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Cheap flights from Massachusetts to Košice from $319

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Košice departing on 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Massachusetts to Košice

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
9:40 pm - 2:05 pm
BOS
-
KSC
10h 25m
1 stop
SWISS Logo
7:40 pm - 3:10 pm
KSC
-
BOS
25h 30m
1 stop
$751SWISS
Tue, Jul 28 - Mon, Aug 31
Multiple Airlines Logo
9:15 pm - 6:00 pm
BOS
-
KSC
14h 45m
1 stop
Multiple Airlines Logo
6:25 pm - 2:41 pm
KSC
-
BOS
50h 16m
2 stops
$770Multiple Airlines
Tue, May 26 - Wed, Jun 17
Austrian Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m
1 stop
Austrian Airlines Logo
2:45 pm - 1:50 pm
KSC
-
BOS
29h 05m
1 stop
$809Austrian Airlines
Thu, Jul 30 - Tue, Sep 1
Multiple Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m
1 stop
Multiple Airlines Logo
5:25 am - 6:07 pm
KSC
-
BOS
18h 42m
2 stops
$810Multiple Airlines
Thu, Jul 30 - Tue, Sep 1
SWISS Logo
9:40 pm - 2:05 pm
BOS
-
KSC
10h 25m
1 stop
SWISS Logo
9:55 am - 7:55 pm
KSC
-
BOS
16h 00m
1 stop
$811SWISS
Tue, Jul 28 - Sat, Aug 29
Multiple Airlines Logo
10:40 am - 2:00 pm
BOS
-
KSC
21h 20m
2 stops
Multiple Airlines Logo
7:40 pm - 7:55 pm
KSC
-
BOS
30h 15m
1 stop
$812Multiple Airlines
Thu, Jul 30 - Mon, Aug 31
Multiple Airlines Logo
10:40 am - 2:00 pm
BOS
-
KSC
21h 20m
2 stops
Multiple Airlines Logo
5:25 am - 6:07 pm
KSC
-
BOS
18h 42m
2 stops
$817Multiple Airlines
Sat, Aug 1 - Tue, Sep 1
Lufthansa Logo
8:05 pm - 11:20 pm
BOS
-
KSC
21h 15m
2 stops
Lufthansa Logo
5:25 am - 3:40 pm
KSC
-
BOS
16h 15m
2 stops
$828Lufthansa
Tue, Jul 28 - Fri, Aug 28
Multiple Airlines Logo
8:05 pm - 2:00 pm
BOS
-
KSC
11h 55m
2 stops
Multiple Airlines Logo
5:25 am - 6:07 pm
KSC
-
BOS
18h 42m
2 stops
$829Multiple Airlines
Thu, Jul 30 - Tue, Sep 1
Multiple Airlines Logo
8:05 pm - 11:20 pm
BOS
-
KSC
21h 15m
2 stops
Multiple Airlines Logo
7:40 pm - 7:55 pm
KSC
-
BOS
30h 15m
1 stop
$832Multiple Airlines
Fri, Jul 31 - Mon, Aug 31

SWISS flights from Massachusetts to Košice

Our best SWISS deals on Massachusetts to Košice flight tickets
SWISS
Jul 28
BOS9:40 pmBoston Logan Intl
10h 25m
1 stop
KSC2:05 pmKošice Barca
Sep 2
KSC2:50 pmKošice Barca
11h 05m
1 stop
BOS7:55 pmBoston Logan Intl
$751
SWISS
Jul 28
BOS9:40 pmBoston Logan Intl
10h 25m
1 stop
KSC2:05 pmKošice Barca
Aug 29
KSC9:55 amKošice Barca
16h 00m
1 stop
BOS7:55 pmBoston Logan Intl
$811
SWISS
Jul 30
BOS5:20 pmBoston Logan Intl
9h 55m
1 stop
KSC9:15 amKošice Barca
Aug 28
KSC10:00 amKošice Barca
15h 55m
1 stop
BOS7:55 pmBoston Logan Intl
$861

Austrian Airlines flights from Massachusetts to Košice

Our best Austrian Airlines deals on Massachusetts to Košice flight tickets
Austrian Airlines
Jul 30
BOS5:10 pmBoston Logan Intl
14h 50m
1 stop
KSC2:00 pmKošice Barca
Sep 1
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$809
Austrian Airlines
Jul 30
BOS5:10 pmBoston Logan Intl
14h 50m
1 stop
KSC2:00 pmKošice Barca
Aug 30
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$840
Austrian Airlines
Aug 1
BOS5:10 pmBoston Logan Intl
24h 10m
1 stop
KSC11:20 pmKošice Barca
Sep 1
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$870

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 February 28, 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

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 7/28

9:40 pm-2:05 pm

1 stop10h 25m

Košice Barca

Mon 8/31

7:40 pm-3:10 pm

1 stop25h 30m

$751

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 5/26

9:15 pm-6:00 pm

1 stop14h 45m

Košice Barca

Wed 6/17

6:25 pm-2:41 pm

2 stops50h 16m

$770

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/30

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Tue 9/1

2:45 pm-1:50 pm

1 stop29h 05m

$809

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/30

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Tue 9/1

5:25 am-6:07 pm

2 stops18h 42m

$810

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 7/28

9:40 pm-2:05 pm

1 stop10h 25m

Košice Barca

Sat 8/29

9:55 am-7:55 pm

1 stop16h 00m

$811

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/30

10:40 am-2:00 pm

2 stops21h 20m

Košice Barca

Mon 8/31

7:40 pm-7:55 pm

1 stop30h 15m

$812

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 8/1

10:40 am-2:00 pm

2 stops21h 20m

Košice Barca

Tue 9/1

5:25 am-6:07 pm

2 stops18h 42m

$817

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 7/28

8:05 pm-11:20 pm

2 stops21h 15m

Košice Barca

Fri 8/28

5:25 am-3:40 pm

2 stops16h 15m

$828

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/30

8:05 pm-2:00 pm

2 stops11h 55m

Košice Barca

Tue 9/1

5:25 am-6:07 pm

2 stops18h 42m

$829

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Fri 7/31

8:05 pm-11:20 pm

2 stops21h 15m

Košice Barca

Mon 8/31

7:40 pm-7:55 pm

1 stop30h 15m

$832

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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

21h 15m

Direct flights

None
The fastest flight from Massachusetts to Košice takes 21h 15m
There are no direct flights from Massachusetts to Košice. There are no popular flight routes from Massachusetts to Košice.
Search flight deals

  • 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.

  • 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?

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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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