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.

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.

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.

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 37h 26m. 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 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 34% 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 Turkish Airlines. According to our data, you can fly for as low as $444. 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?

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 $34 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.

$560+ 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 $1,542 and $2,170 in January. The cheapest round-trip price found within the last 3 days was $1,182 on Air Canada (Jan 16-Feb 10).

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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 October or March, booked 87 days in advance, depart on a Friday or Sunday and return on a Friday

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 diciembre 12, 2025.

mar. 12/3010:05 pmIAD - SIN

1 stop33h 10mUnited Airlines

lun. 1/126:35 amSIN - IAD

2 stops27h 19mUnited Airlines

Deal found 12/10

$1,345

jue. 12/1112:35 pmIAD - SIN

1 stop30h 25mUnited Airlines

jue. 12/1810:20 pmSIN - IAD

1 stop21h 27mUnited Airlines

Deal found 12/10

$1,425

mar. 12/305:05 pmIAD - SIN

3 stops35h 10mMultiple Airlines

lun. 1/127:25 pmSIN - IAD

3 stops33h 10mMultiple Airlines

Deal found 12/10

$1,477

vie. 12/123:23 pmIAD - SIN

2 stops27h 37mUnited Airlines

vie. 12/1910:10 amSIN - IAD

2 stops25h 56mUnited Airlines

Deal found 12/11

$1,529

vie. 12/128:05 pmIAD - SIN

1 stop29h 50mQatar Airways

vie. 12/1910:15 amSIN - IAD

1 stop42h 40mQatar Airways

Deal found 12/11

$1,592

sáb. 12/2710:10 pmIAD - SIN

2 stops33h 05mUnited Airlines

dom. 1/1110:45 amSIN - IAD

2 stops47h 09mUnited Airlines

Deal found 12/10

$1,620

jue. 12/111:10 pmIAD - SIN

2 stops28h 50mAir Canada

jue. 12/188:50 amSIN - IAD

2 stops24h 36mAir Canada

Deal found 12/10

$1,630

mié. 12/176:30 amIAD - SIN

1 stop24h 45mUnited Airlines

mié. 12/2410:45 amSIN - IAD

1 stop35h 25mUnited Airlines

Deal found 12/11

$1,732

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 diciembre 12, 2025.

