HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Slovenia

$299+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LJU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boston to Slovenia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$617
(SWISS)

One-way from

$299
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,094
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. 20% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This SWISS deal was found by Cheapflights users on 4/30. 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.
Thu 8/145:05 pmBOS - LJU
1 stop11h 00mSWISS
Tue 8/197:20 pmLJU - BOS
1 stop26h 05mSWISS
Deal found 4/30$617
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Thu 8/149:30 amBOS - LJU
2 stops18h 05mMultiple Airlines
Tue 8/197:20 pmLJU - BOS
1 stop26h 05mMultiple Airlines
Deal found 4/30$627
This Delta deal was found by Cheapflights users on 4/30. 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 8/35:20 pmBOS - LJU
1 stop12h 15mDelta
Mon 8/2512:35 pmLJU - BOS
2 stops18h 31mDelta
Deal found 4/30$671
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sun 8/178:05 pmBOS - LJU
1 stop10h 30mLufthansa
Sun 8/248:00 pmLJU - BOS
1 stop27h 40mLufthansa
Deal found 4/30$672
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/49:35 pmBOS - LJU
1 stop15h 40mTurkish Airlines
Tue 5/209:25 amLJU - BOS
1 stop16h 15mTurkish Airlines
Deal found 4/29$821
This Brussels Airlines deal was found by Cheapflights users on 4/30. 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 10/910:00 pmBOS - LJU
2 stops13h 45mBrussels Airlines
Tue 10/146:35 pmLJU - BOS
2 stops53h 05mBrussels Airlines
Deal found 4/30$886
This Air Serbia deal was found by Cheapflights users on 4/30. 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 10/102:45 pmBOS - LJU
2 stops36h 10mAir Serbia
Sat 10/189:50 amLJU - BOS
2 stops17h 07mAir Serbia
Deal found 4/30$934
This KAYAK deal was found by Cheapflights users on 4/30. 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.
Sat 10/114:45 pmBOS - LJU
2 stops17h 35mLOT
Tue 10/145:05 pmLJU - BOS
2 stops37h 13mLOT
Deal found 4/30$1,269
This KLM deal was found by Cheapflights users on 4/30. 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 6/105:20 pmBOS - LJU
1 stop12h 15mKLM
Wed 6/1812:20 pmLJU - BOS
2 stops16h 14mKLM
Deal found 4/30$1,293
This Air France deal was found by Cheapflights users on 4/30. 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.
Sat 6/71:05 pmBOS - LJU
2 stops16h 30mAir France
Sun 6/2212:20 pmLJU - BOS
1 stop14h 00mAir France
Deal found 4/30$1,427

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 May 1, 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 5/4

4:15 pm-8:55 am

3 stops34h 40m

Ljubljana Joze Pucnik

Mon 5/19

2:55 pm-1:55 pm

3 stops29h 00m

$646

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 5/4

9:35 pm-7:15 pm

1 stop15h 40m

Ljubljana Joze Pucnik

Tue 5/20

9:25 am-7:40 pm

1 stop16h 15m

$821

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 7/9

1:30 pm-11:35 am

2 stops16h 05m

Ljubljana Joze Pucnik

Wed 10/29

12:35 pm-8:05 pm

1 stop12h 30m

$975

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Tue 7/29

9:40 pm-6:35 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Wed 8/6

10:50 am-3:25 pm

1 stop10h 35m

$985

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 7/9

7:12 pm-7:25 pm

2 stops18h 13m

Ljubljana Joze Pucnik

Wed 10/29

1:05 pm-11:54 pm

2 stops15h 49m

$988

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Fri 5/16

3:10 pm-2:25 pm

2 stops17h 15m

Ljubljana Joze Pucnik

Sat 5/24

2:55 pm-9:27 pm

2 stops36h 32m

$1,058

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Tue 6/10

5:20 pm-11:35 am

1 stop12h 15m

Ljubljana Joze Pucnik

Wed 6/18

12:20 pm-10:34 pm

2 stops16h 14m

$1,293

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sat 6/7

1:05 pm-11:35 am

2 stops16h 30m

Ljubljana Joze Pucnik

Sun 6/22

12:20 pm-8:20 pm

1 stop14h 00m

$1,427

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Fri 7/4

5:59 pm-7:20 pm

2 stops19h 21m

Ljubljana Joze Pucnik

Mon 7/14

3:10 pm-5:18 pm

2 stops32h 08m

$1,456

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sat 7/5

8:05 pm-8:45 am

2 stops54h 40m

Ljubljana Joze Pucnik

Thu 7/10

9:30 am-11:20 am

2 stops55h 50m

$2,037

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $1,515). 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 May 1, 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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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
1,334 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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
1,069 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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
7.4
Good
1,446 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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.

  • 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 SWISS ($520), Air Serbia ($549), and Brussels Airlines ($552).

  • 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 $1,515). 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.

Alternative routes for Boston to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Heathrow flights
Boston to Charles de Gaulle flights
Boston to Leonardo da Vinci/Fiumicino flights
Boston to Dublin flights
Boston to Gatwick flights
Boston to Lisbon flights
Boston to Athens flights
Boston to London City flights
Boston to Orly flights
Boston to Madrid flights
Boston to Amsterdam flights
Boston to Istanbul flights
Boston to Barcelona-El Prat flights
Boston to Edinburgh flights
Boston to Ponta Delgada flights
Boston to Stansted flights
Boston to Zurich flights
Boston to Keflavik Intl flights
Boston to Munich flights
Boston to Malpensa flights
Boston to Vicenza flights
Boston to Porto flights
Boston to Copenhagen flights
Boston to Shannon flights
Boston to Frankfurt flights
Boston to Florence flights
Hartford to Dublin flights
Boston to Luton flights
Boston to Linate flights
Boston to Naples flights
Boston to Tirana flights
Boston to Sabiha Gokcen flights
Boston to Berlin flights
Boston to Nice flights
Boston to Frederic Chopin flights
Boston to Beauvais-Tille flights
Boston to Vienna flights
Boston to Bruxelles-National flights
Boston to Oslo Gardermoen flights
Boston to Prague flights
Boston to Ljubljana flights
Boston to Arlanda flights
Boston to Catania flights
Boston to Palermo flights
Boston to Geneva flights
Boston to Glasgow Intl flights
Boston to Manchester flights
Boston to Dubrovnik flights
Boston to Sofia flights
Boston to Split flights

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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$594Average$1,094FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$679Average$783FlexibilityNo cancel feeOn-time77%
SWISSCheapest$696Average$945FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$784Average$1,078FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.