$820 Cheap Flights from Medan (KNO) to Washington (IAD)

View $820 flight on Mon, Sep 15, 2025Opens in a new window

Popular airlines from Medan (KNO-Kuala Namu Intl.) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Medan to Washington (KNO-IAD)

Prices were available within the past 7 days and start at $820 for one-way flights and $1,185 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Fri, Oct 17 - Fri, Nov 7
KNO
Medan
IAD
Washington
$1,185 Roundtrip, found 2 days ago
$1,185
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Fri, Oct 17 from Medan to Washington, returning Fri, Nov 7, priced at $1,185 found 2 days ago
Singapore Airlines
Fri, Oct 17 - Fri, Nov 7
KNO
Medan
IAD
Washington
$1,212 Roundtrip, found 2 days ago
$1,212
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Fri, Oct 17 from Medan to Washington, returning Fri, Nov 7, priced at $1,212 found 2 days ago
Singapore Airlines
Wed, Oct 22 - Sat, Nov 15
KNO
Medan
IAD
Washington
$1,221 Roundtrip, found 2 days ago
$1,221
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Wed, Oct 22 from Medan to Washington, returning Sat, Nov 15, priced at $1,221 found 2 days ago
Singapore Airlines
Wed, Oct 22 - Sat, Nov 15
KNO
Medan
IAD
Washington
$1,249 Roundtrip, found 2 days ago
$1,249
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Wed, Oct 22 from Medan to Washington, returning Sat, Nov 15, priced at $1,249 found 2 days ago
Singapore Airlines
Wed, Oct 22 - Sat, Nov 15
KNO
Medan
IAD
Washington
$1,319 Roundtrip, found 2 days ago
$1,319
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Wed, Oct 22 from Medan to Washington, returning Sat, Nov 15, priced at $1,319 found 2 days ago
Malaysia Airlines
Wed, Oct 22 - Sat, Nov 15
KNO
Medan
IAD
Washington
$1,345 Roundtrip, found 2 days ago
$1,345
Roundtrip
found 2 days ago
Select Malaysia Airlines flight, departing Wed, Oct 22 from Medan to Washington, returning Sat, Nov 15, priced at $1,345 found 2 days ago
Malaysia Airlines
Sat, Oct 11 - Tue, Oct 28
KNO
Medan
IAD
Washington
$1,348 Roundtrip, found 6 days ago
$1,348
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Sat, Oct 11 from Medan to Washington, returning Tue, Oct 28, priced at $1,348 found 6 days ago
Batik air
Wed, Oct 22 - Sat, Nov 15
KNO
Medan
IAD
Washington
$1,570 Roundtrip, found 2 days ago
$1,570
Roundtrip
found 2 days ago
Select Batik air flight, departing Wed, Oct 22 from Medan to Washington, returning Sat, Nov 15, priced at $1,570 found 2 days ago
Qatar Airways
Wed, Oct 22 - Sat, Nov 15
KNO
Medan
IAD
Washington
$1,640 Roundtrip, found 2 days ago
$1,640
Roundtrip
found 2 days ago
Select Qatar Airways flight, departing Wed, Oct 22 from Medan to Washington, returning Sat, Nov 15, priced at $1,640 found 2 days ago
Etihad Airways
Fri, Oct 17 - Fri, Nov 7
KNO
Medan
IAD
Washington
$1,751 Roundtrip, found 2 days ago
$1,751
Roundtrip
found 2 days ago
Select Etihad Airways flight, departing Fri, Oct 17 from Medan to Washington, returning Fri, Nov 7, priced at $1,751 found 2 days ago
Flights from Medan (KNO) to Washington (IAD)
Origin airport
Kuala Namu Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
$1,184
Distance
9484 mi

Medan to Washington Flights

The cheapest times to fly from Medan to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Medan to Washington are during the month of October. You can find some of the cheapest flights from Medan to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Medan to Washington

Sunday is one of the best days to book for cheap flights from Medan to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Medan to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Medan to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $820 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Medan to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Medan to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kuala Namu Intl. Airport (KNO) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from KNO to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from KNO to IAD?
The cheapest flights from KNO to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from KNO to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from KNO to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Kuala Namu Intl. Airport (KNO) to Washington Dulles Intl. Airport (IAD)?
There are no daily nonstop flights available from Kuala Namu Intl. Airport (KNO) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from KNO to IAD?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kuala Namu Intl. Airport (KNO) to Washington Dulles Intl. Airport (IAD)?
To touch down at Washington Dulles Intl. Airport (IAD) on time, pick a flight that leaves Kuala Namu Intl. Airport (KNO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kuala Namu Intl. Airport (KNO) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from KNO to IAD just before your getaway is generally more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a KNO to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a KNO to IAD flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the hassle out of planning your trip. Just secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Kuala Namu Intl. Airport (KNO) to Washington Dulles Intl. Airport (IAD)?
In most instances, you can reschedule or cancel your KNO to IAD flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.