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$219+ Cheap flights from Yakima to Ontario (YKM - 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
YKM — ONT
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from Yakima to Ontario

Cheapest flights from Yakima to Ontario
Explore the most affordable flight options available from Yakima to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 11/156:20 pmYKM - ONT
1 stop16h 45mAlaska Airlines
Mon 11/174:11 pmONT - YKM
1 stop7h 58mAlaska Airlines
Deal found 10/28$366
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 11/136:20 pmYKM - ONT
1 stop5h 12mAlaska Airlines
Mon 11/176:11 pmONT - YKM
1 stop5h 58mAlaska Airlines
Deal found 10/29$386
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 11/126:20 pmYKM - ONT
1 stop16h 45mAlaska Airlines
Mon 11/176:11 pmONT - YKM
1 stop5h 58mAlaska Airlines
Deal found 10/29$475
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/146:20 pmYKM - ONT
1 stop5h 12mAlaska Airlines
Mon 11/1710:59 amONT - YKM
2 stops6h 44mAlaska Airlines
Deal found 10/29$520
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 11/46:20 pmYKM - ONT
2 stops15h 38mAlaska Airlines
Tue 11/1811:59 amONT - YKM
1 stop5h 44mAlaska Airlines
Deal found 10/27$554
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 11/46:20 pmYKM - ONT
1 stop26h 33mAlaska Airlines
Sat 11/811:59 amONT - YKM
1 stop5h 44mAlaska Airlines
Deal found 10/27$564

Cheap flight deals from Yakima to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Yakima (YKM) 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$318
(Alaska Airlines)

One-way from

$219
(Alaska Airlines)
Provider with most accurate pricing for Yakima Air Terminal-Ontario flight deals.
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Provider most trusted by Cheapflights users for Yakima Air Terminal-Ontario flights.
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From Yakima Air Terminal to Ontario
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One-way flight from Yakima Air Terminal to Ontario
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Yakima 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 October 29, 2025.
Use the filters below to find and compare flights from Yakima to Ontario that are best for you.

Fly from

Yakima

Fly to

Ontario

Route

Depart

Return

Price

YakimaOntario

YKM - ONT

YKMONT

Yakima Air Terminal

Sat 4/18

2:00 pm-6:19 pm

1 stop4h 19m

Ontario

Wed 4/22

6:00 am-1:27 pm

1 stop7h 27m

$318

YakimaOntario

YKM - ONT

YKMONT

Yakima Air Terminal

Sat 11/15

6:20 pm-11:05 am

1 stop16h 45m

Ontario

Mon 11/17

4:11 pm-12:09 am

1 stop7h 58m

$366

YakimaOntario

YKM - ONT

YKMONT

Yakima Air Terminal

Sat 11/15

6:20 pm-11:05 am

1 stop16h 45m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Yakima 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 Yakima to Ontario in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 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 Yakima-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Yakima-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Yakima-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Yakima-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 Yakima-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 Yakima to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Yakima 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 Yakima to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Yakima to Ontario (average of $78). Flying from Yakima to Ontario in June is currently the most expensive (average of $196). 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.

Related info for your journey

Find useful and relevant information for your journey from Yakima 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 Yakima to Ontario?

    There are many flights that can get you from Yakima to Ontario in 4h 19m. Fly via Alaska Airlines to get the fastest option. The distance from Yakima to Ontario is about 878 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Yakima 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 Yakima to Ontario?

    Currently, January is the cheapest month in which you can book a flight from Yakima to Ontario (average of $78). Flying from Yakima to Ontario in June is currently the most expensive (average of $196). 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.

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