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

Currently, January is the cheapest month in which you can book a flight from Peoria, Illinois to Billings (average of $395). Flying from Peoria, Illinois to Billings in June is currently the most expensive (average of $512). 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.

In terms of precipitation, rainfall in Billings ranges from 0.5 - 2.2 inches per month. May is typically the wettest month, when rainfall can reach 2.2 in. January is typically the driest time to visit Billings when rainfall is around 0.5 in.

If weather is an important factor for your trip to Billings, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

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

When flying from Peoria, Illinois to Billings, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Peoria to Billings?

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

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

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

$330+ Flights from Peoria, IL to Billings

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Peoria to Billings with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Peoria to Billings

Round-trip from	$330 (American Airlines)

From Greater Peoria to Billings Logan Intl

Search Deals

Find flight deals from Peoria to Billings

Cheapest flights from Peoria to Billings
Explore the most affordable flight options available from Peoria to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Mon 9/16:00 amPIA - BIL

1 stop6h 49mAmerican Airlines

Tue 9/307:03 amBIL - PIA

1 stop6h 59mAmerican Airlines

Deal found 7/29

$330

Thu 8/76:45 amPIA - BIL

1 stop5h 51mUnited Airlines

Tue 8/122:35 pmBIL - PIA

1 stop5h 21mUnited Airlines

Deal found 7/30

$550

Best flights from Peoria to Billings
Discover carefully curated flight deals from Peoria to Billings that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Mon 9/16:00 amPIA - BIL

1 stop6h 49mAmerican Airlines

Tue 9/307:03 amBIL - PIA

1 stop6h 59mAmerican Airlines

Deal found 7/29

$330

Mon 9/13:55 pmPIA - BIL

2 stops7h 51mUnited Airlines

Tue 9/307:00 amBIL - PIA

2 stops8h 43mUnited Airlines

Deal found 7/29

$551

Last-minute flights from Peoria to Billings
Discover last-minute flight deals from Peoria to Billings. Data last updated July 30, 2025 and is based on user searches.

Sat 8/26:24 pmPIA - BIL

1 stop5h 51mAmerican Airlines

Mon 8/46:42 amBIL - PIA

1 stop7h 59mAmerican Airlines

Deal found 7/29

$389

Thu 8/78:00 pmPIA - BIL

1 stop16h 49mAmerican Airlines

Tue 8/127:00 amBIL - PIA

2 stops13h 55mAmerican Airlines

Deal found 7/28

$527

Thu 8/76:45 amPIA - BIL

1 stop5h 51mUnited Airlines

Tue 8/122:35 pmBIL - PIA

1 stop5h 21mUnited Airlines

Deal found 7/30

$550

Fly from

Fly to

Route

Depart

Return

Price

PeoriaBillings

PIA - BIL

PIABIL

Greater Peoria

Mon 9/1

6:00 am-11:49 am

1 stop6h 49m

Billings Logan Intl

Tue 9/30

7:03 am-3:02 pm

1 stop6h 59m

$330

PeoriaBillings

PIA - BIL

PIABIL

Greater Peoria

Mon 9/1

3:55 pm-10:46 pm

2 stops7h 51m

Billings Logan Intl

Tue 9/30

7:00 am-4:43 pm

2 stops8h 43m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Peoria to Billings

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

Reviews of airlines servicing Billings

Read reviews from past customers who have flown United Airlines and American Airlines from Peoria to Billings. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 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

8,896 reviews

United Airlines

7.4

Good

8,896 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

8,896 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

Can I find deals for flights from Peoria to Billings that include hotel bookings?
Yes. In addition to deals on Peoria to Billings flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Peoria to Billings?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Billings.
Can I find deals for business class flights from Peoria to Billings?
Yes. Cheapflights offers flight deals from Peoria to Billings 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 Billings?
Currently, January is the cheapest month in which you can book a flight from Peoria, Illinois to Billings (average of $395). Flying from Peoria, Illinois to Billings in June is currently the most expensive (average of $512). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Peoria to Billings

O'Hare Intl to Kalispell flights

O'Hare Intl to Bozeman flights

Midway to Kalispell flights

O'Hare Intl to Missoula flights

Midway to Bozeman flights

St. Louis to Kalispell flights

St. Louis to Missoula flights

O'Hare Intl to Billings flights

St. Louis to Bozeman flights

Bloomington to Kalispell flights

Midway to Missoula flights

St. Louis to Billings flights

O'Hare Intl to Helena flights

St. Louis to Great Falls flights

Peoria to Kalispell flights

Midway to Billings flights

O'Hare Intl to West Yellowstone flights

O'Hare Intl to Butte flights

Bloomington to Missoula flights

O'Hare Intl to Great Falls flights

O'Hare Intl to Cody flights

Peoria to Missoula flights

Peoria to Bozeman flights

St. Louis to Helena flights

Moline to Kalispell flights

Midway to Helena flights

Moline to Bozeman flights

Moline to Missoula flights

St. Louis to Cody flights

Bloomington to Bozeman flights

Peoria to Helena flights

Bloomington to Great Falls flights

St. Louis to Butte flights

Springfield to Bozeman flights

Springfield to Missoula flights

Midway to Great Falls flights

Midway to West Yellowstone flights

St. Louis to West Yellowstone flights

Dubuque to Kalispell flights

Champaign to Bozeman flights

Dubuque to Bozeman flights

Champaign to Billings flights

Bloomington to Helena flights

Midway to Cody flights

Other flights to Billings

Top airline flying from Peoria to Billings

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$394	Average$668	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$330+ Cheap flights from Peoria, IL to Billings (PIA - BIL)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Peoria to Billings with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Peoria to Billings

Round-trip from

Find flight deals from Peoria to Billings

Cheapest flights from Peoria to BillingsExplore the most affordable flight options available from Peoria to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from Peoria to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Peoria to Billings

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

Reviews of airlines servicing Billings

Read reviews from past customers who have flown United Airlines and American Airlines from Peoria to Billings. Users can see the overall rating for each airline as well as how each is rated 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 Billings. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Peoria to Billings?

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

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

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 Billings

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

Top airline flying from Peoria to Billings

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Peoria to Billings
Explore the most affordable flight options available from Peoria to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.