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 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.

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 32h 43m. 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.

$455+ Flights from Washington, D.C. Dulles Intl Airport to Singapore

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to Singapore with Cheapflights

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”

2. Select your favorite providers

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in October or November, booked 41 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	$1,142 (Mytrip)
One-way from	$455 (Booking.com)
Popular in	December
Cheapest in	October
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 ($91 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($61 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

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 12, 2025.

Mon 11/171:30 pmIAD - SIN

1 stop30h 15mMultiple Airlines

Wed 12/38:00 pmSIN - IAD

2 stops32h 30mMultiple Airlines

Deal found 11/11

$1,157

Mon 11/172:25 pmIAD - SIN

2 stops28h 35mLufthansa

Wed 12/310:10 amSIN - IAD

2 stops24h 08mLufthansa

Deal found 11/12

$1,162

Thu 12/41:30 pmIAD - SIN

1 stop39h 05mMultiple Airlines

Sun 12/2111:15 amSIN - IAD

2 stops45h 05mMultiple Airlines

Deal found 11/10

$1,163

Wed 11/1210:40 amIAD - SIN

1 stop21h 35mQatar Airways

Tue 11/183:15 amSIN - IAD

1 stop25h 40mQatar Airways

Deal found 11/11

$1,169

Mon 12/111:10 amIAD - SIN

1 stop30h 45mANA

Wed 12/1710:20 pmSIN - IAD

2 stops26h 25mANA

Deal found 11/12

$1,171

Tue 11/181:30 pmIAD - SIN

1 stop30h 15mMultiple Airlines

Wed 11/266:35 pmSIN - IAD

3 stops33h 55mMultiple Airlines

Deal found 11/10

$1,173

Thu 11/206:30 amIAD - SIN

1 stop24h 45mUnited Airlines

Sun 12/710:10 amSIN - IAD

1 stop22h 16mUnited Airlines

Deal found 11/12

$1,174

Thu 12/43:23 pmIAD - SIN

2 stops27h 37mUnited Airlines

Sun 12/2110:20 pmSIN - IAD

2 stops26h 08mUnited Airlines

Deal found 11/11

$1,179

Thu 12/256:30 amIAD - SIN

2 stops29h 25mUnited Airlines

Sun 1/410:10 amSIN - IAD

2 stops27h 05mUnited Airlines

Deal found 11/11

$1,192

Thu 12/41:30 pmIAD - SIN

1 stop39h 05mMultiple Airlines

Thu 12/1112:25 amSIN - IAD

3 stops33h 57mMultiple Airlines

Deal found 11/11

$1,196

Wed 11/2612:50 pmIAD - SIN

3 stops35h 10mMultiple Airlines

Thu 12/116:35 pmSIN - IAD

2 stops33h 55mMultiple Airlines

Deal found 11/10

$1,199

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 12, 2025.

