$371+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BTS
May 16 — May 231
Round-trip
1 adult, Economy
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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 April 16, 2026.
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 April 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Thu 6/410:50 pm
BOS
- BTS
2 stops17h 40m
Multiple Airlines
Tue 6/912:55 pm
BTS
- BOS
1 stop14h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$644
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 6/110:50 pm
BOS
- BTS
1 stop33h 15m
Multiple Airlines
Wed 6/107:50 pm
BTS
- BOS
2 stops31h 15m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$677
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 6/110:50 pm
BOS
- BTS
1 stop13h 45m
Multiple Airlines
Tue 6/912:55 pm
BTS
- BOS
1 stop14h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$700
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 6/110:50 pm
BOS
- BTS
1 stop13h 45m
Multiple Airlines
Thu 6/118:00 am
BTS
- BOS
2 stops19h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$704
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 6/110:50 pm
BOS
- BTS
1 stop13h 45m
Multiple Airlines
Mon 6/810:55 am
BTS
- BOS
1 stop16h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 6/210:50 pm
BOS
- BTS
2 stops26h 45m
Multiple Airlines
Tue 6/912:55 pm
BTS
- BOS
1 stop14h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$714
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 6/210:50 pm
BOS
- BTS
2 stops26h 45m
Multiple Airlines
Mon 6/810:55 am
BTS
- BOS
1 stop16h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$719
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Thu 6/410:50 pm
BOS
- BTS
2 stops17h 40m
Multiple Airlines
Mon 6/810:55 am
BTS
- BOS
1 stop16h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$736
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop19h 45m
Multiple Airlines
Mon 6/810:55 am
BTS
- BOS
1 stop16h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$761
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop29h 40m
Multiple Airlines
Tue 6/912:55 pm
BTS
- BOS
1 stop14h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop29h 40m
Multiple Airlines
Thu 6/118:00 am
BTS
- BOS
2 stops19h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$786
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sun 5/318:50 pm
BOS
- BTS
2 stops16h 10m
Multiple Airlines
Mon 6/89:10 am
BTS
- BOS
1 stop17h 55m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$793
Best flights from Boston to SlovakiaDiscover 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 April 16, 2026.
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 April 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 6/110:50 pm
BOS
- BTS
1 stop13h 45m
Multiple Airlines
Sat 6/612:00 pm
BTS
- BOS
2 stops15h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$852
This SWISS deal was found by Cheapflights users on 4/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/305:20 pm
BOS
- KSC
1 stop9h 55m
SWISS
Mon 8/317:40 pm
KSC
- BOS
1 stop25h 30m
SWISS
Deal found 4/11![SWISS logo]()
$985
This Austrian Airlines deal was found by Cheapflights users on 4/11. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:10 pm
BOS
- KSC
1 stop24h 10m
Austrian Airlines
Tue 9/12:45 pm
KSC
- BOS
1 stop29h 05m
Austrian Airlines
Deal found 4/11![Austrian Airlines logo]()
$1,035
This Lufthansa deal was found by Cheapflights users on 4/11. 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.
Fri 7/3110:00 pm
BOS
- KSC
2 stops19h 20m
Lufthansa
Tue 9/15:25 am
KSC
- BOS
2 stops18h 15m
Lufthansa
Deal found 4/11![Lufthansa logo]()
$1,070
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Fri 5/18:50 pm
BOS
- BTS
2 stops17h 05m
Multiple Airlines
Sun 5/109:00 am
BTS
- BOS
2 stops18h 45m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$865
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/308:05 pm
BOS
- BTS
2 stops12h 50m
Multiple Airlines
Mon 6/810:55 am
BTS
- BOS
1 stop16h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$942
This Austrian Airlines deal was found by Cheapflights users on 4/15. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:10 pm
BOS
- KSC
1 stop14h 50m
Austrian Airlines
Sun 8/302:45 pm
KSC
- BOS
1 stop29h 05m
Austrian Airlines
Deal found 4/15![Austrian Airlines logo]()
$1,043
This Lufthansa deal was found by Cheapflights users on 4/11. 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 7/308:05 pm
BOS
- KSC
2 stops11h 55m
Lufthansa
Sun 8/305:25 am
KSC
- BOS
2 stops18h 15m
Lufthansa
Deal found 4/11![Lufthansa logo]()
$1,108
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 6/110:50 pm
BOS
- BTS
1 stop13h 45m
Multiple Airlines
Fri 6/1211:20 pm
BTS
- BOS
2 stops21h 45m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$957
This Lufthansa deal was found by Cheapflights users on 4/11. 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 7/308:05 pm
BOS
- KSC
2 stops11h 55m
Lufthansa
Mon 8/315:25 am
KSC
- BOS
2 stops18h 15m
Lufthansa
Deal found 4/11![Lufthansa logo]()
$1,108
This Lufthansa deal was found by Cheapflights users on 4/15. 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.
