What are the cheapest airlines flying from Peoria, Illinois to Boise round-trip?

American Airlines, at $268, was found to be the cheapest airline from Peoria, Illinois to Boise. An alternate airline flying to your destination would be United Airlines. Users have found that American Airlines is 53% cheaper than the other options available to this destination.

What is the cheapest day to fly from Peoria, Illinois to Boise?

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

In terms of precipitation, rainfall in Boise ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Boise when rainfall is around 0.2 in.

If weather is an important factor for your trip to Boise, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest day to fly round-trip from Peoria, Illinois to Boise?

Sunday flights are generally found to be more expensive for flights from Peoria, Illinois to Boise. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boise.

What is the cheapest month to fly from Peoria, Illinois to Boise?

April is one of the best times of the year to fly to Boise from Peoria, Illinois. Prices for April average $575 per person but you can even find prices for as low as $318. The most expensive prices can be found in the month of February. Opting for a April flight can save you 46% on your journey compared to booking in February

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

A simple way to save on the total cost of your ticket is to fly from Peoria, Illinois to Boise at noon. If you’re flexible enough to do this you can expect to save up to 2% on your trip compared to booking a flight in the morning.

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

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

How can I find direct flights from Peoria to Boise?

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

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

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

$374+ Flights from Peoria, IL to Boise

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Cheap flight deals from Peoria to Boise

Round-trip from	$374 (Kiwi.com)
Popular in	February
Cheapest in	April
Average price	$348

From Greater Peoria to Boise Air Term. Gowen Fld

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($96 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Peoria to Boise

Cheapest flights from Peoria to Boise
Explore the most affordable flight options available from Peoria to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Wed 10/11:26 pmPIA - BOI

1 stop24h 55mMultiple Airlines

Sun 10/52:25 pmBOI - PIA

2 stops25h 31mMultiple Airlines

Deal found 8/13

$374

Tue 8/268:45 amPIA - BOI

1 stop5h 50mUnited Airlines

Sat 8/302:42 pmBOI - PIA

1 stop5h 30mUnited Airlines

Deal found 8/11

$399

Wed 10/110:48 amPIA - BOI

1 stop25h 51mUnited Airlines

Sat 10/42:39 pmBOI - PIA

1 stop5h 26mUnited Airlines

Deal found 8/13

$433

Tue 9/2310:49 amPIA - BOI

2 stops11h 25mUnited Airlines

Mon 9/298:20 amBOI - PIA

1 stop12h 55mUnited Airlines

Deal found 8/13

$481

Best flights from Peoria to Boise
Discover carefully curated flight deals from Peoria to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 10/11:26 pmPIA - BOI

1 stop24h 55mMultiple Airlines

Sun 10/52:25 pmBOI - PIA

2 stops25h 31mMultiple Airlines

Deal found 8/13

$374

Tue 8/263:55 pmPIA - BOI

1 stop7h 46mUnited Airlines

Sat 8/308:20 amBOI - PIA

1 stop7h 23mUnited Airlines

Deal found 8/12

$399

Wed 10/110:48 amPIA - BOI

1 stop25h 51mUnited Airlines

Sat 10/42:39 pmBOI - PIA

1 stop5h 26mUnited Airlines

Deal found 8/13

$433

Tue 9/2310:49 amPIA - BOI

2 stops11h 25mUnited Airlines

Mon 9/298:20 amBOI - PIA

1 stop12h 55mUnited Airlines

Deal found 8/13

$481

Last-minute flights from Peoria to Boise
Discover last-minute flight deals from Peoria to Boise. Data last updated August 14, 2025 and is based on user searches.

