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Cheap flights from Singapore to Washington, D.C. from $487

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to Washington, D.C. departing on 10/20. 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 Singapore to Washington, D.C.

Recent round-trip flight deals from Singapore to Washington, D.C.

Enter your travel dates to find the best prices.
Air Canada Logo
8:50 am - 11:23 amSIN-IAD
39h 33m2 stops
Air Canada Logo
9:45 am - 7:00 amIAD-SIN
32h 15m2 stops
$883Air Canada
Find Deal
Sun, Nov 16 - Sun, Nov 23
Air Canada Logo
9:10 am - 9:38 amSIN-IAD
36h 28m2 stops
Air Canada Logo
5:22 pm - 7:00 amIAD-SIN
49h 38m2 stops
$885Air Canada
Find Deal
Thu, Oct 16 - Sat, Oct 25
Korean Air Logo
10:40 am - 10:50 amSIN-IAD
36h 10m1 stop
Korean Air Logo
11:50 am - 12:10 amIAD-SIN
23h 20m1 stop
$923Korean Air
Find Deal
Mon, Oct 27 - Sun, Nov 9
Korean Air Logo
10:40 am - 9:50 amSIN-IAD
36h 10m1 stop
Korean Air Logo
11:50 am - 5:00 amIAD-SIN
28h 10m1 stop
$947Korean Air
Find Deal
Wed, Nov 26 - Fri, Dec 5
Delta Logo
10:40 am - 11:40 pmSIN-IAD
25h 00m2 stops
Delta Logo
6:03 am - 12:10 amIAD-SIN
29h 07m2 stops
$989Delta
Find Deal
Mon, Oct 27 - Sun, Nov 9
Turkish Airlines Logo
10:25 am - 7:20 pmSIN-IAD
45h 55m1 stop
Turkish Airlines Logo
1:30 pm - 8:45 amIAD-SIN
30h 15m1 stop
$1,014Turkish Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
Turkish Airlines Logo
11:25 pm - 12:45 pmSIN-IAD
25h 20m1 stop
Turkish Airlines Logo
9:15 pm - 10:00 amIAD-SIN
23h 45m1 stop
$1,016Turkish Airlines
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Wed, Oct 29 - Wed, Nov 5
Multiple Airlines Logo
4:35 pm - 3:30 pmSIN-IAD
35h 55m3 stops
Multiple Airlines Logo
1:30 pm - 5:20 pmIAD-SIN
38h 50m2 stops
$1,021Multiple Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
Multiple Airlines Logo
4:35 pm - 3:30 pmSIN-IAD
35h 55m3 stops
Multiple Airlines Logo
12:26 pm - 1:00 pmIAD-SIN
35h 34m3 stops
$1,031Multiple Airlines
Find Deal
Sun, Nov 16 - Sun, Nov 23
Delta Logo
1:35 am - 10:50 amSIN-IAD
21h 15m1 stop
Delta Logo
11:50 am - 12:10 amIAD-SIN
23h 20m1 stop
$1,092Delta
Find Deal
Sun, Oct 26 - Sun, Nov 9

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

Our best Korean Air deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets
Korean Air
Oct 27
SIN10:40 amSingapore Changi
36h 10m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
Nov 9
IAD11:50 amWashington, D.C. Dulles Intl
23h 20m
1 stop
SIN12:10 amSingapore Changi
$923
Find similar
Korean Air
Nov 26
SIN10:40 amSingapore Changi
36h 10m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Dec 5
IAD11:50 amWashington, D.C. Dulles Intl
28h 10m
1 stop
SIN5:00 amSingapore Changi
$947
Find similar
Korean Air
Oct 27
SIN10:40 amSingapore Changi
36h 10m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
Nov 9
IAD11:50 amWashington, D.C. Dulles Intl
23h 20m
1 stop
SIN12:10 amSingapore Changi
$948
Find similar

