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Slovenia

$301+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$417
(KLM)

One-way from

$301
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,582
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. 22% potential increase in price ($286 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This KLM deal was found by Cheapflights users on 6/10. 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.
Tue 8/198:15 pmBOS - LJU
1 stop30h 30mKLM
Tue 8/269:05 amLJU - BOS
1 stop13h 30mKLM
Deal found 6/10$417
This Delta deal was found by Cheapflights users on 6/11. 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 8/175:20 pmBOS - LJU
1 stop12h 15mDelta
Mon 8/2512:20 pmLJU - BOS
2 stops33h 40mDelta
Deal found 6/11$426
This British Airways deal was found by Cheapflights users on 6/11. 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.
Wed 9/106:29 pmBOS - LJU
2 stops17h 21mBritish Airways
Thu 9/187:00 pmLJU - BOS
2 stops29h 49mBritish Airways
Deal found 6/11$460
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/121:00 pmBOS - LJU
2 stops24h 20mMultiple Airlines
Thu 9/189:30 amLJU - BOS
2 stops19h 20mMultiple Airlines
Deal found 6/11$489
This Expedia deal was found by Cheapflights users on 6/11. 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.
Sat 9/208:15 pmBOS - LJU
2 stops33h 50mAir France
Thu 10/212:20 pmLJU - BOS
1 stop14h 00mAir France
Deal found 6/11$524
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/48:05 pmBOS - LJU
1 stop17h 20mLufthansa
Wed 8/208:00 pmLJU - BOS
1 stop27h 40mLufthansa
Deal found 6/10$611
This Ovago deal was found by Cheapflights users on 6/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/148:10 pmBOS - LJU
2 stops30h 35mFinnair
Tue 8/199:30 amLJU - BOS
2 stops31h 55mFinnair
Deal found 6/10$712
This Brussels Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/2110:00 pmBOS - LJU
2 stops13h 45mBrussels Airlines
Mon 9/16:35 pmLJU - BOS
2 stops27h 25mBrussels Airlines
Deal found 6/10$800
This SWISS deal was found by Cheapflights users on 6/11. 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.
Mon 7/215:05 pmBOS - LJU
1 stop19h 30mSWISS
Mon 7/287:20 pmLJU - BOS
1 stop30h 35mSWISS
Deal found 6/11$835

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 June 12, 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 8/19

8:15 pm-8:45 am

1 stop30h 30m

Ljubljana Joze Pucnik

Tue 8/26

9:05 am-4:35 pm

1 stop13h 30m

$417

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 8/17

5:20 pm-11:35 am

1 stop12h 15m

Ljubljana Joze Pucnik

Mon 8/25

12:20 pm-4:00 pm

2 stops33h 40m

$426

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 9/10

6:29 pm-5:50 pm

2 stops17h 21m

Ljubljana Joze Pucnik

Thu 9/18

7:00 pm-6:49 pm

2 stops29h 49m

$460

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Fri 9/12

1:00 pm-7:20 pm

2 stops24h 20m

Ljubljana Joze Pucnik

Thu 9/18

9:30 am-10:50 pm

2 stops19h 20m

$489

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sat 9/20

8:15 pm-12:05 pm

2 stops33h 50m

Ljubljana Joze Pucnik

Thu 10/2

12:20 pm-8:20 pm

1 stop14h 00m

$524

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 8/4

8:05 pm-7:25 pm

1 stop17h 20m

Ljubljana Joze Pucnik

Wed 8/20

8:00 pm-5:40 pm

1 stop27h 40m

$611

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Thu 8/14

8:10 pm-8:45 am

2 stops30h 35m

Ljubljana Joze Pucnik

Tue 8/19

9:30 am-11:25 am

2 stops31h 55m

$712

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Thu 8/21

10:00 pm-5:45 pm

2 stops13h 45m

Ljubljana Joze Pucnik

Mon 9/1

6:35 pm-4:00 pm

2 stops27h 25m

$800

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 7/21

5:05 pm-6:35 pm

1 stop19h 30m

Ljubljana Joze Pucnik

Mon 7/28

7:20 pm-7:55 pm

1 stop30h 35m

$835

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Thu 7/24

8:50 pm-9:00 am

3 stops54h 10m

$302

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 14 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 $1,462). 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 June 12, 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 June 12, 2025.
See what other customers who have flown with Delta, KLM and LOT from Boston to Slovenia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!
LOT
7.6
Good
1,077 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

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.

  • What are the cheapest airlines to fly from Boston to Slovenia one-way?

    The cheapest airlines for a one-way flight from Boston to Slovenia are KLM ($433), British Airways ($482), and Delta ($483).

  • 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 $1,462). 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 4 airlines flying from Boston to Slovenia

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$594Average$1,022FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$655Average$921FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$679Average$784FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$775Average$1,075FlexibilityNo cancel feeOn-time76%

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