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Cheap flights from Boston to Slovakia from $285

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 Slovakia departing on 10/14. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Boston to Slovakia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:40 am - 3:05 pm
BOS
-
BTS
22h 25m
2 stops
Multiple Airlines Logo
11:05 pm - 10:40 pm
BTS
-
BOS
29h 35m
3 stops
$744Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
5:25 pm - 10:40 pm
BOS
-
BTS
23h 15m
1 stop
Multiple Airlines Logo
11:05 pm - 6:35 pm
BTS
-
BOS
25h 30m
2 stops
$749Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
10:50 am - 3:05 pm
BOS
-
BTS
22h 15m
3 stops
Multiple Airlines Logo
11:05 pm - 10:40 pm
BTS
-
BOS
29h 35m
3 stops
$750Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
5:40 pm - 3:40 pm
BOS
-
BTS
16h 00m
2 stops
Multiple Airlines Logo
12:15 pm - 3:35 pm
BTS
-
BOS
33h 20m
3 stops
$843Multiple Airlines
Fri, Sep 4 - Tue, Sep 8
Multiple Airlines Logo
5:30 am - 2:15 pm
BOS
-
BTS
27h 45m
3 stops
Multiple Airlines Logo
9:00 am - 2:40 pm
BTS
-
BOS
35h 40m
2 stops
$854Multiple Airlines
Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
8:50 pm - 9:05 pm
BOS
-
BTS
19h 15m
2 stops
Multiple Airlines Logo
10:05 am - 6:55 pm
BTS
-
BOS
14h 50m
1 stop
$861Multiple Airlines
Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
5:25 pm - 12:05 pm
BOS
-
BTS
12h 40m
1 stop
Multiple Airlines Logo
11:25 am - 4:10 pm
BTS
-
BOS
34h 45m
2 stops
$863Multiple Airlines
Fri, Aug 21 - Sun, Aug 30
Multiple Airlines Logo
10:50 am - 4:20 pm
BOS
-
KSC
23h 30m
2 stops
Multiple Airlines Logo
5:40 pm - 8:55 pm
KSC
-
BOS
33h 15m
3 stops
$865Multiple Airlines
Thu, Oct 15 - Sat, Oct 24
Austrian Airlines Logo
5:10 pm - 2:00 pm
BOS
-
KSC
14h 50m
1 stop
Austrian Airlines Logo
2:45 pm - 2:30 pm
KSC
-
BOS
29h 45m
1 stop
$978Austrian Airlines
Thu, Oct 15 - Sat, Oct 24
LOT Logo
4:31 pm - 5:05 pm
BOS
-
KSC
18h 34m
2 stops
LOT Logo
5:40 pm - 8:45 am
KSC
-
BOS
45h 05m
2 stops
$1,448LOT
Wed, Jul 29 - Thu, Sep 3

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Austrian Airlines flights from Boston to Slovakia

Our best Austrian Airlines deals on Boston to Slovakia flight tickets
Austrian Airlines
Oct 15
BOS5:10 pmBoston Logan Intl
14h 50m
1 stop
KSC2:00 pmKošice Barca
Oct 24
KSC2:45 pmKošice Barca
29h 45m
1 stop
BOS2:30 pmBoston Logan Intl
$978
Austrian Airlines
Jul 28
BOS5:10 pmBoston Logan Intl
24h 10m
1 stop
KSC11:20 pmKošice Barca
Sep 3
KSC5:25 amKošice Barca
14h 25m
1 stop
BOS1:50 pmBoston Logan Intl
$1,488
Austrian Airlines
Jul 28
BOS2:15 pmBoston Logan Intl
17h 45m
2 stops
KSC2:00 pmKošice Barca
Sep 1
KSC2:45 pmKošice Barca
29h 05m
1 stop
BOS1:50 pmBoston Logan Intl
$1,493

