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$301+ Cheap flights from Boston (BOS) to Slovakia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BTS
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find flight deals from Boston to Slovakia

Cheapest flights from Boston to Slovakia
Explore the most affordable flight options available from Boston to Slovakia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:25 pmBOS - KSC
3 stops31h 35mMultiple Airlines
lun. 12/81:05 pmKSC - BOS
3 stops33h 45mMultiple Airlines
Deal found 10/30$808
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/104:20 pmBOS - KSC
2 stops14h 50mMultiple Airlines
lun. 12/151:05 pmKSC - BOS
3 stops31h 00mMultiple Airlines
Deal found 10/30$825
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/279:20 pmBOS - BTS
1 stop18h 05mMultiple Airlines
mié. 12/316:00 amBTS - BOS
1 stop13h 50mMultiple Airlines
Deal found 10/30$844
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/285:05 pmBOS - BTS
2 stops24h 20mMultiple Airlines
mié. 12/316:00 amBTS - BOS
1 stop13h 50mMultiple Airlines
Deal found 10/30$969
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/211:35 amBOS - BTS
3 stops29h 50mMultiple Airlines
mar. 11/42:50 pmBTS - BOS
2 stops33h 15mMultiple Airlines
Deal found 10/29$1,066
This SmartFares deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/109:50 pmBOS - KSC
1 stop29h 10mSWISS
lun. 12/157:40 pmKSC - BOS
1 stop30h 40mSWISS
Deal found 10/30$1,086
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/78:40 pmBOS - BTS
2 stops30h 20mMultiple Airlines
dom. 11/98:10 pmBTS - BOS
1 stop30h 45mMultiple Airlines
Deal found 10/29$1,093
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2810:45 pmBOS - BTS
2 stops17h 45mMultiple Airlines
mar. 12/306:25 amBTS - BOS
1 stop13h 25mMultiple Airlines
Deal found 10/30$1,095
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/275:20 pmBOS - BTS
1 stop22h 05mMultiple Airlines
lun. 12/295:00 pmBTS - BOS
1 stop26h 50mMultiple Airlines
Deal found 10/30$1,121
This Kiwi.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/275:20 pmBOS - BTS
1 stop22h 05mMultiple Airlines
mar. 12/306:25 amBTS - BOS
1 stop13h 25mMultiple Airlines
Deal found 10/30$1,123

Cheap flight deals from Boston to Slovakia

Keep the following information in mind while searching for Boston to Slovakia flight deals. Data was last updated octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$780
(Austrian Airlines)

One-way from

$301
(Kiwi.com)
Provider with most accurate pricing for Boston Logan Intl-Bratislava - M. R. Štefánik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Bratislava - M. R. Štefánik flights.
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From Boston Logan Intl to Slovakia
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One-way flight from Boston Logan Intl to Slovakia
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated octubre 30, 2025.
Use the filters below to find and compare flights from Boston to Slovakia that are best for you.

Fly from

Boston

Fly to

Slovakia

Route

Depart

Return

Price

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

mié. 12/3

7:25 pm-9:00 am

3 stops31h 35m

Košice Barca

lun. 12/8

1:05 pm-4:50 pm

3 stops33h 45m

$808

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

mié. 4/1

8:05 pm-2:00 pm

2 stops11h 55m

Košice Barca

dom. 4/5

2:45 pm-3:55 pm

2 stops55h 10m

$812

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

mié. 12/10

4:20 pm-1:10 pm

2 stops14h 50m

Košice Barca

lun. 12/15

1:05 pm-2:05 pm

3 stops31h 00m

$825

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

mié. 4/1

2:16 pm-2:00 pm

2 stops17h 44m

Košice Barca

dom. 4/5

2:45 pm-1:50 pm

1 stop29h 05m

$844

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

sáb. 12/27

9:20 pm-9:25 pm

1 stop18h 05m

Bratislava - M. R. Štefánik

mié. 12/31

6:00 am-1:50 pm

1 stop13h 50m

$844

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

mié. 12/10

9:50 pm-9:00 am

1 stop29h 10m

Košice Barca

lun. 12/15

7:40 pm-8:20 pm

1 stop30h 40m

$1,086

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

dom. 12/28

10:45 pm-10:30 pm

2 stops17h 45m

Bratislava - M. R. Štefánik

mar. 12/30

6:25 am-1:50 pm

1 stop13h 25m

$1,095

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

sáb. 12/27

5:20 pm-9:25 pm

1 stop22h 05m

Bratislava - M. R. Štefánik

lun. 12/29

5:00 pm-1:50 pm

1 stop26h 50m

$1,121

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

sáb. 12/27

5:20 pm-9:25 pm

1 stop22h 05m

Bratislava - M. R. Štefánik

mar. 12/30

6:25 am-1:50 pm

1 stop13h 25m

$1,123

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

dom. 12/28

9:20 pm-12:50 pm

1 stop33h 30m

Bratislava - M. R. Štefánik

mié. 12/31

6:00 am-1:50 pm

1 stop13h 50m

$1,144

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 14 results
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Best time to book a flight from Boston to Slovakia

Have a flexible travel schedule? Discover the best time to fly to Slovakia from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Slovakia
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Boston to Slovakia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Slovakia?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Slovakia from Boston.

  • How long is the flight from Boston to Slovakia?

    For as low as $812, Lufthansa can have you in Slovakia from Boston in 11h 55m. Airlines will cover a distance of 4203 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Boston to Slovakia that include hotel bookings?

    Yes. In addition to deals on Boston to Slovakia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Slovakia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Slovakia.

  • Can I find deals for business class flights from Boston to Slovakia?

    Yes. Cheapflights offers flight deals from Boston to Slovakia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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