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Slovakia

$297+ 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.
BOS — BTS
Mar 2 — Mar 91
Mon 3/2
Mon 3/9
1 adult, Economy
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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 January 31, 2026.

This KAYAK deal was found by Cheapflights users on 1/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
BOS
-
KSC
1 stop15h 15m
SWISS
Mon 8/247:40 pm
KSC
-
BOS
1 stop25h 30m
SWISS
Deal found 1/30$572
This Trip.com deal was found by Cheapflights users on 1/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:40 pm
BOS
-
KSC
1 stop29h 35m
SWISS
Wed 8/262:50 pm
KSC
-
BOS
1 stop11h 05m
SWISS
Deal found 1/30$594
This Travelocity deal was found by Cheapflights users on 1/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/129:40 pm
BOS
-
KSC
1 stop29h 35m
Multiple Airlines
Wed 8/265:25 am
KSC
-
BOS
2 stops18h 15m
Multiple Airlines
Deal found 1/30$605
This Gurufare deal was found by Cheapflights users on 1/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:40 pm
BOS
-
KSC
1 stop10h 25m
Multiple Airlines
Tue 8/255:25 am
KSC
-
BOS
2 stops18h 15m
Multiple Airlines
Deal found 1/30$612
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:40 am
BOS
-
KSC
2 stops21h 20m
Multiple Airlines
Wed 8/265:25 am
KSC
-
BOS
2 stops18h 15m
Multiple Airlines
Deal found 1/30$616
This KAYAK deal was found by Cheapflights users on 1/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:20 pm
BOS
-
KSC
1 stop9h 55m
SWISS
Mon 8/247:40 pm
KSC
-
BOS
1 stop25h 30m
SWISS
Deal found 1/30$622
This KAYAK deal was found by Cheapflights users on 1/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:05 pm
BOS
-
KSC
2 stops35h 55m
Lufthansa
Wed 8/265:25 am
KSC
-
BOS
2 stops18h 15m
Lufthansa
Deal found 1/30$642
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:10 pm
BOS
-
KSC
1 stop14h 50m
Multiple Airlines
Wed 8/265:25 am
KSC
-
BOS
2 stops16h 15m
Multiple Airlines
Deal found 1/30$663
This KAYAK deal was found by Cheapflights users on 1/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:05 pm
BOS
-
KSC
2 stops21h 15m
Lufthansa
Sun 8/232:45 pm
KSC
-
BOS
2 stops54h 55m
Lufthansa
Deal found 1/30$671
This KAYAK deal was found by Cheapflights users on 1/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:20 pm
BOS
-
KSC
1 stop19h 35m
SWISS
Wed 8/262:50 pm
KSC
-
BOS
1 stop11h 05m
SWISS
Deal found 1/30$672
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:05 pm
BOS
-
KSC
2 stops11h 55m
Lufthansa
Wed 8/265:25 am
KSC
-
BOS
2 stops16h 15m
Lufthansa
Deal found 1/30$682
This Lufthansa deal was found by Cheapflights users on 1/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:05 pm
BOS
-
KSC
2 stops11h 55m
Lufthansa
Tue 8/255:25 am
KSC
-
BOS
2 stops18h 15m
Lufthansa
Deal found 1/30$687

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 January 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$712
(KAYAK)

One-way from

$297
(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

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 January 31, 2026.
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

Wed 7/29

9:40 pm-9:15 am

1 stop29h 35m

Košice Barca

Wed 9/2

2:50 pm-7:55 pm

1 stop11h 05m

$712

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/30

5:20 pm-9:15 am

1 stop9h 55m

Košice Barca

Mon 8/31

7:40 pm-7:55 pm

1 stop30h 15m

$762

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/30

5:20 pm-9:15 am

1 stop9h 55m

Košice Barca

Tue 9/1

5:25 am-3:40 pm

2 stops16h 15m

$768

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 4/1

10:50 pm-11:25 pm

1 stop18h 35m

Bratislava - M. R. Štefánik

Sun 4/5

6:55 pm-9:05 pm

1 stop32h 10m

$821

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 7/30

8:05 pm-2:00 pm

2 stops11h 55m

Košice Barca

Mon 8/31

5:25 am-8:10 pm

2 stops20h 45m

$868

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Fri 2/27

5:10 pm-12:25 pm

1 stop13h 15m

Bratislava - M. R. Štefánik

Sat 3/14

9:00 am-3:35 pm

2 stops35h 35m

$921

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 5/26

9:15 pm-6:00 pm

1 stop14h 45m

Košice Barca

Tue 6/9

8:50 pm-9:45 pm

2 stops30h 55m

$933

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sat 5/30

5:25 pm-12:40 pm

1 stop13h 15m

Košice Barca

Tue 6/9

8:50 pm-11:14 pm

2 stops32h 24m

$960

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 5/25

5:25 pm-1:25 pm

2 stops14h 00m

Košice Barca

Sun 6/7

1:05 pm-10:00 pm

1 stop14h 55m

$994

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 5/27

2:15 pm-2:00 pm

2 stops17h 45m

Košice Barca

Wed 6/10

5:25 am-1:50 pm

1 stop14h 25m

$1,056

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 15 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 $868, SWISS 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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Alternative routes for Boston to Slovakia

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