Cheap flights from Idaho to Los Angeles from $89
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Los Angeles departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Southwest flights from Idaho to Ontario
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How to get the cheapest flight ticket from Idaho to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ontario?
In general, September is the cheapest month to fly from Idaho to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $305. If you aren’t able to travel during the month of September, then book flights to Ontario from Idaho during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $308.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $284. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to Ontario for around $353.
What is the cheapest time of day to depart on your flight to Ontario?
In the afternoon is the cheapest time of day to fly from Idaho to Ontario when you can find flight prices for as low as $312. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $374 on average. Flights to Ontario from Idaho at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $335 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Idaho for as low as $168 on momondo.
What is the cheapest airline that flies from Idaho to Ontario?
Hawaiian Airlines, Delta, and Alaska Airlines are the most popular carriers operating from Idaho to Ontario
What airlines fly to Ontario?
Alaska Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Ontario from Idaho according to our data. Alaska Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
Cheap Idaho to Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to Ontario
When did momondo last update prices for flights from Idaho to Ontario Airport?
Prices for flights from Idaho to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho to Ontario Airport?
As of June 2025, there are 4 operators available to choose from for flights from Idaho to Ontario Airport.
How old do you have to be to fly from Idaho to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Idaho to Ontario
Compare and see reviews for airlines that fly from Idaho to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $156 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $201 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $218 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 8.0 4,280 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Idaho to Ontario?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to Ontario for you.
Can I find flights from Idaho to Ontario with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ontario from Idaho which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Idaho to Ontario?
Once all potential Idaho to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Idaho to Ontario right now. Can momondo alert me if prices change?
Price alerts on flights to Ontario from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.