Singapore

$489+ Cheap flights from Washington, D.C. (WAS) to Singapore

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
May 9 — May 161
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Cheap flight deals from Washington, D.C. to Singapore

Cheapest flights from Washington, D.C. to Singapore
Explore the most affordable flight options available from Washington, D.C. to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.

This oojo deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:11 pm
BWI
-
SIN
1 stop34h 34m
Singapore Airlines
Sun 12/69:00 am
SIN
-
BWI
1 stop34h 21m
Singapore Airlines
Deal found 4/7$998
This oojo deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:11 pm
BWI
-
SIN
1 stop35h 34m
Singapore Airlines
Sun 11/19:00 am
SIN
-
BWI
1 stop34h 21m
Singapore Airlines
Deal found 4/8$1,056
This oojo deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:11 pm
BWI
-
SIN
1 stop34h 34m
Multiple Airlines
Tue 12/19:00 am
SIN
-
BWI
1 stop34h 21m
Multiple Airlines
Deal found 4/7$1,094
This Cheapflightsfares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:00 pm
IAD
-
SIN
1 stop31h 15m
Qatar Airways
Wed 4/221:05 am
SIN
-
IAD
1 stop29h 05m
Qatar Airways
Deal found 4/6$1,104
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Sat 9/269:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 4/6$1,105
This Kiwi.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Sat 9/199:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 4/4$1,106
This Trip.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:30 am
DCA
-
SIN
1 stop34h 10m
Multiple Airlines
Thu 9/178:45 pm
SIN
-
DCA
1 stop35h 15m
Multiple Airlines
Deal found 4/4$1,111
This oojo deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/73:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Mon 6/229:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 4/6$1,117
This Justfly.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/139:00 pm
IAD
-
SIN
1 stop23h 50m
Qatar Airways
Sun 4/267:40 pm
SIN
-
IAD
1 stop34h 30m
Qatar Airways
Deal found 4/5$1,119
This KAYAK deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:15 am
IAD
-
SIN
1 stop22h 40m
EVA Air
Sat 9/191:10 pm
SIN
-
IAD
1 stop20h 50m
EVA Air
Deal found 4/4$1,120
This oojo deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:11 pm
BWI
-
SIN
1 stop34h 34m
Singapore Airlines
Tue 12/18:45 pm
SIN
-
BWI
1 stop37h 45m
Singapore Airlines
Deal found 4/8$1,121
This FlightHub deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:00 pm
IAD
-
SIN
1 stop23h 50m
Qatar Airways
Thu 9/173:15 am
SIN
-
IAD
1 stop24h 25m
Qatar Airways
Deal found 4/4$1,127

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

Keep the following information in mind while searching for Washington, D.C. to Singapore flight deals. Data was last updated April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,104
(Cheapflightsfares)

One-way from

$489
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,226
Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.
From Washington, D.C. (WAS) to Singapore
One-way flight from Washington, D.C. (WAS) to Singapore
Highest demand for flights based on searches. 15% potential increase in price ($226 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($72 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Singapore 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 2,558,603 searches. Data last updated April 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 5/5

6:50 pm-10:15 pm

2 stops63h 25m

Singapore Changi

Wed 5/20

9:35 am-3:40 pm

2 stops42h 05m

$1,181

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 5/2

6:50 pm-10:15 pm

2 stops63h 25m

Singapore Changi

Sat 5/9

9:35 am-3:40 pm

2 stops42h 05m

$1,181

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 5/29

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 6/8

9:45 am-9:45 am

3 stops36h 00m

$1,312

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Sun 8/23

6:16 pm-12:35 pm

2 stops30h 19m

Singapore Changi

Thu 9/3

1:45 pm-6:35 am

2 stops28h 50m

$1,402

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 5/28

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sat 6/27

5:00 pm-9:45 am

2 stops28h 45m

$1,502

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Tue 9/8

2:50 pm-6:15 am

2 stops27h 25m

Singapore Changi

Mon 9/14

8:45 am-9:53 pm

1 stop25h 08m

$1,526
Quickest round-trip

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

Sun 8/23

6:00 pm-6:15 am

1 stop24h 15m

Singapore Changi

Thu 9/3

8:45 am-9:53 pm

1 stop25h 08m

$1,576

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 5/28

9:00 pm-5:30 pm

2 stops32h 30m

Singapore Changi

Sat 6/6

7:40 pm-6:10 pm

1 stop34h 30m

$1,617

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 7/28

3:03 pm-6:15 am

2 stops27h 12m

Singapore Changi

Wed 8/5

8:35 pm-7:10 am

1 stop22h 35m

$1,626

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Tue 5/12

6:05 am-6:35 pm

1 stop24h 30m

Singapore Changi

Tue 5/26

8:35 pm-11:47 am

2 stops27h 12m

$1,626

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Washington, D.C. to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Washington, D.C. 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 Washington, D.C. to Singapore

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $837). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,192). 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 Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated April 9, 2026.
Read reviews from past customers who have flown Qatar Airways,United Airlines, andEtihad Airways from Washington, D.C. to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.3

Comfort

7.4

Overall

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Entertainment

7.3

Comfort

7.4

Overall

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Entertainment

7.3

Comfort

7.4

Overall

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Entertainment

7.3

Comfort

7.4

Overall

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Entertainment

7.3

Comfort

7.4

Overall

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Entertainment

7.3

Comfort

7.4

Overall

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Singapore. 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 Washington, D.C. to Singapore?

    SAUDIA, United Airlines, and Qatar Airways can get you from Washington, D.C. to Singapore in just under 27h 25m. Your travel time can differ by up to 36h. The distance between Washington, D.C. and Singapore is about 9651 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Washington, D.C. to Singapore are Turkish Airlines ($444), Etihad Airways ($481), and Qatar Airways ($485).

  • What are the most popular routes from Washington, D.C. to Singapore?

  • Can I find deals for flights from Washington, D.C. to Singapore that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Singapore.

  • Can I find deals for business class flights from Washington, D.C. to Singapore?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Singapore 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 Washington, D.C. to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $837). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,192). 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.

Top 7 airlines flying from Washington, D.C. to Singapore

Discover the top 7 airlines that operate flights from Washington, D.C. to Singapore. 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 2,558,603 searches. Data last updated April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$743Average$1,328FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$807Average$996FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$828Average$990FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$917Average$1,113FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,063Average$1,367FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$1,125Average$1,401FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$1,245Average$2,103FlexibilityNo cancel feeOn-time62%

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