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Cheap flights from Washington, D.C. to Singapore from $425

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 9/21. 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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Easily compare round-trip flights from Washington, D.C. to Singapore

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Washington, D.C. to Singapore by changing tabs
SAUDIA
Aug 31
IAD7:10 pmWashington, D.C. Dulles Intl
32h 35m
1 stop
SIN3:45 pmSingapore Changi
Sep 14
SIN5:15 pmSingapore Changi
34h 30m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Turkish Airlines
Oct 30
IAD10:25 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
SIN5:35 pmSingapore Changi
Nov 14
SIN10:05 amSingapore Changi
46h 25m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Qatar Airways
Aug 31
IAD9:05 pmWashington, D.C. Dulles Intl
29h 35m
2 stops
SIN2:40 pmSingapore Changi
Sep 16
SIN7:15 pmSingapore Changi
32h 55m
2 stops
IAD4:10 pmWashington, D.C. Dulles Intl
Multiple Airlines
Sep 8
IAD7:10 pmWashington, D.C. Dulles Intl
34h 10m
2 stops
SIN5:20 pmSingapore Changi
Sep 14
SIN5:15 pmSingapore Changi
34h 30m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
JetBlue
Sep 11
IAD9:05 pmWashington, D.C. Dulles Intl
23h 55m
1 stop
SIN9:00 amSingapore Changi
Sep 30
SIN2:45 amSingapore Changi
25h 25m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
American Airlines
Nov 21
IAD8:05 pmWashington, D.C. Dulles Intl
36h 35m
1 stop
SIN9:40 pmSingapore Changi
Nov 25
SIN2:00 amSingapore Changi
26h 55m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl

Find the cheapest one-way flights from Washington, D.C. to Singapore

If you're looking for one-way flights from Washington, D.C. to Singapore, view some of our deals below provided by Air India, American Airlines and Qatar Airways
Multiple Airlines
Sep 21
IAD7:10 pmWashington, D.C. Dulles Intl
35h 45m
3 stops
SIN6:55 pmSingapore Changi
SAUDIA
Aug 22
IAD7:10 pmWashington, D.C. Dulles Intl
32h 35m
1 stop
SIN3:45 pmSingapore Changi
Air India
Sep 25
IAD11:15 amWashington, D.C. Dulles Intl
32h 35m
2 stops
SIN7:50 amSingapore Changi

Search last-minute flights to Singapore from Washington, D.C.

Find and compare round-trip flight prices for your last-minute flight from Washington, D.C. to Singapore
Multiple Airlines
Jul 20
IAD10:00 pmWashington, D.C. Dulles Intl
35h 10m
2 stops
SIN9:10 pmSingapore Changi
Aug 10
SIN5:15 pmSingapore Changi
34h 30m
1 stop
IAD3:45 pmWashington, D.C. Dulles Intl
Turkish Airlines
Jul 17
IAD4:40 pmWashington, D.C. Dulles Intl
37h 15m
1 stop
SIN5:55 pmSingapore Changi
Aug 8
SIN10:15 amSingapore Changi
40h 30m
1 stop
IAD2:45 pmWashington, D.C. Dulles Intl
American Airlines
Jul 16
IAD10:55 amWashington, D.C. Dulles Intl
21h 50m
1 stop
SIN8:45 pmSingapore Changi
Jul 27
SIN2:45 amSingapore Changi
25h 25m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
Qatar Airways
Jul 17
IAD10:55 amWashington, D.C. Dulles Intl
21h 50m
1 stop
SIN8:45 pmSingapore Changi
Jul 22
SIN2:45 amSingapore Changi
25h 25m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
Finnair
Jul 20
DCA7:00 pmWashington, D.C. Reagan-National
35h 35m
2 stops
SIN6:35 pmSingapore Changi
Aug 14
SIN9:45 pmSingapore Changi
37h 16m
2 stops
DCA11:01 pmWashington, D.C. Reagan-National
United Airlines
Jul 17
BWI7:05 amBaltimore/Washington
23h 40m
1 stop
SIN6:45 pmSingapore Changi
Jul 23
SIN9:00 pmSingapore Changi
31h 39m
1 stop
BWI4:39 pmBaltimore/Washington

JetBlue flights from Washington, D.C. to Singapore

Our best JetBlue deals on Washington, D.C. to Singapore flight tickets
JetBlue
Sep 11
IAD9:05 pmWashington, D.C. Dulles Intl
23h 55m
1 stop
SIN9:00 amSingapore Changi
Sep 30
SIN2:45 amSingapore Changi
25h 25m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
JetBlue
Sep 8
IAD10:55 amWashington, D.C. Dulles Intl
21h 50m
1 stop
SIN8:45 pmSingapore Changi
Sep 13
SIN2:45 amSingapore Changi
25h 25m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
JetBlue
Sep 16
IAD10:55 amWashington, D.C. Dulles Intl
21h 50m
1 stop
SIN8:45 pmSingapore Changi
Sep 22
SIN2:45 amSingapore Changi
25h 25m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl

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

Our best Ethiopian Air deals on Washington, D.C. to Singapore flight tickets
Ethiopian Air
Sep 4
IAD9:35 pmWashington, D.C. Dulles Intl
29h 15m
2 stops
SIN2:50 pmSingapore Changi
Sep 22
SIN2:00 amSingapore Changi
29h 40m
2 stops
IAD7:40 pmWashington, D.C. Dulles Intl
Ethiopian Air
Jul 17
IAD9:35 pmWashington, D.C. Dulles Intl
29h 15m
2 stops
SIN2:50 pmSingapore Changi
Jul 26
SIN2:00 amSingapore Changi
29h 40m
2 stops
IAD7:40 pmWashington, D.C. Dulles Intl

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?

September. The cheapest time of year to fly to Singapore from Washington, D.C. is September. 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 Friday

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

In the evening. Washington, D.C. to Singapore flights are approximately 25% more expensive in the afternoon than in the evening

What is the cheapest airline that flies to Singapore from Washington, D.C.?

Turkish Airlines. Turkish Airlines, Etihad Airways, and JetBlue are the most popular carriers operating from Washington, D.C. to Singapore

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?

58 days before. The cheapest time to buy a flight from Washington, D.C. to Singapore is approximately 58 days to departure

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

As of July 2024, prices for Washington, D.C. to Singapore flights are approximately 2% cheaper when compared to flights at the same time last year.

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

$425

Fastest flight time

21h 50m

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 $425. The best round-trip flight deal from Washington, D.C. to Singapore found on momondo in the last 72 hours is $834.
The fastest flight from Washington, D.C. to Singapore takes 21h 50m
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 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 50m.

  • 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.


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
Etihad AirwaysPriceFrom $884Free CancellationRating
7.2
1,299 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $951Free CancellationRating
7.4
3,742 reviews
Search Turkish Airlines flights
DeltaPriceFrom $995Free CancellationRating
8.0
9,842 reviews
Search Delta flights
JetBluePriceFrom $1,028Free CancellationRating
7.6
4,082 reviews
Search JetBlue flights
Qatar AirwaysPriceFrom $1,053Free CancellationRating
7.6
4,192 reviews
Search Qatar Airways flights
American AirlinesPriceFrom $1,059Free CancellationRating
7.3
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,107Free CancellationRating
8.5
1,103 reviews
Search Korean Air flights
Singapore AirlinesPriceFrom $1,194Free CancellationRating
8.2
1,369 reviews
Search Singapore Airlines flights
LufthansaPriceFrom $1,456Free CancellationRating
6.9
7,379 reviews
Search Lufthansa flights
EmiratesPriceFrom $1,641Free CancellationRating
8.1
3,787 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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