$622 Cheap Flights from Washington (IAD) to Kosice (KSC)

View $622 flight on Mon, Aug 17, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Kosice (KSC-Barca)

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Cheap Flights from Washington to Kosice (IAD-KSC)

Prices were available within the past 7 days and start at $622 for one-way flights and $725 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$725 Roundtrip, found 4 days ago
$725
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $725 found 4 days ago
Austrian Airlines
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$732 Roundtrip, found 4 days ago
$732
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $732 found 4 days ago
Air Canada
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$738 Roundtrip, found 4 days ago
$738
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $738 found 4 days ago
Austrian Airlines
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$739 Roundtrip, found 4 days ago
$739
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $739 found 4 days ago
Air Canada
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$746 Roundtrip, found 4 days ago
$746
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $746 found 4 days ago
Austrian Airlines
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$751 Roundtrip, found 4 days ago
$751
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $751 found 4 days ago
Lufthansa
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$751 Roundtrip, found 4 days ago
$751
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $751 found 4 days ago
Air Canada
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$752 Roundtrip, found 4 days ago
$752
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $752 found 4 days ago
Air Canada
Wed, Mar 4 - Wed, Mar 18
IAD
Washington
KSC
Kosice
$757 Roundtrip, found 4 days ago
$757
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Mar 4 from Washington to Kosice, returning Wed, Mar 18, priced at $757 found 4 days ago
Swiss International Air Lines
Sat, Dec 13 - Fri, Jan 2
IAD
Washington
KSC
Kosice
$2,624 Roundtrip, found 8 hours ago
$2,624
Roundtrip
found 8 hours ago
Select Swiss International Air Lines flight, departing Sat, Dec 13 from Washington to Kosice, returning Fri, Jan 2, priced at $2,624 found 8 hours ago

Alternative airports near Kosice

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Barca KSC. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $1,639
KSC
Barca
CheapestClosest
Average driving time to city center11 min
Flights from $1,639

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC) cost?
Secure a cheap one-way flight from $622 or cheap return flight from $725 from Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC)?
The cheapest month to fly from IAD to KSC is March, when demand is low. Off-peak months are typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC)?
To find the cheapest airline flying from IAD to KSC, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC)?
You'll have to hop on a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from IAD to KSC?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC)?
To avoid possible delays on the Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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 Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC) last-minute?
Last-minute fares from IAD to KSC are generally more expensive. For the best prices, start searching for flights ahead of time. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before your journey.
Is it cheaper to book an IAD to KSC flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to KSC flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of travel planning. Just pick your flights and select from our extensive range of stays, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Barca Airport (KSC)?
Typically, you can cancel or modify your IAD to KSC flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Barca
Airlines serving
Austrian Airlines, Lufthansa, Swiss International Air Lines
Roundtrip price
$725
Distance
4612 mi

Book with confidence

Washington to Kosice Flights

The cheapest times to fly from Washington to Kosice

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 Washington to Kosice are during the month of March. You can find some of the cheapest flights from Washington to Kosice with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Kosice

Sunday is one of the best days to book for cheap flights from Washington to Kosice: 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 Washington to Kosice

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 Washington to Kosice in 2025. You can also book with separate airlines for your outbound and return journeys, from $622 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 Washington to Kosice 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 Washington to Kosice 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.

 

Washington to Kosice Flights

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*Available to One Key members.