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$556+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KSC
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Massachusetts to Košice

Keep the following information in mind while searching for Massachusetts to Košice flight deals. Data was last updated June 18, 2025.

Round-trip from

$556
(SWISS)
From Massachusetts to Košice Barca
Search Deals

Find 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 June 18, 2025.

This SWISS deal was found by Cheapflights users on 6/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:55 pmBOS - KSC
1 stop14h 55mSWISS
Fri 11/219:45 amKSC - BOS
1 stop16h 35mSWISS
Deal found 6/16$556
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 11/119:55 pmBOS - KSC
1 stop10h 00mMultiple Airlines
Tue 11/255:20 amKSC - BOS
2 stops17h 55mMultiple Airlines
Deal found 6/18$560
This Austrian Airlines deal was found by Cheapflights users on 6/16. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:25 pmBOS - KSC
1 stop22h 50mAustrian Airlines
Thu 11/202:55 pmKSC - BOS
1 stop29h 10mAustrian Airlines
Deal found 6/16$568
This Lufthansa deal was found by Cheapflights users on 6/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:40 pmBOS - KSC
2 stops35h 35mLufthansa
Tue 11/252:55 pmKSC - BOS
2 stops28h 30mLufthansa
Deal found 6/16$608

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 June 18, 2025.
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

Sun 11/9

9:55 pm-6:50 pm

1 stop14h 55m

Košice Barca

Fri 11/21

9:45 am-8:20 pm

1 stop16h 35m

$556

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 11/11

9:55 pm-1:55 pm

1 stop10h 00m

Košice Barca

Tue 11/25

5:20 am-5:15 pm

2 stops17h 55m

$560

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 11/9

6:25 pm-11:15 pm

1 stop22h 50m

Košice Barca

Thu 11/20

2:55 pm-2:05 pm

1 stop29h 10m

$568

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 11/9

8:40 pm-11:15 pm

2 stops20h 35m

Košice Barca

Fri 11/21

5:20 am-1:25 pm

2 stops14h 05m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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

Rainfall in Košice by month

Plan your trip to Košice by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Košice ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Košice when rainfall is around 0.8 in.

Temperature in Košice by month

Plan your trip to Košice by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Košice, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Košice

Get insights into the airlines that provide service to Košice. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Košice. Reviews last updated June 18, 2025.
LOT
7.6
Good
1,081 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.1

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
LOT
7.6
Good
1,081 reviews
LOT
7.6
Good
1,081 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.1

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Austrian Airlines
7.6
Good
804 reviews
LOT
7.6
Good
1,081 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.1

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
SWISS
7.5
Good
1,632 reviews
LOT
7.6
Good
1,081 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.1

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.
Lufthansa
6.8
Okay
7,158 reviews
LOT
7.6
Good
1,081 reviews

Entertainment

7.0

Overall

7.6

Comfort

7.5

Crew

8.1

Boarding

7.6

Food

7.2

Reviews

1 / 20
10.0
Excellent

Tomasz,Jan 2025

JFK - WAW

The food this time was delicious. Pasta meal with mushroom sauce, cobb salad, and real metal utensils.

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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