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Cheap flights from Washington, D.C. to Košice from $1,010

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Košice departing on 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. to Košice

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
10:20 pm - 11:20 pmIAD  Washington, D.C. Dulles Intl-KSC Košice Barca
19h 00m2 stops Munich Franz Josef Strauss Vienna Intl
Lufthansa Logo
5:25 am - 1:35 pmKSC  Košice Barca-IAD Washington, D.C. Dulles Intl
14h 10m2 stops Vienna Intl Frankfurt am Main
$1,010Lufthansa
Sun, Sep 6 - Sun, Sep 13
Austrian Airlines Logo
5:45 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-KSC Košice Barca
14h 15m1 stop Vienna Intl
Austrian Airlines Logo
2:45 pm - 2:00 pmKSC  Košice Barca-IAD Washington, D.C. Dulles Intl
29h 15m1 stop Vienna Intl
$1,013Austrian Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
5:45 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-KSC Košice Barca
14h 15m1 stop Vienna Intl
Multiple Airlines Logo
5:25 am - 4:05 pmKSC  Košice Barca-IAD Washington, D.C. Dulles Intl
16h 40m2 stops Vienna Intl Frankfurt am Main
$1,020Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
8:20 pm - 6:55 pmIAD  Washington, D.C. Dulles Intl-KSC Košice Barca
16h 35m1 stop Zurich
Multiple Airlines Logo
2:45 pm - 4:05 pmKSC  Košice Barca-IAD Washington, D.C. Dulles Intl
31h 20m2 stops Vienna Intl Frankfurt am Main
$1,030Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
LOT Logo
6:10 am - 11:55 amDCA  Washington, D.C. Reagan-National-KSC Košice Barca
23h 45m2 stops New York John F Kennedy Intl Warsaw Frederic Chopin
LOT Logo
3:05 pm - 10:59 pmKSC  Košice Barca-DCA Washington, D.C. Reagan-National
37h 54m2 stops Warsaw Frederic Chopin New York John F Kennedy Intl
$1,342LOT
Sun, Sep 6 - Sun, Sep 13
Austrian Airlines Logo
5:45 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-KSC Košice Barca
14h 15m1 stop Vienna Intl
Austrian Airlines Logo
5:25 am - 2:00 pmKSC  Košice Barca-IAD Washington, D.C. Dulles Intl
14h 35m1 stop Vienna Intl
$1,349Austrian Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
6:10 am - 11:55 amDCA  Washington, D.C. Reagan-National-KSC Košice Barca
23h 45m2 stops New York John F Kennedy Intl Warsaw Frederic Chopin
Multiple Airlines Logo
3:05 pm - 10:59 pmKSC  Košice Barca-DCA Washington, D.C. Reagan-National
37h 54m2 stops Warsaw Frederic Chopin New York John F Kennedy Intl
$1,378Multiple Airlines
Sun, Sep 6 - Sun, Sep 13
LOT Logo
6:10 am - 11:55 amDCA  Washington, D.C. Reagan-National-KSC Košice Barca
23h 45m2 stops New York John F Kennedy Intl Warsaw Frederic Chopin
LOT Logo
3:05 pm - 10:59 pmKSC  Košice Barca-DCA Washington, D.C. Reagan-National
37h 54m2 stops Warsaw Frederic Chopin New York John F Kennedy Intl
$1,382LOT
Sun, Sep 6 - Sun, Sep 13
Lufthansa Logo
10:20 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-KSC Košice Barca
33h 40m2 stops Munich Franz Josef Strauss Vienna Intl
Lufthansa Logo
2:45 pm - 1:35 pmKSC  Košice Barca-IAD Washington, D.C. Dulles Intl
28h 50m2 stops Vienna Intl Frankfurt am Main
$1,389Lufthansa
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
10:20 pm - 11:20 pmIAD  Washington, D.C. Dulles Intl-KSC Košice Barca
19h 00m2 stops Munich Franz Josef Strauss Vienna Intl
Multiple Airlines Logo
5:25 am - 2:00 pmKSC  Košice Barca-IAD Washington, D.C. Dulles Intl
14h 35m1 stop Vienna Intl
$1,405Multiple Airlines
Sun, Sep 6 - Sun, Sep 13

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Lufthansa flights from Washington, D.C. to Košice

Our best Lufthansa deals on Washington, D.C. to Košice flight tickets
Lufthansa
Sep 6
IAD10:20 pmWashington, D.C. Dulles Intl
19h 00m
2 stops
KSC11:20 pmKošice Barca
Sep 13
KSC5:25 amKošice Barca
14h 10m
2 stops
IAD1:35 pmWashington, D.C. Dulles Intl
$1,010
Lufthansa
Sep 6
IAD10:20 pmWashington, D.C. Dulles Intl
33h 40m
2 stops
KSC2:00 pmKošice Barca
Sep 13
KSC2:45 pmKošice Barca
28h 50m
2 stops
IAD1:35 pmWashington, D.C. Dulles Intl
$1,389

Austrian Airlines flights from Washington, D.C. to Košice

Our best Austrian Airlines deals on Washington, D.C. to Košice flight tickets
Austrian Airlines
Sep 6
IAD5:45 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
KSC2:00 pmKošice Barca
Sep 13
KSC2:45 pmKošice Barca
29h 15m
1 stop
IAD2:00 pmWashington, D.C. Dulles Intl
$1,013
Austrian Airlines
Sep 6
IAD5:45 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
KSC2:00 pmKošice Barca
Sep 13
KSC5:25 amKošice Barca
14h 35m
1 stop
IAD2:00 pmWashington, D.C. Dulles Intl
$1,349

