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

One-way options have recently been found by users for as low as S$ 600 on Air China. Other airlines that offer cheap prices include IndiGo from S$ 651 and Air Canada from S$ 728 one-way. Find deals

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm. Find deals

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C). Find deals

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 - Baltimore/Washington, Singapore Changi - Washington, D.C. Dulles Intl or Singapore Changi - Washington, D.C. Reagan-National, as they are the most popular. Find deals

What are the most popular airlines that fly from Singapore to Washington, D.C.?

The most popular airlines flying from Singapore to Washington, D.C. are Air India, Korean Air and Qatar Airways. Something to consider prior to booking your flight.

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

The best pricing can be found in the month of August. Prices to Washington, D.C. from Singapore average S$ 1,588. You can even find prices in August for less than S$ 1,588, as users have found deals to Washington, D.C. from as low as S$ 1,183. The month of July appears to be one of the more expensive times to travel to Washington, D.C. from Singapore. Flying in the targeted month can save you up to 15%.

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 holiday 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.

S$ 600+ Flights from Singapore to Washington, D.C.

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

Round-trip from	S$ 1,018
One-way from	S$ 600
Popular in	July
Cheapest in	August
Average price	S$ 1,314

Air China
19-9-23-9
2 total stops
57h 25m total
Singapore to Washington, D.C.

Search Deals

Air China
8-9
1 total stop
32h 05m total
Singapore to Washington, D.C.

Search Deals

High demand for flights, 2% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (S$ 29 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

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 15 August 2025.

Fri 19-909:00SIN - IAD

1 stop22h 30mAir China

Tue 23-923:00IAD - SIN

1 stop34h 55mAir China

Deal found 14-8S$ 1,018

Thu 30-1008:50SIN - DCA

2 stops25h 06mAir Canada

Sat 8-1121:20DCA - SIN

2 stops44h 40mAir Canada

Deal found 14-8S$ 1,091

Fri 19-909:00SIN - IAD

1 stop22h 30mMultiple Airlines

Tue 23-921:40IAD - SIN

2 stops32h 05mMultiple Airlines

Deal found 13-8S$ 1,124

Sun 5-1009:10SIN - IAD

2 stops38h 03mAir Canada

Sun 19-1009:35IAD - SIN

2 stops33h 30mAir Canada

Deal found 14-8S$ 1,144

Thu 30-1008:50SIN - IAD

2 stops24h 09mAir Canada

Sat 8-1122:11IAD - SIN

2 stops43h 49mAir Canada

Deal found 14-8S$ 1,162

Thu 30-1023:55SIN - IAD

1 stop31h 35mMultiple Airlines

Sat 8-1113:30IAD - SIN

2 stops38h 50mMultiple Airlines

Deal found 14-8S$ 1,168

Sun 28-914:35SIN - BWI

2 stops28h 26mMultiple Airlines

Sun 5-1014:09BWI - SIN

3 stops35h 11mMultiple Airlines

Deal found 14-8S$ 1,176

Fri 19-906:15SIN - IAD

2 stops26h 50mAir Canada

Tue 23-914:25IAD - SIN

2 stops28h 40mAir Canada

Deal found 13-8S$ 1,191

Wed 3-906:15SIN - IAD

2 stops26h 40mANA

Wed 17-912:15IAD - SIN

1 stop30h 25mANA

Deal found 13-8S$ 1,192

Fri 19-906:15SIN - DCA

2 stops25h 29mAir Canada

Tue 23-911:00DCA - SIN

2 stops32h 05mAir Canada

Deal found 13-8S$ 1,192

Wed 10-919:45SIN - IAD

2 stops36h 00mIndiGo

Wed 17-913:30IAD - SIN

2 stops39h 50mIndiGo

Deal found 13-8S$ 1,201

Sun 28-922:10SIN - IAD

2 stops35h 15mAir Canada

Sun 5-1017:15IAD - SIN

2 stops25h 50mAir Canada

Deal found 14-8S$ 1,204

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 stopovers in mind to ensure you get the best travel experience. Data last updated 15 August 2025.

