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Cheap flights from Massachusetts to Slovakia from $371

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 5/6. 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 Slovakia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:50 pm - 10:30 pm
BOS
-
BTS
17h 40m
2 stops
Multiple Airlines Logo
12:55 pm - 9:05 pm
BTS
-
BOS
14h 10m
1 stop
$644Multiple Airlines
Thu, Jun 4 - Tue, Jun 9
Multiple Airlines Logo
10:50 pm - 2:05 pm
BOS
-
BTS
33h 15m
1 stop
Multiple Airlines Logo
7:50 pm - 9:05 pm
BTS
-
BOS
31h 15m
2 stops
$677Multiple Airlines
Mon, Jun 1 - Wed, Jun 10
Multiple Airlines Logo
10:50 pm - 6:35 pm
BOS
-
BTS
13h 45m
1 stop
Multiple Airlines Logo
12:55 pm - 9:05 pm
BTS
-
BOS
14h 10m
1 stop
$700Multiple Airlines
Mon, Jun 1 - Tue, Jun 9
Multiple Airlines Logo
10:50 pm - 6:35 pm
BOS
-
BTS
13h 45m
1 stop
Multiple Airlines Logo
8:00 am - 9:05 pm
BTS
-
BOS
19h 05m
2 stops
$704Multiple Airlines
Mon, Jun 1 - Thu, Jun 11
SWISS Logo
5:20 pm - 2:05 pm
BOS
-
KSC
14h 45m
1 stop
SWISS Logo
2:50 pm - 7:55 pm
KSC
-
BOS
11h 05m
1 stop
$935SWISS
Tue, Jul 28 - Wed, Sep 2
Austrian Airlines Logo
10:55 am - 2:00 pm
BOS
-
KSC
21h 05m
2 stops
Austrian Airlines Logo
5:25 am - 1:50 pm
KSC
-
BOS
14h 25m
1 stop
$949Austrian Airlines
Tue, Jul 28 - Fri, Aug 28
Austrian Airlines Logo
10:55 am - 2:00 pm
BOS
-
KSC
21h 05m
2 stops
Austrian Airlines Logo
5:25 am - 5:55 pm
KSC
-
BOS
18h 30m
2 stops
$959Austrian Airlines
Tue, Jul 28 - Tue, Sep 1
Austrian Airlines Logo
5:10 pm - 11:20 pm
BOS
-
KSC
24h 10m
1 stop
Austrian Airlines Logo
2:45 pm - 1:50 pm
KSC
-
BOS
29h 05m
1 stop
$983Austrian Airlines
Sat, Aug 1 - Tue, Sep 1
SWISS Logo
5:20 pm - 9:15 am
BOS
-
KSC
9h 55m
1 stop
SWISS Logo
7:40 pm - 7:55 pm
KSC
-
BOS
30h 15m
1 stop
$985SWISS
Thu, Jul 30 - Mon, Aug 31
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
$995SWISS
Tue, Jul 28 - Sat, Aug 29

SWISS flights from Massachusetts to Slovakia

Our best SWISS deals on Massachusetts to Slovakia flight tickets
SWISS
Jul 28
BOS5:20 pmBoston Logan Intl
14h 45m
1 stop
KSC2:05 pmKošice Barca
Sep 2
KSC2:50 pmKošice Barca
11h 05m
1 stop
BOS7:55 pmBoston Logan Intl
$935
SWISS
Jul 30
BOS5:20 pmBoston Logan Intl
9h 55m
1 stop
KSC9:15 amKošice Barca
Aug 31
KSC7:40 pmKošice Barca
30h 15m
1 stop
BOS7:55 pmBoston Logan Intl
$985
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
$995

Austrian Airlines flights from Massachusetts to Slovakia

Our best Austrian Airlines deals on Massachusetts to Slovakia flight tickets
Austrian Airlines
Jul 28
BOS10:55 amBoston Logan Intl
21h 05m
2 stops
KSC2:00 pmKošice Barca
Aug 28
KSC5:25 amKošice Barca
14h 25m
1 stop
BOS1:50 pmBoston Logan Intl
$949
Austrian Airlines
Jul 28
BOS10:55 amBoston Logan Intl
21h 05m
2 stops
KSC2:00 pmKošice Barca
Sep 1
KSC5:25 amKošice Barca
18h 30m
2 stops
BOS5:55 pmBoston Logan Intl
$959
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
$983

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 April 16, 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

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Thu 6/4

10:50 pm-10:30 pm

2 stops17h 40m

Bratislava - M. R. Štefánik

Tue 6/9

12:55 pm-9:05 pm

1 stop14h 10m

$644

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 6/1

10:50 pm-2:05 pm

1 stop33h 15m

Bratislava - M. R. Štefánik

Wed 6/10

7:50 pm-9:05 pm

2 stops31h 15m

$677

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 6/1

10:50 pm-6:35 pm

1 stop13h 45m

Bratislava - M. R. Štefánik

Tue 6/9

12:55 pm-9:05 pm

1 stop14h 10m

$700

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 6/1

10:50 pm-6:35 pm

1 stop13h 45m

Bratislava - M. R. Štefánik

Thu 6/11

8:00 am-9:05 pm

2 stops19h 05m

$704
Quickest round-trip

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 7/28

5:20 pm-2:05 pm

1 stop14h 45m

Košice Barca

Wed 9/2

2:50 pm-7:55 pm

1 stop11h 05m

$935

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 7/28

10:55 am-2:00 pm

2 stops21h 05m

Košice Barca

Fri 8/28

5:25 am-1:50 pm

1 stop14h 25m

$949

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 7/28

10:55 am-2:00 pm

2 stops21h 05m

Košice Barca

Tue 9/1

5:25 am-5:55 pm

2 stops18h 30m

$959

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 8/1

5:10 pm-11:20 pm

1 stop24h 10m

Košice Barca

Tue 9/1

2:45 pm-1:50 pm

1 stop29h 05m

$983

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/30

5:20 pm-9:15 am

1 stop9h 55m

Košice Barca

Mon 8/31

7:40 pm-7:55 pm

1 stop30h 15m

$985

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

$995

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?

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.
Search flight deals

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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Sat 5/16
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