What is the cheapest airline that flies from Ontario to Spokane?

Alaska Airlines is the most popular carrier operating from Ontario to Spokane

What airlines fly to Spokane?

Alaska Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Spokane from Ontario according to our data. Alaska Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Spokane. Keep in mind that there are 7 different airlines that fly to Spokane on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario Airport to Spokane Airport?

Prices for flights from Ontario Airport to Spokane Airport were last updated today.

How many operators does momondo search for flights from Ontario Airport to Spokane Airport?

As of January 2026, there are 4 operators available to choose from for flights from Ontario Airport to Spokane Airport.

How old do you have to be to fly from Ontario Airport to Spokane Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Spokane Airport.

What documentation or ID do you need to fly to Spokane Airport?

The necessary travel and health documents for your Spokane Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$80 Cheap Flights from Ontario to Spokane in 2026

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Find the cheapest flights from Ontario to Spokane

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:04 am - 8:08 pm

ONT

GEG

9h 04m1 stop

8:58 pm - 2:41 pm

GEG

ONT

17h 43m1 stop

$184Multiple Airlines

Thu, Jan 29 - Sun, Feb 1

3:30 pm - 10:52 pm

ONT

GEG

7h 22m1 stop

6:05 am - 1:56 pm

GEG

ONT

7h 51m1 stop

$207Delta

Thu, Feb 5 - Sun, Feb 8

12:57 pm - 7:46 pm

ONT

GEG

6h 49m1 stop

6:33 am - 12:03 pm

GEG

ONT

5h 30m1 stop

$208American Airlines

Fri, Jan 30 - Mon, Feb 2

11:53 am - 5:06 pm

ONT

GEG

5h 13m1 stop

7:30 am - 10:59 am

GEG

ONT

27h 29m1 stop

$217Alaska Airlines

Fri, Jan 30 - Sun, Feb 1

11:04 am - 8:08 pm

ONT

GEG

9h 04m1 stop

8:58 pm - 12:20 am

GEG

ONT

27h 22m2 stops

$221Multiple Airlines

Thu, Jan 29 - Sun, Feb 1

1:11 pm - 11:59 pm

ONT

GEG

10h 48m2 stops

5:05 am - 1:56 pm

GEG

ONT

8h 51m1 stop

$223Delta

Thu, Feb 5 - Sun, Feb 8

6:00 am - 11:12 am

ONT

GEG

5h 12m1 stop

1:38 pm - 11:56 pm

GEG

ONT

10h 18m1 stop

$226Alaska Airlines

Mon, Feb 2 - Sun, Feb 8

4:03 pm - 11:04 pm

ONT

GEG

7h 01m1 stop

6:00 pm - 11:56 pm

GEG

ONT

5h 56m1 stop

$227Alaska Airlines

Thu, Feb 5 - Mon, Feb 9

6:25 pm - 7:41 am

ONT

GEG

13h 16m1 stop

1:54 pm - 5:45 pm

GEG

ONT

3h 51m1 stop

$233Alaska Airlines

Sat, Apr 4 - Sat, Apr 11

4:03 pm - 9:25 pm

ONT

GEG

5h 22m1 stop

9:04 am - 6:57 pm

GEG

ONT

9h 53m1 stop

$235Alaska Airlines

Sat, Feb 7 - Sat, Feb 21

Alaska Airlines flights from Ontario to Spokane

Our best Alaska Airlines deals on Ontario to Spokane flight tickets

Alaska Airlines

Jan 30

ONT11:53 amOntario

5h 13m

1 stop

GEG5:06 pmSpokane

Feb 1

GEG7:30 amSpokane

27h 29m

1 stop

ONT10:59 amOntario

$217

Find similar

Alaska Airlines

Feb 2

ONT6:00 amOntario

5h 12m

1 stop

GEG11:12 amSpokane

Feb 8

GEG12:10 pmSpokane

11h 46m

1 stop

ONT11:56 pmOntario

$226

Find similar

Alaska Airlines

Feb 5

ONT4:03 pmOntario

7h 01m

1 stop

GEG11:04 pmSpokane

Feb 9

GEG6:00 pmSpokane

5h 56m

1 stop

ONT11:56 pmOntario

$227

Find similar

Delta flights from Ontario to Spokane

Our best Delta deals on Ontario to Spokane flight tickets

Delta

Feb 5

ONT3:30 pmOntario

7h 22m

1 stop

GEG10:52 pmSpokane

Feb 8

GEG6:05 amSpokane

7h 51m

1 stop

ONT1:56 pmOntario

$207

Find similar

Delta

Feb 5

ONT1:11 pmOntario

10h 48m

2 stops

GEG11:59 pmSpokane

Feb 8

GEG5:05 amSpokane

8h 51m

1 stop

ONT1:56 pmOntario

$223

Find similar

Delta

Feb 5

ONT1:11 pmOntario

9h 41m

2 stops

GEG10:52 pmSpokane

Feb 9

GEG3:40 pmSpokane

8h 18m

2 stops

ONT11:58 pmOntario

$238

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 1/29

11:04 am-8:08 pm

1 stop9h 04m

Spokane

Sun 2/1

8:58 pm-2:41 pm

1 stop17h 43m

$184

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 2/5

3:30 pm-10:52 pm

1 stop7h 22m

Spokane

Sun 2/8

6:05 am-1:56 pm

1 stop7h 51m

$207

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Fri 1/30

12:57 pm-7:46 pm

1 stop6h 49m

Spokane

Mon 2/2

6:33 am-12:03 pm

1 stop5h 30m

$208

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Fri 1/30

11:53 am-5:06 pm

1 stop5h 13m

Spokane

Sun 2/1

7:30 am-10:59 am

1 stop27h 29m

$217

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 1/29

11:04 am-8:08 pm

1 stop9h 04m

Spokane

Sun 2/1

8:58 pm-12:20 am

2 stops27h 22m

$221

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 2/5

1:11 pm-11:59 pm

2 stops10h 48m

Spokane

Sun 2/8

5:05 am-1:56 pm

1 stop8h 51m

$223

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Mon 2/2

6:00 am-11:12 am

