The cheapest times to fly from ONT to YKM are

  • January 1st to March 18th (except the weeks of February 5th and February 19th)
  • April 23rd to May 6th
  • May 21st to June 10th
  • October 8th to December 16th (except the weeks of November 19th and November 26th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ONT to YKM is early December. Prices can be as high as $747 for Sunday flights during early August, or as low as $199 for Tuesday flights around early December.


When to Fly to Yakima

Flying from Ontario, CA (ONT) to Yakima, WA (YKM) will usually cost between $238 to $508 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $230. Due to high demand the most expensive time to fly is early August, with an average price of $612. Planning your trip to low-cost times can easily save you $382 on economy flights and even more on first-class flights. Generally, any price below $336 can be considered a good price for a round-trip ONT to YKM flight.

See below for a graph of average weekly prices for the ONT to YKM route. All prices are for round-trip tickets in USD.

ONT to YKM Flight Prices

Compared to other flights, the ONT to YKM flight is much cheaper than the average and costs much less than the average flight leaving from Ontario. The average price per mile (for a direct flight) is $0.24, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $100 (25%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $288. Return trip prices are from the YKM to ONT flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ONT to YKM can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 34 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ONT to YKM while comparing.

Destination alternative #1: Seattle/Tacoma International Airport (SEA) in Seattle, WA

  • 103 miles (166 km) away from YKM
  • Usually 37.20% less expensive than YKM
  • Nonstop flights available

See ONT to SEA flights

Destination alternative #2: Portland International Airport (PDX) in Portland, OR

  • 119 miles (192 km) away from YKM
  • Usually 24.85% less expensive than YKM
  • Nonstop flights available

See ONT to PDX flights

Destination alternative #3: Tri Cities Airport (PSC) in Pasco/Kennewick/Richland, WA

  • 71 miles (114 km) away from YKM
  • Usually 3.13% less expensive than YKM
  • 1-layover flights available

See ONT to PSC flights


Flight Questions Answered

Still have questions about flying from ONT to YKM? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Yakima Air Terminal/McAllister Field Airport to Ontario International Airport?

The distance between the two airports is roughly 878 miles or 1413 kilometers.

How long does it take to fly from ONT to YKM?

The real-world flight time for a nonstop ONT to YKM flight is about 2 hour 34 minutes.

How many flights go between Ontario, CA and Yakima, WA?

It depends on the day of the week and the date, but a typical day might have around 45 available flights from ONT to YKM.


Airport Location Info


Departing Airport

Origination code ONT
Origination airport name Ontario International Airport
City Ontario, CA
Country the United States
Latitude 34.1
Longitude -117.6

Return Airport

Destination code YKM
Destination airport name Yakima Air Terminal/McAllister Field Airport
City Yakima, WA
Country the United States
Latitude 46.6
Longitude -120.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.