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

Doha (DOH) – chosen by Cheapflights users on 50% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Singapore on Cheapflights.

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 San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 4h 12m.

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.

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 35h 25m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 9644 mi.

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 Etihad Airways and Turkish Airlines. Air India is 33% 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 Turkish Airlines, Qatar Airways or United Airlines 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 Laleli Camii. Taksim Square, Beyazit Meydani, and Laleli Camii can be accessed by traveling approximately 20.8 mi, 21.7 mi, and 21.5 mi, respectively from Istanbul. Travelers can rent a car at Istanbul for an average daily rate of $37 to make sightseeing during their layover a little easier.

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Singapore flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Singapore flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 9 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.

$559+ 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 $1,465 and $2,161 in March. The cheapest round-trip price found within the last 3 days was $1,152 on Multiple Airlines (Mar 29-Apr 19).

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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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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in November or October, booked 87 days in advance, depart on a Friday or Sunday and return on a Friday

Cheap flight deals from Dulles Intl to Singapore

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,152 (Etihad Airways)
One-way from	$559 (Expedia)
Popular in	December
Cheapest in	November
Average price	$985

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. 7% potential increase in price ($93 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average RT price).

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Average for round-trip flights in November 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 November 26, 2025.

Wed 11/263:25 pmIAD - SIN

1 stop27h 35mUnited Airlines

Sun 12/710:20 pmSIN - IAD

1 stop22h 10mUnited Airlines

Deal found 11/24

$1,174

Tue 12/21:30 pmIAD - SIN

1 stop39h 05mTurkish Airlines

Tue 12/3010:25 amSIN - IAD

1 stop38h 20mTurkish Airlines

Deal found 11/24

$1,194

Wed 12/31:30 pmIAD - SIN

1 stop39h 05mMultiple Airlines

Thu 12/1111:00 pmSIN - IAD

3 stops35h 22mMultiple Airlines

Deal found 11/25

$1,203

Tue 12/21:30 pmIAD - SIN

1 stop39h 05mMultiple Airlines

Wed 12/104:35 pmSIN - IAD

3 stops35h 55mMultiple Airlines

Deal found 11/24

$1,209

Sun 11/301:30 pmIAD - SIN

1 stop39h 05mTurkish Airlines

Tue 12/3010:25 amSIN - IAD

1 stop38h 20mTurkish Airlines

Deal found 11/24

$1,214

Fri 11/283:25 pmIAD - SIN

1 stop27h 35mUnited Airlines

Sat 12/2710:10 amSIN - IAD

1 stop22h 08mUnited Airlines

Deal found 11/25

$1,224

Thu 11/2712:40 pmIAD - SIN

2 stops29h 20mAir Canada

Sat 12/278:50 amSIN - IAD

2 stops25h 09mAir Canada

Deal found 11/25

$1,229

Fri 11/2810:40 amIAD - SIN

1 stop21h 35mQatar Airways

Mon 12/13:15 amSIN - IAD

1 stop42h 05mQatar Airways

Deal found 11/24

$1,233

Sat 11/291:30 pmIAD - SIN

1 stop31h 30mTurkish Airlines

Tue 12/3010:25 amSIN - IAD

1 stop38h 20mTurkish Airlines

Deal found 11/24

$1,234

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 November 26, 2025.

