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Cheap flights from Boston to Slovakia from $268

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 2/28. 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

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Cheap round-trip flights

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Austrian Airlines Logo
6:25 pm - 2:15 pm
BOS
-
KSC
13h 50m1 stop
Austrian Airlines Logo
2:55 pm - 2:05 pm
KSC
-
BOS
29h 10m1 stop
$630Austrian Airlines
sex, fev 27 - qui, mar 5
Multiple Airlines Logo
6:15 am - 2:15 pm
BOS
-
KSC
26h 00m2 stops
Multiple Airlines Logo
5:20 am - 6:35 pm
KSC
-
BOS
43h 15m2 stops
$659Multiple Airlines
sex, fev 27 - qui, mar 5
Austrian Airlines Logo
6:25 pm - 2:15 pm
BOS
-
KSC
13h 50m1 stop
Austrian Airlines Logo
5:20 am - 5:19 pm
KSC
-
BOS
17h 59m2 stops
$787Austrian Airlines
sex, fev 27 - qui, mar 5
Multiple Airlines Logo
5:35 pm - 2:15 pm
BOS
-
KSC
14h 40m3 stops
Multiple Airlines Logo
2:55 pm - 3:50 pm
KSC
-
BOS
30h 55m3 stops
$847Multiple Airlines
sex, fev 27 - qui, mar 5
Multiple Airlines Logo
6:30 pm - 2:15 pm
BOS
-
KSC
13h 45m2 stops
Multiple Airlines Logo
5:40 pm - 4:50 pm
KSC
-
BOS
29h 10m3 stops
$1,216Multiple Airlines
sex, fev 27 - qui, mar 5
LOT Logo
2:55 pm - 12:10 pm
BOS
-
KSC
39h 15m2 stops
LOT Logo
5:40 pm - 7:41 am
KSC
-
BOS
44h 01m2 stops
$1,491LOT
dom, abr 26 - qui, abr 30
LOT Logo
2:55 pm - 12:10 pm
BOS
-
KSC
39h 15m2 stops
LOT Logo
5:40 pm - 7:41 am
KSC
-
BOS
44h 01m2 stops
$1,561LOT
dom, abr 26 - qui, abr 30
LOT Logo
5:32 pm - 5:05 pm
BOS
-
KSC
17h 33m2 stops
LOT Logo
5:15 am - 7:43 am
KSC
-
BOS
31h 28m2 stops
$4,151LOT
qua, mar 4 - sáb, mar 14
LOT Logo
4:10 pm - 12:10 am
BOS
-
KSC
26h 00m2 stops
LOT Logo
1:05 pm - 12:13 am
KSC
-
BOS
17h 08m2 stops
$4,601LOT
sáb, jan 24 - ter, fev 3
LOT Logo
7:00 pm - 12:30 pm
BOS
-
KSC
35h 30m2 stops
LOT Logo
5:40 pm - 7:43 am
KSC
-
BOS
43h 03m2 stops
$4,699LOT
sáb, mar 7 - qui, mar 12

Austrian Airlines flights from Boston to Slovakia

Our best Austrian Airlines deals on Boston to Slovakia flight tickets
Austrian Airlines
Feb 27
BOS6:25 pmBoston Logan Intl
13h 50m
1 stop
KSC2:15 pmKošice Barca
Mar 5
KSC2:55 pmKošice Barca
29h 10m
1 stop
BOS2:05 pmBoston Logan Intl
$630
Austrian Airlines
Feb 27
BOS6:25 pmBoston Logan Intl
13h 50m
1 stop
KSC2:15 pmKošice Barca
Mar 5
KSC5:20 amKošice Barca
17h 59m
2 stops
BOS5:19 pmBoston Logan Intl
$787
Austrian Airlines
Mar 6
BOS6:25 pmBoston Logan Intl
13h 50m
1 stop
KSC2:15 pmKošice Barca
Mar 12
KSC2:55 pmKošice Barca
29h 10m
1 stop
BOS3:05 pmBoston Logan Intl
$5,950

Lufthansa flights from Boston to Slovakia

Our best Lufthansa deals on Boston to Slovakia flight tickets
Lufthansa
Mar 6
BOS8:40 pmBoston Logan Intl
11h 35m
2 stops
KSC2:15 pmKošice Barca
Mar 13
KSC5:20 amKošice Barca
19h 15m
2 stops
BOS7:35 pmBoston Logan Intl
$5,954
Lufthansa
Mar 6
BOS8:40 pmBoston Logan Intl
11h 35m
2 stops
KSC2:15 pmKošice Barca
Mar 12
KSC2:55 pmKošice Barca
28h 15m
2 stops
BOS2:10 pmBoston Logan Intl
$5,962

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 janeiro 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

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

sex 2/27

6:25 pm-2:15 pm

1 stop13h 50m

Košice Barca

qui 3/5

2:55 pm-2:05 pm

1 stop29h 10m

$630

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

sex 2/27

6:15 am-2:15 pm

2 stops26h 00m

Košice Barca

qui 3/5

5:20 am-6:35 pm

2 stops43h 15m

$659

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

sex 2/27

6:25 pm-2:15 pm

1 stop13h 50m

Košice Barca

qui 3/5

5:20 am-5:19 pm

2 stops17h 59m

$787

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

sex 2/27

5:35 pm-2:15 pm

3 stops14h 40m

Košice Barca

qui 3/5

2:55 pm-3:50 pm

3 stops30h 55m

$847

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

sex 2/27

6:30 pm-2:15 pm

2 stops13h 45m

Košice Barca

qui 3/5

5:40 pm-4:50 pm

3 stops29h 10m

$1,216

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

dom 4/26

2:55 pm-12:10 pm

2 stops39h 15m

Košice Barca

qui 4/30

5:40 pm-7:41 am

2 stops44h 01m

$1,491

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

dom 4/26

2:55 pm-12:10 pm

2 stops39h 15m

Košice Barca

qui 4/30

5:40 pm-7:41 am

2 stops44h 01m

$1,561

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

qua 3/4

5:32 pm-5:05 pm

2 stops17h 33m

Košice Barca

sáb 3/14

5:15 am-7:43 am

2 stops31h 28m

$4,151

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

sáb 1/24

4:10 pm-12:10 am

2 stops26h 00m

Košice Barca

ter 2/3

1:05 pm-12:13 am

2 stops17h 08m

$4,601

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

sáb 3/7

7:00 pm-12:30 pm

2 stops35h 30m

Košice Barca

qui 3/12

5:40 pm-7:43 am

2 stops43h 03m

$4,699

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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

12h 40m

Direct flights

None
The fastest flight from Boston to Slovakia takes 12h 40m
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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