Cheap flights from Singapore to Washington, D.C. from $430

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 3/23. 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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Recent round-trip flight deals from Singapore to Washington, D.C.

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Multiple Airlines Logo
5:50 pm - 7:30 pm
SIN
-
IAD
37h 40m
2 stops
Multiple Airlines Logo
3:10 pm - 9:40 am
IAD
-
SIN
30h 30m
1 stop
$999Multiple Airlines
Thu, Mar 26 - Sat, Apr 4
Air China Logo
6:40 pm - 7:30 pm
SIN
-
IAD
60h 50m
2 stops
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$1,004Air China
Wed, Mar 25 - Tue, Apr 7
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
$1,007Turkish Airlines
Wed, Mar 25 - Wed, Apr 8
Turkish Airlines Logo
10:15 am - 7:20 pm
SIN
-
IAD
46h 05m
1 stop
Turkish Airlines Logo
2:30 pm - 10:00 am
IAD
-
SIN
31h 30m
1 stop
$1,008Turkish Airlines
Sun, Mar 8 - Mon, Mar 23
Turkish Airlines Logo
10:15 am - 7:20 pm
SIN
-
IAD
46h 05m
1 stop
Turkish Airlines Logo
2:30 pm - 10:00 am
IAD
-
SIN
31h 30m
1 stop
$1,009Turkish Airlines
Sun, Mar 8 - Mon, Mar 23
Turkish Airlines Logo
10:25 am - 7:50 pm
SIN
-
IAD
45h 25m
1 stop
Turkish Airlines Logo
1:20 pm - 9:30 am
IAD
-
SIN
32h 10m
1 stop
$1,018Turkish Airlines
Thu, Apr 16 - Thu, Apr 30
Multiple Airlines Logo
5:50 pm - 7:30 pm
SIN
-
IAD
37h 40m
2 stops
Multiple Airlines Logo
4:30 pm - 5:15 am
IAD
-
SIN
48h 45m
2 stops
$1,021Multiple Airlines
Thu, Mar 26 - Sat, Apr 4
Air China Logo
1:45 pm - 7:30 pm
SIN
-
IAD
41h 45m
2 stops
Air China Logo
11:00 pm - 4:25 pm
IAD
-
SIN
29h 25m
1 stop
$1,026Air China
Thu, Mar 26 - Fri, Apr 10
Turkish Airlines Logo
10:15 am - 8:20 pm
SIN
-
IAD
46h 05m
1 stop
Turkish Airlines Logo
1:20 pm - 9:30 am
IAD
-
SIN
32h 10m
1 stop
$1,027Turkish Airlines
Thu, Mar 26 - Sat, Apr 4
Turkish Airlines Logo
11:40 am - 12:45 pm
SIN
-
IAD
37h 05m
1 stop
Turkish Airlines Logo
1:20 pm - 8:45 am
IAD
-
SIN
31h 25m
1 stop
$1,033Turkish Airlines
Fri, Mar 27 - Fri, Apr 10

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
May 4
SIN8:35 pmSingapore Changi
22h 27m
1 stop
IAD7:02 amWashington, D.C. Dulles Intl
May 8
IAD12:50 pmWashington, D.C. Dulles Intl
29h 55m
2 stops
SIN6:45 amSingapore Changi
$1,140
United Airlines
Apr 8
SIN9:00 amSingapore Changi
28h 25m
1 stop
IAD1:25 amWashington, D.C. Dulles Intl
Apr 15
IAD12:55 pmWashington, D.C. Dulles Intl
29h 50m
2 stops
SIN6:45 amSingapore Changi
$1,141
United Airlines
May 20
SIN11:05 amSingapore Changi
35h 00m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
May 27
IAD1:25 pmWashington, D.C. Dulles Intl
28h 50m
2 stops
SIN6:15 amSingapore Changi
$1,146

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

Our best Qatar Airways deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets
Qatar Airways
Mar 1
SIN8:15 pmSingapore Changi
32h 40m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
Apr 30
IAD11:00 amWashington, D.C. Dulles Intl
22h 15m
1 stop
SIN9:15 pmSingapore Changi
$1,455
Qatar Airways
Mar 1
SIN9:20 pmSingapore Changi
31h 35m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Apr 30
IAD8:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN3:45 pmSingapore Changi
$1,563
Qatar Airways
Mar 1
SIN9:20 pmSingapore Changi
31h 35m
2 stops
IAD3:55 pmWashington, D.C. Dulles Intl
Apr 30
IAD8:20 pmWashington, D.C. Dulles Intl
31h 25m
1 stop
SIN3:45 pmSingapore Changi
$1,564

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 22, 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

Thu 3/26

5:50 pm-7:30 pm

2 stops37h 40m

Washington, D.C. Dulles Intl

Sat 4/4

3:10 pm-9:40 am

1 stop30h 30m

$999

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/25

6:40 pm-7:30 pm

2 stops60h 50m

Washington, D.C. Dulles Intl

Tue 4/7

11:00 pm-4:25 pm

1 stop29h 25m

$1,004

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 3/25

11:40 am-12:45 pm

1 stop37h 05m

Washington, D.C. Dulles Intl

Wed 4/8

9:45 pm-8:45 am

1 stop23h 00m

$1,007

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/8

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Mon 3/23

2:30 pm-10:00 am

1 stop31h 30m

$1,008

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 3/8

10:15 am-7:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Mon 3/23

2:30 pm-10:00 am

1 stop31h 30m

$1,009

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 4/16

10:25 am-7:50 pm

1 stop45h 25m

Washington, D.C. Dulles Intl

Thu 4/30

1:20 pm-9:30 am

1 stop32h 10m

$1,018

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/26

5:50 pm-7:30 pm

2 stops37h 40m

Washington, D.C. Dulles Intl

Sat 4/4

4:30 pm-5:15 am

2 stops48h 45m

$1,021

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/26

1:45 pm-7:30 pm

2 stops41h 45m

Washington, D.C. Dulles Intl

Fri 4/10

11:00 pm-4:25 pm

1 stop29h 25m

$1,026

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Thu 3/26

10:15 am-8:20 pm

1 stop46h 05m

Washington, D.C. Dulles Intl

Sat 4/4

1:20 pm-9:30 am

1 stop32h 10m

$1,027

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 4/10

1:20 pm-8:45 am

1 stop31h 25m

$1,033

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 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.

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

Fastest flight time

28h 12m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. Dulles Intl Airport takes 28h 12m
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.
  • 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Tysons
Fredericksburg
Rockville
Manassas
Springfield
Fairfax
Bethesda
Sterling

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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1 adult
Tue 3/24
Tue 3/31

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