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Cheap flights from Singapore to Washington, D.C. from $452

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 3/5. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
10:25 am - 7:50 pm
SIN
-
IAD
45h 25m
1 stop
Turkish Airlines Logo
1:20 pm - 8:45 am
IAD
-
SIN
31h 25m
1 stop
$981Turkish Airlines
Tue, Mar 31 - Tue, Apr 7
Turkish Airlines Logo
11:40 am - 8:20 pm
SIN
-
IAD
44h 40m
1 stop
Turkish Airlines Logo
2:30 pm - 10:00 am
IAD
-
SIN
31h 30m
1 stop
$995Turkish Airlines
Wed, Mar 11 - Wed, Mar 18
Turkish Airlines Logo
11:40 am - 12:45 pm
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
10:15 pm - 10:00 am
IAD
-
SIN
23h 45m
1 stop
$997Turkish Airlines
Wed, Mar 11 - Mon, Mar 23
Turkish Airlines Logo
11:40 am - 12:45 pm
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
9:45 pm - 8:45 am
IAD
-
SIN
23h 00m
1 stop
$1,001Turkish Airlines
Fri, Mar 27 - Fri, Apr 3
Turkish Airlines Logo
10:15 am - 12:45 pm
SIN
-
IAD
38h 30m
1 stop
Turkish Airlines Logo
10:15 pm - 8:35 am
IAD
-
SIN
22h 20m
1 stop
$1,004Turkish Airlines
Thu, Mar 12 - Thu, Mar 19
Turkish Airlines Logo
10:15 am - 12:45 pm
SIN
-
IAD
38h 30m
1 stop
Turkish Airlines Logo
9:45 pm - 9:30 am
IAD
-
SIN
23h 45m
1 stop
$1,011Turkish Airlines
Sun, Mar 22 - Mon, Apr 6
Turkish Airlines Logo
11:40 am - 12:45 pm
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
9:45 pm - 8:45 am
IAD
-
SIN
23h 00m
1 stop
$1,015Turkish Airlines
Fri, Mar 27 - Fri, Apr 3
Turkish Airlines Logo
10:25 am - 11:35 am
SIN
-
IAD
37h 10m
1 stop
Turkish Airlines Logo
9:45 pm - 8:45 am
IAD
-
SIN
23h 00m
1 stop
$1,016Turkish Airlines
Sun, Mar 29 - Sun, Apr 5
Turkish Airlines Logo
10:15 am - 8:20 pm
SIN
-
IAD
46h 05m
1 stop
Turkish Airlines Logo
2:30 pm - 8:35 am
IAD
-
SIN
30h 05m
1 stop
$1,018Turkish Airlines
Sun, Mar 15 - Sun, Mar 22
Turkish Airlines Logo
11:40 am - 11:45 am
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
1:30 pm - 10:00 am
IAD
-
SIN
31h 30m
1 stop
$1,019Turkish Airlines
Wed, Feb 25 - Sat, Feb 28

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

Our best United Airlines deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Feb 25
SIN10:20 pmSingapore Changi
22h 11m
1 stop
IAD7:31 amWashington, D.C. Dulles Intl
Feb 28
IAD5:35 pmWashington, D.C. Dulles Intl
37h 40m
2 stops
SIN8:15 pmSingapore Changi
$1,142
United Airlines
May 14
SIN8:35 pmSingapore Changi
37h 52m
1 stop
IAD10:27 pmWashington, D.C. Dulles Intl
Aug 8
IAD10:10 pmWashington, D.C. Dulles Intl
32h 25m
2 stops
SIN6:35 pmSingapore Changi
$1,145
United Airlines
Feb 22
SIN10:20 pmSingapore Changi
21h 31m
1 stop
IAD6:51 amWashington, D.C. Dulles Intl
Mar 9
IAD5:50 pmWashington, D.C. Dulles Intl
38h 25m
2 stops
SIN8:15 pmSingapore Changi
$1,182

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

Our best Turkish Airlines deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets
Turkish Airlines
Mar 31
SIN10:25 amSingapore Changi
45h 25m
1 stop
IAD7:50 pmWashington, D.C. Dulles Intl
Apr 7
IAD1:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN8:45 amSingapore Changi
$981
Turkish Airlines
Mar 11
SIN11:40 amSingapore Changi
44h 40m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
Mar 18
IAD2:30 pmWashington, D.C. Dulles Intl
31h 30m
1 stop
SIN10:00 amSingapore Changi
$995
Turkish Airlines
Mar 11
SIN11:40 amSingapore Changi
37h 05m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
Mar 23
IAD10:15 pmWashington, D.C. Dulles Intl
23h 45m
1 stop
SIN10:00 amSingapore Changi
$997

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 February 14, 2026.
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

Tue 3/31

10:25 am-7:50 pm

1 stop45h 25m

Washington, D.C. Dulles Intl

Tue 4/7

1:20 pm-8:45 am

1 stop31h 25m

$981

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/11

11:40 am-8:20 pm

1 stop44h 40m

Washington, D.C. Dulles Intl

Wed 3/18

2:30 pm-10:00 am

1 stop31h 30m

$995

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/11

11:40 am-12:45 pm

1 stop37h 05m

Washington, D.C. Dulles Intl

Mon 3/23

10:15 pm-10:00 am

1 stop23h 45m

$997

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 3/27

11:40 am-12:45 pm

1 stop37h 05m

Washington, D.C. Dulles Intl

Fri 4/3

9:45 pm-8:45 am

1 stop23h 00m

$1,001

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/12

10:15 am-12:45 pm

1 stop38h 30m

Washington, D.C. Dulles Intl

Thu 3/19

10:15 pm-8:35 am

1 stop22h 20m

$1,004

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/22

10:15 am-12:45 pm

1 stop38h 30m

Washington, D.C. Dulles Intl

Mon 4/6

9:45 pm-9:30 am

1 stop23h 45m

$1,011

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 3/27

11:40 am-12:45 pm

1 stop37h 05m

Washington, D.C. Dulles Intl

Fri 4/3

9:45 pm-8:45 am

1 stop23h 00m

$1,015

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/29

10:25 am-11:35 am

1 stop37h 10m

Washington, D.C. Dulles Intl

Sun 4/5

9:45 pm-8:45 am

1 stop23h 00m

$1,016

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/15

10:15 am-8:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Sun 3/22

2:30 pm-8:35 am

1 stop30h 05m

$1,018

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 2/25

11:40 am-11:45 am

1 stop37h 05m

Washington, D.C. Dulles Intl

Sat 2/28

1:30 pm-10:00 am

1 stop31h 30m

$1,019

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 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 typical price of a round-trip flight between Singapore and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, February 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 $924. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,055.

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

You could potentially save up to 27% on your flight if you consider stops on a Singapore to Washington, D.C. Dulles Intl Airport flight.

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

As of February 2026, prices for Singapore to Washington, D.C. Dulles Intl Airport flights are approximately 0% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Singapore to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Singapore to Washington, D.C. Dulles Intl Airport (SIN to IAD) 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

Fastest flight time

36h 25m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. Dulles Intl Airport takes 36h 25m
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.
Search flight deals

  • How far is Singapore Changi to Washington, D.C. Dulles Intl by plane?

    The distance between Singapore Changi and Washington, D.C. Dulles Intl is about 9647.6 mi. By plane, this route typically takes 36h 25m.

  • When did momondo last update prices for flights from Singapore Changi Airport to Washington, D.C. Dulles Intl Airport?

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore Changi Airport 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Singapore to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Washington, D.C. from Singapore which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Singapore to Washington, D.C. 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 Singapore to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Singapore to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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