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Cheap flights from Massachusetts to Košice from $266

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Košice departing on 3/19. 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

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Find the cheapest flights from Massachusetts to Košice

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:25 pm - 6:00 pm
BOS
-
KSC
18h 35m1 stop
Multiple Airlines Logo
8:40 pm - 9:05 pm
KSC
-
BOS
30h 25m2 stops
$512Multiple Airlines
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
11:30 pm - 6:00 pm
BOS
-
KSC
12h 30m1 stop
Multiple Airlines Logo
10:55 am - 9:05 pm
KSC
-
BOS
40h 10m2 stops
$526Multiple Airlines
Tue, Apr 14 - Wed, Apr 29
SWISS Logo
5:05 pm - 2:05 pm
BOS
-
KSC
15h 00m1 stop
SWISS Logo
2:50 pm - 3:30 pm
KSC
-
BOS
30h 40m1 stop
$570SWISS
Tue, Apr 14 - Wed, Apr 29
Austrian Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m1 stop
Austrian Airlines Logo
2:45 pm - 1:50 pm
KSC
-
BOS
29h 05m1 stop
$580Austrian Airlines
Tue, Apr 14 - Tue, Apr 28
Austrian Airlines Logo
11:17 am - 2:00 pm
BOS
-
KSC
20h 43m2 stops
Austrian Airlines Logo
2:45 pm - 1:50 pm
KSC
-
BOS
29h 05m1 stop
$584Austrian Airlines
Mon, Apr 20 - Tue, Apr 28
Austrian Airlines Logo
5:10 pm - 11:30 pm
BOS
-
KSC
24h 20m1 stop
Austrian Airlines Logo
2:45 pm - 6:19 pm
KSC
-
BOS
33h 34m2 stops
$590Austrian Airlines
Tue, Apr 14 - Mon, Apr 27
Austrian Airlines Logo
11:17 am - 2:00 pm
BOS
-
KSC
20h 43m2 stops
Austrian Airlines Logo
5:25 am - 6:19 pm
KSC
-
BOS
18h 54m2 stops
$594Austrian Airlines
Mon, Apr 20 - Tue, Apr 28
Lufthansa Logo
8:05 pm - 2:00 pm
BOS
-
KSC
35h 55m2 stops
Lufthansa Logo
5:25 am - 5:40 pm
KSC
-
BOS
18h 15m2 stops
$638Lufthansa
Tue, Apr 14 - Thu, Apr 23
Austrian Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m1 stop
Austrian Airlines Logo
2:45 pm - 6:19 pm
KSC
-
BOS
33h 34m2 stops
$640Austrian Airlines
Tue, Apr 14 - Sun, Apr 26
Multiple Airlines Logo
8:05 pm - 11:30 pm
BOS
-
KSC
21h 25m2 stops
Multiple Airlines Logo
7:40 pm - 7:55 pm
KSC
-
BOS
30h 15m1 stop
$643Multiple Airlines
Sat, Apr 18 - Mon, Apr 27

SWISS flights from Massachusetts to Košice

Our best SWISS deals on Massachusetts to Košice flight tickets
SWISS
Apr 14
BOS9:40 pmBoston Logan Intl
10h 25m
1 stop
KSC2:05 pmKošice Barca
Apr 27
KSC7:40 pmKošice Barca
30h 15m
1 stop
BOS7:55 pmBoston Logan Intl
$570
SWISS
Apr 16
BOS5:05 pmBoston Logan Intl
10h 10m
1 stop
KSC9:15 amKošice Barca
Apr 29
KSC2:50 pmKošice Barca
11h 05m
1 stop
BOS7:55 pmBoston Logan Intl
$955

Austrian Airlines flights from Massachusetts to Košice

Our best Austrian Airlines deals on Massachusetts to Košice flight tickets
Austrian Airlines
Apr 14
BOS5:10 pmBoston Logan Intl
14h 50m
1 stop
KSC2:00 pmKošice Barca
Apr 28
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$580
Austrian Airlines
Apr 20
BOS11:17 amBoston Logan Intl
20h 43m
2 stops
KSC2:00 pmKošice Barca
Apr 28
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$584
Austrian Airlines
Apr 14
BOS5:10 pmBoston Logan Intl
24h 20m
1 stop
KSC11:30 pmKošice Barca
Apr 27
KSC2:45 pmKošice Barca
33h 34m
2 stops
BOS6:19 pmBoston Logan Intl
$590

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts 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 January 12, 2026.
Use the filters below to find and compare flights from Massachusetts to Košice that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

5:25 pm-6:00 pm

1 stop18h 35m

Košice Barca

Tue 4/28

8:40 pm-9:05 pm

2 stops30h 25m

$512

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

11:30 pm-6:00 pm

1 stop12h 30m

Košice Barca

Wed 4/29

10:55 am-9:05 pm

2 stops40h 10m

$526

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

5:05 pm-2:05 pm

1 stop15h 00m

Košice Barca

Wed 4/29

2:50 pm-3:30 pm

1 stop30h 40m

$570

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Tue 4/28

2:45 pm-1:50 pm

1 stop29h 05m

$580

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 4/20

11:17 am-2:00 pm

2 stops20h 43m

Košice Barca

Tue 4/28

2:45 pm-1:50 pm

1 stop29h 05m

$584

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

5:10 pm-11:30 pm

1 stop24h 20m

Košice Barca

Mon 4/27

2:45 pm-6:19 pm

2 stops33h 34m

$590

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 4/20

11:17 am-2:00 pm

2 stops20h 43m

Košice Barca

Tue 4/28

5:25 am-6:19 pm

2 stops18h 54m

$594

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

8:05 pm-2:00 pm

2 stops35h 55m

Košice Barca

Thu 4/23

5:25 am-5:40 pm

2 stops18h 15m

$638

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Sun 4/26

2:45 pm-6:19 pm

2 stops33h 34m

$640

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 4/18

8:05 pm-11:30 pm

2 stops21h 25m

Košice Barca

Mon 4/27

7:40 pm-7:55 pm

1 stop30h 15m

$643

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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Cheap Massachusetts to Košice flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Košice

Fastest flight time

14h 35m

Direct flights

None
The fastest flight from Massachusetts to Košice takes 14h 35m
There are no direct flights from Massachusetts to Košice. There are no popular flight routes from Massachusetts to Košice.
Search flight deals

  • When did momondo last update prices for flights from Massachusetts to Košice Barca Airport?

    Prices for flights from Massachusetts to Košice Barca Airport refresh daily.

  • How old do you have to be to fly from Massachusetts to Košice Barca Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Košice Barca Airport.

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

    The travel and health documents required for your trip to Košice Barca Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Košice Barca Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Massachusetts to Košice?

    Price Alerts will notify you by email when the price for flights to Košice from Massachusetts decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Massachusetts to Košice with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Košice?

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Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Košice?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Košice from Massachusetts.

Can I find flights from Massachusetts to Košice with flexible booking policies on momondo?

Flights from Massachusetts to Košice with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Massachusetts 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 Massachusetts.

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

If you are simply researching potential flights to Košice, momondo offers a useful price alert feature which will track prices for flights to Košice from Massachusetts and alert you when they change.

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