Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from $432

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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Cheap round-trip flights

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Etihad Airways Logo
2:25 pm - 9:35 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 10m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 pm - 9:00 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 35m1 stop Abu Dhabi Zayed Intl
$1,168Etihad Airways
Fri, Jan 22 - Wed, Jan 27
Turkish Airlines Logo
9:20 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
22h 25m1 stop Istanbul
Turkish Airlines Logo
10:25 am - 7:25 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
46h 00m1 stop Istanbul
$1,168Turkish Airlines
Sun, Dec 6 - Thu, Dec 17
Turkish Airlines Logo
9:20 pm - 8:45 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
22h 25m1 stop Istanbul
Turkish Airlines Logo
11:15 pm - 11:45 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
25h 30m1 stop Istanbul
$1,168Turkish Airlines
Tue, Dec 8 - Tue, Dec 22
Etihad Airways Logo
2:25 pm - 9:35 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 10m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
7:25 pm - 9:00 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
26h 35m1 stop Abu Dhabi Zayed Intl
$1,170Etihad Airways
Tue, Nov 17 - Mon, Nov 23
Ethiopian Air Logo
8:50 pm - 2:50 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
29h 00m1 stop Addis Ababa Bole
Ethiopian Air Logo
2:00 am - 7:05 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
30h 05m1 stop Addis Ababa Bole
$1,172Ethiopian Air
Wed, Feb 3 - Sun, Feb 14
Korean Air Logo
10:05 am - 5:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 55m2 stops Atlanta Hartsfield-Jackson Incheon Intl
Korean Air Logo
10:00 pm - 11:15 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
25h 15m1 stop Incheon Intl
$1,173Korean Air
Wed, Apr 7 - Wed, Apr 21
Qatar Airways Logo
9:00 pm - 8:50 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
23h 50m1 stop Doha Hamad Intl
Qatar Airways Logo
3:15 am - 3:40 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
24h 25m1 stop Doha Hamad Intl
$1,178Qatar Airways
Fri, Apr 9 - Wed, Apr 14
Multiple Airlines Logo
2:25 pm - 9:35 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
30h 10m1 stop Abu Dhabi Zayed Intl
Multiple Airlines Logo
1:35 pm - 9:00 amSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
32h 25m2 stops Chiang Mai Abu Dhabi Zayed Intl
$1,183Multiple Airlines
Mon, Feb 8 - Mon, Mar 1
Korean Air Logo
11:50 am - 5:00 amIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
28h 10m1 stop Incheon Intl
Korean Air Logo
10:30 am - 9:25 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
47h 55m2 stops Incheon Intl Atlanta Hartsfield-Jackson
$1,196Korean Air
Mon, Feb 8 - Sun, Feb 21
Qatar Airways Logo
8:05 pm - 4:40 pmIAD  Washington, D.C. Dulles Intl-SIN Singapore Changi
31h 35m2 stops Doha Hamad Intl Kuala Lumpur Intl
Qatar Airways Logo
3:15 am - 3:55 pmSIN  Singapore Changi-IAD Washington, D.C. Dulles Intl
25h 40m1 stop Doha Hamad Intl
$1,199Qatar Airways
Mon, Nov 16 - Wed, Nov 25

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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 16
IAD8:05 pmWashington, D.C. Dulles Intl
31h 35m
2 stops
SIN4:40 pmSingapore Changi
Nov 25
SIN3:15 amSingapore Changi
25h 40m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,199
Qatar Airways
Nov 17
IAD8:05 pmWashington, D.C. Dulles Intl
29h 50m
1 stop
SIN2:55 pmSingapore Changi
Nov 23
SIN3:15 amSingapore Changi
25h 40m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,204
Qatar Airways
Nov 17
IAD8:05 pmWashington, D.C. Dulles Intl
23h 40m
1 stop
SIN8:45 amSingapore Changi
Nov 26
SIN8:15 pmSingapore Changi
32h 40m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,221

