Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from $497

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 2/10. 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.
Search flight deals

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.
Multiple Airlines Logo
9:15 pm - 5:35 pm
IAD
-
SIN
31h 20m1 stop
Multiple Airlines Logo
1:35 pm - 9:05 am
SIN
-
IAD
32h 30m2 stops
$1,182Multiple Airlines
Sun, Jan 11 - Thu, Feb 19
Multiple Airlines Logo
2:35 pm - 10:15 am
IAD
-
SIN
30h 40m2 stops
Multiple Airlines Logo
7:25 pm - 9:05 am
SIN
-
IAD
26h 40m1 stop
$1,183Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
2:35 pm - 5:10 am
IAD
-
SIN
25h 35m2 stops
Multiple Airlines Logo
7:25 pm - 9:05 am
SIN
-
IAD
26h 40m1 stop
$1,184Multiple Airlines
Mon, Jan 26 - Fri, Feb 6
Multiple Airlines Logo
2:35 pm - 10:15 am
IAD
-
SIN
30h 40m2 stops
Multiple Airlines Logo
7:25 pm - 10:05 am
SIN
-
IAD
26h 40m1 stop
$1,185Multiple Airlines
Sat, Mar 7 - Tue, Mar 24
Japan Airlines Logo
6:04 pm - 12:50 am
IAD
-
SIN
41h 46m2 stops
Japan Airlines Logo
8:15 am - 4:26 pm
SIN
-
IAD
45h 11m2 stops
$1,186Japan Airlines
Sun, Jan 11 - Wed, Jan 21
United Airlines Logo
8:29 am - 12:55 am
IAD
-
SIN
27h 26m2 stops
United Airlines Logo
10:10 am - 8:54 pm
SIN
-
IAD
23h 44m1 stop
$1,187United Airlines
Thu, Jan 8 - Fri, Jan 16
Delta Logo
7:30 am - 5:00 am
IAD
-
SIN
32h 30m2 stops
Delta Logo
10:40 am - 11:49 pm
SIN
-
IAD
25h 09m2 stops
$1,188Delta
Sat, Mar 7 - Mon, Mar 23
United Airlines Logo
10:32 pm - 8:15 pm
IAD
-
SIN
32h 43m2 stops
United Airlines Logo
10:45 am - 5:24 am
SIN
-
IAD
31h 39m2 stops
$1,189United Airlines
Fri, Jan 9 - Sun, Jan 18
Multiple Airlines Logo
3:35 pm - 9:15 am
IAD
-
SIN
29h 40m1 stop
Multiple Airlines Logo
9:00 am - 9:45 am
SIN
-
IAD
36h 45m2 stops
$1,191Multiple Airlines
Thu, Apr 2 - Sun, Apr 12
Multiple Airlines Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m1 stop
Multiple Airlines Logo
1:35 pm - 9:05 am
SIN
-
IAD
32h 30m2 stops
$1,192Multiple Airlines
Sat, Jan 17 - Wed, Feb 18

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Singapore flight tickets
United Airlines
Jan 8
IAD8:29 amWashington, D.C. Dulles Intl
27h 26m
2 stops
SIN12:55 amSingapore Changi
Jan 16
SIN10:10 amSingapore Changi
23h 44m
1 stop
IAD8:54 pmWashington, D.C. Dulles Intl
$1,187
Find similar
United Airlines
Jan 9
IAD10:32 pmWashington, D.C. Dulles Intl
32h 43m
2 stops
SIN8:15 pmSingapore Changi
Jan 18
SIN10:45 amSingapore Changi
31h 39m
2 stops
IAD5:24 amWashington, D.C. Dulles Intl
$1,189
Find similar
United Airlines
Jan 9
IAD10:20 pmWashington, D.C. Dulles Intl
32h 55m
1 stop
SIN8:15 pmSingapore Changi
Jan 16
SIN10:10 amSingapore Changi
22h 25m
1 stop
IAD7:35 pmWashington, D.C. Dulles Intl
$1,225
Find similar

