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 25h 05m. Fly via Korean Air, Qatar Airways, or Delta 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 flying from Washington, D.C. Dulles Intl Airport to Singapore round-trip?

Etihad Airways, at $826, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore.Alternate airlines to your destination round-trip include Turkish Airlines and Qatar Airways. Etihad Airways is 38% cheaper than the average price of flights available within the next 90 days to this destination.

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 Etihad Airways. According to our data, you can fly for as low as $479. Users have also found prices from $532 and $548 on Turkish Airlines and Qatar Airways, respectively.

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.

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).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Singapore?

Consider Turkish Airlines, United Airlines or Qatar Airways when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Singapore.

What is the cheapest time of day to fly from IAD to SIN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Dulles Intl Airport to Singapore as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Singapore flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Singapore from Washington, D.C. Dulles Intl?

Singapore Changi (SIN) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Singapore. You should not have trouble finding flights to Changi from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Singapore airport from Washington, D.C. Dulles Intl. It is only a 10.5 mi journey from Changi (SIN) to Singapore’s city center.

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.

$490+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Singapore

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Cheap flight deals from Dulles Intl to Singapore

Cheapest

Best

Last-minute

One-way

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 August 9, 2026.

Tue 9/81:15 pm -

1 stop22h 40m

Wed 9/161:25 am -

1 stop21h 40m

Deal found 8/7

$1,014

Fri 9/411:00 pm -

1 stop29h 25m

Fri 9/119:00 am -

1 stop22h 30m

Deal found 8/5

$1,017

Tue 9/811:00 pm -

1 stop43h 50m

Thu 9/175:55 pm -

1 stop37h 35m

Deal found 8/5

$1,018

Thu 9/33:10 pm -

1 stop30h 30m

Thu 9/109:00 pm -

1 stop24h 45m

Deal found 8/4

$1,025

Tue 9/111:00 pm -

1 stop34h 55m

Mon 9/145:55 pm -

1 stop37h 35m

Deal found 8/6

$1,029

Thu 8/273:10 pm -

1 stop30h 30m

Fri 9/119:00 pm -

1 stop24h 45m

Deal found 8/5

$1,030

Fri 9/411:00 pm -

1 stop29h 25m

Thu 9/175:55 pm -

1 stop37h 35m

Deal found 8/7

$1,035

Mon 8/313:10 pm -

1 stop30h 30m

Mon 9/149:00 pm -

1 stop24h 45m

Deal found 8/6

$1,041

Best flights from Dulles Intl to Singapore
Discover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.

Wed 9/238:08 am -

2 stops27h 47m

Sat 11/710:30 pm -

1 stop24h 20m

Deal found 8/8

$1,096

Sun 9/66:10 am -

2 stops34h 50m

Sun 9/201:25 am -

2 stops34h 18m

Deal found 8/6

$1,126

Sun 9/1310:35 pm -

2 stops30h 35m

Sun 11/2912:05 am -

1 stop28h 25m

Deal found 8/4

$1,189

Sun 1/38:05 pm -

1 stop23h 40m

Tue 1/261:40 pm -

2 stops31h 50m

Deal found 8/6

$1,243

Mon 1/410:30 am -

2 stops36h 00m

Tue 1/2612:30 pm -

2 stops32h 40m

Deal found 8/6

$1,347

Thu 10/86:00 am -

2 stops35h 00m

Wed 10/1410:00 pm -

2 stops32h 48m

Deal found 8/7

$1,276

Wed 8/191:30 pm -

1 stop22h 25m

Tue 8/2510:00 pm -

2 stops38h 34m

Deal found 8/7

$1,276

Sat 1/210:30 am -

2 stops44h 50m

Sun 1/249:20 pm -

2 stops47h 50m

Deal found 8/6

$1,455

Mon 12/78:00 am -

2 stops32h 00m

Mon 12/1410:40 am -

1 stop36h 10m

Deal found 8/6

$1,323

Thu 11/58:03 am -

2 stops31h 57m

Mon 11/910:30 pm -

1 stop24h 20m

Deal found 8/8

$1,326

Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated August 9, 2026 and is based on user searches.

