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

According to our current data, Delta ($670), KLM ($749), and United Airlines ($885) offers the cheapest pricing from Boise to Zagreb. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest month to book a flight from Boise to Zagreb?

Currently, November is the cheapest month in which you can book a flight from Boise to Zagreb (average of $641). Flying from Boise 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.

What is the cheapest day to fly from Boise to Zagreb?

Travelers seeking maximum savings on their Boise to Zagreb flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Zagreb ranges from 1.9 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Zagreb when rainfall is around 1.9 in.

If weather is an important factor for your trip to Zagreb, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular airlines that fly from Boise to Zagreb?

Before booking your flight from Boise to Zagreb check out the most popular airlines for this route: Delta, KLM or Lufthansa.

What is the cheapest day to fly round-trip from Boise to Zagreb?

Users have found that flying from Boise to Zagreb on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Boise to Zagreb?

March is one of the best times of the year to fly to Zagreb from Boise. Prices for March average $1,117 per person but you can even find prices for as low as $670. The most expensive prices can be found in the month of December. Opting for a March flight can save you 40% on your journey compared to booking in December

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

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

How can I find direct flights from Boise to Zagreb?

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

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

Yes. Cheapflights offers flight deals from Boise 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.

Find Cheap Flights from Boise to Zagreb

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Cheap flight deals from Boise to Zagreb

Popular in	December
Cheapest in	March
Average price	$866

Highest demand for flights based on searches. 6% potential increase in price ($79 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Best time to book a flight from Boise to Zagreb

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

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

One of the essential ways to save on airfare from Boise to Zagreb is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 24% on airfare.

Reviews of airlines servicing Zagreb

See what other customers who have flown with Delta, KLM, and United Airlines from Boise to Zagreb 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

7,956 reviews

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

7,956 reviews

Delta

8.0

Very good

7,956 reviews

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

7,956 reviews

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!

United Airlines

7.4

Good

8,931 reviews

Delta

8.0

Very good

7,956 reviews

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

7,956 reviews

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

What are the cheapest airlines flying from Boise to Zagreb round-trip?
According to our current data, Delta ($670), KLM ($749), and United Airlines ($885) offers the cheapest pricing from Boise to Zagreb. Delta is 40% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Boise to Zagreb that include hotel bookings?
Yes. In addition to deals on Boise to Zagreb flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to Zagreb?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Zagreb.
Can I find deals for business class flights from Boise to Zagreb?
Yes. Cheapflights offers flight deals from Boise 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 Boise to Zagreb?
Currently, November is the cheapest month in which you can book a flight from Boise to Zagreb (average of $641). Flying from Boise 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.

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Top 4 airlines flying from Boise to Zagreb

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$670	Average$1,091	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$749	Average$927	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$885	Average$1,472	FlexibilityNo cancel fee	On-time69%
Lufthansa	Cheapest$975	Average$1,317	FlexibilityNo cancel fee	On-time76%

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Cheap flights from Boise (BOI) to Zagreb (ZAG)

Find cheap flights from Boise to Zagreb with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Zagreb

Popular in

Cheapest in

Average price

Best time to book a flight from Boise to Zagreb

Have a flexible travel schedule? Discover the best time to fly to Zagreb from Boise with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Boise to Zagreb

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

Reviews of airlines servicing Zagreb

See what other customers who have flown with Delta, KLM, and United Airlines from Boise to Zagreb have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Boise to Zagreb. 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 Boise to Zagreb round-trip?

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

How can I find direct flights from Boise to Zagreb?

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

What is the cheapest month to book a flight from Boise to Zagreb?

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 Boise to Zagreb

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Boise to Zagreb

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