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 28h 10m. Fly via Delta 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 $433. Users have also found prices from $481 and $510 on Etihad Airways 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?

Turkish Airlines, Qatar Airways and United Airlines are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Singapore.

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.

$417+ Flights from Washington, D.C. Dulles Intl Airport to Singapore

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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 December 22, 2025.

Fri 12/2610:05 pmIAD - SIN

1 stop33h 10mUnited Airlines

Sat 1/1710:20 pmSIN - IAD

1 stop21h 47mUnited Airlines

Deal found 12/21

$1,266

Wed 12/2410:10 pmIAD - SIN

2 stops33h 05mUnited Airlines

Wed 1/2110:10 amSIN - IAD

2 stops24h 03mUnited Airlines

Deal found 12/19

$1,337

Wed 12/243:22 pmIAD - SIN

1 stop27h 38mUnited Airlines

Thu 1/810:20 pmSIN - IAD

1 stop21h 27mUnited Airlines

Deal found 12/21

$1,425

Tue 12/306:30 amIAD - SIN

1 stop24h 45mUnited Airlines

Wed 1/710:20 pmSIN - IAD

2 stops30h 54mUnited Airlines

Deal found 12/21

$1,545

Mon 12/2910:10 pmIAD - SIN

2 stops33h 05mUnited Airlines

Tue 1/610:20 pmSIN - IAD

1 stop21h 27mUnited Airlines

Deal found 12/20

$1,550

Sat 12/2710:05 pmIAD - SIN

1 stop33h 10mUnited Airlines

Sun 1/1110:45 amSIN - IAD

1 stop35h 25mUnited Airlines

Deal found 12/21

$1,590

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 December 22, 2025.

Tue 3/107:18 amIAD - SIN

2 stops28h 52mDelta

Fri 3/2010:40 amSIN - IAD

2 stops25h 01mDelta

Deal found 12/21

$1,188

Fri 2/1311:50 amIAD - SIN

1 stop28h 10mKorean Air

Sun 2/2210:30 pmSIN - IAD

2 stops33h 39mKorean Air

Deal found 12/21

$1,188

Thu 3/267:10 pmIAD - SIN

2 stops38h 45mSAUDIA

Wed 4/13:45 amSIN - IAD

1 stop24h 00mSAUDIA

Deal found 12/20

$1,194

Tue 1/205:30 pmIAD - SIN

3 stops34h 50mMultiple Airlines

Wed 2/410:15 amSIN - IAD

3 stops35h 50mMultiple Airlines

Deal found 12/19

$1,240

Tue 3/109:05 pmIAD - SIN

2 stops36h 50mMalaysia Airlines

Sat 3/1410:55 pmSIN - IAD

2 stops54h 00mMalaysia Airlines

Deal found 12/21

$1,294

Mon 3/97:00 amIAD - SIN

2 stops29h 10mDelta

Fri 3/2010:40 amSIN - IAD

2 stops25h 01mDelta

Deal found 12/21

$1,188

Sat 2/287:52 pmIAD - SIN

2 stops44h 08mKorean Air

Wed 3/410:40 amSIN - IAD

2 stops41h 05mKorean Air

Deal found 12/20

$1,194

Sat 3/289:45 pmIAD - SIN

2 stops31h 35mMultiple Airlines

Sat 4/411:15 amSIN - IAD

2 stops33h 30mMultiple Airlines

Deal found 12/21

$1,301

Wed 3/116:00 amIAD - SIN

2 stops30h 10mDelta

Fri 3/2010:40 amSIN - IAD

2 stops25h 01mDelta

Deal found 12/21

$1,188

Sun 3/86:00 amIAD - SIN

2 stops30h 10mDelta

Sun 3/1510:30 pmSIN - IAD

2 stops30h 07mDelta

Deal found 12/21

$1,188

Sat 3/76:00 amIAD - SIN

2 stops29h 10mDelta

Wed 3/1810:40 amSIN - IAD

2 stops25h 01mDelta

Deal found 12/21

$1,188

Sat 3/76:00 amIAD - SIN

2 stops34h 00mDelta

Sun 3/1510:30 pmSIN - IAD

2 stops30h 07mDelta

Deal found 12/21

$1,188

Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated December 22, 2025 and is based on user searches.

