The cheapest times to fly from GTF to PIA are

  • January 15th to March 25th (except the week of March 12th)
  • April 9th to May 13th
  • early August
  • October 15th to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from GTF to PIA is early December. Prices can be as high as $1416 for Sunday flights during mid December, or as low as $485 for Tuesday flights around early December.


When to Fly to Peoria

Flying from Great Falls, MT (GTF) to Peoria, IL (PIA) will usually cost between $531 to $1242 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $609. Due to high demand the most expensive time to fly is mid December, with an average price of $1066. Planning your trip to low-cost times can easily save you $457 on economy flights and even more on first-class flights. Generally, any price below $700 can be considered a good price for a round-trip GTF to PIA flight.

See below for a graph of average weekly prices for the GTF to PIA route. All prices are for round-trip tickets in USD.

GTF to PIA Flight Prices

Compared to other flights, the GTF to PIA flight is cheaper than the average and costs less than the average flight leaving from Great Falls. The average price per mile (for a direct flight) is $0.37, which is a bit above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $440 (38%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $597. Return trip prices are from the PIA to GTF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from GTF to PIA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 5 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from GTF to PIA while comparing.

Destination alternative #1: Chicago O’Hare International Airport (ORD) in Chicago, IL

  • 130 miles (209 km) away from PIA
  • Usually 38.43% less expensive than PIA
  • Nonstop flights available

See GTF to ORD flights

Destination alternative #2: The Eastern Iowa Airport (CID) in Cedar Rapids/Iowa City, IA

  • 134 miles (216 km) away from PIA
  • Usually 31.50% less expensive than PIA
  • 1-layover flights available

See GTF to CID flights

Destination alternative #3: St Louis Lambert International Airport (STL) in St. Louis, MO

  • 137 miles (220 km) away from PIA
  • Usually 31.43% less expensive than PIA
  • 1-layover flights available

See GTF to STL flights

Destination alternative #4: Chicago Midway International Airport (MDW) in Chicago, IL

  • 127 miles (204 km) away from PIA
  • Usually 28.57% less expensive than PIA
  • 1-layover flights available

See GTF to MDW flights


Flight Hacking GTF to PIA

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from GTF to PIA — but Champion Traveler does!

Hack #1: Phoenix, AZ (GTF > AZA > PIA)

  • Price for both tickets: $507
  • Average savings: $193 (27.57%)

See GTF to AZA flights

Hack #2: Minneapolis, MN (GTF > MSP > PIA)

  • Price for both tickets: $573
  • Average savings: $127 (18.14%)

See GTF to MSP flights

Hack #3: Los Angeles, CA (GTF > LAX > PIA)

  • Price for both tickets: $666
  • Average savings: $35 (4.93%)

See GTF to LAX flights


Flight Questions Answered

Still have questions about flying from GTF to PIA? We’ve got answers.

Which airlines fly this route?

You can find 3 major airlines flying this route most often: American, Delta, United, and potentially more during busy seasons.

How far away is it from General Downing – Peoria International Airport to Great Falls International Airport?

The distance between the two airports is roughly 1169 miles or 1881 kilometers.

How long does it take to fly from GTF to PIA?

The real-world flight time for a nonstop GTF to PIA flight is about 3 hour 5 minutes.

How many flights go between Great Falls, MT and Peoria, IL?

It depends on the day of the week and the date, but a typical day might have around 20 available flights from GTF to PIA.


Airport Location Info


Departing Airport

Origination codeGTF
Origination airport nameGreat Falls International Airport
CityGreat Falls, MT
Countrythe United States

Return Airport

Destination codePIA
Destination airport nameGeneral Downing – Peoria International Airport
CityPeoria, IL
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.