$336+ Cheap flights from Boston (BOS) to Slovakia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BTS
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Slovakia with Cheapflights
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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
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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 September 11, 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 September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/185:15 pm -
1 stop12h 40m
Thu 11/2612:20 pm -
2 stops35h 30m
Deal found 9/9![Multiple Airlines logo]()
$787
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/185:15 pm -
1 stop12h 40m
Sun 11/292:55 pm -
2 stops32h 55m
Deal found 9/9![Multiple Airlines logo]()
$788
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:50 pm -
1 stop15h 05m
Fri 11/279:45 am -
1 stop16h 35m
Deal found 9/9![SWISS logo]()
$795
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:25 am -
2 stops26h 30m
Fri 11/279:45 am -
1 stop16h 35m
Deal found 9/9![Multiple Airlines logo]()
$798
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/149:20 pm -
1 stop11h 10m
Thu 11/2612:20 pm -
2 stops35h 30m
Deal found 9/9![Multiple Airlines logo]()
$809
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/149:20 pm -
1 stop11h 10m
Sun 11/292:55 pm -
2 stops32h 55m
Deal found 9/9![Multiple Airlines logo]()
$810
This FlightHub deal was found by Cheapflights users on 9/8. 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.
Sun 11/156:55 pm -
1 stop13h 20m
Thu 11/265:20 am -
2 stops19h 42m
Deal found 9/8![Multiple Airlines logo]()
$825
This FlightHub deal was found by Cheapflights users on 9/8. 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.
Sun 11/156:55 pm -
1 stop22h 20m
Thu 11/262:55 pm -
1 stop28h 35m
Deal found 9/8![Austrian Airlines logo]()
$826
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Sat 10/310:05 am -
2 stops28h 55m
Tue 10/612:15 pm -
3 stops32h 30m
Deal found 9/9![Multiple Airlines logo]()
$829
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 12/165:15 pm -
1 stop20h 45m
Sat 1/27:05 am -
2 stops33h 35m
Deal found 9/7![Multiple Airlines logo]()
$1,092
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 12/165:15 pm -
1 stop20h 45m
Sun 1/312:00 pm -
2 stops35h 50m
Deal found 9/7![Multiple Airlines logo]()
$1,148
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 September 11, 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 September 11, 2026.
This Austrian Airlines deal was found by Cheapflights users on 9/9. 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.
Sun 11/156:55 pm -
1 stop22h 20m
Thu 11/262:55 pm -
1 stop28h 35m
Deal found 9/9![Austrian Airlines logo]()
$829
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Sat 10/310:05 am -
2 stops28h 55m
Tue 10/612:15 pm -
3 stops32h 30m
Deal found 9/9![Multiple Airlines logo]()
$829
This Lufthansa deal was found by Cheapflights users on 9/9. 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.
Sun 11/154:05 pm -
2 stops25h 10m
Thu 11/265:20 am -
2 stops19h 15m
Deal found 9/9![Lufthansa logo]()
$905
This Austrian Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 11/162:40 pm -
2 stops17h 35m
Thu 11/262:55 pm -
1 stop28h 35m
Deal found 9/9![Austrian Airlines logo]()
$864
This KAYAK deal was found by Cheapflights users on 9/8. 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.
Wed 11/1812:00 pm -
2 stops29h 15m
Thu 11/262:55 pm -
2 stops32h 32m
Deal found 9/8![Austrian Airlines logo]()
$879
This Justfly.com deal was found by Cheapflights users on 9/6. 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.
Sun 10/45:10 pm -
1 stop19h 45m
Sun 10/182:45 pm -
2 stops54h 55m
Deal found 9/6![Multiple Airlines logo]()
$1,042
This KAYAK deal was found by Cheapflights users on 9/8. 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.
Tue 11/172:40 pm -
2 stops17h 35m
Thu 11/262:55 pm -
2 stops32h 32m
Deal found 9/8![Austrian Airlines logo]()
$879
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 12/165:15 pm -
1 stop20h 45m
Sat 1/27:05 am -
2 stops33h 35m
Deal found 9/7![Multiple Airlines logo]()
$1,092
This KAYAK deal was found by Cheapflights users on 9/8. 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.
Fri 11/136:55 pm -
1 stop13h 20m
Thu 11/262:55 pm -
1 stop28h 35m
Deal found 9/8![Austrian Airlines logo]()
$904
This KAYAK deal was found by Cheapflights users on 9/9. 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 11/1212:00 pm -
2 stops20h 15m
Thu 11/262:55 pm -
2 stops32h 32m
Deal found 9/9![Austrian Airlines logo]()
$919
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 12/165:15 pm -
1 stop20h 45m
Sun 1/312:00 pm -
2 stops35h 50m
Deal found 9/7![Multiple Airlines logo]()
$1,148
This KAYAK deal was found by Cheapflights users on 9/9. 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 11/1212:00 pm -
2 stops20h 15m
Fri 11/275:20 am -
2 stops18h 07m
Deal found 9/9![Austrian Airlines logo]()
$919
This Austrian Airlines deal was found by Cheapflights users on 9/8. 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.