Tue 8/263:55 pmPIA - BOI

1 stop7h 46mUnited Airlines

Sat 8/308:20 amBOI - PIA

1 stop7h 23mUnited Airlines

Deal found 8/12

$399

Thu 9/115:19 pmPIA - BOI

2 stops21h 11mUnited Airlines

Tue 9/162:13 pmBOI - PIA

2 stops19h 00mUnited Airlines

Deal found 8/12

$554

Mon 9/223:55 pmPIA - BOI

1 stop7h 46mUnited Airlines

Mon 9/298:20 amBOI - PIA

1 stop12h 55mUnited Airlines

Deal found 8/13

$561

Tue 9/2310:49 amPIA - BOI

2 stops11h 25mUnited Airlines

Mon 9/298:20 amBOI - PIA

1 stop12h 55mUnited Airlines

Deal found 8/13

$481

Fly from

Fly to

Route

Depart

Return

Price

PeoriaBoise

PIA - BOI

PIABOI

Greater Peoria

Wed 10/1

1:26 pm-1:21 pm

1 stop24h 55m

Boise Air Term. Gowen Fld

Sun 10/5

2:25 pm-4:56 pm

2 stops25h 31m

$374

PeoriaBoise

PIA - BOI

PIABOI

Greater Peoria

Tue 8/26

3:55 pm-10:41 pm

1 stop7h 46m

Boise Air Term. Gowen Fld

Sat 8/30

8:20 am-4:43 pm

1 stop7h 23m

$399

PeoriaBoise

PIA - BOI

PIABOI

Greater Peoria

Wed 10/1

10:48 am-11:39 am

1 stop25h 51m

Boise Air Term. Gowen Fld

Sat 10/4

2:39 pm-9:05 pm

1 stop5h 26m

$433

PeoriaBoise

PIA - BOI

PIABOI

Greater Peoria

Tue 9/23

10:49 am-9:14 pm

2 stops11h 25m

Boise Air Term. Gowen Fld

Mon 9/29

8:20 am-10:15 pm

1 stop12h 55m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Best time to book a flight from Peoria to Boise

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

What is the cheapest month to book a flight from Peoria, Illinois to Boise?

Currently, October is the cheapest month in which you can book a flight from Peoria, Illinois to Boise (average of $314). Flying from Peoria, Illinois to Boise in June is currently the most expensive (average of $399). 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.

Reviews of airlines servicing Boise

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Peoria to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,916 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,916 reviews

United Airlines

7.4

Good

8,916 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,916 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What are the cheapest airlines flying from Peoria, Illinois to Boise round-trip?
American Airlines, at $268, was found to be the cheapest airline from Peoria, Illinois to Boise. An alternate airline flying to your destination would be United Airlines. Users have found that American Airlines is 53% cheaper than the other options available to this destination.
Can I find deals for flights from Peoria to Boise that include hotel bookings?
Yes. In addition to deals on Peoria to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Peoria to Boise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Boise.
Can I find deals for business class flights from Peoria to Boise?
Yes. Cheapflights offers flight deals from Peoria to Boise 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 Peoria, Illinois to Boise?
Currently, October is the cheapest month in which you can book a flight from Peoria, Illinois to Boise (average of $314). Flying from Peoria, Illinois to Boise in June is currently the most expensive (average of $399). 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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Caldwell

McCall

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Top 2 airlines flying from Peoria to Boise

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$268	Average$480	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$320	Average$608	FlexibilityNo cancel fee	On-time69%

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$374+ Cheap flights from Peoria, IL to Boise (PIA - BOI)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Peoria to Boise

Round-trip from

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Find flight deals from Peoria to Boise

Cheapest flights from Peoria to BoiseExplore the most affordable flight options available from Peoria to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Peoria to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Peoria to Boise

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

Cheapflights Insights

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

What is the cheapest month to book a flight from Peoria, Illinois to Boise?

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated August 14, 2025.

Peruse reviews from past customers who have flown with United Airlines and American Airlines from Peoria to Boise to help guide your decision. You can also see how each airline stacks up 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 Peoria to Boise. 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 Peoria, Illinois to Boise round-trip?

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

How can I find direct flights from Peoria to Boise?

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

What is the cheapest month to book a flight from Peoria, Illinois to Boise?

Traveling to a place near Boise?

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 Peoria to Boise

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

Top 2 airlines flying from Peoria to Boise

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Cheapest flights from Peoria to Boise
Explore the most affordable flight options available from Peoria to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.