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Cheap flights from Boston to Bratislava from $242

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Bratislava departing on 3/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Bratislava

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:25 pm - 7:15 pm
BOS
-
BTS
20h 50m
2 stops
Multiple Airlines Logo
9:40 am - 9:20 pm
BTS
-
BOS
16h 40m
2 stops
$607Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
Multiple Airlines Logo
5:30 am - 7:15 pm
BOS
-
BTS
32h 45m
3 stops
Multiple Airlines Logo
7:40 pm - 7:35 pm
BTS
-
BOS
28h 55m
2 stops
$625Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
Multiple Airlines Logo
11:35 am - 6:55 pm
BOS
-
BTS
25h 20m
2 stops
Multiple Airlines Logo
9:40 am - 3:35 pm
BTS
-
BOS
34h 55m
2 stops
$671Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
11:35 am - 6:55 pm
BOS
-
BTS
25h 20m
2 stops
Multiple Airlines Logo
9:40 am - 1:55 pm
BTS
-
BOS
33h 15m
3 stops
$706Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
5:10 pm - 8:45 pm
BOS
-
BTS
21h 35m
1 stop
Multiple Airlines Logo
7:40 pm - 9:55 pm
BTS
-
BOS
31h 15m
1 stop
$737Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
11:40 pm - 3:25 pm
BOS
-
BTS
34h 45m
1 stop
Multiple Airlines Logo
9:40 am - 9:00 pm
BTS
-
BOS
16h 20m
2 stops
$738Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
Multiple Airlines Logo
7:25 pm - 1:00 am
BOS
-
BTS
23h 35m
2 stops
Multiple Airlines Logo
7:40 pm - 9:55 pm
BTS
-
BOS
31h 15m
1 stop
$757Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
3:35 pm - 6:55 pm
BOS
-
BTS
21h 20m
3 stops
Multiple Airlines Logo
9:40 am - 1:55 pm
BTS
-
BOS
33h 15m
3 stops
$887Multiple Airlines
Wed, Mar 4 - Wed, Mar 11
Multiple Airlines Logo
9:45 am - 12:05 am
BOS
-
BTS
33h 20m
3 stops
Multiple Airlines Logo
12:30 pm - 3:10 pm
BTS
-
BOS
31h 40m
3 stops
$1,262Multiple Airlines
Tue, Mar 17 - Wed, Mar 25
Multiple Airlines Logo
11:40 pm - 7:15 pm
BOS
-
BTS
14h 35m
1 stop
Multiple Airlines Logo
7:40 pm - 9:55 pm
BTS
-
BOS
31h 15m
1 stop
$1,283Multiple Airlines
Tue, Mar 17 - Wed, Mar 25

momondo 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, momondo users made 832,500 searches. Data last updated February 5, 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

Price

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 3/17

5:25 pm-7:15 pm

2 stops20h 50m

Bratislava - M. R. Štefánik

Wed 3/25

9:40 am-9:20 pm

2 stops16h 40m

$607

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 3/17

5:30 am-7:15 pm

3 stops32h 45m

Bratislava - M. R. Štefánik

Wed 3/25

7:40 pm-7:35 pm

2 stops28h 55m

$625

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/4

11:35 am-6:55 pm

2 stops25h 20m

Bratislava - M. R. Štefánik

Wed 3/11

9:40 am-3:35 pm

2 stops34h 55m

$671

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/4

11:35 am-6:55 pm

2 stops25h 20m

Bratislava - M. R. Štefánik

Wed 3/11

9:40 am-1:55 pm

3 stops33h 15m

$706

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/4

5:10 pm-8:45 pm

1 stop21h 35m

Bratislava - M. R. Štefánik

Wed 3/11

7:40 pm-9:55 pm

1 stop31h 15m

$737

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 3/17

11:40 pm-3:25 pm

1 stop34h 45m

Bratislava - M. R. Štefánik

Wed 3/25

9:40 am-9:00 pm

2 stops16h 20m

$738

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/4

7:25 pm-1:00 am

2 stops23h 35m

Bratislava - M. R. Štefánik

Wed 3/11

7:40 pm-9:55 pm

1 stop31h 15m

$757

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/4

3:35 pm-6:55 pm

3 stops21h 20m

Bratislava - M. R. Štefánik

Wed 3/11

9:40 am-1:55 pm

3 stops33h 15m

$887

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 3/17

9:45 am-12:05 am

3 stops33h 20m

Bratislava - M. R. Štefánik

Wed 3/25

12:30 pm-3:10 pm

3 stops31h 40m

$1,262

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 3/17

11:40 pm-7:15 pm

1 stop14h 35m

Bratislava - M. R. Štefánik

Wed 3/25

7:40 pm-9:55 pm

1 stop31h 15m

$1,283

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Boston to Bratislava

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Bratislava according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Bratislava (BOS to BTS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Bratislava

Fastest flight time

17h 25m

Direct flights

None
The fastest flight from Boston to Bratislava takes 17h 25m
There are no direct flights from Boston to Bratislava. There are no popular flight routes from Boston to Bratislava.
Search flight deals

  • How far is Boston Logan Intl to Bratislava - M. R. Štefánik by plane?

    Bratislava - M. R. Štefánik is 4061.5 mi away from Boston Logan Intl. Flights usually cover this in 17h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Bratislava - M. R. Štefánik Airport?

    Prices for flights from Boston Logan Intl Airport to Bratislava - M. R. Štefánik Airport refresh daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to Bratislava - M. R. Štefánik Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Bratislava - M. R. Štefánik Airport.

  • What documentation or ID do you need to fly to Bratislava - M. R. Štefánik Airport?

    The travel and health documents required for your trip to Bratislava - M. R. Štefánik Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bratislava - M. R. Štefánik Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Boston to Bratislava?

    Confirm your travel details to search for the latest offers for flights from Boston to Bratislava. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Boston to Bratislava with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Bratislava?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bratislava from Boston.

Can I find flights from Boston to Bratislava with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Bratislava flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Bratislava?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bratislava from Boston.

I’m not ready to book a flight from Boston to Bratislava right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bratislava, momondo offers a useful price alert feature which will track prices for flights to Bratislava from Boston and alert you when they change.

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