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$341+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LJU
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheap flight deals from Boston to Slovenia

Keep the following information in mind while searching for Boston to Slovenia flight deals. Data was last updated April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$695
(SWISS)

One-way from

$682
(Air Serbia)

Popular in

June

Cheapest in

January

Average price

$1,063
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
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One-way flight from Boston Logan Intl to Slovenia
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Highest demand for flights based on searches. 19% potential increase in price ($241 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 15, 2025.

This SWISS deal was found by Cheapflights users on 4/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:05 pmBOS - LJU
1 stop11h 00mSWISS
Mon 8/2510:50 amLJU - BOS
1 stop10h 35mSWISS
Deal found 4/14$655
This Lufthansa deal was found by Cheapflights users on 4/15. 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.
Sun 8/175:05 pmBOS - LJU
1 stop11h 00mMultiple Airlines
Sun 8/246:40 amLJU - BOS
1 stop15h 00mMultiple Airlines
Deal found 4/15$660
This Air France deal was found by Cheapflights users on 4/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:20 pmBOS - LJU
1 stop12h 15mAir France
Mon 8/2512:35 pmLJU - BOS
2 stops18h 31mAir France
Deal found 4/15$670
This Lufthansa deal was found by Cheapflights users on 4/13. 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.
Thu 8/149:30 amBOS - LJU
2 stops18h 05mLufthansa
Tue 8/199:35 amLJU - BOS
1 stop14h 05mLufthansa
Deal found 4/13$673
This KLM deal was found by Cheapflights users on 4/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/118:15 pmBOS - LJU
1 stop30h 05mKLM
Wed 5/2112:35 pmLJU - BOS
2 stops15h 58mKLM
Deal found 4/14$713
This Brussels Airlines deal was found by Cheapflights users on 4/15. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:50 pmBOS - LJU
2 stops35h 20mBrussels Airlines
Sat 5/245:10 pmLJU - BOS
2 stops27h 22mBrussels Airlines
Deal found 4/15$912
This British Airways deal was found by Cheapflights users on 4/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/267:40 pmBOS - LJU
1 stop14h 30mBritish Airways
Wed 6/46:00 pmLJU - BOS
2 stops29h 17mBritish Airways
Deal found 4/14$937
This FlightHub deal was found by Cheapflights users on 4/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/269:35 pmBOS - LJU
1 stop15h 40mTurkish Airlines
Wed 6/48:10 pmLJU - BOS
1 stop29h 30mTurkish Airlines
Deal found 4/14$945
This Delta deal was found by Cheapflights users on 4/13. 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.
Sun 7/65:10 amBOS - LJU
2 stops24h 25mDelta
Fri 7/1812:35 pmLJU - BOS
1 stop11h 50mDelta
Deal found 4/13$1,183
This Air Serbia deal was found by Cheapflights users on 4/14. 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.
Fri 5/303:10 pmBOS - LJU
2 stops17h 15mAir Serbia
Sat 6/72:55 pmLJU - BOS
2 stops55h 11mAir Serbia
Deal found 4/14$1,221
This KAYAK deal was found by Cheapflights users on 4/13. 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.
Thu 7/1011:30 amBOS - LJU
2 stops22h 50mLOT
Wed 7/161:20 pmLJU - BOS
2 stops17h 07mLOT
Deal found 4/13$1,425
This Finnair deal was found by Cheapflights users on 4/13. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/710:00 pmBOS - LJU
2 stops52h 45mFinnair
Tue 7/159:30 amLJU - BOS
2 stops55h 50mFinnair
Deal found 4/13$1,920

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 April 15, 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

Sun 8/3

5:05 pm-10:05 am

1 stop11h 00m

Ljubljana Joze Pucnik

Mon 8/25

10:50 am-3:25 pm

1 stop10h 35m

$655

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 8/17

5:05 pm-10:05 am

1 stop11h 00m

Ljubljana Joze Pucnik

Sun 8/24

6:40 am-3:40 pm

1 stop15h 00m

$660

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 8/3

5:20 pm-11:35 am

1 stop12h 15m

Ljubljana Joze Pucnik

Mon 8/25

12:35 pm-1:06 am

2 stops18h 31m

$670

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Thu 8/14

9:30 am-9:35 am

2 stops18h 05m

Ljubljana Joze Pucnik

Tue 8/19

9:35 am-5:40 pm

1 stop14h 05m

$673

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 5/11

8:15 pm-8:20 am

1 stop30h 05m

Ljubljana Joze Pucnik

Wed 5/21

12:35 pm-10:33 pm

2 stops15h 58m

$713

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Fri 5/16

5:50 pm-11:10 am

2 stops35h 20m

Ljubljana Joze Pucnik

Sat 5/24

5:10 pm-2:32 pm

2 stops27h 22m

$912

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 5/26

7:40 pm-4:10 pm

1 stop14h 30m

Ljubljana Joze Pucnik

Wed 6/4

6:00 pm-5:17 pm

2 stops29h 17m

$937

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 5/26

9:35 pm-7:15 pm

1 stop15h 40m

Ljubljana Joze Pucnik

Wed 6/4

8:10 pm-7:40 pm

1 stop29h 30m

$945

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 7/6

6:05 am-11:35 am

2 stops23h 30m

Ljubljana Joze Pucnik

Wed 7/16

12:35 pm-6:25 pm

1 stop11h 50m

$1,183

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Fri 5/30

3:10 pm-2:25 pm

2 stops17h 15m

Ljubljana Joze Pucnik

Sat 6/7

2:55 pm-4:06 pm

2 stops55h 11m

$1,221

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 16 results
1
2

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, February is the cheapest month in which you can book a flight from Boston to Slovenia (average of $710). Flying from Boston to Slovenia in June is currently the most expensive (average of $1,520). 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 April 15, 2025.

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.

Rainfall in Slovenia by month

Plan your trip to Slovenia by taking into account the average rainfall totals by month.

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.

Temperature in Slovenia by month

Plan your trip to Slovenia by taking into account the average temperature totals by month.

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).

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 April 15, 2025.
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,918 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,918 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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, February is the cheapest month in which you can book a flight from Boston to Slovenia (average of $710). Flying from Boston to Slovenia in June is currently the most expensive (average of $1,520). 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 3 airlines flying from Boston to Slovenia

Discover the top 3 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$679Average$783FlexibilityNo cancel feeOn-time77%
SWISSCheapest$706Average$1,065FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$784Average$1,074FlexibilityNo cancel feeOn-time76%

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