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Cheap Flights from Ontario (ONT) to Spokane (GEG)

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Compare Ontario International to Spokane International flight deals

Find the cheapest month or even day of the year to fly to Spokane International

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Flight deals from Ontario International to Spokane International

Looking for a cheap last-minute deal or the best return flight from Ontario International to Spokane International? Find the lowest prices on one-way and return tickets right here.
Spokane.$262 per passenger.Departing Tue, 1 Jul, returning Thu, 10 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 1 Jul, arriving in Spokane International.Inbound indirect flight with Frontier Airlines, departs from Spokane International on Thu, 10 Jul, arriving in Ontario International.Price includes taxes and charges.From $262, select.
Spokane.$311 per passenger.Departing Thu, 4 Sep, returning Sun, 7 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 4 Sep, arriving in Spokane International.Inbound indirect flight with Frontier Airlines, departs from Spokane International on Sun, 7 Sep, arriving in Ontario International.Price includes taxes and charges.From $311, select.
Spokane.$382 per passenger.Departing Tue, 14 Oct, returning Sat, 25 Oct.Return flight with Alaska Airlines and Hawaiian Airlines.Outbound indirect flight with Alaska Airlines, departs from Ontario International on Tue, 14 Oct, arriving in Spokane International.Inbound indirect flight with Hawaiian Airlines, departs from Spokane International on Sat, 25 Oct, arriving in Ontario International.Price includes taxes and charges.From $382, select.
Spokane.$390 per passenger.Departing Tue, 10 Jun, returning Wed, 18 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Tue, 10 Jun, arriving in Spokane International.Inbound indirect flight with Delta, departs from Spokane International on Wed, 18 Jun, arriving in Ontario International.Price includes taxes and charges.From $390, select.
Spokane.$396 per passenger.Departing Fri, 29 Aug, returning Tue, 2 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Fri, 29 Aug, arriving in Spokane International.Inbound indirect flight with Delta, departs from Spokane International on Tue, 2 Sep, arriving in Ontario International.Price includes taxes and charges.From $396, select.
Spokane.$408 per passenger.Departing Tue, 20 May, returning Thu, 22 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 20 May, arriving in Spokane International.Inbound indirect flight with Frontier Airlines, departs from Spokane International on Thu, 22 May, arriving in Ontario International.Price includes taxes and charges.From $408, select.
Spokane.$428 per passenger.Departing Wed, 28 May, returning Sun, 1 Jun.Return flight with Frontier Airlines and Allegiant Air.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Wed, 28 May, arriving in Spokane International.Inbound indirect flight with Allegiant Air, departs from Spokane International on Sun, 1 Jun, arriving in Ontario International.Price includes taxes and charges.From $428, select.
Spokane.$438 per passenger.Departing Fri, 8 Aug, returning Mon, 11 Aug.Return flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from Ontario International on Fri, 8 Aug, arriving in Spokane International.Inbound indirect flight with Hawaiian Airlines, departs from Spokane International on Mon, 11 Aug, arriving in Ontario International.Price includes taxes and charges.From $438, select.

Find the cheapest month to fly from Ontario International to Spokane International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Spokane International flights are currently cheapest in July.
May
from $408
Jun
from $390
Jul
from $262
Aug
from $438
Sep
from $311
Oct
from $382
Nov
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Dec
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Jan
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Feb
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Mar
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Apr
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Ontario International to Spokane International: Alternative routes

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

Ontario to Spokane: Flight information

The things to know before you go.
Cheapest flight found$262
Cheapest month to flyJuly

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

The best price we found for a return flight from Ontario International to Spokane International is $262. 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.
Currently, there are no airlines that fly direct from Ontario International to Spokane International. But we found flights with one or more stops from $262.
As of May 2025, there are no flights flying from Ontario International to Spokane International.
The cheapest month to fly from Ontario International to Spokane International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Spokane International Airport on Tuesday, 1 July 2025.
No airlines currently offer direct flights between Ontario International Airport and Spokane International Airport. Most routes have one or more stops.
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 Spokane International 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 Spokane is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Spokane International.

Travelling from Ontario International Airport (ONT) to Spokane International Airport (GEG): what you need to know

  • To ensure you catch your ONT to GEG flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Flying during a peak time like August? Major public holidays and other popular seasons can mean longer queues at check-in and security. Play it safe and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • If you want to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Ontario International Airport to Spokane International Airport. These are the most popular stopovers between ONT and GEG:

    • Sacramento International Airport

    • Metropolitan Oakland International Airport

    • Norman Y. Mineta San Jose International Airport

How to find the cheapest flights from Ontario International Airport (ONT) to Spokane International Airport (GEG)

  • $170 is currently the best price for a one-way Ontario International Airport to Spokane International Airport flight. A return flight starts from $262. These fares can change depending on availability.

  • To get your hands on cheap tickets from ONT to GEG, book as early as you can. Airlines tend to offer lower fares when flights are first made available.

  • Finding cheap flights from Ontario International Airport to Spokane International Airport is easy if you're flexible with your dates. Use the 'Whole month' function to see the lowest fares across each month and snap up a great deal.

  • Never miss a deal on cheap flights from ONT to GEG by setting up a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Secure the ideal flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Ontario International Airport to Spokane International Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Ontario International Airport (ONT)

  • ONT is located at 2900 E. Airport Drive.

  • Ontario International Airport has an excellent on-time performance, so you're less likely to experience disruptions. Departures from ONT make it to their destination as scheduled 83.6% of the time.

  • Central Ontario to Ontario International Airport is approximately 6 kilometres. Depending on traffic, it'll take about 10 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The journey when using public transport typically takes 1 hour 30 minutes.

  • Booked an early flight from Ontario International Airport to Spokane International Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these hotels near ONT:

Arriving at Spokane International Airport (GEG)

Getting from Spokane International Airport (GEG) to central Spokane

  • The street address for GEG is 9000 West Airport Drive.

  • Spokane International Airport to the centre of Spokane has a drive time of about 15 minutes. It's approximately 10 kilometres away.

  • When travelling by public transport, expect a journey time of roughly 1 hour 5 minutes.

When to fly to Spokane International Airport (GEG)

  • The quietest month for a flight from Ontario International Airport to Spokane International Airport is May, while August is the most popular. Choose the ideal time to visit Spokane based on whether you prefer a faster pace or a more relaxed vibe.

  • Book your flight from Ontario International Airport to Spokane International Airport for July if you'd like to explore Spokane during its warmest month. Expect temperatures of between 12ºC (54ºF) and 33ºC (91ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from ONT to GEG in December. Temperatures average between -10ºC (14ºF) and 3ºC (37ºF) then.

Explore more of United States

  • Spokane has plenty going for it, but there are so many other corners of United States you'll want to see. Around 370 kilometres west of Spokane, a visit to Seattle will keep your itinerary packed. Start with attractions like Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • If you're ready to explore another well-known destination in United States, consider Portland, about 467 kilometres south-west of Spokane. Pioneer Courthouse Square, Portland Japanese Garden and Pittock Mansion are among the biggest draws.

Plan the rest of your trip from Ontario to Spokane

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.