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 23h 35m. Fly via Etihad Airways or Air Canada 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?

Air India, at $807, 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 Etihad Airways. Air India is 31% cheaper than the average price of flights available within the next 90 days to this destination.

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 American Airlines, Air Canada or Air India when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Singapore.

Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Singapore?

Washington, D.C. Dulles Intl Airport to Singapore flights have a layover in Istanbul most of the time.

Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Singapore flights?

Of the flights from Washington, D.C. Dulles Intl Airport to Singapore that have layovers, the fewest flights stop in Doha.

What are some popular things to do or see while on a layover in Istanbul?

The majority of Istanbul visitors spend their time at Taksim Square, Beyazit Meydani, and Sultan Ahmet Camii. Taksim Square, Beyazit Meydani, and Sultan Ahmet Camii can be accessed by traveling approximately 20.8 mi, 21.7 mi, and 22.3 mi, respectively from Istanbul. Travelers can rent a car at Istanbul for an average daily rate of $51 to make sightseeing during their layover a little easier.

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

Flights from Washington, D.C. Dulles Intl Airport to Singapore are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Singapore.

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

August can be a great time to fly to Singapore from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $1,160. Cheapflights users have found deals in the month of August for as cheap as $675. The most expensive prices can be found in the month of December.

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 10 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.

$423+ Flights from Washington, D.C. Dulles Intl Airport to Singapore

Q: 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 $1,078 and $1,544 in September. The cheapest round-trip price found within the last 3 days was $866 on Etihad Airways (Sep 11-Sep 30).

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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”

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in November or January, booked 83 days in advance, depart on a Friday or Sunday and return on a Friday

Cheap flight deals from Dulles Intl to Singapore

Round-trip from	$866 (CrystalTravel)
One-way from	$423 (Booking.com)
Popular in	December
Cheapest in	November
Average price	$1,221

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

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

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Highest demand for flights based on searches. 5% potential increase in price ($73 potential increase over avg. RT price).

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

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Average for round-trip flights in August 2025

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Find 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 August 18, 2025.

Thu 9/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Tue 9/309:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$866

Sat 10/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 10/209:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/17

$879

Mon 9/110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Sun 9/149:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$880

Sat 8/2310:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 9/89:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$883

Mon 9/1510:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Tue 9/309:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$884

Sun 9/1410:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 9/299:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$893

Tue 9/1610:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 10/139:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$894

Mon 8/2510:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 9/89:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/18

$899

Tue 9/910:05 pmIAD - SIN

1 stop24h 20mEtihad Airways

Tue 9/239:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/18

$901

Thu 9/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Thu 10/29:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/17

$904

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 18, 2025.

Mon 2/99:10 pmIAD - SIN

1 stop23h 25mEtihad Airways

Wed 2/187:25 pmSIN - IAD

1 stop33h 40mEtihad Airways

Deal found 8/16

$869

Thu 10/21:30 pmIAD - SIN

2 stops39h 50mIndiGo

Mon 10/67:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 8/16

$932

Wed 11/129:45 amIAD - SIN

2 stops32h 15mAir Canada

Tue 11/188:50 amSIN - IAD

2 stops25h 09mAir Canada

Deal found 8/16

$969

Mon 9/110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Tue 9/169:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/17

$904

Mon 9/11:30 pmIAD - SIN

2 stops39h 50mIndiGo

Tue 9/167:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 8/17

$969

Sat 2/149:10 pmIAD - SIN

1 stop23h 25mEtihad Airways

Sat 2/287:25 pmSIN - IAD

1 stop33h 40mEtihad Airways

Deal found 8/18

$907

Mon 10/1310:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Wed 10/229:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$921

Wed 10/1510:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Fri 10/249:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/15

$931

Mon 10/1310:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Fri 11/77:25 pmSIN - IAD

1 stop33h 40mEtihad Airways

Deal found 8/16

$931

Thu 9/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Tue 9/309:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/17

$931

Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated August 18, 2025 and is based on user searches.

