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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from $419

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 8/13. 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

Air India Logo
12:50 pm - 9:45 pmIAD-SIN
44h 55m1 stop
Air India Logo
11:00 pm - 7:40 amSIN-IAD
44h 40m1 stop
$795Air India
Find Deal
Mon, Aug 25 - Mon, Sep 1
Air India Logo
12:50 pm - 7:15 amIAD-SIN
30h 25m1 stop
Air India Logo
11:00 pm - 7:40 amSIN-IAD
44h 40m1 stop
$808Air India
Find Deal
Wed, Aug 27 - Mon, Sep 8
Etihad Airways Logo
10:05 pm - 9:40 amIAD-SIN
23h 35m1 stop
Etihad Airways Logo
9:10 pm - 4:10 pmSIN-IAD
31h 00m1 stop
$834Etihad Airways
Find Deal
Thu, Sep 11 - Tue, Sep 30
Etihad Airways Logo
10:05 pm - 9:40 amIAD-SIN
23h 35m1 stop
Etihad Airways Logo
9:10 pm - 4:10 pmSIN-IAD
31h 00m1 stop
$845Etihad Airways
Find Deal
Fri, Aug 22 - Sun, Sep 7
Logo
10:05 pm - 9:40 amIAD-SIN
23h 35m1 stop
Logo
7:45 pm - 7:45 pmSIN-IAD
36h 00m2 stops
$864
Find Deal
Wed, Sep 10 - Thu, Sep 25
Logo
10:05 pm - 9:40 amIAD-SIN
23h 35m1 stop
Logo
11:25 pm - 7:30 pmSIN-IAD
32h 05m1 stop
$869
Find Deal
Wed, Sep 10 - Thu, Sep 25
IndiGo Logo
1:30 pm - 5:20 pmIAD-SIN
39h 50m2 stops
IndiGo Logo
7:45 pm - 7:45 pmSIN-IAD
36h 00m2 stops
$883IndiGo
Find Deal
Sun, Sep 7 - Tue, Sep 23
IndiGo Logo
9:40 pm - 5:45 pmIAD-SIN
32h 05m2 stops
IndiGo Logo
7:45 pm - 7:45 pmSIN-IAD
36h 00m2 stops
$884IndiGo
Find Deal
Fri, Sep 12 - Sun, Sep 21
Air Canada Logo
9:55 am - 7:00 amIAD-SIN
33h 05m2 stops
Air Canada Logo
8:50 am - 8:59 pmSIN-IAD
25h 09m2 stops
$903Air Canada
Find Deal
Wed, Oct 29 - Tue, Nov 11
Air Canada Logo
9:55 am - 7:00 amIAD-SIN
32h 05m2 stops
Air Canada Logo
8:50 am - 8:29 pmSIN-IAD
24h 39m2 stops
$910Air Canada
Find Deal
Wed, Nov 12 - Tue, Nov 18

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
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
$834
Find similar
Etihad Airways
Aug 22
IAD10:05 pmWashington, D.C. Dulles Intl
23h 35m
1 stop
SIN9:40 amSingapore Changi
Sep 7
SIN9:10 pmSingapore Changi
31h 00m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
$845
Find similar
Etihad Airways
Sep 7
IAD10:05 pmWashington, D.C. Dulles Intl
23h 35m
1 stop
SIN9:40 amSingapore Changi
Sep 23
SIN9:10 pmSingapore Changi
31h 00m
1 stop
IAD4:10 pmWashington, D.C. Dulles Intl
$850
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 7
IAD1:30 pmWashington, D.C. Dulles Intl
39h 50m
2 stops
SIN5:20 pmSingapore Changi
Sep 23
SIN7:45 pmSingapore Changi
36h 00m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
$883
Find similar
IndiGo
Sep 12
IAD9:40 pmWashington, D.C. Dulles Intl
32h 05m
2 stops
SIN5:45 pmSingapore Changi
Sep 21
SIN7:45 pmSingapore Changi
36h 00m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
$884
Find similar
IndiGo
Sep 11
IAD1:30 pmWashington, D.C. Dulles Intl
40h 15m
2 stops
SIN5:45 pmSingapore Changi
Sep 30
SIN7:45 pmSingapore Changi
36h 00m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
$904
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 July 31, 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

Mon 8/25

12:50 pm-9:45 pm

1 stop44h 55m

Singapore Changi

Mon 9/1

11:00 pm-7:40 am

1 stop44h 40m

$795

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 8/27

12:50 pm-7:15 am

1 stop30h 25m

Singapore Changi

Mon 9/8

11:00 pm-7:40 am

1 stop44h 40m

$808

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 9/11

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Tue 9/30

9:10 pm-4:10 pm

1 stop31h 00m

$834

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 8/22

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Sun 9/7

9:10 pm-4:10 pm

1 stop31h 00m

$845

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/10

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Thu 9/25

7:45 pm-7:45 pm

2 stops36h 00m

$864

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 9/10

10:05 pm-9:40 am

1 stop23h 35m

Singapore Changi

Thu 9/25

11:25 pm-7:30 pm

1 stop32h 05m

$869

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 9/7

1:30 pm-5:20 pm

2 stops39h 50m

Singapore Changi

Tue 9/23

7:45 pm-7:45 pm

2 stops36h 00m

$883

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 9/12

9:40 pm-5:45 pm

2 stops32h 05m

Singapore Changi

Sun 9/21

7:45 pm-7:45 pm

2 stops36h 00m

$884

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 10/29

9:55 am-7:00 am

2 stops33h 05m

Singapore Changi

Tue 11/11

8:50 am-8:59 pm

2 stops25h 09m

$903

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Wed 11/12

9:55 am-7:00 am

2 stops32h 05m

Singapore Changi

Tue 11/18

8:50 am-8:29 pm

2 stops24h 39m

$910

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 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 $1,029.

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 $1,195 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 $987 on momondo.

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

Best Price Found

$419

Fastest flight time

22h 35m

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 $419. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Singapore found on momondo in the last 72 hours is $795.
The fastest flight from Washington, D.C. Dulles Intl Airport to Singapore takes 22h 35m
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)
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
2,928 reviews
Search Air India flights
Turkish AirlinesPriceFrom $826Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights
Etihad AirwaysPriceFrom $828Free CancellationRating
7.4
1,230 reviews
Search Etihad Airways flights
United AirlinesPriceFrom $935Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Air CanadaPriceFrom $938Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
Korean AirPriceFrom $944Free CancellationRating
8.4
1,121 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $996Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,024Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $1,066Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Singapore AirlinesPriceFrom $1,097Free CancellationRating
8.1
1,338 reviews
Search Singapore 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.

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