Cheap Flights from BOI to ONT: When to Fly from Boise to Ontario

 

The cheapest times to fly from BOI to ONT are

• January 1st to March 4th (except the week of February 12th)
• April 16th to April 29th
• August 6th to November 18th
• early December

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 BOI to ONT is early December. Prices can be as high as $547 for Sunday flights during mid March, or as low as $216 for Tuesday flights around early December.

 

When to Fly to Ontario

Flying from Boise, ID (BOI) to Ontario, CA (ONT) will usually cost between $219 to $409 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 $233. Due to high demand the most expensive time to fly is mid March, with an average price of $376. Planning your trip to low-cost times can easily save you $143 on economy flights and even more on first-class flights. Generally, any price below $279 can be considered a good price for a round-trip BOI to ONT flight.

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

Compared to other flights, the BOI to ONT flight is much cheaper than the average and costs much less than the average flight leaving from Boise. The average price per mile (for a direct flight) is $0.26, 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 $108 (31%) 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 $239. Return trip prices are from the ONT to BOI flight, and often highlight the quality of our data in showing the same trend.

 

Nonstop Flights and Layovers

Travelers looking to fly from BOI to ONT 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 10 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 BOI to ONT while comparing.

 

Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, Southwest, United, and potentially more during busy seasons.

How far away is it from Ontario International Airport to Boise Air Terminal Airport?

The distance between the two airports is roughly 661 miles or 1064 kilometers.

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

The real-world flight time for a nonstop BOI to ONT flight is about 2 hour 10 minutes.

How many flights go between Boise, ID and Ontario, CA?

It depends on the day of the week and the date, but a typical day might have around 84 available flights from BOI to ONT.

 

Airport Location Info

 

 

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.