HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sumatra

$1,146+ Cheap flights from Dulles Intl (IAD) to Sumatra

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — KNO
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Sumatra 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.

Find flight deals from Dulles Intl to Sumatra

Cheapest flights from Dulles Intl to Sumatra
Explore the most affordable flight options available from Dulles Intl to Sumatra. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Trip.com deal was found by Cheapflights users on 10/28. 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 stops44h 25mMultiple Airlines
Wed 11/265:45 pmKNO - IAD
2 stops54h 00mMultiple Airlines
Deal found 10/28$1,146
This Trip.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/189:15 pmIAD - KNO
2 stops29h 00mMultiple Airlines
Wed 11/262:40 pmKNO - IAD
2 stops57h 05mMultiple Airlines
Deal found 10/28$1,263
This Ovago deal was found by Cheapflights users on 10/28. 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.
Wed 12/1010:40 amIAD - KNO
2 stops41h 20mMultiple Airlines
Mon 12/228:10 pmKNO - IAD
2 stops48h 10mMultiple Airlines
Deal found 10/28$1,507
This Trip.com deal was found by Cheapflights users on 10/28. 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 11/179:10 pmIAD - KNO
1 stop21h 30mEtihad Airways
Wed 11/268:40 amKNO - IAD
1 stop42h 50mEtihad Airways
Deal found 10/28$1,887
This Emirates deal was found by Cheapflights users on 10/27. 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 11/1012:05 pmPDG - IAD
2 stops32h 05mEmirates
Deal found 10/27$1,897

Cheap flight deals from Dulles Intl to Sumatra

Keep the following information in mind while searching for Dulles Intl to Sumatra flight deals. Data was last updated October 29, 2025.

Round-trip from

$1,146
(Trip.com)
From Washington, D.C. Dulles Intl to Sumatra
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sumatra that are best for you.

Fly from

Dulles Intl

Fly to

Sumatra

Route

Depart

Return

Price

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Tue 11/18

9:15 pm-2:15 pm

2 stops29h 00m

Medan Kuala Namu Intl

Wed 11/26

2:40 pm-11:45 am

2 stops57h 05m

$1,263

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Mon 11/17

1:30 pm-5:00 pm

2 stops39h 30m

Medan Kuala Namu Intl

Wed 11/26

5:45 pm-3:30 pm

3 stops33h 45m

$1,334

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

9:20 am-3:55 pm

2 stops42h 35m

$1,363

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Thu 2/12

8:05 pm-4:00 pm

2 stops31h 55m

Medan Kuala Namu Intl

Fri 2/27

4:50 pm-3:55 pm

2 stops35h 05m

$1,386

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Wed 2/11

8:05 pm-4:00 pm

2 stops31h 55m

Medan Kuala Namu Intl

Wed 2/25

4:50 pm-3:55 pm

2 stops35h 05m

$1,386

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Wed 2/11

8:05 pm-4:00 pm

2 stops31h 55m

Medan Kuala Namu Intl

Fri 2/27

4:50 pm-3:55 pm

2 stops35h 05m

$1,386

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Tue 2/10

8:05 pm-4:00 pm

2 stops31h 55m

Medan Kuala Namu Intl

Thu 2/26

9:20 am-8:20 am

2 stops35h 00m

$1,394

Washington, D.C.Medan

IAD - KNO

IADKNO

Washington, D.C. Dulles Intl

Thu 2/12

8:05 pm-4:00 pm

2 stops31h 55m

Medan Kuala Namu Intl

Tue 2/24

4:50 pm-8:20 am

2 stops27h 30m

$1,394

Washington, D.C.Jambi

IAD - DJB

IADDJB

Washington, D.C. Dulles Intl

Thu 3/5

2:35 pm-10:25 am

2 stops55h 50m

Jambi Sultan T. Syarifudn

Mon 3/9

11:10 am-10:05 am

2 stops33h 55m

$2,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Best time to book a flight from Dulles Intl to Sumatra

Have a flexible travel schedule? Discover the best time to fly to Sumatra from Dulles Intl 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. Dulles Intl Airport 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 Dulles Intl 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. Dulles Intl Airport to Sumatra?

    Departing from Washington, D.C. Dulles Intl Airport to Sumatra will take you 31h 55m. There are 9478 mi between Washington, D.C. Dulles Intl Airport and Sumatra. This flight may include one or multiple stops.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to Sumatra is Washington, D.C. Dulles Intl - Medan Kuala Namu Intl. You may also consider Washington, D.C. Dulles Intl - Padang Tabing or Washington, D.C. Dulles Intl - Jambi Sultan T. Syarifudn.

  • Can I find deals for flights from Dulles Intl to Sumatra that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Sumatra flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Sumatra?

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

  • Can I find deals for business class flights from Dulles Intl to Sumatra?

    Yes. Cheapflights offers flight deals from Dulles Intl 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Sumatra

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Soekarno-Hatta Intl flights
Dulles Intl to Denpasar flights
Reagan-National to Denpasar flights
Baltimore to Soekarno-Hatta Intl flights
Baltimore to Denpasar flights
Reagan-National to Soekarno-Hatta Intl flights
Reagan-National to Surabaya flights
Dulles Intl to Surabaya flights
Baltimore to Surabaya flights
Baltimore to Manado flights
Dulles Intl to Medan flights
Dulles Intl to Balikpapan flights
Dulles Intl to Manado flights
Dulles Intl to Surakarta City flights
Dulles Intl to Jambi flights
Dulles Intl to Yogyakarta flights
Dulles Intl to Semarang flights
Dulles Intl to Sorong flights
Baltimore to Balikpapan flights
Baltimore to Yogyakarta flights
Dulles Intl to Batam flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.