How long is the flight from Boston to Slovakia?

For as low as $579, SWISS can have you in Slovakia from Boston in 10h 15m. Airlines will cover a distance of 4203 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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.

$268+ Flights from Boston to Slovakia

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Boston to Slovakia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 18, 2025.

Fri 12/195:20 pmBOS - BTS

2 stops25h 20mMultiple Airlines

Sun 12/218:10 pmBTS - BOS

1 stop30h 45mMultiple Airlines

Deal found 12/15

$2,647

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 December 18, 2025.

Tue 4/149:40 pmBOS - KSC

1 stop10h 15mSWISS

Wed 4/292:45 pmKSC - BOS

1 stop30h 45mSWISS

Deal found 12/15

$579

Tue 4/145:10 pmBOS - KSC

1 stop14h 50mAustrian Airlines

Tue 4/282:45 pmKSC - BOS

1 stop29h 05mAustrian Airlines

Deal found 12/15

$591

Thu 3/1911:40 pmBOS - BTS

1 stop12h 55mMultiple Airlines

Mon 4/1310:55 amBTS - BOS

1 stop16h 10mMultiple Airlines

Deal found 12/14

$628

Mon 4/208:05 pmBOS - KSC

2 stops35h 55mLufthansa

Mon 4/272:45 pmKSC - BOS

2 stops32h 55mLufthansa

Deal found 12/15

$650

Sun 4/199:40 pmBOS - KSC

1 stop15h 10mSWISS

Mon 4/277:55 pmKSC - BOS

1 stop25h 35mSWISS

Deal found 12/15

$579

Sun 4/198:05 pmBOS - KSC

2 stops35h 55mLufthansa

Mon 4/272:45 pmKSC - BOS

2 stops32h 55mLufthansa

Deal found 12/15

$650

Wed 4/158:05 pmBOS - KSC

2 stops21h 25mLufthansa

Mon 4/272:45 pmKSC - BOS

2 stops32h 55mLufthansa

Deal found 12/15

$650

Tue 4/148:05 pmBOS - KSC

2 stops21h 25mLufthansa

Sun 4/262:45 pmKSC - BOS

2 stops55h 10mLufthansa

Deal found 12/15

$678

Wed 4/159:40 pmBOS - KSC

1 stop29h 00mSWISS

Wed 4/292:45 pmKSC - BOS

1 stop30h 45mSWISS

Deal found 12/15

$854

Sat 4/188:05 pmBOS - KSC

2 stops21h 25mLufthansa

Sat 4/252:45 pmKSC - BOS

2 stops30h 55mLufthansa

Deal found 12/16

$728

Sun 4/199:40 pmBOS - KSC

1 stop15h 10mSWISS

Sat 4/257:15 pmKSC - BOS

1 stop30h 40mSWISS

Deal found 12/15

$854

Tue 4/148:05 pmBOS - KSC

2 stops21h 25mLufthansa

Sat 4/252:45 pmKSC - BOS

2 stops55h 10mLufthansa

Deal found 12/15

$728

Tue 4/145:05 pmBOS - KSC

1 stop14h 50mSWISS

Sat 4/257:15 pmKSC - BOS

1 stop30h 40mSWISS

Deal found 12/15

$854

Last-minute flights from Boston to Slovakia
Discover last-minute flight deals from Boston to Slovakia. Data last updated December 18, 2025 and is based on user searches.

Fri 12/195:20 pmBOS - BTS

2 stops25h 20mMultiple Airlines

Sun 12/218:10 pmBTS - BOS

1 stop30h 45mMultiple Airlines

Deal found 12/15

$2,647

Thu 1/2912:15 pmBOS - KSC

2 stops30h 00mLOT

Mon 2/21:05 pmKSC - BOS

2 stops17h 08mLOT

Deal found 12/16

$1,200

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 December 18, 2025.

