$463+ Cheap flights from Boston (BOS) to Bratislava (BTS)
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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BTS
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Bratislava 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Bratislava
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to BratislavaExplore the most affordable flight options available from Boston to Bratislava. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Boston to Bratislava. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Mytrip deal was found by Cheapflights users on 9/5. 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 10/39:15 pm -
1 stop17h 45m
Sat 10/105:50 am -
1 stop15h 05m
Deal found 9/5![Multiple Airlines logo]()
$797
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 9/5. 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 10/235:25 pm -
1 stop12h 40m
Sun 10/259:55 am -
1 stop15h 10m
Deal found 9/5![Multiple Airlines logo]()
$889
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:25 pm -
2 stops15h 25m
Sun 9/276:55 pm -
2 stops26h 00m
Deal found 9/5![Multiple Airlines logo]()
$945
Best flights from Boston to BratislavaDiscover carefully curated flight deals from Boston to Bratislava that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Boston to Bratislava that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Mytrip deal was found by Cheapflights users on 9/5. 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 10/34:55 pm -
2 stops22h 05m
Sat 10/105:50 am -
2 stops17h 50m
Deal found 9/5![Multiple Airlines logo]()
$820
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 9/5. 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 10/233:35 pm -
2 stops17h 15m
Sun 10/253:55 pm -
2 stops34h 00m
Deal found 9/5![Multiple Airlines logo]()
$971
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
This Mytrip deal was found by Cheapflights users on 9/5. 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 9/254:30 pm -
3 stops23h 30m
Sun 9/271:50 pm -
3 stops30h 50m
Deal found 9/5![Multiple Airlines logo]()
$1,260
Last-minute flights from Boston to BratislavaDiscover last-minute flight deals from Boston to Bratislava. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Bratislava. Data last updated September 9, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:25 pm -
2 stops15h 25m
Sun 9/276:55 pm -
2 stops26h 00m
Deal found 9/5![Multiple Airlines logo]()
$945
This Mytrip deal was found by Cheapflights users on 9/5. 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 10/39:15 pm -
1 stop17h 45m
Sat 10/105:50 am -
1 stop15h 05m
Deal found 9/5![Multiple Airlines logo]()
$797
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 9/5. 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 10/235:25 pm -
1 stop12h 40m
Sun 10/259:55 am -
1 stop15h 10m
Deal found 9/5![Multiple Airlines logo]()
$889
One-way flights from Boston to BratislavaSearch for one-way flight options from Boston to Bratislava. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Boston to Bratislava. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
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
Find flight deals from Boston to Bratislava
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Bratislava (BTS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $797 (Mytrip) |
One-way from | $463 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Bratislava 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 9, 2026.
Use the filters below to find and compare flights from Boston to Bratislava that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
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
BostonBratislava
BOS Boston Logan Intl - BTS Bratislava - M. R. Štefánik
BOSBTS
Boston Logan Intl
Sat 10/3
4:55 pm-9:00 pm
2 stops22h 05m
Bratislava - M. R. Štefánik
Sat 10/10
5:50 am-5:40 pm
2 stops17h 50m
$820
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
BostonBratislava
BOS Boston Logan Intl - BTS Bratislava - M. R. Štefánik
BOSBTS
Boston Logan Intl
Fri 10/23
3:35 pm-2:50 pm
2 stops17h 15m
Bratislava - M. R. Štefánik
Sun 10/25
3:55 pm-8:55 pm
2 stops34h 00m
$971
BostonBratislava
BOS Boston Logan Intl - BTS Bratislava - M. R. Štefánik
BOSBTS
Boston Logan Intl
Wed 12/16
5:15 pm-8:00 pm
1 stop20h 45m
Bratislava - M. R. Štefánik
Sat 1/2
7:05 am-10:40 am
2 stops33h 35m
$1,092
BostonBratislava
BOS Boston Logan Intl - BTS Bratislava - M. R. Štefánik
BOSBTS
Boston Logan Intl
Wed 12/16
5:15 pm-8:00 pm
1 stop20h 45m
Bratislava - M. R. Štefánik
Sun 1/3
12:00 pm-5:50 pm
2 stops35h 50m
$1,148
BostonBratislava
BOS Boston Logan Intl - BTS Bratislava - M. R. Štefánik
BOSBTS
Boston Logan Intl
Fri 9/25
4:30 pm-10:00 pm
3 stops23h 30m
Bratislava - M. R. Štefánik
Sun 9/27
1:50 pm-2:40 pm
3 stops30h 50m
$1,260
Sorted by cheapest first
Compare providers for flights from Boston to Bratislava
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Bratislava in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Bratislava flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Bratislava flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Bratislava flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Bratislava flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Bratislava flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Bratislava
Have a flexible travel schedule? Discover the best time to fly to Bratislava from Boston with our price prediction graph.
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.
Related info for your journey
Find useful and relevant information for your journey from Boston to Bratislava. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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