HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$86+ Cheap flights from Spokane to Ontario (GEG - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — ONT
Feb 17 — Feb 241
Tue 2/17
Tue 2/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Spokane to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Spokane to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Spokane (GEG) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 18, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$192
(Booking.com)

One-way from

$86
(Frontier)

Popular in

December

Cheapest in

August

Average price

$333
Provider with most accurate pricing for Spokane-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Spokane-Ontario flights.
Search Deals
From Spokane to Ontario
Search Deals
One-way flight from Spokane to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Spokane to Ontario

Cheapest flights from Spokane to Ontario
Explore the most affordable flight options available from Spokane to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

This Booking.com deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2912:03 pm
GEG
-
ONT
1 stop12h 17m
Frontier
Sat 1/317:15 am
ONT
-
GEG
1 stop27h 53m
Frontier
Deal found 1/16$192
This Frontier deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:22 pm
GEG
-
ONT
1 stop11h 37m
Frontier
Sun 3/16:10 am
ONT
-
GEG
1 stop6h 04m
Frontier
Deal found 1/16$195
This Alaska Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:26 pm
GEG
-
ONT
1 stop4h 26m
Alaska Airlines
Sat 2/286:14 am
ONT
-
GEG
1 stop4h 52m
Alaska Airlines
Deal found 1/16$197
This Kiwi.com deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1212:22 pm
GEG
-
ONT
2 stops24h 01m
Frontier
Wed 2/187:30 am
ONT
-
GEG
1 stop27h 57m
Frontier
Deal found 1/15$220
This Alaska Airlines deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:57 pm
GEG
-
ONT
1 stop4h 47m
Alaska Airlines
Tue 2/246:14 am
ONT
-
GEG
1 stop6h 15m
Alaska Airlines
Deal found 1/16$224
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:30 pm
GEG
-
ONT
1 stop18h 24m
Delta
Tue 3/33:30 pm
ONT
-
GEG
1 stop5h 26m
Delta
Deal found 1/15$231
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/73:40 pm
GEG
-
ONT
1 stop7h 04m
Delta
Thu 2/197:30 am
ONT
-
GEG
1 stop16h 34m
Delta
Deal found 1/15$232
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:25 am
GEG
-
ONT
1 stop4h 29m
Delta
Fri 2/271:10 pm
ONT
-
GEG
2 stops19h 30m
Delta
Deal found 1/15$237
This Alaska Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:26 pm
GEG
-
ONT
1 stop4h 26m
Alaska Airlines
Sat 2/286:14 am
ONT
-
GEG
1 stop4h 52m
Alaska Airlines
Deal found 1/15$249
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:20 am
GEG
-
ONT
1 stop7h 36m
Delta
Mon 2/95:10 pm
ONT
-
GEG
1 stop6h 40m
Delta
Deal found 1/16$250
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/85:15 am
GEG
-
ONT
1 stop7h 01m
Delta
Sat 2/143:30 pm
ONT
-
GEG
1 stop7h 12m
Delta
Deal found 1/15$251

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spokane to Ontario 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, Cheapflights users made 2,558,603 searches. Data last updated January 18, 2026.
Use the filters below to find and compare flights from Spokane to Ontario that are best for you.

