Singapore

$259+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
ene. 30 — feb. 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 diciembre 31, 2025.

This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:30 amIAD - SIN
1 stop24h 45mUnited Airlines
mar. 1/610:20 pmSIN - IAD
2 stops31h 02mUnited Airlines
Deal found 12/29$1,338
This Mytrip deal was found by Cheapflights users on 12/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:10 pmIAD - SIN
3 stops34h 10mMultiple Airlines
dom. 1/46:35 pmSIN - IAD
2 stops34h 20mMultiple Airlines
Deal found 12/31$1,817
This Gurufare deal was found by Cheapflights users on 12/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:30 amBWI - SIN
1 stop24h 45mANA
mar. 1/610:20 pmSIN - BWI
2 stops36h 01mANA
Deal found 12/29$1,854
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:30 amDCA - SIN
2 stops35h 25mUnited Airlines
mar. 1/610:20 pmSIN - DCA
2 stops26h 10mUnited Airlines
Deal found 12/29$1,992
This oojo deal was found by Cheapflights users on 12/29. 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.
mar. 12/306:35 pmDCA - SIN
2 stops28h 20mCathay Pacific
mar. 1/66:00 pmSIN - DCA
2 stops29h 03mCathay Pacific
Deal found 12/29$2,137
This oojo deal was found by Cheapflights users on 12/29. 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.
mar. 12/308:00 amDCA - SIN
2 stops41h 30mEVA Air
mar. 1/61:15 pmSIN - DCA
2 stops41h 41mEVA Air
Deal found 12/29$2,145
This United Airlines deal was found by Cheapflights users on 12/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3110:05 pmIAD - SIN
1 stop44h 55mUnited Airlines
dom. 1/410:20 pmSIN - IAD
1 stop21h 27mUnited Airlines
Deal found 12/31$2,157
This Mytrip deal was found by Cheapflights users on 12/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:30 pmIAD - SIN
3 stops34h 50mMultiple Airlines
mar. 1/611:15 amSIN - IAD
3 stops34h 50mMultiple Airlines
Deal found 12/29$2,240
This oojo deal was found by Cheapflights users on 12/29. 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.
mar. 12/309:59 amDCA - SIN
1 stop32h 56mSingapore Airlines
mar. 1/68:45 pmSIN - DCA
1 stop36h 15mSingapore Airlines
Deal found 12/29$2,993
This Orbitz deal was found by Cheapflights users on 12/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:00 amBWI - SIN
2 stops29h 50mMultiple Airlines
mar. 1/62:10 pmSIN - BWI
2 stops41h 04mMultiple Airlines
Deal found 12/29$3,187
This oojo deal was found by Cheapflights users on 12/29. 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.
mar. 12/308:00 amBWI - SIN
1 stop34h 55mSingapore Airlines
mar. 1/69:00 amSIN - BWI
1 stop22h 00mSingapore Airlines
Deal found 12/29$3,246
This United Airlines deal was found by Cheapflights users on 12/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/308:00 amBWI - SIN
1 stop35h 00mUnited Airlines
mar. 1/610:20 pmSIN - BWI
2 stops29h 44mUnited Airlines
Deal found 12/29$3,601

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 diciembre 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,036
(oojo)

One-way from

$259
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$2,039
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. 17% potential increase in price ($256 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($76 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 diciembre 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Singapore that are best for you.

Fly from

Washington, D.C.

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

dom. 2/1

7:49 pm-12:10 am

2 stops39h 21m

Singapore Changi

lun. 2/16

1:35 am-9:50 am

1 stop21h 15m

$1,133

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

jue. 3/5

7:15 am-8:25 pm

2 stops48h 10m

Singapore Changi

mié. 3/11

10:40 am-10:50 am

1 stop36h 10m

$1,133

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

jue. 2/12

7:30 am-6:55 am

2 stops34h 25m

Singapore Changi

jue. 2/19

10:10 am-9:36 pm

1 stop24h 26m

$1,134

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mié. 1/21

7:00 am-8:00 am

1 stop36h 00m

Singapore Changi

lun. 2/2

10:20 pm-11:29 am

2 stops26h 09m

$1,136

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mar. 1/20

7:00 am-8:00 am

1 stop36h 00m

Singapore Changi

mié. 2/4

10:20 pm-11:29 am

2 stops26h 09m

$1,136

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

dom. 1/18

5:59 pm-8:15 pm

1 stop37h 16m

Singapore Changi

mar. 2/3

10:10 am-9:52 pm

1 stop24h 42m

$1,136

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

mié. 4/1

5:59 pm-6:35 pm

1 stop36h 36m

Singapore Changi

mié. 4/15

8:40 pm-4:56 pm

1 stop32h 16m

$1,136

Washington, D.C.Singapore

DCA - SIN

DCASIN

Washington, D.C. Reagan-National

dom. 2/8

8:35 pm-12:10 am

2 stops38h 35m

Singapore Changi

jue. 2/26

10:40 am-11:28 pm

2 stops25h 48m

$1,139

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 4/1

7:00 am-5:00 am

2 stops34h 00m

Singapore Changi

mié. 4/15

10:30 pm-11:44 pm

2 stops37h 14m

$1,139

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 4/1

1:15 pm-5:00 am

1 stop27h 45m

Singapore Changi

lun. 4/13

10:30 pm-6:08 pm

2 stops31h 38m

$1,139

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 60 results
1
2
3
...
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, November is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $794). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,144). 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 diciembre 31, 2025.
Read reviews from past customers who have flown Qatar Airways, United Airlines, and Turkish Airlines 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

7.4

Crew

7.9

Boarding

7.5

Overall

7.4

Comfort

7.4

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

7.4

Crew

7.9

Boarding

7.5

Overall

7.4

Comfort

7.4

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

7.4

Crew

7.9

Boarding

7.5

Overall

7.4

Comfort

7.4

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

7.4

Crew

7.9

Boarding

7.5

Overall

7.4

Comfort

7.4

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

7.4

Crew

7.9

Boarding

7.5

Overall

7.4

Comfort

7.4

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

7.4

Crew

7.9

Boarding

7.5

Overall

7.4

Comfort

7.4

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?

    Korean Air, United Airlines, and Delta can get you from Washington, D.C. to Singapore in just under 28h 20m. Your travel time can differ by up to 19h 50m. The distance between Washington, D.C. and Singapore is about 9644 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 ($433), Etihad Airways ($481), and Qatar Airways ($510).

  • 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $794). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,144). 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 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 diciembre 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$807Average$996FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$833Average$990FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$856Average$1,056FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$944Average$1,199FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,031Average$1,320FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,066Average$2,053FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$1,174Average$1,388FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,196Average$1,199FlexibilityNo cancel feeOn-time71%
ANACheapest$1,499Average$2,103FlexibilityNo cancel feeOn-time80%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.