$1,221 Cheap Flights from Kosice (KSC) to Washington (IAD)

View $1,221 flight on Fri, Sep 4, 2026Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Kosice to Washington (KSC-IAD)

Prices were available within the past 7 days and start at $1,221 for one-way flights and $569 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Fri, Oct 31 - Fri, Nov 7
KSC
Kosice
IAD
Washington
$569 Roundtrip, found 4 days ago
$569
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Fri, Oct 31 from Kosice to Washington, returning Fri, Nov 7, priced at $569 found 4 days ago
Lufthansa
Fri, Oct 31 - Fri, Nov 7
KSC
Kosice
IAD
Washington
$591 Roundtrip, found 4 days ago
$591
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Oct 31 from Kosice to Washington, returning Fri, Nov 7, priced at $591 found 4 days ago
Lufthansa
Tue, Jan 27 - Sat, Mar 7
KSC
Kosice
IAD
Washington
$591 Roundtrip, found 3 days ago
$591
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Jan 27 from Kosice to Washington, returning Sat, Mar 7, priced at $591 found 3 days ago
Austrian Airlines
Tue, Jan 27 - Sat, Mar 7
KSC
Kosice
IAD
Washington
$600 Roundtrip, found 3 days ago
$600
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Jan 27 from Kosice to Washington, returning Sat, Mar 7, priced at $600 found 3 days ago
Lufthansa
Tue, Jan 27 - Sat, Mar 7
KSC
Kosice
IAD
Washington
$604 Roundtrip, found 3 days ago
$604
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Jan 27 from Kosice to Washington, returning Sat, Mar 7, priced at $604 found 3 days ago
Austrian Airlines
Tue, Jan 27 - Sat, Mar 7
KSC
Kosice
IAD
Washington
$608 Roundtrip, found 3 days ago
$608
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Tue, Jan 27 from Kosice to Washington, returning Sat, Mar 7, priced at $608 found 3 days ago
Lufthansa
Fri, Oct 31 - Fri, Nov 7
KSC
Kosice
IAD
Washington
$610 Roundtrip, found 4 days ago
$610
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Oct 31 from Kosice to Washington, returning Fri, Nov 7, priced at $610 found 4 days ago
Lufthansa
Tue, Jan 27 - Sat, Mar 7
KSC
Kosice
IAD
Washington
$613 Roundtrip, found 3 days ago
$613
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Jan 27 from Kosice to Washington, returning Sat, Mar 7, priced at $613 found 3 days ago
Lufthansa
Tue, Jan 27 - Sat, Mar 7
KSC
Kosice
IAD
Washington
$614 Roundtrip, found 3 days ago
$614
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Jan 27 from Kosice to Washington, returning Sat, Mar 7, priced at $614 found 3 days ago
Lufthansa
Fri, Oct 31 - Fri, Nov 7
KSC
Kosice
IAD
Washington
$616 Roundtrip, found 4 days ago
$616
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Fri, Oct 31 from Kosice to Washington, returning Fri, Nov 7, priced at $616 found 4 days ago

Frequently asked questions

How much does a flight from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD) cost?
Snag a cheap one-way flight from $1,221 or cheap return flight from $569 from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD)?
October is the cheapest month to fly from KSC to IAD. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest KSC to IAD flight.
How many flights per day from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD)?
There are no daily direct flights departing from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from KSC to IAD?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD)?
Opt for a flight from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your plane ticket from KSC to IAD shortly before your getaway is typically more expensive. But if there's some wiggle room with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a KSC to IAD flight and hotel package?
You'll generally save money by securing a KSC to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. After choosing your preferred flights and accommodations, you can add extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Barca Airport (KSC) to Washington Dulles Intl. Airport (IAD)?
Generally, it's possible to reschedule or cancel your KSC to IAD flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Barca
Destination airport
Washington Dulles Intl.
Roundtrip price
$569
Distance
4612 mi

Book with confidence

Kosice to Washington Flights

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

 

The best time to book a flight from Kosice to Washington

Sunday is one of the best days to book for cheap flights from Kosice 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 Kosice 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 Kosice to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,221 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 Kosice 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 Kosice 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.

 

Kosice to Washington Flights

Explore a world of travel with Expedia

*Available to One Key members.