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 20m.

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: 54% of momondo users choosing 1-stop flights on this route connected there.

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

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

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 47% 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.

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 $1,237.

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 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.

$403 Cheap Flights from Washington, D.C. Dulles Intl Airport to Singapore in 2025

Q: What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Singapore?

Prices are currently low for flights on this route. Typical prices usually range from $991 to $1,274. The lowest price recently found on this route was $954.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Singapore

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One-way

Last minute

Cheap round-trip flights

9:40 pm - 5:15 pmIAD-SIN

31h 35m2 stops

7:45 pm - 7:45 pmSIN-IAD

36h 00m2 stops

$954IndiGo

Find Deal

dom, out 12 - seg, out 20

9:40 pm - 5:15 pmIAD-SIN

31h 35m2 stops

7:45 pm - 7:45 pmSIN-IAD

36h 00m2 stops

$967IndiGo

Find Deal

dom, out 12 - seg, out 20

10:08 pm - 11:40 pmIAD-SIN

37h 32m2 stops

2:10 pm - 6:48 amSIN-IAD

29h 38m2 stops

$969

Find Deal

seg, out 27 - seg, nov 3

1:00 pm - 7:05 amIAD-SIN

54h 05m2 stops

8:50 am - 11:23 amSIN-IAD

38h 33m2 stops

$1,016Air Canada

Find Deal

seg, out 13 - ter, out 28

11:00 am - 9:00 pmIAD-SIN

22h 00m1 stop

3:10 am - 3:40 pmSIN-IAD

24h 30m1 stop

$1,021Qatar Airways

Find Deal

dom, set 21 - dom, set 28

9:40 pm - 5:55 pmIAD-SIN

32h 15m1 stop

11:10 pm - 11:45 amSIN-IAD

24h 35m1 stop

$1,027Turkish Airlines

Find Deal

seg, set 29 - ter, out 14

9:45 am - 12:55 amIAD-SIN

26h 10m2 stops

8:50 am - 8:54 pmSIN-IAD

25h 04m2 stops

$1,029Air Canada

Find Deal

ter, nov 11 - ter, nov 18

9:10 pm - 5:35 pmIAD-SIN

31h 25m1 stop

11:25 pm - 7:15 pmSIN-IAD

32h 50m1 stop

$1,035Turkish Airlines

Find Deal

ter, nov 11 - ter, nov 18

11:00 am - 9:00 pmIAD-SIN

22h 00m1 stop

3:10 am - 3:40 pmSIN-IAD

24h 30m1 stop

$1,058Qatar Airways

Find Deal

sex, set 19 - qui, set 25

10:05 pm - 9:40 amIAD-SIN

23h 35m1 stop

9:10 pm - 4:10 pmSIN-IAD

31h 00m1 stop

$1,099Etihad Airways

Find Deal

sex, out 10 - dom, out 19

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

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

Turkish Airlines

Sep 29

IAD9:40 pmWashington, D.C. Dulles Intl

32h 15m

1 stop

SIN5:55 pmSingapore Changi

Oct 14

SIN11:10 pmSingapore Changi

24h 35m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$1,027

Find similar

Turkish Airlines

Nov 11

IAD9:10 pmWashington, D.C. Dulles Intl

31h 25m

1 stop

SIN5:35 pmSingapore Changi

Nov 18

SIN11:25 pmSingapore Changi

32h 50m

1 stop

IAD7:15 pmWashington, D.C. Dulles Intl

$1,035

Find similar

Turkish Airlines

Oct 13

IAD9:40 pmWashington, D.C. Dulles Intl

32h 15m

1 stop

SIN5:55 pmSingapore Changi

Oct 28

SIN11:25 pmSingapore Changi

25h 20m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$1,048

Find similar

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

Sep 21

IAD11:00 amWashington, D.C. Dulles Intl

22h 00m

1 stop

SIN9:00 pmSingapore Changi

Sep 28

SIN3:10 amSingapore Changi

24h 30m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$1,021

Find similar

Qatar Airways

Sep 19

IAD11:00 amWashington, D.C. Dulles Intl

22h 00m

1 stop

SIN9:00 pmSingapore Changi

Sep 25

SIN3:10 amSingapore Changi

24h 30m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$1,058

Find similar

Qatar Airways

Sep 29

IAD9:00 pmWashington, D.C. Dulles Intl

30h 45m

1 stop

SIN3:45 pmSingapore Changi

Oct 13

SIN3:10 amSingapore Changi

24h 30m

1 stop

IAD3:40 pmWashington, D.C. Dulles Intl

$1,070

Find similar

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.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

dom 10/12

9:40 pm-5:15 pm

2 stops31h 35m

Singapore Changi

seg 10/20

7:45 pm-7:45 pm

2 stops36h 00m

$954

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

dom 10/12

9:40 pm-5:15 pm

2 stops31h 35m

Singapore Changi

seg 10/20

7:45 pm-7:45 pm

2 stops36h 00m

$967

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

seg 10/27

10:08 pm-11:40 pm

2 stops37h 32m

Singapore Changi

seg 11/3

2:10 pm-6:48 am

2 stops29h 38m

$969

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

seg 10/13

1:00 pm-7:05 am

2 stops54h 05m

Singapore Changi

ter 10/28

8:50 am-11:23 am

2 stops38h 33m

$1,016

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

dom 9/21

11:00 am-9:00 pm

1 stop22h 00m

Singapore Changi

dom 9/28

3:10 am-3:40 pm

1 stop24h 30m

$1,021

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

seg 9/29

9:40 pm-5:55 pm

1 stop32h 15m

Singapore Changi

ter 10/14

11:10 pm-11:45 am

1 stop24h 35m

$1,027

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

ter 11/11

9:45 am-12:55 am

2 stops26h 10m

Singapore Changi

ter 11/18

8:50 am-8:54 pm

2 stops25h 04m

$1,029

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

ter 11/11

9:10 pm-5:35 pm

1 stop31h 25m

Singapore Changi

ter 11/18

11:25 pm-7:15 pm

1 stop32h 50m

$1,035

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

sex 9/19

11:00 am-9:00 pm

1 stop22h 00m

Singapore Changi

qui 9/25

3:10 am-3:40 pm

1 stop24h 30m

$1,058

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

sex 10/10

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

dom 10/19

9:10 pm-4:10 pm

1 stop31h 00m

$1,099

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Singapore?

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 $985. If you aren’t able to travel to Singapore during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,011.

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 $1,205 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 $1,002 on momondo.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Singapore flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Singapore flight.

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

As of September 2025, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 6% 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 22h 00m.
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 September 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 (39% of total bookings). The next most popular airlines are Qatar Airways (25%), United Airlines (16%), and Etihad Airways (4%).

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 2,930 reviews	Search Air India flights
Turkish Airlines	PriceFrom $816	Free Cancellation	Rating 7.3 3,968 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $833	Free Cancellation	Rating 7.4 1,250 reviews	Search Etihad Airways flights
Air Canada	PriceFrom $938	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
Korean Air	PriceFrom $944	Free Cancellation	Rating 8.4 1,139 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,624 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,024	Free Cancellation	Rating 7.2 2,913 reviews	Search JetBlue flights
United Airlines	PriceFrom $1,192	Free Cancellation	Rating 7.4 8,934 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,196	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines 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 $403

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

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

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

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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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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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Singapore?

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?

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Singapore flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Singapore flight.

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

As of September 2025, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 6% 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 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: 54% 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 $1,237.

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 20m.

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