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Ljubljana

$249+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LJU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 October, booked 24 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 September 15, 2025.

Round-trip from

$507
(Kiwi.com)

One-way from

$249
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$898
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. 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 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sun 9/219:40 pmBOS - LJU
1 stop14h 55mSWISS
Tue 10/710:50 amLJU - BOS
1 stop10h 35mSWISS
Deal found 9/14$507
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/2910:50 pmBOS - LJU
1 stop9h 45mSWISS
Sun 11/92:30 pmLJU - BOS
1 stop11h 50mSWISS
Deal found 9/13$508
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.
Mon 9/229:40 pmBOS - LJU
1 stop14h 55mSWISS
Tue 10/77:20 pmLJU - BOS
1 stop26h 05mSWISS
Deal found 9/15$522
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Wed 10/299:40 pmBOS - LJU
1 stop16h 50mMultiple Airlines
Sat 11/82:50 pmLJU - BOS
1 stop11h 30mMultiple Airlines
Deal found 9/13$526
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.
Mon 9/229:40 pmBOS - LJU
1 stop30h 25mMultiple Airlines
Tue 10/79:35 amLJU - BOS
1 stop14h 05mMultiple Airlines
Deal found 9/15$534
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Wed 10/299:40 pmBOS - LJU
1 stop16h 50mLufthansa
Sat 11/89:45 amLJU - BOS
2 stops19h 57mLufthansa
Deal found 9/14$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.
Mon 9/2212:00 pmBOS - LJU
2 stops17h 35mDelta
Tue 10/712:20 pmLJU - BOS
1 stop14h 00mDelta
Deal found 9/15$539
This Delta deal was found by Cheapflights users on 9/14. 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 9/2110:20 pmBOS - LJU
1 stop31h 15mDelta
Tue 10/712:20 pmLJU - BOS
2 stops24h 50mDelta
Deal found 9/14$546
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.
Wed 10/298:10 pmBOS - LJU
1 stop17h 45mMultiple Airlines
Sun 11/912:45 pmLJU - BOS
2 stops18h 37mMultiple Airlines
Deal found 9/15$559

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 September 15, 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

Wed 10/29

10:50 pm-1:35 pm

1 stop9h 45m

Ljubljana Joze Pucnik

Sun 11/9

2:30 pm-8:20 pm

1 stop11h 50m

$508

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 9/22

9:40 pm-6:35 pm

1 stop14h 55m

Ljubljana Joze Pucnik

Tue 10/7

7:20 pm-3:25 pm

1 stop26h 05m

$522

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 10/29

9:40 pm-7:30 pm

1 stop16h 50m

Ljubljana Joze Pucnik

Sun 11/9

2:30 pm-8:20 pm

1 stop11h 50m

$526

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 10/29

9:40 pm-7:30 pm

1 stop16h 50m

Ljubljana Joze Pucnik

Sat 11/8

2:50 pm-8:20 pm

1 stop11h 30m

$526

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 9/22

9:40 pm-10:05 am

1 stop30h 25m

Ljubljana Joze Pucnik

Tue 10/7

9:35 am-5:40 pm

1 stop14h 05m

$534

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Thu 10/30

9:40 pm-7:30 pm

1 stop16h 50m

Ljubljana Joze Pucnik

Sat 11/8

9:45 am-11:42 pm

2 stops19h 57m

$537

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Wed 10/29

9:40 pm-7:30 pm

1 stop16h 50m

Ljubljana Joze Pucnik

Sat 11/8

9:45 am-11:42 pm

2 stops19h 57m

$537

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Mon 9/22

12:00 pm-11:35 am

2 stops17h 35m

Ljubljana Joze Pucnik

Tue 10/7

12:20 pm-8:20 pm

1 stop14h 00m

$539

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sat 12/6

10:40 pm-3:15 pm

1 stop10h 35m

$249

BostonLjubljana

BOS - LJU

BOSLJU

Boston Logan Intl

Sun 12/7

5:10 pm-9:35 am

2 stops34h 25m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 14 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 September 12, 2025.

The best time to book flights from Boston to Ljubljana is 22 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 $1,442). 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 September 15, 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.

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 September 15, 2025.
See what other customers who have flown with Delta, KLM, and SWISS 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
7,954 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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
1,385 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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
1,730 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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!
Turkish Airlines
7.3
Good
3,968 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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!
Lufthansa
6.8
Okay
7,407 reviews
Delta
8.0
Very good
7,954 reviews

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

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.

  • How long is the flight from Boston to Ljubljana?

    Airlines like SWISS fly from Boston to Ljubljana in about 9h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from Boston to Ljubljana is about 4018 mi.

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

    According to our current data, SWISS ($441), KLM ($467), and Lufthansa ($538) offers the cheapest pricing from Boston to Ljubljana. These flights start at 52% lower than the current average price 3 months from now.

  • 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 $1,442). 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

Traveling to a place near Ljubljana?

Book flights to Ljubljana if you plan to visit one of these locations
Kranjska Gora

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$441Average$898FlexibilityNo cancel feeOn-time79%
KLMCheapest$467Average$1,017FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$538Average$1,070FlexibilityNo cancel feeOn-time76%
DeltaCheapest$656Average$1,022FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$679Average$801FlexibilityNo cancel feeOn-time77%

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