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
Nov 17
IAD2:25 pmWashington, D.C. Dulles Intl
30h 10m
1 stop
SIN9:35 amSingapore Changi
Nov 23
SIN7:25 pmSingapore Changi
26h 35m
1 stop
IAD9:00 amWashington, D.C. Dulles Intl
$1,170
Etihad Airways
Nov 24
IAD2:25 pmWashington, D.C. Dulles Intl
30h 10m
1 stop
SIN9:35 amSingapore Changi
Dec 19
SIN7:25 pmSingapore Changi
26h 35m
1 stop
IAD9:00 amWashington, D.C. Dulles Intl
$1,174
Etihad Airways
Nov 16
IAD2:25 pmWashington, D.C. Dulles Intl
30h 10m
1 stop
SIN9:35 amSingapore Changi
Nov 23
SIN7:25 pmSingapore Changi
26h 35m
1 stop
IAD9:00 amWashington, D.C. Dulles Intl
$1,184

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

Cheapest round-trip

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Fri 1/22

2:25 pm-9:35 am

1 stop30h 10m

Singapore Changi

Wed 1/27

7:25 pm-9:00 am

1 stop26h 35m

$1,168

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Sun 12/6

9:20 pm-8:45 am

1 stop22h 25m

Singapore Changi

Thu 12/17

10:25 am-7:25 pm

1 stop46h 00m

$1,168
Quickest round-trip

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Tue 12/8

9:20 pm-8:45 am

1 stop22h 25m

Singapore Changi

Tue 12/22

11:15 pm-11:45 am

1 stop25h 30m

$1,168

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Tue 11/17

2:25 pm-9:35 am

1 stop30h 10m

Singapore Changi

Mon 11/23

7:25 pm-9:00 am

1 stop26h 35m

$1,170

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 2/3

8:50 pm-2:50 pm

1 stop29h 00m

Singapore Changi

Sun 2/14

2:00 am-7:05 pm

1 stop30h 05m

$1,172

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Wed 4/7

10:05 am-5:00 am

2 stops30h 55m

Singapore Changi

Wed 4/21

10:00 pm-11:15 am

1 stop25h 15m

$1,173

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Fri 4/9

9:00 pm-8:50 am

1 stop23h 50m

Singapore Changi

Wed 4/14

3:15 am-3:40 pm

1 stop24h 25m

$1,178

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 2/8

2:25 pm-9:35 am

1 stop30h 10m

Singapore Changi

Mon 3/1

1:35 pm-9:00 am

2 stops32h 25m

$1,183

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 2/8

11:50 am-5:00 am

1 stop28h 10m

Singapore Changi

Sun 2/21

10:30 am-9:25 pm

2 stops47h 55m

$1,196

Washington, D.C.Singapore

IAD Washington, D.C. Dulles Intl - SIN Singapore Changi

IADSIN

Washington, D.C. Dulles Intl

Mon 11/16

8:05 pm-4:40 pm

2 stops31h 35m

Singapore Changi

Wed 11/25

3:15 am-3:55 pm

1 stop25h 40m

$1,199

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,174 to $1,319.
The lowest price recently found on this route was $1,168.

What is the cheapest month to fly to Singapore?

The month of February is, on average, the cheapest month to fly to Singapore from Washington, D.C. Dulles Intl Airport, with most prices found around $1,033. If you aren’t able to travel to Singapore during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,069.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport 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 $1,330 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 $968 on momondo.

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

You could potentially save up to 16% 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 November 2026, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 12% more expensive 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

$432

Fastest flight time

22h 25m

Direct flights

None
The best one-way flight to Singapore from Washington, D.C. Dulles Intl Airport in the past 72 hours is $432. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Singapore found on momondo in the last 72 hours is $1,168.
The fastest flight from Washington, D.C. Dulles Intl Airport to Singapore takes 22h 25m
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.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Singapore

  • 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 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?

  • 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
Etihad AirwaysPriceFrom $835Free CancellationRating
7.3
1,557 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $938Free CancellationRating
7.4
4,467 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $984Free CancellationRating
8.4
1,218 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,011Free CancellationRating
7.4
3,712 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $1,125Free CancellationRating
7.3
10,462 reviews
Search United Airlines flights
JetBluePriceFrom $1,314Free CancellationRating
7.1
3,065 reviews
Search JetBlue 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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