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Cheap flights from Massachusetts to Košice from $642

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Košice departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Massachusetts to Košice

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:25 pm - 12:40 pm
BOS
-
KSC
13h 15m
1 stop
Multiple Airlines Logo
8:50 pm - 9:05 pm
KSC
-
BOS
30h 15m
2 stops
$642Multiple Airlines
Sat, Sep 26 - Tue, Oct 20
Multiple Airlines Logo
9:15 pm - 6:00 pm
BOS
-
KSC
14h 45m
1 stop
Multiple Airlines Logo
8:50 pm - 9:05 pm
KSC
-
BOS
30h 15m
2 stops
$644Multiple Airlines
Tue, Sep 29 - Tue, Oct 20
Multiple Airlines Logo
5:25 pm - 12:40 pm
BOS
-
KSC
13h 15m
1 stop
Multiple Airlines Logo
8:50 pm - 9:05 pm
KSC
-
BOS
30h 15m
2 stops
$651Multiple Airlines
Sat, Oct 10 - Tue, Oct 20
Multiple Airlines Logo
5:25 pm - 12:40 pm
BOS
-
KSC
13h 15m
1 stop
Multiple Airlines Logo
8:40 pm - 9:05 pm
KSC
-
BOS
30h 25m
2 stops
$712Multiple Airlines
Sat, Sep 26 - Wed, Oct 21
Multiple Airlines Logo
9:15 pm - 6:00 pm
BOS
-
KSC
14h 45m
1 stop
Multiple Airlines Logo
8:40 pm - 9:05 pm
KSC
-
BOS
30h 25m
2 stops
$713Multiple Airlines
Tue, Sep 29 - Wed, Oct 21
Multiple Airlines Logo
5:25 pm - 12:40 pm
BOS
-
KSC
13h 15m
1 stop
Multiple Airlines Logo
8:40 pm - 9:05 pm
KSC
-
BOS
30h 25m
2 stops
$721Multiple Airlines
Sat, Oct 10 - Wed, Oct 21
Multiple Airlines Logo
5:25 pm - 12:40 pm
BOS
-
KSC
13h 15m
1 stop
Multiple Airlines Logo
8:50 pm - 9:45 pm
KSC
-
BOS
30h 55m
2 stops
$764Multiple Airlines
Sat, Oct 3 - Tue, Oct 13
SWISS Logo
9:40 pm - 2:05 pm
BOS
-
KSC
10h 25m
1 stop
SWISS Logo
2:40 pm - 8:20 pm
KSC
-
BOS
11h 40m
1 stop
$769SWISS
Tue, Oct 20 - Wed, Nov 4
Multiple Airlines Logo
10:50 pm - 1:55 pm
BOS
-
KSC
10h 05m
1 stop
Multiple Airlines Logo
5:20 am - 1:30 pm
KSC
-
BOS
14h 10m
1 stop
$771Multiple Airlines
Tue, Oct 27 - Tue, Nov 10
Multiple Airlines Logo
9:40 pm - 9:15 am
BOS
-
KSC
29h 35m
1 stop
Multiple Airlines Logo
2:40 pm - 7:02 pm
KSC
-
BOS
34h 22m
2 stops
$772Multiple Airlines
Wed, Oct 21 - Wed, Nov 4

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SWISS flights from Massachusetts to Košice

Our best SWISS deals on Massachusetts to Košice flight tickets
SWISS
Oct 20
BOS9:40 pmBoston Logan Intl
10h 25m
1 stop
KSC2:05 pmKošice Barca
Nov 4
KSC2:40 pmKošice Barca
11h 40m
1 stop
BOS8:20 pmBoston Logan Intl
$769
SWISS
Oct 18
BOS5:10 pmBoston Logan Intl
19h 45m
1 stop
KSC6:55 pmKošice Barca
Nov 4
KSC2:40 pmKošice Barca
11h 40m
1 stop
BOS8:20 pmBoston Logan Intl
$774
SWISS
Nov 4
BOS9:50 pmBoston Logan Intl
29h 10m
1 stop
KSC9:00 amKošice Barca
Nov 16
KSC7:40 pmKošice Barca
30h 40m
1 stop
BOS8:20 pmBoston Logan Intl
$804

