KSC - BOS

$599 Find Cheap Flights from Košice to Boston

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Košice to Boston departing on 6/13. 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.
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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Košice to Boston, 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 Košice to Boston, as well as popular online travel agencies
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Flights Deals

Cheap Flight Deals from Košice to Boston (KSC-BOS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Košice to Boston 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.

Recent round-trip flight deals from Košice to Boston

KAYAK's recommended round-trip deals from the most popular airlines that fly from Košice to Boston.
Discover the best prices for you by selecting your travel dates on KAYAK.
 Logo
9:40 am - 7:55 pmKSC-BOS
16h 15m1 stop
 Logo
8:05 pm - 2:00 pmBOS-KSC
11h 55m2 stops
Fri, Jun 13 - Sat, Sep 13
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9:40 am - 3:25 pmKSC-BOS
11h 45m1 stop
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8:05 pm - 2:00 pmBOS-KSC
11h 55m2 stops
Fri, Jun 13 - Sat, Sep 13
 Logo
9:40 am - 7:55 pmKSC-BOS
16h 15m1 stop
 Logo
5:10 pm - 11:20 pmBOS-KSC
24h 10m1 stop
Fri, Jun 13 - Sat, Sep 13
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9:40 am - 7:55 pmKSC-BOS
16h 15m1 stop
 Logo
5:10 pm - 11:20 pmBOS-KSC
24h 10m1 stop
Fri, Jun 13 - Sat, Sep 13
Austrian Airlines Logo
5:10 am - 1:50 pmKSC-BOS
14h 40m1 stop
Austrian Airlines Logo
5:10 pm - 11:20 pmBOS-KSC
24h 10m1 stop
$658Austrian Airlines
Find Deal
Fri, Jun 13 - Sat, Sep 13
Austrian Airlines Logo
5:10 am - 1:50 pmKSC-BOS
14h 40m1 stop
Austrian Airlines Logo
5:10 pm - 11:20 pmBOS-KSC
24h 10m1 stop
$661Austrian Airlines
Find Deal
Fri, Jun 13 - Sat, Sep 13
SWISS Logo
9:40 am - 7:55 pmKSC-BOS
16h 15m1 stop
SWISS Logo
9:40 pm - 6:50 pmBOS-KSC
15h 10m1 stop
$672SWISS
Find Deal
Fri, Jun 13 - Sun, Sep 14
Lufthansa Logo
5:10 am - 8:10 pmKSC-BOS
21h 00m2 stops
Lufthansa Logo
8:05 pm - 2:00 pmBOS-KSC
11h 55m2 stops
$679Lufthansa
Find Deal
Fri, Jun 13 - Sat, Sep 13
 Logo
9:40 am - 7:55 pmKSC-BOS
16h 15m1 stop
 Logo
8:05 pm - 11:20 pmBOS-KSC
21h 15m2 stops
Fri, Jun 13 - Sun, Sep 14
 Logo
9:40 am - 5:40 pmKSC-BOS
14h 00m2 stops
 Logo
8:05 pm - 11:20 pmBOS-KSC
21h 15m2 stops
Fri, Jun 13 - Sun, Sep 14
Useful Info

KAYAK's insights & trends for Košice to Boston flights

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

Which airlines provide the cheapest flights from Košice to Boston?

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 Košice to Boston were found on Austrian Airlines ($658) and SWISS ($672).

Good to know

Cheapest flight$599
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
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 Košice to Boston

  • What is the cheapest flight from Košice to Boston?

    In the last 3 days, the lowest price for a flight from Košice to Boston was $599 for a round-trip ticket.

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

    Yes

  • Which airports will I be using when flying from Košice to Boston?

    Košice and Boston are both served by 1 main airport. You will leave Košice from Košice Barca and will be arriving at Boston Logan Intl.

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

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

  • Which airline alliances offer flights from Košice to Boston?

    Star Alliance is the only airline alliance operating flights between Košice and Boston.

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

    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 Košice to Boston.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Košice 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 Košice to Boston?

    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 Boston with an airline and back to Košice with another airline. Booking your flights between Košice and BOS 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 Košice to Boston?

    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 Boston from Košice up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top airline flying from Košice to Boston

 
See real verified KAYAK customer reviews for airlines flying from Košice to Boston. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Košice to Boston? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.5
SWISSOverall score based on 1588 reviews
7.0Food
8.2Crew
7.4Comfort
7.6Boarding
6.7Entertainment
Airline reviews

The flight was generally good but was delayed departure meant a very late arrival for a connecting flight.

6.0 GoodSomeone, Apr 2025LHR - ZRH
Read more SWISS reviews

The flight was generally good but was delayed departure meant a very late arrival for a connecting flight.

The staff were nice people, the food was very cheap, one of the meal was a sandwich or nothing, I couldn't buy any food, mind expensive duty free WAS available right away. 🤒

PLEASE DONT TAKE FORCEFULLY(SIZE APPROPRIATE) CARRY ONS FROM PASSENGERS WHO FOR SOME REASON NEED TO KEEP IT

I slept the whole flight so I can't tell you about the food and there was no entertainment offered. Crew was very nice, seats were comfortable in business, and boarding was easy.

I haven't flown Swiss in a long time. I was disappointed that after paying $14,907 for 3 business class seats, we still had to pay another $200 for a single business class seat. All the window seats used to be single seats. Now it's every other one and if you want a single seat it's extra. Also, The double seats do not have pods or any privacy. We landed in Chicago after a long 10 hour flight and our connecting flight was on United. Because we do not have status on Swiss, we were not allowed to use the United lounge, even with business class seats. My father is on crutches and we had a 4 hour layover. No lounge was also disappointing. All of my status is on British Airways so I will go back to flying BA. We flew Swiss because my father did not want to go through Heathrow. On a positive, the crew were super nice and accommodating for my father who had recently had hip replacement surgery. Food was okay. I"m not a good person to critique the food, I never like airplane food.

-Swiss airlines online check in app crashed multiple times -Zurich airport does not have very many bathrooms accessible to people with disabilities - closest disability accessible bathroom to departure gate was 1/4 mile away.

We are glinting with united , but over all very disappointed

Everything was great except food . It as okay not good not bad

Seats are too cramped, but that is a problem with every airline. I actually enjoyed the meal served.

Crammed like sardines into the middle of the middle 4 seat row for an 11 hour flight was a terrible experience. No attempt made to help passengers sleep by dimming lights or shutting window shades. Small mediocre meals. Not enough good movies/TV options. Hopefully we will never have to do this again.

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

Information on your arrival and departure airports

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