What airlines fly to Ontario?

Alaska Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Spokane according to our data. Alaska Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Spokane to Ontario?

Boise (BOI) has the shortest average layover time for this route: 0h 40m.

Which layover airport offers the lowest fares from Spokane to Ontario?

Flights via Boise (BOI) offer the lowest average round-trip price of $286.

Which layover airport has the shortest travel time from Spokane to Ontario?

Flights connecting via Boise (BOI) have the shortest average one-way travel time: 3h 51m.

Which airport is the most popular layover for flights between Spokane and Ontario?

Boise (BOI) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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

Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Spokane to Ontario

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

Prices for flights from Spokane Airport to Ontario Airport refresh daily.

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

There are 4 operators available for flights from Spokane Airport to Ontario Airport as of September 2026.

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

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

The necessary travel and health documents for your Ontario 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.

$131 Cheap Flights from Spokane to Ontario in 2026/27

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Find the cheapest flights from Spokane to Los Angeles

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5:35 am - 12:50 pmGEG Spokane-ONT Ontario

7h 15m1 stop Sacramento Intl

3:20 pm - 10:25 pmONT Ontario-GEG Spokane

7h 05m1 stop Las Vegas Harry Reid Intl

$261Southwest

Wed, Dec 2 - Tue, Dec 8

5:00 am - 11:17 amGEG Spokane-ONT Ontario

6h 17m1 stop Seattle/Tacoma Intl

11:57 am - 4:57 pmONT Ontario-GEG Spokane

5h 00m1 stop Seattle/Tacoma Intl

$261Delta

Wed, Dec 9 - Tue, Dec 15

5:35 am - 12:50 pmGEG Spokane-ONT Ontario

7h 15m1 stop Sacramento Intl

5:55 am - 1:30 pmONT Ontario-GEG Spokane

7h 35m2 stops Phoenix Sky Harbor Intl Sacramento Intl

$266Southwest

Wed, Dec 9 - Tue, Dec 15

5:00 am - 9:52 amGEG Spokane-ONT Ontario

4h 52m1 stop Portland

6:00 am - 11:30 amONT Ontario-GEG Spokane

5h 30m1 stop Seattle/Tacoma Intl

$291Alaska Airlines

Tue, Nov 10 - Wed, Nov 11

9:30 am - 5:12 pmGEG Spokane-ONT Ontario

7h 42m1 stop Seattle/Tacoma Intl

6:00 am - 12:19 pmONT Ontario-GEG Spokane

6h 19m1 stop Salt Lake City

$291Delta

Wed, Oct 21 - Mon, Oct 26

4:41 pm - 10:17 amGEG Spokane-ONT Ontario

17h 36m1 stop Seattle/Tacoma Intl

2:13 pm - 9:25 pmONT Ontario-GEG Spokane

7h 12m1 stop Seattle/Tacoma Intl

$307Alaska Airlines

Tue, Oct 13 - Sat, Oct 17

12:30 pm - 5:36 pmGEG Spokane-ONT Ontario

5h 06m1 stop San Francisco

6:00 am - 11:28 amONT Ontario-GEG Spokane

5h 28m1 stop San Francisco

$371United Airlines

Mon, Dec 7 - Tue, Dec 8

6:00 am - 12:18 pmGEG Spokane-ONT Ontario

6h 18m1 stop San Francisco

4:03 pm - 10:11 pmONT Ontario-GEG Spokane

6h 08m1 stop San Francisco

$371United Airlines

Thu, Oct 22 - Sat, Oct 24

6:30 am - 12:14 pmGEG Spokane-ONT Ontario

5h 44m1 stop Phoenix Sky Harbor Intl

6:15 am - 1:29 pmONT Ontario-GEG Spokane

7h 14m1 stop Phoenix Sky Harbor Intl

$402American Airlines

Wed, Oct 21 - Sat, Oct 24

6:30 am - 12:14 pmGEG Spokane-ONT Ontario

5h 44m1 stop Phoenix Sky Harbor Intl

4:29 pm - 11:01 pmONT Ontario-GEG Spokane

6h 32m1 stop Phoenix Sky Harbor Intl

$410American Airlines

Fri, Oct 16 - Sun, Oct 18

Cheap last minute flights

Enter your travel dates to find the best prices.

