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$690+ Cheap flights from Washington, D.C. (WAS) to Sumatra

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — KNO
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Washington, D.C. to Sumatra

Cheapest flights from Washington, D.C. to Sumatra
Explore the most affordable flight options available from Washington, D.C. to Sumatra. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Trip.com deal was found by Cheapflights users on 10/14. 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 11/171:30 pmIAD - KNO
2 stops36h 45mMultiple Airlines
Tue 11/257:45 amKNO - IAD
2 stops40h 00mMultiple Airlines
Deal found 10/14$1,189
This Booking.com deal was found by Cheapflights users on 10/15. 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.
Mon 11/178:05 pmIAD - KNO
2 stops31h 55mMalaysia Airlines
Tue 11/259:20 amKNO - IAD
2 stops42h 35mMalaysia Airlines
Deal found 10/15$1,363
This Emirates deal was found by Cheapflights users on 10/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:30 amIAD - PDG
2 stops60h 45mEmirates
Mon 11/1012:00 pmPDG - IAD
2 stops56h 10mEmirates
Deal found 10/15$1,832
This oojo deal was found by Cheapflights users on 10/15. 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.
Mon 11/179:10 pmIAD - KNO
1 stop21h 30mEtihad Airways
Tue 11/2510:30 amKNO - IAD
2 stops41h 00mEtihad Airways
Deal found 10/15$1,896
This oojo deal was found by Cheapflights users on 10/14. 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.
Mon 11/179:59 amDCA - KNO
2 stops45h 41mSingapore Airlines
Tue 11/258:50 amKNO - DCA
2 stops47h 52mSingapore Airlines
Deal found 10/14$1,995
This Mytrip deal was found by Cheapflights users on 10/14. 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.
Mon 11/177:40 pmBWI - KNO
3 stops36h 00mMultiple Airlines
Tue 11/258:30 pmKNO - BWI
3 stops34h 10mMultiple Airlines
Deal found 10/14$2,091
This Etihad Airways deal was found by Cheapflights users on 10/15. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:10 pmIAD - DJB
2 stops57h 15mEtihad Airways
Tue 11/411:10 amDJB - IAD
2 stops40h 20mEtihad Airways
Deal found 10/15$2,411
This KAYAK deal was found by Cheapflights users on 10/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:10 pmIAD - KNO
2 stops48h 20mEtihad Airways
Tue 1/65:40 amKNO - IAD
2 stops45h 50mEtihad Airways
Deal found 10/15$2,681
This FlightHub deal was found by Cheapflights users on 10/14. 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.
Mon 11/176:57 pmBWI - KNO
3 stops60h 43mSingapore Airlines
Tue 11/258:30 pmKNO - BWI
2 stops57h 21mSingapore Airlines
Deal found 10/14$2,965
This Mytrip deal was found by Cheapflights users on 10/15. 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 12/191:30 pmIAD - KNO
3 stops29h 10mMultiple Airlines
Tue 1/612:30 pmKNO - IAD
2 stops31h 40mMultiple Airlines
Deal found 10/15$3,060
This KAYAK deal was found by Cheapflights users on 10/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/201:30 pmIAD - KNO
2 stops32h 00mMultiple Airlines
Tue 1/66:00 pmKNO - IAD
2 stops29h 45mMultiple Airlines
Deal found 10/16$3,201
This Orbitz deal was found by Cheapflights users on 10/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:15 pmIAD - KNO
2 stops35h 25mMultiple Airlines
Mon 1/54:50 pmKNO - IAD
2 stops51h 20mMultiple Airlines
Deal found 10/16$3,323

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

Keep the following information in mind while searching for Washington, D.C. to Sumatra flight deals. Data was last updated October 16, 2025.

Round-trip from

$1,189
(Trip.com)

One-way from

$690
(Kiwi.com)
From Washington, D.C. (WAS) to Sumatra
Search Deals
One-way flight from Washington, D.C. (WAS) to Sumatra
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Sumatra 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 October 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Sumatra that are best for you.

Fly from

Washington, D.C.

Fly to

Sumatra

Route

Depart

Return

Price

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Mon 11/17

1:30 pm-2:15 pm

2 stops36h 45m

Medan Kuala Namu Intl

Tue 11/25

7:45 am-11:45 am

2 stops40h 00m

$1,189

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Mon 11/17

8:05 pm-4:00 pm

2 stops31h 55m

Medan Kuala Namu Intl

Tue 11/25

9:20 am-3:55 pm

2 stops42h 35m

$1,363

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Wed 2/25

8:05 pm-4:00 pm

2 stops31h 55m

Medan Kuala Namu Intl

Sun 3/1

4:50 pm-3:55 pm

2 stops35h 05m

$1,363

Washington, D.C.Padang

IAD - PDG

IADPDG

Washington, D.C. Dulles Intl

Thu 11/6

10:30 am-11:15 am

2 stops60h 45m

Padang Tabing

Mon 11/10

12:00 pm-8:10 am

2 stops56h 10m

$1,832

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Mon 11/17

9:10 pm-6:40 am

1 stop21h 30m

Medan Kuala Namu Intl

Tue 11/25

6:00 pm-3:30 pm

2 stops33h 30m

$1,896

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Wed 2/25

9:10 pm-6:40 am

1 stop21h 30m

Medan Kuala Namu Intl

Sun 3/1

8:40 am-3:30 pm

1 stop42h 50m

$1,958

BaltimoreMedan

BWI - KNO

BWIKNO

Baltimore/Washington

Wed 2/25

6:00 am-7:40 pm

2 stops49h 40m

Medan Kuala Namu Intl

Sun 3/1

8:50 am-6:34 am

3 stops57h 44m

$1,984

Washington, D.C.Medan

DCA - KNO

DCAKNO

Washington, D.C. Reagan-National

Mon 11/17

9:59 am-7:40 pm

2 stops45h 41m

Medan Kuala Namu Intl

Tue 11/25

8:50 am-8:42 pm

2 stops47h 52m

$1,995

BaltimoreMedan

BWI - KNO

BWIKNO

Baltimore/Washington

Mon 11/17

7:40 pm-7:40 pm

3 stops36h 00m

Medan Kuala Namu Intl

Tue 11/25

8:30 pm-6:40 pm

3 stops34h 10m

$2,091

Washington, D.C.Jambi

IAD - DJB

IADDJB

Washington, D.C. Dulles Intl

Thu 3/5

9:10 pm-10:25 am

2 stops49h 15m

Jambi Sultan T. Syarifudn

Mon 3/9

11:10 am-4:30 pm

2 stops40h 20m

$2,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 20 results
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Best time to book a flight from Washington, D.C. to Sumatra

Have a flexible travel schedule? Discover the best time to fly to Sumatra from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Sumatra
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Sumatra. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Sumatra?

    There are many flights that can get you from Washington, D.C. to Sumatra in 31h 55m. Fly via Malaysia Airlines, Emirates, or Singapore Airlines to get the fastest option. Washington, D.C. and Sumatra are separated by a distance of 9478 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Washington, D.C. to Sumatra?

    The most popular route from Washington, D.C. to Sumatra is Washington, D.C. Dulles Intl - Medan Kuala Namu Intl. You may also consider Baltimore/Washington - Medan Kuala Namu Intl or Washington, D.C. Reagan-National - Medan Kuala Namu Intl.

  • Can I find deals for flights from Washington, D.C. to Sumatra that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Sumatra flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Sumatra?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Sumatra.

  • Can I find deals for business class flights from Washington, D.C. to Sumatra?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Sumatra by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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