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$885+ Cheap flights from Massachusetts to Košice (KSC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KSC
Mar 9 — Mar 161
Mon 3/9
Mon 3/16
1 adult, Economy
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Cheap flight deals from Massachusetts to Košice

Cheapest flights from Massachusetts to Košice
Explore the most affordable flight options available from Massachusetts to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:10 pm
BOS
-
KSC
1 stop11h 10m
Multiple Airlines
Sat 3/289:30 pm
KSC
-
BOS
2 stops52h 35m
Multiple Airlines
Deal found 2/4$885
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:40 pm
BOS
-
KSC
2 stops11h 35m
Multiple Airlines
Sat 3/142:55 pm
KSC
-
BOS
1 stop29h 10m
Multiple Airlines
Deal found 2/5$892
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:25 pm
BOS
-
KSC
2 stops14h 00m
Multiple Airlines
Sun 6/141:05 pm
KSC
-
BOS
1 stop14h 55m
Multiple Airlines
Deal found 2/4$973
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:05 pm
BOS
-
KSC
2 stops18h 00m
Multiple Airlines
Sun 6/141:05 pm
KSC
-
BOS
1 stop14h 55m
Multiple Airlines
Deal found 2/4$985
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:30 pm
BOS
-
KSC
2 stops17h 20m
Multiple Airlines
Sun 6/141:05 pm
KSC
-
BOS
1 stop14h 55m
Multiple Airlines
Deal found 2/4$1,009
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:25 pm
BOS
-
KSC
2 stops16h 55m
Multiple Airlines
Sun 6/141:05 pm
KSC
-
BOS
1 stop14h 55m
Multiple Airlines
Deal found 2/4$1,020
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/255:25 pm
BOS
-
KSC
2 stops14h 00m
Multiple Airlines
Wed 6/176:25 pm
KSC
-
BOS
1 stop33h 35m
Multiple Airlines
Deal found 2/4$1,025
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:15 pm
BOS
-
KSC
1 stop14h 45m
Multiple Airlines
Mon 6/157:35 am
KSC
-
BOS
2 stops19h 30m
Multiple Airlines
Deal found 2/4$1,029
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:30 pm
BOS
-
KSC
1 stop31h 10m
Multiple Airlines
Sun 6/141:05 pm
KSC
-
BOS
1 stop14h 55m
Multiple Airlines
Deal found 2/4$1,037

Find flight deals from Massachusetts to Košice

Keep the following information in mind while searching for Massachusetts to Košice flight deals. Data was last updated February 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$885
(Kiwi.com)
Provider with most accurate pricing for Boston Logan Intl-Košice Barca flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Košice Barca flights.
Search Deals
From Massachusetts to Košice Barca
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 7, 2026.
Use the filters below to find and compare flights from Massachusetts to Košice that are best for you.

Fly from

Massachusetts

Fly to

Košice

Route

Depart

Return

Price

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 3/7

8:40 pm-2:15 pm

2 stops11h 35m

Košice Barca

Sat 3/14

2:55 pm-3:05 pm

1 stop29h 10m

$892

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 5/26

9:15 pm-6:00 pm

1 stop14h 45m

Košice Barca

Sun 6/14

1:05 pm-10:00 pm

1 stop14h 55m

$1,003

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 5/27

11:30 pm-10:50 pm

2 stops17h 20m

Košice Barca

Sun 6/14

1:05 pm-10:00 pm

1 stop14h 55m

$1,009

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 5/24

5:25 pm-4:20 pm

2 stops16h 55m

Košice Barca

Sun 6/14

1:05 pm-10:00 pm

1 stop14h 55m

$1,020

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 5/26

9:15 pm-6:00 pm

1 stop14h 45m

Košice Barca

Mon 6/15

7:35 am-9:05 pm

2 stops19h 30m

$1,029

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Fri 5/29

11:30 pm-12:40 pm

1 stop31h 10m

Košice Barca

Sun 6/14

1:05 pm-10:00 pm

1 stop14h 55m

$1,037

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 5/26

11:00 am-2:00 pm

2 stops21h 00m

Košice Barca

Wed 6/17

5:25 am-1:50 pm

1 stop14h 25m

$1,055

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 5/24

9:40 pm-6:55 pm

1 stop15h 15m

Košice Barca

Wed 6/17

2:50 pm-7:55 pm

1 stop11h 05m

$1,086

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 5/26

9:40 pm-2:05 pm

1 stop10h 25m

Košice Barca

Mon 6/15

7:40 pm-3:10 pm

1 stop25h 30m

$1,086

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 5/24

5:20 pm-6:55 pm

1 stop19h 35m

Košice Barca

Mon 6/15

7:40 pm-7:55 pm

1 stop30h 15m

$1,086

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Best time to book a flight from Massachusetts to Košice

Have a flexible travel schedule? Discover the best time to fly to Košice from Massachusetts with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to Košice
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Košice. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Košice from Massachusetts?

    Located just 3.6 mi from the city center, Košice Barca (KSC) is the airport most travelers will use when flying to Košice from Massachusetts.

  • Can I find deals for flights from Massachusetts to Košice that include hotel bookings?

    Yes. In addition to deals on Massachusetts to Košice flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Massachusetts to Košice?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Massachusetts to Košice.

  • Can I find deals for business class flights from Massachusetts to Košice?

    Yes. Cheapflights offers flight deals from Massachusetts to Košice by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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