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Cheap flights from Washington, D.C. Dulles Intl Airport to Singapore from $474

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 8/14. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Singapore.
Air India Logo
11:00 am - 7:30 amIAD-SIN
32h 30m1 stop
Air India Logo
9:00 am - 7:40 amSIN-IAD
34h 40m1 stop
$763Air India
Find Deal
dom, set 21 - sex, set 26
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
$868Etihad Airways
Find Deal
qua, mai 7 - sáb, mai 24
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
$874Etihad Airways
Find Deal
qua, mai 7 - sáb, mai 24
Turkish Airlines Logo
1:30 pm - 8:45 amIAD-SIN
31h 15m1 stop
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
$913Turkish Airlines
Find Deal
qua, abr 30 - sex, mai 9
Turkish Airlines Logo
9:40 pm - 5:55 pmIAD-SIN
32h 15m1 stop
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
$931Turkish Airlines
Find Deal
dom, mai 4 - sex, mai 9
Qatar Airways Logo
9:00 pm - 12:55 pmIAD-SIN
27h 55m2 stops
Qatar Airways Logo
6:45 pm - 8:40 amSIN-IAD
25h 55m1 stop
$1,096Qatar Airways
Find Deal
seg, abr 28 - seg, mai 12
Qatar Airways Logo
11:00 am - 12:10 amIAD-SIN
25h 10m2 stops
Qatar Airways Logo
3:10 am - 8:40 amSIN-IAD
41h 30m1 stop
$1,099Qatar Airways
Find Deal
dom, mai 4 - sáb, mai 10
JetBlue Logo
11:00 am - 9:00 pmIAD-SIN
22h 00m1 stop
JetBlue Logo
3:10 am - 3:40 pmSIN-IAD
24h 30m1 stop
$1,104JetBlue
Find Deal
sex, out 3 - sáb, out 11
United Airlines Logo
5:53 pm - 6:15 amIAD-SIN
24h 22m1 stop
United Airlines Logo
8:40 pm - 8:08 amSIN-IAD
23h 28m1 stop
$1,194United Airlines
Find Deal
qui, ago 14 - qui, ago 28
United Airlines Logo
7:59 pm - 6:25 pmIAD-SIN
34h 26m2 stops
United Airlines Logo
9:00 am - 8:57 pmSIN-IAD
23h 57m2 stops
$1,248United Airlines
Find Deal
sex, mai 2 - qui, mai 8

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Singapore flight tickets
Air Canada
Oct 4
IAD5:10 pmWashington, D.C. Dulles Intl
49h 55m
2 stops
SIN7:05 amSingapore Changi
Oct 12
SIN9:10 amSingapore Changi
36h 29m
2 stops
IAD9:39 amWashington, D.C. Dulles Intl
Air Canada
Oct 4
IAD5:10 pmWashington, D.C. Dulles Intl
49h 55m
2 stops
SIN7:05 amSingapore Changi
Oct 11
SIN9:10 amSingapore Changi
36h 29m
2 stops
IAD9:39 amWashington, D.C. Dulles Intl
Air Canada
Sep 1
IAD1:00 pmWashington, D.C. Dulles Intl
54h 05m
2 stops
SIN7:05 amSingapore Changi
Sep 10
SIN11:55 pmSingapore Changi
33h 10m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl

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
Aug 16
IAD5:35 pmWashington, D.C. Dulles Intl
30h 10m
2 stops
SIN11:45 amSingapore Changi
Aug 29
SIN8:05 pmSingapore Changi
50h 40m
2 stops
IAD10:45 amWashington, D.C. Dulles Intl
Cathay Pacific
May 4
IAD7:00 amWashington, D.C. Dulles Intl
29h 50m
2 stops
SIN12:50 amSingapore Changi
May 9
SIN12:45 pmSingapore Changi
28h 55m
2 stops
IAD5:40 amWashington, D.C. Dulles Intl
Cathay Pacific
Apr 28
IAD5:13 pmWashington, D.C. Dulles Intl
30h 32m
2 stops
SIN11:45 amSingapore Changi
May 12
SIN9:45 amSingapore Changi
42h 32m
2 stops
IAD4:17 pmWashington, D.C. Dulles Intl

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 $990. 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 $1,015.

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 Wednesday when prices can be found for as low as $1,184. The most expensive day to fly to Singapore is Saturday, with ticket prices averaging around $1,370.

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 $1,137. 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 $1,511 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 19 weeks ahead of your departure date. In general, you can expect to find flights to Singapore for around $1,245 when searching 19 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 $1,046 on momondo.

How have Washington, D.C. Dulles Intl Airport to Singapore flight prices changed over time?

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to Singapore flights are approximately 4% 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

$474

Fastest flight time

22h 00m

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 $474. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Singapore found on momondo in the last 72 hours is $763.
The fastest flight from Washington, D.C. Dulles Intl Airport to Singapore takes 22h 00m
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)

  • 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 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
Turkish AirlinesPriceFrom $830Free CancellationRating
7.3
3,767 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $935Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
Qatar AirwaysPriceFrom $1,014Free CancellationRating
7.4
3,554 reviews
Search Qatar Airways flights
DeltaPriceFrom $1,015Free CancellationRating
8.0
7,916 reviews
Search Delta flights
Korean AirPriceFrom $1,037Free CancellationRating
8.4
1,064 reviews
Search Korean Air flights
JetBluePriceFrom $1,043Free CancellationRating
7.3
2,926 reviews
Search JetBlue flights
American AirlinesPriceFrom $1,124Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Singapore AirlinesPriceFrom $1,287Free CancellationRating
8.1
1,288 reviews
Search Singapore Airlines flights
ANAPriceFrom $1,581Free CancellationRating
8.3
844 reviews
Search ANA 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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