Cheap flights from Washington, D.C. to Singapore from $466

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 9/28. 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
5:33 pm - 5:35 pm
IAD
-
SIN
36h 02m
1 stop
Multiple Airlines Logo
9:00 am - 5:51 am
SIN
-
IAD
33h 51m
1 stop
$1,005Multiple Airlines
Wed, Oct 14 - Wed, Nov 4
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
$1,049Etihad Airways
Wed, Sep 9 - Wed, Sep 23
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
$1,069Etihad Airways
Wed, Sep 16 - Mon, Sep 21
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
$1,080Etihad Airways
Mon, Sep 7 - Mon, Sep 14
Turkish Airlines Logo
10:20 pm - 9:55 am
IAD
-
SIN
22h 35m
1 stop
Turkish Airlines Logo
11:15 pm - 11:45 am
SIN
-
IAD
25h 30m
1 stop
$1,082Turkish Airlines
Wed, Nov 4 - Wed, Nov 11
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
$1,084Etihad Airways
Mon, Oct 19 - Thu, Oct 29
Qatar Airways Logo
9:00 pm - 3:45 pm
IAD
-
SIN
30h 45m
1 stop
Qatar Airways Logo
3:15 am - 3:40 pm
SIN
-
IAD
24h 25m
1 stop
$1,112Qatar Airways
Mon, Sep 28 - Wed, Oct 7
Qatar Airways Logo
1:07 pm - 8:50 am
BWI
-
SIN
31h 43m
2 stops
Qatar Airways Logo
3:15 am - 11:31 pm
SIN
-
BWI
32h 16m
2 stops
$1,234Qatar Airways
Tue, Oct 20 - Tue, Oct 27
Air Canada Logo
9:40 am - 5:15 am
DCA
-
SIN
31h 35m
2 stops
Air Canada Logo
7:00 am - 10:20 am
SIN
-
DCA
39h 20m
2 stops
$1,306Air Canada
Tue, Sep 1 - Tue, Sep 8
Air Canada Logo
12:40 pm - 5:15 am
DCA
-
SIN
28h 35m
2 stops
Air Canada Logo
7:00 am - 8:00 pm
SIN
-
DCA
25h 00m
2 stops
$1,308Air Canada
Thu, Oct 8 - Tue, Oct 13

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

Our best Etihad Airways deals on Washington, D.C. to Singapore flight tickets
Etihad Airways
Sep 9
IAD3:10 pmWashington, D.C. Dulles Intl
30h 30m
1 stop
SIN9:40 amSingapore Changi
Sep 23
SIN9:00 pmSingapore Changi
24h 45m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$1,049
Etihad Airways
Sep 16
IAD3:10 pmWashington, D.C. Dulles Intl
30h 30m
1 stop
SIN9:40 amSingapore Changi
Sep 21
SIN9:00 pmSingapore Changi
24h 45m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$1,069
Etihad Airways
Sep 7
IAD3:10 pmWashington, D.C. Dulles Intl
30h 30m
1 stop
SIN9:40 amSingapore Changi
Sep 14
SIN9:00 pmSingapore Changi
24h 45m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$1,080

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 28
IAD9:00 pmWashington, D.C. Dulles Intl
30h 45m
1 stop
SIN3:45 pmSingapore Changi
Oct 7
SIN3:15 amSingapore Changi
24h 25m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,112
Qatar Airways
Sep 10
IAD11:05 amWashington, D.C. Dulles Intl
22h 10m
1 stop
SIN9:15 pmSingapore Changi
Sep 24
SIN7:40 pmSingapore Changi
32h 00m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,125
Qatar Airways
Oct 5
IAD9:00 pmWashington, D.C. Dulles Intl
23h 50m
1 stop
SIN8:50 amSingapore Changi
Oct 12
SIN7:40 pmSingapore Changi
32h 00m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
$1,152

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 31, 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

Wed 10/14

5:33 pm-5:35 pm

1 stop36h 02m

Singapore Changi

Wed 11/4

9:00 am-5:51 am

1 stop33h 51m

$1,005

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/9

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Wed 9/23

9:00 pm-9:45 am

1 stop24h 45m

$1,049

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/16

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 9/21

9:00 pm-9:45 am

1 stop24h 45m

$1,069

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/7

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 9/14

9:00 pm-9:45 am

1 stop24h 45m

$1,080
Quickest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 11/4

10:20 pm-9:55 am

1 stop22h 35m

Singapore Changi

Wed 11/11

11:15 pm-11:45 am

1 stop25h 30m

$1,082

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 10/19

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Thu 10/29

7:25 pm-10:05 am

1 stop26h 40m

$1,084

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/28

9:00 pm-3:45 pm

1 stop30h 45m

Singapore Changi

Wed 10/7

3:15 am-3:40 pm

1 stop24h 25m

$1,112

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 10/20

1:07 pm-8:50 am

2 stops31h 43m

Singapore Changi

Tue 10/27

3:15 am-11:31 pm

2 stops32h 16m

$1,234

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/1

9:40 am-5:15 am

2 stops31h 35m

Singapore Changi

Tue 9/8

7:00 am-10:20 am

2 stops39h 20m

$1,306

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Thu 10/8

12:40 pm-5:15 am

2 stops28h 35m

Singapore Changi

Tue 10/13

7:00 am-8:00 pm

2 stops25h 00m

$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 $1,295 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 10% 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.

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
1,445 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $939Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,041Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,124Free CancellationRating
7.4
9,769 reviews
Search United Airlines flights
JetBluePriceFrom $1,245Free CancellationRating
7.1
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
Tue 6/30
Tue 7/7

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