Sat 8/2310:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 9/89:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$883

Mon 8/2510:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 9/89:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/18

$899

Mon 9/110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Sun 9/149:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$880

Mon 9/110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Wed 9/109:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/18

$906

Tue 9/910:05 pmIAD - SIN

1 stop24h 20mEtihad Airways

Tue 9/239:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/18

$901

Thu 9/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Tue 9/309:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$866

Thu 9/1110:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Thu 10/29:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/17

$904

Sun 9/1410:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 9/299:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$893

Mon 9/1510:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Tue 9/309:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$884

Tue 9/1610:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Mon 10/139:10 pmSIN - IAD

1 stop31h 00mEtihad Airways

Deal found 8/16

$894

Tue 9/301:30 pmIAD - SIN

2 stops39h 50mIndiGo

Tue 10/77:45 pmSIN - IAD

2 stops36h 00mIndiGo

Deal found 8/16

$915

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 18, 2025.

Sun 9/141:30 pmIAD - SIN

2 stops40h 15mIndiGo

Deal found 8/18

$423

Sat 9/131:30 pmIAD - SIN

2 stops40h 15mIndiGo

Deal found 8/16

$424

Fri 9/51:30 pmIAD - SIN

2 stops40h 15mIndiGo

Deal found 8/17

$430

Sun 8/311:30 pmIAD - SIN

2 stops39h 50mIndiGo

Deal found 8/16

$434

Wed 9/109:40 pmIAD - SIN

2 stops31h 40mIndiGo

Deal found 8/18

$436

Thu 11/201:30 pmIAD - SIN

2 stops38h 50mIndiGo

Deal found 8/15

$437

Fri 11/281:30 pmIAD - SIN

2 stops38h 50mIndiGo

Deal found 8/17

$443

Wed 9/31:30 pmIAD - SIN

2 stops39h 50mIndiGo

Deal found 8/18

$445

Mon 8/2512:50 pmIAD - SIN

1 stop42h 40mAir India

Deal found 8/18

$451

Tue 9/3010:05 pmIAD - SIN

2 stops31h 15mMultiple Airlines

Deal found 8/15

$452

Tue 9/3010:05 pmIAD - SIN

1 stop23h 35mEtihad Airways

Deal found 8/15

$460

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

Mon 2/9

9:10 pm-9:35 am

1 stop23h 25m

Singapore Changi

Wed 2/18

7:25 pm-4:05 pm

1 stop33h 40m

$869

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/1

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Tue 9/16

9:10 pm-4:10 pm

1 stop31h 00m

$904

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 2/14

9:10 pm-9:35 am

1 stop23h 25m

Singapore Changi

Sat 2/28

7:25 pm-4:05 pm

1 stop33h 40m

$907

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 10/13

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Wed 10/22

9:10 pm-4:10 pm

1 stop31h 00m

$921

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 10/15

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Fri 10/24

9:10 pm-4:10 pm

1 stop31h 00m

$931

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 10/13

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Fri 11/7

7:25 pm-4:05 pm

1 stop33h 40m

$931

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/11

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Tue 9/30

9:10 pm-4:10 pm

1 stop31h 00m

$931

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 10/2

1:30 pm-5:20 pm

2 stops39h 50m

Singapore Changi

Mon 10/6

7:45 pm-7:45 pm

2 stops36h 00m

$932

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 11/12

9:45 am-7:00 am

2 stops32h 15m

Singapore Changi

Tue 11/18

8:50 am-8:59 pm

2 stops25h 09m

$969

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 9/1

1:30 pm-5:20 pm

2 stops39h 50m

Singapore Changi

Tue 9/16

7:45 pm-7:45 pm

2 stops36h 00m

$969

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 21 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

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

Booking 82 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $996). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,684). 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 SIN?

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Singapore is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 25% on airfare.

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.

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

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Doha (DOH) – chosen by Cheapflights users on 55% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Singapore on Cheapflights.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $988.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Singapore?