Sat 8/18:05 pm
BOS
- KSC
2 stops11h 55m
Lufthansa
Sun 8/305:25 am
KSC
- BOS
2 stops18h 15m
Lufthansa
Deal found 4/15![Lufthansa logo]()
$1,109
This Mytrip deal was found by Cheapflights users on 4/12. 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.
Sun 5/38:50 pm
BOS
- BTS
2 stops16h 10m
Multiple Airlines
Mon 7/273:55 pm
BTS
- BOS
2 stops34h 25m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$1,017
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Fri 6/55:25 pm
BOS
- BTS
1 stop12h 40m
Multiple Airlines
Mon 6/810:55 am
BTS
- BOS
1 stop16h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,023
This Lufthansa deal was found by Cheapflights users on 4/11. 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.
Fri 7/3110:00 pm
BOS
- KSC
2 stops19h 20m
Lufthansa
Sun 8/305:25 am
KSC
- BOS
2 stops18h 15m
Lufthansa
Deal found 4/11![Lufthansa logo]()
$1,130
This Lufthansa deal was found by Cheapflights users on 4/15. 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.
Sat 8/15:10 pm
BOS
- KSC
1 stop14h 50m
Multiple Airlines
Sun 8/305:25 am
KSC
- BOS
2 stops18h 15m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,073
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop19h 45m
Multiple Airlines
Sat 6/65:50 am
BTS
- BOS
1 stop15h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,088
This Mytrip deal was found by Cheapflights users on 4/12. 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.
Mon 8/2411:00 pm
BOS
- BTS
3 stops17h 35m
Multiple Airlines
Mon 8/3111:15 pm
BTS
- BOS
3 stops24h 52m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$1,105
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Tue 6/211:00 pm
BOS
- BTS
2 stops14h 00m
Multiple Airlines
Sun 6/79:00 am
BTS
- BOS
1 stop19h 00m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$1,140
This Justfly.com deal was found by Cheapflights users on 4/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:00 am
BOS
- KSC
2 stops21h 00m
Multiple Airlines
Wed 9/302:50 pm
KSC
- BOS
1 stop30h 20m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$1,145
Last-minute flights from Boston to SlovakiaDiscover last-minute flight deals from Boston to Slovakia. Data last updated April 16, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Slovakia. Data last updated April 16, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/15. 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.
Thu 4/1610:40 am
BOS
- KSC
3 stops21h 50m
Multiple Airlines
Thu 4/235:25 am
KSC
- BOS
3 stops20h 55m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$2,387
This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Tue 4/218:50 pm
BOS
- BTS
2 stops16h 10m
Multiple Airlines
Tue 4/289:10 am
BTS
- BOS
1 stop17h 55m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$962
This Trip.com deal was found by Cheapflights users on 4/15. 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.
Thu 4/307:00 pm
BOS
- KSC
1 stop15h 20m
Multiple Airlines
Wed 5/64:55 pm
KSC
- BOS
1 stop25h 15m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$967
This Mytrip deal was found by Cheapflights users on 4/14. 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.
Fri 5/18:50 pm
BOS
- BTS
2 stops17h 05m
Multiple Airlines
Sun 5/109:00 am
BTS
- BOS
2 stops18h 45m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$865
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop19h 45m
Multiple Airlines
Mon 6/810:55 am
BTS
- BOS
1 stop16h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$761
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop29h 40m
Multiple Airlines
Tue 6/912:55 pm
BTS
- BOS
1 stop14h 10m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$782
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop29h 40m
Multiple Airlines
Thu 6/118:00 am
BTS
- BOS
2 stops19h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$786
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop19h 45m
Multiple Airlines
Wed 6/107:50 pm
BTS
- BOS
2 stops31h 15m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$810
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sat 5/3010:50 pm
BOS
- BTS
1 stop29h 40m
Multiple Airlines
Sat 6/612:00 pm
BTS
- BOS
2 stops15h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$948
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sun 5/318:50 pm
BOS
- BTS
2 stops16h 10m
Multiple Airlines
Mon 6/89:10 am
BTS
- BOS
1 stop17h 55m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$793
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Sun 5/3111:00 pm
BOS
- BTS
2 stops14h 00m
Multiple Airlines
Sat 6/69:00 am
BTS
- BOS
1 stop18h 05m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$972
One-way flights from Boston to SlovakiaSearch for one-way flight options from Boston to Slovakia. Find affordable one-way fares based on user searches. Data last updated April 16, 2026.