Fri 19-909:00SIN - IAD

1 stop22h 30mAir China

Tue 23-923:00IAD - SIN

1 stop34h 55mAir China

Deal found 14-8S$ 1,018

Thu 30-1008:50SIN - DCA

2 stops25h 06mAir Canada

Sat 8-1121:20DCA - SIN

2 stops44h 40mAir Canada

Deal found 14-8S$ 1,091

Fri 19-909:00SIN - IAD

1 stop22h 30mMultiple Airlines

Tue 23-921:40IAD - SIN

2 stops32h 05mMultiple Airlines

Deal found 13-8S$ 1,124

Wed 3-906:15SIN - IAD

2 stops26h 40mANA

Wed 17-912:15IAD - SIN

1 stop30h 25mANA

Deal found 14-8S$ 1,199

Wed 10-919:45SIN - IAD

2 stops36h 00mIndiGo

Wed 17-913:30IAD - SIN

2 stops39h 50mIndiGo

Deal found 13-8S$ 1,201

Sat 27-901:55SIN - BWI

2 stops33h 23mAmerican Airlines

Sun 5-1019:27BWI - SIN

2 stops46h 43mAmerican Airlines

Deal found 13-8S$ 1,485

Sun 5-1009:10SIN - IAD

2 stops38h 03mAir Canada

Sun 19-1009:35IAD - SIN

2 stops33h 30mAir Canada

Deal found 15-8S$ 1,138

Thu 30-1023:55SIN - IAD

1 stop31h 35mMultiple Airlines

Sat 8-1113:30IAD - SIN

2 stops38h 50mMultiple Airlines

Deal found 14-8S$ 1,168

Sun 28-919:45SIN - IAD

2 stops36h 00mIndiGo

Sun 5-1021:40IAD - SIN

2 stops31h 40mIndiGo

Deal found 14-8S$ 1,226

Thu 30-1008:50SIN - IAD

2 stops24h 09mAir Canada

Sat 8-1122:11IAD - SIN

2 stops43h 49mAir Canada

Deal found 14-8S$ 1,162

Sun 28-914:35SIN - BWI

2 stops28h 26mMultiple Airlines

Sun 5-1014:09BWI - SIN

3 stops35h 11mMultiple Airlines

Deal found 14-8S$ 1,176

Fri 19-906:15SIN - IAD

2 stops26h 50mAir Canada

Tue 23-914:25IAD - SIN

2 stops28h 40mAir Canada

Deal found 13-8S$ 1,191

Last-minute flights from Singapore to Washington, D.C.
Discover last-minute flight deals from Singapore to Washington, D.C.. Data last updated 15 August 2025 and is based on user searches.

Tue 19-813:45SIN - DCA

2 stops43h 14mMultiple Airlines

Mon 25-808:59DCA - SIN

2 stops39h 36mMultiple Airlines

Deal found 13-8S$ 1,376

Tue 19-801:55SIN - DCA

2 stops26h 16mJapan Airlines

Tue 26-806:30DCA - SIN

2 stops35h 40mJapan Airlines

Deal found 13-8S$ 1,473

Tue 19-808:45SIN - DCA

1 stop24h 52mUnited Airlines

Mon 25-815:30DCA - SIN

2 stops26h 45mUnited Airlines

Deal found 13-8S$ 1,610

Wed 20-801:55SIN - DCA

2 stops48h 20mJapan Airlines

Sun 24-806:45DCA - SIN

2 stops29h 35mJapan Airlines

Deal found 14-8S$ 1,406

Wed 20-815:10SIN - DCA

2 stops41h 49mMultiple Airlines

Wed 27-808:59DCA - SIN

2 stops40h 51mMultiple Airlines

Deal found 13-8S$ 1,574

Wed 20-820:40SIN - IAD

1 stop30h 09mUnited Airlines

Tue 26-815:55IAD - SIN

2 stops26h 20mUnited Airlines

Deal found 13-8S$ 1,610

Thu 21-808:45SIN - IAD

2 stops26h 14mUnited Airlines

Sun 24-816:00IAD - SIN

1 stop38h 25mUnited Airlines

Deal found 14-8S$ 1,464

Thu 21-808:45SIN - DCA

1 stop24h 52mUnited Airlines

Sun 24-813:00DCA - SIN

2 stops29h 15mUnited Airlines

Deal found 14-8S$ 1,614

Sat 23-808:05SIN - BWI

2 stops26h 57mAmerican Airlines

Wed 3-906:41BWI - SIN

2 stops29h 39mAmerican Airlines

Deal found 14-8S$ 1,585

Sun 24-820:40SIN - IAD

2 stops32h 50mUnited Airlines

Sun 7-912:15IAD - SIN

1 stop30h 25mUnited Airlines

Deal found 14-8S$ 1,487

Sun 24-808:05SIN - DCA

2 stops42h 27mJapan Airlines

Sun 7-906:45DCA - SIN

2 stops29h 35mJapan Airlines

Deal found 14-8S$ 1,492

Sun 24-808:05SIN - BWI

2 stops45h 45mJapan Airlines

Sun 7-906:00BWI - SIN

2 stops47h 30mJapan Airlines

Deal found 14-8S$ 1,499

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 15 August 2025.

