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$670+ Cheap flights from Boston (BOS) 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KSC
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$1,095
(Ovago)
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 July 1, 2025.

This Travelocity deal was found by Cheapflights users on 6/29. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/239:40 pmBOS - KSC
1 stop28h 55mSWISS
Fri 10/319:45 amKSC - BOS
1 stop16h 35mSWISS
Deal found 6/29$670
This Austrian Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 8/131:02 pmBOS - KSC
2 stops18h 58mAustrian Airlines
Wed 8/205:25 amKSC - BOS
1 stop14h 25mAustrian Airlines
Deal found 6/29$1,085
This Justfly.com deal was found by Cheapflights users on 6/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/178:05 pmBOS - KSC
2 stops11h 55mMultiple Airlines
Tue 7/225:25 amKSC - BOS
2 stops18h 35mMultiple Airlines
Deal found 6/30$1,123

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 July 1, 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

Thu 10/23

9:40 pm-8:35 am

1 stop28h 55m

Košice Barca

Fri 10/31

9:45 am-9:20 pm

1 stop16h 35m

$670

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 8/13

1:02 pm-2:00 pm

2 stops18h 58m

Košice Barca

Wed 8/20

5:25 am-1:50 pm

1 stop14h 25m

$1,085

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/17

8:05 pm-2:00 pm

2 stops11h 55m

Košice Barca

Tue 7/22

5:25 am-6:00 pm

2 stops18h 35m

$1,123

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 7/26

8:05 pm-2:00 pm

2 stops11h 55m

$3,542

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 8/13

9:40 pm-8:40 am

1 stop29h 00m

$5,393

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

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 July 1, 2025.
See what other customers who have flown with Austrian Airlines from Boston to Košice have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
807 reviews

Entertainment

6.8

Overall

7.6

Comfort

7.3

Boarding

7.6

Crew

8.1

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
807 reviews
Austrian Airlines
7.6
Good
807 reviews

Entertainment

6.8

Overall

7.6

Comfort

7.3

Boarding

7.6

Crew

8.1

Food

6.8

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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 is the cheapest airline to fly from Boston to Košice round-trip?

    According to our current data, Austrian Airlines ($1,095), 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.

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