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Singapore flight tickets
Delta
Mar 7
IAD7:30 amWashington, D.C. Dulles Intl
27h 40m
2 stops
SIN12:10 amSingapore Changi
Mar 25
SIN1:35 amSingapore Changi
34h 14m
2 stops
IAD11:49 pmWashington, D.C. Dulles Intl
$1,188
Find similar
Delta
Jan 14
IAD7:30 amWashington, D.C. Dulles Intl
27h 40m
2 stops
SIN12:10 amSingapore Changi
Feb 18
SIN1:35 amSingapore Changi
35h 49m
2 stops
IAD12:24 amWashington, D.C. Dulles Intl
$1,238
Find similar
Delta
Dec 27
IAD6:00 amWashington, D.C. Dulles Intl
34h 00m
2 stops
SIN5:00 amSingapore Changi
Jan 10
SIN1:35 amSingapore Changi
34h 35m
2 stops
IAD11:10 pmWashington, D.C. Dulles Intl
$1,942
Find similar

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 December 15, 2025.
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 1/11

9:15 pm-5:35 pm

1 stop31h 20m

Singapore Changi

Thu 2/19

1:35 pm-9:05 am

2 stops32h 30m

$1,182

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/30

2:35 pm-10:15 am

2 stops30h 40m

Singapore Changi

Fri 2/6

7:25 pm-9:05 am

1 stop26h 40m

$1,183

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 1/26

2:35 pm-5:10 am

2 stops25h 35m

Singapore Changi

Fri 2/6

7:25 pm-9:05 am

1 stop26h 40m

$1,184

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/7

2:35 pm-10:15 am

2 stops30h 40m

Singapore Changi

Tue 3/24

7:25 pm-10:05 am

1 stop26h 40m

$1,185

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 1/11

6:04 pm-12:50 am

2 stops41h 46m

Singapore Changi

Wed 1/21

8:15 am-4:26 pm

2 stops45h 11m

$1,186

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 1/8

8:29 am-12:55 am

2 stops27h 26m

Singapore Changi

Fri 1/16

10:10 am-8:54 pm

1 stop23h 44m

$1,187

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 3/7

7:30 am-5:00 am

2 stops32h 30m

Singapore Changi

Mon 3/23

10:40 am-11:49 pm

2 stops25h 09m

$1,188

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 1/9

10:32 pm-8:15 pm

2 stops32h 43m

Singapore Changi

Sun 1/18

10:45 am-5:24 am

2 stops31h 39m

$1,189

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 4/2

3:35 pm-9:15 am

1 stop29h 40m

Singapore Changi

Sun 4/12

9:00 am-9:45 am

2 stops36h 45m

$1,191

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 1/17

2:35 pm-9:35 am

1 stop30h 00m

Singapore Changi

Wed 2/18

1:35 pm-9:05 am

2 stops32h 30m

$1,192

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 $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 $1,045.

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 Friday when prices can be found for as low as $1,136. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,496.

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 $1,135. 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 $1,510 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 $1,240 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 $1,141 on momondo.

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

You could potentially save up to 6% 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

22h 15m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Singapore takes 22h 15m
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

  • 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
Air IndiaPriceFrom $807Free CancellationRating
5.5
2,950 reviews
Search Air India flights
Etihad AirwaysPriceFrom $833Free CancellationRating
7.4
1,332 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $856Free CancellationRating
7.3
4,100 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $944Free CancellationRating
8.4
1,186 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,023Free CancellationRating
7.4
3,683 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,066Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
United AirlinesPriceFrom $1,174Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,196Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
ANAPriceFrom $1,499Free CancellationRating
8.4
1,023 reviews
Search ANA 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 1/14
Wed 1/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Singapore

Popular cities in Singapore

Popular flights according to clicks in the last 7 days on momondo
Flights to Singaporefrom $570