KSC - BOS

$681 Find Cheap Flights from Košice to Boston - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$681
Typical prices: $635-$716
Multiple Airlines
Sun 11/4Thu 11/8
KSC - BOS • 2 stops
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

Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
2:35 pm - 7:02 pmKSC  Košice Barca-BOS Boston Logan Intl
34h 27m2 stops Zurich Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
5:30 am - 6:55 pmBOS  Boston Logan Intl-KSC Košice Barca
31h 25m2 stops Montreal Pierre Elliott Trudeau Intl Zurich
$681Multiple Airlines
Wed, Nov 4 - Sun, Nov 8
SWISS Logo
2:35 pm - 8:20 pmKSC  Košice Barca-BOS Boston Logan Intl
11h 45m1 stop Zurich
SWISS Logo
9:50 pm - 6:55 pmBOS  Boston Logan Intl-KSC Košice Barca
15h 05m1 stop Zurich
$685SWISS
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
2:55 pm - 5:27 pmKSC  Košice Barca-BOS Boston Logan Intl
32h 32m2 stops Vienna Intl Newark
Multiple Airlines Logo
9:50 pm - 6:55 pmBOS  Boston Logan Intl-KSC Košice Barca
15h 05m1 stop Zurich
$701Multiple Airlines
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
2:35 pm - 3:45 pmKSC  Košice Barca-BOS Boston Logan Intl
31h 10m2 stops Zurich Kastrup Copenhagen
Multiple Airlines Logo
5:35 pm - 11:15 pmBOS  Boston Logan Intl-KSC Košice Barca
23h 40m3 stops Kastrup Copenhagen Zurich Vienna Intl
$1,092Multiple Airlines
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
2:55 pm - 3:45 pmKSC  Košice Barca-BOS Boston Logan Intl
30h 50m3 stops Vienna Intl Zurich Kastrup Copenhagen
Multiple Airlines Logo
5:35 pm - 11:15 pmBOS  Boston Logan Intl-KSC Košice Barca
23h 40m3 stops Kastrup Copenhagen Zurich Vienna Intl
$1,123Multiple 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.

Which airline is the cheapest to fly from Košice to Boston?

SWISS ($685) offered the cheapest round-trip ticket from Košice to Boston in the last 5 days.

Find deals

Key details for Košice to Boston flights

Cheapest flight

$681
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 varied from about $681 to $1,123. That means the highest observed fare was about 64% 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.

More options for your flight from Košice to Boston

Complete your trip to Boston with a hotel stay or car rental

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