sáb. 1/245:59 pmIAD - SIN

2 stops37h 26mDelta

mié. 2/1810:30 pmSIN - IAD

2 stops38h 54mDelta

Deal found 12/10

$1,188

vie. 1/2311:50 amIAD - SIN

1 stop43h 35mKorean Air

lun. 2/1610:30 pmSIN - IAD

2 stops33h 39mKorean Air

Deal found 12/10

$1,188

mié. 1/141:05 pmIAD - SIN

2 stops46h 50mANA

mar. 2/176:35 amSIN - IAD

2 stops27h 48mANA

Deal found 12/10

$1,193

vie. 1/3010:20 pmIAD - SIN

1 stop32h 55mUnited Airlines

vie. 2/610:10 amSIN - IAD

2 stops24h 07mUnited Airlines

Deal found 12/11

$1,229

sáb. 1/245:59 pmIAD - SIN

2 stops37h 26mDelta

dom. 2/151:35 amSIN - IAD

2 stops35h 49mDelta

Deal found 12/10

$1,188

lun. 1/197:49 pmIAD - SIN

2 stops59h 36mKorean Air

sáb. 2/141:35 amSIN - IAD

1 stop21h 15mKorean Air

Deal found 12/10

$1,194

vie. 1/233:42 pmIAD - SIN

2 stops39h 43mDelta

lun. 2/1610:40 amSIN - IAD

2 stops38h 10mDelta

Deal found 12/10

$1,188

dom. 1/1812:23 pmIAD - SIN

2 stops67h 02mKorean Air

sáb. 2/141:35 amSIN - IAD

1 stop21h 15mKorean Air

Deal found 12/11

$1,194

vie. 1/236:00 amIAD - SIN

2 stops49h 25mDelta

mié. 2/1810:30 pmSIN - IAD

2 stops38h 54mDelta

Deal found 12/10

$1,188

mar. 1/207:49 pmIAD - SIN

2 stops59h 36mKorean Air

vie. 2/201:35 amSIN - IAD

2 stops30h 34mKorean Air

Deal found 12/10

$1,199

sáb. 1/245:59 pmIAD - SIN

2 stops37h 26mDelta

dom. 2/1510:30 pmSIN - IAD

2 stops35h 15mDelta

Deal found 12/10

$1,188

mié. 1/217:30 pmIAD - SIN

2 stops35h 55mDelta

dom. 2/1510:30 pmSIN - IAD

2 stops38h 54mDelta

Deal found 12/10

$1,238

Last-minute flights from Dulles Intl to Singapore
Discover last-minute flight deals from Dulles Intl to Singapore. Data last updated diciembre 12, 2025 and is based on user searches.

dom. 1/1112:40 pmIAD - SIN

2 stops53h 15mANA

mar. 2/246:35 amSIN - IAD

2 stops27h 48mANA

Deal found 12/11

$1,183

dom. 1/1112:40 pmIAD - SIN

2 stops47h 15mANA

mié. 2/1810:45 amSIN - IAD

2 stops33h 44mANA

Deal found 12/10

$1,191

dom. 1/119:15 pmIAD - SIN

1 stop22h 30mMultiple Airlines

jue. 2/198:45 amSIN - IAD

2 stops37h 20mMultiple Airlines

Deal found 12/11

$1,197

lun. 1/129:15 pmIAD - SIN

2 stops32h 15mMultiple Airlines

vie. 2/207:25 pmSIN - IAD

1 stop26h 40mMultiple Airlines

Deal found 12/10

$1,198

mié. 1/141:05 pmIAD - SIN

2 stops46h 50mANA

dom. 2/2210:45 amSIN - IAD

1 stop35h 25mANA

Deal found 12/11

$1,185

mié. 1/141:05 pmIAD - SIN

2 stops46h 50mANA

jue. 2/1910:45 amSIN - IAD

2 stops33h 44mANA

Deal found 12/11

$1,190

mié. 1/141:05 pmIAD - SIN

2 stops46h 50mANA

mar. 2/246:35 amSIN - IAD

2 stops27h 48mANA

Deal found 12/11

$1,193

jue. 1/158:20 amIAD - SIN

2 stops27h 35mANA

mar. 2/176:35 amSIN - IAD

2 stops27h 48mANA

Deal found 12/11

$1,186

jue. 1/156:10 pmIAD - SIN

2 stops38h 45mSAUDIA

vie. 2/202:30 amSIN - IAD

1 stop25h 15mSAUDIA

Deal found 12/11

$1,195

dom. 1/1812:23 pmIAD - SIN

2 stops67h 02mKorean Air

sáb. 2/141:35 amSIN - IAD

1 stop21h 15mKorean Air

Deal found 12/11

$1,194

vie. 1/2311:50 amIAD - SIN

1 stop43h 35mKorean Air

mié. 2/181:35 amSIN - IAD

2 stops30h 34mKorean Air

Deal found 12/10

$1,188

dom. 1/252:35 pmIAD - SIN

3 stops32h 40mMultiple Airlines

dom. 2/16:55 pmSIN - IAD

3 stops34h 00mMultiple Airlines

Deal found 12/11

$1,196

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 diciembre 12, 2025.

