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Cheap flights from Singapore to Washington, D.C. from $533

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 11/4. 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.

Air Canada Logo
9:20 am - 8:59 pmSIN-IAD
24h 39m2 stops
Air Canada Logo
6:30 pm - 7:00 amIAD-SIN
47h 30m2 stops
$877Air Canada
Find Deal
Sat, Feb 7 - Sat, Feb 21
Air Canada Logo
9:10 am - 11:13 amSIN-IAD
38h 03m2 stops
Air Canada Logo
1:00 pm - 7:05 amIAD-SIN
30h 05m2 stops
$888Air Canada
Find Deal
Sun, Oct 5 - Sun, Oct 19
ANA Logo
10:45 am - 9:10 amSIN-IAD
35h 25m1 stop
ANA Logo
8:30 am - 12:55 amIAD-SIN
27h 25m2 stops
$927ANA
Find Deal
Sat, Nov 22 - Mon, Dec 1
ANA Logo
6:15 am - 8:55 pmSIN-IAD
26h 40m2 stops
ANA Logo
12:15 pm - 6:40 amIAD-SIN
30h 25m1 stop
$931ANA
Find Deal
Wed, Sep 3 - Wed, Sep 17
Logo
1:45 pm - 7:33 amSIN-IAD
29h 48m2 stops
Logo
6:13 pm - 12:40 amIAD-SIN
41h 27m2 stops
$961
Find Deal
Mon, Oct 20 - Sat, Nov 15
Logo
7:45 pm - 7:45 pmSIN-IAD
36h 00m2 stops
Logo
9:40 pm - 8:45 amIAD-SIN
23h 05m1 stop
$1,049
Find Deal
Wed, Oct 1 - Wed, Oct 8
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
Turkish Airlines Logo
1:30 pm - 8:45 amIAD-SIN
31h 15m1 stop
$1,068Turkish Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 19
Turkish Airlines Logo
10:15 am - 11:45 amSIN-IAD
37h 30m1 stop
Turkish Airlines Logo
9:40 pm - 8:45 amIAD-SIN
23h 05m1 stop
$1,069Turkish Airlines
Find Deal
Sun, Oct 5 - Sun, Oct 19
United Airlines Logo
8:45 am - 10:30 pmSIN-IAD
25h 45m2 stops
United Airlines Logo
10:05 pm - 6:25 pmIAD-SIN
32h 20m1 stop
$1,140United Airlines
Find Deal
Sat, Sep 20 - Sun, Sep 28
United Airlines Logo
10:20 pm - 11:49 amSIN-IAD
26h 29m2 stops
United Airlines Logo
11:05 am - 6:55 amIAD-SIN
30h 50m1 stop
$1,159United Airlines
Find Deal
Sat, Nov 22 - Mon, Dec 1

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

Our best Air Canada deals on Singapore to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Feb 7
SIN9:20 amSingapore Changi
24h 39m
2 stops
IAD8:59 pmWashington, D.C. Dulles Intl
Feb 21
IAD6:30 pmWashington, D.C. Dulles Intl
47h 30m
2 stops
SIN7:00 amSingapore Changi
$877
Find similar
Air Canada
Oct 5
SIN9:10 amSingapore Changi
38h 03m
2 stops
IAD11:13 amWashington, D.C. Dulles Intl
Oct 19
IAD1:00 pmWashington, D.C. Dulles Intl
30h 05m
2 stops
SIN7:05 amSingapore Changi
$888
Find similar
Air Canada
Oct 5
SIN9:10 amSingapore Changi
36h 28m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
Oct 19
IAD9:35 amWashington, D.C. Dulles Intl
33h 30m
2 stops
SIN7:05 amSingapore Changi
$895
Find similar

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
Oct 5
SIN10:15 amSingapore Changi
37h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Oct 19
IAD1:30 pmWashington, D.C. Dulles Intl
31h 15m
1 stop
SIN8:45 amSingapore Changi
$1,068
Find similar
Turkish Airlines
Oct 5
SIN10:15 amSingapore Changi
37h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Oct 19
IAD9:40 pmWashington, D.C. Dulles Intl
23h 05m
1 stop
SIN8:45 amSingapore Changi
$1,069
Find similar
Turkish Airlines
Sep 14
SIN10:15 amSingapore Changi
37h 30m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
Sep 18
IAD1:30 pmWashington, D.C. Dulles Intl
40h 25m
1 stop
SIN5:55 pmSingapore Changi
$1,090
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 August 18, 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

Sat 2/7

9:20 am-8:59 pm

2 stops24h 39m

Washington, D.C. Dulles Intl

Sat 2/21

6:30 pm-7:00 am

2 stops47h 30m

$877

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

9:10 am-11:13 am

2 stops38h 03m

Washington, D.C. Dulles Intl

Sun 10/19

1:00 pm-7:05 am

2 stops30h 05m

$888

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 11/22

10:45 am-9:10 am

1 stop35h 25m

Washington, D.C. Dulles Intl

Mon 12/1

8:30 am-12:55 am

2 stops27h 25m

$927

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 9/3

6:15 am-8:55 pm

2 stops26h 40m

Washington, D.C. Dulles Intl

Wed 9/17

12:15 pm-6:40 am

1 stop30h 25m

$931

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 10/20

1:45 pm-7:33 am

2 stops29h 48m

Washington, D.C. Dulles Intl

Sat 11/15

6:13 pm-12:40 am

2 stops41h 27m

$961

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Wed 10/1

7:45 pm-7:45 pm

2 stops36h 00m

Washington, D.C. Dulles Intl

Wed 10/8

9:40 pm-8:45 am

1 stop23h 05m

$1,049

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

10:15 am-11:45 am

1 stop37h 30m

Washington, D.C. Dulles Intl

Sun 10/19

1:30 pm-8:45 am

1 stop31h 15m

$1,068

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 10/5

10:15 am-11:45 am

1 stop37h 30m

Washington, D.C. Dulles Intl

Sun 10/19

9:40 pm-8:45 am

1 stop23h 05m

$1,069

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 9/20

8:45 am-10:30 pm

2 stops25h 45m

Washington, D.C. Dulles Intl

Sun 9/28

10:05 pm-6:25 pm

1 stop32h 20m

$1,140

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 11/22

10:20 pm-11:49 am

2 stops26h 29m

Washington, D.C. Dulles Intl

Mon 12/1

11:05 am-6:55 am

1 stop30h 50m

$1,159

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, September 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 $1,073. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,099.

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 $1,284 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 5% on your flight if you consider stops on a Singapore to Washington, D.C. Dulles Intl Airport flight.

  • 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
Arlington
National Harbor
Winchester
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Harpers Ferry
Rockville
Towson
Gaithersburg
Fairfax
Reston
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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