FCA - ONT

$134 Find Cheap Flights from Kalispell to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Kalispell to Ontario departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Kalispell to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Kalispell to Ontario, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Kalispell to Ontario (FCA-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Kalispell to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kalispell to Ontario

Wed, Aug 20 - Tue, Aug 26
Alaska Airlines Logo
4:51 pm - 11:59 pmFCA-ONT
8h 08m1 stop
Alaska Airlines Logo
3:04 pm - 11:59 pmONT-FCA
7h 55m1 stop
$267Alaska Airlines
Find Deal
Thu, Jun 12 - Mon, Jun 16
Delta Logo
6:11 pm - 11:46 pmFCA-ONT
6h 35m1 stop
Delta Logo
9:44 am - 5:30 pmONT-FCA
6h 46m1 stop
$289Delta
Find Deal
Sat, Nov 8 - Sat, Nov 15
Hawaiian Airlines Logo
6:40 am - 10:39 amFCA-ONT
4h 59m1 stop
Hawaiian Airlines Logo
7:00 am - 1:13 pmONT-FCA
5h 13m1 stop
$293Hawaiian Airlines
Find Deal
Thu, Jun 12 - Mon, Jun 16
Delta Logo
5:30 am - 8:52 amFCA-ONT
4h 22m1 stop
Delta Logo
11:25 am - 12:24 amONT-FCA
11h 59m2 stops
$294Delta
Find Deal
Wed, Aug 20 - Tue, Aug 26
Alaska Airlines Logo
8:02 pm - 11:59 pmFCA-ONT
4h 57m1 stop
Alaska Airlines Logo
10:06 am - 11:59 pmONT-FCA
12h 53m2 stops
$300Alaska Airlines
Find Deal
Thu, Aug 7 - Mon, Aug 11
Hawaiian Airlines Logo
8:00 pm - 12:13 amFCA-ONT
5h 13m1 stop
Hawaiian Airlines Logo
4:00 pm - 11:59 pmONT-FCA
6h 59m1 stop
$313Hawaiian Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
Alaska Airlines Logo
4:09 pm - 10:37 pmFCA-ONT
7h 28m2 stops
Alaska Airlines Logo
7:00 am - 1:13 pmONT-FCA
5h 13m1 stop
$320Alaska Airlines
Find Deal
Thu, Jun 12 - Sun, Jun 15
American Airlines Logo
3:27 pm - 11:02 pmFCA-ONT
8h 35m1 stop
American Airlines Logo
12:59 am - 10:54 amONT-FCA
8h 55m1 stop
$335American Airlines
Find Deal
Mon, Jun 9 - Fri, Jun 13
Alaska Airlines Logo
6:32 pm - 10:46 pmFCA-ONT
5h 14m1 stop
Alaska Airlines Logo
4:00 pm - 11:59 pmONT-FCA
6h 59m1 stop
$353Alaska Airlines
Find Deal
Thu, Jun 12 - Sun, Jun 15
American Airlines Logo
11:44 am - 9:38 pmFCA-ONT
10h 54m2 stops
American Airlines Logo
12:59 am - 10:54 amONT-FCA
8h 55m1 stop
$561American Airlines
Find Deal
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KAYAK's insights & trends for Kalispell to Ontario flights

Get data-powered insights and trends into flights from Kalispell to Ontario to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Kalispell to Ontario?

The average price of all round-trip flights from Kalispell to Ontario clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Ontario on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Kalispell to Ontario. For your return ticket, we recommend flying on a Monday and avoiding Thursdays for the best deals.

Good to know

Low seasonMay
High seasonNovember
Cheapest flight$134
Best time to beat the crowds with an average 36% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Kalispell to Ontario

When to book flights from Kalispell to Ontario

Are your dates flexible? Find out the best times to travel from Kalispell to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Kalispell to Ontario

  • What is the cheapest flight from Kalispell to Ontario?

    In the last 3 days, the lowest price for a flight from Kalispell to Ontario was $134 for a one-way ticket and $267 for a round-trip.

  • Do I need a passport to fly between Kalispell and Ontario?

