Cheap flights from Washington, D.C. to Košice from $931

This is the cheapest one-way 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 9/24. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Cheap round-trip flights

 Logo
5:45 pm - 9:40 pmIAD-KSC
21h 55m3 stops
 Logo
2:45 pm - 3:20 pmKSC-IAD
30h 35m3 stops
dom., oct. 12 - dom., oct. 19
 Logo
2:25 pm - 9:40 pmIAD-KSC
25h 15m2 stops
 Logo
2:45 pm - 3:20 pmKSC-IAD
30h 35m3 stops
$1,000
Find Deal
dom., oct. 12 - dom., oct. 19
 Logo
8:25 pm - 9:40 pmIAD-KSC
19h 15m1 stop
 Logo
8:40 pm - 3:20 pmKSC-IAD
48h 40m2 stops
$1,016
Find Deal
dom., oct. 12 - dom., oct. 19
 Logo
2:25 pm - 9:40 pmIAD-KSC
25h 15m2 stops
 Logo
2:45 pm - 3:20 pmKSC-IAD
30h 35m2 stops
$1,106
Find Deal
dom., oct. 12 - dom., oct. 19
 Logo
9:40 am - 12:20 amDCA-KSC
32h 40m3 stops
 Logo
5:25 am - 9:51 pmKSC-DCA
22h 26m3 stops
$1,150
Find Deal
sáb., oct. 11 - sáb., oct. 18
Austrian Airlines Logo
5:25 pm - 11:20 pmIAD-KSC
23h 55m1 stop
Austrian Airlines Logo
5:25 am - 2:35 pmKSC-IAD
15h 10m1 stop
$1,185Austrian Airlines
Find Deal
dom., oct. 12 - dom., oct. 19
 Logo
6:00 pm - 2:15 pmIAD-KSC
14h 15m1 stop
 Logo
9:45 am - 4:40 pmKSC-IAD
12h 55m1 stop
$1,195
Find Deal
sáb., dic. 13 - vie., ene. 2
 Logo
6:50 pm - 11:20 pmDCA-KSC
46h 30m2 stops
 Logo
2:45 pm - 10:34 pmKSC-DCA
37h 49m2 stops
$1,215
Find Deal
sáb., oct. 11 - sáb., oct. 18
 Logo
10:55 pm - 11:15 pmIAD-KSC
18h 20m2 stops
 Logo
9:45 am - 4:40 pmKSC-IAD
12h 55m1 stop
$1,217
Find Deal
sáb., dic. 13 - vie., ene. 2
Austrian Airlines Logo
5:25 pm - 2:15 pmIAD-KSC
14h 50m2 stops
Austrian Airlines Logo
2:55 pm - 2:00 pmKSC-IAD
29h 05m2 stops
$1,748Austrian Airlines
Find Deal
sáb., dic. 13 - vie., ene. 2

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

Our best Austrian Airlines deals on Washington, D.C. to Košice flight tickets
Austrian Airlines
Oct 12
IAD5:25 pmWashington, D.C. Dulles Intl
23h 55m
1 stop
KSC11:20 pmKošice Barca
Oct 19
KSC5:25 amKošice Barca
15h 10m
1 stop
IAD2:35 pmWashington, D.C. Dulles Intl
Austrian Airlines
Dec 13
IAD5:25 pmWashington, D.C. Dulles Intl
14h 50m
2 stops
KSC2:15 pmKošice Barca
Jan 2
KSC2:55 pmKošice Barca
29h 05m
2 stops
IAD2:00 pmWashington, D.C. Dulles Intl

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 agosto 28, 2025.
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

Washington, D.C.Košice

IAD - KSC

IADKSC

Washington, D.C. Dulles Intl

dom. 10/12

5:45 pm-9:40 pm

3 stops21h 55m

Košice Barca

dom. 10/19

2:45 pm-3:20 pm

3 stops30h 35m

$995

Washington, D.C.Košice

IAD - KSC

IADKSC

Washington, D.C. Dulles Intl

dom. 10/12

2:25 pm-9:40 pm

2 stops25h 15m

Košice Barca

dom. 10/19

2:45 pm-3:20 pm

3 stops30h 35m

$1,000

Washington, D.C.Košice

IAD - KSC

IADKSC

Washington, D.C. Dulles Intl

dom. 10/12

8:25 pm-9:40 pm

1 stop19h 15m

Košice Barca

dom. 10/19

8:40 pm-3:20 pm

2 stops48h 40m

$1,016

Washington, D.C.Košice

IAD - KSC

IADKSC

Washington, D.C. Dulles Intl

dom. 10/12

2:25 pm-9:40 pm

2 stops25h 15m

Košice Barca

dom. 10/19

2:45 pm-3:20 pm

2 stops30h 35m

$1,106

Washington, D.C.Košice

DCA - KSC

DCAKSC

Washington, D.C. Reagan-National

sáb. 10/11

9:40 am-12:20 am

3 stops32h 40m

Košice Barca

sáb. 10/18

5:25 am-9:51 pm

3 stops22h 26m

$1,150

Washington, D.C.Košice

IAD - KSC

IADKSC

Washington, D.C. Dulles Intl

dom. 10/12

5:25 pm-11:20 pm

1 stop23h 55m

Košice Barca

dom. 10/19

5:25 am-2:35 pm

1 stop15h 10m

$1,185

Washington, D.C.Košice

IAD - KSC

IADKSC

Washington, D.C. Dulles Intl

sáb. 12/13

6:00 pm-2:15 pm

1 stop14h 15m

Košice Barca

vie. 1/2

9:45 am-4:40 pm

1 stop12h 55m

$1,195

Washington, D.C.Košice

DCA - KSC

DCAKSC

Washington, D.C. Reagan-National

sáb. 10/11

6:50 pm-11:20 pm

2 stops46h 30m

Košice Barca

sáb. 10/18

2:45 pm-10:34 pm

2 stops37h 49m

$1,215

Washington, D.C.Košice

IAD - KSC

IADKSC

Washington, D.C. Dulles Intl

sáb. 12/13

10:55 pm-11:15 pm

2 stops18h 20m

Košice Barca

vie. 1/2

9:45 am-4:40 pm

1 stop12h 55m

$1,217

Washington, D.C.Košice

IAD - KSC

IADKSC

Washington, D.C. Dulles Intl

sáb. 12/13

5:25 pm-2:15 pm

2 stops14h 50m

Košice Barca

vie. 1/2

2:55 pm-2:00 pm

2 stops29h 05m

$1,748

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

What is the cheapest day to depart on your flight to Košice?

According to our data, Thursday is the cheapest day to fly to Košice from Washington, D.C.. The lowest ticket price found for a Thursday departure recently was $900. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. to Košice for around $1,332.

What is the cheapest time of day to depart on your flight to Košice?

Flying to Košice from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $998 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Košice is in the evening when prices are around $1,206.

Can stopping save me money on Washington, D.C. to Košice flights?

You could potentially save up to 51% on your flight if you consider stops on a Washington, D.C. to Košice flight.

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

Direct flights

None
There are no direct flights from Washington, D.C. to Košice. There are no popular flight routes 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.

An easier way to manage your Košice trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mar. 9/2
mar. 9/9

Find better results for your trip to Slovakia