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Cheap flights from Ontario to Spokane from $85

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 11/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Ontario to Spokane

Cheap round-trip flights

Frontier Logo
8:59 pm - 10:58 amONT-GEG
13h 59m1 stop
Frontier Logo
11:53 am - 7:53 amGEG-ONT
20h 00m1 stop
$172Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Logo
9:16 am - 8:16 pmONT-GEG
11h 00m1 stop
Logo
9:06 pm - 7:17 amGEG-ONT
10h 11m1 stop
$193
Find Deal
Thu, Sep 25 - Sun, Sep 28
Hawaiian Airlines Logo
7:20 am - 11:39 amONT-GEG
4h 19m1 stop
Hawaiian Airlines Logo
5:51 am - 11:05 amGEG-ONT
5h 14m1 stop
$229Hawaiian Airlines
Find Deal
Sat, Nov 15 - Tue, Nov 18
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
$233Alaska Airlines
Find Deal
Wed, Oct 29 - Sun, Nov 9
Alaska Airlines Logo
5:45 pm - 11:08 pmONT-GEG
5h 23m1 stop
Alaska Airlines Logo
7:37 pm - 11:51 pmGEG-ONT
4h 14m1 stop
$236Alaska Airlines
Find Deal
Tue, Oct 14 - Wed, Oct 22
Delta Logo
6:00 am - 12:38 pmONT-GEG
6h 38m1 stop
Delta Logo
6:00 am - 11:09 amGEG-ONT
5h 09m1 stop
$237Delta
Find Deal
Wed, Sep 10 - Wed, Sep 17
Southwest Logo
3:15 pm - 11:35 pmONT-GEG
8h 20m1 stop
Southwest Logo
11:50 am - 6:55 pmGEG-ONT
7h 05m2 stops
$242Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
6:00 am - 10:34 amONT-GEG
4h 34m1 stop
Delta Logo
5:40 am - 12:17 pmGEG-ONT
6h 37m1 stop
$244Delta
Find Deal
Wed, Sep 10 - Sat, Sep 13
Southwest Logo
4:25 pm - 11:35 pmONT-GEG
7h 10m2 stops
Southwest Logo
6:10 am - 10:10 amGEG-ONT
4h 00m1 stop
$249Southwest
Find Deal
Tue, Oct 14 - Thu, Oct 16
Hawaiian Airlines Logo
6:00 am - 11:30 amONT-GEG
5h 30m1 stop
Hawaiian Airlines Logo
7:29 pm - 11:54 pmGEG-ONT
4h 25m1 stop
$274Hawaiian Airlines
Find Deal
Thu, Sep 18 - Mon, Sep 22

Frontier flights from Ontario to Spokane

Our best Frontier deals on Ontario to Spokane flight tickets
Frontier
Sep 25
ONT8:59 pmOntario
13h 59m
1 stop
GEG10:58 amSpokane
Sep 28
GEG11:53 amSpokane
20h 00m
1 stop
ONT7:53 amOntario
$172
Find similar
Frontier
Sep 10
ONT8:59 pmOntario
13h 59m
1 stop
GEG10:58 amSpokane
Sep 12
GEG11:53 amSpokane
8h 01m
1 stop
ONT7:54 pmOntario
$215
Find similar
Frontier
Aug 27
ONT12:59 amOntario
9h 58m
1 stop
GEG10:57 amSpokane
Sep 4
GEG11:53 amSpokane
8h 01m
1 stop
ONT7:54 pmOntario
$218
Find similar

Alaska Airlines flights from Ontario to Spokane

Our best Alaska Airlines deals on Ontario to Spokane flight tickets
Alaska Airlines
Oct 29
ONT4:11 pmOntario
5h 03m
1 stop
GEG9:14 pmSpokane
Nov 9
GEG5:51 amSpokane
5h 14m
1 stop
ONT11:05 amOntario
$233
Find similar
Alaska Airlines
Oct 14
ONT5:45 pmOntario
5h 23m
1 stop
GEG11:08 pmSpokane
Oct 22
GEG7:37 pmSpokane
4h 14m
1 stop
ONT11:51 pmOntario
$236
Find similar
Alaska Airlines
Oct 14
ONT7:10 amOntario
4h 29m
1 stop
GEG11:39 amSpokane
Oct 18
GEG5:54 pmSpokane
6h 09m
1 stop
ONT12:03 amOntario
$243
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 August 21, 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

Thu 9/25

8:59 pm-10:58 am

1 stop13h 59m

Spokane

Sun 9/28

11:53 am-7:53 am

1 stop20h 00m

$172

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 9/25

9:16 am-8:16 pm

1 stop11h 00m

Spokane

Sun 9/28

9:06 pm-7:17 am

1 stop10h 11m

$193

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Sat 11/15

7:20 am-11:39 am

1 stop4h 19m

Spokane

Tue 11/18

5:51 am-11:05 am

1 stop5h 14m

$229

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 10/29

4:11 pm-9:14 pm

1 stop5h 03m

Spokane

Sun 11/9

5:51 am-11:05 am

1 stop5h 14m

$233

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Tue 10/14

5:45 pm-11:08 pm

1 stop5h 23m

Spokane

Wed 10/22

7:37 pm-11:51 pm

1 stop4h 14m

$236

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 9/10

6:00 am-12:38 pm

1 stop6h 38m

Spokane

Wed 9/17

6:00 am-11:09 am

1 stop5h 09m

$237

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Tue 10/14

3:15 pm-11:35 pm

1 stop8h 20m

Spokane

Tue 10/21

11:50 am-6:55 pm

2 stops7h 05m

$242

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Wed 9/10

6:00 am-10:34 am

1 stop4h 34m

Spokane

Sat 9/13

5:40 am-12:17 pm

1 stop6h 37m

$244

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Tue 10/14

4:25 pm-11:35 pm

2 stops7h 10m

Spokane

Thu 10/16

6:10 am-10:10 am

1 stop4h 00m

$249

OntarioSpokane

ONT - GEG

ONTGEG

Ontario

Thu 9/18

6:00 am-11:30 am

1 stop5h 30m

Spokane

Mon 9/22

7:29 pm-11:54 pm

1 stop4h 25m

$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 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 September is your next best option. Flight prices from Ontario to Spokane during September average around $277.

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 $206. 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 $292.

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 $293. 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 $352 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 $255 on momondo.

How have Ontario to Spokane flight prices changed over time?

As of August 2025, prices for Ontario to Spokane flights are approximately 16% 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

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 15m.

  • 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
Alaska AirlinesPriceFrom $198Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $207Free CancellationRating
7.8
2,672 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $208Free CancellationRating
7.9
7,981 reviews
Search Delta flights
SouthwestPriceFrom $216Free CancellationRating
8.0
4,245 reviews
Search Southwest 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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