HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Helena

$448+ Cheap flights from Peoria, IL to Helena (PIA - HLN)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — HLN
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Helena 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 Helena

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Helena (HLN). 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 agosto 18, 2025.

Round-trip from

$448
(United Airlines)
From Greater Peoria to Helena
Search Deals

Find flight deals from Peoria to Helena

Cheapest flights from Peoria to Helena
Explore the most affordable flight options available from Peoria to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 18, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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.
sáb. 9/208:45 amPIA - HLN
1 stop5h 45mUnited Airlines
mar. 9/305:18 pmHLN - PIA
2 stops27h 57mUnited Airlines
Deal found 8/17$448
This United Airlines deal was found by Cheapflights users on 8/17. 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.
vie. 8/2210:49 amPIA - HLN
2 stops11h 22mUnited Airlines
dom. 8/245:20 pmHLN - PIA
1 stop26h 52mUnited Airlines
Deal found 8/17$724
This United Airlines deal was found by Cheapflights users on 8/17. 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.
dom. 9/218:45 amPIA - HLN
1 stop5h 45mUnited Airlines
dom. 9/285:18 pmHLN - PIA
1 stop26h 47mUnited Airlines
Deal found 8/17$738

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to Helena 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 2,558,603 searches. Data last updated agosto 18, 2025.
Use the filters below to find and compare flights from Peoria to Helena that are best for you.

Fly from

Peoria

Fly to

Helena

Route

Depart

Return

Price

PeoriaHelena

PIA - HLN

PIAHLN

Greater Peoria

sáb. 9/20

8:45 am-1:30 pm

1 stop5h 45m

Helena

mar. 9/30

5:18 pm-10:15 pm

2 stops27h 57m

$448

PeoriaHelena

PIA - HLN

PIAHLN

Greater Peoria

dom. 9/21

8:45 am-1:30 pm

1 stop5h 45m

Helena

dom. 9/28

5:18 pm-9:05 pm

1 stop26h 47m

$738

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Best time to book a flight from Peoria to Helena

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

Related info for your journey

Find useful and relevant information for your journey from Peoria to Helena. 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 Peoria, Illinois to Helena?

    There are many flights that can get you from Peoria, Illinois to Helena in 5h 45m. Fly via United Airlines to get the fastest option. There are 1182 mi between Peoria, Illinois and Helena.

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

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

  • How can I find direct flights from Peoria to Helena?

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

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

    Yes. Cheapflights offers flight deals from Peoria to Helena 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 Helena?

    Currently, February is the cheapest month in which you can book a flight from Peoria, Illinois to Helena (average of $353). Flying from Peoria, Illinois to Helena in May is currently the most expensive (average of $517). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peoria to Helena

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Bozeman flights
O'Hare Intl to Kalispell flights
Midway to Bozeman flights
O'Hare Intl to Missoula flights
St. Louis to Bozeman flights
Midway to Kalispell flights
O'Hare Intl to Billings flights
O'Hare Intl to Great Falls flights
St. Louis to Kalispell flights
Midway to Billings flights
O'Hare Intl to West Yellowstone flights
Midway to Missoula flights
St. Louis to Billings flights
O'Hare Intl to Helena flights
St. Louis to Missoula flights
O'Hare Intl to Butte flights
Peoria to Kalispell flights
Peoria to Bozeman flights
St. Louis to Great Falls flights
O'Hare Intl to Cody flights
Moline to Kalispell flights
Midway to Great Falls flights
Midway to Helena flights
Peoria to Missoula flights
Moline to Bozeman flights
Moline to Cody flights
St. Louis to Helena flights
Moline to Missoula flights
Bloomington to Missoula flights
St. Louis to Cody flights
St. Louis to Butte flights
St. Louis to West Yellowstone flights
Peoria to Billings flights
Bloomington to Great Falls flights
Bloomington to Kalispell flights
Dubuque to Kalispell flights
Champaign to Bozeman flights
Moline to Billings flights
Bloomington to Bozeman flights
Champaign to Billings flights
Springfield to Bozeman flights
Dubuque to Bozeman flights
Springfield to Missoula flights
Bloomington to Helena flights

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.