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Cheap flights from Washington, D.C. to Singapore from $439

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 12/1. 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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Find the cheapest flights from Washington, D.C. to Singapore

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Singapore that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. to Singapore.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Singapore? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Singapore, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. to Singapore

Find recent round-trip train or bus tickets from Washington, D.C. to Singapore.

All round-trip flight deals to Singapore

The cheapest plane tickets to Singapore found on KAYAK recently.
11:15 am - 7:30 amIAD-SIN
32h 15m1 stop
8:35 am - 7:15 amSIN-IAD
34h 40m1 stop
$803Air India
Find Deal
Wed, Apr 9 - Tue, Apr 15
2:00 pm - 8:45 amIAD-SIN
29h 45m1 stop
11:25 pm - 12:15 pmSIN-IAD
25h 50m1 stop
$816Turkish Airlines
Find Deal
Tue, Dec 3 - Tue, Dec 10
11:15 am - 7:30 amIAD-SIN
32h 15m1 stop
11:00 pm - 7:15 amSIN-IAD
44h 15m1 stop
$818Air India
Find Deal
Fri, Apr 4 - Fri, Apr 18
9:05 pm - 3:45 pmIAD-SIN
30h 40m1 stop
2:15 am - 4:10 pmSIN-IAD
25h 55m1 stop
$953Qatar Airways
Find Deal
Tue, Apr 1 - Sun, May 11
8:05 pm - 2:55 pmIAD-SIN
29h 50m1 stop
3:15 am - 3:55 pmSIN-IAD
25h 40m1 stop
$958Qatar Airways
Find Deal
Tue, Feb 11 - Tue, Feb 18
8:05 pm - 8:45 amIAD-SIN
23h 40m1 stop
3:15 am - 4:55 pmSIN-IAD
25h 40m1 stop
$1,112JetBlue
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Thu, Mar 6 - Sat, Mar 15
6:05 am - 8:15 pmBWI-SIN
25h 10m1 stop
10:20 pm - 6:55 amSIN-BWI
21h 35m1 stop
$1,186United Airlines
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Tue, Feb 11 - Wed, Feb 19
5:59 pm - 8:00 amDCA-SIN
25h 01m1 stop
10:10 am - 11:46 pmSIN-DCA
26h 36m2 stops
$1,186United Airlines
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Tue, Dec 3 - Tue, Dec 10
5:58 pm - 2:55 pmDCA-SIN
31h 57m2 stops
3:15 am - 7:15 pmSIN-DCA
29h 00m2 stops
$1,234American Airlines
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Wed, Dec 4 - Mon, Dec 9
6:50 am - 9:15 pmDCA-SIN
25h 25m2 stops
3:15 am - 7:14 pmSIN-DCA
28h 59m2 stops
$1,238American Airlines
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Sun, Jan 19 - Sat, Jan 25
2:00 pm - 5:35 pmIAD-SIN
38h 35m1 stop
$439Turkish Airlines
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Sun, Dec 1
6:00 pm - 3:30 pmDCA-SIN
56h 30m3 stops
Tue, Jan 7
2:00 pm - 5:35 pmIAD-SIN
38h 35m1 stop
$472Turkish Airlines
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Sun, Dec 8
8:05 pm - 11:55 amIAD-SIN
26h 50m2 stops
$670Qatar Airways
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Thu, Feb 13
6:59 am - 8:45 pmDCA-SIN
25h 46m2 stops
$670American Airlines
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Sun, Apr 6
6:03 am - 12:50 amBWI-SIN
29h 47m2 stops
$705American Airlines
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Mon, Dec 2
8:05 pm - 6:35 pmIAD-SIN
33h 30m2 stops
$720Qatar Airways
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Sat, Feb 15
6:30 pm - 8:00 amBWI-SIN
24h 30m1 stop
$938United Airlines
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Thu, Nov 28
10:05 am - 8:00 amBWI-SIN
32h 55m2 stops
$942United Airlines
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Sat, Nov 30
5:05 pm - 8:25 pmDCA-SIN
38h 20m2 stops
$1,528Delta
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Fri, Dec 27
9:25 pm - 8:45 amIAD-SIN
22h 20m1 stop
10:25 am - 12:15 pmSIN-IAD
38h 50m1 stop
$957Turkish Airlines
Find Deal
Sun, Nov 24 - Fri, Dec 6
9:25 pm - 8:45 amIAD-SIN
22h 20m1 stop
5:05 am - 12:15 pmSIN-IAD
44h 10m1 stop
$966Turkish Airlines
Find Deal
Sun, Nov 24 - Sun, Dec 8
9:25 pm - 8:45 amIAD-SIN
22h 20m1 stop
11:25 pm - 12:15 pmSIN-IAD
25h 50m1 stop
$1,010Turkish Airlines
Find Deal
Sun, Nov 24 - Wed, Dec 4
8:05 pm - 2:55 pmIAD-SIN
29h 50m1 stop
3:15 am - 3:55 pmSIN-IAD
25h 40m1 stop
$1,175Qatar Airways
Find Deal
Fri, Nov 22 - Tue, Dec 3
8:05 pm - 2:55 pmIAD-SIN
29h 50m1 stop
10:15 am - 3:55 pmSIN-IAD
42h 40m1 stop
$1,178Qatar Airways
Find Deal
Fri, Nov 22 - Mon, Dec 9
4:10 pm - 8:00 amIAD-SIN
26h 50m1 stop
10:20 pm - 7:18 amSIN-IAD
21h 58m1 stop
$1,186United Airlines
Find Deal
Mon, Nov 25 - Wed, Dec 4
12:35 pm - 8:00 amIAD-SIN
30h 25m1 stop
10:10 am - 10:59 pmSIN-IAD
25h 49m1 stop
$1,261United Airlines
Find Deal
Mon, Nov 25 - Sat, Dec 7
8:05 pm - 8:45 amIAD-SIN
23h 40m1 stop
2:00 am - 3:55 pmSIN-IAD
26h 55m1 stop
$1,928JetBlue
Find Deal
Fri, Nov 22 - Sat, Dec 7
10:35 am - 9:15 pmIAD-SIN
21h 40m1 stop
2:00 am - 3:55 pmSIN-IAD
26h 55m1 stop
$1,992JetBlue
Find Deal
Sun, Nov 24 - Sat, Nov 30
8:30 pm - 6:25 pmBWI-SIN
32h 55m1 stop
2:20 am - 12:21 pmSIN-BWI
23h 01m2 stops
$5,915American Airlines
Find Deal
Thu, Nov 21 - Wed, Nov 27

