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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from $416

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Singapore departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Singapore

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
3:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
7:25 pm - 10:05 am
SIN
-
IAD
26h 40m
1 stop
$848Etihad Airways
Sun, Mar 8 - Mon, Mar 16
Etihad Airways Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
7:25 pm - 10:05 am
SIN
-
IAD
26h 40m
1 stop
$850Etihad Airways
Mon, Mar 2 - Mon, Mar 9
Etihad Airways Logo
3:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
9:00 pm - 9:45 am
SIN
-
IAD
24h 45m
1 stop
$857Etihad Airways
Tue, Mar 17 - Wed, Apr 1
Turkish Airlines Logo
9:45 pm - 5:55 pm
IAD
-
SIN
32h 10m
1 stop
Turkish Airlines Logo
5:25 am - 11:35 am
SIN
-
IAD
42h 10m
1 stop
$882Turkish Airlines
Sun, Apr 12 - Thu, Apr 16
Turkish Airlines Logo
9:15 pm - 5:35 pm
IAD
-
SIN
31h 20m
1 stop
Turkish Airlines Logo
5:15 am - 7:20 pm
SIN
-
IAD
27h 05m
1 stop
$883Turkish Airlines
Wed, Feb 18 - Thu, Mar 5
Etihad Airways Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
7:25 pm - 10:05 am
SIN
-
IAD
26h 40m
1 stop
$887Etihad Airways
Wed, Mar 4 - Sat, Mar 14
Etihad Airways Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
7:25 pm - 9:05 am
SIN
-
IAD
26h 40m
1 stop
$888Etihad Airways
Mon, Feb 16 - Mon, Mar 2
Etihad Airways Logo
3:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
7:25 pm - 10:05 am
SIN
-
IAD
26h 40m
1 stop
$889Etihad Airways
Wed, Mar 11 - Wed, Mar 18
Etihad Airways Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
7:25 pm - 9:05 am
SIN
-
IAD
26h 40m
1 stop
$894Etihad Airways
Tue, Feb 17 - Wed, Feb 25
Etihad Airways Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m
1 stop
Etihad Airways Logo
7:25 pm - 9:05 am
SIN
-
IAD
26h 40m
1 stop
$903Etihad Airways
Tue, Feb 17 - Wed, Feb 25

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
Apr 12
IAD9:45 pmWashington, D.C. Dulles Intl
32h 10m
1 stop
SIN5:55 pmSingapore Changi
Apr 16
SIN5:25 amSingapore Changi
42h 10m
1 stop
IAD11:35 amWashington, D.C. Dulles Intl
$882
Turkish Airlines
Feb 18
IAD9:15 pmWashington, D.C. Dulles Intl
31h 20m
1 stop
SIN5:35 pmSingapore Changi
Mar 5
SIN5:15 amSingapore Changi
27h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$883
Turkish Airlines
Feb 10
IAD9:15 pmWashington, D.C. Dulles Intl
31h 20m
1 stop
SIN5:35 pmSingapore Changi
Feb 17
SIN10:15 amSingapore Changi
46h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$894

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
Feb 10
IAD1:30 pmWashington, D.C. Dulles Intl
38h 50m
2 stops
SIN5:20 pmSingapore Changi
Feb 18
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$947
IndiGo
Feb 15
IAD9:15 pmWashington, D.C. Dulles Intl
48h 00m
2 stops
SIN10:15 amSingapore Changi
Feb 22
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$1,000
IndiGo
Feb 7
IAD9:15 pmWashington, D.C. Dulles Intl
48h 00m
2 stops
SIN10:15 amSingapore Changi
Feb 21
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$1,064

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Singapore that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
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

Sun 3/8

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Mon 3/16

7:25 pm-10:05 am

1 stop26h 40m

$848

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/2

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Mon 3/9

7:25 pm-10:05 am

1 stop26h 40m

$850

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/17

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 4/1

9:00 pm-9:45 am

1 stop24h 45m

$857

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

9:45 pm-5:55 pm

1 stop32h 10m

Singapore Changi

Thu 4/16

5:25 am-11:35 am

1 stop42h 10m

$882

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 2/18

9:15 pm-5:35 pm

1 stop31h 20m

Singapore Changi

Thu 3/5

5:15 am-7:20 pm

1 stop27h 05m

$883

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 3/4

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Sat 3/14

7:25 pm-10:05 am

1 stop26h 40m

$887

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 2/16

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Mon 3/2

7:25 pm-9:05 am

1 stop26h 40m

$888

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 3/11

3:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 3/18

7:25 pm-10:05 am

1 stop26h 40m

$889

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 2/17

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 2/25

7:25 pm-9:05 am

1 stop26h 40m

$894

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 2/17

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 2/25

7:25 pm-9:05 am

1 stop26h 40m

$903

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 October is, on average, the cheapest month to fly to Singapore from Washington, D.C. Dulles Intl Airport, with most prices found around $990. If you aren’t able to travel to Singapore during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,021.

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 $1,251 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 $1,076 on momondo.

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

You could potentially save up to 3% 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 February 2026, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 5% 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

Fastest flight time

23h 00m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Singapore takes 23h 00m
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.
Search flight deals

  • 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 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?

  • 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?

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
Korean AirPriceFrom $743Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
Air IndiaPriceFrom $807Free CancellationRating
5.5
2,972 reviews
Search Air India flights
Etihad AirwaysPriceFrom $833Free CancellationRating
7.3
1,380 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $895Free CancellationRating
7.3
4,210 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,021Free CancellationRating
7.4
3,731 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,066Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights
ANAPriceFrom $1,161Free CancellationRating
8.4
1,086 reviews
Search ANA flights
United AirlinesPriceFrom $1,174Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,196Free CancellationRating
7.2
11,230 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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Qatar Airways
United Airlines
JetBlue
Etihad Airways
Air India
Korean Air
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