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 $488. 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.

$1,153+ Flights from Singapore to Washington, D.C.

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$714 (CheapTickets)
One-way from	$488 (Trip.com)
Popular in	July
Cheapest in	August
Average price	$1,150

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)

Search Deals

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

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($27 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 12, 2025.

Wed 4/163:45 amSIN - IAD

1 stop24h 00mSAUDIA

Mon 4/287:10 pmIAD - SIN

2 stops32h 35mSAUDIA

Deal found 3/11

$714

Wed 4/163:45 amSIN - IAD

1 stop24h 00mMultiple Airlines

Mon 4/2812:30 pmIAD - SIN

1 stop41h 25mMultiple Airlines

Deal found 3/11

$999

Thu 4/179:10 amSIN - IAD

1 stop37h 35mTurkish Airlines

Mon 4/289:40 pmIAD - SIN

1 stop32h 15mTurkish Airlines

Deal found 3/11

$1,021

Tue 4/87:45 pmSIN - IAD

2 stops36h 00mIndiGo

Mon 4/1412:30 pmIAD - SIN

2 stops40h 50mIndiGo

Deal found 3/11

$1,059

Thu 4/171:45 pmSIN - DCA

2 stops39h 10mMultiple Airlines

Mon 4/288:59 amDCA - SIN

2 stops39h 36mMultiple Airlines

Deal found 3/11

$1,066

Wed 5/146:15 amSIN - IAD

2 stops40h 59mAir Canada

Thu 8/75:20 pmIAD - SIN

1 stop25h 45mAir Canada

Deal found 3/11

$1,089

Mon 9/81:55 amSIN - BWI

2 stops31h 45mJapan Airlines

Fri 9/196:09 amBWI - SIN

2 stops30h 11mJapan Airlines

Deal found 3/12

$1,153

Sun 4/611:00 pmSIN - IAD

1 stop44h 40mAir India

Sat 4/1911:00 amIAD - SIN

1 stop44h 05mAir India

Deal found 3/11

$1,160

Sat 4/269:00 amSIN - IAD

1 stop28h 09mUnited Airlines

Sat 5/38:21 amIAD - SIN

3 stops34h 24mUnited Airlines

Deal found 3/12

$1,209

Sat 4/128:40 pmSIN - DCA

2 stops25h 56mUnited Airlines

Fri 4/185:59 pmDCA - SIN

1 stop36h 26mUnited Airlines

Deal found 3/12

$1,209

Thu 5/1511:30 pmSIN - IAD

2 stops26h 45mSWISS

Thu 5/228:45 pmIAD - SIN

1 stop32h 20mSWISS

Deal found 3/10

$1,217

Tue 9/98:40 pmSIN - BWI

2 stops25h 39mUnited Airlines

Fri 9/196:42 amBWI - SIN

1 stop23h 43mUnited Airlines

Deal found 3/12

$1,217

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 March 12, 2025.