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

Our best Etihad Airways deals on Washington, D.C. to Singapore flight tickets
Etihad Airways
Apr 5
IAD10:00 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:45 amSingapore Changi
Apr 18
SIN8:55 pmSingapore Changi
31h 40m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Etihad Airways
Apr 7
IAD10:00 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN9:45 amSingapore Changi
Apr 19
SIN8:55 pmSingapore Changi
31h 40m
1 stop
IAD4:35 pmWashington, D.C. Dulles Intl
Etihad Airways
Nov 28
IAD9:30 pmWashington, D.C. Dulles Intl
23h 05m
1 stop
SIN9:35 amSingapore Changi
Jan 4
SIN7:25 pmSingapore Changi
34h 00m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl

SAUDIA flights from Washington, D.C. to Singapore

Our best SAUDIA deals on Washington, D.C. to Singapore flight tickets
SAUDIA
Feb 26
IAD5:55 pmWashington, D.C. Dulles Intl
56h 35m
2 stops
SIN3:30 pmSingapore Changi
Mar 5
SIN5:00 pmSingapore Changi
34h 45m
1 stop
IAD2:45 pmWashington, D.C. Dulles Intl
SAUDIA
Apr 18
IAD7:10 pmWashington, D.C. Dulles Intl
56h 35m
2 stops
SIN3:45 pmSingapore Changi
Apr 30
SIN5:15 pmSingapore Changi
34h 30m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
SAUDIA
Mar 3
IAD6:10 pmWashington, D.C. Dulles Intl
32h 20m
2 stops
SIN3:30 pmSingapore Changi
Mar 17
SIN5:00 pmSingapore Changi
34h 45m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl

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 from Washington, D.C. to Singapore?

