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$490+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — KNO
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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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 August 20, 2025.

Round-trip from

$1,169
(Mytrip)

One-way from

$490
(Kiwi.com)
From Washington, D.C. (WAS) to Sumatra
Search Deals
One-way flight from Washington, D.C. (WAS) to Sumatra
Search Deals

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 August 20, 2025.

This Mytrip deal was found by Cheapflights users on 8/20. 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 10/175:35 amBWI - KNO
3 stops40h 20mMultiple Airlines
Sat 10/256:20 pmKNO - BWI
3 stops47h 15mMultiple Airlines
Deal found 8/20$1,169
This oojo deal was found by Cheapflights users on 8/19. 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.
Fri 10/1711:00 amIAD - KNO
2 stops34h 30mMalaysia Airlines
Sat 10/253:45 pmKNO - IAD
2 stops28h 35mMalaysia Airlines
Deal found 8/19$1,258
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:00 pmIAD - KNO
2 stops31h 00mMalaysia Airlines
Sat 10/253:45 pmKNO - IAD
2 stops36h 10mMalaysia Airlines
Deal found 8/19$1,271
This FlightHub deal was found by Cheapflights users on 8/20. 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.
Fri 10/179:00 pmIAD - KNO
2 stops25h 40mMultiple Airlines
Sat 10/2510:25 amKNO - IAD
2 stops33h 55mMultiple Airlines
Deal found 8/20$1,366
This Malaysia Airlines deal was found by Cheapflights users on 8/18. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:00 pmIAD - KNO
2 stops48h 30mMalaysia Airlines
Mon 9/229:20 amKNO - IAD
2 stops41h 20mMalaysia Airlines
Deal found 8/18$1,392
This oojo deal was found by Cheapflights users on 8/20. 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.
Fri 9/1911:00 amIAD - KNO
2 stops34h 30mMalaysia Airlines
Fri 9/263:45 pmKNO - IAD
2 stops34h 55mMalaysia Airlines
Deal found 8/20$1,405
This Emirates deal was found by Cheapflights users on 8/19. 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 8/19$1,803
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Fri 10/177:28 pmBWI - KNO
2 stops37h 02mSingapore Airlines
Sat 10/258:20 pmKNO - BWI
2 stops56h 37mSingapore Airlines
Deal found 8/19$1,870
This oojo deal was found by Cheapflights users on 8/20. 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.
Fri 9/198:59 amDCA - KNO
2 stops36h 01mSingapore Airlines
Fri 9/268:45 amKNO - DCA
2 stops47h 14mSingapore Airlines
Deal found 8/20$1,882
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Sat 10/187:28 pmBWI - KNO
2 stops49h 32mSingapore Airlines
Sun 10/268:50 amKNO - BWI
2 stops44h 07mSingapore Airlines
Deal found 8/19$1,889
This Gurufare deal was found by Cheapflights users on 8/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:59 amDCA - KNO
2 stops35h 01mSingapore Airlines
Sun 10/268:30 pmKNO - DCA
2 stops58h 30mSingapore Airlines
Deal found 8/19$1,934
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/171:30 pmIAD - KNO
2 stops38h 00mMultiple Airlines
Sun 10/268:40 amKNO - IAD
1 stop43h 25mMultiple Airlines
Deal found 8/19$1,954

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 August 20, 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

BaltimoreMedan

BWI - KNO

BWIKNO

Baltimore/Washington

Fri 10/17

5:35 am-8:55 am

3 stops40h 20m

Medan Kuala Namu Intl

Sat 10/25

6:20 pm-6:35 am

3 stops47h 15m

$1,169

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Fri 10/17

11:00 am-8:30 am

2 stops34h 30m

Medan Kuala Namu Intl

Sat 10/25

3:45 pm-9:20 am

2 stops28h 35m

$1,258

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Sat 10/18

9:00 pm-3:00 pm

2 stops31h 00m

Medan Kuala Namu Intl

Sun 10/26

4:50 pm-4:55 pm

2 stops35h 05m

$1,271

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Sat 10/18

9:00 pm-3:00 pm

2 stops31h 00m

Medan Kuala Namu Intl

Sat 10/25

3:45 pm-4:55 pm

2 stops36h 10m

$1,271

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Fri 10/17

11:00 am-8:30 am

2 stops34h 30m

Medan Kuala Namu Intl

Sun 10/26

4:50 pm-4:55 pm

2 stops35h 05m

$1,271

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Fri 10/17

9:00 pm-9:40 am

2 stops25h 40m

Medan Kuala Namu Intl

Sat 10/25

10:25 am-9:20 am

2 stops33h 55m

$1,366

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Thu 9/18

9:00 pm-8:30 am

2 stops48h 30m

Medan Kuala Namu Intl

Mon 9/22

9:20 am-3:40 pm

2 stops41h 20m

$1,392

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Fri 9/19

11:00 am-8:30 am

2 stops34h 30m

Medan Kuala Namu Intl

Fri 9/26

3:45 pm-3:40 pm

2 stops34h 55m

$1,405

Washington, D.C.Padang

IAD - PDG

IADPDG

Washington, D.C. Dulles Intl

Thu 11/6

10:30 am-11:15 am

2 stops36h 45m

Padang Tabing

Mon 11/10

12:00 pm-8:10 am

2 stops32h 10m

$1,803

BaltimoreMedan

BWI - KNO

BWIKNO

Baltimore/Washington

Fri 10/17

7:28 pm-7:30 pm

2 stops37h 02m

Medan Kuala Namu Intl

Sun 10/26

8:50 am-5:57 pm

2 stops44h 07m

$1,870

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 35 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 34h 30m. 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. Reagan-National - Medan Kuala Namu Intl. You may also consider Washington, D.C. Dulles Intl - Medan Kuala Namu Intl or Baltimore/Washington - 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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