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

The cheapest airline one-way is SAUDIA, with whom users have recently found tickets for as low as $414. However, be on the lookout for offers from IndiGo and Air China, 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.?

When deciding which route to take from Singapore to Washington, D.C. consider Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington or Singapore Changi - Washington, D.C. Reagan-National as they are the most popular.

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

Flights from Singapore to Washington, D.C. lean towards being more expensive in July. Prices are generally better when you fly from Singapore to Washington, D.C. in August, with the cheapest ticket starting at $593.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Washington, D.C. as you normally would.

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.

$1,375+ Flights from Singapore to Washington, D.C.

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

1. Tell us where you want to go

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

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,051 (Booking.com)
One-way from	$414 (oojo)
Popular in	July
Cheapest in	August
Average price	$1,325

Provider with most accurate pricing for Singapore Changi-Washington, D.C. (WAS) flight deals.

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Provider most trusted by Cheapflights users for Singapore Changi-Washington, D.C. (WAS) flights.

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

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

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 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 May 1, 2025.

Sun 10/59:10 amSIN - IAD

2 stops47h 50mAir Canada

Sat 10/185:22 pmIAD - SIN

2 stops49h 43mAir Canada

Deal found 4/30

$1,051

Mon 6/302:30 amSIN - IAD

1 stop25h 15mMultiple Airlines

Thu 7/171:30 pmIAD - SIN

2 stops40h 15mMultiple Airlines

Deal found 4/30

$1,061

Mon 6/168:30 pmSIN - IAD

1 stop23h 10mAir India

Fri 6/2011:00 amIAD - SIN

1 stop22h 45mAir India

Deal found 4/30

$1,066

Sun 10/510:15 amSIN - IAD

1 stop37h 30mTurkish Airlines

Sat 10/181:30 pmIAD - SIN

1 stop40h 25mTurkish Airlines

Deal found 4/30

$1,070

Sat 6/149:10 amSIN - DCA

2 stops35h 43mAir Canada

Sat 6/218:40 pmDCA - SIN

2 stops46h 25mAir Canada

Deal found 4/30

$1,091

Mon 6/161:45 pmSIN - DCA

2 stops38h 58mMultiple Airlines

Thu 7/106:58 pmDCA - SIN

2 stops29h 37mMultiple Airlines

Deal found 4/29

$1,105

Fri 6/201:10 pmSIN - BWI

2 stops29h 09mMultiple Airlines

Tue 9/97:22 pmBWI - SIN

2 stops28h 38mMultiple Airlines

Deal found 4/30

$1,181

Thu 6/193:30 amSIN - IAD

2 stops28h 00mAir China

Tue 9/911:00 pmIAD - SIN

1 stop34h 55mAir China

Deal found 4/30

$1,199

Mon 6/301:55 amSIN - DCA

2 stops33h 12mJapan Airlines

Thu 7/176:55 amDCA - SIN

2 stops29h 25mJapan Airlines

Deal found 4/29

$1,199

Sun 6/156:50 amSIN - IAD

2 stops44h 35mSWISS

Sun 6/228:45 pmIAD - SIN

1 stop32h 20mSWISS

Deal found 4/30

$1,234

Tue 7/111:05 amSIN - IAD

2 stops45h 57mUnited Airlines

Thu 7/173:00 pmIAD - SIN

1 stop27h 15mUnited Airlines

Deal found 4/30

$1,239

Sat 6/77:45 pmSIN - IAD

2 stops36h 00mIndiGo

Sun 6/159:40 pmIAD - SIN

2 stops31h 40mIndiGo

Deal found 4/30

$1,273

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 May 1, 2025.