April. The cheapest time of year to fly to Singapore from Washington, D.C. is April. Most expensive is December

What is the cheapest day to depart Washington, D.C. for Singapore?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Saturday

When is the cheapest time to fly from Washington, D.C. to Singapore?

In the evening. Washington, D.C. to Singapore flights are approximately 23% more expensive in the afternoon than in the evening

What is the cheapest Washington, D.C. to Singapore flight route?

Washington, D.C. Dulles Intl - Singapore Changi. Fly from Washington, D.C. Dulles Intl to Singapore Changi for the best Washington, D.C. - Singapore flight prices

How far in advance should you book Washington, D.C. to Singapore flights?

60 days before. The cheapest time to buy a flight from Washington, D.C. to Singapore is approximately 60 days to departure

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

You could potentially save up to 11% on your flight if you consider stops on a Washington, D.C. to Singapore flight.

How have Washington, D.C. to Singapore flight prices changed over time?

As of November 2024, prices for Washington, D.C. to Singapore flights are approximately 8% more expensive when compared to flights at the same time last year.

What is the typical price of a round-trip flight between Washington, D.C. and Singapore?


When to book flights from Washington, D.C. to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Singapore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Singapore (WAS to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Singapore

Best Price Found

$439

Fastest flight time

21h 40m

Direct flights

None

Airports in Singapore

1 airport
The best one-way flight to Singapore from Washington, D.C. in the past 72 hours is $439. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $803.
The fastest flight from Washington, D.C. to Singapore takes 21h 40m
There are no direct flights from Washington, D.C. to Singapore. Popular non-direct routes for this connection are Washington, D.C. Dulles Intl Airport - Singapore Changi Airport, Washington, D.C. Reagan-National Airport - Singapore Changi Airport and Baltimore/Washington Airport - Singapore Changi Airport.
There is 1 airport near Singapore: Singapore Changi (SIN)

  • How far is Washington, D.C. to Singapore Changi by plane?

    The straight-line distance from Washington, D.C. to Singapore Changi is 9651.2 mi. A reasonable flight in good conditions will take 21h 40m.

  • When did momondo last update prices for flights from Washington, D.C. to Singapore Changi Airport?

    Prices for flights from Washington, D.C. to Singapore Changi Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Singapore Changi Airport?

  • How old do you have to be to fly from Washington, D.C. to Singapore Changi Airport?

    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 Changi Airport.

  • What documentation or ID do you need to fly to Singapore Changi Airport?

    The travel and health documents you'll need for your trip to Singapore Changi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Singapore Changi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Singapore?


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
SAUDIAPriceFrom $619Free CancellationRating
7.4
733 reviews
Search SAUDIA flights
Turkish AirlinesPriceFrom $859Free CancellationRating
7.4
3,914 reviews
Search Turkish Airlines flights
Etihad AirwaysPriceFrom $884Free CancellationRating
7.3
1,232 reviews
Search Etihad Airways flights
United AirlinesPriceFrom $904Free CancellationRating
7.4
9,173 reviews
Search United Airlines flights
DeltaPriceFrom $1,001Free CancellationRating
8.0
8,759 reviews
Search Delta flights
American AirlinesPriceFrom $1,021Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $1,028Free CancellationRating
7.4
3,395 reviews
Search JetBlue flights
Qatar AirwaysPriceFrom $1,043Free CancellationRating
7.5
3,832 reviews
Search Qatar Airways flights
Korean AirPriceFrom $1,100Free CancellationRating
8.4
1,025 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $1,226Free CancellationRating
8.1
1,336 reviews
Search Singapore Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Singapore?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Singapore. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Singapore with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Singapore on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Singapore?

Once you have performed a search for Washington, D.C. to Singapore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Singapore right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Singapore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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