LOT flights from Boston to Slovakia

Our best LOT deals on Boston to Slovakia flight tickets
LOT
Jul 29
BOS4:31 pmBoston Logan Intl
18h 34m
2 stops
KSC5:05 pmKošice Barca
Sep 3
KSC5:40 pmKošice Barca
45h 05m
2 stops
BOS8:45 amBoston Logan Intl
$1,448
LOT
Aug 3
BOS7:09 pmBoston Logan Intl
37h 21m
2 stops
KSC2:30 pmKošice Barca
Sep 2
KSC3:05 pmKošice Barca
38h 54m
2 stops
BOS11:59 pmBoston Logan Intl
$1,505
LOT
Jul 29
BOS12:45 pmBoston Logan Intl
22h 20m
2 stops
KSC5:05 pmKošice Barca
Aug 28
KSC3:05 pmKošice Barca
23h 40m
2 stops
BOS8:45 amBoston Logan Intl
$1,508

momondo 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, momondo users made 832,500 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Boston to Slovakia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 9/8

10:40 am-3:05 pm

2 stops22h 25m

Bratislava - M. R. Štefánik

Wed 9/16

11:05 pm-10:40 pm

3 stops29h 35m

$744

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 9/8

5:25 pm-10:40 pm

1 stop23h 15m

Bratislava - M. R. Štefánik

Wed 9/16

11:05 pm-6:35 pm

2 stops25h 30m

$749

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Tue 9/8

10:50 am-3:05 pm

3 stops22h 15m

Bratislava - M. R. Štefánik

Wed 9/16

11:05 pm-10:40 pm

3 stops29h 35m

$750

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Fri 9/4

5:40 pm-3:40 pm

2 stops16h 00m

Bratislava - M. R. Štefánik

Tue 9/8

12:15 pm-3:35 pm

3 stops33h 20m

$843

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Sun 10/25

5:30 am-2:15 pm

3 stops27h 45m

Bratislava - M. R. Štefánik

Sun 11/1

9:00 am-2:40 pm

2 stops35h 40m

$854
Quickest round-trip

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Sun 10/25

8:50 pm-9:05 pm

2 stops19h 15m

Bratislava - M. R. Štefánik

Sun 11/1

10:05 am-6:55 pm

1 stop14h 50m

$861

BostonBratislava

BOS - BTS

BOSBTS

Boston Logan Intl

Fri 8/21

5:25 pm-12:05 pm

1 stop12h 40m

Bratislava - M. R. Štefánik

Sun 8/30

11:25 am-4:10 pm

2 stops34h 45m

$863

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 10/15

10:50 am-4:20 pm

2 stops23h 30m

Košice Barca

Sat 10/24

5:40 pm-8:55 pm

3 stops33h 15m

$865

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Thu 10/15

5:10 pm-2:00 pm

1 stop14h 50m

Košice Barca

Sat 10/24

2:45 pm-2:30 pm

1 stop29h 45m

$978

BostonKošice

BOS - KSC

BOSKSC

Boston Logan Intl

Wed 7/29

4:31 pm-5:05 pm

2 stops18h 34m

Košice Barca

Thu 9/3

5:40 pm-8:45 am

2 stops45h 05m

$1,448

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Cheap Boston to Slovakia flight deals and tips

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

Fastest flight time

19h 20m

Direct flights

None
The fastest flight from Boston to Slovakia takes 19h 20m
There are no direct flights from Boston to Slovakia. There are no popular flight routes from Boston to Slovakia.
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Frequently asked questions about flying from Boston to Slovakia

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Slovakia?

    Prices for flights from Boston Logan Intl Airport to Slovakia are updated daily.

  • How old do you have to be to fly from Boston Logan Intl Airport to Slovakia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Slovakia.

  • What documentation or ID do you need to fly to Slovakia?

    The necessary travel and health documents for your Slovakia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Boston to Slovakia

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

    Search flight deals from Boston to Slovakia. While viewing offers you’ll have the option to create a Price Alert.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

Finding the right flight to Slovakia from Boston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Slovakia quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Slovakia from Boston with this policy.

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

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 Slovakia from Boston.

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

If you are not ready to book a flight from Boston to Slovakia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Slovakia and let you know when they change.

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Find better results for your trip to Slovakia

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