Fri 12/2610:05 pmIAD - SIN

1 stop33h 10mUnited Airlines

Sat 1/1710:20 pmSIN - IAD

1 stop21h 47mUnited Airlines

Deal found 12/21

$1,266

Sun 1/118:17 amIAD - SIN

2 stops27h 38mUnited Airlines

Wed 1/2110:10 amSIN - IAD

2 stops26h 12mUnited Airlines

Deal found 12/20

$1,192

Sun 1/119:15 pmIAD - SIN

2 stops31h 05mIndiGo

Wed 1/2111:15 amSIN - IAD

2 stops45h 05mIndiGo

Deal found 12/22

$1,260

Mon 1/128:05 pmIAD - SIN

1 stop23h 40mQatar Airways

Wed 1/217:30 pmSIN - IAD

2 stops33h 25mQatar Airways

Deal found 12/22

$1,184

Tue 1/136:04 pmIAD - SIN

2 stops31h 26mEVA Air

Tue 1/201:15 pmSIN - IAD

2 stops40h 11mEVA Air

Deal found 12/20

$1,218

Fri 1/161:30 pmIAD - SIN

2 stops39h 15mIndiGo

Fri 1/2311:15 amSIN - IAD

2 stops45h 05mIndiGo

Deal found 12/20

$1,293

Sun 1/1810:40 amIAD - SIN

1 stop21h 35mQatar Airways

Sun 1/259:20 pmSIN - IAD

2 stops31h 35mQatar Airways

Deal found 12/22

$1,208

Tue 1/205:30 pmIAD - SIN

3 stops34h 50mMultiple Airlines

Wed 2/410:15 amSIN - IAD

3 stops35h 50mMultiple Airlines

Deal found 12/19

$1,240

Wed 1/2110:40 amIAD - SIN

3 stops31h 20mMultiple Airlines

Thu 2/510:30 amSIN - IAD

3 stops34h 50mMultiple Airlines

Deal found 12/20

$1,204

Fri 1/302:35 pmIAD - SIN

2 stops29h 10mMultiple Airlines

Fri 2/207:25 pmSIN - IAD

1 stop26h 40mMultiple Airlines

Deal found 12/20

$1,189

Sat 1/311:05 pmIAD - SIN

2 stops28h 50mANA

Tue 2/1010:45 amSIN - IAD

1 stop35h 25mANA

Deal found 12/21

$1,199

Sat 1/312:35 pmIAD - SIN

2 stops27h 05mMultiple Airlines

Mon 2/167:25 pmSIN - IAD

1 stop26h 40mMultiple Airlines

Deal found 12/20

$1,201

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 December 22, 2025.

Tue 3/1010:15 pmIAD - SIN

2 stops31h 05mIndiGo

Deal found 12/20

$417

Sat 3/71:30 pmIAD - SIN

2 stops38h 50mIndiGo

Deal found 12/21

$418

Mon 4/61:20 pmIAD - SIN

2 stops40h 00mIndiGo

Deal found 12/21

$423

Sat 1/249:15 pmIAD - SIN

2 stops48h 00mIndiGo

Deal found 12/20

$431

Fri 2/69:15 pmIAD - SIN

2 stops48h 00mIndiGo

Deal found 12/21

$447

Sat 2/149:15 pmIAD - SIN

2 stops48h 00mIndiGo

Deal found 12/21

$455

Tue 2/32:35 pmIAD - SIN

2 stops27h 05mMultiple Airlines

Deal found 12/20

$458

Thu 1/292:35 pmIAD - SIN

2 stops27h 05mMultiple Airlines

Deal found 12/22

$460

Tue 2/109:15 pmIAD - SIN

2 stops48h 00mIndiGo

Deal found 12/22

$462

Sat 3/78:09 amIAD - SIN

3 stops48h 46mMultiple Airlines

Deal found 12/21

$471

Tue 1/209:15 pmIAD - SIN

2 stops31h 05mIndiGo

Deal found 12/19

$472

Thu 2/52:35 pmIAD - SIN

3 stops27h 30mMultiple Airlines

Deal found 12/20

$473

Find flight deals from Dulles Intl to Singapore

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,183 (Korean Air)
One-way from	$417 (Booking.com)
Popular in	December
Cheapest in	August
Average price	$2,011

Provider with most accurate pricing for Washington, D.C. (WAS)-Singapore Changi flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Singapore Changi flights.

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From Washington, D.C. Dulles Intl to Singapore

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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 ($248 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($73 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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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

