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$515+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BTS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 17, 2025.

Round-trip from

$515
(Mytrip)
From Boston Logan Intl to Slovakia
Search Deals

Find 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 September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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 10/164:45 pmBOS - BTS
2 stops23h 45mMultiple Airlines
Tue 10/2111:25 pmBTS - BOS
2 stops26h 30mMultiple Airlines
Deal found 9/16$515
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/24:00 pmBOS - BTS
2 stops16h 50mMultiple Airlines
Mon 10/610:15 pmBTS - BOS
2 stops21h 40mMultiple Airlines
Deal found 9/15$520
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/96:25 pmBOS - KSC
1 stop13h 50mAustrian Airlines
Fri 11/215:20 amKSC - BOS
1 stop14h 45mAustrian Airlines
Deal found 9/17$550
This Expedia deal was found by Cheapflights users on 9/17. 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 11/99:50 pmBOS - KSC
1 stop15h 00mMultiple Airlines
Fri 11/219:45 amKSC - BOS
2 stops17h 42mMultiple Airlines
Deal found 9/17$569
This KAYAK deal was found by Cheapflights users on 9/17. 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 11/119:50 pmBOS - KSC
1 stop10h 05mSWISS
Fri 11/219:45 amKSC - BOS
1 stop16h 15mSWISS
Deal found 9/17$574
This Gurufare deal was found by Cheapflights users on 9/17. 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.
Sun 11/99:50 pmBOS - KSC
1 stop15h 00mMultiple Airlines
Thu 11/202:55 pmKSC - BOS
1 stop29h 10mMultiple Airlines
Deal found 9/17$577
This Ovago deal was found by Cheapflights users on 9/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:25 pmBOS - KSC
1 stop13h 50mAustrian Airlines
Thu 11/205:20 amKSC - BOS
2 stops17h 55mAustrian Airlines
Deal found 9/17$578
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Mon 11/105:30 amBOS - KSC
2 stops26h 45mMultiple Airlines
Thu 11/205:20 amKSC - BOS
2 stops34h 12mMultiple Airlines
Deal found 9/17$580
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/85:10 pmBOS - KSC
1 stop11h 10mMultiple Airlines
Mon 11/242:10 pmKSC - BOS
2 stops36h 45mMultiple Airlines
Deal found 9/17$582
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/69:20 pmBOS - KSC
1 stop18h 05mMultiple Airlines
Mon 11/242:10 pmKSC - BOS
2 stops36h 45mMultiple Airlines
Deal found 9/17$584
This KAYAK deal was found by Cheapflights users on 9/17. 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 11/116:25 pmBOS - KSC
1 stop13h 50mAustrian Airlines
Thu 11/202:55 pmKSC - BOS
1 stop29h 10mAustrian Airlines
Deal found 9/17$585
This KAYAK deal was found by Cheapflights users on 9/17. 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 11/112:21 pmBOS - KSC
2 stops17h 54mAustrian Airlines
Fri 11/215:20 amKSC - BOS
1 stop14h 45mAustrian Airlines
Deal found 9/17$590

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 September 17, 2025.
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

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Thu 10/16

4:45 pm-10:30 pm

2 stops23h 45m

Bratislava - M. R. Štefánik

Tue 10/21

11:25 pm-7:55 pm

2 stops26h 30m

$515

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Thu 10/2

4:00 pm-2:50 pm

2 stops16h 50m

Bratislava - M. R. Štefánik

Mon 10/6

10:15 pm-1:55 pm

2 stops21h 40m

$520

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 11/11

9:50 pm-1:55 pm

1 stop10h 05m

Košice Barca

Mon 11/24

7:40 pm-8:20 pm

1 stop30h 40m

$574

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 11/12

9:50 pm-9:00 am

1 stop29h 10m

Košice Barca

Fri 11/21

9:45 am-8:00 pm

1 stop16h 15m

$574

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 11/11

6:25 pm-11:15 pm

1 stop22h 50m

Košice Barca

Tue 11/18

5:20 am-2:05 pm

1 stop14h 45m

$585

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Tue 11/11

2:21 pm-2:15 pm

2 stops17h 54m

Košice Barca

Fri 11/21

5:20 am-2:05 pm

1 stop14h 45m

$590

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Mon 11/10

1:30 pm-2:15 pm

2 stops18h 45m

Košice Barca

Tue 11/18

5:20 am-2:05 pm

1 stop14h 45m

$590

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 11/9

6:25 pm-11:15 pm

1 stop22h 50m

Košice Barca

Mon 11/24

2:55 pm-5:15 pm

2 stops32h 20m

$596

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 11/9

6:25 pm-11:15 pm

1 stop22h 50m

Košice Barca

Tue 11/18

5:20 am-6:48 pm

2 stops19h 28m

$596

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Sun 11/9

6:25 pm-2:15 pm

1 stop13h 50m

Košice Barca

Wed 11/19

2:55 pm-5:15 pm

2 stops32h 20m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 13 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 $574, SWISS can have you in Slovakia from Boston in 10h 05m. 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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