Search for one-way flight options from Boston to Slovakia. Find affordable one-way fares based on user searches. Data last updated April 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Wed 5/68:50 pm
BOS
- BTS
3 stops58h 35m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Fri 9/48:50 pm
BOS
- KSC
3 stops36h 35m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$415
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Thu 5/2810:45 am
BOS
- BTS
2 stops30h 10m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$464
This Cheapflightsfares deal was found by Cheapflights users on 4/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:10 pm
BOS
- KSC
1 stop14h 50m
Austrian Airlines
Deal found 4/13![Austrian Airlines logo]()
$729
This Orbitz deal was found by Cheapflights users on 4/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:05 pm
BOS
- KSC
2 stops11h 55m
Lufthansa
Deal found 4/13![Lufthansa logo]()
$775
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 April 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $644 (Kiwi.com) |
One-way from | $371 (Kiwi.com) |
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 April 16, 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
Cheapest round-trip
Quickest round-trip
BostonBratislava
BOS - BTS
BOSBTS
Boston Logan Intl
Mon 6/1
10:50 pm-6:35 pm
1 stop13h 45m
Bratislava - M. R. Štefánik
Sat 6/6
12:00 pm-9:05 pm
2 stops15h 05m
$852
BostonBratislava
BOS - BTS
BOSBTS
Boston Logan Intl
Fri 5/1
8:50 pm-7:55 pm
2 stops17h 05m
Bratislava - M. R. Štefánik
Sun 5/10
9:00 am-9:45 pm
2 stops18h 45m
$865
BostonBratislava
BOS - BTS
BOSBTS
Boston Logan Intl
Sat 5/30
8:05 pm-2:55 pm
2 stops12h 50m
Bratislava - M. R. Štefánik
Mon 6/8
10:55 am-9:05 pm
1 stop16h 10m
$942
BostonBratislava
BOS - BTS
BOSBTS
Boston Logan Intl
Mon 6/1
10:50 pm-6:35 pm
1 stop13h 45m
Bratislava - M. R. Štefánik
Fri 6/12
11:20 pm-3:05 pm
2 stops21h 45m
$957
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-3:10 pm
1 stop25h 30m
$985
BostonBratislava
BOS - BTS
BOSBTS
Boston Logan Intl
Sun 5/3
8:50 pm-7:00 pm
2 stops16h 10m
Bratislava - M. R. Štefánik
Mon 7/27
3:55 pm-8:20 pm
2 stops34h 25m
$1,017
BostonBratislava
BOS - BTS
BOSBTS
Boston Logan Intl
Fri 6/5
5:25 pm-12:05 pm
1 stop12h 40m
Bratislava - M. R. Štefánik
Mon 6/8
10:55 am-9:05 pm
1 stop16h 10m
$1,023
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Sat 8/1
5:10 pm-11:20 pm
1 stop24h 10m
Košice Barca
Tue 9/1
2:45 pm-1:50 pm
1 stop29h 05m
$1,035
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Sat 8/1
5:10 pm-2:00 pm
1 stop14h 50m
Košice Barca
Sun 8/30
2:45 pm-1:50 pm
1 stop29h 05m
$1,043
BostonKošice
BOS - KSC
BOSKSC
Boston Logan Intl
Fri 7/31
10:00 pm-11:20 pm
2 stops19h 20m
Košice Barca
Tue 9/1
5:25 am-5:40 pm
2 stops18h 15m
$1,070
Showing 1-10 of 24 resultsSorted by cheapest first
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.
BOS-BTS
BOS-KSC
Estimated round-trip price
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Everything you need to know about your flight from Boston to Slovakia
BOS-SK0
BOS-BTS
BOS-KSC
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