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Cheap flights from Massachusetts to Slovakia from $354

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 Slovakia departing on 10/30. 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

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Find the cheapest flights from Massachusetts to Slovakia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Austrian Airlines Logo
6:55 pm - 2:15 pm
BOS
-
KSC
13h 20m
1 stop
Austrian Airlines Logo
5:20 am - 1:30 pm
KSC
-
BOS
14h 10m
1 stop
$811Austrian Airlines
Sun, Nov 15 - Fri, Nov 27
SWISS Logo
5:20 pm - 6:55 pm
BOS
-
KSC
19h 35m
1 stop
SWISS Logo
2:50 pm - 7:55 pm
KSC
-
BOS
11h 05m
1 stop
$817SWISS
Sun, Aug 9 - Wed, Aug 19
SWISS Logo
5:20 pm - 6:25 pm
BOS
-
KSC
19h 05m
1 stop
SWISS Logo
2:50 pm - 7:55 pm
KSC
-
BOS
11h 05m
1 stop
$818SWISS
Mon, Aug 10 - Wed, Aug 19
Austrian Airlines Logo
6:55 pm - 2:15 pm
BOS
-
KSC
13h 20m
1 stop
Austrian Airlines Logo
5:20 am - 5:25 pm
KSC
-
BOS
18h 05m
2 stops
$820Austrian Airlines
Sun, Nov 15 - Fri, Nov 27
Multiple Airlines Logo
9:40 pm - 6:25 pm
BOS
-
KSC
14h 45m
1 stop
Multiple Airlines Logo
5:25 am - 1:50 pm
KSC
-
BOS
14h 25m
1 stop
$823Multiple Airlines
Mon, Aug 10 - Fri, Aug 21
Multiple Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m
1 stop
Multiple Airlines Logo
7:40 pm - 7:55 pm
KSC
-
BOS
30h 15m
1 stop
$828Multiple Airlines
Tue, Aug 11 - Mon, Aug 24
SWISS Logo
5:20 pm - 6:55 pm
BOS
-
KSC
19h 35m
1 stop
SWISS Logo
10:00 am - 7:55 pm
KSC
-
BOS
15h 55m
1 stop
$830SWISS
Sun, Aug 9 - Fri, Aug 21
SWISS Logo
5:20 pm - 6:25 pm
BOS
-
KSC
19h 05m
1 stop
SWISS Logo
7:40 pm - 3:10 pm
KSC
-
BOS
25h 30m
1 stop
$831SWISS
Mon, Aug 10 - Mon, Aug 24
Multiple Airlines Logo
6:55 pm - 2:15 pm
BOS
-
KSC
13h 20m
1 stop
Multiple Airlines Logo
5:20 am - 4:57 pm
KSC
-
BOS
17h 37m
2 stops
$833Multiple Airlines
Sun, Nov 15 - Thu, Nov 26
SWISS Logo
9:50 pm - 9:00 am
BOS
-
KSC
29h 10m
1 stop
SWISS Logo
9:45 am - 8:20 pm
KSC
-
BOS
16h 35m
1 stop
$835SWISS
Wed, Nov 18 - Fri, Nov 27

SWISS flights from Massachusetts to Slovakia

Our best SWISS deals on Massachusetts to Slovakia flight tickets
SWISS
Aug 9
BOS5:20 pmBoston Logan Intl
19h 35m
1 stop
KSC6:55 pmKošice Barca
Aug 19
KSC2:50 pmKošice Barca
11h 05m
1 stop
BOS7:55 pmBoston Logan Intl
$817
SWISS
Aug 10
BOS5:20 pmBoston Logan Intl
19h 05m
1 stop
KSC6:25 pmKošice Barca
Aug 19
KSC2:50 pmKošice Barca
11h 05m
1 stop
BOS7:55 pmBoston Logan Intl
$818
SWISS
Aug 9
BOS5:20 pmBoston Logan Intl
19h 35m
1 stop
KSC6:55 pmKošice Barca
Aug 24
KSC7:40 pmKošice Barca
25h 30m
1 stop
BOS3:10 pmBoston Logan Intl
$830

