What are the cheapest airlines flying from Singapore to Washington, D.C. round-trip?

Cheapflights users have booked flights from Singapore to Washington, D.C. round-trip from $804. Other airlines that can offer you cheap pricing are United Airlines, from $885, and ANA, from $918. Users have found that Air Canada is 36% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Singapore to Washington, D.C. one-way?

The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as $452. However, be on the lookout for offers from Air Canada and IndiGo, as they are both options that can get you from Singapore to Washington, D.C. for a low price.

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

Travelers seeking maximum savings on their Singapore to Washington, D.C. flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

The most popular flight routes from Singapore to Washington, D.C. are Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington and Singapore Changi - Washington, D.C. Reagan-National.

What is the cheapest day to fly round-trip from Singapore to Washington, D.C.?

Saturday flights are found to be more expensive to fly from Singapore to Washington, D.C.. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

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

September is one of the best times of the year to fly to Washington, D.C. from Singapore. Prices for September average $1,264 per person but you can even find prices for as low as $604. The most expensive prices can be found in the month of August. Opting for a September flight can save you 26% on your journey compared to booking in August

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from Singapore to Washington, D.C. by exploring options for tickets at noon.

What airport do you fly from for flights from Singapore to Washington, D.C.?

If you book a flight to Washington, D.C. from Singapore, you will be flying from Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore. There are 0 flights from Changi to Washington, D.C. per day from 1 airline.

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

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

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

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

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

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

$452+ Flights from Singapore to Washington, D.C.

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

Round-trip from	$804 (Air Canada)
One-way from	$452 (Mytrip)
Popular in	August
Cheapest in	September
Average price	$1,533

From Singapore Changi to Washington, D.C. (WAS)

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One-way flight from Singapore Changi to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($145 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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

Cheapest flights from Singapore to Washington, D.C.
Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Sun 10/510:10 pmSIN - IAD

2 stops35h 15mAir Canada

Sat 10/185:37 pmIAD - SIN

2 stops49h 28mAir Canada

Deal found 6/30

$804

Sun 9/216:15 amSIN - DCA

2 stops25h 29mAir Canada

Mon 9/228:40 pmDCA - SIN

2 stops46h 25mAir Canada

Deal found 7/1

$813

Wed 10/159:50 pmSIN - DCA

2 stops35h 24mJapan Airlines

Wed 10/229:00 amDCA - SIN

2 stops44h 30mJapan Airlines

Deal found 6/30

$845

Wed 10/811:05 amSIN - IAD

1 stop35h 00mUnited Airlines

Mon 11/36:30 amIAD - SIN

2 stops36h 30mUnited Airlines

Deal found 6/30

$885

Sun 10/511:05 amSIN - IAD

1 stop35h 00mANA

Sat 10/181:20 pmIAD - SIN

2 stops29h 20mANA

Deal found 7/1

$918

Tue 11/2510:25 amSIN - IAD

1 stop45h 50mTurkish Airlines

Tue 1/271:30 pmIAD - SIN

1 stop30h 15mTurkish Airlines

Deal found 7/2

$1,004

Tue 10/71:55 amSIN - DCA

2 stops31h 19mMultiple Airlines

Mon 11/39:59 amDCA - SIN

2 stops55h 41mMultiple Airlines

Deal found 6/30

$1,059

Wed 10/1511:00 pmSIN - IAD

1 stop44h 40mAir India

Wed 10/2211:00 amIAD - SIN

1 stop32h 15mAir India

Deal found 6/30

$1,069

Sun 10/510:10 pmSIN - IAD

2 stops35h 15mMultiple Airlines

Sat 10/181:30 pmIAD - SIN

1 stop40h 25mMultiple Airlines

Deal found 6/30

$1,078

Thu 7/247:45 pmSIN - IAD

2 stops36h 00mIndiGo

Wed 8/61:30 pmIAD - SIN

2 stops39h 50mIndiGo

Deal found 6/30

$1,111

Wed 8/131:10 amSIN - BWI

3 stops41h 44mMultiple Airlines

Thu 8/2110:04 amBWI - SIN

2 stops31h 26mMultiple Airlines

Deal found 6/30

$1,137

Wed 10/158:45 amSIN - DCA

1 stop25h 06mUnited Airlines

Wed 10/223:30 pmDCA - SIN

2 stops26h 45mUnited Airlines

Deal found 6/30

$1,161

Best flights from Singapore to Washington, D.C.
Discover carefully curated flight deals from Singapore to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Sun 10/510:10 pmSIN - IAD

