$449+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — BIL
Oct 11 — Oct 181
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
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
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Best
Last-minute
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 September 11, 2026.
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 September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 9/168:45 am -
1 stop5h 36m
Tue 9/222:29 pm -
1 stop5h 16m
Deal found 9/11![United Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:33 pm -
1 stop21h 48m
Mon 9/281:19 pm -
1 stop24h 18m
Deal found 9/9![Allegiant Air logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 9/126:05 am -
1 stop5h 57m
Mon 9/142:29 pm -
2 stops22h 10m
Deal found 9/8![United Airlines logo]()
$756
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 9/246:15 am -
2 stops28h 31m
Mon 9/282:28 pm -
2 stops23h 38m
Deal found 9/9![United Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 10/193:41 pm -
2 stops19h 05m
Fri 10/235:57 pm -
1 stop25h 54m
Deal found 9/8![United Airlines logo]()
$774
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/86:14 am -
2 stops15h 58m
Thu 10/156:00 am -
2 stops17h 10m
Deal found 9/10![American Airlines logo]()
$977
Best flights from Peoria to BillingsDiscover 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 September 11, 2026.
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 September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Wed 2/38:50 am -
1 stop5h 33m
Sat 2/62:42 pm -
1 stop5h 05m
Deal found 9/8![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/10. 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 1/2610:40 am -
2 stops11h 39m
Sat 1/302:42 pm -
1 stop5h 05m
Deal found 9/10![United Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 9/246:15 am -
2 stops28h 31m
Mon 9/282:28 pm -
2 stops23h 38m
Deal found 9/9![United Airlines logo]()
$771
Last-minute flights from Peoria to BillingsDiscover last-minute flight deals from Peoria to Billings. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Peoria to Billings. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Sat 9/126:05 am -
1 stop5h 57m
Mon 9/142:29 pm -
2 stops22h 10m
Deal found 9/8![United Airlines logo]()
$756
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 9/168:45 am -
1 stop5h 36m
Tue 9/222:29 pm -
1 stop5h 16m
Deal found 9/11![United Airlines logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:33 pm -
1 stop21h 48m
Mon 9/281:19 pm -
1 stop24h 18m
Deal found 9/9![Allegiant Air logo]()
$714
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Thu 9/246:15 am -
2 stops28h 31m
Mon 9/282:28 pm -
2 stops23h 38m
Deal found 9/9![United Airlines logo]()
$771
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/86:14 am -
2 stops15h 58m
Thu 10/156:00 am -
2 stops17h 10m
Deal found 9/10![American Airlines logo]()
$977
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 10/193:41 pm -
2 stops19h 05m
Fri 10/235:57 pm -
1 stop25h 54m
Deal found 9/8![United Airlines logo]()
$774
Find flight deals from Peoria to Billings
Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Billings (BIL). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $469 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Peoria to Billings 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 11, 2026.
Use the filters below to find and compare flights from Peoria to Billings that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
PeoriaBillings
PIA Greater Peoria - BIL Billings Logan Intl
PIABIL
Greater Peoria
Wed 2/3
8:50 am-1:23 pm
1 stop5h 33m
Billings Logan Intl
Sat 2/6
2:42 pm-8:47 pm
1 stop5h 05m
$469
PeoriaBillings
PIA Greater Peoria - BIL Billings Logan Intl
PIABIL
Greater Peoria
Tue 1/26
10:40 am-9:19 pm
2 stops11h 39m
Billings Logan Intl
Sat 1/30
2:42 pm-8:47 pm
1 stop5h 05m
$474
PeoriaBillings
PIA Greater Peoria - BIL Billings Logan Intl
PIABIL
Greater Peoria
Thu 9/24
6:15 am-9:46 am
2 stops28h 31m
Billings Logan Intl
Mon 9/28
2:28 pm-3:06 pm
2 stops23h 38m
$771
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Peoria, Illinois-Billings flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-Billings flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Billings flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Peoria, Illinois-Billings flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Peoria, Illinois-Billings flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
PIA-BIL
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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