How long is the flight from Boise to Košice?

Departing from Boise to Košice will take you 23h 28m. The distance from Boise to Košice is about 5559 mi.

In terms of precipitation, rainfall in Košice ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Košice when rainfall is around 0.8 in.

If weather is an important factor for your trip to Košice, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Košice as you normally would.

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

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

How can I find direct flights from Boise to Košice?

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

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

Yes. Cheapflights offers flight deals from Boise to Košice by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,278+ Flights from Boise to Košice

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Cheap flight deals from Boise to Košice

Round-trip from	$1,278 (KAYAK)

From Boise Air Term. Gowen Fld to Košice Barca

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Find flight deals from Boise to Košice

Cheapest flights from Boise to Košice
Explore the most affordable flight options available from Boise to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

Thu 3/267:47 am

BOI

KSC

3 stops23h 28m

Lufthansa

Tue 4/142:45 pm

KSC

BOI

3 stops38h 37m

Lufthansa

Deal found 1/13

$1,278

Thu 3/128:27 pm

BOI

KSC

3 stops67h 48m

Multiple Airlines

Tue 3/242:55 pm

KSC

BOI

3 stops37h 34m

Multiple Airlines

Deal found 1/14

$1,509

Thu 3/121:31 pm

BOI

KSC

2 stops41h 44m

Austrian Airlines

Tue 3/242:55 pm

KSC

BOI

2 stops39h 01m

Austrian Airlines

Deal found 1/14

$3,905

Best flights from Boise to Košice
Discover carefully curated flight deals from Boise to Košice that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 15, 2026.

Thu 3/267:47 am

BOI

KSC

3 stops23h 28m

Lufthansa

Tue 4/142:45 pm

KSC

BOI

3 stops38h 37m

Lufthansa

Deal found 1/13

$1,278

Thu 3/128:27 pm

BOI

KSC

3 stops67h 48m

Multiple Airlines

Tue 3/242:55 pm

KSC

BOI

3 stops37h 34m

Multiple Airlines

Deal found 1/14

$1,509

Thu 3/121:31 pm

BOI

KSC

2 stops41h 44m

Austrian Airlines

Tue 3/242:55 pm

KSC

BOI

2 stops39h 01m

Austrian Airlines

Deal found 1/14

$3,905

Fly from

Fly to

Route

Depart

Return

Price

BoiseKošice

BOI - KSC

BOIKSC

Boise Air Term. Gowen Fld

Thu 3/26

7:47 am-2:15 pm

3 stops23h 28m

Košice Barca

Tue 4/14

2:45 pm-9:22 pm

3 stops38h 37m

$1,278

BoiseKošice

BOI - KSC

BOIKSC

Boise Air Term. Gowen Fld

Thu 3/12

8:27 pm-11:15 pm

3 stops67h 48m

Košice Barca

Tue 3/24

2:55 pm-9:29 pm

3 stops37h 34m

$1,509

BoiseKošice

BOI - KSC

BOIKSC

Boise Air Term. Gowen Fld

Thu 3/12

1:31 pm-2:15 pm

2 stops41h 44m

Košice Barca

Tue 3/24

2:55 pm-10:56 pm

2 stops39h 01m

$3,905

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Best time to book a flight from Boise to Košice

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

Related info for your journey

How long is the flight from Boise to Košice?
Departing from Boise to Košice will take you 23h 28m. The distance from Boise to Košice is about 5559 mi.
Can I find deals for flights from Boise to Košice that include hotel bookings?
Yes. In addition to deals on Boise to Košice flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to Košice?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Košice.
Can I find deals for business class flights from Boise to Košice?
Yes. Cheapflights offers flight deals from Boise to Košice by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Košice 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 Košice

Round-trip from

Find flight deals from Boise to Košice

Cheapest flights from Boise to Košice
Explore the most affordable flight options available from Boise to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

Explore the most affordable flight options available from Boise to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

Best flights from Boise to Košice
Discover carefully curated flight deals from Boise to Košice that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 15, 2026.

Discover carefully curated flight deals from Boise to Košice that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 15, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Košice that are best for you.

Best time to book a flight from Boise to Košice

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

Related info for your journey

Find useful and relevant information for your journey from Boise to Košice. 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 Boise to Košice?

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

How can I find direct flights from Boise to Košice?

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

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.

Complete your trip

Complete your trip to Košice by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Boise to Košice by cabin class

Find flights from Boise to Košice, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Košice

Explore flights to Košice departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on January 15, 2026.

Boise and Košice flights

Browse other Boise and Košice flight options. Last updated on January 15, 2026.

Other flights from Boise

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$1,278+ Cheap flights from Boise (BOI) to Košice (KSC)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Košice 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 Košice

Round-trip from

Find flight deals from Boise to Košice

Cheapest flights from Boise to KošiceExplore the most affordable flight options available from Boise to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

Explore the most affordable flight options available from Boise to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Košice that are best for you.

Best time to book a flight from Boise to Košice

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

Related info for your journey

Find useful and relevant information for your journey from Boise to Košice. 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 Boise to Košice?

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

How can I find direct flights from Boise to Košice?

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

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.

Complete your trip

Complete your trip to Košice by adding a car rental and/or hotel reservation to your travel itinerary.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Boise to Košice
Explore the most affordable flight options available from Boise to Košice. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.