$398+ Cheap flights from Billings to Peoria, IL (BIL - PIA)
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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — PIA
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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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
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Cheapest
Best
Last-minute
Cheapest flights from Billings to PeoriaExplore the most affordable flight options available from Billings to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Billings to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:21 pm -
2 stops9h 49m
Fri 11/612:25 pm -
1 stop9h 15m
Deal found 9/6![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/275:00 am -
2 stops7h 53m
Fri 11/610:43 am -
2 stops11h 31m
Deal found 9/7![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 9/2210:30 am -
2 stops11h 43m
Sat 9/268:45 am -
1 stop5h 29m
Deal found 9/7![United Airlines logo]()
$547
Best flights from Billings to PeoriaDiscover carefully curated flight deals from Billings to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Billings to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:21 pm -
2 stops9h 49m
Fri 11/612:25 pm -
1 stop9h 15m
Deal found 9/7![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/275:00 am -
2 stops7h 53m
Fri 11/610:43 am -
2 stops11h 31m
Deal found 9/7![United Airlines logo]()
$514
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 9/2210:30 am -
2 stops11h 43m
Sat 9/268:45 am -
1 stop5h 29m
Deal found 9/7![United Airlines logo]()
$547
Last-minute flights from Billings to PeoriaDiscover last-minute flight deals from Billings to Peoria. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Billings to Peoria. Data last updated September 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 9/2210:30 am -
2 stops11h 43m
Sat 9/268:45 am -
1 stop5h 29m
Deal found 9/7![United Airlines logo]()
$547
This American Airlines deal was found by Cheapflights users on 9/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:21 pm -
2 stops9h 49m
Fri 11/612:25 pm -
1 stop9h 15m
Deal found 9/6![American Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/275:00 am -
2 stops7h 53m
Fri 11/610:43 am -
2 stops11h 31m
Deal found 9/7![United Airlines logo]()
$514
Find flight deals from Billings to Peoria
Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Peoria (PIA). 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 8, 2026.
Round-trip from | $398 (American Airlines) |
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Cheapflights Fare Finder
Customize your flight search to find flights from Billings to Peoria 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 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from Billings to Peoria that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BillingsPeoria
BIL Billings Logan Intl - PIA Greater Peoria
BILPIA
Billings Logan Intl
Tue 10/27
1:21 pm-12:10 am
2 stops9h 49m
Greater Peoria
Fri 11/6
12:25 pm-8:40 pm
1 stop9h 15m
$398
BillingsPeoria
BIL Billings Logan Intl - PIA Greater Peoria
BILPIA
Billings Logan Intl
Tue 10/27
5:00 am-1:53 pm
2 stops7h 53m
Greater Peoria
Fri 11/6
10:43 am-9:14 pm
2 stops11h 31m
$514
Quickest round-trip
BillingsPeoria
BIL Billings Logan Intl - PIA Greater Peoria
BILPIA
Billings Logan Intl
Tue 9/22
10:30 am-11:13 pm
2 stops11h 43m
Greater Peoria
Sat 9/26
8:45 am-1:14 pm
1 stop5h 29m
$547
Sorted by cheapest first
Best time to book a flight from Billings to Peoria
Have a flexible travel schedule? Discover the best time to fly to Peoria from Billings with our price prediction graph.
BIL-PIA
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
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