$579+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KSC
Jan 14 — Jan 211
1 adult, Economy
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Best flights from Massachusetts to KošiceDiscover carefully curated flight deals from Massachusetts to Košice that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.
Discover carefully curated flight deals from Massachusetts to Košice that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.
This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:40 pmBOS - KSC
1 stop10h 15mSWISS
Wed 4/292:45 pmKSC - BOS
1 stop11h 10mSWISS
Deal found 12/14![SWISS logo]()
$579
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 pmBOS - KSC
2 stops21h 25mLufthansa
Fri 4/245:25 amKSC - BOS
2 stops18h 15mLufthansa
Deal found 12/13![Lufthansa logo]()
$650
This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:40 pmBOS - KSC
1 stop15h 10mSWISS
Mon 4/277:55 pmKSC - BOS
1 stop30h 00mSWISS
Deal found 12/14![SWISS logo]()
$579
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:05 pmBOS - KSC
2 stops35h 55mLufthansa
Mon 4/272:45 pmKSC - BOS
2 stops32h 55mLufthansa
Deal found 12/13![Lufthansa logo]()
$650
This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:05 pmBOS - KSC
2 stops21h 25mLufthansa
Mon 4/275:25 amKSC - BOS
2 stops42h 15mLufthansa
Deal found 12/14![Lufthansa logo]()
$650
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:05 pmBOS - KSC
2 stops21h 25mLufthansa
Fri 4/245:25 amKSC - BOS
2 stops18h 15mLufthansa
Deal found 12/13![Lufthansa logo]()
$650
This SWISS deal was found by Cheapflights users on 12/15. 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.
Tue 5/125:05 pmBOS - KSC
1 stop14h 50mSWISS
Wed 6/102:45 pmKSC - BOS
1 stop11h 10mSWISS
Deal found 12/15![SWISS logo]()
$724
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:05 pmBOS - KSC
2 stops21h 25mLufthansa
Tue 4/282:45 pmKSC - BOS
2 stops32h 55mLufthansa
Deal found 12/13![Lufthansa logo]()
$650
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 pmBOS - KSC
2 stops35h 55mLufthansa
Mon 4/272:45 pmKSC - BOS
2 stops32h 55mLufthansa
Deal found 12/13![Lufthansa logo]()
$650
This KAYAK deal was found by Cheapflights users on 12/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:05 pmBOS - KSC
2 stops21h 25mLufthansa
Sun 4/262:45 pmKSC - BOS
2 stops55h 10mLufthansa
Deal found 12/13![Lufthansa logo]()
$678
This KAYAK deal was found by Cheapflights users on 12/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/148:05 pmBOS - KSC
2 stops21h 25mLufthansa
Sun 4/262:45 pmKSC - BOS
2 stops55h 10mLufthansa
Deal found 12/14![Lufthansa logo]()
$678
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 December 15, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $579 (KAYAK) |
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 December 15, 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
Tue 4/14
9:40 pm-1:55 pm
1 stop10h 15m
Košice Barca
Wed 4/29
2:45 pm-7:55 pm
1 stop11h 10m
$579
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Sun 4/19
9:40 pm-6:50 pm
1 stop15h 10m
Košice Barca
Mon 4/27
7:55 pm-7:55 pm
1 stop30h 00m
$579
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Tue 4/14
8:05 pm-11:30 pm
2 stops21h 25m
Košice Barca
Fri 4/24
5:25 am-5:40 pm
2 stops18h 15m
$650
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Mon 4/20
8:05 pm-2:00 pm
2 stops35h 55m
Košice Barca
Mon 4/27
2:45 pm-5:40 pm
2 stops32h 55m
$650
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Sun 4/19
8:05 pm-11:30 pm
2 stops21h 25m
Košice Barca
Mon 4/27
5:25 am-5:40 pm
2 stops42h 15m
$650
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Wed 4/15
8:05 pm-11:30 pm
2 stops21h 25m
Košice Barca
Fri 4/24
5:25 am-5:40 pm
2 stops18h 15m
$650
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Sun 4/19
8:05 pm-11:30 pm
2 stops21h 25m
Košice Barca
Tue 4/28
2:45 pm-5:40 pm
2 stops32h 55m
$650
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Tue 4/14
8:05 pm-2:00 pm
2 stops35h 55m
Košice Barca
Mon 4/27
2:45 pm-5:40 pm
2 stops32h 55m
$650
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Sun 4/19
8:05 pm-11:30 pm
2 stops21h 25m
Košice Barca
Sun 4/26
2:45 pm-3:55 pm
2 stops55h 10m
$678
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Tue 4/14
8:05 pm-11:30 pm
2 stops21h 25m
Košice Barca
Sun 4/26
2:45 pm-3:55 pm
2 stops55h 10m
$678
Showing 1-10 of 11 results
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
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