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

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.

$431 Cheap Flights from Washington, D.C. Dulles Intl Airport to Singapore in 2025

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

Round-trip

One-way

Last minute

Cheap round-trip flights

11:00 am - 9:45 pmIAD-SIN

22h 45m1 stop

8:30 pm - 7:40 amSIN-IAD

23h 10m1 stop

$780Air India

Find Deal

Wed, Sep 24 - Tue, Sep 30

11:00 am - 7:00 amIAD-SIN

31h 00m1 stop

8:20 am - 6:50 amSIN-IAD

35h 30m1 stop

$810Air India

Find Deal

Sun, Nov 16 - Sat, Nov 22

12:50 pm - 7:30 pmIAD-SIN

42h 40m1 stop

11:00 pm - 7:40 amSIN-IAD

44h 40m1 stop

$816Air India

Find Deal

Wed, Aug 27 - Mon, Sep 8

11:00 am - 7:15 amIAD-SIN

32h 15m1 stop

11:00 pm - 7:40 amSIN-IAD

44h 40m1 stop

$818Air India

Find Deal

Wed, Sep 17 - Wed, Oct 1

1:30 pm - 5:00 amIAD-SIN

27h 30m1 stop

10:30 pm - 7:43 pmSIN-IAD

33h 13m2 stops

$966Korean Air

Find Deal

Wed, Aug 27 - Sun, Sep 7

1:15 pm - 11:40 pmIAD-SIN

22h 25m1 stop

1:10 am - 10:55 amSIN-IAD

21h 45m1 stop

$969Korean Air

Find Deal

Mon, Sep 1 - Tue, Sep 9

9:55 am - 7:55 amIAD-SIN

33h 00m2 stops

10:00 am - 8:59 pmSIN-IAD

23h 59m2 stops

$1,029Air Canada

Find Deal

Wed, Nov 26 - Sat, Dec 6

9:40 pm - 8:30 amIAD-SIN

22h 50m1 stop

11:10 pm - 7:45 pmSIN-IAD

32h 35m1 stop

$1,037Turkish Airlines

Find Deal

Thu, Sep 11 - Tue, Sep 30

9:00 pm - 3:45 pmIAD-SIN

30h 45m1 stop

3:35 pm - 3:40 pmSIN-IAD

36h 05m2 stops

$1,043Qatar Airways

Find Deal

Sun, Oct 19 - Wed, Oct 22

9:35 am - 7:05 amIAD-SIN

33h 30m2 stops

9:10 am - 9:38 amSIN-IAD

36h 28m2 stops

$1,046Air Canada

Find Deal

Thu, Sep 11 - Tue, Sep 30

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

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

Etihad Airways

Oct 17

IAD10:05 pmWashington, D.C. Dulles Intl

23h 35m

1 stop

SIN9:40 amSingapore Changi

Oct 29

SIN8:40 pmSingapore Changi

32h 25m

1 stop

IAD5:05 pmWashington, D.C. Dulles Intl

$841

Find similar

Etihad Airways

Sep 11

IAD10:05 pmWashington, D.C. Dulles Intl

23h 35m

1 stop

SIN9:40 amSingapore Changi

Sep 30

SIN9:10 pmSingapore Changi

31h 00m

1 stop

IAD4:10 pmWashington, D.C. Dulles Intl

$864

Find similar

Etihad Airways

Sep 11

IAD10:05 pmWashington, D.C. Dulles Intl

23h 35m

1 stop

SIN9:40 amSingapore Changi

Sep 30

SIN9:10 pmSingapore Changi

31h 00m

1 stop

IAD4:10 pmWashington, D.C. Dulles Intl

$865

Find similar

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

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

IndiGo

Sep 25

IAD1:30 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SIN5:20 pmSingapore Changi

Sep 27

SIN7:45 pmSingapore Changi

36h 00m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$893

Find similar

IndiGo

Sep 11

IAD1:30 pmWashington, D.C. Dulles Intl

39h 50m

2 stops

SIN5:20 pmSingapore Changi

Sep 18

SIN7:45 pmSingapore Changi

36h 00m

2 stops

IAD7:45 pmWashington, D.C. Dulles Intl

$945

Find similar

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

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 March is also cheap. Prices for this month can be found on momondo for an average of $1,027.

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 $1,213 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 $1,050 on momondo.

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

You could potentially save up to 1% 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 July 2025, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 37% 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

Best Price Found	$431
Fastest flight time	21h 45m
Direct flights	None
Airports in Singapore	1 airport

The best one-way flight to Singapore from Washington, D.C. Dulles Intl Airport in the past 72 hours is $431. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Singapore found on momondo in the last 72 hours is $780.

The fastest flight from Washington, D.C. Dulles Intl Airport to Singapore takes 21h 45m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Singapore. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Singapore Changi Airport.

There is 1 airport near Singapore: Singapore Changi (SIN)

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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 21h 45m.
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 11 operators available for flights from Washington, D.C. Dulles Intl Airport to Singapore Changi Airport as of July 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 (23%), United Airlines (17%), and JetBlue (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 2,924 reviews	Search Air India flights
Turkish Airlines	PriceFrom $828	Free Cancellation	Rating 7.3 3,896 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $884	Free Cancellation	Rating 7.4 1,222 reviews	Search Etihad Airways flights
United Airlines	PriceFrom $935	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
Air Canada	PriceFrom $938	Free Cancellation	Rating 7.1 9,692 reviews	Search Air Canada flights
Korean Air	PriceFrom $991	Free Cancellation	Rating 8.4 1,105 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $996	Free Cancellation	Rating 7.4 3,596 reviews	Search Qatar Airways flights
JetBlue	PriceFrom $1,024	Free Cancellation	Rating 7.3 2,910 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $1,066	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Singapore Airlines	PriceFrom $1,097	Free Cancellation	Rating 8.1 1,324 reviews	Search Singapore 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 $431

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

Cheap round-trip flights

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

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

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

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

See travel insights to Singapore from

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?

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

You could potentially save up to 1% 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 July 2025, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 37% 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, Air India, and Turkish Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Singapore Changi

What airlines fly to Singapore?

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

Best Price Found

Fastest flight time

Direct flights

Airports in Singapore

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