sáb. 1/109:15 pmIAD - SIN

2 stops48h 00mIndiGo

Deal found 12/9

$560

vie. 1/92:35 pmIAD - SIN

3 stops56h 50mMultiple Airlines

Deal found 12/11

$562

dom. 1/42:35 pmIAD - SIN

3 stops53h 55mMultiple Airlines

Deal found 12/11

$603

sáb. 1/106:00 amIAD - SIN

3 stops60h 00mMultiple Airlines

Deal found 12/9

$607

sáb. 2/2810:05 pmIAD - SIN

2 stops57h 10mUnited Airlines

Deal found 12/11

$657

dom. 1/48:05 pmIAD - SIN

1 stop29h 50mQatar Airways

Deal found 12/11

$832

dom. 12/147:00 pmIAD - SIN

2 stops36h 15mUnited Airlines

Deal found 12/11

$833

lun. 12/156:45 amIAD - SIN

2 stops35h 10mUnited Airlines

Deal found 12/11

$842

jue. 1/12:35 pmIAD - SIN

3 stops51h 20mMultiple Airlines

Deal found 12/10

$881

lun. 12/296:01 pmIAD - SIN

1 stop24h 59mUnited Airlines

Deal found 12/10

$903

Find flight deals from Dulles Intl to Singapore

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,182 (Air Canada)
One-way from	$560 (CheapOair)
Popular in	December
Cheapest in	October
Average price	$1,911

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. 11% potential increase in price ($155 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($62 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

sáb. 1/24

5:59 pm-8:25 pm

2 stops37h 26m

Singapore Changi

mié. 2/18

10:30 pm-12:24 am

2 stops38h 54m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

vie. 1/23

11:50 am-8:25 pm

1 stop43h 35m

Singapore Changi

lun. 2/16

10:30 pm-7:09 pm

2 stops33h 39m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

sáb. 1/24

5:59 pm-8:25 pm

2 stops37h 26m

Singapore Changi

dom. 2/15

1:35 am-12:24 am

2 stops35h 49m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

vie. 1/23

3:42 pm-8:25 pm

2 stops39h 43m

Singapore Changi

lun. 2/16

10:40 am-11:50 am

2 stops38h 10m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

vie. 1/23

6:00 am-8:25 pm

2 stops49h 25m

Singapore Changi

mié. 2/18

10:30 pm-12:24 am

2 stops38h 54m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

sáb. 1/24

5:59 pm-8:25 pm

2 stops37h 26m

Singapore Changi

dom. 2/15

10:30 pm-8:45 pm

2 stops35h 15m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mié. 1/14

1:05 pm-12:55 am

2 stops46h 50m

Singapore Changi

mar. 2/17

6:35 am-9:23 pm

2 stops27h 48m

$1,193

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

lun. 1/19

7:49 pm-8:25 pm

2 stops59h 36m

Singapore Changi

sáb. 2/14

1:35 am-9:50 am

1 stop21h 15m

$1,194

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

dom. 1/18

12:23 pm-8:25 pm

2 stops67h 02m

Singapore Changi

sáb. 2/14

1:35 am-9:50 am

1 stop21h 15m

$1,194

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

mar. 1/20

7:49 pm-8:25 pm

2 stops59h 36m

Singapore Changi

vie. 2/20

1:35 am-7:09 pm

2 stops30h 34m

$1,199

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

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 December.

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, 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 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

1,331 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

9,095 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

4,088 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

2,899 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 37h 26m. 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 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 34% 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 Turkish Airlines. According to our data, you can fly for as low as $444. Users have also found prices from $481 and $510 on Etihad Airways and Qatar Airways, respectively.
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 $34 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, 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.

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Alternative routes for Dulles Intl to Singapore

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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$847	Average$1,016	FlexibilityNo cancel fee	On-time77%
Korean Air	Cheapest$944	Average$1,199	FlexibilityNo cancel fee	On-time81%
Qatar Airways	Cheapest$1,014	Average$1,296	FlexibilityNo cancel fee	On-time68%
JetBlue	Cheapest$1,066	Average$2,053	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$1,174	Average$1,381	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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$560+ 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 1/10. 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 October or March, booked 87 days in advance, depart on a Friday or Sunday and return on a Friday

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 diciembre 12, 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 diciembre 12, 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?

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?

What is the cheapest day to fly 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?

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

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

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

Which airport typically offers the quickest layover for flights 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.

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?

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 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 diciembre 12, 2025.