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$255+ Cheap flights from Boston (BOS) to Košice (KSC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KSC
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Boston to Košice

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Košice (KSC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,329
(Kiwi.com)

One-way from

$255
(Kiwi.com)
Provider with most accurate pricing for Boston Logan Intl-Košice Barca flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Košice Barca flights.
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From Boston Logan Intl to Košice Barca
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One-way flight from Boston Logan Intl to Košice Barca
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Find flight deals from Boston to Košice

Cheapest flights from Boston to Košice
Explore the most affordable flight options available from Boston to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Gurufare deal was found by Cheapflights users on 3/26. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:10 pmBOS - KSC
1 stop14h 50mAustrian Airlines
Thu 9/182:45 pmKSC - BOS
1 stop29h 05mAustrian Airlines
Deal found 3/26$1,011
This SWISS deal was found by Cheapflights users on 3/27. 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 7/299:40 pmBOS - KSC
1 stop10h 15mSWISS
Wed 8/272:45 pmKSC - BOS
1 stop30h 40mSWISS
Deal found 3/27$1,021
This Lufthansa deal was found by Cheapflights users on 3/26. 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.
Mon 9/88:05 pmBOS - KSC
2 stops11h 55mLufthansa
Thu 9/185:25 amKSC - BOS
2 stops18h 15mLufthansa
Deal found 3/26$1,025
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:10 pmBOS - KSC
1 stop14h 50mMultiple Airlines
Fri 8/299:40 amKSC - BOS
1 stop16h 15mMultiple Airlines
Deal found 3/27$1,108
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:45 pmBOS - KSC
2 stops28h 35mLOT
Sat 8/305:30 amKSC - BOS
2 stops21h 07mLOT
Deal found 3/27$1,196

Cheapflights Fare Finder

Customize your flight search to find flights from Boston 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 March 28, 2025.
Use the filters below to find and compare flights from Boston to Košice that are best for you.

Fly from

Boston

Fly to

Košice

Route

Depart

Return

Price

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 9/8

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Thu 9/18

2:45 pm-1:50 pm

1 stop29h 05m

$1,011

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 7/29

9:40 pm-1:55 pm

1 stop10h 15m

Košice Barca

Wed 8/27

2:45 pm-3:25 pm

1 stop30h 40m

$1,021

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 9/8

8:05 pm-2:00 pm

2 stops11h 55m

Košice Barca

Thu 9/18

5:25 am-5:40 pm

2 stops18h 15m

$1,025

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/31

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Fri 8/29

9:40 am-7:55 pm

1 stop16h 15m

$1,108

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/31

1:45 pm-12:20 am

2 stops28h 35m

Košice Barca

Sat 8/30

5:30 am-8:37 pm

2 stops21h 07m

$1,196

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/1

6:00 am-9:25 pm

3 stops57h 25m

$302

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/1

9:40 pm-1:55 pm

1 stop10h 15m

$1,606

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Boston to Košice

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Košice in March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Košice flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Košice flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Košice flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Košice flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Košice flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Košice

Have a flexible travel schedule? Discover the best time to fly to Košice from Boston 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 Boston 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 March 28, 2025.
LOT
7.6
Good
1,063 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Comfort

7.5

Overall

7.6

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
1,063 reviews
LOT
7.6
Good
1,063 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Comfort

7.5

Overall

7.6

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
7.5
Good
769 reviews
LOT
7.6
Good
1,063 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Comfort

7.5

Overall

7.6

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
1,570 reviews
LOT
7.6
Good
1,063 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Comfort

7.5

Overall

7.6

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
6.7
Okay
6,956 reviews
LOT
7.6
Good
1,063 reviews

Crew

8.2

Boarding

7.6

Food

7.2

Entertainment

7.0

Comfort

7.5

Overall

7.6

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 Boston to Košice. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Boston to Košice round-trip?

    According to our current data, Lufthansa ($1,449), SWISS ($1,461), and Austrian Airlines ($1,532) offers the cheapest pricing from Boston to Košice.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston 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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Alternative routes for Boston to Košice

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Bratislava flights

Top airline flying from Boston to Košice

Discover the top airline that operate flights from Boston to Košice. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$608Average$1,158FlexibilityNo cancel feeOn-time79%
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