7:03 am - 2:16 pmGEG Spokane-ONT Ontario

7h 13m1 stop Seattle/Tacoma Intl

12:12 pm - 5:52 pmONT Ontario-GEG Spokane

5h 40m1 stop Seattle/Tacoma Intl

$562Alaska Airlines

Wed, Sep 23 - Wed, Sep 30

5:45 am - 9:50 amGEG Spokane-ONT Ontario

4h 05m1 stop Sacramento Intl

11:10 am - 3:05 pmONT Ontario-GEG Spokane

3h 55m1 stop Oakland

$582Southwest

Sat, Sep 19 - Wed, Sep 23

5:00 am - 12:50 pmGEG Spokane-ONT Ontario

7h 50m1 stop Denver Intl

5:00 am - 12:35 pmONT Ontario-GEG Spokane

7h 35m1 stop Denver Intl

$587United Airlines

Sat, Sep 19 - Wed, Sep 23

5:12 am - 9:51 amGEG Spokane-ONT Ontario

4h 39m1 stop Portland

6:02 am - 12:39 pmONT Ontario-GEG Spokane

6h 37m1 stop Seattle/Tacoma Intl

$587Alaska Airlines

Wed, Sep 23 - Sat, Sep 26

9:31 am - 2:16 pmGEG Spokane-ONT Ontario

4h 45m1 stop Seattle/Tacoma Intl

3:14 pm - 10:25 pmONT Ontario-GEG Spokane

7h 11m1 stop Seattle/Tacoma Intl

$587Alaska Airlines

Wed, Sep 23 - Tue, Sep 29

5:45 am - 12:20 pmGEG Spokane-ONT Ontario

6h 35m1 stop Sacramento Intl

2:10 pm - 9:45 pmONT Ontario-GEG Spokane

7h 35m2 stops Las Vegas Harry Reid Intl Sacramento Intl

$592Southwest

Sat, Sep 19 - Wed, Sep 23

6:15 am - 2:15 pmGEG Spokane-ONT Ontario

8h 00m2 stops Las Vegas Harry Reid Intl San Jose

2:10 pm - 9:45 pmONT Ontario-GEG Spokane

7h 35m2 stops Las Vegas Harry Reid Intl Sacramento Intl

$637Southwest

Sat, Sep 19 - Wed, Sep 23

5:10 am - 11:14 amGEG Spokane-ONT Ontario

6h 04m1 stop Seattle/Tacoma Intl

9:52 am - 4:21 pmONT Ontario-GEG Spokane

6h 29m1 stop Salt Lake City

$675Delta

Wed, Sep 23 - Sun, Sep 27

1:09 pm - 6:11 pmGEG Spokane-ONT Ontario

5h 02m1 stop San Francisco

1:18 pm - 9:14 pmONT Ontario-GEG Spokane

7h 56m1 stop Denver Intl

$675United Airlines

Mon, Sep 21 - Tue, Sep 22

5:00 am - 12:50 pmGEG Spokane-ONT Ontario

7h 50m1 stop Denver Intl

1:24 pm - 8:49 pmONT Ontario-GEG Spokane

7h 25m1 stop Denver Intl

$675United Airlines

Tue, Sep 22 - Fri, Sep 25

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Southwest flights from Spokane to Ontario

