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 $494. However, be on the lookout for offers from Air China 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.?

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.

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

Travelers have found it’s best to book a flight 23 days in advance to save up to 148% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 23 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Singapore to Washington, D.C. 1-2 weeks in advance for as low as $1,167, or $1,167 for flights within the next 24 hours.

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.

$1,526+ Flights from Singapore to Washington, D.C.

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

Round-trip from	$974 (Trip.com)
One-way from	$494 (oojo)

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

Search Deals

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

Search Deals

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 December 20, 2024.

Sat 12/215:00 pmSIN - IAD

1 stop35h 45mSAUDIA

Thu 1/26:10 pmIAD - SIN

1 stop32h 20mSAUDIA

Deal found 12/20

$1,091

Sat 12/2111:05 pmSIN - IAD

1 stop29h 30mBritish Airways

Wed 1/19:55 pmIAD - SIN

1 stop29h 00mBritish Airways

Deal found 12/20

$2,207

Sat 12/2112:55 pmSIN - IAD

2 stops40h 00mQatar Airways

Thu 1/28:05 pmIAD - SIN

2 stops35h 30mQatar Airways

Deal found 12/20

$2,261

Fri 12/203:15 amSIN - IAD

1 stop25h 40mMultiple Airlines

Thu 1/211:50 amIAD - SIN

1 stop28h 10mMultiple Airlines

Deal found 12/20

$2,348

Fri 12/209:30 pmSIN - IAD

2 stops31h 54mQantas Airways

Thu 1/25:24 pmIAD - SIN

2 stops34h 41mQantas Airways

Deal found 12/20

$3,879

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 December 20, 2024.

Mon 1/205:00 pmSIN - IAD

1 stop34h 45mSAUDIA

Sat 1/256:10 pmIAD - SIN

1 stop32h 20mSAUDIA

Deal found 12/20

$974

Thu 1/3010:25 amSIN - IAD

1 stop46h 05mTurkish Airlines

Wed 2/199:25 pmIAD - SIN

1 stop22h 20mTurkish Airlines

Deal found 12/19

$1,015

Mon 1/2010:20 pmSIN - IAD

1 stop29h 46mUnited Airlines

Sat 1/258:25 amIAD - SIN

2 stops34h 35mUnited Airlines

Deal found 12/20

$1,134

Fri 1/3110:00 amSIN - IAD

2 stops24h 21mAir Canada

Wed 2/192:35 pmIAD - SIN

2 stops28h 20mAir Canada

Deal found 12/19

$1,181

Thu 1/2312:05 amSIN - IAD

1 stop29h 20mMultiple Airlines

Mon 3/3111:05 pmIAD - SIN

1 stop29h 35mMultiple Airlines

Deal found 12/19

$1,186

Fri 1/317:40 pmSIN - IAD

2 stops36h 50mIndiGo

Wed 2/199:25 pmIAD - SIN

2 stops30h 55mIndiGo

Deal found 12/19

$1,223

Thu 1/2312:05 amSIN - IAD

1 stop29h 20mSWISS

Fri 3/285:25 pmIAD - SIN

2 stops25h 30mSWISS

Deal found 12/19

$1,253

Tue 1/1411:15 pmSIN - IAD

1 stop33h 30mBritish Airways

Sat 1/186:00 pmIAD - SIN

1 stop32h 55mBritish Airways

Deal found 12/19

$1,283

Thu 3/272:20 amSIN - DCA

2 stops32h 16mJapan Airlines

Thu 4/106:41 amDCA - SIN

2 stops46h 54mJapan Airlines

Deal found 12/19

$1,295

Mon 1/132:20 amSIN - DCA

2 stops24h 34mAmerican Airlines

Sat 1/186:06 amDCA - SIN

2 stops29h 44mAmerican Airlines

Deal found 12/19

$1,339

Thu 3/273:15 amSIN - IAD

1 stop25h 40mQatar Airways

Thu 4/109:05 pmIAD - SIN

1 stop23h 55mQatar Airways

Deal found 12/19

$1,345

Thu 5/221:10 amSIN - IAD

2 stops40h 53mDelta

Thu 7/37:30 amIAD - SIN

2 stops33h 30mDelta

Deal found 12/20

$1,369

Last-minute flights from Singapore to Washington, D.C.
Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated December 20, 2024 and is based on user searches.

