Slovenia

$315+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LJU
Aug 23 — Aug 301
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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 August 18, 2025.

Round-trip from

$492
(Cheapflightsfares)

One-way from

$315
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$700
From Boston Logan Intl to Slovenia
One-way flight from Boston Logan Intl to Slovenia
Highest demand for flights based on searches. 24% potential increase in price ($297 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:50 pmBOS - LJU
1 stop10h 10mSWISS
Sat 11/222:50 pmLJU - BOS
1 stop11h 30mSWISS
Deal found 8/16$492
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:30 amBOS - LJU
2 stops26h 30mMultiple Airlines
Sat 11/226:30 amLJU - BOS
2 stops33h 02mMultiple Airlines
Deal found 8/16$499
This Expedia deal was found by Cheapflights users on 8/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:15 amBOS - LJU
2 stops21h 20mMultiple Airlines
Sun 11/304:30 pmLJU - BOS
2 stops50h 55mMultiple Airlines
Deal found 8/17$571
This Travelocity deal was found by Cheapflights users on 8/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:35 pmBOS - LJU
2 stops20h 55mMultiple Airlines
Sun 11/304:30 pmLJU - BOS
2 stops50h 55mMultiple Airlines
Deal found 8/17$580
This Finnair deal was found by Cheapflights users on 8/17. 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 10/136:28 pmBOS - LJU
2 stops40h 47mMultiple Airlines
Thu 10/169:30 amLJU - BOS
2 stops18h 49mMultiple Airlines
Deal found 8/17$636
This Booking.com deal was found by Cheapflights users on 8/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:40 pmBOS - LJU
1 stop16h 50mLufthansa
Sun 11/306:35 amLJU - BOS
1 stop12h 50mLufthansa
Deal found 8/17$655
This Booking.com deal was found by Cheapflights users on 8/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/148:05 pmBOS - LJU
1 stop10h 35mLufthansa
Tue 10/286:35 amLJU - BOS
1 stop12h 50mLufthansa
Deal found 8/16$656
This Gotogate deal was found by Cheapflights users on 8/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:40 pmBOS - LJU
1 stop30h 25mMultiple Airlines
Tue 10/286:30 amLJU - BOS
2 stops17h 42mMultiple Airlines
Deal found 8/16$662
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Wed 9/249:35 pmBOS - LJU
1 stop33h 35mTurkish Airlines
Wed 10/229:25 amLJU - BOS
1 stop16h 15mTurkish Airlines
Deal found 8/17$698
This FlightHub deal was found by Cheapflights users on 8/16. 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.
Fri 9/129:35 pmBOS - LJU
1 stop15h 40mTurkish Airlines
Thu 9/189:25 amLJU - BOS
1 stop16h 15mTurkish Airlines
Deal found 8/16$736

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 August 18, 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

Fri 11/14

9:50 pm-2:00 pm

1 stop10h 10m

Ljubljana Joze Pucnik

Sat 11/22

2:50 pm-8:20 pm

1 stop11h 30m

$492

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Fri 11/14

5:30 am-2:00 pm

2 stops26h 30m

Ljubljana Joze Pucnik

Sat 11/22

6:30 am-9:32 am

2 stops33h 02m

$499

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Thu 11/27

10:15 am-1:35 pm

2 stops21h 20m

Ljubljana Joze Pucnik

Sun 11/30

4:30 pm-1:25 pm

2 stops50h 55m

$571

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 11/23

9:50 pm-2:20 pm

1 stop10h 30m

Ljubljana Joze Pucnik

Sun 11/30

4:30 pm-1:25 pm

2 stops50h 55m

$571

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 10/13

6:28 pm-5:15 pm

2 stops40h 47m

Ljubljana Joze Pucnik

Thu 10/16

9:30 am-10:19 pm

2 stops18h 49m

$636

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 11/23

8:40 pm-7:30 pm

1 stop16h 50m

Ljubljana Joze Pucnik

Sun 11/30

6:35 am-1:25 pm

1 stop12h 50m

$655

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Tue 10/14

8:05 pm-12:40 pm

1 stop10h 35m

Ljubljana Joze Pucnik

Tue 10/28

6:35 am-2:25 pm

1 stop12h 50m

$656

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Tue 10/14

9:40 pm-10:05 am

1 stop30h 25m

Ljubljana Joze Pucnik

Tue 10/28

6:30 am-7:12 pm

2 stops17h 42m

$662

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sat 10/4

6:10 pm-10:15 am

2 stops34h 05m

$315

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Fri 10/3

9:25 pm-7:55 am

3 stops28h 30m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 13 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 $1,443). 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 August 18, 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.

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 August 18, 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.
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $1,443). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$442Average$909FlexibilityNo cancel feeOn-time79%
KLMCheapest$467Average$1,017FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$538Average$1,068FlexibilityNo cancel feeOn-time76%
DeltaCheapest$656Average$1,022FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$679Average$801FlexibilityNo cancel feeOn-time77%

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