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Cheap flights from Washington, D.C. to Singapore from $436

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 2/24. 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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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 from Washington, D.C. to Singapore

The cheapest plane tickets from Washington, D.C. to Singapore found on KAYAK recently.
11:00 am - 9:45 pmIAD-SIN
22h 45m1 stop
11:00 pm - 7:15 amSIN-IAD
44h 15m1 stop
$830Air India
Find Deal
Sat, Mar 29 - Sun, Apr 6
11:00 am - 9:45 pmIAD-SIN
22h 45m1 stop
11:00 pm - 7:15 amSIN-IAD
44h 15m1 stop
$831Air India
Find Deal
Fri, Mar 28 - Wed, Apr 2
2:00 pm - 8:45 amIAD-SIN
29h 45m1 stop
5:05 am - 8:30 pmSIN-IAD
27h 25m1 stop
$839Turkish Airlines
Find Deal
Tue, Feb 11 - Tue, Mar 11
1:30 pm - 5:35 pmIAD-SIN
39h 05m1 stop
10:25 am - 7:30 pmSIN-IAD
46h 05m1 stop
$844Turkish Airlines
Find Deal
Sun, Feb 16 - Tue, Feb 25
10:55 am - 8:45 pmIAD-SIN
21h 50m1 stop
2:15 am - 4:10 pmSIN-IAD
25h 55m1 stop
$1,009Qatar Airways
Find Deal
Sun, Apr 20 - Fri, May 2
8:05 pm - 8:45 amIAD-SIN
23h 40m1 stop
3:15 am - 3:55 pmSIN-IAD
25h 40m1 stop
$1,013Qatar Airways
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Sun, Feb 16 - Mon, Feb 24
9:05 pm - 9:00 amIAD-SIN
23h 55m1 stop
2:15 am - 4:10 pmSIN-IAD
25h 55m1 stop
$1,065JetBlue
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Tue, May 13 - Sun, Jun 1
8:05 pm - 8:45 amIAD-SIN
23h 40m1 stop
3:15 am - 4:55 pmSIN-IAD
25h 40m1 stop
$1,102JetBlue
Find Deal
Sat, Mar 1 - Sat, Mar 15
7:07 pm - 6:45 pmBWI-SIN
35h 38m2 stops
8:45 am - 5:38 amSIN-BWI
32h 53m1 stop
$1,192United Airlines
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Tue, May 13 - Wed, May 28
5:59 pm - 8:00 amDCA-SIN
25h 01m1 stop
10:10 am - 8:58 pmSIN-DCA
23h 48m1 stop
$1,192United Airlines
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Tue, Feb 11 - Wed, Feb 19
9:30 pm - 6:15 amIAD-SIN
43h 45m2 stops
Mon, Feb 24
9:30 pm - 5:10 amIAD-SIN
42h 40m2 stops
Sun, Feb 23
9:30 pm - 9:10 pmIAD-SIN
34h 40m2 stops
Thu, Feb 20
8:05 pm - 8:45 amIAD-SIN
23h 40m1 stop
$487Qatar Airways
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Sun, Feb 23
1:30 pm - 8:45 amIAD-SIN
30h 15m1 stop
$522Turkish Airlines
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Sun, Feb 9
2:00 pm - 5:35 pmIAD-SIN
38h 35m1 stop
$538Turkish Airlines
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Thu, Feb 13
9:05 pm - 12:55 pmIAD-SIN
27h 50m2 stops
$556Qatar Airways
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Mon, Mar 24
6:15 am - 8:15 pmBWI-SIN
26h 00m1 stop
$679United Airlines
Find Deal
Mon, Mar 24
5:59 pm - 8:00 amDCA-SIN
25h 01m1 stop
$679United Airlines
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Thu, Feb 20
10:55 am - 8:45 pmIAD-SIN
21h 50m1 stop
$928American Airlines
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Thu, Jun 19
1:30 pm - 5:35 pmIAD-SIN
39h 05m1 stop
5:05 am - 7:30 pmSIN-IAD
27h 25m1 stop
$841Turkish Airlines
Find Deal
Fri, Jan 24 - Thu, Feb 6
1:30 pm - 5:35 pmIAD-SIN
39h 05m1 stop
10:25 am - 7:30 pmSIN-IAD
46h 05m1 stop
$876Turkish Airlines
Find Deal
Fri, Jan 24 - Thu, Feb 6
9:25 pm - 5:35 pmIAD-SIN
31h 10m1 stop
5:05 am - 11:35 amSIN-IAD
43h 30m1 stop
$897Turkish Airlines
Find Deal
Thu, Jan 23 - Thu, Jan 30
8:05 pm - 8:45 amIAD-SIN
23h 40m1 stop
3:15 am - 3:55 pmSIN-IAD
25h 40m1 stop
$1,083Qatar Airways
Find Deal
Fri, Jan 24 - Wed, Feb 5
10:35 am - 9:15 pmIAD-SIN
21h 40m1 stop
3:15 am - 3:55 pmSIN-IAD
25h 40m1 stop
$1,089Qatar Airways
Find Deal
Fri, Jan 24 - Thu, Jan 30
8:05 pm - 8:45 amIAD-SIN
23h 40m1 stop
3:15 am - 3:55 pmSIN-IAD
25h 40m1 stop
$1,157JetBlue
Find Deal
Fri, Jan 24 - Wed, Feb 5
5:59 pm - 8:00 amDCA-SIN
25h 01m1 stop
10:20 pm - 4:52 pmSIN-DCA
31h 32m1 stop
$1,192United Airlines
Find Deal
Wed, Jan 22 - Wed, Jan 29
5:59 pm - 8:00 amDCA-SIN
25h 01m1 stop
10:20 pm - 10:43 amSIN-DCA
25h 23m2 stops
$1,196United Airlines
Find Deal
Wed, Jan 22 - Wed, Jan 29
8:30 pm - 6:25 pmBWI-SIN
32h 55m1 stop
11:15 pm - 6:45 pmSIN-BWI
32h 30m1 stop
$3,454American Airlines
Find Deal
Fri, Jan 24 - Thu, Feb 6
8:30 pm - 6:25 pmBWI-SIN
32h 55m1 stop
2:20 am - 2:29 pmSIN-BWI
25h 09m2 stops
$4,188American Airlines
Find Deal
Fri, Jan 24 - Wed, Feb 5