Austrian Airlines flights from Massachusetts to Košice

Our best Austrian Airlines deals on Massachusetts to Košice flight tickets
Austrian Airlines
Oct 27
BOS3:35 pmBoston Logan Intl
17h 40m
2 stops
KSC2:15 pmKošice Barca
Nov 10
KSC5:20 amKošice Barca
14h 10m
1 stop
BOS1:30 pmBoston Logan Intl
$776
Austrian Airlines
Oct 20
BOS5:10 pmBoston Logan Intl
24h 10m
1 stop
KSC11:20 pmKošice Barca
Nov 3
KSC5:20 amKošice Barca
14h 10m
1 stop
BOS1:30 pmBoston Logan Intl
$778
Austrian Airlines
Oct 25
BOS7:55 pmBoston Logan Intl
13h 20m
1 stop
KSC2:15 pmKošice Barca
Nov 10
KSC5:20 amKošice Barca
14h 10m
1 stop
BOS1:30 pmBoston Logan Intl
$783

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts 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, momondo users made 832,500 searches. Data last updated July 20, 2026.
Use the filters below to find and compare flights from Massachusetts to Košice that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 9/26

5:25 pm-12:40 pm

1 stop13h 15m

Košice Barca

Tue 10/20

8:50 pm-9:05 pm

2 stops30h 15m

$642

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 9/29

9:15 pm-6:00 pm

1 stop14h 45m

Košice Barca

Tue 10/20

8:50 pm-9:05 pm

2 stops30h 15m

$644

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 10/10

5:25 pm-12:40 pm

1 stop13h 15m

Košice Barca

Tue 10/20

8:50 pm-9:05 pm

2 stops30h 15m

$651

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 9/26

5:25 pm-12:40 pm

1 stop13h 15m

Košice Barca

Wed 10/21

8:40 pm-9:05 pm

2 stops30h 25m

$712

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 9/29

9:15 pm-6:00 pm

1 stop14h 45m

Košice Barca

Wed 10/21

8:40 pm-9:05 pm

2 stops30h 25m

$713

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 10/10

5:25 pm-12:40 pm

1 stop13h 15m

Košice Barca

Wed 10/21

8:40 pm-9:05 pm

2 stops30h 25m

$721

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 10/3

5:25 pm-12:40 pm

1 stop13h 15m

Košice Barca

Tue 10/13

8:50 pm-9:45 pm

2 stops30h 55m

$764
Quickest round-trip

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 10/20

9:40 pm-2:05 pm

1 stop10h 25m

Košice Barca

Wed 11/4

2:40 pm-8:20 pm

1 stop11h 40m

$769

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 10/27

10:50 pm-1:55 pm

1 stop10h 05m

Košice Barca

Tue 11/10

5:20 am-1:30 pm

1 stop14h 10m

$771

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 10/21

9:40 pm-9:15 am

1 stop29h 35m

Košice Barca

Wed 11/4

2:40 pm-7:02 pm

2 stops34h 22m

$772

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Massachusetts to Košice flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Košice

Fastest flight time

13h 15m

Direct flights

None
The fastest flight from Massachusetts to Košice takes 13h 15m
There are no direct flights from Massachusetts to Košice. There are no popular flight routes from Massachusetts to Košice.
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Frequently asked questions about flying from Massachusetts to Košice

  • When did momondo last update prices for flights from Massachusetts to Košice Barca Airport?

    Prices for flights from Massachusetts to Košice Barca Airport refresh daily.

  • How old do you have to be to fly from Massachusetts to Košice Barca Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Košice Barca Airport.

  • What documentation or ID do you need to fly to Košice Barca Airport?

    The travel and health documents required for your trip to Košice Barca Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Košice Barca Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Massachusetts to Košice

  • How do I get Price Alerts for flights from Massachusetts to Košice?

    Price Alerts will notify you by email when the price for flights to Košice from Massachusetts decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Massachusetts to Košice with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Traveling to a place near Košice?

Book flights to Košice if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Košice?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Košice from Massachusetts.

Can I find flights from Massachusetts to Košice with flexible booking policies on momondo?

Flights from Massachusetts to Košice with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Massachusetts to Košice?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Košice from Massachusetts.

I’m not ready to book a flight from Massachusetts to Košice right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Košice, momondo offers a useful price alert feature which will track prices for flights to Košice from Massachusetts and alert you when they change.

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