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$305+ Cheap flights from Boston (BOS) to Ljubljana (LJU)

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
juil. 8 — juil. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Ljubljana Joze Pucnik are usually found in January or February, booked 86 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Boston to Ljubljana

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Ljubljana (LJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated juillet 3, 2025.

Round-trip from

$448
(FlightHub)

One-way from

$305
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,110
From Boston Logan Intl to Ljubljana Joze Pucnik
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One-way flight from Boston Logan Intl to Ljubljana Joze Pucnik
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Highest demand for flights based on searches. 22% potential increase in price ($284 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 July 2025
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Find flight deals from Boston to Ljubljana

Cheapest flights from Boston to Ljubljana
Explore the most affordable flight options available from Boston to Ljubljana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juillet 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
mar. 11/49:55 pmBOS - LJU
1 stop10h 10mSWISS
mar. 11/112:55 pmLJU - BOS
1 stop11h 25mSWISS
Deal found 7/1$367
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/59:55 pmBOS - LJU
1 stop9h 40mMultiple Airlines
mer. 11/126:30 amLJU - BOS
2 stops18h 42mMultiple Airlines
Deal found 7/1$369
This Lufthansa deal was found by Cheapflights users on 7/2. 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.
lun. 11/38:40 pmBOS - LJU
1 stop10h 05mLufthansa
lun. 11/108:05 pmLJU - BOS
1 stop28h 30mLufthansa
Deal found 7/2$412
This Delta deal was found by Cheapflights users on 7/2. 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.
mer. 11/59:10 amBOS - LJU
2 stops20h 55mDelta
mar. 11/1112:35 pmLJU - BOS
1 stop30h 45mDelta
Deal found 7/2$425
This British Airways deal was found by Cheapflights users on 7/2. 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.
jeu. 8/147:45 pmBOS - LJU
1 stop18h 35mBritish Airways
mar. 8/195:00 pmLJU - BOS
2 stops29h 56mBritish Airways
Deal found 7/2$482
This Finnair deal was found by Cheapflights users on 7/1. 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.
jeu. 8/145:59 pmBOS - LJU
2 stops32h 46mFinnair
mar. 8/199:30 amLJU - BOS
2 stops31h 55mFinnair
Deal found 7/1$495

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Ljubljana 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 juillet 3, 2025.
Use the filters below to find and compare flights from Boston to Ljubljana that are best for you.

Fly from

Boston

Fly to

Ljubljana

Route

Depart

Return

Price

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mar. 11/4

9:55 pm-2:05 pm

1 stop10h 10m

Ljubljana Joze Pucnik

mar. 11/11

2:55 pm-8:20 pm

1 stop11h 25m

$367

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mer. 11/5

9:55 pm-1:35 pm

1 stop9h 40m

Ljubljana Joze Pucnik

mer. 11/12

6:30 am-7:12 pm

2 stops18h 42m

$369

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

lun. 11/3

8:40 pm-12:45 pm

1 stop10h 05m

Ljubljana Joze Pucnik

mer. 11/12

9:55 am-11:42 pm

2 stops19h 47m

$412

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mer. 11/5

9:10 am-12:05 pm

2 stops20h 55m

Ljubljana Joze Pucnik

mar. 11/11

12:35 pm-1:20 pm

1 stop30h 45m

$425

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

jeu. 8/14

7:45 pm-8:20 pm

1 stop18h 35m

Ljubljana Joze Pucnik

mar. 8/19

5:00 pm-4:56 pm

2 stops29h 56m

$482

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

jeu. 8/14

5:59 pm-8:45 am

2 stops32h 46m

Ljubljana Joze Pucnik

mar. 8/19

9:30 am-11:25 am

2 stops31h 55m

$495

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

dim. 8/10

11:35 pm-8:40 am

2 stops27h 05m

$305

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mar. 9/2

9:40 pm-10:05 am

1 stop30h 25m

$351

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

sam. 8/9

8:59 pm-12:05 pm

2 stops57h 06m

$402

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

mer. 7/9

8:05 pm-8:55 am

1 stop30h 50m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 results
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Best time to book a flight from Boston to Ljubljana

Have a flexible travel schedule? Discover the best time to fly to Ljubljana 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 Ljubljana

How far ahead should I book a flight from Boston to Ljubljana?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Ljubljana. Price data was last updated on June 27, 2025.

The best time to book flights from Boston to Ljubljana is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Ljubljana?

Currently, February is the cheapest month in which you can book a flight from Boston to Ljubljana (average of $710). Flying from Boston to Ljubljana in June is currently the most expensive (average of $1,449). 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 LJU?

Find hourly flight availability from Boston to Ljubljana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juillet 3, 2025.

It’s typically best to fly out from Boston to Ljubljana in the afternoon. Doing so could potentially save you 13% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Boston to Ljubljana?

Reviews of airlines servicing Ljubljana

Get insights into the airlines that provide service to Ljubljana. 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 Ljubljana. Reviews last updated juillet 3, 2025.
See what other customers who have flown with Delta, KLM, and Finnair from Boston to Ljubljana 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
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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!
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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!
Finnair
7.6
Good
1,306 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very good
7,982 reviews

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

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 Ljubljana. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Boston to Ljubljana round-trip?

    According to our current data, SWISS ($459), British Airways ($482), and Finnair ($495) offers the cheapest pricing from Boston to Ljubljana. These flights start at 52% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Boston to Ljubljana are SWISS ($351), Delta ($402), and Lufthansa ($410).

  • Can I find deals for flights from Boston to Ljubljana that include hotel bookings?

    Yes. In addition to deals on Boston to Ljubljana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Ljubljana?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Ljubljana.

  • Can I find deals for business class flights from Boston to Ljubljana?

    Yes. Cheapflights offers flight deals from Boston to Ljubljana 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 Ljubljana?

    Currently, February is the cheapest month in which you can book a flight from Boston to Ljubljana (average of $710). Flying from Boston to Ljubljana in June is currently the most expensive (average of $1,449). 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 Ljubljana

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Top 5 airlines flying from Boston to Ljubljana

Discover the top 5 airlines that operate flights from Boston to Ljubljana. 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 juillet 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$467Average$1,094FlexibilityNo cancel feeOn-time75%
SWISSCheapest$655Average$919FlexibilityNo cancel feeOn-time79%
DeltaCheapest$656Average$1,022FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$666Average$1,073FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$679Average$784FlexibilityNo cancel feeOn-time77%

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