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

Our best Air India deals on Washington, D.C. to Singapore flight tickets
Air India
Mar 29
IAD11:00 amWashington, D.C. Dulles Intl
22h 45m
1 stop
SIN9:45 pmSingapore Changi
Apr 6
SIN11:00 pmSingapore Changi
44h 15m
1 stop
IAD7:15 amWashington, D.C. Dulles Intl
Air India
Mar 28
IAD11:00 amWashington, D.C. Dulles Intl
22h 45m
1 stop
SIN9:45 pmSingapore Changi
Apr 2
SIN11:00 pmSingapore Changi
44h 15m
1 stop
IAD7:15 amWashington, D.C. Dulles Intl
Air India
Mar 8
IAD10:00 amWashington, D.C. Dulles Intl
32h 00m
1 stop
SIN7:00 amSingapore Changi
Mar 14
SIN8:00 pmSingapore Changi
23h 50m
1 stop
IAD7:50 amWashington, 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
Mar 27
IAD7:10 pmWashington, D.C. Dulles Intl
32h 20m
1 stop
SIN3:30 pmSingapore Changi
Apr 7
SIN5:15 pmSingapore Changi
34h 30m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
SAUDIA
Feb 13
IAD6:10 pmWashington, D.C. Dulles Intl
32h 20m
1 stop
SIN3:30 pmSingapore Changi
Mar 3
SIN5:00 pmSingapore Changi
34h 45m
1 stop
IAD2:45 pmWashington, D.C. Dulles Intl
SAUDIA
Feb 13
IAD6:10 pmWashington, D.C. Dulles Intl
32h 20m
1 stop
SIN3:30 pmSingapore Changi
Mar 12
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 typical price of a round-trip flight between Washington, D.C. and Singapore?

What is the cheapest month to fly to Singapore?

The month of November is, on average, the cheapest month to fly to Singapore from Washington, D.C., with most prices found around $1,006. If you aren’t able to travel to Singapore during the month of November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,022.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Washington, D.C. to Singapore is on a Wednesday when prices can be found for as low as $1,184. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,370.

What is the cheapest time of day to depart on your flight to Singapore?

At noon is the cheapest time of day to fly from Washington, D.C. to Singapore when you can find flight prices for as low as $1,137. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,511 on average. Flights to Singapore from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

As of January 2025, prices for Washington, D.C. to Singapore flights are approximately 22% more expensive when compared to flights at the same time last year.

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

$436

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 $436. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $830.
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 and Washington, D.C. Reagan-National 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
Turkish AirlinesPriceFrom $834Free CancellationRating
7.3
3,931 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $904Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
DeltaPriceFrom $1,009Free CancellationRating
8.0
8,521 reviews
Search Delta flights
Qatar AirwaysPriceFrom $1,016Free CancellationRating
7.5
3,752 reviews
Search Qatar Airways flights
American AirlinesPriceFrom $1,021Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $1,028Free CancellationRating
7.4
3,201 reviews
Search JetBlue flights
Korean AirPriceFrom $1,100Free CancellationRating
8.4
1,039 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $1,226Free CancellationRating
8.1
1,328 reviews
Search Singapore Airlines flights
EmiratesPriceFrom $1,666Free CancellationRating
8.1
3,360 reviews
Search Emirates 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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