HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bratislava

$1,091+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — BTS
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 flights from Boston to Bratislava
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 February 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2711:30 pm
BOS
-
BTS
1 stop15h 30m
Multiple Airlines
Tue 6/3011:20 pm
BTS
-
BOS
2 stops20h 30m
Multiple Airlines
Deal found 2/11$1,091
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:50 pm
BOS
-
BTS
1 stop17h 10m
Multiple Airlines
Fri 7/37:00 am
BTS
-
BOS
1 stop20h 15m
Multiple Airlines
Deal found 2/11$1,094
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:50 pm
BOS
-
BTS
1 stop13h 45m
Multiple Airlines
Mon 6/2910:55 am
BTS
-
BOS
1 stop16h 10m
Multiple Airlines
Deal found 2/11$1,114
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:50 pm
BOS
-
BTS
1 stop13h 45m
Multiple Airlines
Tue 7/712:55 pm
BTS
-
BOS
1 stop14h 20m
Multiple Airlines
Deal found 2/12$1,119
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:15 pm
BOS
-
BTS
1 stop19h 40m
Multiple Airlines
Sun 7/129:25 pm
BTS
-
BOS
2 stops23h 20m
Multiple Airlines
Deal found 2/12$1,135
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:50 pm
BOS
-
BTS
1 stop13h 45m
Multiple Airlines
Fri 7/37:00 am
BTS
-
BOS
2 stops18h 50m
Multiple Airlines
Deal found 2/11$1,139
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:50 pm
BOS
-
BTS
1 stop18h 35m
Multiple Airlines
Fri 7/37:00 am
BTS
-
BOS
1 stop20h 15m
Multiple Airlines
Deal found 2/11$1,141
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2711:30 pm
BOS
-
BTS
1 stop15h 30m
Multiple Airlines
Sat 7/45:50 am
BTS
-
BOS
1 stop15h 05m
Multiple Airlines
Deal found 2/11$1,165
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1610:40 pm
BOS
-
BTS
2 stops29h 15m
Multiple Airlines
Wed 2/187:40 pm
BTS
-
BOS
1 stop31h 15m
Multiple Airlines
Deal found 2/12$1,168
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:50 pm
BOS
-
BTS
1 stop18h 35m
Multiple Airlines
Mon 6/2910:55 am
BTS
-
BOS
1 stop16h 10m
Multiple Airlines
Deal found 2/11$1,186

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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,091
(Kiwi.com)
Provider with most accurate pricing for Boston Logan Intl-Bratislava - M. R. Štefánik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Bratislava - M. R. Štefánik flights.
Search Deals
From Boston Logan Intl to Bratislava - M. R. Štefánik
Search Deals

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 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Boston to Bratislava that are best for you.

Fly from

Boston

Fly to

Bratislava

Route

Depart

Return

Price

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Sat 6/27

11:30 pm-9:00 pm

1 stop15h 30m

Bratislava - M. R. Štefánik

Tue 6/30

11:20 pm-1:50 pm

2 stops20h 30m

$1,091

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 6/22

10:50 pm-6:35 pm

1 stop13h 45m

Bratislava - M. R. Štefánik

Mon 6/29

10:55 am-9:05 pm

1 stop16h 10m

$1,114

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 6/29

10:50 pm-6:35 pm

1 stop13h 45m

Bratislava - M. R. Štefánik

Tue 7/7

12:55 pm-9:15 pm

1 stop14h 20m

$1,119

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Mon 6/22

10:50 pm-6:35 pm

1 stop13h 45m

Bratislava - M. R. Štefánik

Fri 7/3

7:00 am-7:50 pm

2 stops18h 50m

$1,139

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 6/24

10:50 pm-11:25 pm

1 stop18h 35m

Bratislava - M. R. Štefánik

Mon 6/29

10:55 am-9:05 pm

1 stop16h 10m

$1,186

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Fri 6/26

10:50 pm-10:00 pm

1 stop17h 10m

Bratislava - M. R. Štefánik

Sat 7/4

10:40 pm-4:10 pm

2 stops23h 30m

$1,238

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Thu 7/2

9:15 pm-10:55 pm

1 stop19h 40m

Bratislava - M. R. Štefánik

Sun 7/12

9:25 pm-2:55 pm

1 stop23h 30m

$1,259

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Sun 6/21

10:45 pm-7:05 pm

2 stops14h 20m

Bratislava - M. R. Štefánik

Sat 7/4

5:50 am-2:55 pm

1 stop15h 05m

$1,313

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

  • Can I find deals for flights from Boston to Bratislava that include hotel bookings?

    Yes. In addition to deals on Boston to Bratislava flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Bratislava?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Bratislava.

  • Can I find deals for business class flights from Boston to Bratislava?

    Yes. Cheapflights offers flight deals from Boston to Bratislava by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Bratislava

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Košice flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights