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$416+ Cheap flights from Dulles Intl (IAD) 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap flight deals from Dulles Intl to Singapore

Cheapest flights from Dulles Intl to Singapore
Explore the most affordable flight options available from Dulles Intl to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.

This CrystalTravel deal was found by Cheapflights users on 2/3. 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.
Sun 3/83:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 3/167:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/3$848
This CrystalTravel deal was found by Cheapflights users on 2/2. 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.
Mon 3/22:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 3/97:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/2$850
This CrystalTravel deal was found by Cheapflights users on 2/5. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/92:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Mon 2/237:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/5$852
This CrystalTravel deal was found by Cheapflights users on 2/3. 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 3/173:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Wed 4/19:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 2/3$857
This CrystalTravel deal was found by Cheapflights users on 2/4. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Tue 4/289:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 2/4$860
This CrystalTravel deal was found by Cheapflights users on 2/5. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Tue 5/129:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 2/5$881
This Justfly.com deal was found by Cheapflights users on 2/3. 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.
Sun 4/129:45 pm
IAD
-
SIN
1 stop23h 00m
Turkish Airlines
Tue 5/510:25 am
SIN
-
IAD
1 stop45h 25m
Turkish Airlines
Deal found 2/3$882
This Justfly.com deal was found by Cheapflights users on 2/1. 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.
Tue 2/101:30 pm
IAD
-
SIN
1 stop39h 05m
Turkish Airlines
Wed 2/1811:40 am
SIN
-
IAD
1 stop44h 40m
Turkish Airlines
Deal found 2/1$883
This CrystalTravel deal was found by Cheapflights users on 2/2. 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.
Wed 3/42:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Sat 3/147:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/2$887
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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.
Thu 3/52:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Thu 3/127:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/3$888
This Gotogate deal was found by Cheapflights users on 2/3. 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.
Wed 3/113:35 pm
IAD
-
SIN
1 stop30h 00m
Etihad Airways
Wed 3/187:25 pm
SIN
-
IAD
1 stop26h 40m
Etihad Airways
Deal found 2/3$889

Find flight deals from Dulles Intl to Singapore

Keep the following information in mind while searching for Dulles Intl to Singapore flight deals. Data was last updated February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$848
(CrystalTravel)

One-way from

$416
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$1,172
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. Dulles Intl to Singapore
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Singapore
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($243 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 February 6, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Singapore that are best for you.

Fly from

Dulles Intl

Fly to

Singapore

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/10

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Tue 4/28

9:00 pm-2:47 pm

2 stops29h 47m

$970

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 5/5

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sat 5/16

9:00 pm-9:45 am

1 stop24h 45m

$970

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/22

2:30 pm-5:35 pm

1 stop39h 05m

Singapore Changi

Thu 3/26

10:15 am-8:20 pm

1 stop46h 05m

$989

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/8

3:35 pm-11:30 am

2 stops31h 55m

Singapore Changi

Mon 3/16

7:25 pm-10:05 am

1 stop26h 40m

$1,031

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 3/11

3:35 pm-11:30 am

2 stops31h 55m

Singapore Changi

Wed 3/18

7:25 pm-10:05 am

1 stop26h 40m

$1,034

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/22

6:00 am-3:45 pm

2 stops45h 45m

Singapore Changi

Wed 5/6

7:20 am-11:26 pm

2 stops28h 06m

$1,056

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 5/5

6:10 am-5:30 am

2 stops35h 20m

Singapore Changi

Sat 5/16

8:05 pm-11:26 pm

2 stops39h 21m

$1,059

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 4/21

3:10 pm-11:30 am

2 stops32h 20m

Singapore Changi

Sun 4/26

9:00 pm-9:45 am

1 stop24h 45m

$1,071

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 4/15

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sun 4/19

5:10 pm-9:45 am

2 stops28h 35m

$1,071

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/19

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Thu 3/26

7:25 pm-1:32 pm

2 stops30h 07m

$1,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 21 results
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Best time to book a flight from Dulles Intl to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Dulles Intl 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. Dulles Intl Airport to Singapore

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $833). Flying from Washington, D.C. Dulles Intl Airport to Singapore in June is currently the most expensive (average of $1,143). 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 February 6, 2026.
See what other customers who have flown with Qatar Airways, United Airlines, and Etihad Airways from Washington, D.C. Dulles Intl Airport to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,728 reviews

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.4

Food

7.3

Comfort

7.4

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
3,728 reviews
Qatar Airways
7.4
Good
3,728 reviews

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.4

Food

7.3

Comfort

7.4

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
9,241 reviews
Qatar Airways
7.4
Good
3,728 reviews

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.4

Food

7.3

Comfort

7.4

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
1,387 reviews
Qatar Airways
7.4
Good
3,728 reviews

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.4

Food

7.3

Comfort

7.4

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
7.3
Good
4,210 reviews
Qatar Airways
7.4
Good
3,728 reviews

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.4

Food

7.3

Comfort

7.4

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
2,895 reviews
Qatar Airways
7.4
Good
3,728 reviews

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.4

Food

7.3

Comfort

7.4

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 Dulles Intl 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. Dulles Intl Airport to Singapore?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Singapore in 30h 30m. Fly via Etihad Airways or Turkish Airlines to get the fastest option. Airlines will cover a distance of 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. Dulles Intl Airport to Singapore one-way?

    For one-way options, check prices for IndiGo. According to our data, you can fly for as low as $429. Users have also found prices from $444 and $510 on Turkish Airlines and Qatar Airways, respectively.

  • Can I find deals for flights from Dulles Intl to Singapore that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Singapore?

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

  • Can I find deals for business class flights from Dulles Intl to Singapore?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Singapore?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $833). Flying from Washington, D.C. Dulles Intl Airport to Singapore in June is currently the most expensive (average of $1,143). 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

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Alternative routes for Dulles Intl to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to Bangalore flights
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Reagan-National to Mumbai flights
Dulles Intl to Islamabad flights
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Baltimore to Denpasar flights
Dulles Intl to Hong Kong flights
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Dulles Intl to Lahore flights
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Reagan-National to Pu Dong flights
Reagan-National to Hong Kong flights
Dulles Intl to Ahmedabad flights
Dulles Intl to Chennai flights
Baltimore to Taiwan Taoyuan Intl flights
Reagan-National to Gimpo Intl flights

Top 9 airlines flying from Dulles Intl to Singapore

Discover the top 9 airlines that operate flights from Dulles Intl 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 February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$743Average$1,328FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$807Average$1,020FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$833Average$990FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$895Average$1,107FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,021Average$1,358FlexibilityNo cancel feeOn-time68%
JetBlueCheapest$1,066Average$2,053FlexibilityNo cancel feeOn-time62%
ANACheapest$1,161Average$2,103FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$1,174Average$1,409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,196Average$1,199FlexibilityNo cancel feeOn-time71%

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