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/10

7:18 am-12:10 am

2 stops28h 52m

Singapore Changi

Fri 3/20

10:40 am-11:41 pm

2 stops25h 01m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 2/13

11:50 am-5:00 am

1 stop28h 10m

Singapore Changi

Sun 2/22

10:30 pm-7:09 pm

2 stops33h 39m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/9

7:00 am-12:10 am

2 stops29h 10m

Singapore Changi

Fri 3/20

10:40 am-11:41 pm

2 stops25h 01m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 3/11

6:00 am-12:10 am

2 stops30h 10m

Singapore Changi

Fri 3/20

10:40 am-11:41 pm

2 stops25h 01m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/8

6:00 am-12:10 am

2 stops30h 10m

Singapore Changi

Sun 3/15

10:30 pm-4:37 pm

2 stops30h 07m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-12:10 am

2 stops29h 10m

Singapore Changi

Wed 3/18

10:40 am-11:41 pm

2 stops25h 01m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-5:00 am

2 stops34h 00m

Singapore Changi

Sun 3/15

10:30 pm-4:37 pm

2 stops30h 07m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/26

7:10 pm-9:55 pm

2 stops38h 45m

Singapore Changi

Wed 4/1

3:45 am-3:45 pm

1 stop24h 00m

$1,194

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 2/28

7:52 pm-5:00 am

2 stops44h 08m

Singapore Changi

Wed 3/4

10:40 am-2:45 pm

2 stops41h 05m

$1,194

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 1/20

5:30 pm-5:20 pm

3 stops34h 50m

Singapore Changi

Wed 2/4

10:15 am-9:05 am

3 stops35h 50m

$1,240

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 23 results

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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $794). Flying from Washington, D.C. Dulles Intl Airport 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.

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

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Singapore at noon. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Singapore?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Singapore flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Singapore

See what other customers who have flown with Qatar Airways, Etihad Airways, and United Airlines 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

3,685 reviews

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

3,685 reviews

Qatar Airways

7.4

Good

3,685 reviews

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

7.4

Good

1,336 reviews

Qatar Airways

7.4

Good

3,685 reviews

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

9,102 reviews

Qatar Airways

7.4

Good

3,685 reviews

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

4,106 reviews

Qatar Airways

7.4

Good

3,685 reviews

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

3,685 reviews

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

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 28h 10m. Fly via Delta 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 $433. Users have also found prices from $481 and $510 on Etihad Airways 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $794). Flying from Washington, D.C. Dulles Intl Airport 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

Alternative routes for Dulles Intl to Singapore

Dulles Intl to Haneda flights

Dulles Intl to Narita flights

Dulles Intl to Suvarnabhumi flights

Reagan-National to Narita flights

Reagan-National to Haneda flights

Baltimore to Narita flights

Baltimore to Haneda flights

Dulles Intl to Incheon Intl flights

Dulles Intl to New Delhi flights

Dulles Intl to Hyderabad flights

Baltimore to Suvarnabhumi flights

Reagan-National to New Delhi flights

Dulles Intl to Ho Chi Minh City flights

Reagan-National to Suvarnabhumi flights

Dulles Intl to Mumbai flights

Dulles Intl to Manila flights

Reagan-National to Hyderabad flights

Baltimore to Hyderabad flights

Baltimore to New Delhi flights

Dulles Intl to Bangalore flights

Reagan-National to Bangalore flights

Baltimore to Bangalore flights

Dulles Intl to Hongqiao Intl flights

Dulles Intl to Don Mueang Intl flights

Reagan-National to Mumbai flights

Dulles Intl to Taiwan Taoyuan Intl flights

Baltimore to Mumbai flights

Dulles Intl to Lahore flights

Dulles Intl to Ahmedabad flights

Dulles Intl to Hong Kong flights

Dulles Intl to Islamabad flights

Reagan-National to Hongqiao Intl flights

Baltimore to Manila flights

Reagan-National to Manila flights

Baltimore to Incheon Intl flights

Dulles Intl to Gimpo Intl flights

Baltimore to Hongqiao Intl flights

Reagan-National to Incheon Intl flights

Dulles Intl to Chennai flights

Reagan-National to Hong Kong flights

Dulles Intl to Pu Dong flights

Reagan-National to Ho Chi Minh City flights

Reagan-National to Ahmedabad flights

Dulles Intl to Karachi flights

Baltimore to Pu Dong flights

Dulles Intl to Capital flights

Reagan-National to Taiwan Taoyuan Intl flights

Baltimore to Taiwan Taoyuan Intl flights

Baltimore to Ahmedabad flights

Baltimore to Hong Kong flights

Top 9 airlines flying from Dulles Intl to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Air India	Cheapest$807	Average$996	FlexibilityNo cancel fee	On-timeN/A
Etihad Airways	Cheapest$833	Average$990	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$856	Average$1,047	FlexibilityNo cancel fee	On-time77%
Korean Air	Cheapest$944	Average$1,199	FlexibilityNo cancel fee	On-time81%
Qatar Airways	Cheapest$1,023	Average$1,304	FlexibilityNo cancel fee	On-time68%
JetBlue	Cheapest$1,066	Average$2,053	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$1,174	Average$1,379	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$1,196	Average$1,199	FlexibilityNo cancel fee	On-time71%
ANA	Cheapest$1,499	Average$2,103	FlexibilityNo cancel fee	On-time80%

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$417+ 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 3/10. 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 December 22, 2025.

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 December 22, 2025.

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 December 22, 2025.

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.

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

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?

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

Find hourly flight availability from Dulles Intl to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2025.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Singapore. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Singapore

See what other customers who have flown with Qatar Airways, Etihad Airways, and United Airlines 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.

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?

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?

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 Dulles Intl to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 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 December 22, 2025.