S$593 Cheap Flights from Washington to Singapore

View S$593 flight on Tue, 20 Jan, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Singapore Changi Airport (SIN)

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Cheap Flights from Washington to Singapore (DCA-SIN)

Prices were available within the past 7 days and start at S$593 for one-way flights and S$1,327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, 26 Jan - Tue, 3 Feb
DCA
Washington
SIN
Singapore
S$1,327 Return, found 6 days ago
S$1,327
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 26 Jan from Washington to Singapore, returning Tue, 3 Feb, priced at S$1,327 found 6 days ago
Alaska Airlines
Mon, 26 Jan - Tue, 3 Feb
DCA
Washington
SIN
Singapore
S$1,340 Return, found 6 days ago
S$1,340
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 26 Jan from Washington to Singapore, returning Tue, 3 Feb, priced at S$1,340 found 6 days ago
Alaska Airlines
Sun, 25 Jan - Mon, 2 Feb
DCA
Washington
SIN
Singapore
S$1,347 Return, found 4 days ago
S$1,347
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 25 Jan from Washington to Singapore, returning Mon, 2 Feb, priced at S$1,347 found 4 days ago
Alaska Airlines
Mon, 3 Nov - Tue, 18 Nov
DCA
Washington
SIN
Singapore
S$1,359 Return, found 5 days ago
S$1,359
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 3 Nov from Washington to Singapore, returning Tue, 18 Nov, priced at S$1,359 found 5 days ago
Alaska Airlines
Tue, 14 Oct - Tue, 21 Oct
DCA
Washington
SIN
Singapore
S$1,367 Return, found 12 hours ago
S$1,367
Return
found 12 hours ago
Select Alaska Airlines flight, departing Tue, 14 Oct from Washington to Singapore, returning Tue, 21 Oct, priced at S$1,367 found 12 hours ago
Alaska Airlines
Sun, 25 Jan - Mon, 2 Feb
DCA
Washington
SIN
Singapore
S$1,379 Return, found 4 days ago
S$1,379
Return
found 4 days ago
Select Alaska Airlines flight, departing Sun, 25 Jan from Washington to Singapore, returning Mon, 2 Feb, priced at S$1,379 found 4 days ago
JetBlue Airways
Sun, 25 Jan - Mon, 2 Feb
DCA
Washington
SIN
Singapore
S$1,388 Return, found 4 days ago
S$1,388
Return
found 4 days ago
Select JetBlue Airways flight, departing Sun, 25 Jan from Washington to Singapore, returning Mon, 2 Feb, priced at S$1,388 found 4 days ago
Cathay Pacific
Mon, 9 Feb - Mon, 23 Feb
DCA
Washington
SIN
Singapore
S$1,392 Return, found 3 days ago
S$1,392
Return
found 3 days ago
Select Cathay Pacific flight, departing Mon, 9 Feb from Washington to Singapore, returning Mon, 23 Feb, priced at S$1,392 found 3 days ago
United
Mon, 3 Nov - Tue, 18 Nov
DCA
Washington
SIN
Singapore
S$1,438 Return, found 5 days ago
S$1,438
Return
found 5 days ago
Select United flight, departing Mon, 3 Nov from Washington to Singapore, returning Tue, 18 Nov, priced at S$1,438 found 5 days ago
Japan Airlines
Mon, 26 Jan - Tue, 3 Feb
DCA
Washington
SIN
Singapore
S$1,484 Return, found 6 days ago
S$1,484
Return
found 6 days ago
Select Japan Airlines flight, departing Mon, 26 Jan from Washington to Singapore, returning Tue, 3 Feb, priced at S$1,484 found 6 days ago

Frequently asked questions

How much is a flight from DCA to SIN?
Pack your bags, because round-trip journeys between DCA and Changi Airport start from S$1,327. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ronald Reagan Washington National Airport (DCA) to SIN?
The majority of flights can be cancelled online, but every airline has a different set of terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from DCA to Changi Airport (SIN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for DCA to SIN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ronald Reagan Washington National Airport (DCA) to Changi Airport?
The distance is around 15,600 kilometres, so pack your carry-on bag with all you need to make the long journey comfortable. Wondering what to take on board your Arlington to Singapore flight? Earplugs, a sleep mask and a neck pillow are among the essentials.
Which airlines fly direct from National Airport to Singapore Airport?
You won't find any airlines operating directly between National Airport and Changi Airport (SIN), so be prepared to make at least one stop on your journey. A layover can be a good way to break up a trip!
Are Ronald Reagan Washington National Airport (DCA) to Changi Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so not always. While last-minute flight deals between DCA and Changi Airport are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some carriers advertise their prices up to 12 months ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking and be ready to lock in your seat when prices drop.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Changi
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, British Airways, Cathay Pacific, Delta, Japan Airlines, KLM, Korean Air, Qatar Airways, United
Return price
S$1,327
Distance
15452 km

Book with confidence

Flights from Washington to Singapore

There are several airlines that operate frequent flights from Washington D.C. (DCA) to Singapore (SIN) including

The earliest flight leaves Ronald Reagan Washington National Airport at 07:59 and arrives at Changi Airport at 00:05. The last flight of the day departs Washington D.C. at 17:45 and arrives at Singapore at 07:55.

The flight distance from Washington D.C. to Singapore is about 16854 km, the shortest flight is 00 hours with United Airlines."

Expedia lets you search across the largest number of airlines and Singapore flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Washington Singapore flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Washington to Singapore trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Singapore flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Washington to Singapore with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Flights from Washington to Singapore

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