How long is the flight from Boston to Slovakia?

For as low as $834, Lufthansa can have you in Slovakia from Boston in 14h 20m. Airlines will cover a distance of 4203 mi.

In terms of precipitation, rainfall in Slovakia ranges from 1.2 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Slovakia when rainfall is around 1.2 in.

If weather is an important factor for your trip to Slovakia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What is the cheapest time of day to fly from BOS to SK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Slovakia as you normally would.

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.

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.

$355+ Flights from Boston to Slovakia

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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 November 17, 2025.

Mon 11/176:05 pmBOS - BTS

2 stops33h 50mMultiple Airlines

Wed 11/197:40 pmBTS - BOS

1 stop31h 15mMultiple Airlines

Deal found 11/17

$1,021

Mon 11/179:50 pmBOS - KSC

3 stops34h 25mMultiple Airlines

Mon 11/242:55 pmKSC - BOS

3 stops33h 40mMultiple Airlines

Deal found 11/16

$1,092

Wed 12/38:40 pmBOS - KSC

2 stops20h 35mLufthansa

Mon 12/82:55 pmKSC - BOS

2 stops52h 30mLufthansa

Deal found 11/16

$1,163

Wed 12/31:35 pmBOS - KSC

2 stops27h 40mAustrian Airlines

Mon 12/82:55 pmKSC - BOS

1 stop29h 10mAustrian Airlines

Deal found 11/16

$1,346

Wed 12/39:50 pmBOS - KSC

1 stop29h 10mSWISS

Mon 12/87:40 pmKSC - BOS

1 stop30h 40mSWISS

Deal found 11/16

$1,365

Sun 11/236:15 amBOS - KSC

3 stops27h 30mMultiple Airlines

Sun 11/302:55 pmKSC - BOS

2 stops53h 57mMultiple Airlines

Deal found 11/17

$1,836

Best flights from Boston to Slovakia
Discover carefully curated flight deals from Boston to Slovakia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 17, 2025.

Sat 4/186:40 pmBOS - KSC

2 stops46h 50mMultiple Airlines

Sun 4/262:45 pmKSC - BOS

2 stops49h 07mMultiple Airlines

Deal found 11/17

$630

Wed 4/15:40 pmBOS - KSC

2 stops14h 20mLufthansa

Sun 4/52:45 pmKSC - BOS

2 stops55h 10mLufthansa

Deal found 11/15

$834

Wed 4/111:17 amBOS - KSC

2 stops20h 43mAustrian Airlines

Sun 4/52:45 pmKSC - BOS

1 stop29h 05mAustrian Airlines

Deal found 11/15

$923

Sat 4/186:40 pmBOS - KSC

2 stops46h 50mMultiple Airlines

Sat 4/252:45 pmKSC - BOS

2 stops32h 55mMultiple Airlines

Deal found 11/17

$660

Fri 4/171:00 pmBOS - KSC

2 stops23h 30mMultiple Airlines

Sun 4/262:45 pmKSC - BOS

2 stops55h 10mMultiple Airlines

Deal found 11/17

$861

Last-minute flights from Boston to Slovakia
Discover last-minute flight deals from Boston to Slovakia. Data last updated November 17, 2025 and is based on user searches.

Mon 11/176:05 pmBOS - BTS

2 stops33h 50mMultiple Airlines

Wed 11/197:40 pmBTS - BOS

1 stop31h 15mMultiple Airlines

Deal found 11/17

$1,021

Mon 11/179:50 pmBOS - KSC

3 stops34h 25mMultiple Airlines

Mon 11/242:55 pmKSC - BOS

3 stops33h 40mMultiple Airlines

Deal found 11/16

$1,092

Sun 11/236:15 amBOS - KSC

3 stops27h 30mMultiple Airlines

Sun 11/302:55 pmKSC - BOS

2 stops53h 57mMultiple Airlines

Deal found 11/17

$1,836

Wed 12/38:40 pmBOS - KSC

2 stops20h 35mLufthansa

Mon 12/82:55 pmKSC - BOS

2 stops52h 30mLufthansa

Deal found 11/16

$1,163

Wed 12/31:35 pmBOS - KSC

2 stops27h 40mAustrian Airlines

Mon 12/82:55 pmKSC - BOS

1 stop29h 10mAustrian Airlines

Deal found 11/16

$1,346

Wed 12/39:50 pmBOS - KSC

1 stop29h 10mSWISS

Mon 12/87:40 pmKSC - BOS

1 stop30h 40mSWISS

Deal found 11/16

$1,365

One-way flights from Boston to Slovakia
Search for one-way flight options from Boston to Slovakia. Find affordable one-way fares based on user searches. Data last updated November 17, 2025.

Mon 11/247:50 pmBOS - BTS

3 stops46h 15mMultiple Airlines

Deal found 11/17

$355

Cheap flight deals from Boston to Slovakia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$630 (Booking.com)
One-way from	$355 (Kiwi.com)

Provider with most accurate pricing for Boston Logan Intl-Bratislava - M. R. Štefánik flight deals.

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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

Search Deals

One-way flight from Boston Logan Intl to Slovakia

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 4/18

6:40 pm-11:30 pm

2 stops46h 50m

Košice Barca

Sun 4/26

2:45 pm-9:52 am

2 stops49h 07m

$630

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 4/18

6:40 pm-11:30 pm

2 stops46h 50m

Košice Barca

Sat 4/25

2:45 pm-5:40 pm

2 stops32h 55m

$660

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 4/1

5:40 pm-2:00 pm

2 stops14h 20m

Košice Barca

Sun 4/5

2:45 pm-3:55 pm

2 stops55h 10m

$834

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Fri 4/17

1:00 pm-6:30 pm

2 stops23h 30m

Košice Barca

Sun 4/26

2:45 pm-3:55 pm

2 stops55h 10m

$861

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 4/1

11:17 am-2:00 pm

2 stops20h 43m

Košice Barca

Sun 4/5

2:45 pm-1:50 pm

1 stop29h 05m

$923

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 11/24

7:50 pm-12:05 am

3 stops46h 15m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

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

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 $834, Lufthansa can have you in Slovakia from Boston in 14h 20m. Airlines will cover a distance of 4203 mi.
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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$355+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Slovakia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Boston to Slovakia

Cheapest flights from Boston to SlovakiaExplore 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 November 17, 2025.

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 November 17, 2025.

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 November 17, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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Use the filters below to find and compare flights from Boston to Slovakia that are best for you.

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.

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Everything you need to know about your flight from Boston to Slovakia

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?

How long is the flight from Boston to Slovakia?

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

How can I find direct flights from Boston to Slovakia?

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

Browse thousands of different options on Cheapflights for your next trip

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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 November 17, 2025.