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

Our best Delta deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Oct 27
SIN10:40 amSingapore Changi
25h 00m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
Nov 9
IAD6:03 amWashington, D.C. Dulles Intl
29h 07m
2 stops
SIN12:10 amSingapore Changi
$989
Find similar
Delta
Oct 26
SIN1:35 amSingapore Changi
21h 15m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
Nov 9
IAD11:50 amWashington, D.C. Dulles Intl
23h 20m
1 stop
SIN12:10 amSingapore Changi
$1,092
Find similar
Delta
Mar 10
SIN1:35 amSingapore Changi
29h 37m
2 stops
IAD7:12 pmWashington, D.C. Dulles Intl
Mar 15
IAD12:50 pmWashington, D.C. Dulles Intl
23h 20m
1 stop
SIN12:10 amSingapore Changi
$1,097
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Singapore to Washington, D.C. Dulles Intl Airport 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 October 2, 2025.
Use the filters below to find and compare flights from Singapore to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 11/16

8:50 am-11:23 am

2 stops39h 33m

Washington, D.C. Dulles Intl

Sun 11/23

9:45 am-7:00 am

2 stops32h 15m

$883

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 10/16

9:10 am-9:38 am

2 stops36h 28m

Washington, D.C. Dulles Intl

Sat 10/25

5:22 pm-7:00 am

2 stops49h 38m

$885

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 10/27

10:40 am-10:50 am

1 stop36h 10m

Washington, D.C. Dulles Intl

Sun 11/9

11:50 am-12:10 am

1 stop23h 20m

$923

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 11/26

10:40 am-9:50 am

1 stop36h 10m

Washington, D.C. Dulles Intl

Fri 12/5

11:50 am-5:00 am

1 stop28h 10m

$947

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 10/27

10:40 am-11:40 pm

2 stops25h 00m

Washington, D.C. Dulles Intl

Sun 11/9

6:03 am-12:10 am

2 stops29h 07m

$989

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 11/16

10:25 am-7:20 pm

1 stop45h 55m

Washington, D.C. Dulles Intl

Sun 11/23

1:30 pm-8:45 am

1 stop30h 15m

$1,014

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 10/29

11:25 pm-12:45 pm

1 stop25h 20m

Washington, D.C. Dulles Intl

Wed 11/5

9:15 pm-10:00 am

1 stop23h 45m

$1,016

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 11/16

4:35 pm-3:30 pm

3 stops35h 55m

Washington, D.C. Dulles Intl

Sun 11/23

1:30 pm-5:20 pm

2 stops38h 50m

$1,021

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 11/16

4:35 pm-3:30 pm

3 stops35h 55m

Washington, D.C. Dulles Intl

Sun 11/23

12:26 pm-1:00 pm

3 stops35h 34m

$1,031

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/26

1:35 am-10:50 am

1 stop21h 15m

Washington, D.C. Dulles Intl

Sun 11/9

11:50 am-12:10 am

1 stop23h 20m

$1,092

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Singapore to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

In general, March is the cheapest month to fly from Singapore to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,099. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,123.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Saturday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $704. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to Washington, D.C. Dulles Intl Airport for around $1,492.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Singapore in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,114 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,372 on average. Flights to Washington, D.C. Dulles Intl Airport from Singapore 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 Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,334 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Singapore for as low as $939 on momondo.

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

You could potentially save up to 24% on your flight if you consider stops on a Singapore to Washington, D.C. Dulles Intl Airport flight.

Cheap Singapore to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to Washington, D.C. Dulles Intl Airport

Direct flights

None
There are no direct flights from Singapore to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Singapore to Washington, D.C. Dulles Intl Airport.
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  • When did momondo last update prices for flights from Singapore to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Singapore to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Singapore to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Fairfax
Reston
Gaithersburg
Glen Burnie

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Singapore to Washington, D.C. for you.

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

All flight searches from Singapore to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

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 Washington, D.C. from Singapore.

I’m not ready to book a flight from Singapore to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Singapore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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