Thu 1/292:35 pmIAD - SIN

2 stops31h 55mMultiple Airlines

Thu 2/55:10 pmSIN - IAD

2 stops28h 55mMultiple Airlines

Deal found 11/11

$1,151

Fri 1/910:32 pmIAD - SIN

2 stops32h 43mUnited Airlines

Wed 1/1410:10 amSIN - IAD

1 stop22h 25mUnited Airlines

Deal found 11/11

$1,179

Fri 1/92:35 pmIAD - SIN

1 stop30h 00mEtihad Airways

Fri 1/167:25 pmSIN - IAD

1 stop26h 40mEtihad Airways

Deal found 11/11

$1,204

Thu 3/263:35 pmIAD - SIN

1 stop30h 00mMultiple Airlines

Sun 4/55:00 pmSIN - IAD

2 stops28h 45mMultiple Airlines

Deal found 11/11

$1,163

Thu 12/410:07 amIAD - SIN

2 stops32h 53mUnited Airlines

Sun 12/2110:20 pmSIN - IAD

2 stops26h 08mUnited Airlines

Deal found 11/10

$1,179

Sat 1/104:10 pmIAD - SIN

1 stop26h 50mUnited Airlines

Tue 1/1310:20 pmSIN - IAD

2 stops26h 19mUnited Airlines

Deal found 11/11

$1,179

Fri 1/910:32 pmIAD - SIN

2 stops32h 43mUnited Airlines

Mon 1/1210:20 pmSIN - IAD

2 stops30h 54mUnited Airlines

Deal found 11/11

$1,179

Sat 1/104:11 pmIAD - SIN

2 stops26h 49mUnited Airlines

Mon 1/1210:20 pmSIN - IAD

2 stops30h 54mUnited Airlines

Deal found 11/11

$1,179

Thu 1/88:20 amIAD - SIN

2 stops27h 35mUnited Airlines

Sat 1/1710:10 amSIN - IAD

1 stop22h 25mUnited Airlines

Deal found 11/11

$1,187

Fri 1/910:20 pmIAD - SIN

1 stop32h 55mUnited Airlines

Fri 1/1610:10 amSIN - IAD

2 stops23h 58mUnited Airlines

Deal found 11/11

$1,229

Sat 1/104:10 pmIAD - SIN

1 stop26h 50mUnited Airlines

Fri 1/1610:20 pmSIN - IAD

2 stops26h 26mUnited Airlines

Deal found 11/11

$1,229

Fri 1/910:20 pmIAD - SIN

1 stop32h 55mUnited Airlines

Sat 1/1710:10 amSIN - IAD

2 stops23h 57mUnited Airlines

Deal found 11/11

$1,229

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

Wed 11/1210:40 amIAD - SIN

1 stop21h 35mQatar Airways

Tue 11/183:15 amSIN - IAD

1 stop25h 40mQatar Airways

Deal found 11/11

$1,169

Mon 11/171:30 pmIAD - SIN

1 stop30h 15mMultiple Airlines

Wed 12/38:00 pmSIN - IAD

2 stops32h 30mMultiple Airlines

Deal found 11/11

$1,157

Mon 11/172:25 pmIAD - SIN

2 stops28h 35mLufthansa

Wed 12/310:10 amSIN - IAD

2 stops24h 08mLufthansa

Deal found 11/12

$1,162

Tue 11/181:30 pmIAD - SIN

1 stop30h 15mMultiple Airlines

Wed 11/266:35 pmSIN - IAD

3 stops33h 55mMultiple Airlines

Deal found 11/10

$1,173

Thu 11/206:30 amIAD - SIN

1 stop24h 45mUnited Airlines

Sun 12/710:10 amSIN - IAD

1 stop22h 16mUnited Airlines

Deal found 11/12

$1,174

Wed 11/2612:50 pmIAD - SIN

3 stops35h 10mMultiple Airlines

Thu 12/116:35 pmSIN - IAD

2 stops33h 55mMultiple Airlines

Deal found 11/10

$1,199

Mon 12/111:10 amIAD - SIN

1 stop30h 45mANA

Wed 12/1710:20 pmSIN - IAD

2 stops26h 25mANA

Deal found 11/12

$1,171

Thu 12/41:30 pmIAD - SIN

1 stop39h 05mMultiple Airlines

Sun 12/2111:15 amSIN - IAD

2 stops45h 05mMultiple Airlines

Deal found 11/10

$1,163

Thu 12/43:23 pmIAD - SIN

2 stops27h 37mUnited Airlines

Sun 12/2110:20 pmSIN - IAD

2 stops26h 08mUnited Airlines

Deal found 11/11

$1,179

Thu 12/41:30 pmIAD - SIN

1 stop39h 05mMultiple Airlines

Thu 12/1112:25 amSIN - IAD

3 stops33h 57mMultiple Airlines

Deal found 11/11

$1,196

Thu 12/256:30 amIAD - SIN

2 stops29h 25mUnited Airlines

Sun 1/410:10 amSIN - IAD

2 stops27h 05mUnited Airlines

Deal found 11/11

$1,192

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 12, 2025.