    No

  • Which aircraft models fly most regularly from Kalispell to Ontario?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Kalispell to Ontario?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between Kalispell and Ontario, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from Kalispell to Ontario, Delta or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Kalispell to Ontario are Delta and Alaska Airlines. With an average price for the route of $340 and an overall rating of 8.0, Delta is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $479 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Kalispell to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kalispell to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kalispell to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Kalispell is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Kalispell to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Kalispell with another airline. Booking your flights between Kalispell and ONT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kalispell to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Kalispell up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top airlines flying from Kalispell to Ontario

 
See real verified KAYAK customer reviews for airlines flying from Kalispell to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Kalispell to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 10000 reviews
7.9Comfort
7.1Entertainment
7.1Food
8.5Crew
8.2Boarding
Airline reviews

Despite boarding starting quite late, we actually got to LAX on time. Boarding was easy and orderly. We knew that no screen with entertainment choices would be included on this flight, and that's fine. It was the best price, and we brought all the types of entertainment we needed with us, and appreciated the USB charging ports. What stood out most, was the complimentary liquor. THAT made the biggest difference in our enjoyment of this flight.

8.0 ExcellentAnonymous, May 2025DCA - LAX
Read more Alaska Airlines reviews

Despite boarding starting quite late, we actually got to LAX on time. Boarding was easy and orderly. We knew that no screen with entertainment choices would be included on this flight, and that's fine. It was the best price, and we brought all the types of entertainment we needed with us, and appreciated the USB charging ports. What stood out most, was the complimentary liquor. THAT made the biggest difference in our enjoyment of this flight.

The staff and crew were excellent. The entire flight process was so friendly and smooth.

flight was canceled. don't cancel flights if you want a better score.

Laney was very helpful. I am computer illiterate. She helped me obtain a boarding pass and preferred seat. She was warm, friendly, helpful, and smiled. I was impressed.

Flight was delayed. Crew was not helpful in the plane.

Missed connection due to waiting on tarmac for gate. Rebooking took 30 minutes in line with 2 people in line in front. Horrible inefficient careless staff.

Boarding was quick and easy as always the crew is on their game as always I always have an enjoyable flight so I’m good.

Need to get on train for second flight it’s much nicer when all the gates are together for obvious reasons

Cramped, crowded aircraft. Poorly organized boarding. Tasteless crackers to eat. 40 minutes late. A standard US air travel experience.

It was my first time flying Alaska Airlines and first time flying from Santa Rosa airport. The staff was very professional and friendly. Their instructions were clear and any question was answered satisfactorily. My seat was comfortable and the in-flight beverage service very adequate for the duration of the flight. We arrived ahead of the scheduled landing time and deplaning was simple. I look forward to flying with Alaska again.

This had nothing to do with Delta… The flights were on time and flawless. The service was excellent. We purchased seats in (aisle/middle) comfort plus since this was a cross country flight. Unfortunately, the woman seated at the window was 300+ pounds and, as might be expected, covered up about a third of the middle seat also. there was absolutely nothing that Delta could have done about that… I just don’t know what the answer should be. If you purchase a seat, you should should be able to use the entire seat and not just the portion that someone else is not sitting/oozing in. Disappointing…there should be something that could be done….I'm just not sure what solution could be.

Seats are much much more comfortable than United, which is what I usually fly

If I pay extra for "comfort+" I expect leg room where I can stretch my legs. I was seated with an attendant's seat blocking my feet. Knee space was fine but my feet had less room than the non-"comfort+" seats. Also, don't go cheap on food when you have flights of 3+ hours. It's insulting.

Only one side of the heafphone jack work. Crew was friendly and helpful.

Great. Flight departed early and arrived early. Deplaning and baggage claim ww were quick.

They separated our seats and moved us to the back of the plane. Hundreds of dollars and thousands of miles used and this was my platinum member experience.

Nothing unusual. It was fine. I hate having to pay extra for my seat.

AC barely worked on a 50 minute flight. It was very warm the whole flight. Flight was very bumpy and hard landing.

Got on the plane and then needed to deboard the plane because they didn’t have any pilots?

The flight was canceled two hours before departure, it took over five hours to rebook us on another flight.

Everything you need to know for your flight from Kalispell to Ontario

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