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Cheap flights from Singapore to Washington, D.C. from $462

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 12/25. 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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IndiGo Logo
11:15 am - 7:20 pm
SIN
-
IAD
45h 05m2 stops
IndiGo Logo
10:15 pm - 5:20 pm
IAD
-
SIN
31h 05m2 stops
$913IndiGo
sáb., mar. 7 - sáb., mar. 14
Etihad Airways Logo
7:25 pm - 9:05 am
SIN
-
IAD
26h 40m1 stop
Etihad Airways Logo
2:35 pm - 9:35 am
IAD
-
SIN
30h 00m1 stop
$952Etihad Airways
jue., ene. 29 - jue., feb. 5
Etihad Airways Logo
9:10 pm - 9:45 am
SIN
-
IAD
24h 35m1 stop
Etihad Airways Logo
3:35 pm - 9:15 am
IAD
-
SIN
29h 40m1 stop
$965Etihad Airways
jue., may. 14 - sáb., ago. 8
Air China Logo
9:30 am - 6:30 pm
SIN
-
IAD
22h 00m1 stop
Air China Logo
10:00 pm - 6:50 am
IAD
-
SIN
43h 50m1 stop
$966Air China
vie., ene. 30 - vie., feb. 6
Multiple Airlines Logo
5:55 pm - 7:30 pm
SIN
-
IAD
37h 35m1 stop
Multiple Airlines Logo
7:10 pm - 3:30 pm
IAD
-
SIN
32h 20m1 stop
$968Multiple Airlines
jue., mar. 12 - sáb., mar. 21
Multiple Airlines Logo
5:55 pm - 7:30 pm
SIN
-
IAD
37h 35m1 stop
Multiple Airlines Logo
10:15 pm - 5:20 pm
IAD
-
SIN
31h 05m2 stops
$974Multiple Airlines
jue., mar. 12 - sáb., mar. 21
Air Canada Logo
8:50 am - 8:55 am
SIN
-
DCA
36h 05m2 stops
Air Canada Logo
11:05 am - 7:00 am
DCA
-
SIN
55h 55m2 stops
$994Air Canada
mar., mar. 10 - lun., mar. 16
Air Canada Logo
8:50 am - 12:19 pm
SIN
-
DCA
40h 29m2 stops
Air Canada Logo
8:40 pm - 6:55 am
DCA
-
SIN
45h 15m2 stops
$1,001Air Canada
jue., feb. 12 - dom., feb. 15
United Airlines Logo
10:00 am - 9:52 pm
SIN
-
DCA
24h 52m1 stop
United Airlines Logo
8:00 pm - 8:15 pm
DCA
-
SIN
35h 15m2 stops
$1,164United Airlines
jue., ene. 29 - jue., feb. 5
United Airlines Logo
10:10 am - 9:17 pm
SIN
-
BWI
24h 07m2 stops
United Airlines Logo
4:09 pm - 8:15 pm
BWI
-
SIN
39h 06m2 stops
$1,215United Airlines
jue., feb. 12 - dom., feb. 15

Air China flights from Singapore to Washington, D.C.

Our best Air China deals on Singapore to Washington, D.C. flight tickets
Air China
Jan 30
SIN9:30 amSingapore Changi
22h 00m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 6
IAD10:00 pmWashington, D.C. Dulles Intl
43h 50m
1 stop
SIN6:50 amSingapore Changi
$966
Find similar
Air China
Jan 29
SIN3:00 amSingapore Changi
28h 30m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
Feb 6
IAD10:00 pmWashington, D.C. Dulles Intl
43h 50m
1 stop
SIN6:50 amSingapore Changi
$1,092
Find similar
Air China
Dec 18
SIN6:30 pmSingapore Changi
37h 00m
2 stops
IAD6:30 pmWashington, D.C. Dulles Intl
Jan 9
IAD10:00 pmWashington, D.C. Dulles Intl
29h 25m
1 stop
SIN4:25 pmSingapore Changi
$1,292
Find similar

IndiGo flights from Singapore to Washington, D.C.

