How long is the flight from Washington, D.C. to Singapore?

A quick flight from Washington, D.C. to Singapore can take about 23h 35m. Etihad Airways provides one of the quickest options available for as low as S$ 1,139. Airlines will cover a distance of 15521 km. This flight may include one or multiple stops. Find deals

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm. Find deals

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C). Find deals

What are the most popular routes from Washington, D.C. to Singapore?

Most travellers choose Washington, D.C. Dulles Intl - Singapore Changi, Baltimore/Washington - Singapore Changi or Washington, D.C. Reagan-National - Singapore Changi when deciding on the best route from Washington, D.C. to Singapore. Find deals

How far in advance should I book a flight from Washington, D.C. to Singapore?

To save on the cost of your flight from Washington, D.C. to Singapore, book at least 51 days before your planned departure. Booking around this time can save you about 36% on the cost of this flight compared to booking a flight leaving this week. We have found prices from S$ 1,230 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as S$ 1,230.

What is the cheapest month to fly from Washington, D.C. to Singapore?

August is one of the best times of the year to fly to Singapore from Washington, D.C.. Prices for August average S$ 1,490 per person but you can even find prices for as low as S$ 868. The most expensive prices can be found in the month of December. Opting for a August flight can save you 56% on your journey compared to booking in December

What is the cheapest time of day to fly from WAS to SG?

When flying from Washington, D.C. to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Washington, D.C. to Singapore that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Singapore?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Singapore.

Can I find deals for business class flights from Washington, D.C. to Singapore?

Yes. Cheapflights offers flight deals from Washington, D.C. to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

S$ 353+ Cheap Flights from Washington, D.C. to Singapore

Cheap flight deals from Washington, D.C. to Singapore

Round-trip from	S$ 1,027
One-way from	S$ 353
Popular in	December
Cheapest in	August
Average price	S$ 948

17-9-24-9
4 total stops
58h 01m total
Washington, D.C. to Singapore

Search Deals

5-9
3 total stops
59h 41m total
Washington, D.C. to Singapore

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (S$ 264 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (S$ 100 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Washington, D.C. to Singapore

Cheapest flights from Washington, D.C. to Singapore
Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2025.

Wed 17-905:45BWI - SIN

2 stops29h 35mMultiple Airlines

Wed 24-914:35SIN - BWI

2 stops28h 26mMultiple Airlines

Deal found 18-8S$ 1,027

Thu 4-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Mon 22-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 20-8S$ 1,113

Sat 4-1005:45BWI - SIN

2 stops36h 30mMultiple Airlines

Sat 11-1020:40SIN - BWI

2 stops45h 55mMultiple Airlines

Deal found 20-8S$ 1,126

Sat 11-1022:05IAD - SIN

1 stop23h 35mEtihad Airways

Mon 20-1021:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 19-8S$ 1,139

Sun 31-822:05IAD - SIN

1 stop23h 35mEtihad Airways

Sun 14-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 19-8S$ 1,141

Mon 25-822:05IAD - SIN

1 stop23h 35mEtihad Airways

Mon 8-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 18-8S$ 1,143

Thu 11-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Tue 30-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 20-8S$ 1,148

Thu 4-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Fri 19-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 19-8S$ 1,150

Tue 9-922:05IAD - SIN

1 stop24h 20mEtihad Airways

Mon 29-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 20-8S$ 1,154

Tue 9-922:05IAD - SIN

1 stop24h 20mEtihad Airways

Tue 23-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 20-8S$ 1,157

Wed 3-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Thu 18-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 18-8S$ 1,158

Mon 13-1022:05IAD - SIN

1 stop23h 35mEtihad Airways

Fri 7-1119:25SIN - IAD

1 stop33h 40mEtihad Airways

Deal found 19-8S$ 1,162

Best flights from Washington, D.C. to Singapore
Discover carefully curated flight deals from Washington, D.C. to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2025.

Wed 17-905:45BWI - SIN

2 stops29h 35mMultiple Airlines

Wed 24-914:35SIN - BWI

2 stops28h 26mMultiple Airlines

Deal found 18-8S$ 1,027

Sat 11-1022:05IAD - SIN

1 stop23h 35mEtihad Airways

Mon 20-1021:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 19-8S$ 1,139

Sat 4-1020:40DCA - SIN

2 stops46h 25mAir Canada

Sat 11-1009:10SIN - DCA

2 stops35h 49mAir Canada

Deal found 20-8S$ 1,244

Thu 11-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Tue 30-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 19-8S$ 1,149

Sat 11-1005:35BWI - SIN

2 stops29h 45mMultiple Airlines

Mon 20-1014:35SIN - BWI

2 stops28h 00mMultiple Airlines

Deal found 19-8S$ 1,168

Wed 12-1106:00DCA - SIN

2 stops36h 00mAir Canada

Tue 18-1109:20SIN - DCA

2 stops25h 36mAir Canada

Deal found 19-8S$ 1,262

Sun 14-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Tue 30-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 19-8S$ 1,149

