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Cheap flights from Boston to Slovakia from $286

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Slovakia departing on 10/14. 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 Boston to Slovakia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:50 pm - 8:35 pm
BOS
-
BTS
17h 45m
2 stops
Multiple Airlines Logo
11:20 pm - 10:38 pm
BTS
-
BOS
29h 18m
3 stops
$773Multiple Airlines
Mon, Aug 17 - Fri, Aug 21
Multiple Airlines Logo
10:55 pm - 11:25 pm
BOS
-
BTS
18h 30m
1 stop
Multiple Airlines Logo
10:35 am - 9:05 pm
BTS
-
BOS
16h 30m
2 stops
$774Multiple Airlines
Wed, Oct 7 - Wed, Oct 14
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
$780Multiple Airlines
Sat, Oct 3 - Tue, Oct 20
Multiple Airlines Logo
5:25 pm - 12:40 pm
BOS
-
KSC
13h 15m
1 stop
Multiple Airlines Logo
8:25 pm - 6:50 pm
KSC
-
BOS
28h 25m
2 stops
$781Multiple Airlines
Sat, Oct 3 - Mon, Oct 19
Multiple Airlines Logo
5:25 pm - 12:05 pm
BOS
-
BTS
12h 40m
1 stop
Multiple Airlines Logo
12:55 pm - 2:45 pm
BTS
-
BOS
31h 50m
2 stops
$785Multiple Airlines
Fri, Oct 9 - Tue, Oct 13
Multiple Airlines Logo
3:35 pm - 2:00 pm
BOS
-
KSC
16h 25m
2 stops
Multiple Airlines Logo
2:45 pm - 5:40 pm
KSC
-
BOS
32h 55m
2 stops
$800Multiple Airlines
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
9:40 pm - 9:15 am
BOS
-
KSC
29h 35m
1 stop
Multiple Airlines Logo
5:25 am - 6:04 pm
KSC
-
BOS
18h 39m
2 stops
$812Multiple Airlines
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
4:45 pm - 3:00 pm
BOS
-
BTS
16h 15m
2 stops
Multiple Airlines Logo
9:00 am - 2:45 pm
BTS
-
BOS
35h 45m
2 stops
$817Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
SWISS Logo
9:40 pm - 9:15 am
BOS
-
KSC
29h 35m
1 stop
SWISS Logo
2:50 pm - 7:55 pm
KSC
-
BOS
11h 05m
1 stop
$822SWISS
Wed, Oct 14 - Wed, Oct 21
SWISS Logo
9:40 pm - 9:15 am
BOS
-
KSC
29h 35m
1 stop
SWISS Logo
2:50 pm - 7:55 pm
KSC
-
BOS
11h 05m
1 stop
$859SWISS
Wed, Oct 7 - Wed, Oct 21

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Austrian Airlines flights from Boston to Slovakia

Our best Austrian Airlines deals on Boston to Slovakia flight tickets
Austrian Airlines
Oct 7
BOS12:36 pmBoston Logan Intl
19h 24m
2 stops
KSC2:00 pmKošice Barca
Oct 22
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$872
Austrian Airlines
Oct 7
BOS12:36 pmBoston Logan Intl
19h 24m
2 stops
KSC2:00 pmKošice Barca
Oct 19
KSC2:45 pmKošice Barca
34h 21m
2 stops
BOS7:06 pmBoston Logan Intl
$882
Austrian Airlines
Sep 15
BOS5:10 pmBoston Logan Intl
14h 50m
1 stop
KSC2:00 pmKošice Barca
Sep 25
KSC5:25 amKošice Barca
14h 25m
1 stop
BOS1:50 pmBoston Logan Intl
$913

Lufthansa flights from Boston to Slovakia

Our best Lufthansa deals on Boston to Slovakia flight tickets
Lufthansa
Aug 3
BOS8:05 pmBoston Logan Intl
35h 55m
2 stops
KSC2:00 pmKošice Barca
Sep 2
KSC2:45 pmKošice Barca
32h 55m
2 stops
BOS5:40 pmBoston Logan Intl
$920
Lufthansa
Aug 3
BOS8:05 pmBoston Logan Intl
21h 15m
2 stops
KSC11:20 pmKošice Barca
Aug 30
KSC2:55 pmKošice Barca
54h 45m
2 stops
BOS3:40 pmBoston Logan Intl
$948
Lufthansa
Aug 3
BOS8:05 pmBoston Logan Intl
21h 15m
2 stops
KSC11:20 pmKošice Barca
Aug 29
KSC5:25 amKošice Barca
18h 15m
2 stops
BOS5:40 pmBoston Logan Intl
$990

momondo Fare Finder

 
Customize your flight search to find flights from Boston 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 July 8, 2026.
Use the filters below to find and compare flights from Boston 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

Mon 8/17

8:50 pm-8:35 pm

2 stops17h 45m

Bratislava - M. R. Štefánik

Fri 8/21

11:20 pm-10:38 pm

3 stops29h 18m

$773
Quickest round-trip

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 10/7

10:55 pm-11:25 pm

1 stop18h 30m

Bratislava - M. R. Štefánik

Wed 10/14

10:35 am-9:05 pm

2 stops16h 30m

$774

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 10/3

5:25 pm-12:40 pm

1 stop13h 15m

Košice Barca

Tue 10/20

8:50 pm-9:05 pm

2 stops30h 15m

$780

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 10/3

5:25 pm-12:40 pm

1 stop13h 15m

Košice Barca

Mon 10/19

8:25 pm-6:50 pm

2 stops28h 25m

$781

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Fri 10/9

5:25 pm-12:05 pm

1 stop12h 40m

Bratislava - M. R. Štefánik

Tue 10/13

12:55 pm-2:45 pm

2 stops31h 50m

$785

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 8/19

3:35 pm-2:00 pm

2 stops16h 25m

Košice Barca

Mon 8/24

2:45 pm-5:40 pm

2 stops32h 55m

$800

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 10/14

9:40 pm-9:15 am

1 stop29h 35m

Košice Barca

Wed 10/21

5:25 am-6:04 pm

2 stops18h 39m

$812

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 8/18

4:45 pm-3:00 pm

2 stops16h 15m

Bratislava - M. R. Štefánik

Tue 8/25

9:00 am-2:45 pm

2 stops35h 45m

$817

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 10/14

9:40 pm-9:15 am

1 stop29h 35m

Košice Barca

Wed 10/21

2:50 pm-7:55 pm

1 stop11h 05m

$822

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 10/7

9:40 pm-9:15 am

1 stop29h 35m

Košice Barca

Wed 10/21

2:50 pm-7:55 pm

1 stop11h 05m

$859

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Slovakia from

How to get the cheapest flight ticket from Boston 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 Boston Logan Intl to Slovakia?

SWISS and Austrian Airlines are the most popular carriers operating from Boston Logan Intl to Slovakia

Cheap Boston to Slovakia flight deals and tips

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

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from Boston to Slovakia takes 14h 50m
There are no direct flights from Boston to Slovakia. There are no popular flight routes from Boston to Slovakia.
Search flight deals

Frequently asked questions about flying from Boston to Slovakia

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Slovakia?

    Prices for flights from Boston Logan Intl Airport to Slovakia are updated daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to Slovakia?

    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 Boston Logan Intl Airport 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 Boston to Slovakia?

Finding the right flight to Slovakia from Boston 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 Boston to Slovakia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Slovakia from Boston with this policy.

How can momondo help me find flights from Boston to Slovakia?

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 Slovakia from Boston.

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

If you are not ready to book a flight from Boston to Slovakia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Slovakia and let you know when they change.

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