Flights via Doha (DOH) have the shortest average one-way travel time for 1-stop routes: 22h 38m.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 4h 24m.

Reviews of airlines servicing Singapore

Peruse reviews from past customers who have flown with Korean Air, Qatar Airways, and United 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

1,131 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Korean Air

8.4

Very good

1,131 reviews

Korean Air

8.4

Very good

1,131 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Qatar Airways

7.4

Good

3,609 reviews

Korean Air

8.4

Very good

1,131 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

United Airlines

7.4

Good

8,925 reviews

Korean Air

8.4

Very good

1,131 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Turkish Airlines

7.3

Good

3,945 reviews

Korean Air

8.4

Very good

1,131 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

JetBlue

7.2

Good

2,915 reviews

Korean Air

8.4

Very good

1,131 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

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 10 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 23h 35m. Fly via Etihad Airways or Air Canada 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?
Air India, at $807, 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 Etihad Airways. Air India is 31% cheaper than the average price of flights available within the next 90 days to this destination.
Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Singapore?
Washington, D.C. Dulles Intl Airport to Singapore flights have a layover in Istanbul most of the time.
What are some popular things to do or see while on a layover in Istanbul?
The majority of Istanbul visitors spend their time at Taksim Square, Beyazit Meydani, and Sultan Ahmet Camii. Taksim Square, Beyazit Meydani, and Sultan Ahmet Camii can be accessed by traveling approximately 20.8 mi, 21.7 mi, and 22.3 mi, respectively from Istanbul. Travelers can rent a car at Istanbul for an average daily rate of $51 to make sightseeing during their layover a little easier.
Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Singapore flights?
Of the flights from Washington, D.C. Dulles Intl Airport to Singapore that have layovers, the fewest flights stop in Doha.
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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $996). Flying from Washington, D.C. Dulles Intl Airport to Singapore in December is currently the most expensive (average of $1,684). 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

Reagan-National to Singapore flights

Baltimore to Singapore flights

Other flights to Singapore

Top 10 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
Turkish Airlines	Cheapest$820	Average$951	FlexibilityNo cancel fee	On-time77%
Etihad Airways	Cheapest$833	Average$932	FlexibilityNo cancel fee	On-time75%
Air Canada	Cheapest$938	Average$1,526	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$944	Average$1,199	FlexibilityNo cancel fee	On-time81%
United Airlines	Cheapest$985	Average$1,417	FlexibilityNo cancel fee	On-time69%
Qatar Airways	Cheapest$996	Average$1,270	FlexibilityNo cancel fee	On-time68%
JetBlue	Cheapest$1,024	Average$1,139	FlexibilityNo cancel fee	On-time62%
Alaska Airlines	Cheapest$1,066	Average$1,128	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$1,196	Average$1,223	FlexibilityNo cancel fee	On-time71%

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$423+ 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Singapore with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in November or January, booked 83 days in advance, depart on a Friday or Sunday and return on a Friday

Cheap flight deals from Dulles Intl to Singapore

Round-trip from

One-way from

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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 18, 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 August 18, 2025.

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Best time to book a flight from Dulles Intl to Singapore

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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?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Singapore. Price data was last updated on August 8, 2025.

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 SIN?

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 August 18, 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.

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

What’s the top layover airport for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Share of 1-stop round-trip flights from Washington, D.C. Dulles Intl Airport to Singapore chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Average round-trip fare for 1-stop flights from Washington, D.C. Dulles Intl Airport to Singapore, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Washington, D.C. Dulles Intl Airport to Singapore?

Shortest average travel time for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Washington, D.C. Dulles Intl Airport to Singapore?

Average layover duration for 1-stop one-way flights from Washington, D.C. Dulles Intl Airport to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

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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.

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?

Where are the most common layover locations when flying from Washington, D.C. Dulles Intl Airport to Singapore?

What are some popular things to do or see while on a layover in Istanbul?

Where are the least popular layover locations for Washington, D.C. Dulles Intl Airport to Singapore flights?

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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Top 10 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 18, 2025.