Mon 8-923:25SIN - IAD

1 stop32h 05mAir China

Deal found 13-8S$ 600

Thu 20-1119:40SIN - IAD

2 stops36h 35mIndiGo

Deal found 12-8S$ 651

Fri 12-920:00SIN - BWI

2 stops47h 01mMultiple Airlines

Deal found 13-8S$ 656

Sat 6-900:20SIN - BWI

2 stops42h 41mMultiple Airlines

Deal found 13-8S$ 664

Wed 3-902:40SIN - BWI

2 stops40h 21mMultiple Airlines

Deal found 13-8S$ 665

Fri 5-914:35SIN - BWI

2 stops28h 26mMultiple Airlines

Deal found 13-8S$ 668

Sat 13-914:35SIN - BWI

2 stops28h 26mMultiple Airlines

Deal found 14-8S$ 672

Sun 28-919:45SIN - IAD

2 stops36h 00mIndiGo

Deal found 14-8S$ 676

Mon 8-920:30SIN - IAD

2 stops51h 15mMultiple Airlines

Deal found 13-8S$ 717

Sat 11-1009:10SIN - IAD

2 stops36h 28mAir Canada

Deal found 13-8S$ 728

Sun 28-909:10SIN - DCA

2 stops35h 49mAir Canada

Deal found 14-8S$ 728

Thu 11-900:20SIN - IAD

3 stops35h 55mMultiple Airlines

Deal found 14-8S$ 729

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

Fri 19-9

09:00-19:30

1 stop22h 30m

Washington, D.C. Dulles Intl

Tue 23-9

23:00-21:55

1 stop34h 55m

S$ 1,018

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 30-10

08:50-21:56

2 stops25h 06m

Washington, D.C. Reagan-National

Sat 8-11

21:20-07:00

2 stops44h 40m

S$ 1,091

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 19-9

09:00-19:30

1 stop22h 30m

Washington, D.C. Dulles Intl

Tue 23-9

21:40-17:45

2 stops32h 05m

S$ 1,124

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 5-10

09:10-11:13

2 stops38h 03m

Washington, D.C. Dulles Intl

Sun 19-10

09:35-07:05

2 stops33h 30m

S$ 1,138

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 30-10

08:50-20:59

2 stops24h 09m

Washington, D.C. Dulles Intl

Sat 8-11

22:11-07:00

2 stops43h 49m

S$ 1,162

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 30-10

23:55-19:30

1 stop31h 35m

Washington, D.C. Dulles Intl

Sat 8-11

13:30-17:20

2 stops38h 50m

S$ 1,168

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

Sun 28-9

14:35-07:01

2 stops28h 26m

Baltimore/Washington

Sun 5-10

14:09-13:20

3 stops35h 11m

S$ 1,176

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 19-9

06:15-21:05

2 stops26h 50m

Washington, D.C. Dulles Intl

Tue 23-9

14:25-07:05

2 stops28h 40m

S$ 1,191

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Fri 19-9

06:15-19:44

2 stops25h 29m

Washington, D.C. Reagan-National

Tue 23-9

11:00-07:05

2 stops32h 05m

S$ 1,192

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3-9

06:15-20:55

2 stops26h 40m

Washington, D.C. Dulles Intl

Wed 17-9

12:15-06:40

1 stop30h 25m

S$ 1,199

Flights are sorted by cheapest return flights first.

Deals found on 13-8

Showing 1-10 of 45 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 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 Singapore to Washington, D.C.

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

Reviews of airlines servicing Washington, D.C.

Check out reviews from past customers who have flown with Singapore Airlines and United Airlines from Singapore to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,346 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Singapore Airlines

8.1

Very Good

1,346 reviews

Singapore Airlines

8.1

Very Good

1,346 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

NRT - LAX

United Airlines

7.4

Good

8,915 reviews

Singapore Airlines

8.1

Very Good

1,346 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

NRT - LAX

Related info for your journey

What are the cheapest airlines to fly from Singapore to Washington, D.C. one-way?
One-way options have recently been found by users for as low as S$ 600 on Air China. Other airlines that offer cheap prices include IndiGo from S$ 651 and Air Canada from S$ 728 one-way.
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 - Baltimore/Washington, Singapore Changi - Washington, D.C. Dulles Intl 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Singapore to Washington, D.C.

Singapore to Dulles Intl flights

Singapore to Reagan-National flights

Complete your trip

Washington, D.C. car hire

Washington, D.C. Dulles Intl Airport car hire

Washington, D.C. Reagan-National Airport car hire

Dupont Circle car hire

Georgetown car hire

Downtown car hire

Capitol Hill car hire

Foggy Bottom - West End car hire

Southwest Waterfront car hire

Columbia Heights car hire

Adams Morgan car hire

Anacostia car hire

Top 5 airlines flying from Singapore to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	CheapestS$ 1,238	AverageS$ 1,476	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
United Airlines	CheapestS$ 1,270	AverageS$ 1,599	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Air India	CheapestS$ 1,322	AverageS$ 1,415	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Korean Air	CheapestS$ 1,617	AverageS$ 2,221	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights
Qatar Airways	CheapestS$ 1,762	AverageS$ 2,193	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Washington, D.C.. 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 Singapore to Washington, D.C.?

Cheapflights helps you find that perfect flight to Washington, D.C. from Singapore by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Singapore to Washington, D.C. flexibly with Cheapflights today.

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

Yes! Start tracking prices for Singapore to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Singapore to Washington, D.C. from S$ 600

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 8-9. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 August 2025.

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 15 August 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 15 August 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.

Reviews of airlines servicing Washington, D.C.

Check out reviews from past customers who have flown with Singapore Airlines and United Airlines from Singapore to Washington, D.C. to help guide your decision. 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.?

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 5 airlines flying from Singapore to Washington, D.C.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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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 15 August 2025.