Mon 1/132:20 amSIN - DCA

2 stops24h 34mAmerican Airlines

Sat 1/186:06 amDCA - SIN

2 stops29h 44mAmerican Airlines

Deal found 12/19

$1,339

Tue 1/1411:15 pmSIN - IAD

1 stop33h 30mBritish Airways

Sat 1/186:00 pmIAD - SIN

1 stop32h 55mBritish Airways

Deal found 12/19

$1,283

Tue 1/146:35 amSIN - DCA

2 stops28h 24mUnited Airlines

Sat 1/189:00 amDCA - SIN

2 stops34h 00mUnited Airlines

Deal found 12/19

$1,296

Mon 1/205:00 pmSIN - IAD

1 stop34h 45mSAUDIA

Sat 1/256:10 pmIAD - SIN

1 stop32h 20mSAUDIA

Deal found 12/20

$974

Mon 1/2010:20 pmSIN - IAD

1 stop29h 46mUnited Airlines

Sat 1/258:25 amIAD - SIN

2 stops34h 35mUnited Airlines

Deal found 12/20

$1,134

Thu 1/2312:05 amSIN - IAD

1 stop29h 20mMultiple Airlines

Mon 3/3111:05 pmIAD - SIN

1 stop29h 35mMultiple Airlines

Deal found 12/19

$1,186

Thu 1/2312:05 amSIN - IAD

1 stop29h 20mSWISS

Fri 3/285:25 pmIAD - SIN

2 stops25h 30mSWISS

Deal found 12/19

$1,253

Fri 1/2411:05 pmSIN - BWI

1 stop32h 40mBritish Airways

Fri 3/289:30 pmBWI - SIN

1 stop30h 25mBritish Airways

Deal found 12/19

$1,421

Fri 1/2411:15 pmSIN - DCA

2 stops30h 12mBritish Airways

Mon 3/318:10 pmDCA - SIN

2 stops31h 55mBritish Airways

Deal found 12/19

$1,423

Thu 1/3010:25 amSIN - IAD

1 stop46h 05mTurkish Airlines

Wed 2/199:25 pmIAD - SIN

1 stop22h 20mTurkish Airlines

Deal found 12/19

$1,015

Fri 1/3110:00 amSIN - IAD

2 stops24h 21mAir Canada

Wed 2/192:35 pmIAD - SIN

2 stops28h 20mAir Canada

Deal found 12/19

$1,181

Fri 1/317:40 pmSIN - IAD

2 stops36h 50mIndiGo

Wed 2/199:25 pmIAD - SIN

2 stops30h 55mIndiGo

Deal found 12/19

$1,223

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 December 20, 2024.

Sat 2/155:00 pmSIN - IAD

1 stop34h 45mSAUDIA

Deal found 12/20

$494

Thu 1/3012:40 amSIN - BWI

2 stops32h 34mMultiple Airlines

Deal found 12/18

$566

Sat 2/112:40 amSIN - DCA

3 stops58h 19mMultiple Airlines

Deal found 12/18

$601

Thu 3/65:30 amSIN - IAD

3 stops47h 55mMultiple Airlines

Deal found 12/20

$607

Fri 4/1811:25 pmSIN - IAD

1 stop27h 45mAir China

Deal found 12/19

$609

Sat 3/157:40 pmSIN - IAD

2 stops36h 50mIndiGo

Deal found 12/19

$647

Sun 2/210:25 amSIN - IAD

1 stop46h 05mTurkish Airlines

Deal found 12/18

$667

Sat 4/128:20 amSIN - IAD

1 stop34h 55mAir India

Deal found 12/19

$725

Wed 3/51:30 amSIN - IAD

2 stops35h 50mDelta

Deal found 12/20

$773

Sat 2/151:45 pmSIN - IAD

2 stops55h 25mEmirates

Deal found 12/19

$775

Fri 1/3110:00 amSIN - DCA

2 stops37h 29mAir Canada

Deal found 12/18

$800

Sat 3/292:00 amSIN - IAD

1 stop26h 10mQatar Airways

Deal found 12/19

$818

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

Mon 1/20

5:00 pm-2:45 pm

1 stop34h 45m

Washington, D.C. Dulles Intl

Sat 1/25

6:10 pm-3:30 pm

1 stop32h 20m

$974

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 1/30

10:25 am-7:30 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Wed 2/19

9:25 pm-8:45 am

1 stop22h 20m

$1,015

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 1/20

10:20 pm-3:06 pm

1 stop29h 46m

Washington, D.C. Dulles Intl

Sat 1/25

8:25 am-8:00 am

2 stops34h 35m

$1,134

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 1/31

10:00 am-9:21 pm

2 stops24h 21m

Washington, D.C. Dulles Intl

Wed 2/19

2:35 pm-7:55 am

2 stops28h 20m

$1,181

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 1/23

12:05 am-4:25 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

Mon 3/31

11:05 pm-4:40 pm

1 stop29h 35m

$1,186

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 1/31

7:40 pm-7:30 pm

2 stops36h 50m

Washington, D.C. Dulles Intl

Wed 2/19

9:25 pm-5:20 pm

2 stops30h 55m

$1,223

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Sun 2/2

10:20 pm-7:02 am

1 stop21h 42m

Baltimore/Washington

Sun 2/9

6:15 am-8:15 pm

1 stop25h 00m

$1,234

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 1/23

12:05 am-4:25 pm

1 stop29h 20m

Washington, D.C. Dulles Intl

Fri 3/28

5:25 pm-6:55 am

2 stops25h 30m

$1,253

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 1/14

11:15 pm-7:45 pm

1 stop33h 30m

Washington, D.C. Dulles Intl

Sat 1/18

6:00 pm-3:55 pm

1 stop32h 55m

$1,283

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 3/27

2:20 am-10:36 pm

2 stops32h 16m

Washington, D.C. Reagan-National

Thu 4/10

6:41 am-5:35 pm

2 stops46h 54m

$1,295

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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 $389). 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 United Airlines, Delta and Korean Air 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

1,023 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air

8.4

Very good

1,023 reviews

Korean Air

8.4

Very good

1,023 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA

8.4

Very good

842 reviews

Korean Air

8.4

Very good

1,023 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines

8.3

Very good

1,443 reviews

Korean Air

8.4

Very good

1,023 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines

8.3

Very good

474 reviews

Korean Air

8.4

Very good

1,023 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates

8.1

Very good

3,405 reviews

Korean Air

8.4

Very good

1,023 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

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 $494. However, be on the lookout for offers from Air China 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.?
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 $389). 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

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$870	Average$1,466	FlexibilityNo cancel fee	On-time69%
Qatar Airways	Cheapest$1,372	Average$1,442	FlexibilityNo cancel fee	On-time68%

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$494+ 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 2/15. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

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 December 20, 2024.

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 December 20, 2024.

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 United Airlines, Delta and Korean Air 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.?

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 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 December 20, 2024.