Thu 8/273:10 pm -

1 stop30h 30m

Fri 9/119:00 pm -

1 stop24h 45m

Deal found 8/5

$1,030

Mon 8/313:10 pm -

1 stop30h 30m

Mon 9/149:00 pm -

1 stop24h 45m

Deal found 8/6

$1,041

Tue 9/111:00 pm -

1 stop34h 55m

Mon 9/145:55 pm -

1 stop37h 35m

Deal found 8/6

$1,029

Thu 9/33:10 pm -

1 stop30h 30m

Thu 9/109:00 pm -

1 stop24h 45m

Deal found 8/4

$1,025

Fri 9/411:00 pm -

1 stop29h 25m

Fri 9/119:00 am -

1 stop22h 30m

Deal found 8/5

$1,017

Fri 9/411:00 pm -

1 stop29h 25m

Thu 9/175:55 pm -

1 stop37h 35m

Deal found 8/7

$1,035

Tue 9/81:15 pm -

1 stop22h 40m

Wed 9/161:25 am -

1 stop21h 40m

Deal found 8/7

$1,014

Tue 9/811:00 pm -

1 stop43h 50m

Thu 9/175:55 pm -

1 stop37h 35m

Deal found 8/5

$1,018

One-way flights from Dulles Intl to Singapore
Search for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.

Mon 8/243:10 pm -

1 stop30h 30m

Deal found 8/7

$490

Tue 9/154:36 pm -

3 stops48h 24m

Deal found 8/5

$511

Sun 9/1311:12 am -

3 stops53h 48m

Deal found 8/5

$512

Tue 8/2511:00 pm -

1 stop29h 25m

Deal found 8/7

$513

Wed 9/94:36 pm -

3 stops48h 24m

Deal found 8/5

$514

Thu 9/1011:12 am -

3 stops38h 38m

Deal found 8/5

$516

Fri 9/1111:12 am -

3 stops46h 18m

Deal found 8/5

$519

Tue 8/1811:00 pm -

1 stop43h 50m

Deal found 8/6

$520

Fri 8/2111:00 pm -

1 stop43h 50m

Deal found 8/5

$523

Sat 9/121:15 pm -

1 stop27h 45m

Deal found 8/8

$526

Find flight deals from Dulles Intl to Singapore

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,014 (Kiwi.com)
One-way from	$490 (Orbitz)
Popular in	December
Cheapest in	April
Average price	$1,294

Provider with most accurate pricing for Washington, D.C. Dulles Intl-Singapore Changi flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Singapore Changi flights.

Search Deals

From Washington, D.C. Dulles Intl to Singapore Changi

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Singapore Changi

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($117 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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

Quickest round-trip

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 9/23

8:08 am-11:55 pm

2 stops27h 47m

Singapore Changi

Sat 11/7

10:30 pm-9:50 am

1 stop24h 20m

$1,096

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sun 9/6

6:10 am-5:00 am

2 stops34h 50m

Singapore Changi

Sun 9/20

1:25 am-11:43 pm

2 stops34h 18m

$1,126

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sun 9/13

10:35 pm-5:10 pm

2 stops30h 35m

Singapore Changi

Sun 11/29

12:05 am-3:30 pm

1 stop28h 25m

$1,189

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sun 1/3

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Tue 1/26

1:40 pm-8:30 am

2 stops31h 50m

$1,243

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Thu 10/8

6:00 am-5:00 am

2 stops35h 00m

Singapore Changi

Wed 10/14

10:00 pm-6:48 pm

2 stops32h 48m

$1,276

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 8/19

1:30 pm-11:55 pm

1 stop22h 25m

Singapore Changi

Tue 8/25

10:00 pm-12:34 am

2 stops38h 34m

$1,276

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 12/7

8:00 am-5:00 am

2 stops32h 00m

Singapore Changi

Mon 12/14

10:40 am-9:50 am

1 stop36h 10m

$1,323

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Thu 11/5

8:03 am-5:00 am

2 stops31h 57m

Singapore Changi

Mon 11/9

10:30 pm-9:50 am

1 stop24h 20m

$1,326

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 1/4

10:30 am-11:30 am

2 stops36h 00m

Singapore Changi

Tue 1/26

12:30 pm-8:10 am

2 stops32h 40m

$1,347

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sat 1/2

10:30 am-8:20 pm

2 stops44h 50m

Singapore Changi

Sun 1/24

9:20 pm-8:10 am

2 stops47h 50m

$1,455

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/8

Showing 1-10 of 22 resultsSorted by cheapest first

Compare providers for flights from Dulles Intl to Singapore

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Singapore in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Ovago	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Singapore flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

IAD-SIN

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

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

Booking 86 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.

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 $1,069). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,941). 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 much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Singapore?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Singapore flights typically cost between $1,154 and $1,516 in September.
The cheapest round-trip price found within the last 5 days was $1,014 on Korean Air (Sep 8-Sep 16).