Mon 3-1105:35BWI - SIN

2 stops29h 05mMultiple Airlines

Wed 5-1100:40SIN - BWI

2 stops31h 39mMultiple Airlines

Deal found 19-8S$ 1,200

Wed 19-1106:00DCA - SIN

2 stops36h 00mAir Canada

Mon 1-1223:10SIN - DCA

2 stops36h 25mAir Canada

Deal found 19-8S$ 1,263

Thu 11-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Thu 2-1021:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 21-8S$ 1,149

Tue 2-905:45BWI - SIN

2 stops29h 35mMultiple Airlines

Wed 17-914:35SIN - BWI

2 stops28h 26mMultiple Airlines

Deal found 19-8S$ 1,224

Sat 20-922:05IAD - SIN

1 stop23h 35mEtihad Airways

Sun 5-1021:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 20-8S$ 1,154

Last-minute flights from Washington, D.C. to Singapore
Discover last-minute flight deals from Washington, D.C. to Singapore. Data last updated 21 August 2025 and is based on user searches.

Tue 26-808:25IAD - SIN

1 stop34h 40mAir Canada

Wed 3-906:15SIN - IAD

2 stops26h 50mAir Canada

Deal found 18-8S$ 1,322

Tue 26-817:30DCA - SIN

2 stops30h 15mCathay Pacific

Wed 3-920:05SIN - DCA

2 stops40h 53mCathay Pacific

Deal found 18-8S$ 1,333

Tue 26-813:30IAD - SIN

1 stop40h 25mTurkish Airlines

Wed 3-923:10SIN - IAD

1 stop24h 35mTurkish Airlines

Deal found 18-8S$ 1,347

Wed 27-811:00IAD - SIN

1 stop22h 00mQatar Airways

Thu 4-910:30SIN - IAD

1 stop41h 10mQatar Airways

Deal found 19-8S$ 1,325

Wed 27-809:35IAD - SIN

2 stops27h 10mAir Canada

Thu 4-906:15SIN - IAD

2 stops26h 50mAir Canada

Deal found 19-8S$ 1,340

Wed 27-812:35DCA - SIN

2 stops28h 55mCathay Pacific

Thu 4-908:00SIN - DCA

2 stops28h 58mCathay Pacific

Deal found 19-8S$ 1,352

Thu 28-811:00IAD - SIN

1 stop22h 00mQatar Airways

Thu 4-903:10SIN - IAD

1 stop24h 30mQatar Airways

Deal found 20-8S$ 1,403

Sun 31-822:05IAD - SIN

1 stop23h 35mEtihad Airways

Sun 14-921:10SIN - IAD

1 stop31h 00mEtihad Airways

Deal found 19-8S$ 1,141

Sun 31-822:05IAD - SIN

2 stops25h 25mMultiple Airlines

Sun 14-921:10SIN - IAD

1 stop31h 00mMultiple Airlines

Deal found 19-8S$ 1,335

Sun 31-810:04BWI - SIN

2 stops31h 26mMultiple Airlines

Sun 14-915:15SIN - BWI

2 stops27h 46mMultiple Airlines

Deal found 19-8S$ 1,351

Sun 31-811:00IAD - SIN

1 stop22h 00mQatar Airways

Sat 13-903:10SIN - IAD

1 stop24h 30mQatar Airways

Deal found 19-8S$ 1,373

Sun 31-812:35DCA - SIN

2 stops28h 55mCathay Pacific

Sun 14-920:05SIN - DCA

2 stops40h 53mCathay Pacific

Deal found 19-8S$ 1,448

One-way flights from Washington, D.C. to Singapore
Search for one-way flight options from Washington, D.C. to Singapore. Find affordable one-way fares based on user searches. Data last updated 21 August 2025.