Sun 10/59:10 amSIN - IAD

2 stops47h 50mAir Canada

Sat 10/185:22 pmIAD - SIN

2 stops49h 43mAir Canada

Deal found 4/30

$1,051

Mon 6/302:30 amSIN - IAD

1 stop25h 15mMultiple Airlines

Thu 7/171:30 pmIAD - SIN

2 stops40h 15mMultiple Airlines

Deal found 4/30

$1,061

Mon 6/168:30 pmSIN - IAD

1 stop23h 10mAir India

Fri 6/2011:00 amIAD - SIN

1 stop22h 45mAir India

Deal found 4/30

$1,066

Sun 10/510:15 amSIN - IAD

1 stop37h 30mTurkish Airlines

Sat 10/181:30 pmIAD - SIN

1 stop40h 25mTurkish Airlines

Deal found 4/30

$1,070

Thu 6/193:30 amSIN - IAD

2 stops28h 00mAir China

Tue 9/911:00 pmIAD - SIN

1 stop34h 55mAir China

Deal found 4/30

$1,199

Mon 6/301:55 amSIN - DCA

2 stops33h 12mJapan Airlines

Thu 7/176:55 amDCA - SIN

2 stops29h 25mJapan Airlines

Deal found 4/29

$1,199

Sun 6/156:50 amSIN - IAD

2 stops44h 35mSWISS

Sun 6/228:45 pmIAD - SIN

1 stop32h 20mSWISS

Deal found 4/30

$1,234

Tue 7/111:05 amSIN - IAD

2 stops45h 57mUnited Airlines

Thu 7/173:00 pmIAD - SIN

1 stop27h 15mUnited Airlines

Deal found 4/30

$1,239

Sat 6/77:45 pmSIN - IAD

2 stops36h 00mIndiGo

Sun 6/159:40 pmIAD - SIN

2 stops31h 40mIndiGo

Deal found 4/30

$1,273

Wed 5/2111:20 pmSIN - BWI

1 stop32h 15mBritish Airways

Thu 5/299:20 pmBWI - SIN

1 stop32h 40mBritish Airways

Deal found 4/30

$1,311

Tue 7/19:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Thu 7/1710:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Deal found 4/30

$1,336

Thu 6/191:55 amSIN - BWI

2 stops26h 53mAmerican Airlines

Tue 9/96:56 amBWI - SIN

2 stops29h 24mAmerican Airlines

Deal found 4/30

$1,362

Last-minute flights from Singapore to Washington, D.C.
Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated May 1, 2025 and is based on user searches.

Wed 4/309:00 amSIN - DCA

2 stops26h 59mUnited Airlines

Sat 5/310:30 amDCA - SIN

2 stops32h 10mUnited Airlines

Deal found 4/29

$1,326

Sat 5/109:00 amSIN - DCA

1 stop43h 57mUnited Airlines

Wed 7/167:00 amDCA - SIN

1 stop35h 15mUnited Airlines

Deal found 4/29

$6,323

Sat 5/101:55 amSIN - DCA

2 stops32h 41mJapan Airlines

Thu 7/1710:18 amDCA - SIN

2 stops26h 02mJapan Airlines

Deal found 4/29

$6,449

Sat 5/1010:30 pmSIN - DCA

2 stops31h 52mDelta

Wed 7/166:59 amDCA - SIN

2 stops28h 41mDelta

Deal found 4/29

$7,431

Sat 5/1012:40 amSIN - DCA

2 stops27h 19mMultiple Airlines

Fri 7/185:28 pmDCA - SIN

2 stops26h 57mMultiple Airlines

Deal found 4/28

$12,551

Wed 5/1411:00 pmSIN - IAD

1 stop44h 40mAir India

Sat 5/1711:00 amIAD - SIN

1 stop32h 30mAir India

Deal found 4/30

$1,071

Wed 5/142:00 pmSIN - BWI

3 stops35h 19mMultiple Airlines

Sat 5/178:44 pmBWI - SIN

2 stops27h 56mMultiple Airlines

Deal found 4/30

$1,219

Wed 5/1411:05 amSIN - IAD

1 stop40h 35mUnited Airlines

Sat 5/1710:20 pmIAD - SIN

2 stops32h 05mUnited Airlines

Deal found 4/30

$1,254

Wed 5/148:40 pmSIN - BWI

2 stops26h 55mUnited Airlines

Sat 5/174:10 pmBWI - SIN

2 stops38h 15mUnited Airlines

Deal found 4/30

$1,298

Tue 5/201:55 amSIN - DCA

2 stops26h 00mMultiple Airlines

Thu 5/298:15 amDCA - SIN

2 stops28h 05mMultiple Airlines

Deal found 4/30

$1,228

Wed 5/2111:10 pmSIN - IAD

1 stop32h 35mTurkish Airlines

Thu 5/299:40 pmIAD - SIN

1 stop32h 15mTurkish Airlines

Deal found 4/30

$1,122

Wed 5/219:50 pmSIN - DCA

2 stops30h 05mJapan Airlines

Thu 5/296:35 amDCA - SIN

2 stops35h 35mJapan Airlines

Deal found 4/30

$1,233

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 May 1, 2025.