Our best IndiGo deals on Singapore to Washington, D.C. flight tickets
IndiGo
Mar 7
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
Mar 14
IAD10:15 pmWashington, D.C. Dulles Intl
31h 05m
2 stops
SIN5:20 pmSingapore Changi
$913
Find similar
IndiGo
Mar 8
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
Mar 14
IAD10:15 pmWashington, D.C. Dulles Intl
31h 05m
2 stops
SIN5:20 pmSingapore Changi
$997
Find similar
IndiGo
Dec 18
SIN11:15 amSingapore Changi
45h 05m
2 stops
IAD7:20 pmWashington, D.C. Dulles Intl
Jan 3
IAD1:30 pmWashington, D.C. Dulles Intl
39h 15m
2 stops
SIN5:45 pmSingapore Changi
$1,387
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Singapore to Washington, D.C. 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 diciembre 17, 2025.
Use the filters below to find and compare flights from Singapore to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

sáb. 3/7

11:15 am-7:20 pm

2 stops45h 05m

Washington, D.C. Dulles Intl

sáb. 3/14

10:15 pm-5:20 pm

2 stops31h 05m

$913

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

jue. 1/29

7:25 pm-9:05 am

1 stop26h 40m

Washington, D.C. Dulles Intl

jue. 2/5

2:35 pm-9:35 am

1 stop30h 00m

$952

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

jue. 5/14

9:10 pm-9:45 am

1 stop24h 35m

Washington, D.C. Dulles Intl

sáb. 8/8

3:35 pm-9:15 am

1 stop29h 40m

$965

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

vie. 1/30

9:30 am-6:30 pm

1 stop22h 00m

Washington, D.C. Dulles Intl

vie. 2/6

10:00 pm-6:50 am

1 stop43h 50m

$966

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

jue. 3/12

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

sáb. 3/21

7:10 pm-3:30 pm

1 stop32h 20m

$968

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

jue. 3/12

5:55 pm-7:30 pm

1 stop37h 35m

Washington, D.C. Dulles Intl

sáb. 3/21

10:15 pm-5:20 pm

2 stops31h 05m

$974

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

mar. 3/10

8:50 am-8:55 am

2 stops36h 05m

Washington, D.C. Reagan-National

lun. 3/16

11:05 am-7:00 am

2 stops55h 55m

$994

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

jue. 2/12

8:50 am-12:19 pm

2 stops40h 29m

Washington, D.C. Reagan-National

dom. 2/15

8:40 pm-6:55 am

2 stops45h 15m

$1,001

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

jue. 1/29

10:00 am-9:52 pm

1 stop24h 52m

Washington, D.C. Reagan-National

jue. 2/5

8:00 pm-8:15 pm

2 stops35h 15m

$1,164

SingaporeBaltimore

SIN - BWI

SINBWI

Singapore Changi

jue. 2/12

10:10 am-9:17 pm

2 stops24h 07m

Baltimore/Washington

dom. 2/15

4:09 pm-8:15 pm

2 stops39h 06m

$1,215

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.

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.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Singapore, with most prices found around $1,010. If you’re not able to fly to Washington, D.C. in September, then August is your next best option. Flight prices from Singapore to Washington, D.C. during August average around $1,025.

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

On average, the least expensive day to fly to Washington, D.C. from Singapore is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,114. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Singapore to Washington, D.C. for around $1,472.

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

In the afternoon is the cheapest time of day to fly from Singapore to Washington, D.C. when you can find flight prices for as low as $1,059. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $1,410. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 7% on your flight if you consider stops on a Singapore to Washington, D.C. flight.

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

As of December 2025, prices for Singapore to Washington, D.C. flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from Singapore to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Singapore to Washington, D.C. 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. (SIN to WAS) flight deals and tips

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

Fastest flight time

22h 07m

Direct flights

None
The fastest flight from Singapore to Washington, D.C. takes 22h 07m
There are no direct flights from Singapore to Washington, D.C.. There are no popular flight routes from Singapore to Washington, D.C..
Search flight deals

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

    There are 9651.2 mi between Singapore Changi and Washington, D.C.. In terms of flight time, this usually takes a little over 22h 07m.

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

    Prices for flights from Singapore Changi Airport to Washington, D.C. are updated daily.

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

    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..

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

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Gaithersburg
Reston
Manassas
Fairfax
Glen Burnie
Linthicum Heights
Bethesda

Why use momondo?

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

Finding the right flight to Washington, D.C. from Singapore is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Singapore with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Singapore to Washington, D.C..

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

If you are not ready to book a flight from Singapore to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport