Cheap flights from Washington, D.C. to Singapore from $554

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 6/7. 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
$1,035Etihad 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
$1,039Etihad Airways
Thu, Oct 1 - Thu, Oct 22
Turkish Airlines Logo
9:45 pm - 5:55 pm
IAD
-
SIN
32h 10m
1 stop
Turkish Airlines Logo
10:25 am - 11:35 am
SIN
-
IAD
37h 10m
1 stop
$1,045Turkish Airlines
Mon, Sep 14 - Fri, Sep 18
Turkish Airlines Logo
9:45 pm - 5:55 pm
IAD
-
SIN
32h 10m
1 stop
Turkish Airlines Logo
10:25 am - 11:35 am
SIN
-
IAD
37h 10m
1 stop
$1,046Turkish Airlines
Thu, Sep 10 - Thu, Sep 24
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
Wed, Aug 5 - Thu, Sep 10
Multiple Airlines Logo
6:16 pm - 5:35 pm
BWI
-
SIN
35h 19m
1 stop
Multiple Airlines Logo
9:00 am - 5:20 am
SIN
-
BWI
32h 20m
1 stop
$1,220Multiple Airlines
Wed, Sep 16 - Tue, Oct 6
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
31h 35m
2 stops
Air Canada Logo
7:00 am - 9:50 pm
SIN
-
DCA
26h 50m
2 stops
$1,242Air Canada
Sun, Oct 18 - Thu, Oct 22
Qatar Airways Logo
1:07 pm - 3:45 pm
BWI
-
SIN
38h 38m
2 stops
Qatar Airways Logo
3:15 am - 11:55 pm
SIN
-
BWI
33h 40m
2 stops
$1,269Qatar Airways
Wed, Oct 14 - Mon, Nov 16
Multiple Airlines Logo
6:16 pm - 5:35 pm
BWI
-
SIN
35h 19m
1 stop
Multiple Airlines Logo
9:00 am - 6:21 am
SIN
-
BWI
34h 21m
1 stop
$1,271Multiple Airlines
Thu, Oct 1 - Tue, Nov 3
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
$1,333Qatar Airways
Wed, Sep 16 - Mon, Oct 5

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

Our best American Airlines deals on Washington, D.C. to Singapore flight tickets
American Airlines
Aug 5
DCA3:41 pmWashington, D.C. Reagan-National
29h 09m
2 stops
SIN8:50 amSingapore Changi
Aug 21
SIN3:15 amSingapore Changi
30h 45m
2 stops
DCA10:00 pmWashington, D.C. Reagan-National
$1,490
American Airlines
Aug 5
DCA3:41 pmWashington, D.C. Reagan-National
29h 09m
2 stops
SIN8:50 amSingapore Changi
Aug 17
SIN3:15 amSingapore Changi
29h 44m
2 stops
DCA8:59 pmWashington, D.C. Reagan-National
$1,523

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

Our best Etihad Airways deals on Washington, D.C. to Singapore flight tickets
Etihad Airways
May 11
IAD3:10 pmWashington, D.C. Dulles Intl
30h 30m
1 stop
SIN9:40 amSingapore Changi
May 25
SIN9:00 pmSingapore Changi
24h 45m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$953
Etihad Airways
May 11
IAD3:10 pmWashington, D.C. Dulles Intl
30h 30m
1 stop
SIN9:40 amSingapore Changi
May 19
SIN9:00 pmSingapore Changi
24h 45m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$960
Etihad Airways
May 12
IAD3:10 pmWashington, D.C. Dulles Intl
30h 30m
1 stop
SIN9:40 amSingapore Changi
May 26
SIN9:00 pmSingapore Changi
24h 45m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$981

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 9, 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

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

$1,035

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 10/1

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Thu 10/22

9:00 pm-9:45 am

1 stop24h 45m

$1,039

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/14

9:45 pm-5:55 pm

1 stop32h 10m

Singapore Changi

Fri 9/18

10:25 am-11:35 am

1 stop37h 10m

$1,045

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/10

9:45 pm-5:55 pm

1 stop32h 10m

Singapore Changi

Thu 9/24

10:25 am-11:35 am

1 stop37h 10m

$1,046

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Wed 8/5

4:20 pm-5:15 am

2 stops48h 55m

Singapore Changi

Thu 9/10

7:00 am-10:20 am

2 stops39h 20m

$1,217

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 9/16

6:16 pm-5:35 pm

1 stop35h 19m

Singapore Changi

Tue 10/6

9:00 am-5:20 am

1 stop32h 20m

$1,220

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 10/18

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Thu 10/22

7:00 am-9:50 pm

2 stops26h 50m

$1,242

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 10/14

1:07 pm-3:45 pm

2 stops38h 38m

Singapore Changi

Mon 11/16

3:15 am-11:55 pm

2 stops33h 40m

$1,269

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 10/1

6:16 pm-5:35 pm

1 stop35h 19m

Singapore Changi

Tue 11/3

9:00 am-6:21 am

1 stop34h 21m

$1,271

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 9/16

11:25 am-3:45 pm

2 stops40h 20m

Singapore Changi

Mon 10/5

3:15 am-11:31 pm

2 stops32h 16m

$1,333

Flights are sorted by cheapest round-trip flights 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 $1,279 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 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 35m

Direct flights

None
The fastest flight from Washington, D.C. to Singapore takes 22h 35m
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
1,434 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $917Free CancellationRating
7.4
4,357 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
9,696 reviews
Search United Airlines flights
JetBluePriceFrom $1,245Free CancellationRating
7.2
2,977 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
Mon 6/8
Mon 6/15

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