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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 3/1. 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

Enter your travel dates to find the best prices.
IndiGo Logo
9:15 pm - 10:15 amIAD-SIN
48h 00m2 stops
IndiGo Logo
11:15 am - 7:20 pmSIN-IAD
45h 05m2 stops
$1,125IndiGo
Find Deal
Mon, Dec 1 - Fri, Dec 19
Qatar Airways Logo
10:40 am - 9:15 pmIAD-SIN
21h 35m1 stop
Qatar Airways Logo
8:15 pm - 3:55 pmSIN-IAD
32h 40m1 stop
$1,127Qatar Airways
Find Deal
Fri, Nov 14 - Sun, Nov 16
Qatar Airways Logo
8:05 pm - 8:45 amIAD-SIN
23h 40m1 stop
Qatar Airways Logo
3:15 am - 3:55 pmSIN-IAD
25h 40m1 stop
$1,128Qatar Airways
Find Deal
Thu, Jan 15 - Sat, Feb 14
United Airlines Logo
6:03 pm - 8:00 amIAD-SIN
25h 57m1 stop
United Airlines Logo
9:00 am - 10:36 pmSIN-IAD
25h 36m2 stops
$1,129United Airlines
Find Deal
Mon, Mar 23 - Thu, Apr 9
Multiple Airlines Logo
2:35 pm - 12:25 pmIAD-SIN
32h 50m3 stops
Multiple Airlines Logo
2:30 am - 8:54 pmSIN-IAD
31h 24m3 stops
$1,132Multiple Airlines
Find Deal
Sat, Jan 31 - Mon, Feb 9
United Airlines Logo
7:45 pm - 8:15 pmIAD-SIN
35h 30m1 stop
United Airlines Logo
10:45 am - 7:14 amSIN-IAD
33h 29m2 stops
$1,134United Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
1:30 pm - 5:20 pmIAD-SIN
38h 50m2 stops
Multiple Airlines Logo
4:35 pm - 3:30 pmSIN-IAD
35h 55m3 stops
$1,136Multiple Airlines
Find Deal
Tue, Nov 18 - Wed, Dec 3
Korean Air Logo
12:50 pm - 5:00 amIAD-SIN
28h 10m1 stop
Korean Air Logo
10:30 pm - 12:07 amSIN-IAD
37h 37m2 stops
$1,138Korean Air
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Tue, Mar 24 - Wed, Apr 8
Turkish Airlines Logo
1:30 pm - 8:45 amIAD-SIN
30h 15m1 stop
Turkish Airlines Logo
10:25 am - 11:45 amSIN-IAD
38h 20m1 stop
$1,160Turkish Airlines
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Fri, Dec 5 - Sat, Dec 20
Turkish Airlines Logo
1:30 pm - 8:45 amIAD-SIN
30h 15m1 stop
Turkish Airlines Logo
10:25 am - 11:45 amSIN-IAD
38h 20m1 stop
$1,166Turkish Airlines
Find Deal
Tue, Dec 30 - Thu, Jan 15

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
Dec 1
IAD9:15 pmWashington, D.C. Dulles Intl
48h 00m
2 stops
SIN10:15 amSingapore Changi
Dec 19
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$1,125
Find similar
IndiGo
Nov 8
IAD9:15 pmWashington, D.C. Dulles Intl
31h 05m
2 stops
SIN5:20 pmSingapore Changi
Nov 22
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
$1,134
Find similar
IndiGo
Mar 29
IAD9:40 pmWashington, D.C. Dulles Intl
31h 40m
2 stops
SIN5:20 pmSingapore Changi
Apr 19
SIN7:45 pmSingapore Changi
36h 00m
2 stops
IAD7:45 pmWashington, D.C. Dulles Intl
$1,143
Find similar

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 14
IAD10:40 amWashington, D.C. Dulles Intl
21h 35m
1 stop
SIN9:15 pmSingapore Changi
Nov 16
SIN8:15 pmSingapore Changi
32h 40m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,127
Find similar
Qatar Airways
Jan 15
IAD8:05 pmWashington, D.C. Dulles Intl
23h 40m
1 stop
SIN8:45 amSingapore Changi
Feb 14
SIN3:15 amSingapore Changi
25h 40m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,128
Find similar
Qatar Airways
Feb 20
IAD10:40 amWashington, D.C. Dulles Intl
21h 35m
1 stop
SIN9:15 pmSingapore Changi
Feb 28
SIN3:15 amSingapore Changi
25h 40m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
$1,130
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 November 4, 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 12/1

9:15 pm-10:15 am

2 stops48h 00m

Singapore Changi

Fri 12/19

11:15 am-7:20 pm

2 stops45h 05m

$1,125

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 11/14

10:40 am-9:15 pm

1 stop21h 35m

Singapore Changi

Sun 11/16

8:15 pm-3:55 pm

1 stop32h 40m

$1,127

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Thu 1/15

8:05 pm-8:45 am

1 stop23h 40m

Singapore Changi

Sat 2/14

3:15 am-3:55 pm

1 stop25h 40m

$1,128

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Mon 3/23

6:03 pm-8:00 am

1 stop25h 57m

Singapore Changi

Thu 4/9

9:00 am-10:36 pm

2 stops25h 36m

$1,129

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sat 1/31

2:35 pm-12:25 pm

3 stops32h 50m

Singapore Changi

Mon 2/9

2:30 am-8:54 pm

3 stops31h 24m

$1,132

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Sun 1/11

7:45 pm-8:15 pm

1 stop35h 30m

Singapore Changi

Sun 1/18

10:45 am-7:14 am

2 stops33h 29m

$1,134

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 11/18

1:30 pm-5:20 pm

2 stops38h 50m

Singapore Changi

Wed 12/3

4:35 pm-3:30 pm

3 stops35h 55m

$1,136

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 3/24

12:50 pm-5:00 am

1 stop28h 10m

Singapore Changi

Wed 4/8

10:30 pm-12:07 am

2 stops37h 37m

$1,138

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Fri 12/5

1:30 pm-8:45 am

1 stop30h 15m

Singapore Changi

Sat 12/20

10:25 am-11:45 am

1 stop38h 20m

$1,160

Washington, D.C.Singapore

IAD - SIN

IADSIN

Washington, D.C. Dulles Intl

Tue 12/30

1:30 pm-8:45 am

1 stop30h 15m

Singapore Changi

Thu 1/15

10:25 am-11:45 am

1 stop38h 20m

$1,166

Flights are sorted by cheapest round-trip flights first.

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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 $987. 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 $1,020.

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 $1,206 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 $970 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

Direct flights

None
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.
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  • 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
2,942 reviews
Search Air India flights
Etihad AirwaysPriceFrom $833Free CancellationRating
7.4
1,285 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom $839Free CancellationRating
7.3
4,035 reviews
Search Turkish Airlines flights
Korean AirPriceFrom $944Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $996Free CancellationRating
7.4
3,660 reviews
Search Qatar Airways flights
JetBluePriceFrom $1,043Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
United AirlinesPriceFrom $1,191Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,196Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
ANAPriceFrom $1,499Free CancellationRating
8.4
1,002 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.

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