Wed 4/163:45 amSIN - IAD

1 stop24h 00mSAUDIA

Mon 4/287:10 pmIAD - SIN

2 stops32h 35mSAUDIA

Deal found 3/11

$714

Wed 4/163:45 amSIN - IAD

1 stop24h 00mMultiple Airlines

Mon 4/2812:30 pmIAD - SIN

1 stop41h 25mMultiple Airlines

Deal found 3/11

$999

Thu 4/179:10 amSIN - IAD

1 stop37h 35mTurkish Airlines

Mon 4/289:40 pmIAD - SIN

1 stop32h 15mTurkish Airlines

Deal found 3/11

$1,021

Tue 4/87:45 pmSIN - IAD

2 stops36h 00mIndiGo

Mon 4/1412:30 pmIAD - SIN

2 stops40h 50mIndiGo

Deal found 3/11

$1,059

Wed 5/146:15 amSIN - IAD

2 stops40h 59mAir Canada

Thu 8/75:20 pmIAD - SIN

1 stop25h 45mAir Canada

Deal found 3/11

$1,089

Mon 9/81:55 amSIN - BWI

2 stops31h 45mJapan Airlines

Fri 9/196:09 amBWI - SIN

2 stops30h 11mJapan Airlines

Deal found 3/12

$1,153

Sun 4/611:00 pmSIN - IAD

1 stop44h 40mAir India

Sat 4/1911:00 amIAD - SIN

1 stop44h 05mAir India

Deal found 3/11

$1,160

Sat 4/269:00 amSIN - IAD

1 stop28h 09mUnited Airlines

Sat 5/38:21 amIAD - SIN

3 stops34h 24mUnited Airlines

Deal found 3/12

$1,209

Thu 5/1511:30 pmSIN - IAD

2 stops26h 45mSWISS

Thu 5/228:45 pmIAD - SIN

1 stop32h 20mSWISS

Deal found 3/10

$1,217

Sat 4/1211:25 pmSIN - IAD

1 stop32h 00mLufthansa

Fri 4/186:10 pmIAD - SIN

1 stop34h 15mLufthansa

Deal found 3/12

$1,243

Wed 5/2110:40 pmSIN - IAD

1 stop33h 25mBritish Airways

Sun 5/2510:40 pmIAD - SIN

1 stop31h 20mBritish Airways

Deal found 3/11

$1,301

Wed 4/23:10 amSIN - IAD

1 stop41h 30mQatar Airways

Fri 4/1811:00 amIAD - SIN

1 stop22h 00mQatar Airways

Deal found 3/11

$1,384

Last-minute flights from Singapore to Washington, D.C.
Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated March 12, 2025 and is based on user searches.

Wed 4/23:10 amSIN - IAD

1 stop41h 30mQatar Airways

Fri 4/1811:00 amIAD - SIN

1 stop22h 00mQatar Airways

Deal found 3/11

$1,384

Sun 4/611:00 pmSIN - IAD

1 stop44h 40mAir India

Sat 4/1911:00 amIAD - SIN

1 stop44h 05mAir India

Deal found 3/11

$1,160

Tue 4/87:45 pmSIN - IAD

2 stops36h 00mIndiGo

Mon 4/1412:30 pmIAD - SIN

2 stops40h 50mIndiGo

Deal found 3/11

$1,059

Sat 4/129:10 amSIN - IAD

2 stops36h 36mAir Canada

Fri 4/182:40 pmIAD - SIN

2 stops28h 25mAir Canada

Deal found 3/12

$1,192

Sat 4/128:40 pmSIN - DCA

2 stops25h 56mUnited Airlines

Fri 4/185:59 pmDCA - SIN

1 stop36h 26mUnited Airlines

Deal found 3/12

$1,209

Sat 4/1211:25 pmSIN - IAD

1 stop32h 00mLufthansa

Fri 4/186:10 pmIAD - SIN

1 stop34h 15mLufthansa

Deal found 3/12

$1,243

Sat 4/1211:20 pmSIN - BWI

1 stop32h 15mBritish Airways

Fri 4/189:20 pmBWI - SIN

1 stop32h 40mBritish Airways

Deal found 3/12

$1,301

Wed 4/163:45 amSIN - IAD

1 stop24h 00mMultiple Airlines

Mon 4/2812:30 pmIAD - SIN

1 stop41h 25mMultiple Airlines

Deal found 3/11

$999

Thu 4/179:10 amSIN - IAD

1 stop37h 35mTurkish Airlines

Mon 4/289:40 pmIAD - SIN

1 stop32h 15mTurkish Airlines

Deal found 3/11

$1,021

Thu 4/171:45 pmSIN - DCA

2 stops39h 10mMultiple Airlines

Mon 4/288:59 amDCA - SIN

2 stops39h 36mMultiple Airlines

Deal found 3/11

$1,066

Sat 4/269:00 amSIN - IAD

1 stop28h 09mUnited Airlines

Sat 5/38:21 amIAD - SIN

3 stops34h 24mUnited Airlines

Deal found 3/12

$1,209

Sat 4/269:00 amSIN - BWI

2 stops24h 13mUnited Airlines

Sat 5/312:40 pmBWI - SIN

2 stops30h 05mUnited Airlines

Deal found 3/12

$1,255

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 March 12, 2025.

