Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from $406

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 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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
2:35 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
$881Etihad Airways
Fri, Mar 6 - Thu, Apr 30
Turkish Airlines Logo
9:15 pm - 8:45 am
IAD
-
SIN
22h 30m
1 stop
Turkish Airlines Logo
11:40 am - 12:45 pm
SIN
-
IAD
37h 05m
1 stop
$882Turkish Airlines
Wed, Mar 4 - Wed, Mar 11
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
$894Etihad Airways
Sun, Feb 22 - Mon, Mar 9
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
$897Etihad Airways
Tue, Mar 3 - Wed, Mar 11
Turkish Airlines Logo
10:15 pm - 8:35 am
IAD
-
SIN
22h 20m
1 stop
Turkish Airlines Logo
10:25 am - 7:50 pm
SIN
-
IAD
45h 25m
1 stop
$919Turkish Airlines
Tue, Mar 24 - Fri, May 8
Multiple Airlines Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
Multiple Airlines Logo
9:00 pm - 2:47 pm
SIN
-
IAD
29h 47m
2 stops
$930Multiple Airlines
Sun, Apr 12 - Tue, May 5
Turkish Airlines Logo
2:30 pm - 5:35 pm
IAD
-
SIN
39h 05m
1 stop
Turkish Airlines Logo
10:15 am - 12:45 pm
SIN
-
IAD
38h 30m
1 stop
$931Turkish Airlines
Fri, Mar 13 - Tue, Mar 17
Turkish Airlines Logo
10:15 pm - 5:35 pm
IAD
-
SIN
31h 20m
1 stop
Turkish Airlines Logo
11:10 am - 11:35 am
SIN
-
IAD
36h 25m
1 stop
$932Turkish Airlines
Mon, Mar 23 - Mon, Mar 30
Etihad Airways Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
Etihad Airways Logo
9:00 pm - 9:45 am
SIN
-
IAD
24h 45m
1 stop
$934Etihad Airways
Thu, Apr 16 - Sat, May 2
Turkish Airlines Logo
10:15 pm - 5:35 pm
IAD
-
SIN
31h 20m
1 stop
Turkish Airlines Logo
10:15 am - 8:20 pm
SIN
-
IAD
46h 05m
1 stop
$950Turkish Airlines
Sun, Mar 8 - Sun, Mar 15

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

Our best Cathay Pacific deals on Washington, D.C. Dulles Intl Airport to Singapore flight tickets
Cathay Pacific
Apr 8
IAD5:59 pmWashington, D.C. Dulles Intl
33h 06m
2 stops
SIN3:05 pmSingapore Changi
Apr 15
SIN9:45 amSingapore Changi
25h 41m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
$992
Cathay Pacific
Apr 14
IAD5:59 pmWashington, D.C. Dulles Intl
29h 46m
2 stops
SIN11:45 amSingapore Changi
May 5
SIN8:05 pmSingapore Changi
39h 21m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
$995
Cathay Pacific
Apr 25
IAD5:59 pmWashington, D.C. Dulles Intl
29h 46m
2 stops
SIN11:45 amSingapore Changi
May 12
SIN8:05 pmSingapore Changi
39h 21m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
$1,045

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 15
IAD1:30 pmWashington, D.C. Dulles Intl
38h 50m
2 stops
SIN5:20 pmSingapore Changi
Feb 23
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$985
IndiGo
Feb 15
IAD9:15 pmWashington, D.C. Dulles Intl
31h 05m
2 stops
SIN5:20 pmSingapore Changi
Feb 22
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$993
IndiGo
Feb 22
IAD1:30 pmWashington, D.C. Dulles Intl
38h 50m
2 stops
SIN5:20 pmSingapore Changi
Feb 25
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$994

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 9, 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

Fri 3/6

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Thu 4/30

9:00 pm-9:45 am

1 stop24h 45m

$881

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 3/4

9:15 pm-8:45 am

1 stop22h 30m

Singapore Changi

Wed 3/11

11:40 am-12:45 pm

1 stop37h 05m

$882

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 2/22

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Mon 3/9

7:25 pm-10:05 am

1 stop26h 40m

$894

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/3

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 3/11

7:25 pm-10:05 am

1 stop26h 40m

$897

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/24

10:15 pm-8:35 am

1 stop22h 20m

Singapore Changi

Fri 5/8

10:25 am-7:50 pm

1 stop45h 25m

$919

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 4/12

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Tue 5/5

9:00 pm-2:47 pm

2 stops29h 47m

$930

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 3/13

2:30 pm-5:35 pm

1 stop39h 05m

Singapore Changi

Tue 3/17

10:15 am-12:45 pm

1 stop38h 30m

$931

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/23

10:15 pm-5:35 pm

1 stop31h 20m

Singapore Changi

Mon 3/30

11:10 am-11:35 am

1 stop36h 25m

$932

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 4/16

3:10 pm-9:40 am

1 stop30h 30m

Singapore Changi

Sat 5/2

9:00 pm-9:45 am

1 stop24h 45m

$934

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 3/8

10:15 pm-5:35 pm

1 stop31h 20m

Singapore Changi

Sun 3/15

10:15 am-8:20 pm

1 stop46h 05m

$950

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 $1,001. 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 $1,051.

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 $1,269 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 $1,073 on momondo.

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

You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Singapore flight.

Cheap Washington, D.C. Dulles Intl Airport to Singapore 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

21h 35m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Singapore takes 21h 35m
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.
  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Singapore?

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

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

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

    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.

  • What documentation or ID do you need to fly to Singapore?

    The travel and health documents required for your trip to Singapore 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
1,191 reviews
Search Korean Air flights
Air IndiaPriceFrom $807Free CancellationRating
5.5
2,967 reviews
Search Air India flights
Etihad AirwaysPriceFrom $833Free CancellationRating
7.3
1,391 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $898Free CancellationRating
7.3
4,210 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,031Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,066Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
ANAPriceFrom $1,161Free CancellationRating
8.4
1,092 reviews
Search ANA flights
United AirlinesPriceFrom $1,174Free CancellationRating
7.4
9,264 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,196Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Singapore from Washington, D.C..

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

Yes. momondo allows you to filter the results for Washington, D.C. to Singapore flights to just show those with flexible booking policies.

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

Once all potential Washington, D.C. to Singapore flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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 simply researching potential flights to Singapore, momondo offers a useful price alert feature which will track prices for flights to Singapore from Washington, D.C. and alert you when they 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.
1 adult
Wed 3/11
Wed 3/18

Find better results for your trip to Singapore

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo