BOS - KSC

$542 Find Cheap Flights from Boston to Košice

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Košice departing on 4/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Košice

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Košice, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Košice, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$579
SWISS
Tue 4/14Mon 4/27
BOS - KSC • 1 stop
Cheapest one-way
$542
Austrian Airlines
Tue 4/14
BOS - KSC • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Košice!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Boston to Košice (BOS-KSC)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Košice that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Košice

Tue, Apr 14 - Mon, Apr 27
SWISS Logo
9:40 pm - 1:55 pm
BOS
-
KSC
10h 15m1 stop
SWISS Logo
7:55 pm - 3:30 pm
KSC
-
BOS
25h 35m1 stop
$579SWISS
Tue, Apr 14 - Tue, Apr 28
Austrian Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m1 stop
Austrian Airlines Logo
2:45 pm - 1:50 pm
KSC
-
BOS
29h 05m1 stop
$591Austrian Airlines
Tue, Apr 14 - Tue, Apr 28
Austrian Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m1 stop
Austrian Airlines Logo
2:45 pm - 6:19 pm
KSC
-
BOS
33h 34m2 stops
$601Austrian Airlines
Sat, Apr 18 - Mon, Apr 27
Multiple Airlines Logo
8:05 pm - 11:30 pm
BOS
-
KSC
21h 25m2 stops
Multiple Airlines Logo
7:40 pm - 3:30 pm
KSC
-
BOS
25h 50m1 stop
$642Multiple Airlines
Tue, Apr 14 - Tue, Apr 28
Lufthansa Logo
8:05 pm - 11:30 pm
BOS
-
KSC
21h 25m2 stops
Lufthansa Logo
2:45 pm - 5:40 pm
KSC
-
BOS
32h 55m2 stops
$650Lufthansa
Sat, Apr 18 - Mon, Apr 27
Multiple Airlines Logo
8:05 pm - 11:30 pm
BOS
-
KSC
21h 25m2 stops
Multiple Airlines Logo
7:55 pm - 3:30 pm
KSC
-
BOS
25h 35m1 stop
$652Multiple Airlines
Sat, Apr 18 - Mon, Apr 27
Multiple Airlines Logo
8:05 pm - 11:30 pm
BOS
-
KSC
21h 25m2 stops
Multiple Airlines Logo
2:45 pm - 6:19 pm
KSC
-
BOS
33h 34m2 stops
$659Multiple Airlines
Tue, Apr 14 - Sun, Apr 26
Lufthansa Logo
8:05 pm - 11:30 pm
BOS
-
KSC
21h 25m2 stops
Lufthansa Logo
2:45 pm - 3:55 pm
KSC
-
BOS
55h 10m2 stops
$678Lufthansa
Tue, Apr 14 - Tue, Apr 28
Multiple Airlines Logo
9:25 pm - 6:00 pm
BOS
-
KSC
14h 35m1 stop
Multiple Airlines Logo
8:40 pm - 9:05 pm
KSC
-
BOS
30h 25m2 stops
$689Multiple Airlines
Fri, Apr 17 - Sun, Apr 26
Multiple Airlines Logo
6:15 am - 6:30 pm
BOS
-
KSC
30h 15m2 stops
Multiple Airlines Logo
2:45 pm - 9:52 am
KSC
-
BOS
49h 07m2 stops
$692Multiple Airlines
Booking Insights

KAYAK's insights & trends for Boston to Košice flights

Get data-powered insights and trends into flights from Boston to Košice to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Boston to Košice?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Boston to Košice were found on SWISS ($579) and Austrian Airlines ($591).

Find deals

Good to know

Cheapest flight$542
Flight from Boston to Košice

When to book flights from Boston to Košice

Are your dates flexible? Find out the best times to travel from Boston to Košice based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Košice

  • What is the cheapest flight from Boston to Košice?

    In the last 3 days, the lowest price for a flight from Boston to Košice was $542 for a one-way ticket and $579 for a round-trip.

  • Do I need a passport to fly between Boston and Košice?

    Yes, you’ll need a passport to travel to Košice from Boston.

  • Which aircraft models fly most regularly from Boston to Košice?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Boston to Košice?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Košice.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Košice?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Košice from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Košice?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Košice with an airline and back to Boston with another airline. Booking your flights between Boston and KSC can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Košice?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Košice from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Boston to Košice

Information on your arrival and departure airports

Boston (BOS)
Košice (KSC)