Sat 2/281:30 pmIAD - SIN

2 stops38h 50mIndiGo

Deal found 11/10

$455

Wed 3/183:35 pmIAD - SIN

1 stop30h 00mEtihad Airways

Deal found 11/10

$464

Sat 3/288:45 pmIAD - SIN

3 stops49h 05mMultiple Airlines

Deal found 11/10

$480

Sat 2/282:35 pmIAD - SIN

1 stop30h 00mEtihad Airways

Deal found 11/10

$482

Thu 11/276:41 pmIAD - SIN

3 stops57h 39mMultiple Airlines

Deal found 11/11

$483

Tue 2/102:35 pmIAD - SIN

1 stop30h 00mEtihad Airways

Deal found 11/12

$488

Sun 2/157:05 amIAD - SIN

2 stops37h 30mMultiple Airlines

Deal found 11/11

$490

Thu 3/263:35 pmIAD - SIN

2 stops27h 05mMultiple Airlines

Deal found 11/9

$499

Sat 1/179:15 pmIAD - SIN

2 stops48h 00mIndiGo

Deal found 11/9

$504

Wed 3/183:35 pmIAD - SIN

2 stops37h 45mMultiple Airlines

Deal found 11/10

$505

Mon 3/163:35 pmIAD - SIN

3 stops51h 05mMultiple Airlines

Deal found 11/10

$506

Sat 2/282:35 pmIAD - SIN

3 stops32h 50mMultiple Airlines

Deal found 11/10

$507

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

Thu 1/29

2:35 pm-11:30 am

2 stops31h 55m

Singapore Changi

Thu 2/5

5:10 pm-9:05 am

2 stops28h 55m

$1,151

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/26

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Sun 4/5

5:00 pm-9:45 am

2 stops28h 45m

$1,163

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/9

10:32 pm-8:15 pm

2 stops32h 43m

Singapore Changi

Wed 1/14

10:10 am-7:35 pm

1 stop22h 25m

$1,179

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 12/4

10:07 am-8:00 am

2 stops32h 53m

Singapore Changi

Sun 12/21

10:20 pm-11:28 am

2 stops26h 08m

$1,179

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 1/10

4:10 pm-8:00 am

1 stop26h 50m

Singapore Changi

Tue 1/13

10:20 pm-11:39 am

2 stops26h 19m

$1,179

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/9

10:32 pm-8:15 pm

2 stops32h 43m

Singapore Changi

Mon 1/12

10:20 pm-4:14 pm

2 stops30h 54m

$1,179

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

Mon 1/12

10:20 pm-4:14 pm

2 stops30h 54m

$1,179

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 1/8

8:20 am-12:55 am

2 stops27h 35m

Singapore Changi

Sat 1/17

10:10 am-7:35 pm

1 stop22h 25m

$1,187

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/9

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Fri 1/16

7:25 pm-9:05 am

1 stop26h 40m

$1,204

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/9

10:20 pm-8:15 pm

1 stop32h 55m

Singapore Changi

Fri 1/16

10:10 am-9:08 pm

2 stops23h 58m

$1,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 22 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 41 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 $1,142). 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.

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

3,660 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

3,660 reviews

Qatar Airways

7.4

Good

3,660 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

1,289 reviews

Qatar Airways

7.4

Good

3,660 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

9,015 reviews

Qatar Airways

7.4

Good

3,660 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

4,043 reviews

Qatar Airways

7.4

Good

3,660 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

2,906 reviews

Qatar Airways

7.4

Good

3,660 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 32h 43m. 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 $1,142). 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

Baltimore to Singapore flights

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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$455+ 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 2/28. 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

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Singapore Changi are usually found in October or November, booked 41 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

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 November 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 November 12, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Dulles Intl to Singapore

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

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

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

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?

What’s the top 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?

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?

Reviews of airlines servicing Singapore

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?

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

100% Free

Book with Flexibility

Travel Smart

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 12, 2025.