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KSC - BOS

$587 Find Cheap Flights from Košice to Boston - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$587
Typical prices: $635-$716
Austrian Airlines
Tue 11/20Tue 11/27
KSC - BOS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Košice and Boston. You'll need to take a connecting flight to reach the destination.
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Top layover airports
Zurich (ZRH)
Cheapest • Avg $633 (round-trip)
Vienna Intl (VIE)
Shortest trip • 21h 08m (one-way)
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Cheap Flights from Košice to Boston (KSC-BOS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Košice to Boston

Fri, Nov 20 - Fri, Nov 27
Austrian Airlines Logo
5:20 am - 1:30 pmKSC  Košice Barca-BOS Boston Logan Intl
14h 10m1 stop Vienna Intl
Austrian Airlines Logo
6:55 pm - 2:15 pmBOS  Boston Logan Intl-KSC Košice Barca
13h 20m1 stop Vienna Intl
$587Austrian Airlines
Fri, Nov 20 - Fri, Nov 27
Multiple Airlines Logo
9:45 am - 7:02 pmKSC  Košice Barca-BOS Boston Logan Intl
15h 17m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:55 pm - 2:15 pmBOS  Boston Logan Intl-KSC Košice Barca
13h 20m1 stop Vienna Intl
$628Multiple Airlines
Fri, Nov 20 - Fri, Nov 27
Multiple Airlines Logo
9:45 am - 9:48 amKSC  Košice Barca-BOS Boston Logan Intl
30h 03m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:35 pm - 2:15 pmBOS  Boston Logan Intl-KSC Košice Barca
37h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl
$668Multiple Airlines
Sat, Oct 24 - Wed, Oct 28
SWISS Logo
9:55 am - 3:10 pmKSC  Košice Barca-BOS Boston Logan Intl
11h 15m1 stop Zurich
SWISS Logo
10:50 pm - 9:00 amBOS  Boston Logan Intl-KSC Košice Barca
29h 10m1 stop Zurich
$832SWISS
Sat, Oct 24 - Wed, Oct 28
Multiple Airlines Logo
9:55 am - 3:10 pmKSC  Košice Barca-BOS Boston Logan Intl
11h 15m1 stop Zurich
Multiple Airlines Logo
9:40 pm - 11:15 pmBOS  Boston Logan Intl-KSC Košice Barca
20h 35m2 stops Munich Franz Josef Strauss Vienna Intl
$859Multiple Airlines
Sat, Oct 24 - Wed, Oct 28
Multiple Airlines Logo
9:55 am - 9:59 pmKSC  Košice Barca-BOS Boston Logan Intl
18h 04m2 stops Zurich Chicago O'Hare Intl
Multiple Airlines Logo
9:40 pm - 11:15 pmBOS  Boston Logan Intl-KSC Košice Barca
20h 35m2 stops Munich Franz Josef Strauss Vienna Intl
$887Multiple Airlines
Fri, Nov 20 - Fri, Nov 27
Multiple Airlines Logo
2:55 pm - 8:15 pmKSC  Košice Barca-BOS Boston Logan Intl
35h 20m2 stops Vienna Intl London Heathrow
Multiple Airlines Logo
10:11 pm - 2:15 pmBOS  Boston Logan Intl-KSC Košice Barca
34h 04m3 stops London Heathrow Munich Franz Josef Strauss Vienna Intl
$1,042Multiple Airlines
Fri, Nov 20 - Fri, Nov 27
Multiple Airlines Logo
5:20 am - 8:15 pmKSC  Košice Barca-BOS Boston Logan Intl
20h 55m3 stops Vienna Intl Zurich Lisbon Humberto Delgado
Multiple Airlines Logo
6:20 pm - 8:05 pmBOS  Boston Logan Intl-KSC Košice Barca
19h 45m3 stops Paris Charles de Gaulle Edinburgh Turnhouse London Stansted
$1,274Multiple Airlines
Sat, Oct 24 - Wed, Oct 28
Multiple Airlines Logo
9:55 am - 2:30 pmKSC  Košice Barca-BOS Boston Logan Intl
34h 35m3 stops Zurich Brussels Bruxelles-National Vienna Intl
Multiple Airlines Logo
10:50 pm - 11:15 pmBOS  Boston Logan Intl-KSC Košice Barca
19h 25m3 stops Zurich Brussels Bruxelles-National Vienna Intl
$1,435Multiple Airlines
Sat, Oct 24 - Wed, Oct 28
Multiple Airlines Logo
9:55 am - 7:50 pmKSC  Košice Barca-BOS Boston Logan Intl
15h 55m2 stops Zurich Paris Charles de Gaulle
Multiple Airlines Logo
11:11 pm - 9:00 amBOS  Boston Logan Intl-KSC Košice Barca
28h 49m3 stops London Heathrow Paris Charles de Gaulle Zurich
$1,739Multiple Airlines
Booking Insights

Price, demand and travel trends for Košice to Boston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Košice to Boston?

Round-trip flights from Košice to Boston typically range from $635 to $716. The lowest price found in the past 5 days was $587, on Austrian Airlines.

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Key details for Košice to Boston flights

Cheapest flight

$587
Round-trip flight from Košice to Boston

When to book flights from Košice to Boston

Are your dates flexible? Find out the best times to travel from Košice to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Košice to Boston flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Košice to Boston?

    Only Economy Class is available on flights from Košice to Boston.

  • How long is a flight from Košice to Boston?

    A nonstop flight from Košice to Boston takes 00m, covering 4,203 miles.

  • Do I need a passport to fly from Košice to Boston?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Košice to Boston flight?

    Round-trip flights from Košice to Boston range from $635 to $716, with an average of $714 over the past 12 months. Anything below $635 counts as a good deal.

  • Have flight prices from Košice to Boston changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $587 to $1,744. That means the highest observed fare was about 3x higher than the lowest one.

  • What car rental options are available at Boston Logan Intl Airport (BOS)?

    Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:

    • Dollar
    • Hertz
    • Budget
    • Thrifty
    • Sixt

  • Which airports can I use when flying from Košice to Boston?

    Flights from Košice to Boston usually depart from Košice Barca (KSC) and arrive at Boston Logan Intl (BOS).

  • Which airports do connecting flights from Košice to Boston pass through?

    Connecting flights from Košice to Boston most commonly pass through:

    • Vienna Intl (VIE) - 75% of one-stop connections
    • Zurich (ZRH) - 25% of one-stop connections

  • Can I save money by using flexible dates for flights from Košice to Boston?

    Yes. Flexible dates can save you up to 12% on flights from Košice to Boston. Friday is the cheapest departure day at $635 round-trip on average, while Tuesday is the most expensive at $714, a difference of $79.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Košice to Boston?

    Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time at 10h 54m, compared with 21h 08m via Vienna Intl (VIE).

  • What is the time difference between Košice and Boston?

    Boston is 6 hours behind Košice (Eastern Time vs Central European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Boston?

    Some of the most popular sights in Boston are TD Garden, Fenway Park and Boston Common. These are among the most viewed places in Boston on KAYAK.

Your guide to booking Košice to Boston flights

Get tips on when to book, when to fly and what to know before your trip.

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