Washington, D.C.

$486+ Cheap flights from Singapore (SIN) to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — WAS
Jan 15 — Jan 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Singapore to Washington, D.C. with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Singapore Changi to Washington, D.C. are usually found in August or February, booked 25 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Singapore to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 10, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$947
(oojo)

One-way from

$486
(Jettzy)

Popular in

July

Cheapest in

August

Average price

$1,215
Provider with most accurate pricing for Singapore Changi-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Singapore Changi-Washington, D.C. (WAS) flights.
From Singapore Changi to Washington, D.C. (WAS)
One-way flight from Singapore Changi to Washington, D.C. (WAS)
High demand for flights, 2% potential price rise
Best time to find cheap flights, 1% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Singapore to Washington, D.C.

Cheapest flights from Singapore to Washington, D.C.
Explore the most affordable flight options available from Singapore to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 10, 2025.

This oojo deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/910:25 amSIN - IAD
1 stop38h 50mTurkish Airlines
Sun 2/161:30 pmIAD - SIN
1 stop39h 05mTurkish Airlines
Deal found 1/10$947
This Trip.com deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/245:00 pmSIN - IAD
1 stop34h 45mMultiple Airlines
Mon 3/39:30 pmIAD - SIN
2 stops43h 45mMultiple Airlines
Deal found 1/9$991
This United Airlines deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/910:10 amSIN - IAD
2 stops24h 59mUnited Airlines
Sun 2/1612:35 pmIAD - SIN
1 stop29h 20mUnited Airlines
Deal found 1/10$1,004
This FlightHub deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3011:00 pmSIN - IAD
1 stop44h 15mAir India
Fri 8/811:15 amIAD - SIN
1 stop22h 30mAir India
Deal found 1/10$1,015
This SAUDIA deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SAUDIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/155:00 pmSIN - IAD
1 stop82h 45mSAUDIA
Sat 2/226:10 pmIAD - SIN
1 stop80h 20mSAUDIA
Deal found 1/9$1,019
This Mytrip deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/149:30 amSIN - IAD
1 stop41h 40mAir China
Sat 3/14:35 pmIAD - SIN
2 stops49h 15mAir China
Deal found 1/10$1,057
This United Airlines deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1310:20 pmSIN - DCA
2 stops33h 23mUnited Airlines
Wed 1/155:59 pmDCA - SIN
1 stop25h 01mUnited Airlines
Deal found 1/9$1,058
This Gotogate deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2410:25 pmSIN - DCA
2 stops37h 10mJapan Airlines
Mon 3/37:05 pmDCA - SIN
2 stops33h 20mJapan Airlines
Deal found 1/9$1,092
This American Airlines deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/148:15 amSIN - IAD
2 stops27h 18mAmerican Airlines
Sat 3/15:13 pmIAD - SIN
2 stops42h 37mAmerican Airlines
Deal found 1/9$1,096
This United deal was found by Cheapflights users on 1/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/136:35 amSIN - DCA
2 stops47h 17mMultiple Airlines
Wed 1/159:00 amDCA - SIN
2 stops26h 55mMultiple Airlines
Deal found 1/9$1,116
This Booking.com deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/147:40 pmSIN - IAD
2 stops36h 50mIndiGo
Sat 3/19:25 pmIAD - SIN
2 stops30h 55mIndiGo
Deal found 1/10$1,150
This United Airlines deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2410:20 pmSIN - BWI
1 stop21h 32mUnited Airlines
Mon 3/36:15 amBWI - SIN
1 stop25h 00mUnited Airlines
Deal found 1/10$1,150

Find flights from Singapore to Washington, D.C. within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated January 10, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 2/9

10:25 am-12:15 pm

1 stop38h 50m

Washington, D.C. Dulles Intl

Sun 2/16

1:30 pm-5:35 pm

1 stop39h 05m

$947

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Mon 2/24

5:00 pm-2:45 pm

1 stop34h 45m

Washington, D.C. Dulles Intl

Mon 3/3

9:30 pm-6:15 am

2 stops43h 45m

$991

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sun 2/9

10:10 am-10:09 pm

2 stops24h 59m

Washington, D.C. Dulles Intl

Sun 2/16

12:35 pm-6:55 am

1 stop29h 20m

$1,004

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Sat 2/15

5:00 pm-2:45 pm

1 stop82h 45m

Washington, D.C. Dulles Intl

Sat 2/22

6:10 pm-3:30 pm

1 stop80h 20m

$1,019

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 2/14

9:30 am-2:10 pm

1 stop41h 40m

Washington, D.C. Dulles Intl

Sat 3/1

4:35 pm-6:50 am

2 stops49h 15m

$1,057

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 2/24

10:25 pm-10:35 pm

2 stops37h 10m

Washington, D.C. Reagan-National

Mon 3/3

7:05 pm-5:25 pm

2 stops33h 20m

$1,092

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 2/14

8:15 am-10:33 pm

2 stops27h 18m

Washington, D.C. Dulles Intl

Sat 3/1

5:13 pm-12:50 am

2 stops42h 37m

$1,096

SingaporeWashington, D.C.

SIN - DCA

SINDCA

Singapore Changi

Mon 2/24

10:20 pm-4:53 pm

1 stop31h 33m

Washington, D.C. Reagan-National

Mon 3/3

12:30 pm-8:00 am

2 stops30h 30m

$1,130

SingaporeWashington, D.C.

SIN - IAD

SINIAD

Singapore Changi

Fri 2/14

7:40 pm-7:30 pm

2 stops36h 50m