Singapore

$436+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
Jan 26 — Feb 21
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Cheap flight deals from Washington, D.C. to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Singapore (SG0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$873
(oojo)

One-way from

$443
(Trip.com)
From Washington, D.C. (WAS) to Singapore
One-way flight from Washington, D.C. (WAS) to Singapore

Find 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 January 21, 2025.

This oojo deal was found by Cheapflights users on 1/21. 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 3/69:25 pmIAD - SIN
1 stop31h 10mTurkish Airlines
Mon 3/1711:25 pmSIN - IAD
1 stop33h 05mTurkish Airlines
Deal found 1/21$873
This Trip.com deal was found by Cheapflights users on 1/21. 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 4/2410:00 pmIAD - SIN
1 stop23h 45mEtihad Airways
Sun 5/48:55 pmSIN - IAD
1 stop31h 40mEtihad Airways
Deal found 1/21$886
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Thu 3/277:10 pmIAD - SIN
1 stop32h 20mSAUDIA
Mon 4/75:15 pmSIN - IAD
1 stop34h 30mSAUDIA
Deal found 1/21$889
This FlightHub deal was found by Cheapflights users on 1/19. 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.
Sat 3/810:00 amIAD - SIN
1 stop32h 00mAir India
Fri 3/148:00 pmSIN - IAD
1 stop23h 50mAir India
Deal found 1/19$920
This Etihad Airways deal was found by Cheapflights users on 1/19. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:00 pmIAD - SIN
2 stops25h 30mMultiple Airlines
Mon 9/298:55 pmSIN - IAD
1 stop31h 40mMultiple Airlines
Deal found 1/19$937
This CrystalTravel deal was found by Cheapflights users on 1/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1111:50 amIAD - SIN
1 stop28h 10mKorean Air
Tue 2/181:30 amSIN - IAD
1 stop21h 20mKorean Air
Deal found 1/20$960
This eDestinos deal was found by Cheapflights users on 1/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:05 pmIAD - SIN
1 stop30h 40mQatar Airways
Wed 10/82:15 amSIN - IAD
1 stop25h 55mQatar Airways
Deal found 1/21$979
This Ovago deal was found by Cheapflights users on 1/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/14:35 pmIAD - SIN
2 stops40h 20mAir China
Mon 3/311:55 pmSIN - IAD
1 stop27h 15mAir China
Deal found 1/21$1,043
This eDestinos deal was found by Cheapflights users on 1/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/62:00 pmIAD - SIN
2 stops38h 20mIndiGo
Thu 3/137:40 pmSIN - IAD
2 stops36h 50mIndiGo
Deal found 1/20$1,045
This JetBlue deal was found by Cheapflights users on 1/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:05 pmIAD - SIN
1 stop23h 55mJetBlue
Sun 6/12:15 amSIN - IAD
1 stop25h 55mJetBlue
Deal found 1/20$1,065
This Travelocity deal was found by Cheapflights users on 1/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/196:56 pmBWI - SIN
2 stops61h 59mMultiple Airlines
Tue 2/251:55 amSIN - BWI
2 stops53h 01mMultiple Airlines
Deal found 1/20$1,111
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/119:40 amDCA - SIN
2 stops33h 15mAir Canada
Tue 3/1110:00 amSIN - DCA
2 stops34h 57mAir Canada
Deal found 1/20$1,137

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

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/6

9:25 pm-5:35 pm

1 stop31h 10m

Singapore Changi

Mon 3/17

11:25 pm-8:30 pm

1 stop33h 05m

$873

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 4/24

10:00 pm-9:45 am

1 stop23h 45m

Singapore Changi

Sun 5/4

8:55 pm-4:35 pm

1 stop31h 40m

$886

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/27

7:10 pm-3:30 pm

1 stop32h 20m

Singapore Changi

Mon 4/7

5:15 pm-3:45 pm

1 stop34h 30m

$889

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/8

10:00 am-7:00 am

1 stop32h 00m

Singapore Changi

Fri 3/14

8:00 pm-7:50 am

1 stop23h 50m

$920

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 2/17

9:30 pm-6:15 am

2 stops43h 45m

Singapore Changi

Mon 2/24

5:00 pm-2:45 pm

1 stop34h 45m

$958

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 2/11

11:50 am-5:00 am

1 stop28h 10m

Singapore Changi

Tue 2/18

1:30 am-9:50 am

1 stop21h 20m

$960

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 2/16

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Mon 2/24

3:15 am-3:55 pm

1 stop25h 40m

$1,013

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/1

4:35 pm-9:55 pm

2 stops40h 20m

Singapore Changi

Mon 3/3

11:55 pm-2:10 pm

1 stop27h 15m

$1,043

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/6

2:00 pm-5:20 pm

2 stops38h 20m

Singapore Changi

Thu 3/13

7:40 pm-8:30 pm

2 stops36h 50m

$1,045

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 5/13

9:05 pm-9:00 am

1 stop23h 55m

Singapore Changi

Mon 6/2

6:45 pm-8:45 am

1 stop26h 00m

$1,065

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 60 results
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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.

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

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

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 $1,011). Flying from Washington, D.C. to Singapore in December is currently the most expensive (average of $1,684). 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.

What is the cheapest time of day to fly from WAS to SG?

Find hourly flight availability from Washington, D.C. to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Washington, D.C. to Singapore, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 January 21, 2025.
See what other customers who have flown with ANA, Qatar Airways and Korean Air from Washington, D.C. to Singapore have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

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.

8.5
Very good
1,039 reviews
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

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.

8.4
Very good
852 reviews
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

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.

8.3
Very good
1,449 reviews
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

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.

8.1
Very good
3,358 reviews
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

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.

8.1
Very good
1,328 reviews
8.5
Very good
1,039 reviews

Crew

8.7

Entertainment

8.2

Overall

8.5

Boarding

8.5

Food

8.1

Comfort

8.3

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

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.
  • 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 Qatar Airways ($487), Air India ($497), and Etihad Airways ($530).

  • 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 $1,011). Flying from Washington, D.C. to Singapore in December is currently the most expensive (average of $1,684). 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

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Alternative routes for Washington, D.C. to Singapore

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

Top 9 airlines flying from Washington, D.C. to Singapore

Discover the top 9 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$833Average$1,041FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$904Average$1,697FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,001Average$1,681FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$1,016Average$1,369FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,021Average$1,385FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$1,028Average$1,194FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$1,100Average$1,332FlexibilityNo cancel feeOn-time81%
Singapore AirlinesCheapest$1,226Average$1,681FlexibilityNo cancel feeOn-time81%
EmiratesCheapest$1,666Average$1,719FlexibilityNo cancel feeOn-time75%
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