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Cheap flights from Ontario to Spokane from $123

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Spokane departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Spokane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:53 am - 11:08 amONT-GEG
28h 15m1 stop
Multiple Airlines Logo
9:16 pm - 7:17 amGEG-ONT
10h 01m1 stop
$216Multiple Airlines
Find Deal
Wed, Oct 29 - Thu, Nov 6
Multiple Airlines Logo
6:53 am - 11:08 amONT-GEG
28h 15m1 stop
Multiple Airlines Logo
9:08 pm - 10:05 pmGEG-ONT
24h 57m1 stop
$228Multiple Airlines
Find Deal
Wed, Oct 22 - Sun, Oct 26
Multiple Airlines Logo
6:53 am - 11:08 amONT-GEG
28h 15m1 stop
Multiple Airlines Logo
9:08 pm - 7:47 amGEG-ONT
10h 39m1 stop
$235Multiple Airlines
Find Deal
Wed, Oct 22 - Sun, Oct 26
Alaska Airlines Logo
4:11 pm - 9:14 pmONT-GEG
5h 03m1 stop
Alaska Airlines Logo
5:51 am - 11:05 amGEG-ONT
5h 14m1 stop
$240Alaska Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Alaska Airlines Logo
6:00 am - 10:55 amONT-GEG
4h 55m1 stop
Alaska Airlines Logo
5:51 am - 11:19 amGEG-ONT
5h 28m1 stop
$242Alaska Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Alaska Airlines Logo
6:00 am - 10:55 amONT-GEG
4h 55m1 stop
Alaska Airlines Logo
1:33 pm - 6:33 pmGEG-ONT
5h 00m1 stop
$243Alaska Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
Delta Logo
7:35 am - 2:57 pmONT-GEG
7h 22m1 stop
Delta Logo
3:37 pm - 10:41 pmGEG-ONT
7h 04m1 stop
$245Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8
Delta Logo
5:49 pm - 10:50 pmONT-GEG
5h 01m1 stop
Delta Logo
5:00 am - 11:08 amGEG-ONT
6h 08m1 stop
$247Delta
Find Deal
Thu, Nov 13 - Sun, Nov 16
Southwest Logo
6:05 am - 1:25 pmONT-GEG
7h 20m1 stop
Southwest Logo
9:20 am - 5:10 pmGEG-ONT
7h 50m2 stops
$281Southwest
Find Deal
Tue, Jan 27 - Wed, Feb 4
Southwest Logo
5:55 am - 2:35 pmONT-GEG
8h 40m1 stop
Southwest Logo
6:35 am - 2:40 pmGEG-ONT
8h 05m2 stops
$289Southwest
Find Deal
Tue, Nov 18 - Tue, Dec 16

Alaska Airlines flights from Ontario to Spokane

Our best Alaska Airlines deals on Ontario to Spokane flight tickets
Alaska Airlines
Nov 1
ONT4:11 pmOntario
5h 03m
1 stop
GEG9:14 pmSpokane
Nov 4
GEG5:51 amSpokane
5h 14m
1 stop
ONT11:05 amOntario
$240
Find similar
Alaska Airlines
Dec 4
ONT6:00 amOntario
4h 55m
1 stop
GEG10:55 amSpokane
Dec 8
GEG5:51 amSpokane
5h 28m
1 stop
ONT11:19 amOntario
$242
Find similar
Alaska Airlines
Dec 8
ONT6:00 amOntario
4h 55m
1 stop
GEG10:55 amSpokane
Dec 16
GEG1:33 pmSpokane
5h 00m
1 stop
ONT6:33 pmOntario
$243
Find similar

Delta flights from Ontario to Spokane

Our best Delta deals on Ontario to Spokane flight tickets
Delta
Nov 4
ONT7:35 amOntario
7h 22m
1 stop
GEG2:57 pmSpokane
Nov 8
GEG3:37 pmSpokane
7h 04m
1 stop
ONT10:41 pmOntario
$245
Find similar
Delta
Nov 13
ONT5:49 pmOntario
5h 01m
1 stop
GEG10:50 pmSpokane
Nov 16
GEG5:00 amSpokane
6h 08m
1 stop
ONT11:08 amOntario
$247
Find similar
Delta
Oct 29
ONT7:35 amOntario
5h 00m
1 stop
GEG12:35 pmSpokane
Nov 4
GEG5:05 amSpokane
6h 03m
1 stop
ONT11:08 amOntario
$251
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Spokane that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 7, 2025.
Use the filters below to find and compare flights from Ontario to Spokane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 10/29

6:53 am-11:08 am

1 stop28h 15m

Spokane

Thu 11/6

9:16 pm-7:17 am

1 stop10h 01m

$216

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 10/22

6:53 am-11:08 am

1 stop28h 15m

Spokane

Sun 10/26

9:08 pm-10:05 pm

1 stop24h 57m

$228

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 10/22

6:53 am-11:08 am

1 stop28h 15m

Spokane

Sun 10/26

9:08 pm-7:47 am

1 stop10h 39m

$235

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Sat 11/1

4:11 pm-9:14 pm

1 stop5h 03m

Spokane

Tue 11/4

5:51 am-11:05 am

1 stop5h 14m

$240

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 12/4

6:00 am-10:55 am

1 stop4h 55m

Spokane

Mon 12/8

5:51 am-11:19 am

1 stop5h 28m

$242

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Mon 12/8

6:00 am-10:55 am

1 stop4h 55m

Spokane

Tue 12/16

1:33 pm-6:33 pm

1 stop5h 00m

$243

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Tue 11/4

7:35 am-2:57 pm

1 stop7h 22m

Spokane

Sat 11/8

3:37 pm-10:41 pm

1 stop7h 04m

$245

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 11/13

5:49 pm-10:50 pm

1 stop5h 01m

Spokane

Sun 11/16

5:00 am-11:08 am

1 stop6h 08m

$247

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Tue 1/27

6:05 am-1:25 pm

1 stop7h 20m

Spokane

Wed 2/4

9:20 am-5:10 pm

2 stops7h 50m

$281

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Tue 11/18

5:55 am-2:35 pm

1 stop8h 40m

Spokane

Tue 12/16

6:35 am-2:40 pm

2 stops8h 05m

$289

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Spokane from

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

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 $243. If you’re not able to fly to Spokane in January, then October is your next best option. Flight prices from Ontario to Spokane during October average around $276.

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 Friday when prices can be found for as low as $201. 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 $294.

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 $89. 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 $296. 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 $355 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 $260 on momondo.

How have Ontario to Spokane flight prices changed over time?

As of October 2025, prices for Ontario to Spokane flights are approximately 60% 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

Direct flights

None
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 39m.

  • 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?

  • 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?

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
DeltaPriceFrom $178Free CancellationRating
7.9
7,970 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $207Free CancellationRating
7.8
2,772 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,234 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $218Free CancellationRating
8.0
11,036 reviews
Search Alaska Airlines flights

Traveling to a place near Spokane?

Book flights to Spokane if you plan to visit one of these locations
Coeur d'Alene
Sandpoint
Bonners Ferry
Spokane Valley
Post Falls
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.

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