2 stops35h 15mAir Canada

Sat 10/185:37 pmIAD - SIN

2 stops49h 28mAir Canada

Deal found 6/30

$804

Wed 10/811:05 amSIN - IAD

1 stop35h 00mUnited Airlines

Mon 11/36:30 amIAD - SIN

2 stops36h 30mUnited Airlines

Deal found 6/30

$885

Sun 10/511:05 amSIN - IAD

1 stop35h 00mANA

Sat 10/181:20 pmIAD - SIN

2 stops29h 20mANA

Deal found 7/1

$918

Sun 10/510:15 amSIN - IAD

1 stop37h 30mTurkish Airlines

Sat 10/189:40 pmIAD - SIN

1 stop32h 15mTurkish Airlines

Deal found 7/2

$1,037

Wed 10/1511:00 pmSIN - IAD

1 stop44h 40mAir India

Wed 10/2211:00 amIAD - SIN

1 stop32h 15mAir India

Deal found 6/30

$1,069

Sun 10/510:10 pmSIN - IAD

2 stops35h 15mMultiple Airlines

Sat 10/181:30 pmIAD - SIN

1 stop40h 25mMultiple Airlines

Deal found 6/30

$1,078

Thu 7/247:45 pmSIN - IAD

2 stops36h 00mIndiGo

Wed 8/61:30 pmIAD - SIN

2 stops39h 50mIndiGo

Deal found 6/30

$1,111

Sat 9/201:55 amSIN - DCA

2 stops33h 12mJapan Airlines

Mon 9/2210:45 pmDCA - SIN

2 stops30h 45mJapan Airlines

Deal found 7/1

$1,151

Wed 7/231:55 amSIN - DCA

2 stops26h 26mAmerican Airlines

Wed 8/66:45 amDCA - SIN

2 stops29h 35mAmerican Airlines

Deal found 6/30

$1,248

Wed 10/810:40 pmSIN - BWI

1 stop32h 55mBritish Airways

Mon 11/36:05 pmBWI - SIN

2 stops32h 50mBritish Airways

Deal found 6/30

$1,423

Sun 9/216:15 amSIN - DCA

2 stops25h 29mAir Canada

Mon 9/228:40 pmDCA - SIN

2 stops46h 25mAir Canada

Deal found 7/1

$813

Thu 8/1412:20 amSIN - DCA

2 stops32h 39mPhilippine Airlines

Fri 8/228:20 amDCA - SIN

2 stops41h 00mPhilippine Airlines

Deal found 6/30

$1,634

Last-minute flights from Singapore to Washington, D.C.
Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated July 2, 2025 and is based on user searches.

Thu 7/38:05 amSIN - IAD

2 stops26h 34mAmerican Airlines

Wed 7/166:44 pmIAD - SIN

2 stops41h 36mAmerican Airlines

Deal found 7/2

$1,176

Tue 7/89:10 amSIN - IAD

2 stops36h 27mAir Canada

Sat 7/125:31 pmIAD - SIN

2 stops49h 34mAir Canada

Deal found 7/1

$968

Tue 7/89:10 amSIN - DCA

2 stops35h 47mAir Canada

Sat 7/124:30 pmDCA - SIN

2 stops50h 35mAir Canada

Deal found 7/1

$968

Tue 7/83:10 pmSIN - BWI

2 stops27h 11mMultiple Airlines

Sat 7/127:10 pmBWI - SIN

2 stops28h 50mMultiple Airlines

Deal found 7/1

$1,276

Tue 7/810:30 amSIN - IAD

1 stop34h 10mQatar Airways

Sat 7/1211:00 amIAD - SIN

1 stop22h 00mQatar Airways

Deal found 7/1

$1,379

Tue 7/81:40 amSIN - IAD

1 stop43h 00mEmirates

Sat 7/1210:55 amIAD - SIN

1 stop39h 10mEmirates

Deal found 6/30

$1,766

Wed 7/98:40 pmSIN - IAD

2 stops32h 50mUnited Airlines

Sat 7/1212:20 pmIAD - SIN

1 stop30h 20mUnited Airlines

Deal found 6/30

$1,165

Wed 7/98:40 pmSIN - DCA

2 stops25h 47mUnited Airlines

Sat 7/127:00 amDCA - SIN

1 stop35h 15mUnited Airlines

Deal found 6/30

$1,383

Wed 7/98:45 amSIN - BWI

2 stops26h 32mUnited Airlines

Sat 7/127:00 pmBWI - SIN

1 stop23h 15mUnited Airlines

Deal found 6/30

$1,424

Sat 7/121:55 amSIN - DCA

2 stops33h 16mJapan Airlines

Fri 7/186:53 amDCA - SIN

2 stops29h 27mJapan Airlines

Deal found 6/30

$890

Sat 7/1211:00 pmSIN - IAD

2 stops48h 15mAir India

Sun 8/312:50 pmIAD - SIN

1 stop30h 25mAir India

Deal found 6/30

$1,119

Sat 7/127:45 pmSIN - IAD

2 stops36h 00mMultiple Airlines

Sun 8/312:50 pmIAD - SIN

3 stops31h 40mMultiple Airlines

Deal found 6/30

$1,353

One-way flights from Singapore to Washington, D.C.
Search for one-way flight options from Singapore to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Thu 11/2011:55 pmSIN - IAD

1 stop31h 35mAir China

Deal found 7/1

$452

Thu 11/2010:00 amSIN - IAD

2 stops38h 45mAir Canada

Deal found 7/1

$480

Sat 9/138:45 amSIN - IAD

2 stops43h 25mMultiple Airlines

Deal found 6/30

$571

Fri 9/127:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 6/30

$582

Sat 9/138:45 amSIN - IAD

1 stop34h 55mAir India

Deal found 7/2

$587

Fri 9/126:15 amSIN - DCA

2 stops27h 36mAir Canada

Deal found 7/1

$628

Fri 9/123:10 pmSIN - BWI

2 stops26h 29mMultiple Airlines

Deal found 7/2

$683

Thu 8/143:10 pmSIN - DCA

2 stops38h 48mEVA Air

Deal found 6/30

$713

Wed 8/133:10 pmSIN - IAD

2 stops40h 09mEVA Air

Deal found 7/2

$715

Thu 11/201:15 pmSIN - BWI

2 stops30h 03mEVA Air

Deal found 7/1

$718

Thu 9/112:00 amSIN - DCA

2 stops51h 59mChina Airlines

Deal found 7/1

$723

Wed 11/192:00 amSIN - IAD

2 stops41h 23mChina Airlines

Deal found 7/1

$734

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

10:10 pm-9:25 pm

2 stops35h 15m

Washington, D.C. Dulles Intl

Sat 10/18

5:37 pm-7:05 am

2 stops49h 28m

$804

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 9/21

6:15 am-7:44 pm

2 stops25h 29m

Washington, D.C. Reagan-National

Mon 9/22

8:40 pm-7:05 am

2 stops46h 25m

$813

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 10/8

11:05 am-10:05 am

1 stop35h 00m

Washington, D.C. Dulles Intl

Mon 11/3

6:30 am-8:00 am

2 stops36h 30m

$885

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

11:05 am-10:05 am

1 stop35h 00m

Washington, D.C. Dulles Intl

Sat 10/18

1:20 pm-6:40 am

2 stops29h 20m

$918

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 11/25

10:25 am-7:15 pm

1 stop45h 50m

Washington, D.C. Dulles Intl

Tue 1/27

1:30 pm-8:45 am

1 stop30h 15m

$1,004

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 10/15

11:00 pm-7:40 am

1 stop44h 40m

Washington, D.C. Dulles Intl

Wed 10/22

11:00 am-7:15 am

1 stop32h 15m

$1,069

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

10:10 pm-9:25 pm

2 stops35h 15m

Washington, D.C. Dulles Intl

Sat 10/18

1:30 pm-5:55 pm

1 stop40h 25m

$1,078

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 7/24

7:45 pm-7:45 pm

2 stops36h 00m

Washington, D.C. Dulles Intl

Wed 8/6

1:30 pm-5:20 pm

2 stops39h 50m

$1,111

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Wed 8/13

1:10 am-6:54 am

3 stops41h 44m

Baltimore/Washington

Thu 8/21

10:04 am-5:30 am

2 stops31h 26m

$1,137

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sun 9/21

9:10 am-12:08 pm

2 stops38h 58m

Washington, D.C. Reagan-National

Mon 9/22

6:45 pm-5:40 pm

3 stops34h 55m

$1,140

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 46 results

...

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

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

Estimated round-trip 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 Singapore to Washington, D.C.

What is the cheapest month to book a flight from Singapore to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $309). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Singapore to Washington, D.C., such as EVA Air, ANA, and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,214 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,214 reviews

EVA Air

8.4

Very good

1,214 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.4

Very good

892 reviews

EVA Air

8.4

Very good

1,214 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,505 reviews

EVA Air

8.4

Very good

1,214 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

747 reviews

EVA Air

8.4

Very good

1,214 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Emirates

8.1

Very good

3,285 reviews

EVA Air

8.4

Very good

1,214 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What airport do you fly from for flights from Singapore to Washington, D.C.?
If you book a flight to Washington, D.C. from Singapore, you will be flying from Changi, which is the city’s only airport. Singapore Changi (SIN) is located 10.5 mi from the center of Singapore. There are 0 flights from Changi to Washington, D.C. per day from 1 airline.
What are the cheapest airlines flying from Singapore to Washington, D.C. round-trip?
Cheapflights users have booked flights from Singapore to Washington, D.C. round-trip from $804. Other airlines that can offer you cheap pricing are United Airlines, from $885, and ANA, from $918. Users have found that Air Canada is 36% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Singapore to Washington, D.C. one-way?
The cheapest airline one-way is Air China, with whom users have recently found tickets for as low as $452. However, be on the lookout for offers from Air Canada and IndiGo, as they are both options that can get you from Singapore to Washington, D.C. for a low price.
What are the most popular routes from Singapore to Washington, D.C.?
The most popular flight routes from Singapore to Washington, D.C. are Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington and Singapore Changi - Washington, D.C. Reagan-National.
Can I find deals for flights from Singapore to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Singapore to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Singapore to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Washington, D.C..
Can I find deals for business class flights from Singapore to Washington, D.C.?
Yes. Cheapflights offers flight deals from Singapore to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Singapore to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of $309). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Arlington

Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

Easton

Towson

Waldorf

Laurel

Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Qatar Airways	Cheapest$1,333	Average$1,372	FlexibilityNo cancel fee	On-time68%

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$452+ Cheap flights from Singapore (SIN) to Washington, D.C. (WAS)

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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Singapore to Washington, D.C. with Cheapflights

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

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Popular in

Cheapest in

Average price

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

Cheapest flights from Singapore to Washington, D.C.Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

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

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Singapore to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Read through reviews of airlines operating flights from Singapore to Washington, D.C., such as EVA Air, ANA, and Japan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from Singapore to Washington, D.C.?

What are the cheapest airlines flying from Singapore to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Singapore to Washington, D.C. one-way?

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

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

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

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

What is the cheapest month to book a flight from Singapore to Washington, D.C.?

Traveling to a place near Singapore?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Washington, D.C.

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

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Cheapest flights from Singapore to Washington, D.C.
Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.