Sat 2/2810:25 pmBOS - BTS

2 stops42h 05mMultiple Airlines

Deal found 12/17

$268

Fri 2/2710:45 pmBOS - BTS

2 stops35h 45mMultiple Airlines

Deal found 12/17

$278

Tue 4/145:10 pmBOS - KSC

1 stop14h 50mAustrian Airlines

Deal found 12/16

$542

Sat 4/188:05 pmBOS - KSC

2 stops21h 25mLufthansa

Deal found 12/16

$685

Wed 4/154:07 pmBOS - KSC

2 stops18h 58mLOT

Deal found 12/16

$852

Thu 4/166:15 amBOS - KSC

2 stops25h 45mMultiple Airlines

Deal found 12/16

$999

Fri 4/176:15 amBOS - KSC

2 stops25h 45mMultiple Airlines

Deal found 12/16

$1,018

Thu 4/165:05 pmBOS - KSC

1 stop10h 10mSWISS

Deal found 12/16

$1,099

Fri 4/175:40 pmBOS - KSC

2 stops14h 20mLufthansa

Deal found 12/16

$1,138

Sun 4/1910:40 amBOS - KSC

2 stops43h 30mLOT

Deal found 12/16

$1,157

Thu 4/165:10 pmBOS - KSC

1 stop14h 50mAustrian Airlines

Deal found 12/16

$1,309

Sat 4/185:10 pmBOS - KSC

1 stop24h 20mAustrian Airlines

Deal found 12/16

$2,404

Find flight deals from Boston to Slovakia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$579 (KAYAK)
One-way from	$268 (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.

Search Deals

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

Tue 4/14

9:40 pm-1:55 pm

1 stop10h 15m

Košice Barca

Wed 4/29

2:45 pm-3:30 pm

1 stop30h 45m

$579

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 4/19

9:40 pm-6:50 pm

1 stop15h 10m

Košice Barca

Mon 4/27

7:55 pm-3:30 pm

1 stop25h 35m

$579

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Tue 4/28

2:45 pm-1:50 pm

1 stop29h 05m

$591

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Thu 3/19

11:40 pm-5:35 pm

1 stop12h 55m

Bratislava - M. R. Štefánik

Mon 4/13

10:55 am-9:05 pm

1 stop16h 10m

$628

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 4/20

8:05 pm-2:00 pm

2 stops35h 55m

Košice Barca

Mon 4/27

2:45 pm-5:40 pm

2 stops32h 55m

$650

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 4/19

8:05 pm-2:00 pm

2 stops35h 55m

Košice Barca

Mon 4/27

2:45 pm-5:40 pm

2 stops32h 55m

$650

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 4/15

8:05 pm-11:30 pm

2 stops21h 25m

Košice Barca

Mon 4/27

2:45 pm-5:40 pm

2 stops32h 55m

$650

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

8:05 pm-11:30 pm

2 stops21h 25m

Košice Barca

Sun 4/26

2:45 pm-3:55 pm

2 stops55h 10m

$678

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 4/18

8:05 pm-11:30 pm

2 stops21h 25m

Košice Barca

Sat 4/25

2:45 pm-3:40 pm

2 stops30h 55m

$728

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 4/14

8:05 pm-11:30 pm

2 stops21h 25m

Košice Barca

Sat 4/25

2:45 pm-3:55 pm

2 stops55h 10m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 26 results

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 $579, SWISS can have you in Slovakia from Boston in 10h 15m. 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boston to Slovakia

Boston to Heathrow flights

Boston to Charles de Gaulle flights

Boston to Leonardo da Vinci/Fiumicino flights

Boston to Dublin flights

Boston to Lisbon flights

Boston to Gatwick flights

Boston to London City flights

Boston to Madrid flights

Boston to Orly flights

Boston to Athens flights

Boston to Barcelona-El Prat flights

Boston to Amsterdam flights

Boston to Stansted flights

Boston to Frankfurt flights

Boston to Istanbul flights

Boston to Zurich flights

Boston to Luton flights

Boston to Edinburgh flights

Boston to Keflavik Intl flights

Boston to Ponta Delgada flights

Boston to Florence flights

Boston to Malpensa flights

Boston to Munich flights

Boston to Vicenza flights

Boston to Beauvais-Tille flights

Boston to Copenhagen flights

Boston to Linate flights

Boston to Naples flights

Boston to Bruxelles-National flights

Boston to Sabiha Gokcen flights

Hartford to Dublin flights

Boston to Geneva flights

Boston to Porto flights

Boston to Shannon flights

Boston to Oslo Gardermoen flights

Boston to Glasgow Intl flights

Boston to Frederic Chopin flights

Boston to Nice flights

Boston to Vienna flights

Boston to Bologna flights

Boston to Prague flights

Boston to Berlin flights

Boston to Duesseldorf Intl flights

Boston to Manchester flights

Boston to Málaga flights

Boston to Tirana flights

Boston to Bergamo flights

Boston to Arlanda flights

Boston to Funchal flights

Boston to Ciampino flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$268+ 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 2/28. 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

Cheap 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 December 18, 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 December 18, 2025.

Find flight deals from Boston to Slovakia

Keep the following information in mind while searching for Boston to Slovakia flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

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.

Cheapflights Insights

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Slovakia

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

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 December 18, 2025.