Our best Southwest deals on Spokane to Ontario flight tickets

Southwest

Dec 2

GEG6:05 amSpokane

8h 25m

2 stops

ONT2:30 pmOntario

Dec 8

ONT5:00 pmOntario

5h 25m

1 stop

GEG10:25 pmSpokane

$266

Southwest

Dec 2

GEG6:05 amSpokane

8h 25m

2 stops

ONT2:30 pmOntario

Dec 8

ONT3:05 pmOntario

7h 20m

2 stops

GEG10:25 pmSpokane

$271

Southwest

Nov 5

GEG12:05 pmSpokane

5h 45m

1 stop

ONT5:50 pmOntario

Nov 10

ONT3:20 pmOntario

7h 10m

1 stop

GEG10:30 pmSpokane

$279

American Airlines flights from Spokane to Ontario

Our best American Airlines deals on Spokane to Ontario flight tickets

American Airlines

Oct 21

GEG6:30 amSpokane

5h 44m

1 stop

ONT12:14 pmOntario

Oct 24

ONT6:15 amOntario

7h 14m

1 stop

GEG1:29 pmSpokane

$402

American Airlines

Oct 16

GEG6:30 amSpokane

5h 44m

1 stop

ONT12:14 pmOntario

Oct 18

ONT4:29 pmOntario

6h 32m

1 stop

GEG11:01 pmSpokane

$410

American Airlines

Oct 2

GEG6:30 amSpokane

5h 36m

1 stop

ONT12:06 pmOntario

Oct 4

ONT6:15 amOntario

6h 58m

1 stop

GEG1:13 pmSpokane

$707

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Wed 12/2

5:35 am-12:50 pm

1 stop7h 15m

Ontario

Tue 12/8

3:20 pm-10:25 pm

1 stop7h 05m

$261

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Wed 12/9

5:00 am-11:17 am

1 stop6h 17m

Ontario

Tue 12/15

11:57 am-4:57 pm

1 stop5h 00m

$261

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Wed 12/9

5:35 am-12:50 pm

1 stop7h 15m

Ontario

Tue 12/15

5:55 am-1:30 pm

2 stops7h 35m

$266

Quickest round-trip

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Tue 11/10

5:00 am-9:52 am

1 stop4h 52m

Ontario

Wed 11/11

6:00 am-11:30 am

1 stop5h 30m

$291

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Wed 10/21

9:30 am-5:12 pm

1 stop7h 42m

Ontario

Mon 10/26

6:00 am-12:19 pm

1 stop6h 19m

$291

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Tue 10/13

4:41 pm-10:17 am

1 stop17h 36m

Ontario

Sat 10/17

2:13 pm-9:25 pm

1 stop7h 12m

$307

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Mon 12/7

12:30 pm-5:36 pm

1 stop5h 06m

Ontario

Tue 12/8

6:00 am-11:28 am

1 stop5h 28m

$371

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Thu 10/22

6:00 am-12:18 pm

1 stop6h 18m

Ontario

Sat 10/24

4:03 pm-10:11 pm

1 stop6h 08m

$371

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Wed 10/21

6:30 am-12:14 pm

1 stop5h 44m

Ontario

Sat 10/24

6:15 am-1:29 pm

1 stop7h 14m

$402

SpokaneOntario

GEG Spokane - ONT Ontario

GEGONT

Spokane

Fri 10/16

6:30 am-12:14 pm

1 stop5h 44m

Ontario

Sun 10/18

4:29 pm-11:01 pm

1 stop6h 32m

$410

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 Spokane to Ontario

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

Layovers

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

Prices are currently low for flights on this route.

Typical prices usually range from $338 to $382.
The lowest price recently found on this route was $261.

What is the cheapest month to fly to Ontario?

In general, January is the cheapest month to fly from Spokane to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $167. If you aren’t able to travel during the month of January, then book flights to Ontario from Spokane during March instead. Flights to Ontario in March, while not as cheap as those in January, still average around $321.

How have Spokane to Ontario flight prices changed over time?

As of September 2026, prices for Spokane to Ontario flights are approximately 46% more expensive when compared to flights at the same time last year.

When to book flights from Spokane to Ontario

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

Estimated round-trip price

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

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

Best Price Found	$131
Fastest flight time	4h 36m
Direct flights	None

The best one-way flight to Ontario from Spokane in the past 72 hours is $131. The best round-trip flight deal from Spokane to Ontario found on momondo in the last 72 hours is $261.

The fastest flight from Spokane to Ontario takes 4h 36m

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

Search flight deals

Frequently asked questions about flying from Spokane to Ontario

How far is Spokane to Ontario by plane?
There are 938.8 mi between Spokane and Ontario. By plane, this route typically takes 4h 36m.
When did momondo last update prices for flights from Spokane Airport to Ontario Airport?
Prices for flights from Spokane Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Spokane Airport to Ontario Airport?
There are 4 operators available for flights from Spokane Airport to Ontario Airport as of September 2026.
How old do you have to be to fly from Spokane Airport to Ontario 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 Spokane Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario 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 Spokane to Ontario?
Based on momondo bookings for flights between Spokane and Ontario, the leading airline is Alaska Airlines, making up 52% of the total bookings. Other popular airlines include Southwest with 26%, Delta with 14%, and United Airlines with 8%.

Best airlines flying from Spokane to Ontario

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $167	Free Cancellation	Rating 7.4 10,224 reviews	Search United Airlines flights
Delta	PriceFrom $203	Free Cancellation	Rating 7.8 8,587 reviews	Search Delta flights
Alaska Airlines	PriceFrom $225	Free Cancellation	Rating 7.9 12,940 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $262	Free Cancellation	Rating 8.0 4,189 reviews	Search Southwest flights

Why use momondo?

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

It is quick and easy to find Spokane to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

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

All flight searches from Spokane to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Spokane to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Ontario from Spokane are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

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Cheap flights from Spokane to Los Angeles from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spokane to Los Angeles departing on 2/2. 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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Southwest flights from Spokane to Ontario

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How to get the cheapest flight ticket from Spokane to Ontario

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

What is the cheapest month to fly to Ontario?

How have Spokane to Ontario flight prices changed over time?

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

What airlines fly to Ontario?

Which airport is the most popular layover for flights between Spokane and Ontario?

Which layover airport offers the lowest fares from Spokane to Ontario?

Which layover airport has the shortest travel time from Spokane to Ontario?

Which layover airport has the shortest connection time from Spokane to Ontario?

When to book flights from Spokane to Ontario

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Spokane to Ontario

Best airlines flying from Spokane to Ontario

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

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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