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$293+ Cheap flights from Boston (BOS) to Slovenia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LJU
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Boston to Slovenia

Cheapest flights from Boston to Slovenia
Explore the most affordable flight options available from Boston to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/2910:40 pmBOS - LJU
1 stop14h 00mMultiple Airlines
Thu 1/83:15 pmLJU - BOS
2 stops34h 45mMultiple Airlines
Deal found 12/22$1,349
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/2910:40 pmBOS - LJU
1 stop14h 00mMultiple Airlines
Tue 1/67:25 pmLJU - BOS
2 stops30h 35mMultiple Airlines
Deal found 12/22$1,452
This Air Serbia deal was found by Cheapflights users on 12/22. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:00 amBOS - LJU
2 stops15h 55mAir Serbia
Wed 1/78:45 pmLJU - BOS
2 stops24h 49mAir Serbia
Deal found 12/22$1,505
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/2910:40 pmBOS - LJU
1 stop14h 00mMultiple Airlines
Wed 1/78:55 pmLJU - BOS
2 stops25h 55mMultiple Airlines
Deal found 12/22$1,507
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Tue 12/3010:40 pmBOS - LJU
1 stop33h 50mMultiple Airlines
Thu 1/83:15 pmLJU - BOS
2 stops29h 20mMultiple Airlines
Deal found 12/22$1,524
This SmartFares deal was found by Cheapflights users on 12/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:10 pmBOS - LJU
1 stop10h 10mSWISS
Tue 1/62:55 pmLJU - BOS
1 stop11h 05mSWISS
Deal found 12/22$1,564
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Tue 12/3010:40 pmBOS - LJU
1 stop33h 50mMultiple Airlines
Wed 1/78:45 pmLJU - BOS
2 stops24h 49mMultiple Airlines
Deal found 12/22$1,589
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Tue 12/309:50 pmBOS - LJU
2 stops29h 50mMultiple Airlines
Tue 1/67:35 pmLJU - BOS
1 stop28h 30mMultiple Airlines
Deal found 12/22$1,594
This Air Serbia deal was found by Cheapflights users on 12/22. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:55 pmBOS - LJU
2 stops36h 00mAir Serbia
Wed 1/79:45 amLJU - BOS
2 stops35h 49mAir Serbia
Deal found 12/22$1,614
This Lufthansa deal was found by Cheapflights users on 12/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:10 pmBOS - LJU
1 stop9h 55mSWISS
Wed 1/72:55 pmLJU - BOS
1 stop11h 05mSWISS
Deal found 12/22$1,636
This KAYAK deal was found by Cheapflights users on 12/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:00 pmBOS - LJU
1 stop16h 40mTurkish Airlines
Thu 1/87:35 pmLJU - BOS
1 stop28h 30mTurkish Airlines
Deal found 12/22$1,647
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:29 amBOS - LJU
2 stops18h 51mDelta
Wed 1/712:25 pmLJU - BOS
2 stops15h 57mDelta
Deal found 12/22$1,656

Find flight deals from Boston to Slovenia

Keep the following information in mind while searching for Boston to Slovenia flight deals. Data was last updated December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$506
(Kiwi.com)

One-way from

$293
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,226
Provider with most accurate pricing for Boston Logan Intl-Ljubljana Joze Pucnik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Ljubljana Joze Pucnik flights.
Search Deals
From Boston Logan Intl to Slovenia
Search Deals
One-way flight from Boston Logan Intl to Slovenia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($306 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Slovenia 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 December 23, 2025.
Use the filters below to find and compare flights from Boston to Slovenia that are best for you.

Fly from

Boston

Fly to

Slovenia

Route

Depart

Return

Price

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Tue 2/10

2:20 pm-9:55 am

2 stops13h 35m

Ljubljana Joze Pucnik

Mon 2/16

9:45 am-6:35 pm

1 stop14h 50m

$518

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 4/20

9:40 pm-2:00 pm

1 stop10h 20m

Ljubljana Joze Pucnik

Thu 4/30

2:50 pm-7:55 pm

1 stop11h 05m

$519

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 4/13

9:40 pm-2:00 pm

1 stop10h 20m

Ljubljana Joze Pucnik

Mon 4/27

6:25 am-3:30 pm

1 stop15h 05m

$524

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 4/26

9:40 pm-1:55 pm

1 stop10h 15m

Ljubljana Joze Pucnik

Mon 5/4

6:25 am-3:30 pm

1 stop15h 05m

$526

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Tue 4/28

9:40 pm-1:55 pm

1 stop10h 15m

Ljubljana Joze Pucnik

Wed 5/6

10:50 am-3:30 pm

1 stop10h 40m

$526

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 4/20

9:40 pm-11:05 pm

1 stop19h 25m

Ljubljana Joze Pucnik

Thu 4/30

6:25 am-5:57 pm

2 stops17h 32m

$528

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Tue 2/10

9:50 pm-2:05 pm

1 stop10h 15m

Ljubljana Joze Pucnik

Mon 2/16

3:10 pm-8:00 pm

1 stop10h 50m

$528

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Thu 3/5

8:40 pm-7:30 pm

1 stop16h 50m

Ljubljana Joze Pucnik

Fri 3/13

6:30 am-9:00 pm

1 stop19h 30m

$538

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 4/13

9:40 pm-2:00 pm

1 stop10h 20m

Ljubljana Joze Pucnik

Mon 4/27

2:05 pm-9:51 am

2 stops25h 46m

$543

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sat 3/21

3:35 pm-12:55 pm

2 stops16h 20m

Ljubljana Joze Pucnik

Tue 3/31

6:35 am-2:52 pm

2 stops14h 17m

$544

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 21 results
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Best time to book a flight from Boston to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia 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.

Cheapflights Insights

Everything you need to know about your flight from Boston to Slovenia

What is the cheapest month to book a flight from Boston to Slovenia?

Currently, January is the cheapest month in which you can book a flight from Boston to Slovenia (average of $427). Flying from Boston to Slovenia in June is currently the most expensive (average of $1,011). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SI?

Find hourly flight availability from Boston to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Slovenia at noon. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Slovenia

Get insights into the airlines that provide service to Slovenia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Slovenia. Reviews last updated December 23, 2025.
Read reviews from past customers who have flown Delta, KLM, and SWISS from Boston to Slovenia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,015 reviews
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,434 reviews
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
SWISS
7.5
Good
1,817 reviews
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Turkish Airlines
7.3
Good
4,112 reviews
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,649 reviews
Delta
7.9
Good
8,015 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Boston to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Slovenia?

    Located just 2.6 mi from the city center, Boston Logan Intl (BOS) is the airport most travelers will use when flying to Slovenia from Boston.

  • How long is the flight from Boston to Slovenia?

    There are many flights that can get you from Boston to Slovenia in 10h 20m. Fly via Lufthansa or SWISS to get the fastest option. Airlines will cover a distance of 4018 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Boston to Slovenia?

    Currently, January is the cheapest month in which you can book a flight from Boston to Slovenia (average of $427). Flying from Boston to Slovenia in June is currently the most expensive (average of $1,011). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Boston to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Boston to Slovenia

Discover the top 5 airlines that operate flights from Boston to Slovenia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$441Average$687FlexibilityNo cancel feeOn-time79%
KLMCheapest$467Average$1,017FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$538Average$1,074FlexibilityNo cancel feeOn-time76%
DeltaCheapest$591Average$994FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$661Average$843FlexibilityNo cancel feeOn-time77%

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