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Cheap flights from Boston to Slovakia from $369

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 7/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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
10:55 pm - 1:10 am
BOS
-
BTS
20h 15m
1 stop
Multiple Airlines Logo
9:10 am - 9:05 pm
BTS
-
BOS
17h 55m
1 stop
$791Multiple Airlines
Wed, Jul 1 - Wed, Jul 15
Multiple Airlines Logo
10:55 pm - 11:25 pm
BOS
-
BTS
18h 30m
1 stop
Multiple Airlines Logo
10:45 pm - 9:45 pm
BTS
-
BOS
29h 00m
1 stop
$801Multiple Airlines
Wed, Jul 1 - Sat, Jul 18
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
$815Multiple Airlines
Wed, Jul 1 - Wed, Jul 15
Multiple Airlines Logo
10:55 pm - 6:35 pm
BOS
-
BTS
13h 40m
2 stops
Multiple Airlines Logo
10:45 pm - 9:45 pm
BTS
-
BOS
29h 00m
1 stop
$825Multiple Airlines
Wed, Jul 1 - Sat, Jul 18
Multiple Airlines Logo
10:55 pm - 1:10 am
BOS
-
BTS
20h 15m
1 stop
Multiple Airlines Logo
10:25 am - 9:45 pm
BTS
-
BOS
17h 20m
2 stops
$841Multiple Airlines
Wed, Jul 1 - Thu, Jul 16
Multiple Airlines Logo
10:55 pm - 1:10 am
BOS
-
BTS
20h 15m
1 stop
Multiple Airlines Logo
9:00 am - 9:45 pm
BTS
-
BOS
18h 45m
1 stop
$842Multiple Airlines
Wed, Jul 1 - Sun, Jul 19
SWISS Logo
5:20 pm - 2:05 pm
BOS
-
KSC
14h 45m
1 stop
SWISS Logo
2:50 pm - 3:10 pm
KSC
-
BOS
30h 20m
1 stop
$936SWISS
Tue, Jul 28 - Wed, Sep 2
Austrian Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m
1 stop
Austrian Airlines Logo
5:25 am - 1:50 pm
KSC
-
BOS
14h 25m
1 stop
$945Austrian Airlines
Tue, Jul 28 - Thu, Sep 3
Austrian Airlines Logo
10:58 am - 2:00 pm
BOS
-
KSC
21h 02m
2 stops
Austrian Airlines Logo
5:25 am - 1:50 pm
KSC
-
BOS
14h 25m
1 stop
$949Austrian Airlines
Mon, Aug 3 - Fri, Aug 28
Austrian Airlines Logo
10:55 am - 2:00 pm
BOS
-
KSC
21h 05m
2 stops
Austrian Airlines Logo
2:45 pm - 7:16 pm
KSC
-
BOS
34h 31m
2 stops
$959Austrian Airlines
Tue, Jul 28 - Tue, Sep 1

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SWISS flights from Boston to Slovakia

Our best SWISS deals on Boston to Slovakia 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
$936
SWISS
Jul 30
BOS5:20 pmBoston Logan Intl
9h 55m
1 stop
KSC9:15 amKošice Barca
Aug 31
KSC7:40 pmKošice Barca
25h 30m
1 stop
BOS3:10 pmBoston Logan Intl
$986
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
$996

Austrian Airlines flights from Boston to Slovakia

Our best Austrian Airlines deals on Boston to Slovakia flight tickets
Austrian Airlines
Jul 28
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
$945
Austrian Airlines
Aug 3
BOS10:58 amBoston Logan Intl
21h 02m
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
BOS5:10 pmBoston Logan Intl
24h 10m
1 stop
KSC11:20 pmKošice Barca
Aug 31
KSC2:45 pmKošice Barca
33h 10m
2 stops
BOS5:55 pmBoston Logan Intl
$955

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 April 28, 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

Wed 7/1

10:55 pm-1:10 am

1 stop20h 15m

Bratislava - M. R. Štefánik

Wed 7/15

9:10 am-9:05 pm

1 stop17h 55m

$791

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 7/1

10:55 pm-11:25 pm

1 stop18h 30m

Bratislava - M. R. Štefánik

Sat 7/18

10:45 pm-9:45 pm

1 stop29h 00m

$801

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 7/1

10:55 pm-11:25 pm

1 stop18h 30m

Bratislava - M. R. Štefánik

Wed 7/15

10:35 am-9:05 pm

2 stops16h 30m

$815

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 7/1

10:55 pm-6:35 pm

2 stops13h 40m

Bratislava - M. R. Štefánik

Sat 7/18

10:45 pm-9:45 pm

1 stop29h 00m

$825

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 7/1

10:55 pm-1:10 am

1 stop20h 15m

Bratislava - M. R. Štefánik

Thu 7/16

10:25 am-9:45 pm

2 stops17h 20m

$841

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 7/1

10:55 pm-1:10 am

1 stop20h 15m

Bratislava - M. R. Štefánik

Sun 7/19

9:00 am-9:45 pm

1 stop18h 45m

$842

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-3:10 pm

1 stop30h 20m

$936
Quickest round-trip

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 7/28

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Thu 9/3

5:25 am-1:50 pm

1 stop14h 25m

$945

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 8/3

10:58 am-2:00 pm

2 stops21h 02m

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

2:45 pm-7:16 pm

2 stops34h 31m

$959

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

11h 55m

Direct flights

None
The fastest flight from Boston to Slovakia takes 11h 55m
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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