HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$115+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — ONT
Apr 30 — May 71
Wed 4/30
Wed 5/7
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.

Cheapflights Tip: The best prices from Spokane to Ontario are usually found in October or January, booked 77 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

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 April 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$265
(Alaska Airlines)

One-way from

$115
(Frontier)

Popular in

November

Cheapest in

October

Average price

$399
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. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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 April 25, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/25. 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 8/219:25 amGEG - ONT
1 stop4h 41mAlaska Airlines
Sat 8/236:00 amONT - GEG
1 stop5h 00mAlaska Airlines
Deal found 4/25$265
This Delta deal was found by Cheapflights users on 4/25. 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 5/176:10 amGEG - ONT
1 stop4h 54mDelta
Mon 5/192:55 pmONT - GEG
1 stop7h 55mDelta
Deal found 4/25$267
This Frontier deal was found by Cheapflights users on 4/25. 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 6/1211:58 amGEG - ONT
1 stop11h 52mFrontier
Sat 6/1412:59 amONT - GEG
1 stop10h 04mFrontier
Deal found 4/25$322
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/233:18 pmGEG - ONT
1 stop6h 39mAmerican Airlines
Fri 5/306:01 amONT - GEG
1 stop7h 36mAmerican Airlines
Deal found 4/25$388
This Hawaiian Airlines deal was found by Cheapflights users on 4/24. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/138:00 amGEG - ONT
1 stop5h 26mHawaiian Airlines
Sun 7/202:21 pmONT - GEG
1 stop4h 29mHawaiian Airlines
Deal found 4/24$400
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/127:25 amGEG - ONT
1 stop4h 49mUnited Airlines
Sun 6/156:00 amONT - GEG
1 stop17h 14mUnited Airlines
Deal found 4/24$405
This Southwest deal was found by Cheapflights users on 4/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/155:10 amGEG - ONT
2 stops7h 40mSouthwest
Thu 6/198:05 pmONT - GEG
1 stop4h 25mSouthwest
Deal found 4/25$409

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 April 25, 2025.
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

Thu 8/21

9:25 am-2:06 pm

1 stop4h 41m

Ontario

Sat 8/23

6:00 am-11:00 am

1 stop5h 00m

$265

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Sat 5/17

6:10 am-11:04 am

1 stop4h 54m

Ontario

Mon 5/19

2:55 pm-10:50 pm

1 stop7h 55m

$267

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Thu 6/12

11:58 am-11:50 pm

1 stop11h 52m

Ontario

Sat 6/14

12:59 am-11:03 am

1 stop10h 04m

$322

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Fri 5/23

3:18 pm-9:57 pm

1 stop6h 39m

Ontario

Fri 5/30

6:01 am-1:37 pm

1 stop7h 36m

$388

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Sun 7/13

8:00 am-1:26 pm

1 stop5h 26m

Ontario

Sun 7/20

2:21 pm-6:50 pm

1 stop4h 29m

$400

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Thu 6/12

7:25 am-12:14 pm

1 stop4h 49m

Ontario

Sun 6/15

6:00 am-11:14 pm

1 stop17h 14m

$405

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Sun 6/15

5:10 am-12:50 pm

2 stops7h 40m

Ontario

Thu 6/19

8:05 pm-12:30 am

1 stop4h 25m

$409

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Sun 6/1

11:48 am-11:50 pm

1 stop12h 02m

$115

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Tue 5/27

8:27 am-3:50 pm

1 stop7h 23m

$123

SpokaneOntario

GEG - ONT

GEGONT

Spokane

Sat 8/2

6:10 am-10:53 am

1 stop4h 43m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 12 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Spokane-Ontario flight deals on Cheapflights vs. FlightHub >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 eDreams the most. eDreams 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 April 18, 2025.

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 77 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 $246). Flying from Spokane to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from GEG to ONT?

Find hourly flight availability from Spokane to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Spokane to Ontario in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at noon.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 April 25, 2025.
Alaska Airlines
8.0
Very good
9,927 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,927 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,289 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,927 reviews

Boarding

8.2

Entertainment

7.1

Food

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    Currently priced at $265, Alaska Airlines will fly you from Spokane to Ontario and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Frontier - these airlines can fly you to your destination from $267 and $322, respectively. You may be able to fly from Spokane to Ontario for 26% less than the average price by searching for these airlines.

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

    $115 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 $123 and $126, 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 $246). Flying from Spokane to Ontario in March is currently the most expensive (average of $328). 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 Los Angeles flights
Seattle to Las Vegas flights
Seattle to Santa Ana flights
Seattle to San Diego flights
Portland to Los Angeles flights
Seattle to Burbank flights
Seattle to Ontario flights
Seattle to San Francisco flights
Portland to Las Vegas flights
Everett to Las Vegas flights
Seattle to San Jose flights
Seattle to Oakland flights
Seattle to Palm Springs flights
Everett to Los Angeles flights
Seattle to Sacramento flights
Portland to San Diego flights
Portland to Ontario flights
Portland to Burbank flights
Portland to San Francisco flights
Portland to Santa Ana flights
Portland to Palm Springs flights
Everett to San Diego flights
Seattle to Reno flights
Portland to Oakland flights
Everett to San Francisco flights
Seattle to Long Beach flights
Everett to Santa Ana flights
Portland to San Jose flights
Seattle to Santa Barbara flights
Portland to Sacramento flights
Seattle to Fresno flights
Portland to Reno flights
Spokane to Los Angeles flights
Spokane to San Diego flights
Spokane to Las Vegas flights
Seattle to San Luis Obispo flights
Portland to San Luis Obispo flights
Seattle to Monterey flights
Seattle to Santa Rosa flights
Portland to Santa Rosa flights
Pasco to Los Angeles flights
Portland to Santa Barbara flights
Spokane to Sacramento flights
Seattle to Medford flights
Pasco to Las Vegas flights
Portland to Fresno flights
Everett to San Jose flights
Portland to Long Beach flights
Bellingham to Las Vegas flights

Top 3 airlines flying from Spokane to Ontario

Discover the top 3 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$218Average$369FlexibilityNo cancel feeOn-time75%
DeltaCheapest$220Average$302FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$250Average$396FlexibilityNo 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.