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Cheap flights from Boston to Bratislava from $618

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Bratislava departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
10:20 pm - 8:45 pmBOS-BTS
17h 25m1 stop
Multiple Airlines Logo
7:40 pm - 9:55 pmBTS-BOS
31h 15m1 stop
$618Multiple Airlines
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Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
7:30 am - 9:20 amBOS-BTS
19h 50m1 stop
Multiple Airlines Logo
9:45 am - 7:45 pmBTS-BOS
16h 00m1 stop
$668Multiple Airlines
Find Deal
Thu, Jan 1 - Thu, Jan 8
Multiple Airlines Logo
10:20 pm - 6:55 pmBOS-BTS
15h 35m2 stops
Multiple Airlines Logo
9:40 am - 9:00 pmBTS-BOS
16h 20m2 stops
$735Multiple Airlines
Find Deal
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
10:20 pm - 6:55 pmBOS-BTS
15h 35m2 stops
Multiple Airlines Logo
10:15 am - 3:35 pmBTS-BOS
34h 20m3 stops
$747Multiple Airlines
Find Deal
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
9:20 pm - 8:45 pmBOS-BTS
17h 25m1 stop
Multiple Airlines Logo
10:10 am - 6:59 pmBTS-BOS
14h 49m1 stop
$771Multiple Airlines
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Wed, Dec 31 - Fri, Jan 9
Multiple Airlines Logo
10:40 pm - 7:15 pmBOS-BTS
14h 35m1 stop
Multiple Airlines Logo
7:45 pm - 10:51 amBTS-BOS
45h 06m2 stops
$773Multiple Airlines
Find Deal
Tue, Dec 30 - Thu, Jan 8
Multiple Airlines Logo
10:20 pm - 8:45 pmBOS-BTS
17h 25m1 stop
Multiple Airlines Logo
9:40 am - 9:00 pmBTS-BOS
16h 20m2 stops
$778Multiple Airlines
Find Deal
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
9:20 pm - 8:45 pmBOS-BTS
17h 25m1 stop
Multiple Airlines Logo
6:00 am - 6:59 pmBTS-BOS
18h 59m1 stop
$791Multiple Airlines
Find Deal
Wed, Dec 31 - Sat, Jan 10
Multiple Airlines Logo
8:50 pm - 8:45 pmBOS-BTS
18h 55m3 stops
Multiple Airlines Logo
10:15 am - 3:35 pmBTS-BOS
34h 20m3 stops
$792Multiple Airlines
Find Deal
Wed, Mar 11 - Wed, Mar 18
Multiple Airlines Logo
5:20 pm - 9:45 amBOS-BTS
10h 25m1 stop
Multiple Airlines Logo
10:10 am - 6:59 pmBTS-BOS
14h 49m1 stop
$807Multiple Airlines
Find Deal
Thu, Jan 1 - Fri, Jan 9

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 November 4, 2025.
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

Wed 3/11

10:20 pm-8:45 pm

1 stop17h 25m

Bratislava - M. R. Štefánik

Wed 3/18

7:40 pm-9:55 pm

1 stop31h 15m

$618

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Thu 1/1

7:30 am-9:20 am

1 stop19h 50m

Bratislava - M. R. Štefánik

Thu 1/8

9:45 am-7:45 pm

1 stop16h 00m

$668

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/11

10:20 pm-6:55 pm

2 stops15h 35m

Bratislava - M. R. Štefánik

Wed 3/18

9:40 am-9:00 pm

2 stops16h 20m

$735

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/11

10:20 pm-6:55 pm

2 stops15h 35m

Bratislava - M. R. Štefánik

Wed 3/18

10:15 am-3:35 pm

3 stops34h 20m

$747

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 12/31

9:20 pm-8:45 pm

1 stop17h 25m

Bratislava - M. R. Štefánik

Fri 1/9

10:10 am-6:59 pm

1 stop14h 49m

$771

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 12/30

10:40 pm-7:15 pm

1 stop14h 35m

Bratislava - M. R. Štefánik

Thu 1/8

7:45 pm-10:51 am

2 stops45h 06m

$773

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/11

10:20 pm-8:45 pm

1 stop17h 25m

Bratislava - M. R. Štefánik

Wed 3/18

9:40 am-9:00 pm

2 stops16h 20m

$778

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 12/31

9:20 pm-8:45 pm

1 stop17h 25m

Bratislava - M. R. Štefánik

Sat 1/10

6:00 am-6:59 pm

1 stop18h 59m

$791

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Wed 3/11

8:50 pm-8:45 pm

3 stops18h 55m

Bratislava - M. R. Štefánik

Wed 3/18

10:15 am-3:35 pm

3 stops34h 20m

$792

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Thu 1/1

5:20 pm-9:45 am

1 stop10h 25m

Bratislava - M. R. Štefánik

Fri 1/9

10:10 am-6:59 pm

1 stop14h 49m

$807

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Direct flights

None
There are no direct flights from Boston to Bratislava. There are no popular flight routes from Boston to Bratislava.
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  • 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 10h 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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