The cheapest times to fly from CMI to GEG are

  • January 8th to February 18th (except the week of February 5th)
  • April 16th to May 6th
  • June 4th to June 17th
  • July 9th to August 5th (except the week of July 16th)

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 CMI to GEG is early November. Prices can be as high as $1406 for Sunday flights during early to mid March, or as low as $436 for Tuesday flights around early November.


When to Fly to Spokane

Flying from Champaign/Urbana, IL (CMI) to Spokane, WA (GEG) will usually cost between $457 to $1022 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $500. Due to high demand the most expensive time to fly is early to mid March, with an average price of $1037. Planning your trip to low-cost times can easily save you $537 on economy flights and even more on first-class flights. Generally, any price below $710 can be considered a good price for a round-trip CMI to GEG flight.

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

CMI to GEG Flight Prices

Compared to other flights, the CMI to GEG flight is cheaper than the average and costs about as much as the average flight leaving from Champaign. The average price per mile (for a direct flight) is $0.29, which is below 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 $273 (31%) 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 $580. Return trip prices are from the GEG to CMI 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 CMI to GEG 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 45 minutes may not be realistic.


Flight Hacking CMI to GEG

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 CMI to GEG — but Champion Traveler does!

Hack #1: Chicago, IL (CMI > ORD > GEG)

  • Price for both tickets: $538
  • Average savings: $172 (24.23%)

See CMI to ORD flights

Hack #2: Seattle, WA (CMI > SEA > GEG)

  • Price for both tickets: $577
  • Average savings: $134 (18.8%)

See CMI to SEA flights

Hack #3: Phoenix, AZ (CMI > PHX > GEG)

  • Price for both tickets: $622
  • Average savings: $89 (12.46%)

See CMI to PHX flights


Flight Questions Answered

Still have questions about flying from CMI to GEG? We’ve got answers.

Which airlines fly this route?

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

How far away is it from Spokane International Airport to University of Illinois/Willard Airport?

The distance between the two airports is roughly 1538 miles or 2475 kilometers.

How long does it take to fly from CMI to GEG?

The real-world flight time for a nonstop CMI to GEG flight is about 3 hour 45 minutes.

How many flights go between Champaign/Urbana, IL and Spokane, WA?

It depends on the day of the week and the date, but a typical day might have around 15 available flights from CMI to GEG.


Airport Location Info


Departing Airport

Origination code CMI
Origination airport name University of Illinois/Willard Airport
City Champaign/Urbana, IL
Country the United States
Latitude 40
Longitude -88.3

Return Airport

Destination code GEG
Destination airport name Spokane International Airport
City Spokane, WA
Country the United States
Latitude 47.6
Longitude -117.5


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.