines flights
JetBluePriceFrom $1,245Free CancellationRating
7.2
2,983 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
Fri 6/19
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