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Košice 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, momondo users made 832,500 searches. Data last updated August 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Košice that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Košice

IAD Washington, D.C. Dulles Intl - KSC Košice Barca

IADKSC

Washington, D.C. Dulles Intl

Sun 9/6

10:20 pm-11:20 pm

2 stops19h 00m

Košice Barca

Sun 9/13

5:25 am-1:35 pm

2 stops14h 10m

$1,010

Washington, D.C.Košice

IAD Washington, D.C. Dulles Intl - KSC Košice Barca

IADKSC

Washington, D.C. Dulles Intl

Sun 9/6

5:45 pm-2:00 pm

1 stop14h 15m

Košice Barca

Sun 9/13

2:45 pm-2:00 pm

1 stop29h 15m

$1,013

Washington, D.C.Košice

IAD Washington, D.C. Dulles Intl - KSC Košice Barca

IADKSC

Washington, D.C. Dulles Intl

Sun 9/6

5:45 pm-2:00 pm

1 stop14h 15m

Košice Barca

Sun 9/13

5:25 am-4:05 pm

2 stops16h 40m

$1,020

Washington, D.C.Košice

IAD Washington, D.C. Dulles Intl - KSC Košice Barca

IADKSC

Washington, D.C. Dulles Intl

Sun 9/6

8:20 pm-6:55 pm

1 stop16h 35m

Košice Barca

Sun 9/13

2:45 pm-4:05 pm

2 stops31h 20m

$1,030

Washington, D.C.Košice

DCA Washington, D.C. Reagan-National - KSC Košice Barca

DCAKSC

Washington, D.C. Reagan-National

Sun 9/6

6:10 am-11:55 am

2 stops23h 45m

Košice Barca

Sun 9/13

3:05 pm-10:59 pm

2 stops37h 54m

$1,342
Quickest round-trip

Washington, D.C.Košice

IAD Washington, D.C. Dulles Intl - KSC Košice Barca

IADKSC

Washington, D.C. Dulles Intl

Sun 9/6

5:45 pm-2:00 pm

1 stop14h 15m

Košice Barca

Sun 9/13

5:25 am-2:00 pm

1 stop14h 35m

$1,349

Washington, D.C.Košice

DCA Washington, D.C. Reagan-National - KSC Košice Barca

DCAKSC

Washington, D.C. Reagan-National

Sun 9/6

6:10 am-11:55 am

2 stops23h 45m

Košice Barca

Sun 9/13

3:05 pm-10:59 pm

2 stops37h 54m

$1,378

Washington, D.C.Košice

DCA Washington, D.C. Reagan-National - KSC Košice Barca

DCAKSC

Washington, D.C. Reagan-National

Sun 9/6

6:10 am-11:55 am

2 stops23h 45m

Košice Barca

Sun 9/13

3:05 pm-10:59 pm

2 stops37h 54m

$1,382

Washington, D.C.Košice

IAD Washington, D.C. Dulles Intl - KSC Košice Barca

IADKSC

Washington, D.C. Dulles Intl

Sun 9/6

10:20 pm-2:00 pm

2 stops33h 40m

Košice Barca

Sun 9/13

2:45 pm-1:35 pm

2 stops28h 50m

$1,389

Washington, D.C.Košice

IAD Washington, D.C. Dulles Intl - KSC Košice Barca

IADKSC

Washington, D.C. Dulles Intl

Sun 9/6

10:20 pm-11:20 pm

2 stops19h 00m

Košice Barca

Sun 9/13

5:25 am-2:00 pm

1 stop14h 35m

$1,405

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Košice from

How to get the cheapest flight ticket from Washington, D.C. to Košice

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Košice?

Average flight duration from Washington, D.C. to Košice depends on which airport you fly into and out of. Flying from Washington, D.C. to Košice is 15h 28m on average, while flying from Baltimore to Košice is 18h on average. Košice is the most popular airport in Košice.

When to book flights from Washington, D.C. to Košice

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Košice according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Košice (WAS to KSC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Košice

Fastest flight time

14h 15m

Direct flights

None
The fastest flight from Washington, D.C. to Košice takes 14h 15m
There are no direct flights from Washington, D.C. to Košice. There are no popular flight routes from Washington, D.C. to Košice.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Košice

  • How far is Washington, D.C. to Košice Barca by plane?

    The straight-line distance from Washington, D.C. to Košice Barca is 4595.3 mi. In terms of flight time, this usually takes a little over 14h 15m.

  • When did momondo last update prices for flights from Washington, D.C. to Košice Barca Airport?

    Prices for flights from Washington, D.C. to Košice Barca Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. to Košice Barca Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Košice Barca Airport.

  • What documentation or ID do you need to fly to Košice Barca Airport?

    The required travel and health documents for your Košice Barca Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Košice Barca Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Košice?

Book flights to Košice if you plan to visit one of these locations
Prešov

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Košice?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Košice. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Košice with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Košice on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Košice?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Košice from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Košice right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Košice now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Košice and let you know when they change.

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