What airlines fly to Singapore?

Turkish Airlines, Qatar Airways and United Airlines are the top three most popular airlines that fly to Singapore from Washington, D.C. Dulles Intl Airport according to our data. Turkish Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Singapore. Keep in mind that there are 9 different airlines that fly to Singapore on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Singapore Changi?

IndiGo, Etihad Airways, and Turkish Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Singapore Changi

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Singapore?

Dubai (DXB) has the shortest average layover time for this route: 2h 00m.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Singapore?

Flights via Istanbul (IST) offer the lowest average round-trip price of $1,467.

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Singapore?

Flights connecting via Doha (DOH) have the shortest average one-way travel time: 22h 34m.

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Singapore?

Istanbul (IST) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport are updated daily.

What documentation or ID do you need to fly to Singapore Changi Airport?

The travel and health documents required for your trip to Singapore Changi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Singapore Changi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$419 Cheap Flights from Washington, D.C. Dulles Intl Airport to Singapore in 2025/26

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8:05 pm - 8:45 amIAD-SIN

23h 40m1 stop

3:15 am - 3:55 pmSIN-IAD

25h 40m1 stop

$1,128Qatar Airways

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Thu, Jan 15 - Sat, Feb 14

12:55 pm - 8:00 amIAD-SIN

30h 05m2 stops

10:20 pm - 11:23 amSIN-IAD

26h 03m2 stops

$1,129United Airlines

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Thu, Nov 27 - Tue, Dec 2

2:30 pm - 5:20 pmIAD-SIN

38h 50m2 stops

10:20 am - 10:05 amSIN-IAD

35h 45m3 stops

$1,130Multiple Airlines

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Thu, Mar 12 - Sun, Mar 15

3:35 pm - 9:50 amIAD-SIN

30h 15m3 stops

2:30 am - 8:30 pmSIN-IAD

30h 00m2 stops

$1,131Multiple Airlines

Find Deal

Sun, Mar 29 - Mon, Apr 13

7:45 pm - 8:15 pmIAD-SIN

35h 30m1 stop

10:45 am - 7:14 amSIN-IAD

33h 29m2 stops

$1,134United Airlines

Find Deal

Sun, Jan 11 - Sun, Jan 18

9:40 pm - 5:20 pmIAD-SIN

31h 40m2 stops

7:45 pm - 7:45 pmSIN-IAD

36h 00m2 stops

$1,143IndiGo

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Sun, Mar 29 - Sun, Apr 19

8:05 pm - 8:45 amIAD-SIN

23h 40m1 stop

5:25 pm - 3:55 pmSIN-IAD

35h 30m2 stops

$1,148Qatar Airways

Find Deal

Mon, Dec 1 - Wed, Dec 17

10:15 pm - 5:20 pmIAD-SIN

31h 05m2 stops

11:15 am - 7:45 pmSIN-IAD

44h 30m2 stops

$1,149IndiGo

Find Deal

Sun, Mar 22 - Wed, Apr 8

1:30 pm - 8:45 amIAD-SIN

30h 15m1 stop

10:25 am - 11:45 amSIN-IAD

38h 20m1 stop

$1,160Turkish Airlines

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Fri, Dec 5 - Sat, Dec 20

7:00 am - 12:35 pmIAD-SIN

41h 35m2 stops

2:00 am - 5:49 amSIN-IAD

39h 49m2 stops

$1,169China Airlines

Find Deal

Mon, May 4 - Sun, May 10

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Singapore

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Singapore flight tickets

Qatar Airways

Nov 14

IAD10:40 amWashington, D.C. Dulles Intl

21h 35m

1 stop

SIN9:15 pmSingapore Changi

Nov 16

SIN8:15 pmSingapore Changi

32h 40m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$1,127

Find similar

Qatar Airways

Jan 15

IAD8:05 pmWashington, D.C. Dulles Intl

23h 40m

1 stop

SIN8:45 amSingapore Changi

Feb 14

SIN3:15 amSingapore Changi

25h 40m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$1,128

Find similar

Qatar Airways

Nov 14

IAD10:40 amWashington, D.C. Dulles Intl

21h 35m

1 stop

SIN9:15 pmSingapore Changi

Nov 24

SIN8:15 pmSingapore Changi

32h 40m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$1,141

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United Airlines flights from Washington, D.C. Dulles Intl Airport to Singapore

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Singapore flight tickets

United Airlines

Nov 27

IAD12:55 pmWashington, D.C. Dulles Intl

30h 05m

2 stops

SIN8:00 amSingapore Changi

Dec 2

SIN10:20 pmSingapore Changi

26h 03m

2 stops

IAD11:23 amWashington, D.C. Dulles Intl

$1,129

Find similar

United Airlines

Jan 11

IAD7:45 pmWashington, D.C. Dulles Intl

35h 30m

1 stop

SIN8:15 pmSingapore Changi

Jan 18

SIN10:45 amSingapore Changi

33h 29m

2 stops

IAD7:14 amWashington, D.C. Dulles Intl

$1,134

Find similar

United Airlines

Nov 13

IAD6:03 pmWashington, D.C. Dulles Intl

24h 57m

1 stop

SIN8:00 amSingapore Changi

Nov 23

SIN10:20 pmSingapore Changi

22h 10m

1 stop

IAD7:30 amWashington, D.C. Dulles Intl

$1,174

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momondo 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.

