$739+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BTS
Nov 11 — Nov 181
Round-trip
1 adult, Economy
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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
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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
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Best
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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 October 12, 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 October 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Sat 11/218:30 pm -
2 stops23h 00m
Deal found 10/9![Multiple Airlines logo]()
$783
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Wed 11/189:50 am -
2 stops40h 30m
Deal found 10/9![Multiple Airlines logo]()
$786
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Thu 11/199:50 am -
2 stops33h 55m
Deal found 10/9![Multiple Airlines logo]()
$817
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/75:15 pm -
1 stop15h 15m
Sat 11/218:30 pm -
2 stops23h 00m
Deal found 10/9![Multiple Airlines logo]()
$854
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/75:15 pm -
1 stop15h 15m
Wed 11/189:50 am -
2 stops40h 30m
Deal found 10/9![Multiple Airlines logo]()
$857
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:15 pm -
1 stop12h 40m
Sat 1/98:30 pm -
2 stops47h 15m
Deal found 10/10![Multiple Airlines logo]()
$883
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/75:15 pm -
1 stop15h 15m
Thu 11/199:50 am -
2 stops33h 55m
Deal found 10/9![Multiple Airlines logo]()
$888
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Sun 11/1510:05 pm -
2 stops27h 05m
Deal found 10/9![Multiple Airlines logo]()
$920
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Mon 11/210:10 pm -
2 stops29h 15m
Thu 11/1912:20 pm -
1 stop12h 45m
Deal found 10/9![Multiple Airlines logo]()
$928
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 October 12, 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 October 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/75:15 pm -
1 stop15h 15m
Sat 11/218:30 pm -
2 stops23h 00m
Deal found 10/9![Multiple Airlines logo]()
$854
This KAYAK deal was found by Cheapflights users on 10/8. 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 12/256:55 pm -
1 stop13h 20m
Tue 12/292:55 pm -
2 stops33h 32m
Deal found 10/8![Austrian Airlines logo]()
$1,217
This KAYAK deal was found by Cheapflights users on 10/9. 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.
Sat 11/74:05 pm -
2 stops16h 10m
Sun 11/152:55 pm -
2 stops52h 50m
Deal found 10/9![Lufthansa logo]()
$1,274
This Kiwi.com deal was found by Cheapflights users on 10/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:15 pm -
1 stop12h 40m
Sat 1/98:30 pm -
2 stops47h 15m
Deal found 10/10![Multiple Airlines logo]()
$883
This Justfly.com deal was found by Cheapflights users on 10/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:55 pm -
1 stop13h 20m
Sun 12/132:55 pm -
2 stops34h 07m
Deal found 10/10![Multiple Airlines logo]()
$951
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/75:15 pm -
1 stop15h 15m
Tue 11/178:40 pm -
2 stops23h 15m
Deal found 10/9![Multiple Airlines logo]()
$1,010
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/289:20 pm -
1 stop18h 25m
Sun 1/310:05 pm -
2 stops45h 40m
Deal found 10/8![Multiple Airlines logo]()
$1,191
This Justfly.com deal was found by Cheapflights users on 10/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:00 pm -
2 stops20h 15m
Thu 11/195:20 am -
2 stops19h 42m
Deal found 10/9![Multiple Airlines logo]()
$1,342
Last-minute flights from Boston to SlovakiaDiscover last-minute flight deals from Boston to Slovakia. Data last updated October 12, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Slovakia. Data last updated October 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Mon 11/210:10 pm -
2 stops29h 15m
Thu 11/1912:20 pm -
1 stop12h 45m
Deal found 10/9![Multiple Airlines logo]()
$928
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Tue 11/37:50 pm -
2 stops31h 35m
Thu 11/1912:20 pm -
1 stop12h 45m
Deal found 10/9![Multiple Airlines logo]()
$950
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Sat 11/218:30 pm -
2 stops23h 00m
Deal found 10/9![Multiple Airlines logo]()
$783
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Wed 11/189:50 am -
2 stops40h 30m
Deal found 10/9![Multiple Airlines logo]()
$786
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Thu 11/199:50 am -
2 stops33h 55m
Deal found 10/9![Multiple Airlines logo]()
$817
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Sun 11/1510:05 pm -
2 stops27h 05m
Deal found 10/9![Multiple Airlines logo]()
$920
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/45:15 pm -
1 stop12h 40m
Tue 11/178:40 pm -
2 stops23h 15m
Deal found 10/9![Multiple Airlines logo]()
$939
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/75:15 pm -
1 stop15h 15m
Sat 11/218:30 pm -
2 stops23h 00m
Deal found 10/9![Multiple Airlines logo]()
$854
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/75:15 pm -
1 stop15h 15m
Wed 11/189:50 am -
2 stops40h 30m
Deal found 10/9![Multiple Airlines logo]()
$857
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/75:15 pm -
1 stop15h 15m
Thu 11/199:50 am -
2 stops33h 55m
Deal found 10/9![Multiple Airlines logo]()
$888
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 October 12, 2026.
Search for one-way flight options from Boston to Slovakia. Find affordable one-way fares based on user searches. Data last updated October 12, 2026.
This FlightHub deal was found by Cheapflights users on 10/8. 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.
Wed 11/1111:15 am -
2 stops39h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$739
This FlightHub deal was found by Cheapflights users on 10/8. 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.
Wed 11/119:50 pm -
1 stop29h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![SWISS logo]()
$753
This oojo deal was found by Cheapflights users on 10/9. 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 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 10/9![Lufthansa logo]()
$1,064
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 October 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $783 (Kiwi.com) |
One-way from | $739 (FlightHub) |
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 October 12, 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
Wed 11/11
11:15 am-9:00 am
2 stops39h 45m
Košice Barca
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$739
Quickest round-trip
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
$753
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
$753
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Sat 11/7
5:15 pm-2:30 pm
1 stop15h 15m
Košice Barca
Sat 11/21
8:30 pm-1:30 pm
2 stops23h 00m
$854
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Wed 12/30
5:15 pm-11:55 am
1 stop12h 40m
Košice Barca
Sat 1/9
8:30 pm-1:45 pm
2 stops47h 15m
$883
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Fri 12/4
6:55 pm-2:15 pm
1 stop13h 20m
Košice Barca
Sun 12/13
2:55 pm-7:02 pm
2 stops34h 07m
$951
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Sat 11/7
5:15 pm-2:30 pm
1 stop15h 15m
Košice Barca
Tue 11/17
8:40 pm-1:55 pm
2 stops23h 15m
$1,010
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Mon 12/28
9:20 pm-9:45 pm
1 stop18h 25m
Košice Barca
Sun 1/3
10:05 pm-1:45 pm
2 stops45h 40m
$1,191
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Fri 12/25
6:55 pm-2:15 pm
1 stop13h 20m
Košice Barca
Tue 12/29
2:55 pm-6:27 pm
2 stops33h 32m
$1,217
BostonKošice
BOS Boston Logan Intl - KSC Košice Barca
BOSKSC
Boston Logan Intl
Sat 11/7
4:05 pm-2:15 pm
2 stops16h 10m
Košice Barca
Sun 11/15
2:55 pm-1:45 pm
2 stops52h 50m
$1,274
Showing 1-10 of 11 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
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
No data available for this route at this time. Please check back soon.
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