The cheapest times to fly from TWF to GEG are

  • January 8th to March 4th (except the week of February 5th)
  • April 16th to April 29th
  • May 14th to July 29th (except the weeks of June 18th and July 16th)
  • October 15th to November 4th

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 TWF to GEG is mid January. Prices can be as high as $857 for Saturday flights during late December, or as low as $190 for Tuesday flights around mid January.


When to Fly to Spokane

Flying from Twin Falls, ID (TWF) to Spokane, WA (GEG) will usually cost between $190 to $502 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $207. Due to high demand the most expensive time to fly is late December, with an average price of $553. Planning your trip to low-cost times can easily save you $346 on economy flights and even more on first-class flights. Generally, any price below $298 can be considered a good price for a round-trip TWF to GEG flight.

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

TWF to GEG Flight Prices

Compared to other flights, the TWF to GEG flight is much cheaper than the average and costs much less than the average flight leaving from Twin Falls. The average price per mile (for a direct flight) is $0.48, 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. Saturdays 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 $111 (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 $221. Return trip prices are from the GEG to TWF 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 TWF 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 1 hour 40 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

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

How far away is it from Spokane International Airport to Joslin Field – Magic Valley Regional Airport?

The distance between the two airports is roughly 385 miles or 620 kilometers.

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

The real-world flight time for a nonstop TWF to GEG flight is about 1 hour 40 minutes.

How many flights go between Twin Falls, ID and Spokane, WA?

It depends on the day of the week and the date, but a typical day might have around 41 available flights from TWF to GEG.


Airport Location Info


Departing Airport

Origination code TWF
Origination airport name Joslin Field – Magic Valley Regional Airport
City Twin Falls, ID
Country the United States
Latitude 42.5
Longitude -114.5

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.