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Slovenia

$415+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LJU
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$504
(FlightHub)

One-way from

$415
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$898
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. 24% potential increase in price ($301 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($59 potential savings vs. average RT price).
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Average for round-trip flights in September 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 septiembre 17, 2025.

This FlightHub deal was found by Cheapflights users on 9/17. 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.
lun. 10/69:35 pmBOS - LJU
1 stop33h 35mTurkish Airlines
mar. 10/149:25 amLJU - BOS
1 stop16h 15mTurkish Airlines
Deal found 9/17$504
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/55:05 pmBOS - LJU
1 stop11h 00mSWISS
mar. 10/2110:50 amLJU - BOS
1 stop15h 05mSWISS
Deal found 9/17$514
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2910:50 pmBOS - LJU
1 stop9h 45mSWISS
dom. 11/92:30 pmLJU - BOS
1 stop11h 50mSWISS
Deal found 9/15$517
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/229:40 pmBOS - LJU
1 stop14h 55mSWISS
mar. 10/77:20 pmLJU - BOS
1 stop26h 05mSWISS
Deal found 9/15$522
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/229:40 pmBOS - LJU
1 stop30h 25mMultiple Airlines
mar. 10/79:35 amLJU - BOS
1 stop14h 05mMultiple Airlines
Deal found 9/15$534
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/299:40 pmBOS - LJU
1 stop16h 50mLufthansa
sáb. 11/89:45 amLJU - BOS
2 stops19h 57mLufthansa
Deal found 9/15$537
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/2212:00 pmBOS - LJU
2 stops17h 35mDelta
mar. 10/712:20 pmLJU - BOS
1 stop14h 00mDelta
Deal found 9/15$539
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
dom. 11/29:50 pmBOS - LJU
1 stop10h 30mSWISS
lun. 11/103:10 pmLJU - BOS
1 stop11h 10mSWISS
Deal found 9/16$552
This KLM deal was found by Cheapflights users on 9/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/298:10 pmBOS - LJU
1 stop17h 45mMultiple Airlines
dom. 11/912:45 pmLJU - BOS
2 stops18h 37mMultiple Airlines
Deal found 9/15$559
This Expedia deal was found by Cheapflights users on 9/16. 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.
dom. 11/29:50 pmBOS - LJU
1 stop18h 35mMultiple Airlines
lun. 11/106:30 amLJU - BOS
2 stops18h 42mMultiple Airlines
Deal found 9/16$562
This Travelocity deal was found by Cheapflights users on 9/17. 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.
lun. 10/66:00 amBOS - LJU
2 stops21h 35mMultiple Airlines
mar. 10/148:00 pmLJU - BOS
1 stop27h 40mMultiple Airlines
Deal found 9/17$565

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 septiembre 17, 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

lun. 10/6

9:35 pm-1:10 pm

1 stop33h 35m

Ljubljana Joze Pucnik

mar. 10/14

9:25 am-7:40 pm

1 stop16h 15m

$504

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

dom. 10/5

5:05 pm-10:05 am

1 stop11h 00m

Ljubljana Joze Pucnik

mar. 10/21

10:50 am-7:55 pm

1 stop15h 05m

$514

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

jue. 10/30

10:50 pm-1:35 pm

1 stop9h 45m

Ljubljana Joze Pucnik

sáb. 11/8

2:50 pm-8:20 pm

1 stop11h 30m

$517

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mié. 10/29

10:50 pm-1:35 pm

1 stop9h 45m

Ljubljana Joze Pucnik

sáb. 11/8

2:50 pm-8:20 pm

1 stop11h 30m

$517

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mié. 10/29

10:50 pm-1:35 pm

1 stop9h 45m

Ljubljana Joze Pucnik

dom. 11/9

2:30 pm-8:20 pm

1 stop11h 50m

$517

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

vie. 1/16

5:30 am-2:00 pm

2 stops26h 30m

Ljubljana Joze Pucnik

lun. 1/26

6:30 am-7:42 pm

2 stops19h 12m

$525

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

vie. 1/16

6:30 pm-11:40 am

1 stop11h 10m

Ljubljana Joze Pucnik

lun. 1/26

12:50 pm-1:25 pm

1 stop30h 35m

$536

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mié. 11/26

9:50 pm-1:35 pm

1 stop9h 45m

$415

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

jue. 10/9

10:25 pm-7:10 pm

3 stops38h 45m

$431

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mié. 11/26

1:10 pm-12:20 pm

2 stops17h 10m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 12 results
1
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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 $1,434). 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 septiembre 17, 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 septiembre 17, 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.
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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
1,386 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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!
SWISS
7.6
Good
1,737 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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!
Turkish Airlines
7.3
Good
3,965 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,961 reviews

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

Boarding

8.2

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.

  • How long is the flight from Boston to Slovenia?

    There are many flights that can get you from Boston to Slovenia in 11h. Fly via Turkish Airlines or SWISS 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, 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 $1,434). 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

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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$441Average$919FlexibilityNo 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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