Cheap flights from Washington, D.C. to Singapore from $476

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 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
$1,098Etihad Airways
Fri, May 8 - Sat, May 30
Multiple Airlines Logo
2:05 pm - 6:10 am
IAD
-
SIN
28h 05m
2 stops
Multiple Airlines Logo
7:40 am - 9:45 am
SIN
-
IAD
38h 05m
2 stops
$1,102Multiple Airlines
Tue, Apr 14 - Thu, Apr 23
Turkish Airlines Logo
1:20 pm - 9:30 am
IAD
-
SIN
32h 10m
1 stop
Turkish Airlines Logo
10:25 am - 11:35 am
SIN
-
IAD
37h 10m
1 stop
$1,116Turkish Airlines
Sat, May 9 - Tue, Jun 2
Turkish Airlines Logo
1:20 pm - 11:10 am
IAD
-
SIN
33h 50m
1 stop
Turkish Airlines Logo
12:50 pm - 11:35 am
SIN
-
IAD
34h 45m
1 stop
$1,121Turkish Airlines
Tue, Apr 14 - Thu, Apr 23
Singapore Airlines Logo
5:45 pm - 7:40 am
BWI
-
SIN
25h 55m
1 stop
Singapore Airlines Logo
8:45 pm - 4:47 pm
SIN
-
BWI
32h 02m
1 stop
$1,150Singapore Airlines
Thu, Aug 27 - Mon, Sep 28
Singapore Airlines Logo
5:45 pm - 7:40 am
BWI
-
SIN
25h 55m
1 stop
Singapore Airlines Logo
8:45 pm - 4:47 pm
SIN
-
BWI
32h 02m
1 stop
$1,190Singapore Airlines
Thu, Aug 27 - Mon, Sep 28
Qatar Airways Logo
11:47 am - 3:45 pm
BWI
-
SIN
39h 58m
2 stops
Qatar Airways Logo
7:40 pm - 11:32 pm
SIN
-
BWI
39h 52m
2 stops
$1,275Qatar Airways
Thu, Aug 27 - Mon, Sep 28
Qatar Airways Logo
11:41 am - 8:50 am
BWI
-
SIN
33h 09m
2 stops
Qatar Airways Logo
3:15 am - 11:56 pm
SIN
-
BWI
32h 41m
2 stops
$1,290Qatar Airways
Tue, May 12 - Mon, May 18
United Airlines Logo
2:00 pm - 6:45 am
DCA
-
SIN
28h 45m
2 stops
United Airlines Logo
8:35 pm - 10:59 am
SIN
-
DCA
26h 24m
2 stops
$1,323United Airlines
Mon, May 4 - Mon, May 18
United Airlines Logo
7:30 am - 6:45 am
DCA
-
SIN
35h 15m
1 stop
United Airlines Logo
8:35 pm - 4:46 pm
SIN
-
DCA
32h 11m
1 stop
$1,326United Airlines
Mon, May 4 - Thu, May 7

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

Our best EVA Air deals on Washington, D.C. to Singapore flight tickets
EVA Air
Sep 9
IAD5:38 pmWashington, D.C. Dulles Intl
30h 17m
2 stops
SIN11:55 amSingapore Changi
Sep 23
SIN1:10 pmSingapore Changi
20h 50m
1 stop
IAD10:00 pmWashington, D.C. Dulles Intl
$1,153
EVA Air
Jul 20
IAD1:50 amWashington, D.C. Dulles Intl
22h 05m
1 stop
SIN11:55 amSingapore Changi
Aug 24
SIN1:10 pmSingapore Changi
21h 20m
1 stop
IAD10:30 pmWashington, D.C. Dulles Intl
$1,154
EVA Air
Jul 20
IAD1:50 amWashington, D.C. Dulles Intl
24h 05m
1 stop
SIN1:55 pmSingapore Changi
Aug 25
SIN3:20 pmSingapore Changi
43h 10m
1 stop
IAD10:30 pmWashington, D.C. Dulles Intl
$1,168

ANA flights from Washington, D.C. to Singapore

Our best ANA deals on Washington, D.C. to Singapore flight tickets
ANA
Aug 27
DCA3:30 pmWashington, D.C. Reagan-National
27h 10m
2 stops
SIN6:40 amSingapore Changi
Sep 28
SIN10:00 pmSingapore Changi
34h 10m
2 stops
DCA8:10 pmWashington, D.C. Reagan-National
$1,377
ANA
Aug 27
DCA9:30 amWashington, D.C. Reagan-National
33h 10m
2 stops
SIN6:40 amSingapore Changi
Sep 28
SIN6:15 amSingapore Changi
25h 55m
2 stops
DCA8:10 pmWashington, D.C. Reagan-National
$1,379
ANA
Apr 21
BWI3:42 pmBaltimore/Washington
26h 58m
2 stops
SIN6:40 amSingapore Changi
Apr 28
SIN8:35 pmSingapore Changi
27h 02m
1 stop
BWI11:37 amBaltimore/Washington
$1,416

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 23, 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

Fri 5/8

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sat 5/30

9:00 pm-9:45 am

1 stop24h 45m

$1,098

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/14

2:05 pm-6:10 am

2 stops28h 05m

Singapore Changi

Thu 4/23

7:40 am-9:45 am

2 stops38h 05m

$1,102

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 5/9

1:20 pm-9:30 am

1 stop32h 10m

Singapore Changi

Tue 6/2

10:25 am-11:35 am

1 stop37h 10m

$1,116

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/14

1:20 pm-11:10 am

1 stop33h 50m

Singapore Changi

Thu 4/23

12:50 pm-11:35 am

1 stop34h 45m

$1,121

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 8/27

5:45 pm-7:40 am

1 stop25h 55m

Singapore Changi

Mon 9/28

8:45 pm-4:47 pm

1 stop32h 02m

$1,150

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 8/27

5:45 pm-7:40 am

1 stop25h 55m

Singapore Changi

Mon 9/28

8:45 pm-4:47 pm

1 stop32h 02m

$1,190

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Thu 8/27

11:47 am-3:45 pm

2 stops39h 58m

Singapore Changi

Mon 9/28

7:40 pm-11:32 pm

2 stops39h 52m

$1,275

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 5/12

11:41 am-8:50 am

2 stops33h 09m

Singapore Changi

Mon 5/18

3:15 am-11:56 pm

2 stops32h 41m

$1,290
Quickest round-trip

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 5/4

2:00 pm-6:45 am

2 stops28h 45m

Singapore Changi

Mon 5/18

8:35 pm-10:59 am

2 stops26h 24m

$1,323

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Mon 5/4

7:30 am-6:45 am

1 stop35h 15m

Singapore Changi

Thu 5/7

8:35 pm-4:46 pm

1 stop32h 11m

$1,326

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 $714. 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 $1,269 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 6% 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 05m

Direct flights

None
The fastest flight from Washington, D.C. to Singapore takes 24h 05m
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
1,202 reviews
Search Korean Air flights
Air IndiaPriceFrom $807Free CancellationRating
5.5
2,973 reviews
Search Air India flights
Etihad AirwaysPriceFrom $833Free CancellationRating
7.3
1,429 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $917Free CancellationRating
7.3
4,272 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,063Free CancellationRating
7.4
3,733 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,125Free CancellationRating
7.4
9,459 reviews
Search United Airlines flights
ANAPriceFrom $1,161Free CancellationRating
8.4
1,138 reviews
Search ANA flights
JetBluePriceFrom $1,245Free CancellationRating
7.2
2,910 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
Wed 4/22
Wed 4/29

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