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$431+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SIN
Aug 20 — Aug 271
Thu 8/20
Thu 8/27
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 July 21, 2026.

This Bravofly deal was found by Cheapflights users on 7/19. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Thu 9/109:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/19$876
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate 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
Wed 9/169:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/20$903
This Gotogate deal was found by Cheapflights users on 7/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Mon 9/79:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/19$905
This oojo deal was found by Cheapflights users on 7/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Wed 10/149:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/20$909
This oojo deal was found by Cheapflights users on 7/19. 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 oojo 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
Wed 9/239:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/19$910
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Tue 9/89:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/19$911
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Thu 9/249:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/19$912
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Thu 10/89:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/19$913
This Gotogate deal was found by Cheapflights users on 7/16. 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.
Mon 8/313:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Thu 10/159:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/16$914
This Cheapflightsfares deal was found by Cheapflights users on 7/17. 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.
Sun 8/303:10 pm
IAD
-
SIN
1 stop30h 30m
Etihad Airways
Tue 9/89:00 pm
SIN
-
IAD
1 stop24h 45m
Etihad Airways
Deal found 7/17$915

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 July 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$876
(Bravofly)

One-way from

$431
(eDestinos)

Popular in

December

Cheapest in

February

Average price

$1,314
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. 10% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 21, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 9/13

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Mon 10/5

9:00 pm-9:45 am

1 stop24h 45m

$944

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 12/3

1:30 pm-8:45 am

1 stop30h 15m

Singapore Changi

Sat 12/19

11:15 pm-7:25 pm

1 stop33h 10m

$974

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 8/28

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Wed 9/9

9:00 pm-9:45 am

1 stop24h 45m

$984

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 8/19

8:28 am-5:00 am

2 stops32h 32m

Singapore Changi

Wed 9/16

10:00 pm-11:05 am

1 stop25h 05m

$1,160

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 10/31

8:00 am-5:00 am

2 stops33h 00m

Singapore Changi

Mon 11/16

10:30 pm-9:50 am

1 stop24h 20m

$1,160

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 8/22

8:28 am-11:55 pm

2 stops27h 27m

Singapore Changi

Fri 9/11

7:30 am-11:05 am

1 stop39h 35m

$1,160

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/28

8:00 am-5:00 am

2 stops33h 00m

Singapore Changi

Thu 10/8

10:00 pm-11:05 am

1 stop25h 05m

$1,160

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 8/16

6:10 am-11:55 pm

2 stops29h 45m

Singapore Changi

Tue 9/15

1:25 am-4:30 pm

2 stops27h 05m

$1,165

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 11/4

6:00 am-12:10 am

2 stops29h 10m

Singapore Changi

Mon 11/16

10:30 pm-11:33 pm

2 stops38h 03m

$1,165

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 8/26

7:10 am-11:55 pm

2 stops28h 45m

Singapore Changi

Wed 9/9

7:30 am-10:56 pm

2 stops27h 26m

$1,165

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 23 resultsSorted by cheapest first
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3

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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,010). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,949). 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.

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Singapore?

Booking 36 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 July 21, 2026.
See what other customers who have flown with Turkish Airlines,United Airlines, andQatar 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.
Turkish Airlines
7.4
Good
4,451 reviews

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Food

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Turkish Airlines
7.4
Good
4,451 reviews
Turkish Airlines
7.4
Good
4,451 reviews

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Food

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
United Airlines
7.4
Good
10,015 reviews
Turkish Airlines
7.4
Good
4,451 reviews

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Food

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Qatar Airways
7.3
Good
3,748 reviews
Turkish Airlines
7.4
Good
4,451 reviews

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Food

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
Etihad Airways
7.3
Good
1,484 reviews
Turkish Airlines
7.4
Good
4,451 reviews

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Food

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent
JetBlue
7.1
Good
3,018 reviews
Turkish Airlines
7.4
Good
4,451 reviews

Crew

7.8

Overall

7.4

Boarding

7.3

Entertainment

7.5

Food

7.5

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

MIA - IST

The cabin is very clean, the service is great, the food is excellent

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 Korean Air 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 Turkish Airlines. According to our data, you can fly for as low as $532. Users have also found prices from $548 and $619 on Qatar Airways and JetBlue, 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,010). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,949). 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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Top 6 airlines flying from Dulles Intl to Singapore

Discover the top 6 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 July 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$828Average$1,021FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$939Average$1,132FlexibilityNo cancel feeOn-time77%
Korean AirCheapest$998Average$1,328FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,041Average$1,333FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$1,124Average$1,404FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$1,298Average$2,103FlexibilityNo cancel feeOn-time62%

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