Cheap Flights from Spokane International to Boise

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Find the cheapest month or even day of the year to fly to Boise

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Flight deals from Spokane International to Boise

Looking for a cheap last-minute deal or the best return flight from Spokane International Airport to Boise Airport? If you want to travel next month, return fares start from R 3,059. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Spokane International to Boise

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Spokane International to Boise flights are currently cheapest in November.

Direct flights from Spokane International to Boise

Spokane International to Boise: Alternative routes

Compare routes from Spokane International to Boise below. You may find an airport to fly into that's cheaper, faster, or easier than Boise.

Spokane to Boise: Flight information

The things to know before you go.
Cheapest flight foundR 1,466
Cheapest month to flyNovember
Average flight time1 hr, 10 mins
Most popular airlineAlaska Airlines
Average flights per week64

Finding cheap flights from Spokane International to Boise: Frequently asked questions

The best price we found for a return flight from Spokane International to Boise is R 3,044. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 10 minutes is the average flight time from Spokane International to Boise.
Alaska Airlines, Horizon Air and SkyWest Airlines fly direct from Spokane International to Boise.
As of July 2026, there are 64 flights per week flying from Spokane International to Boise.
The cheapest month to fly from Spokane International to Boise is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Spokane International Airport to Boise Airport on Wednesday, 12 August 2026.
Yes – the average flight time is 1 hour and 10 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boise but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Southwest Airlines and Alaska Airlines offer the cheapest flight tickets to Boise.

Travelling from Spokane International Airport (GEG) to Boise Airport (BOI): what you need to know

  • Around 1 hour 10 minutes is how long you can expect to be in the air on a direct flight from Spokane International Airport to Boise Airport.

  • Every week, there are 23 Spokane International Airport to Boise Airport flights. If you prefer to jet off as soon as possible, go for the 05:12 Alaska Airlines flight. If you're eager to make the most of your time before you fly, the last flight is at 20:10 with Alaska Airlines.

  • Arrive at the airport on time so you don't miss your GEG to BOI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to prevent a last-minute sprint to your gate.

  • You'll likely experience bigger queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Getting to Boise (and then discovering more of the United States!) is a snap with Alaska Airlines. This popular carrier offers direct flights from Spokane International Airport to Boise Airport.

  • Most passengers choose to travel with Alaska Airlines on this route.

  • Alaska Airlines stands out as the most punctual carrier for GEG to BOI flights, with 88.58% of its services landing as scheduled.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from Spokane International Airport to Boise Airport, uncheck 'Direct flights only.' Then, choose a flight with a stop long enough to visit your chosen city. Top stopovers between GEG and BOI include:

    • Seattle / Tacoma International Airport

    • Salt Lake City Airport

    • Oakland Metropolitan Oak Airport

Handy information about Spokane International Airport (GEG)

  • GEG's address is 9000 West Airport Drive.

  • Spokane International Airport maintains a solid on-time record, so you're less likely to experience disruptions. Departures from GEG touch down on schedule 84% of the time.

  • To reach Spokane International Airport from central Spokane, it'll take around 20 minutes by car. This depends on traffic, however. It's approximately 16 kilometres from the airport to the city centre.

  • Taking public transport? Expect a trip time of around 40 minutes.

  • Taking an early flight from Spokane International Airport to Boise Airport? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by picking one of these hotels close to GEG:

Arriving at Boise Airport (BOI)

  • If you're coming in on a late Spokane International Airport to Boise Airport flight, nothing beats the convenience of staying near the terminal. Grab your luggage from the carousel and then be resting shortly after at one of these hotels near BOI:

  • Grab a Boise Airport rental car and discover Boise and beyond with your own set of wheels. Budget, Alamo and Avis are popular providers to choose from here.

  • Reserving your ride from Boise Airport around one week ahead gives you the best shot at securing a great deal.

When to fly to Boise Airport (BOI)

  • October is the busiest month for flights from Spokane International Airport to Boise Airport. To escape the crowds, go to Boise in March.

  • Lock in your flight from Spokane International Airport to Boise Airport for July if you'd like to go to Boise during its warmest month. You can expect temperatures of between 15ºC (59ºF) and 35ºC (95ºF).

  • If you want cooler conditions, look for a cheap ticket from GEG to BOI in January. Temperatures average between -11ºC (12ºF) and 5ºC (41ºF) then.

Explore more of the United States

  • You've visited Boise, now it's time to discover more of the United States. Journey about 467 kilometres north to Spokane to check off its leading attractions. From Riverside State Park to Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes, there's plenty to keep you busy.

  • If you're looking to explore another side of the United States, consider Salt Lake City, about 483 kilometres south-east of Boise. Salt Lake Utah Temple, Temple Square and Salt Lake City Tabernacle are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.