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Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 1/15

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Sat 2/14

3:15 am-3:55 pm

1 stop25h 40m

$1,128

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 11/27

12:55 pm-8:00 am

2 stops30h 05m

Singapore Changi

Tue 12/2

10:20 pm-11:23 am

2 stops26h 03m

$1,129

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 3/12

2:30 pm-5:20 pm

2 stops38h 50m

Singapore Changi

Sun 3/15

10:20 am-10:05 am

3 stops35h 45m

$1,130

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/29

3:35 pm-9:50 am

3 stops30h 15m

Singapore Changi

Mon 4/13

2:30 am-8:30 pm

2 stops30h 00m

$1,131

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 1/11

7:45 pm-8:15 pm

1 stop35h 30m

Singapore Changi

Sun 1/18

10:45 am-7:14 am

2 stops33h 29m

$1,134

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/29

9:40 pm-5:20 pm

2 stops31h 40m

Singapore Changi

Sun 4/19

7:45 pm-7:45 pm

2 stops36h 00m

$1,143

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 12/1

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Wed 12/17

5:25 pm-3:55 pm

2 stops35h 30m

$1,148

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/22

10:15 pm-5:20 pm

2 stops31h 05m

Singapore Changi

Wed 4/8

11:15 am-7:45 pm

2 stops44h 30m

$1,149

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 12/5

1:30 pm-8:45 am

1 stop30h 15m

Singapore Changi

Sat 12/20

10:25 am-11:45 am

1 stop38h 20m

$1,160

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 5/4

7:00 am-12:35 pm

2 stops41h 35m

Singapore Changi

Sun 5/10

2:00 am-5:49 am

2 stops39h 49m

$1,169

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Singapore?

The month of November is, on average, the cheapest month to fly to Singapore from Washington, D.C. Dulles Intl Airport, with most prices found around $987. If you aren’t able to travel to Singapore during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,020.

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Singapore is on a Wednesday when prices can be found for as low as $1,184. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,370.

What is the cheapest time of day to depart on your flight to Singapore?

At noon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Singapore when you can find flight prices for as low as $1,137. Flying to Singapore at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,511 on average. Flights to Singapore from Washington, D.C. Dulles Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Singapore?

You are more likely to see cheaper flights to Singapore from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,206 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Singapore from Washington, D.C. Dulles Intl Airport for as low as $970 on momondo.

How have Washington, D.C. Dulles Intl Airport to Singapore flight prices changed over time?

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Singapore

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Singapore according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Singapore (IAD to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Singapore

Direct flights	None

There are no direct flights from Washington, D.C. Dulles Intl Airport to Singapore. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Singapore.

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How far is Washington, D.C. Dulles Intl to Singapore Changi by plane?
Singapore Changi is 9647.6 mi away from Washington, D.C. Dulles Intl. A reasonable flight in good conditions will take 23h 25m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport?
There are 9 operators available for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport as of November 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport.
What documentation or ID do you need to fly to Singapore Changi Airport?
The travel and health documents required for your trip to Singapore Changi Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Singapore Changi Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Singapore?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Singapore is Turkish Airlines (38% of total bookings). The next most popular airlines are Qatar Airways (23%), United Airlines (16%), and JetBlue (7%).

Best airlines flying from Washington, D.C. Dulles Intl Airport to Singapore

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Singapore with momondo

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom $807	Free Cancellation	Rating 5.5 2,941 reviews	Search Air India flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,285 reviews	Search Etihad Airways flights
Turkish Airlines	PriceFrom $839	Free Cancellation	Rating 7.3 4,032 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,160 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,661 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,043	Free Cancellation	Rating 7.2 2,907 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,191	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
ANA	PriceFrom $1,499	Free Cancellation	Rating 8.4 1,003 reviews	Search ANA flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Singapore?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Singapore. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Singapore with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Singapore from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Singapore?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Singapore from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Singapore right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Singapore now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Singapore and let you know when they change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from $419

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Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Singapore

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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Singapore

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Singapore?

What is the cheapest day to depart on your flight to Singapore?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Singapore is on a Wednesday when prices can be found for as low as $1,184. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,370.

What is the cheapest time of day to depart on your flight to Singapore?

How far in advance should I book a flight to Singapore?

How have Washington, D.C. Dulles Intl Airport to Singapore flight prices changed over time?

As of November 2025, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 16% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Singapore Changi?

IndiGo, Etihad Airways, and Turkish Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Singapore Changi

What airlines fly to Singapore?

Which airport is the most popular layover for flights between Washington, D.C. Dulles Intl Airport and Singapore?

Istanbul (IST) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Washington, D.C. Dulles Intl Airport to Singapore?

Flights via Istanbul (IST) offer the lowest average round-trip price of $1,467.

Which layover airport has the shortest travel time from Washington, D.C. Dulles Intl Airport to Singapore?

Flights connecting via Doha (DOH) have the shortest average one-way travel time: 22h 34m.

Which layover airport has the shortest connection time from Washington, D.C. Dulles Intl Airport to Singapore?

Dubai (DXB) has the shortest average layover time for this route: 2h 00m.

When to book flights from Washington, D.C. Dulles Intl Airport to Singapore

Cheap Washington, D.C. Dulles Intl Airport to Singapore (IAD to SIN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Singapore

Direct flights

How far is Washington, D.C. Dulles Intl to Singapore Changi by plane?

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport?

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport?

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport?

What documentation or ID do you need to fly to Singapore Changi Airport?

What is the most popular airline from Washington, D.C. Dulles Intl Airport to Singapore?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Singapore

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Singapore with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Singapore?

Can I find flights from Washington, D.C. to Singapore with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Singapore?

I’m not ready to book a flight from Washington, D.C. to Singapore right now. Can momondo alert me if prices change?

An easier way to manage your Singapore trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Singapore

Fly your favorite airline to Singapore

Airlines are sorted and displayed according to clicks in the past 7 days on momondo