Reviews of airlines servicing Singapore

Peruse reviews from past customers who have flown with Korean Air,Qatar Airways, andTurkish Airlines from Washington, D.C. Dulles Intl Airport to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Korean Air

8.4

Very good

1,222 reviews

Korean Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Qatar Airways

7.4

Good

3,739 reviews

Korean Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Turkish Airlines

7.4

Good

4,476 reviews

Korean Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

United Airlines

7.4

Good

10,090 reviews

Korean Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

JetBlue

7.1

Good

3,032 reviews

Korean Air

8.4

Very good

1,222 reviews

Reviews

1 / 20

10.0

Excellent

Walter,Jul 2026

LAX - BKK

It was all good! The crew was amazing and attentive seats were comfortable and we got to our destination right on time! A great experience overall!

Related info for your journey

What airport do you fly into for flights to Singapore from Washington, D.C. Dulles Intl?
Singapore Changi (SIN) is the airport you will fly into if you book a flight from Washington, D.C. Dulles Intl to Singapore. You should not have trouble finding flights to Changi from Washington, D.C. Dulles Intl; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the Singapore airport from Washington, D.C. Dulles Intl. It is only a 10.5 mi journey from Changi (SIN) to Singapore’s city center.
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 25h 05m. Fly via Korean Air, Qatar Airways, or Delta 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 flying from Washington, D.C. Dulles Intl Airport to Singapore round-trip?
Etihad Airways, at $826, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Singapore.Alternate airlines to your destination round-trip include Turkish Airlines and Qatar Airways. Etihad Airways is 38% cheaper than the average price of flights available within the next 90 days to this destination.
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 Etihad Airways. According to our data, you can fly for as low as $479. Users have also found prices from $532 and $548 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $1,069). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,941). 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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Top 6 airlines flying from Dulles Intl to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$826	Average$1,051	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$938	Average$1,135	FlexibilityNo cancel fee	On-time77%
Qatar Airways	Cheapest$1,041	Average$1,226	FlexibilityNo cancel fee	On-time68%
United Airlines	Cheapest$1,124	Average$1,404	FlexibilityNo cancel fee	On-time69%
Korean Air	Cheapest$1,153	Average$1,328	FlexibilityNo cancel fee	On-time81%
JetBlue	Cheapest$1,298	Average$2,079	FlexibilityNo cancel fee	On-time62%

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$490+ Cheap flights from Dulles Intl (IAD) to Singapore (SIN)

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Singapore

Cheapest flights from Dulles Intl to SingaporeExplore 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 August 9, 2026.

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 August 9, 2026.

Best flights from Dulles Intl to SingaporeDiscover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.

Discover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.

Last-minute flights from Dulles Intl to SingaporeDiscover last-minute flight deals from Dulles Intl to Singapore. Data last updated August 9, 2026 and is based on user searches.

Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated August 9, 2026 and is based on user searches.

One-way flights from Dulles Intl to SingaporeSearch for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.

Search for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.

Find flight deals from Dulles Intl to Singapore

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Singapore that are best for you.

Compare providers for flights from Dulles Intl to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Singapore in August.

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.

Cheapflights Insights

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

Booking 86 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.

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

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Singapore?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Singapore flights typically cost between $1,154 and $1,516 in September.The cheapest round-trip price found within the last 5 days was $1,014 on Korean Air (Sep 8-Sep 16).

Reviews of airlines servicing Singapore

Related info for your journey

What airport do you fly into for flights to Singapore from Washington, D.C. Dulles Intl?

How long is the flight from Washington, D.C. Dulles Intl Airport to Singapore?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Singapore round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Singapore one-way?

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

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

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

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

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Alternative routes for Dulles Intl to Singapore

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Dulles Intl and Singapore flights

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Other flights from Dulles Intl

Browse through other flights departing from Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on August 9, 2026.

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Other flights to Singapore

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Top 6 airlines flying from Dulles Intl to Singapore

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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 August 9, 2026.

Best flights from Dulles Intl to Singapore
Discover carefully curated flight deals from Dulles Intl to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 9, 2026.

Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated August 9, 2026 and is based on user searches.

One-way flights from Dulles Intl to Singapore
Search for one-way flight options from Dulles Intl to Singapore. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.

Washington, D.C. Dulles Intl Airport to Singapore flights typically cost between $1,154 and $1,516 in September.
The cheapest round-trip price found within the last 5 days was $1,014 on Korean Air (Sep 8-Sep 16).