How long is the flight from Boston to Slovenia?

There are many flights that can get you from Boston to Slovenia in 14h 35m. Fly via Lufthansa or Delta 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.

In terms of precipitation, rainfall in Slovenia ranges from 1.6 - 2.8 inches per month. October is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Slovenia when rainfall is around 1.6 in.

If weather is an important factor for your trip to Slovenia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular airlines that fly from Boston to Slovenia?

Lufthansa, SWISS and Delta are the most popular airlines when flying from Boston to Slovenia.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to Slovenia as you normally would.

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.

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.

$392+ Flights from Boston to Slovenia

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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 28, 2025.

Tue 12/305:35 pmBOS - LJU

3 stops33h 20mMultiple Airlines

Thu 1/18:45 pmLJU - BOS

3 stops25h 05mMultiple Airlines

Deal found 12/26

$1,831

Tue 12/308:00 pmBOS - LJU

1 stop16h 40mTurkish Airlines

Thu 1/19:20 amLJU - BOS

1 stop14h 45mTurkish Airlines

Deal found 12/26

$1,983

Sat 12/277:36 pmBOS - LJU

2 stops41h 54mLufthansa

Sat 1/310:25 amLJU - BOS

2 stops43h 29mLufthansa

Deal found 12/26

$2,192

Sat 12/274:20 pmBOS - LJU

1 stop11h 35mMultiple Airlines

Sat 1/32:50 pmLJU - BOS

1 stop11h 10mMultiple Airlines

Deal found 12/27

$4,052

Best flights from Boston to Slovenia
Discover carefully curated flight deals from Boston to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Sun 2/12:20 pmBOS - LJU

2 stops23h 10mLufthansa

Mon 2/169:45 amLJU - BOS

1 stop14h 50mLufthansa

Deal found 12/27

$498

Wed 2/115:30 amBOS - LJU

2 stops26h 05mMultiple Airlines

Mon 2/169:45 amLJU - BOS

2 stops29h 47mMultiple Airlines

Deal found 12/26

$552

Tue 4/75:15 pmBOS - LJU

2 stops14h 35mDelta

Tue 4/142:35 pmLJU - BOS

1 stop11h 00mDelta

Deal found 12/26

$560

Wed 2/112:20 pmBOS - LJU

2 stops13h 35mLufthansa

Mon 2/168:10 pmLJU - BOS

1 stop28h 25mLufthansa

Deal found 12/26

$539

Sun 2/110:15 amBOS - LJU

2 stops27h 15mMultiple Airlines

Mon 2/169:45 amLJU - BOS

2 stops29h 47mMultiple Airlines

Deal found 12/27

$562

Wed 4/88:05 pmBOS - LJU

1 stop17h 25mLufthansa

Thu 4/161:20 pmLJU - BOS

1 stop10h 20mLufthansa

Deal found 12/26

$560

Sun 4/263:35 pmBOS - LJU

2 stops15h 40mMultiple Airlines

Sun 5/36:05 amLJU - BOS

1 stop15h 35mMultiple Airlines

Deal found 12/27

$568

Sun 4/55:45 pmBOS - LJU

1 stop13h 30mLufthansa

Mon 4/131:20 pmLJU - BOS

2 stops16h 54mLufthansa

Deal found 12/26

$587

Sat 4/256:15 amBOS - LJU

2 stops21h 20mMultiple Airlines

Sun 5/36:05 amLJU - BOS

2 stops17h 35mMultiple Airlines

Deal found 12/27

$617

Last-minute flights from Boston to Slovenia
Discover last-minute flight deals from Boston to Slovenia. Data last updated December 28, 2025 and is based on user searches.

Sat 12/277:36 pmBOS - LJU

2 stops41h 54mLufthansa

Sat 1/310:25 amLJU - BOS

2 stops43h 29mLufthansa

Deal found 12/26

$2,192

Tue 12/305:35 pmBOS - LJU

3 stops33h 20mMultiple Airlines

Thu 1/18:45 pmLJU - BOS

3 stops25h 05mMultiple Airlines

Deal found 12/26

$1,831

Tue 12/308:00 pmBOS - LJU

1 stop16h 40mTurkish Airlines

Thu 1/19:20 amLJU - BOS

1 stop14h 45mTurkish Airlines

Deal found 12/26

$1,983

Mon 1/268:00 pmBOS - LJU

1 stop16h 40mTurkish Airlines

Fri 2/67:35 pmLJU - BOS

1 stop28h 30mTurkish Airlines

Deal found 12/27

$3,535

Mon 1/261:40 pmBOS - LJU

2 stops20h 50mLOT

Fri 2/61:45 pmLJU - BOS

2 stops23h 56mLOT

Deal found 12/27

$3,778

One-way flights from Boston to Slovenia
Search for one-way flight options from Boston to Slovenia. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Sun 5/179:25 pmBOS - LJU

2 stops12h 35mMultiple Airlines

Deal found 12/27

$392

Fri 5/111:30 pmBOS - LJU

2 stops29h 45mMultiple Airlines

Deal found 12/27

$412

Fri 5/19:40 pmBOS - LJU

1 stop10h 10mSWISS

Deal found 12/27

$468

Sun 5/179:50 pmBOS - LJU

1 stop15h 30mTurkish Airlines

Deal found 12/27

$519

Thu 6/113:55 pmBOS - LJU

2 stops22h 10mAir Serbia

Deal found 12/26

$812

Thu 6/114:45 pmBOS - LJU

1 stop14h 30mMultiple Airlines

Deal found 12/26

$850

Find flight deals from Boston to Slovenia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$498 (Kiwi.com)
One-way from	$392 (Kiwi.com)
Popular in	December
Cheapest in	January
Average price	$1,719

Provider with most accurate pricing for Boston Logan Intl-Ljubljana Joze Pucnik flight deals.

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Provider most trusted by Cheapflights users for Boston Logan Intl-Ljubljana Joze Pucnik flights.

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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. 5% potential increase in price ($58 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 2/1

2:20 pm-7:30 pm

2 stops23h 10m

Ljubljana Joze Pucnik

Mon 2/16

9:45 am-6:35 pm

1 stop14h 50m

$498

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 2/11

2:20 pm-9:55 am

2 stops13h 35m

Ljubljana Joze Pucnik

Mon 2/16

8:10 pm-6:35 pm

1 stop28h 25m

$539

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 2/11

5:30 am-1:35 pm

2 stops26h 05m

Ljubljana Joze Pucnik

Mon 2/16

9:45 am-9:32 am

2 stops29h 47m

$552

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Tue 4/7

5:15 pm-1:50 pm

2 stops14h 35m

Ljubljana Joze Pucnik

Tue 4/14

2:35 pm-7:35 pm

1 stop11h 00m

$560

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 4/8

8:05 pm-7:30 pm

1 stop17h 25m

Ljubljana Joze Pucnik

Thu 4/16

1:20 pm-5:40 pm

1 stop10h 20m

$560

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 2/1

10:15 am-7:30 pm

2 stops27h 15m

Ljubljana Joze Pucnik

Mon 2/16

9:45 am-9:32 am

2 stops29h 47m

$562

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 4/26

3:35 pm-1:15 pm

2 stops15h 40m

Ljubljana Joze Pucnik

Sun 5/3

6:05 am-3:40 pm

1 stop15h 35m

$568

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 4/5

5:45 pm-1:15 pm

1 stop13h 30m

Ljubljana Joze Pucnik

Mon 4/13

1:20 pm-12:14 am

2 stops16h 54m

$587

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sat 4/25

6:15 am-9:35 am

2 stops21h 20m

Ljubljana Joze Pucnik

Sun 5/3

6:05 am-5:40 pm

2 stops17h 35m

$617

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 5/17

9:25 pm-4:00 pm

2 stops12h 35m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 14 results

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.

Reviews of airlines servicing Slovenia

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

8,021 reviews

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

8,021 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

KLM

7.7

Good

1,435 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

SWISS

7.5

Good

1,828 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Turkish Airlines

7.3

Good

4,125 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Lufthansa

6.8

Okay

7,657 reviews

Delta

7.9

Good

8,021 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 14h 35m. Fly via Lufthansa or Delta 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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Boston to Slovenia

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest$441	Average$687	FlexibilityNo cancel fee	On-time79%
KLM	Cheapest$467	Average$1,017	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$538	Average$1,074	FlexibilityNo cancel fee	On-time76%
Turkish Airlines	Cheapest$562	Average$843	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$591	Average$994	FlexibilityNo cancel fee	On-timeN/A

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$392+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Slovenia with Cheapflights

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Cheap flight deals from Boston to Slovenia

Cheapest flights from Boston to SloveniaExplore 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 28, 2025.

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 28, 2025.

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 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Slovenia that are best for you.

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.

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?

Reviews of airlines servicing Slovenia

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.

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?

How long is the flight from Boston to Slovenia?

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

How can I find direct flights from Boston to Slovenia?

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

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

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 Slovenia

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Boston to Slovenia

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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 28, 2025.