1 stop5h 12m

Spokane

Sun 2/8

1:38 pm-11:56 pm

1 stop10h 18m

$226

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 2/5

4:03 pm-11:04 pm

1 stop7h 01m

Spokane

Mon 2/9

6:00 pm-11:56 pm

1 stop5h 56m

$227

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Sat 4/4

6:25 pm-7:41 am

1 stop13h 16m

Spokane

Sat 4/11

1:54 pm-5:45 pm

1 stop3h 51m

$233

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Sat 2/7

4:03 pm-9:25 pm

1 stop5h 22m

Spokane

Sat 2/21

9:04 am-6:57 pm

1 stop9h 53m

$235

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Spokane

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Spokane?

The month of January is, on average, the cheapest month to fly to Spokane from Ontario, with most prices found around $255. If you’re not able to fly to Spokane in January, then December is your next best option. Flight prices from Ontario to Spokane during December average around $279.

What is the cheapest day to depart on your flight to Spokane?

The cheapest day to depart on your flight to Spokane is on a Monday when prices can be found for as low as $182. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $290.

What is the cheapest time of day to depart on your flight to Spokane?

According to our data, the cheapest time of day to fly to Spokane is at noon. momondo users have found flights departing from Ontario to Spokane at noon for as low as $93. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $290. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Spokane?

You are more likely to see cheaper flights to Spokane from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Spokane for around $330 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spokane from Ontario for as low as $243 on momondo.

How have Ontario to Spokane flight prices changed over time?

As of January 2026, prices for Ontario to Spokane flights are approximately 94% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Spokane

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Spokane according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Spokane (ONT to GEG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Spokane

Fastest flight time	4h 47m
Direct flights	None

The fastest flight from Ontario to Spokane takes 4h 47m

There are no direct flights from Ontario to Spokane. There are no popular flight routes from Ontario to Spokane.

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How far is Ontario to Spokane by plane?
Ontario and Spokane are 938.8 mi apart from one another. By plane, this route typically takes 4h 47m.
When did momondo last update prices for flights from Ontario Airport to Spokane Airport?
Prices for flights from Ontario Airport to Spokane Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Spokane Airport?
As of January 2026, there are 4 operators available to choose from for flights from Ontario Airport to Spokane Airport.
How old do you have to be to fly from Ontario Airport to Spokane Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Spokane Airport.
What documentation or ID do you need to fly to Spokane Airport?
The necessary travel and health documents for your Spokane Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Spokane?
momondo data reveals that the most frequently booked airline on the route from Ontario to Spokane is Southwest, representing 35% of all bookings. The subsequent popular airlines are Alaska Airlines at 34%, Delta at 24%, and Hawaiian Airlines at 6%.

Best airlines flying from Ontario to Spokane

Compare and see reviews for airlines that fly from Ontario to Spokane with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $178	Free Cancellation	Rating 7.9 8,022 reviews	Search Delta flights
Southwest	PriceFrom $203	Free Cancellation	Rating 8.0 4,249 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $206	Free Cancellation	Rating 8.0 11,655 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $207	Free Cancellation	Rating 7.8 2,824 reviews	Search Hawaiian Airlines flights

Coeur d'Alene

Sandpoint

Post Falls

Bonners Ferry

Spokane Valley

Kellogg

Airway Heights

Ritzville

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Spokane?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Spokane for you.

Can I find flights from Ontario to Spokane with flexible booking policies on momondo?

momondo does allow users to show only those flights to Spokane from Ontario which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ontario to Spokane?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Spokane.

I’m not ready to book a flight from Ontario to Spokane right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Spokane now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Spokane and let you know when they change.