Sun 11/156:55 pm -
1 stop13h 20m
Sat 11/282:55 pm -
1 stop28h 35m
Deal found 9/8![Austrian Airlines logo]()
$1,034
This Austrian Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 11/162:40 pm -
2 stops17h 35m
Sat 11/282:55 pm -
1 stop28h 35m
Deal found 9/9![Austrian Airlines logo]()
$1,064
Last-minute flights from Boston to SlovakiaDiscover last-minute flight deals from Boston to Slovakia. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Slovakia. Data last updated September 11, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Sat 10/310:05 am -
2 stops28h 55m
Tue 10/612:15 pm -
3 stops32h 30m
Deal found 9/9![Multiple Airlines logo]()
$829
This Mytrip deal was found by Cheapflights users on 9/9. 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.
Sat 10/35:25 pm -
1 stop13h 15m
Tue 10/63:10 pm -
2 stops35h 10m
Deal found 9/9![Multiple Airlines logo]()
$1,079
This Justfly.com deal was found by Cheapflights users on 9/6. 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.
Sun 10/48:05 pm -
2 stops35h 55m
Sun 10/182:45 pm -
2 stops54h 55m
Deal found 9/6![Lufthansa logo]()
$1,035
This Justfly.com deal was found by Cheapflights users on 9/6. 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.
Sun 10/45:10 pm -
1 stop19h 45m
Sun 10/182:45 pm -
2 stops54h 55m
Deal found 9/6![Multiple Airlines logo]()
$1,042
This FlightHub deal was found by Cheapflights users on 9/7. 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.
Sun 10/47:00 pm -
2 stops35h 10m
Sun 10/183:05 pm -
2 stops22h 54m
Deal found 9/7![LOT logo]()
$1,445
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:36 pm -
2 stops19h 24m
Sun 10/182:45 pm -
1 stop29h 05m
Deal found 9/10![Austrian Airlines logo]()
$1,664
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 September 11, 2026.
Search for one-way flight options from Boston to Slovakia. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/289:30 pm -
1 stop16h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 9/298:50 pm -
2 stops15h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 12/238:40 pm -
2 stops35h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$463
This oojo deal was found by Cheapflights users on 9/6. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:41 pm -
3 stops21h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Lufthansa logo]()
$720
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:00 pm -
2 stops20h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Austrian Airlines logo]()
$723
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:50 pm -
1 stop29h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![SWISS logo]()
$756
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $787 (Kiwi.com) |
One-way from | $336 (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 7,457,451 searches. Data last updated September 11, 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
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Mon 9/28
9:30 pm-8:15 pm
1 stop16h 45m
Košice Barca
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$336
Quickest round-trip
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Tue 9/29
8:50 pm-6:00 pm
2 stops15h 10m
Košice Barca
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$350
BostonBratislava
BOS Boston Logan Intl - BTS Bratislava - M. R. Štefánik
BOSBTS
Boston Logan Intl
Wed 12/23
4:05 pm-10:30 pm
3 stops24h 25m
Bratislava - M. R. Štefánik
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$470
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Wed 11/11
7:41 pm-11:15 pm
3 stops21h 34m
Košice Barca
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$720
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Wed 11/11
12:00 pm-2:15 pm
2 stops20h 15m
Košice Barca
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$723
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Wed 11/11
9:50 pm-9:00 am
1 stop29h 10m
Košice Barca
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$756
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Sun 11/15
6:55 pm-11:15 pm
1 stop22h 20m
Košice Barca
Thu 11/26
2:55 pm-1:30 pm
1 stop28h 35m
$829
BostonBratislava
BOS Boston Logan Intl - BTS Bratislava - M. R. Štefánik
BOSBTS
Boston Logan Intl
Sat 10/3
10:05 am-9:00 pm
2 stops28h 55m
Bratislava - M. R. Štefánik
Tue 10/6
12:15 pm-2:45 pm
3 stops32h 30m
$829
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Mon 11/16
2:40 pm-2:15 pm
2 stops17h 35m
Košice Barca
Thu 11/26
2:55 pm-1:30 pm
1 stop28h 35m
$864
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Wed 11/18
12:00 pm-11:15 pm
2 stops29h 15m
Košice Barca
Thu 11/26
2:55 pm-5:27 pm
2 stops32h 32m
$879
Showing 1-10 of 20 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-KSC
BOS-BTS
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
BOS-SK0
BOS-KSC
BOS-BTS
No data available for this route at this time. Please check back soon.
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