Mon 1/56:30 amIAD - SIN

2 stops35h 25mUnited Airlines

Fri 5/159:00 amSIN - IAD

2 stops26h 13mUnited Airlines

Deal found 11/25

$1,198

Tue 1/206:00 amIAD - SIN

2 stops35h 35mMultiple Airlines

Tue 2/172:20 amSIN - IAD

2 stops33h 28mMultiple Airlines

Deal found 11/25

$1,198

Mon 1/1910:30 amIAD - SIN

2 stops45h 10mEmirates

Sat 1/319:40 pmSIN - IAD

2 stops47h 30mEmirates

Deal found 11/24

$1,354

Sun 1/258:05 pmIAD - SIN

2 stops27h 50mQatar Airways

Tue 1/273:15 amSIN - IAD

1 stop25h 40mQatar Airways

Deal found 11/23

$1,375

Sat 11/298:15 amIAD - SIN

1 stop34h 45mUnited Airlines

Sat 12/2710:20 pmSIN - IAD

1 stop21h 27mUnited Airlines

Deal found 11/25

$1,224

Sat 1/104:11 pmIAD - SIN

2 stops26h 49mUnited Airlines

Fri 1/1610:10 amSIN - IAD

2 stops24h 09mUnited Airlines

Deal found 11/24

$1,229

Sat 1/2410:30 amIAD - SIN

2 stops45h 10mEmirates

Fri 1/309:40 pmSIN - IAD

2 stops47h 30mEmirates

Deal found 11/24

$1,354

Fri 1/93:17 pmIAD - SIN

2 stops27h 43mUnited Airlines

Fri 1/1610:10 amSIN - IAD

2 stops24h 09mUnited Airlines

Deal found 11/25

$1,229

Fri 1/2310:30 amIAD - SIN

2 stops36h 00mEmirates

Fri 1/309:40 pmSIN - IAD

2 stops47h 30mEmirates

Deal found 11/24

$1,354

Sun 11/3010:31 pmIAD - SIN

1 stop32h 44mUnited Airlines

Tue 12/3010:10 amSIN - IAD

2 stops27h 35mUnited Airlines

Deal found 11/25

$1,337

Sat 11/2910:31 pmIAD - SIN

1 stop32h 44mUnited Airlines

Tue 12/3010:10 amSIN - IAD

2 stops27h 35mUnited Airlines

Deal found 11/25

$1,387

Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated November 26, 2025 and is based on user searches.

Wed 11/263:25 pmIAD - SIN

1 stop27h 35mUnited Airlines

Sun 12/710:20 pmSIN - IAD

1 stop22h 10mUnited Airlines

Deal found 11/24

$1,174

Thu 11/2712:40 pmIAD - SIN

2 stops29h 20mAir Canada

Sat 12/278:50 amSIN - IAD

2 stops25h 09mAir Canada

Deal found 11/25

$1,229

Fri 11/283:25 pmIAD - SIN

1 stop27h 35mUnited Airlines

Sat 12/2710:10 amSIN - IAD

1 stop22h 08mUnited Airlines

Deal found 11/25

$1,224

Fri 11/2810:40 amIAD - SIN

1 stop21h 35mQatar Airways

Mon 12/13:15 amSIN - IAD

1 stop42h 05mQatar Airways

Deal found 11/24

$1,233

Sat 11/291:30 pmIAD - SIN

1 stop31h 30mTurkish Airlines

Tue 12/3010:25 amSIN - IAD

1 stop38h 20mTurkish Airlines

Deal found 11/24

$1,234

Sun 11/301:30 pmIAD - SIN

1 stop39h 05mTurkish Airlines

Tue 12/3010:25 amSIN - IAD

1 stop38h 20mTurkish Airlines

Deal found 11/24

$1,214

Tue 12/21:30 pmIAD - SIN

1 stop39h 05mTurkish Airlines

Tue 12/3010:25 amSIN - IAD

1 stop38h 20mTurkish Airlines

Deal found 11/24

$1,194

Tue 12/21:30 pmIAD - SIN

1 stop39h 05mMultiple Airlines

Wed 12/104:35 pmSIN - IAD

3 stops35h 55mMultiple Airlines

Deal found 11/24

$1,209

Wed 12/31:30 pmIAD - SIN

1 stop39h 05mMultiple Airlines

Thu 12/1111:00 pmSIN - IAD

3 stops35h 22mMultiple Airlines

Deal found 11/25

$1,203

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 November 26, 2025.