Mon 10/202:30 amSIN - IAD

1 stop25h 15mSAUDIA

Deal found 4/30

$414

Thu 5/228:45 pmSIN - BWI

1 stop34h 54mMultiple Airlines

Deal found 4/30

$495

Fri 7/117:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 4/30

$511

Fri 5/168:45 pmSIN - IAD

2 stops45h 46mMultiple Airlines

Deal found 4/30

$528

Fri 5/166:40 pmSIN - DCA

2 stops39h 19mMultiple Airlines

Deal found 4/30

$534

Thu 5/2211:25 pmSIN - IAD

1 stop32h 05mAir China

Deal found 4/30

$648

Thu 5/221:10 pmSIN - IAD

2 stops46h 49mEVA Air

Deal found 4/30

$693

Tue 10/218:30 pmSIN - IAD

1 stop23h 10mAir India

Deal found 4/30

$713

Fri 6/610:15 amSIN - IAD

1 stop37h 30mTurkish Airlines

Deal found 4/30

$737

Wed 5/212:00 amSIN - IAD

2 stops57h 59mChina Airlines

Deal found 4/30

$738

Wed 5/212:00 amSIN - DCA

2 stops55h 59mChina Airlines

Deal found 4/30

$738

Thu 5/223:10 pmSIN - BWI

2 stops27h 19mEVA Air

Deal found 4/30

$777

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

9:10 am-9:00 pm

2 stops47h 50m

Washington, D.C. Dulles Intl

Sat 10/18

5:22 pm-7:05 am

2 stops49h 43m

$1,051

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 6/30

2:30 am-3:45 pm

1 stop25h 15m

Washington, D.C. Dulles Intl

Thu 7/17

1:30 pm-5:45 pm

2 stops40h 15m

$1,061

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 6/16

8:30 pm-7:40 am

1 stop23h 10m

Washington, D.C. Dulles Intl

Fri 6/20

11:00 am-9:45 pm

1 stop22h 45m

$1,066

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

10:15 am-11:45 am

1 stop37h 30m

Washington, D.C. Dulles Intl

Sat 10/18

1:30 pm-5:55 pm

1 stop40h 25m

$1,070

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sat 6/14

9:10 am-8:53 am

2 stops35h 43m

Washington, D.C. Reagan-National

Sat 6/21

8:40 pm-7:05 am

2 stops46h 25m

$1,091

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 6/16

1:45 pm-4:43 pm

2 stops38h 58m

Washington, D.C. Reagan-National

Thu 7/10

6:58 pm-12:35 pm

2 stops29h 37m

$1,105

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Fri 6/20

1:10 pm-6:19 am

2 stops29h 09m

Baltimore/Washington

Tue 9/9

7:22 pm-12:00 pm

2 stops28h 38m

$1,181

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 6/19

3:30 am-7:30 pm

2 stops28h 00m

Washington, D.C. Dulles Intl

Tue 9/9

11:00 pm-9:55 pm

1 stop34h 55m

$1,199

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 6/30

1:55 am-11:07 pm

2 stops33h 12m

Washington, D.C. Reagan-National

Thu 7/17

6:55 am-12:20 am

2 stops29h 25m

$1,199

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 6/15

6:50 am-3:25 pm

2 stops44h 35m

Washington, D.C. Dulles Intl

Sun 6/22

8:45 pm-5:05 pm

1 stop32h 20m

$1,234

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 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 June is currently the most expensive (average of $373). 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.

Rainfall in Washington, D.C. by month

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.

Temperature in Washington, D.C. by month

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).

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Singapore to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Korean Air

8.4

Very good

1,068 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Japan Airlines

8.3

Very good

1,464 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

China Airlines

8.3

Very good

732 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

ANA

8.3

Very good

852 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

What are the cheapest airlines to fly from Singapore to Washington, D.C. one-way?
The cheapest airline one-way is SAUDIA, with whom users have recently found tickets for as low as $414. However, be on the lookout for offers from IndiGo and Air China, 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.?
When deciding which route to take from Singapore to Washington, D.C. consider Singapore Changi - Washington, D.C. Dulles Intl, Singapore Changi - Baltimore/Washington or Singapore Changi - Washington, D.C. Reagan-National as they are the most popular.
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 June is currently the most expensive (average of $373). 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

Alexandria

Arlington

Woodbridge

Tysons

Fairfax

Springfield

Rockville

Fredericksburg

Silver Spring

Gaithersburg

Linthicum Heights

Falls Church

Laurel

Easton

Towson

Herndon

Bowie

National Harbor

Oxon Hill

Reston

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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$414+ Cheap flights from Singapore 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 10/20. 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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2. Select your favorite providers

3. Compare prices and book

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

Keep the following information in mind while searching for Singapore to Washington, D.C. flight deals. Data was last updated May 1, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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 May 1, 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 May 1, 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.?

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Singapore to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of 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 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Washington, D.C.

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

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 May 1, 2025.