HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$476+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SIN
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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 March 24, 2026.

This KAYAK deal was found by Cheapflights users on 3/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Sat 5/309:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 3/21$1,098
This Gotogate deal was found by Cheapflights users on 3/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Fri 5/159:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 3/24$1,099
This Trip.com deal was found by Cheapflights users on 3/22. 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.
Tue 4/142:05 pm
IAD
-
SIN
2 stops28h 05m
Multiple Airlines
Thu 4/237:40 am
SIN
-
IAD
2 stops38h 05m
Multiple Airlines
Deal found 3/22$1,102
This Trip.com deal was found by Cheapflights users on 3/22. 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.
Tue 4/142:05 pm
IAD
-
SIN
2 stops28h 05m
Multiple Airlines
Wed 4/227:40 am
SIN
-
IAD
2 stops38h 05m
Multiple Airlines
Deal found 3/22$1,103
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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.
Mon 5/48:20 pm
IAD
-
SIN
1 stop24h 30m
Qatar Airways
Thu 5/73:15 am
SIN
-
IAD
1 stop24h 50m
Qatar Airways
Deal found 3/23$1,113
This Mytrip deal was found by Cheapflights users on 3/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:10 pm
IAD
-
SIN
2 stops27h 40m
Multiple Airlines
Tue 4/282:35 pm
SIN
-
IAD
2 stops31h 10m
Multiple Airlines
Deal found 3/21$1,115
This KAYAK deal was found by Cheapflights users on 3/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:20 pm
IAD
-
SIN
1 stop32h 10m
Turkish Airlines
Tue 6/210:25 am
SIN
-
IAD
1 stop37h 10m
Turkish Airlines
Deal found 3/21$1,116
This KAYAK deal was found by Cheapflights users on 3/22. 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.
Fri 10/99:45 pm
IAD
-
SIN
1 stop32h 10m
Turkish Airlines
Sat 10/2411:10 am
SIN
-
IAD
1 stop37h 35m
Turkish Airlines
Deal found 3/22$1,119
This KAYAK deal was found by Cheapflights users on 3/22. 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.
Sat 10/101:15 am
IAD
-
SIN
1 stop24h 40m
EVA Air
Sun 10/253:45 pm
SIN
-
IAD
1 stop42h 10m
EVA Air
Deal found 3/22$1,120
This FlightHub deal was found by Cheapflights users on 3/22. 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.
Tue 4/141:20 pm
IAD
-
SIN
1 stop33h 50m
Turkish Airlines
Thu 4/2312:50 pm
SIN
-
IAD
1 stop34h 45m
Turkish Airlines
Deal found 3/22$1,121
This KAYAK deal was found by Cheapflights users on 3/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Tue 6/29:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 3/21$1,122
This Trip.com deal was found by Cheapflights users on 3/24. 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.
Mon 9/216:59 pm
DCA
-
SIN
1 stop36h 11m
Multiple Airlines
Sat 9/269:00 am
SIN
-
DCA
1 stop24h 59m
Multiple Airlines
Deal found 3/24$1,134

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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,084
(Etihad Airways)

One-way from

$476
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$1,271
Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.
Search Deals
From Washington, D.C. (WAS) to Singapore
Search Deals
One-way flight from Washington, D.C. (WAS) to Singapore
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($247 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 24, 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

Sun 5/3

1:20 pm-8:45 am

1 stop31h 25m

Singapore Changi

Thu 5/7

12:50 pm-11:35 am

1 stop34h 45m

$1,148

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/21

6:40 pm-10:15 pm

2 stops39h 35m

Singapore Changi

Wed 5/6

9:35 am-3:40 pm

2 stops42h 05m

$1,181

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 4/18

6:40 pm-10:15 pm

2 stops63h 35m

Singapore Changi

Sat 4/25

9:35 am-3:45 pm

2 stops42h 10m

$1,181

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/9

6:10 am-11:45 am

2 stops41h 35m

Singapore Changi

Wed 9/23

1:25 pm-5:00 am

2 stops27h 35m

$1,198

BaltimoreSingapore

BWI - SIN

BWISIN

Baltimore/Washington

Mon 8/24

6:11 pm-12:35 pm

2 stops30h 24m

Singapore Changi

Tue 9/8

1:45 pm-6:21 am

2 stops28h 36m

$1,274

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 5/24

8:20 pm-3:45 pm

1 stop31h 25m

Singapore Changi

Wed 5/27

12:15 pm-4:05 pm

2 stops39h 50m

$1,303

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 5/18

11:00 am-10:15 am

2 stops35h 15m

Singapore Changi

Fri 5/22

7:40 pm-4:05 pm

1 stop32h 25m

$1,319

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

10:35 pm-6:35 pm

2 stops32h 00m

Singapore Changi

Wed 4/22

9:00 am-1:25 am

1 stop28h 25m

$1,331

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

10:35 pm-6:35 pm

2 stops32h 00m

Singapore Changi

Thu 4/23

9:00 am-12:45 am

2 stops27h 45m

$1,331

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 7/23

7:00 am-12:45 am

2 stops29h 45m

Singapore Changi

Mon 8/10

8:45 am-5:53 am

1 stop33h 08m

$1,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 59 resultsSorted by cheapest first
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, September is the cheapest month in which you can book a flight from Washington, D.C. to Singapore (average of $833). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,134). 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 March 24, 2026.
Read reviews from past customers who have flown Qatar Airways,Turkish Airlines, andUnited 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.
Qatar Airways
7.4
Good
3,732 reviews

Overall

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

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
Qatar Airways
7.4
Good
3,732 reviews
Qatar Airways
7.4
Good
3,732 reviews

Overall

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

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
Turkish Airlines
7.4
Good
4,275 reviews
Qatar Airways
7.4
Good
3,732 reviews

Overall

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

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
United Airlines
7.4
Good
9,478 reviews
Qatar Airways
7.4
Good
3,732 reviews

Overall

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

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
Etihad Airways
7.3
Good
1,429 reviews
Qatar Airways
7.4
Good
3,732 reviews

Overall

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

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
JetBlue
7.2
Good
2,905 reviews
Qatar Airways
7.4
Good
3,732 reviews

Overall

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

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?

    Turkish Airlines, SAUDIA, and Qatar Airways can get you from Washington, D.C. to Singapore in just under 31h 25m. Your travel time can differ by up to 8h 10m. 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 ($444), Etihad Airways ($481), and Qatar Airways ($550).

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

    The most popular route from Washington, D.C. to Singapore is Washington, D.C. Dulles Intl - Singapore Changi. You may also consider Washington, D.C. Reagan-National - Singapore Changi or Baltimore/Washington - Singapore Changi.

  • 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 $833). Flying from Washington, D.C. to Singapore in June is currently the most expensive (average of $1,134). 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 8 airlines flying from Washington, D.C. to Singapore

Discover the top 8 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 March 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$743Average$1,328FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$807Average$996FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$833Average$991FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$917Average$1,110FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,063Average$1,367FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$1,125Average$1,424FlexibilityNo cancel feeOn-time69%
ANACheapest$1,161Average$1,892FlexibilityNo cancel feeOn-time80%
JetBlueCheapest$1,245Average$2,079FlexibilityNo cancel feeOn-time62%

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.
Site
©2026 Cheapflights