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Cheap flights from Boston to Slovakia from $406

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 7/10. 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 Boston to Slovakia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:40 pm - 3:25 pm
BOS
-
BTS
34h 45m
1 stop
Multiple Airlines Logo
5:05 pm - 9:55 pm
BTS
-
BOS
33h 50m
1 stop
$549Multiple Airlines
Mon, Mar 16 - Sun, Mar 22
Multiple Airlines Logo
11:40 pm - 3:25 pm
BOS
-
BTS
34h 45m
1 stop
Multiple Airlines Logo
9:40 am - 9:55 pm
BTS
-
BOS
17h 15m
1 stop
$571Multiple Airlines
Mon, Mar 16 - Mon, Mar 23
Multiple Airlines Logo
8:50 pm - 7:00 pm
BOS
-
BTS
17h 10m
2 stops
Multiple Airlines Logo
9:40 am - 9:55 pm
BTS
-
BOS
17h 15m
1 stop
$600Multiple Airlines
Sun, Mar 15 - Thu, Mar 19
Multiple Airlines Logo
11:40 pm - 7:15 pm
BOS
-
BTS
14h 35m
1 stop
Multiple Airlines Logo
10:25 am - 9:55 pm
BTS
-
BOS
16h 30m
1 stop
$621Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
Multiple Airlines Logo
6:10 pm - 3:25 pm
BOS
-
BTS
16h 15m
2 stops
Multiple Airlines Logo
9:40 am - 9:55 pm
BTS
-
BOS
17h 15m
1 stop
$643Multiple Airlines
Mon, Mar 16 - Thu, Mar 19
Multiple Airlines Logo
7:05 pm - 2:35 pm
BOS
-
BTS
14h 30m
2 stops
Multiple Airlines Logo
9:40 am - 9:55 pm
BTS
-
BOS
17h 15m
1 stop
$660Multiple Airlines
Tue, Mar 17 - Thu, Mar 19
Multiple Airlines Logo
11:25 pm - 10:50 pm
BOS
-
BTS
18h 25m
2 stops
Multiple Airlines Logo
9:40 am - 9:55 pm
BTS
-
BOS
17h 15m
1 stop
$683Multiple Airlines
Sat, Mar 14 - Thu, Mar 19
Multiple Airlines Logo
11:40 pm - 7:15 pm
BOS
-
BTS
14h 35m
1 stop
Multiple Airlines Logo
9:50 am - 11:35 am
BTS
-
BOS
30h 45m
2 stops
$717Multiple Airlines
Tue, Mar 17 - Tue, Mar 24
LOT Logo
5:00 pm - 12:10 pm
BOS
-
KSC
37h 10m
2 stops
LOT Logo
5:40 pm - 7:41 am
KSC
-
BOS
44h 01m
2 stops
$1,421LOT
Sun, Apr 26 - Thu, Apr 30
LOT Logo
2:55 pm - 12:10 pm
BOS
-
KSC
39h 15m
2 stops
LOT Logo
5:40 pm - 7:41 am
KSC
-
BOS
44h 01m
2 stops
$1,490LOT
Sun, Apr 26 - Thu, Apr 30

SWISS flights from Boston to Slovakia

Our best SWISS deals on Boston to Slovakia flight tickets
SWISS
Apr 14
BOS5:05 pmBoston Logan Intl
15h 00m
1 stop
KSC2:05 pmKošice Barca
Apr 29
KSC2:50 pmKošice Barca
11h 05m
1 stop
BOS7:55 pmBoston Logan Intl
$570
SWISS
Apr 19
BOS9:40 pmBoston Logan Intl
15h 15m
1 stop
KSC6:55 pmKošice Barca
Apr 24
KSC10:00 amKošice Barca
11h 30m
1 stop
BOS3:30 pmBoston Logan Intl
$1,470

Austrian Airlines flights from Boston to Slovakia

Our best Austrian Airlines deals on Boston to Slovakia flight tickets
Austrian Airlines
Apr 14
BOS5:10 pmBoston Logan Intl
24h 10m
1 stop
KSC11:20 pmKošice Barca
Apr 28
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$580
Austrian Airlines
Apr 20
BOS11:17 amBoston Logan Intl
20h 43m
2 stops
KSC2:00 pmKošice Barca
Apr 28
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$584
Austrian Airlines
Apr 14
BOS5:10 pmBoston Logan Intl
24h 10m
1 stop
KSC11:20 pmKošice Barca
Apr 27
KSC2:45 pmKošice Barca
33h 34m
2 stops
BOS6:19 pmBoston Logan Intl
$590

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 January 15, 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

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 3/16

11:40 pm-3:25 pm

1 stop34h 45m

Bratislava - M. R. Štefánik

Sun 3/22

5:05 pm-9:55 pm

1 stop33h 50m

$549

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 3/16

11:40 pm-3:25 pm

1 stop34h 45m

Bratislava - M. R. Štefánik

Mon 3/23

9:40 am-9:55 pm

1 stop17h 15m

$571

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Sun 3/15

8:50 pm-7:00 pm

2 stops17h 10m

Bratislava - M. R. Štefánik

Thu 3/19

9:40 am-9:55 pm

1 stop17h 15m

$600

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 3/17

11:40 pm-7:15 pm

1 stop14h 35m

Bratislava - M. R. Štefánik

Tue 3/24

10:25 am-9:55 pm

1 stop16h 30m

$621

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 3/16

6:10 pm-3:25 pm

2 stops16h 15m

Bratislava - M. R. Štefánik

Thu 3/19

9:40 am-9:55 pm

1 stop17h 15m

$643

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 3/17

7:05 pm-2:35 pm

2 stops14h 30m

Bratislava - M. R. Štefánik

Thu 3/19

9:40 am-9:55 pm

1 stop17h 15m

$660

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Sat 3/14

11:25 pm-10:50 pm

2 stops18h 25m

Bratislava - M. R. Štefánik

Thu 3/19

9:40 am-9:55 pm

1 stop17h 15m

$683

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 3/17

11:40 pm-7:15 pm

1 stop14h 35m

Bratislava - M. R. Štefánik

Tue 3/24

9:50 am-11:35 am

2 stops30h 45m

$717

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 4/26

5:00 pm-12:10 pm

2 stops37h 10m

Košice Barca

Thu 4/30

5:40 pm-7:41 am

2 stops44h 01m

$1,421

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 4/26

2:55 pm-12:10 pm

2 stops39h 15m

Košice Barca

Thu 4/30

5:40 pm-7:41 am

2 stops44h 01m

$1,490

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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?

Lufthansa is the most popular carrier 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

15h 05m

Direct flights

None
The fastest flight from Boston to Slovakia takes 15h 05m
There are no direct flights from Boston to Slovakia. There are no popular flight routes from Boston to Slovakia.
Search flight deals

  • 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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Find better results for your trip to Slovakia

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