Fri 5-919:14IAD - SIN

3 stops59h 41mMultiple Airlines

Deal found 20-8S$ 353

Sat 18-1014:09BWI - SIN

3 stops45h 11mMultiple Airlines

Deal found 20-8S$ 355

Mon 15-919:14IAD - SIN

3 stops59h 41mMultiple Airlines

Deal found 20-8S$ 355

Fri 19-915:15IAD - SIN

3 stops58h 05mMultiple Airlines

Deal found 19-8S$ 356

Mon 15-920:14BWI - SIN

3 stops58h 41mMultiple Airlines

Deal found 20-8S$ 360

Mon 20-1021:28IAD - SIN

3 stops57h 27mMultiple Airlines

Deal found 20-8S$ 366

Mon 20-1021:55BWI - SIN

3 stops57h 00mMultiple Airlines

Deal found 20-8S$ 382

Thu 4-915:15IAD - SIN

3 stops34h 05mMultiple Airlines

Deal found 19-8S$ 405

Thu 28-811:34IAD - SIN

3 stops37h 46mMultiple Airlines

Deal found 20-8S$ 473

Thu 2-1005:45BWI - SIN

2 stops29h 35mMultiple Airlines

Deal found 20-8S$ 482

Tue 21-1005:35BWI - SIN

2 stops39h 50mMultiple Airlines

Deal found 20-8S$ 496

Thu 18-906:10IAD - SIN

3 stops53h 10mMultiple Airlines

Deal found 18-8S$ 536

Cheapflights Fare Finder

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

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Wed 17-9

05:45-23:20

2 stops29h 35m

Singapore Changi

Wed 24-9

14:35-07:01

2 stops28h 26m

S$ 1,027

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 11-10

22:05-09:40

1 stop23h 35m

Singapore Changi

Mon 20-10

21:10-16:10

1 stop31h 00m

S$ 1,139

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 11-9

22:05-09:40

1 stop23h 35m

Singapore Changi

Tue 30-9

21:10-16:10

1 stop31h 00m

S$ 1,149

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 14-9

22:05-09:40

1 stop23h 35m

Singapore Changi

Tue 30-9

21:10-16:10

1 stop31h 00m

S$ 1,149

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 11-9

22:05-09:40

1 stop23h 35m

Singapore Changi

Thu 2-10

21:10-16:10

1 stop31h 00m

S$ 1,149

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 20-9

22:05-09:40

1 stop23h 35m

Singapore Changi

Sun 5-10

21:10-16:10

1 stop31h 00m

S$ 1,154

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 18-9

22:05-09:40

1 stop23h 35m

Singapore Changi

Fri 3-10

21:10-16:10

1 stop31h 00m

S$ 1,157

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 3-9

22:05-09:40

1 stop23h 35m

Singapore Changi

Thu 18-9

21:10-16:10

1 stop31h 00m

S$ 1,158

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 1-9

22:05-09:40

1 stop23h 35m

Singapore Changi

Wed 10-9

21:10-16:10

1 stop31h 00m

S$ 1,164

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 2-9

22:05-10:25

1 stop24h 20m

Singapore Changi

Wed 17-9

21:10-16:10

1 stop31h 00m

S$ 1,164

Flights are sorted by cheapest return flights first.

Deals found on 20-8

Showing 1-10 of 57 results

...

Best time to book a flight from Washington, D.C. to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Washington, D.C. with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Singapore

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Washington, D.C. to Singapore?
A quick flight from Washington, D.C. to Singapore can take about 23h 35m. Etihad Airways provides one of the quickest options available for as low as S$ 1,139. Airlines will cover a distance of 15521 km. This flight may include one or multiple stops.
What are the most popular routes from Washington, D.C. to Singapore?
Most travellers choose Washington, D.C. Dulles Intl - Singapore Changi, Baltimore/Washington - Singapore Changi or Washington, D.C. Reagan-National - Singapore Changi when deciding on the best route from Washington, D.C. to Singapore.
Can I find deals for flights from Washington, D.C. to Singapore that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Singapore.
Can I find deals for business class flights from Washington, D.C. to Singapore?
Yes. Cheapflights offers flight deals from Washington, D.C. to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Washington, D.C. to Singapore

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Top airline flying from Washington, D.C. to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	CheapestS$ 1,274	AverageS$ 2,032	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

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How does Cheapflights help users find flights from Washington, D.C. to Singapore?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Washington, D.C. to Singapore. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Singapore?

Cheapflights simply makes it quick and affordable to book flights from Washington, D.C. to Singapore by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Washington, D.C. to Singapore with no change fees?

Yes, we can. To see specific flights from Washington, D.C. to Singapore with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Singapore become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Singapore from Washington, D.C. today and book when prices fit your budget.

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Cheap flights from Washington, D.C. to Singapore from S$ 353

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5-9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington, D.C. to Singapore

Keep the following information in mind while searching for Washington, D.C. to Singapore flight deals. Data was last updated 21 August 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Singapore

Cheapest flights from Washington, D.C. to SingaporeExplore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2025.

Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.

Best time to book a flight from Washington, D.C. to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Singapore

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. to Singapore?

What are the most popular routes from Washington, D.C. to Singapore?

Can I find deals for flights from Washington, D.C. to Singapore that include hotel bookings?

How can I find direct flights from Washington, D.C. to Singapore?

Can I find deals for business class flights from Washington, D.C. to Singapore?

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Alternative routes for Washington, D.C. to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington, D.C. to Singapore

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Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Singapore?

Can Cheapflights find flights from Washington, D.C. to Singapore with no change fees?

Can Cheapflights notify me if prices for flights from Washington, D.C. to Singapore become cheaper?

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Cheapest flights from Washington, D.C. to Singapore
Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2025.