Lufthansa flights from Massachusetts to Slovakia

Our best Lufthansa deals on Massachusetts to Slovakia flight tickets
Lufthansa
Nov 15
BOS8:40 pmBoston Logan Intl
20h 35m
2 stops
KSC11:15 pmKošice Barca
Nov 25
KSC2:55 pmKošice Barca
33h 40m
2 stops
BOS6:35 pmBoston Logan Intl
$898
Lufthansa
Aug 9
BOS8:05 pmBoston Logan Intl
11h 55m
2 stops
KSC2:00 pmKošice Barca
Aug 18
KSC5:25 amKošice Barca
40h 15m
2 stops
BOS3:40 pmBoston Logan Intl
$906
Lufthansa
Aug 9
BOS8:05 pmBoston Logan Intl
35h 55m
2 stops
KSC2:00 pmKošice Barca
Aug 23
KSC2:55 pmKošice Barca
54h 45m
2 stops
BOS3:40 pmBoston Logan Intl
$927

momondo Fare Finder

 
Customize your flight search to find flights from Massachusetts to Slovakia 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 June 3, 2026.
Use the filters below to find and compare flights from Massachusetts to Slovakia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 11/15

6:55 pm-2:15 pm

1 stop13h 20m

Košice Barca

Fri 11/27

5:20 am-1:30 pm

1 stop14h 10m

$811

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 8/9

5:20 pm-6:55 pm

1 stop19h 35m

Košice Barca

Wed 8/19

2:50 pm-7:55 pm

1 stop11h 05m

$817

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 8/10

5:20 pm-6:25 pm

1 stop19h 05m

Košice Barca

Wed 8/19

2:50 pm-7:55 pm

1 stop11h 05m

$818

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 11/15

6:55 pm-2:15 pm

1 stop13h 20m

Košice Barca

Fri 11/27

5:20 am-5:25 pm

2 stops18h 05m

$820

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 8/10

9:40 pm-6:25 pm

1 stop14h 45m

Košice Barca

Fri 8/21

5:25 am-1:50 pm

1 stop14h 25m

$823

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 8/11

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Mon 8/24

7:40 pm-7:55 pm

1 stop30h 15m

$828

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 8/9

5:20 pm-6:55 pm

1 stop19h 35m

Košice Barca

Fri 8/21

10:00 am-7:55 pm

1 stop15h 55m

$830

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 8/10

5:20 pm-6:25 pm

1 stop19h 05m

Košice Barca

Mon 8/24

7:40 pm-3:10 pm

1 stop25h 30m

$831

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 11/15

6:55 pm-2:15 pm

1 stop13h 20m

Košice Barca

Thu 11/26

5:20 am-4:57 pm

2 stops17h 37m

$833

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 11/18

9:50 pm-9:00 am

1 stop29h 10m

Košice Barca

Fri 11/27

9:45 am-8:20 pm

1 stop16h 35m

$835

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Slovakia from

How to get the cheapest flight ticket from Massachusetts to Slovakia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Massachusetts to Slovakia?

SWISS, Austrian Airlines, and Lufthansa are the most popular carriers operating from Massachusetts to Slovakia

Cheap Massachusetts to Slovakia flight deals and tips

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

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from Massachusetts to Slovakia takes 12h 40m
There are no direct flights from Massachusetts to Slovakia. There are no popular flight routes from Massachusetts to Slovakia.
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Frequently asked questions about flying from Massachusetts to Slovakia

  • When did momondo last update prices for flights from Massachusetts to Slovakia?

    Prices for flights from Massachusetts to Slovakia refresh daily.

  • How old do you have to be to fly from Massachusetts to Slovakia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Slovakia.

  • What documentation or ID do you need to fly to Slovakia?

    The necessary travel and health documents for your Slovakia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Slovakia from Massachusetts is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Slovakia quick and easy, saving you time and money.

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

Flights from Massachusetts to Slovakia 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 Slovakia?

momondo provides multiple filters to help you find the best flight to Slovakia from Massachusetts. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Slovakia from Massachusetts. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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