Wed 7/233:45 amSIN - IAD

1 stop24h 00mSAUDIA

Deal found 3/11

$488

Mon 3/317:10 pmSIN - IAD

3 stops58h 12mMultiple Airlines

Deal found 3/11

$505

Mon 5/53:40 amSIN - BWI

2 stops51h 59mMultiple Airlines

Deal found 3/12

$506

Mon 3/313:40 amSIN - DCA

3 stops54h 19mMultiple Airlines

Deal found 3/11

$516

Fri 4/47:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 3/10

$584

Fri 4/411:25 pmSIN - IAD

1 stop28h 15mAir China

Deal found 3/10

$641

Sun 4/1311:10 pmSIN - IAD

1 stop32h 35mTurkish Airlines

Deal found 3/11

$730

Sat 4/129:10 amSIN - IAD

2 stops34h 45mAir Canada

Deal found 3/11

$798

Sat 4/199:10 amSIN - DCA

2 stops35h 43mAir Canada

Deal found 3/12

$856

Wed 4/98:40 pmSIN - IAD

3 stops31h 34mUnited Airlines

Deal found 3/11

$889

Mon 3/319:00 amSIN - DCA

1 stop24h 30mUnited Airlines

Deal found 3/11

$889

Sun 3/303:10 amSIN - IAD

1 stop24h 30mQatar Airways

Deal found 3/10

$891

Find flights from Singapore to Washington, D.C. within your budget

Fly from

Fly to

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 4/16

3:45 am-3:45 pm

1 stop24h 00m

Washington, D.C. Dulles Intl

Mon 4/28

7:10 pm-3:45 pm

2 stops32h 35m

$714

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 4/16

3:45 am-3:45 pm

1 stop24h 00m

Washington, D.C. Dulles Intl

Mon 4/28

12:30 pm-5:55 pm

1 stop41h 25m

$999

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4/17

9:10 am-10:45 am

1 stop37h 35m

Washington, D.C. Dulles Intl

Mon 4/28

9:40 pm-5:55 pm

1 stop32h 15m

$1,021

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 4/8

7:45 pm-7:45 pm

2 stops36h 00m

Washington, D.C. Dulles Intl

Mon 4/14

12:30 pm-5:20 pm

2 stops40h 50m

$1,059

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 4/17

1:45 pm-4:55 pm

2 stops39h 10m

Washington, D.C. Reagan-National

Mon 4/28

8:59 am-12:35 pm

2 stops39h 36m

$1,066

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 5/14

6:15 am-11:14 am

2 stops40h 59m

Washington, D.C. Dulles Intl

Thu 8/7

5:20 pm-7:05 am

1 stop25h 45m

$1,089

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Mon 9/8

1:55 am-9:40 pm

2 stops31h 45m

Baltimore/Washington

Fri 9/19

6:09 am-12:20 am

2 stops30h 11m

$1,153

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 4/6

11:00 pm-7:40 am

1 stop44h 40m

Washington, D.C. Dulles Intl

Sat 4/19

11:00 am-7:05 pm

1 stop44h 05m

$1,160

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 4/26

9:00 am-1:09 am

1 stop28h 09m

Washington, D.C. Dulles Intl

Sat 5/3

8:21 am-6:45 am

3 stops34h 24m

$1,209

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Sat 4/12

8:40 pm-10:36 am

2 stops25h 56m

Washington, D.C. Reagan-National

Fri 4/18

5:59 pm-6:25 pm

1 stop36h 26m

$1,209

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/11

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.

Travel insights for flights from Singapore to Washington, D.C.

Get recent, data-driven insights about flights from Singapore to Washington, D.C. including ideal travel times, pricing trends, and more.

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 $388). 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 Korean Air, ANA 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.

Korean Air

8.4

Very good

1,043 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

ATL - SBN

Regional jets are small and uncomfortable. When flying in or out of South Bend airport, that's usually what I'm on. It's the price one pays for the great convenience of using a small airport (cheap parking, no lines). The CRJ900 has engines attached to the fuselage near the rear of the plane. So, very loud in the back of the plane, and I happened to have the far back corner that also had no window. Oh well, a short flight and pleasant neighbor and cheerful attendant.

Korean Air

8.4

Very good

1,043 reviews

Korean Air

8.4

Very good

1,043 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

ATL - SBN

ANA

8.4

Very good

829 reviews

Korean Air

8.4

Very good

1,043 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

ATL - SBN

Japan Airlines

8.3

Very good

1,438 reviews

Korean Air

8.4

Very good

1,043 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

ATL - SBN

China Airlines

8.2

Very good

724 reviews

Korean Air

8.4

Very good

1,043 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

ATL - SBN

Asiana Airlines

8.2

Very good

441 reviews

Korean Air

8.4

Very good

1,043 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

ATL - SBN

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 $488. 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 $388). 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

Alexandria

Fairfax

Tysons

Springfield

Rockville

Gaithersburg

Fredericksburg

Linthicum Heights

Silver Spring

Woodbridge

Laurel

Falls Church

Easton

Herndon

Bowie

Gettysburg

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Singapore to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,007	Average$1,494	FlexibilityNo cancel fee	On-time69%
Qatar Airways	Cheapest$1,333	Average$1,372	FlexibilityNo cancel fee	On-time68%

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$488+ 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 7/23. 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 March 12, 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 March 12, 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 March 12, 2025.

Find flights from Singapore to Washington, D.C. within your budget

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.

Travel insights for flights from Singapore to Washington, D.C.

Get recent, data-driven insights about flights from Singapore to Washington, D.C. including ideal travel times, pricing trends, and more.

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 Korean Air, ANA 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?

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Alternative routes for Singapore to Washington, D.C.

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

Top 2 airlines 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 March 12, 2025.