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Zagreb

$617+ Cheap flights from Louisville (SDF) to Zagreb (ZAG)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — ZAG
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Louisville to Zagreb

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Zagreb (ZAG). 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 16, 2025.

Round-trip from

$603
(United)

Popular in

December

Cheapest in

August

Average price

$776
From Louisville Intl to Zagreb Franjo Tuđman
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Highest demand for flights based on searches. 27% potential increase in price ($445 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($139 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 Louisville to Zagreb

Cheapest flights from Louisville to Zagreb
Explore the most affordable flight options available from Louisville to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:35 pmSDF - ZAG
2 stops25h 40mUnited Airlines
Fri 11/76:15 amZAG - SDF
2 stops22h 14mUnited Airlines
Deal found 9/16$656
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:15 pmSDF - ZAG
3 stops25h 20mMultiple Airlines
Fri 11/76:55 amZAG - SDF
2 stops17h 13mMultiple Airlines
Deal found 9/16$998
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:02 pmSDF - ZAG
3 stops18h 48mAir Canada
Fri 11/76:15 amZAG - SDF
3 stops20h 29mAir Canada
Deal found 9/16$1,304
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:50 amSDF - ZAG
2 stops29h 25mUnited Airlines
Sun 1/42:35 pmZAG - SDF
2 stops36h 18mUnited Airlines
Deal found 9/14$1,685
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:50 amSDF - ZAG
3 stops18h 00mAir Canada
Sun 1/46:55 amZAG - SDF
3 stops21h 35mAir Canada
Deal found 9/14$2,400
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:46 pmSDF - ZAG
3 stops24h 49mMultiple Airlines
Sun 1/45:55 pmZAG - SDF
2 stops30h 26mMultiple Airlines
Deal found 9/15$2,742

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Zagreb 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 16, 2025.
Use the filters below to find and compare flights from Louisville to Zagreb that are best for you.

Fly from

Louisville

Fly to

Zagreb

Route

Depart

Return

Price

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Sun 3/1

2:59 pm-1:15 pm

2 stops16h 16m

Zagreb Franjo Tuđman

Wed 4/8

12:55 pm-11:56 pm

2 stops17h 01m

$617

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Sun 3/1

7:00 am-2:35 pm

2 stops25h 35m

Zagreb Franjo Tuđman

Mon 4/6

12:55 pm-7:02 pm

2 stops36h 07m

$644

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Fri 10/31

3:35 pm-10:15 pm

2 stops25h 40m

Zagreb Franjo Tuđman

Fri 11/7

6:15 am-10:29 pm

2 stops22h 14m

$656

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Wed 3/11

1:55 pm-10:25 pm

2 stops27h 30m

Zagreb Franjo Tuđman

Sun 3/15

2:35 pm-8:14 pm

2 stops34h 39m

$663

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Sun 3/1

6:26 pm-2:35 pm

2 stops14h 09m

Zagreb Franjo Tuđman

Sat 4/4

12:55 pm-11:56 pm

2 stops17h 01m

$732

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Sun 3/1

6:26 pm-2:35 pm

2 stops14h 09m

Zagreb Franjo Tuđman

Fri 4/10

6:00 am-5:42 pm

2 stops17h 42m

$734

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Sun 3/1

7:23 pm-8:05 pm

2 stops18h 42m

Zagreb Franjo Tuđman

Tue 4/7

2:45 pm-7:02 pm

3 stops34h 17m

$892

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Sun 3/1

1:47 pm-9:10 am

2 stops13h 23m

Zagreb Franjo Tuđman

Sun 4/5

7:40 am-10:09 pm

2 stops20h 29m

$917

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Fri 10/31

2:15 pm-8:35 pm

3 stops25h 20m

Zagreb Franjo Tuđman

Fri 11/7

6:55 am-6:08 pm

2 stops17h 13m

$998

LouisvilleZagreb

SDF - ZAG

SDFZAG

Louisville Intl

Sun 3/1

8:15 am-10:50 am

3 stops20h 35m

Zagreb Franjo Tuđman

Tue 4/7

6:45 am-10:30 pm

3 stops21h 45m

$1,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Louisville to Zagreb

Have a flexible travel schedule? Discover the best time to fly to Zagreb from Louisville 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 Louisville to Zagreb

What is the cheapest time of day to fly from SDF to ZAG?

Find hourly flight availability from Louisville to Zagreb. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Louisville to Zagreb, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 41% versus a flight at noon.

Reviews of airlines servicing Zagreb

Get insights into the airlines that provide service to Zagreb. 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 Zagreb. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Lufthansa from Louisville to Zagreb by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
7,957 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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
7,957 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

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 Louisville to Zagreb. 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 Louisville to Zagreb?

    Airlines like Delta and United Airlines fly from Louisville to Zagreb in about 25h 35m. The time it takes to get you to your destination can typically vary by up to 05m. There are 4882 mi between Louisville and Zagreb. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Louisville to Zagreb round-trip?

    Cheapflights users have booked flights from Louisville to Zagreb round-trip from $666. Other airlines that can offer you cheap pricing are KLM, from $721, and Delta, from $776. These flights start at 43% lower than the current average price 3 months from now.

  • Can I find deals for flights from Louisville to Zagreb that include hotel bookings?

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

  • How can I find direct flights from Louisville to Zagreb?

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

  • Can I find deals for business class flights from Louisville to Zagreb?

    Yes. Cheapflights offers flight deals from Louisville to Zagreb 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 Louisville to Zagreb?

    Currently, November is the cheapest month in which you can book a flight from Louisville to Zagreb (average of $641). Flying from Louisville to Zagreb in June is currently the most expensive (average of $1,257). 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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Top 3 airlines flying from Louisville to Zagreb

Discover the top 3 airlines that operate flights from Louisville to Zagreb. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$666Average$1,170FlexibilityNo cancel feeOn-time76%
KLMCheapest$721Average$1,012FlexibilityNo cancel feeOn-time75%
DeltaCheapest$776Average$1,153FlexibilityNo cancel feeOn-timeN/A

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