Wed 12/37:34 amIAD - SIN

2 stops28h 21mMultiple Airlines

Deal found 11/25

$559

Fri 1/99:15 pmIAD - SIN

2 stops48h 00mIndiGo

Deal found 11/25

$560

Fri 1/96:04 pmIAD - SIN

3 stops51h 11mMultiple Airlines

Deal found 11/25

$574

Tue 12/27:34 amIAD - SIN

3 stops31h 26mMultiple Airlines

Deal found 11/24

$575

Tue 12/27:34 amIAD - SIN

2 stops28h 16mJapan Airlines

Deal found 11/24

$617

Tue 12/910:00 pmIAD - SIN

1 stop29h 15mAir China

Deal found 11/26

$619

Tue 12/96:00 amIAD - SIN

2 stops37h 00mUnited Airlines

Deal found 11/26

$633

Tue 12/95:30 pmIAD - SIN

3 stops33h 05mMultiple Airlines

Deal found 11/26

$738

Wed 12/1011:10 amIAD - SIN

1 stop30h 45mANA

Deal found 11/24

$783

Sun 12/286:00 amIAD - SIN

2 stops34h 00mDelta

Deal found 11/26

$785

Thu 12/117:34 amIAD - SIN

2 stops39h 31mMultiple Airlines

Deal found 11/25

$810

Wed 12/108:20 amIAD - SIN

2 stops34h 40mUnited Airlines

Deal found 11/24

$833

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 1/5

6:30 am-6:55 am

2 stops35h 25m

Singapore Changi

Fri 5/15

9:00 am-11:13 pm

2 stops26h 13m

$1,198

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 1/20

6:00 am-6:35 am

2 stops35h 35m

Singapore Changi

Tue 2/17

2:20 am-10:48 pm

2 stops33h 28m

$1,198

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 11/29

8:15 am-8:00 am

1 stop34h 45m

Singapore Changi

Sat 12/27

10:20 pm-6:47 am

1 stop21h 27m

$1,224

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 1/10

4:11 pm-8:00 am

2 stops26h 49m

Singapore Changi

Fri 1/16

10:10 am-9:19 pm

2 stops24h 09m

$1,229

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/9

3:17 pm-8:00 am

2 stops27h 43m

Singapore Changi

Fri 1/16

10:10 am-9:19 pm

2 stops24h 09m

$1,229

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 11/30

10:31 pm-8:15 pm

1 stop32h 44m

Singapore Changi

Tue 12/30

10:10 am-12:45 am

2 stops27h 35m

$1,337

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 1/19

10:30 am-8:40 pm

2 stops45h 10m

Singapore Changi

Sat 1/31

9:40 pm-8:10 am

2 stops47h 30m

$1,354

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 1/24

10:30 am-8:40 pm

2 stops45h 10m

Singapore Changi

Fri 1/30

9:40 pm-8:10 am

2 stops47h 30m

$1,354

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/23

10:30 am-11:30 am

2 stops36h 00m

Singapore Changi

Fri 1/30

9:40 pm-8:10 am

2 stops47h 30m

$1,354

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 1/25

8:05 pm-12:55 pm

2 stops27h 50m

Singapore Changi

Tue 1/27

3:15 am-3:55 pm

1 stop25h 40m

$1,375

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 23 results

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 November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Cheapfaremart	Price Accuracy-	Trust Score*1 star
Ovago	Price Accuracy2 stars	Trust Score*2 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Singapore flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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

Prices

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

Booking 87 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $817). Flying from Washington, D.C. Dulles Intl Airport to Singapore in June is currently the most expensive (average of $1,143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 24% 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?

Reviews of airlines servicing Singapore

Peruse reviews from past customers who have flown with Qatar Airways, Etihad 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.

Qatar Airways

7.4

Good

3,677 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

3,677 reviews

Qatar Airways

7.4

Good

3,677 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

1,312 reviews

Qatar Airways

7.4

Good

3,677 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

9,050 reviews

Qatar Airways

7.4

Good

3,677 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

4,063 reviews

Qatar Airways

7.4

Good

3,677 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

2,904 reviews

Qatar Airways

7.4

Good

3,677 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

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 9 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 35h 25m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 9644 mi.
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 Etihad Airways and Turkish Airlines. Air India is 33% 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 Laleli Camii. Taksim Square, Beyazit Meydani, and Laleli Camii can be accessed by traveling approximately 20.8 mi, 21.7 mi, and 21.5 mi, respectively from Istanbul. Travelers can rent a car at Istanbul for an average daily rate of $37 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Singapore (average of $817). Flying from Washington, D.C. Dulles Intl Airport to Singapore in June is currently the most expensive (average of $1,143). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Dulles Intl to Singapore

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Reagan-National to Singapore flights

Other flights to Singapore

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$964	FlexibilityNo cancel fee	On-time75%
Turkish Airlines	Cheapest$839	Average$974	FlexibilityNo cancel fee	On-time77%
Korean Air	Cheapest$944	Average$1,199	FlexibilityNo cancel fee	On-time81%
Qatar Airways	Cheapest$996	Average$1,297	FlexibilityNo cancel fee	On-time68%
JetBlue	Cheapest$1,043	Average$2,053	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$1,191	Average$1,382	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$1,196	Average$1,223	FlexibilityNo cancel fee	On-time71%
ANA	Cheapest$1,499	Average$2,103	FlexibilityNo cancel fee	On-time80%

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$559+ 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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in November or October, booked 87 days in advance, depart on a Friday or Sunday and return on a Friday

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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 November 26, 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 November 26, 2025.

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Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Singapore

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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.

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

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Alternative routes for Dulles Intl to Singapore

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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 November 26, 2025.