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Cheap flights from Singapore to Washington, D.C. from S$ 579

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 16-4. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

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 6 November 2025.

Mon 10-1114:25SIN - BWI
2 stops28h 53mMultiple Airlines
Mon 24-1119:08BWI - SIN
2 stops28h 57mMultiple Airlines
Deal found 4-11S$ 1,295
Mon 10-1111:40SIN - IAD
1 stop37h 05mTurkish Airlines
Mon 24-1113:30IAD - SIN
1 stop39h 05mTurkish Airlines
Deal found 4-11S$ 1,306
Mon 10-1114:25SIN - IAD
2 stops28h 58mMultiple Airlines
Mon 24-1107:38IAD - SIN
2 stops40h 27mMultiple Airlines
Deal found 4-11S$ 1,374
Mon 10-1122:30SIN - IAD
2 stops31h 34mDelta
Mon 24-1111:50IAD - SIN
1 stop28h 10mDelta
Deal found 4-11S$ 1,421
Mon 10-1122:30SIN - DCA
2 stops31h 56mDelta
Mon 24-1106:59DCA - SIN
2 stops28h 11mDelta
Deal found 4-11S$ 1,421
Tue 11-1108:50SIN - DCA
2 stops26h 06mAir Canada
Wed 31-1216:17DCA - SIN
2 stops25h 43mAir Canada
Deal found 4-11S$ 1,510
Tue 11-1119:25SIN - IAD
1 stop33h 05mMultiple Airlines
Wed 31-1210:40IAD - SIN
1 stop21h 35mMultiple Airlines
Deal found 5-11S$ 1,541
Mon 17-1110:10SIN - IAD
2 stops38h 39mUnited Airlines
Thu 20-1106:30IAD - SIN
1 stop24h 45mUnited Airlines
Deal found 3-11S$ 1,580
Tue 11-1108:50SIN - IAD
2 stops49h 04mAir Canada
Wed 31-1216:30IAD - SIN
2 stops47h 00mAir Canada
Deal found 5-11S$ 1,584
Thu 20-1119:25SIN - IAD
1 stop33h 05mMultiple Airlines
Sat 22-1113:30IAD - SIN
1 stop31h 30mMultiple Airlines
Deal found 4-11S$ 1,589
Sun 9-1102:20SIN - DCA
2 stops32h 10mJapan Airlines
Mon 24-1106:50DCA - SIN
2 stops29h 00mJapan Airlines
Deal found 4-11S$ 1,604
Thu 20-1122:20SIN - IAD
1 stop39h 38mUnited Airlines
Sat 22-1122:35IAD - SIN
2 stops32h 40mUnited Airlines
Deal found 4-11S$ 1,653

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 6 November 2025.

Round-trip from

S$ 1,131

One-way from

S$ 579

Popular in

February

Cheapest in

September

Average price

S$ 1,525
Air China
  • Air China
  • 2-3-13-3
  • 2 total stops
  • 60h 50m total
  • Singapore to Washington, D.C.
Search Deals
Air China
  • Air China
  • 16-4
  • 1 total stop
  • 32h 05m total
  • Singapore to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (S$ 345 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (S$ 128 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from Singapore to Washington, D.C. that are best for you.

Fly from

Singapore

Fly to

Washington, D.C.

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 11-3

22:30-10:50

1 stop24h 20m

Washington, D.C. Dulles Intl

Sun 15-3

12:50-05:00

1 stop28h 10m

S$ 1,274

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 12-3

15:35-09:35

1 stop30h 00m

S$ 1,280

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 16-3

15:35-09:35

1 stop30h 00m

S$ 1,280

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 2-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sun 15-3

15:35-09:35

1 stop30h 00m

S$ 1,280

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Sun 15-3

15:35-09:35

1 stop30h 00m

S$ 1,280

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 2-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Mon 16-3

15:35-09:35

1 stop30h 00m

S$ 1,280

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 1-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Tue 17-3

15:35-09:35

1 stop30h 00m

S$ 1,280

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 28-2

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Thu 12-3

15:35-09:35

1 stop30h 00m

S$ 1,280

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Tue 3-3

19:25-09:05

1 stop26h 40m

Washington, D.C. Dulles Intl

Wed 11-3

15:35-09:35

1 stop30h 00m

S$ 1,280

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Thu 12-3

08:50-10:23

2 stops37h 33m

Washington, D.C. Reagan-National

Mon 16-3

20:40-07:00

2 stops46h 20m

S$ 1,285

Flights are sorted by cheapest return flights first.

Deals found on 4-11

Showing 1-10 of 58 results
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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.

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

Currently, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,070). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of S$ 1,656). 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.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 6 November 2025.
Check out reviews from past customers who have flown with 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.
United Airlines
7.4
Good
9,002 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,002 reviews
United Airlines
7.4
Good
9,002 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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.

  • How long is the flight from Singapore to Washington, D.C.?

    A quick flight from Singapore to Washington, D.C. can take about 24h 20m. Korean Air provides one of the quickest options available for as low as S$ 1,274. The distance between Singapore and Washington, D.C. is about 15521 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 795 on IndiGo. Other airlines that offer cheap prices include Korean Air from S$ 817 and Delta from S$ 821 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 - Washington, D.C. Reagan-National, Singapore Changi - Washington, D.C. Dulles Intl or Singapore Changi - Baltimore/Washington, 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.

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

    Currently, May is the cheapest month in which you can book a flight from Singapore to Washington, D.C. (average of S$ 1,070). Flying from Singapore to Washington, D.C. in July is currently the most expensive (average of S$ 1,656). 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

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.
Singapore to Reagan-National flights
Singapore to Dulles Intl flights

Top 6 airlines flying from Singapore to Washington, D.C.

Discover the top 6 airlines that operate flights from Singapore to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 200,618 searches. Data last updated 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapestS$ 1,277AverageS$ 1,505FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
United AirlinesCheapestS$ 1,291AverageS$ 1,620FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestS$ 1,292AverageS$ 2,231FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Air IndiaCheapestS$ 1,348AverageS$ 1,393FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Japan AirlinesCheapestS$ 1,431AverageS$ 1,539FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qatar AirwaysCheapestS$ 1,806AverageS$ 1,936FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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.?

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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