Fly from

Spokane

Fly to

Ontario

Route

Depart

Return

Price

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Tue 2/24

7:26 pm-11:52 pm

1 stop4h 26m

Ontario

Sat 2/28

6:14 am-11:06 am

1 stop4h 52m

$197

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Tue 2/10

6:05 am-1:56 pm

1 stop7h 51m

Ontario

Sat 2/14

6:00 am-12:07 pm

1 stop6h 07m

$197

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Tue 2/10

5:15 am-12:16 pm

1 stop7h 01m

Ontario

Wed 2/18

5:00 pm-11:54 pm

1 stop6h 54m

$197

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Wed 2/18

3:45 pm-10:37 pm

1 stop6h 52m

Ontario

Sat 2/28

3:30 pm-10:42 pm

1 stop7h 12m

$197

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Sat 2/7

7:20 am-1:56 pm

1 stop6h 36m

Ontario

Sat 2/14

6:00 am-12:07 pm

1 stop6h 07m

$197

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Mon 2/23

7:30 pm-1:54 pm

1 stop18h 24m

Ontario

Tue 3/3

3:30 pm-8:56 pm

1 stop5h 26m

$231

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Sat 2/21

5:45 am-12:07 pm

1 stop6h 22m

Ontario

Tue 2/24

7:30 am-6:45 pm

1 stop11h 15m

$231

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Sat 2/7

6:00 am-12:16 pm

1 stop6h 16m

Ontario

Tue 2/17

7:30 am-12:04 am

1 stop16h 34m

$231

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Tue 2/24

4:55 pm-11:49 pm

1 stop6h 54m

Ontario

Fri 2/27

3:30 pm-8:40 am

1 stop17h 10m

$232

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Wed 2/25

5:45 am-12:07 pm

1 stop6h 22m

Ontario

Fri 2/27

3:30 pm-8:40 am

1 stop17h 10m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Showing 1-10 of 23 results
1
2
3

Compare providers for flights from Spokane to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Spokane to Ontario in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Spokane-Ontario flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Spokane-Ontario flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Spokane-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Spokane-Ontario flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Spokane-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Spokane to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Spokane with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Spokane to Ontario

How far ahead should I book a flight from Spokane to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Spokane to Ontario. Price data was last updated on January 9, 2026.

The price you pay for your flight from Spokane to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Spokane to Ontario?

Currently, August is the cheapest month in which you can book a flight from Spokane to Ontario (average of $46). Flying from Spokane to Ontario in December is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated January 18, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Spokane to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,737 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,737 reviews
Alaska Airlines
8.0
Very good
11,737 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,261 reviews
Alaska Airlines
8.0
Very good
11,737 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,075 reviews
Alaska Airlines
8.0
Very good
11,737 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,174 reviews
Alaska Airlines
8.0
Very good
11,737 reviews

Comfort

7.8

Crew

8.5

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Spokane to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Spokane to Ontario?

    There are many flights that can get you from Spokane to Ontario in 4h 26m. Fly via Alaska Airlines or Delta to get the fastest option. Airlines will cover a distance of 936 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Spokane to Ontario round-trip?

    Currently priced at $158, United Airlines will fly you from Spokane to Ontario and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $178 and $184, respectively. You may be able to fly from Spokane to Ontario for 51% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Spokane to Ontario one-way?

    $72 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $108 and $108, respectively.

  • Can I find deals for flights from Spokane to Ontario that include hotel bookings?

    Yes. In addition to deals on Spokane to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Spokane to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spokane to Ontario.

  • Can I find deals for business class flights from Spokane to Ontario?

    Yes. Cheapflights offers flight deals from Spokane to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Spokane to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Spokane to Ontario (average of $46). Flying from Spokane to Ontario in December is currently the most expensive (average of $177). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Spokane to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Las Vegas flights
Seattle to Los Angeles flights
Portland to Los Angeles flights
Seattle to Santa Ana flights
Seattle to Ontario flights
Seattle to San Francisco flights
Seattle to San Diego flights
Portland to Las Vegas flights
Seattle to Palm Springs flights
Everett to Las Vegas flights
Seattle to Burbank flights
Seattle to San Jose flights
Portland to San Francisco flights
Everett to Los Angeles flights
Portland to Palm Springs flights
Portland to Santa Ana flights
Everett to San Diego flights
Seattle to Long Beach flights
Seattle to Sacramento flights
Portland to Ontario flights
Portland to San Diego flights
Portland to Burbank flights
Spokane to Las Vegas flights
Seattle to Oakland flights
Everett to San Francisco flights
Everett to Santa Ana flights
Spokane to San Diego flights
Portland to Long Beach flights
Spokane to Los Angeles flights
Seattle to Reno flights
Portland to Sacramento flights
Portland to San Jose flights
Seattle to Santa Barbara flights
Portland to Oakland flights
Spokane to San Francisco flights
Seattle to Santa Rosa flights
Seattle to San Luis Obispo flights
Seattle to Monterey flights
Seattle to Fresno flights
Spokane to Santa Ana flights
Pasco to Las Vegas flights
Portland to Reno flights
Pasco to Los Angeles flights
Seattle to Medford flights
Portland to San Luis Obispo flights
Spokane to Palm Springs flights
Portland to Santa Barbara flights
Portland to Santa Rosa flights
Spokane to Sacramento flights

Top 4 airlines flying from Spokane to Ontario

Discover the top 4 airlines that operate flights from Spokane to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$158Average$333FlexibilityNo cancel feeOn-time69%
DeltaCheapest$178Average$295FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$184Average$341FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$202Average$335FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.