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Cheap flights from Ontario to Spokane from $127

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 8/13. 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
1 adult, Economy, 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
3:40 pm - 9:22 am
ONT
-
GEG
17h 42m
1 stop
Multiple Airlines Logo
10:12 am - 8:03 am
GEG
-
ONT
21h 51m
1 stop
$222Multiple Airlines
Wed, Aug 26 - Sun, Aug 30
Southwest Logo
11:10 am - 3:05 pm
ONT
-
GEG
3h 55m
1 stop
Southwest Logo
6:15 am - 12:40 pm
GEG
-
ONT
6h 25m
1 stop
$256Southwest
Wed, Sep 9 - Tue, Sep 15
Alaska Airlines Logo
2:05 pm - 8:56 pm
ONT
-
GEG
6h 51m
1 stop
Alaska Airlines Logo
5:12 am - 9:48 am
GEG
-
ONT
4h 36m
1 stop
$261Alaska Airlines
Tue, Aug 18 - Tue, Aug 25
United Airlines Logo
6:00 am - 10:41 am
ONT
-
GEG
4h 41m
1 stop
United Airlines Logo
1:49 pm - 8:56 pm
GEG
-
ONT
7h 07m
1 stop
$262United Airlines
Thu, Nov 12 - Sat, Nov 14
Southwest Logo
4:10 pm - 10:10 pm
ONT
-
GEG
6h 00m
1 stop
Southwest Logo
5:30 am - 10:20 am
GEG
-
ONT
4h 50m
1 stop
$263Southwest
Mon, Aug 10 - Mon, Aug 17
Southwest Logo
5:40 am - 1:00 pm
ONT
-
GEG
7h 20m
2 stops
Southwest Logo
5:45 am - 10:15 am
GEG
-
ONT
4h 30m
1 stop
$267Southwest
Sat, Aug 8 - Tue, Aug 11
Southwest Logo
4:10 pm - 11:15 pm
ONT
-
GEG
7h 05m
2 stops
Southwest Logo
5:30 am - 10:20 am
GEG
-
ONT
4h 50m
1 stop
$268Southwest
Mon, Aug 10 - Mon, Aug 17
Southwest Logo
2:10 pm - 9:40 pm
ONT
-
GEG
7h 30m
2 stops
Southwest Logo
6:15 am - 1:35 pm
GEG
-
ONT
7h 20m
2 stops
$271Southwest
Wed, Sep 9 - Tue, Sep 15
Southwest Logo
7:30 am - 3:20 pm
ONT
-
GEG
7h 50m
2 stops
Southwest Logo
5:00 am - 12:35 pm
GEG
-
ONT
7h 35m
2 stops
$272Southwest
Thu, Nov 12 - Sat, Nov 14
Delta Logo
5:05 pm - 11:53 pm
ONT
-
GEG
6h 48m
1 stop
Delta Logo
5:00 pm - 10:23 pm
GEG
-
ONT
5h 23m
1 stop
$274Delta
Thu, Aug 6 - Wed, Sep 2

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Delta flights from Ontario to Spokane

Our best Delta deals on Ontario to Spokane flight tickets
Delta
Aug 6
ONT5:05 pmOntario
6h 48m
1 stop
GEG11:53 pmSpokane
Sep 2
GEG5:00 pmSpokane
5h 23m
1 stop
ONT10:23 pmOntario
$274
Delta
Aug 14
ONT6:01 pmOntario
5h 58m
1 stop
GEG11:59 pmSpokane
Aug 24
GEG5:00 pmSpokane
6h 34m
1 stop
ONT11:34 pmOntario
$313
Delta
Aug 6
ONT5:05 pmOntario
6h 48m
1 stop
GEG11:53 pmSpokane
Aug 7
GEG5:30 amSpokane
6h 46m
1 stop
ONT12:16 pmOntario
$319

Alaska Airlines flights from Ontario to Spokane

Our best Alaska Airlines deals on Ontario to Spokane flight tickets
Alaska Airlines
Aug 18
ONT2:05 pmOntario
6h 51m
1 stop
GEG8:56 pmSpokane
Aug 25
GEG5:12 amSpokane
4h 36m
1 stop
ONT9:48 amOntario
$261
Alaska Airlines
Aug 4
ONT2:05 pmOntario
4h 55m
1 stop
GEG7:00 pmSpokane
Aug 6
GEG6:13 amSpokane
6h 56m
1 stop
ONT1:09 pmOntario
$287
Alaska Airlines
Aug 20
ONT6:02 amOntario
6h 29m
1 stop
GEG12:31 pmSpokane
Aug 25
GEG7:24 pmSpokane
14h 24m
1 stop
ONT9:48 amOntario
$297

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 July 12, 2026.
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

Cheapest round-trip

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 8/26

3:40 pm-9:22 am

1 stop17h 42m

Spokane

Sun 8/30

10:12 am-8:03 am

1 stop21h 51m

$222
Quickest round-trip

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 9/9

11:10 am-3:05 pm

1 stop3h 55m

Spokane

Tue 9/15

6:15 am-12:40 pm

1 stop6h 25m

$256

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Tue 8/18

2:05 pm-8:56 pm

1 stop6h 51m

Spokane

Tue 8/25

5:12 am-9:48 am

1 stop4h 36m

$261

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 11/12

6:00 am-10:41 am

1 stop4h 41m

Spokane

Sat 11/14

1:49 pm-8:56 pm

1 stop7h 07m

$262

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Mon 8/10

4:10 pm-10:10 pm

1 stop6h 00m

Spokane

Mon 8/17

5:30 am-10:20 am

1 stop4h 50m

$263

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Sat 8/8

5:40 am-1:00 pm

2 stops7h 20m

Spokane

Tue 8/11

5:45 am-10:15 am

1 stop4h 30m

$267

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Mon 8/10

4:10 pm-11:15 pm

2 stops7h 05m

Spokane

Mon 8/17

5:30 am-10:20 am

1 stop4h 50m

$268

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 9/9

2:10 pm-9:40 pm

2 stops7h 30m

Spokane

Tue 9/15

6:15 am-1:35 pm

2 stops7h 20m

$271

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 11/12

7:30 am-3:20 pm

2 stops7h 50m

Spokane

Sat 11/14

5:00 am-12:35 pm

2 stops7h 35m

$272

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 8/6

5:05 pm-11:53 pm

1 stop6h 48m

Spokane

Wed 9/2

5:00 pm-10:23 pm

1 stop5h 23m

$274

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 typical price of a round-trip flight between Ontario and Spokane?

What is the cheapest month to fly to Spokane?

The month of February is, on average, the cheapest month to fly to Spokane from Ontario, with most prices found around $227. If you’re not able to fly to Spokane in February, 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 $240. 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 $387.

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 in the afternoon. momondo users have found flights departing from Ontario to Spokane in the afternoon for as low as $255. 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 $309. Of course, these prices can vary depending on the time of year and what airport you fly to.

How have Ontario to Spokane flight prices changed over time?

As of July 2026, prices for Ontario to Spokane flights are approximately 20% cheaper 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

3h 55m

Direct flights

None
The fastest flight from Ontario to Spokane takes 3h 55m
There are no direct flights from Ontario to Spokane. There are no popular flight routes from Ontario to Spokane.
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Frequently asked questions about flying from Ontario to Spokane

  • 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 3h 55m.

  • 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 $187Free CancellationRating
7.8
8,463 reviews
Search Delta flights
Alaska AirlinesPriceFrom $206Free CancellationRating
7.9
12,654 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $234Free CancellationRating
8.0
4,250 reviews
Search Southwest flights

  • Southwest Flights From Ontario to Spokane

    The lowest priced Southwest flight from Ontario to Spokane from the last 72 hours was $234. Generally, Southwest has 1 flight on this route every week with an average price of $395. Southwest is rated 8.0/10 by our users.

Traveling to a place near Spokane?

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