ONT - FCA

$145 Find Cheap Flights from Ontario to Kalispell

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Kalispell departing on 6/24. 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 Kalispell

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

Cheap Flight Deals from Ontario to Kalispell (ONT-FCA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Kalispell 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 Ontario to Kalispell

Wed, Jun 4 - Mon, Jun 9
Hawaiian Airlines Logo
11:51 am - 5:52 pmONT-FCA
5h 01m1 stop
Hawaiian Airlines Logo
6:32 pm - 10:46 pmFCA-ONT
5h 14m1 stop
$254Hawaiian Airlines
Find Deal
Wed, May 28 - Sun, Jun 1
Delta Logo
6:00 am - 11:13 amONT-FCA
4h 13m1 stop
Delta Logo
5:25 am - 9:11 amFCA-ONT
4h 46m1 stop
$255Delta
Find Deal
Wed, May 28 - Sun, Jun 1
Delta Logo
11:44 am - 12:30 amONT-FCA
11h 46m2 stops
Delta Logo
5:25 am - 9:11 amFCA-ONT
4h 46m1 stop
$260Delta
Find Deal
Wed, Aug 20 - Wed, Aug 27
Alaska Airlines Logo
3:04 pm - 11:59 pmONT-FCA
7h 55m1 stop
Alaska Airlines Logo
6:39 am - 10:44 amFCA-ONT
5h 05m1 stop
$289Alaska Airlines
Find Deal
Thu, Aug 7 - Tue, Aug 12
Delta Logo
11:25 am - 12:25 amONT-FCA
12h 00m2 stops
Delta Logo
5:25 am - 8:58 amFCA-ONT
4h 33m1 stop
$294Delta
Find Deal
Sat, Jun 7 - Wed, Jun 11
Alaska Airlines Logo
10:00 am - 5:52 pmONT-FCA
6h 52m2 stops
Alaska Airlines Logo
6:32 pm - 10:46 pmFCA-ONT
5h 14m1 stop
$309Alaska Airlines
Find Deal
Thu, Jun 12 - Fri, Jun 13
United Airlines Logo
5:10 am - 1:30 pmONT-FCA
7h 20m1 stop
United Airlines Logo
2:32 pm - 9:04 pmFCA-ONT
7h 32m1 stop
$393United Airlines
Find Deal
Sun, May 18 - Sun, May 25
United Airlines Logo
5:05 am - 1:31 pmONT-FCA
7h 26m1 stop
United Airlines Logo
2:32 pm - 9:04 pmFCA-ONT
7h 32m1 stop
$408United Airlines
Find Deal
Thu, Jul 31 - Sun, Aug 3
American Airlines Logo
12:59 am - 10:56 amONT-FCA
8h 57m1 stop
American Airlines Logo
3:23 pm - 11:54 pmFCA-ONT
9h 31m1 stop
$809American Airlines
Find Deal
Thu, Jul 31 - Mon, Aug 4
American Airlines Logo
12:59 am - 10:56 amONT-FCA
8h 57m1 stop
American Airlines Logo
11:46 am - 9:38 pmFCA-ONT
10h 52m2 stops
$814American Airlines
Find Deal
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KAYAK's insights & trends for Ontario to Kalispell flights

Get data-powered insights and trends into flights from Ontario to Kalispell 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 Ontario to Kalispell?

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

Your flight ticket price will generally be cheaper if you fly to Kalispell on a Monday and more expensive on a Thursday. On your return trip to Ontario, you should consider flying back on a Wednesday, and avoid Mondays for better deals.

What is the cheapest month to fly from Ontario to Kalispell?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Kalispell, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Kalispell is January, where tickets cost $318 (return) on average. On the other hand, the most expensive months are September and December, where the average cost of round-trip tickets is $708 and $675 respectively.

Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$145
Best time to beat the crowds with an average 34% drop in price.
Most popular time to fly with an average 28% increase in price.
Flight from Ontario to Kalispell

When to book flights from Ontario to Kalispell

Are your dates flexible? Find out the best times to travel from Ontario to Kalispell 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 Ontario to Kalispell

  • What is the cheapest flight from Ontario to Kalispell?

    In the last 3 days, the lowest price for a flight from Ontario to Kalispell was $145 for a one-way ticket and $254 for a round-trip.

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

    No, a passport isn't needed to fly from Ontario to Kalispell. However, local authorities might ask for an official ID.

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

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

  • Which airline alliances offer flights from Ontario to Kalispell?

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

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

    The two airlines most popular with KAYAK users for flights from Ontario to Kalispell are Delta and Alaska Airlines. With an average price for the route of $408 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 $446 and an overall rating of 8.0.

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

    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 Ontario to Kalispell.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kalispell from Ontario 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 Ontario to Kalispell?

    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 Kalispell with an airline and back to Ontario with another airline. Booking your flights between Ontario and FCA 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 Ontario to Kalispell?

    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 Kalispell from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top 3 airlines serving from Ontario to Kalispell

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Kalispell. 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 Ontario to Kalispell? 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 9991 reviews
7.9Comfort
8.5Crew
7.1Food
8.1Boarding
7.1Entertainment
Airline reviews

The actual flight I was rescheduled onto was from Seattle to Bozeman. The flight itself was fine, but due to delays/air traffic issues i spent the day hanging out at the Seattle airport and had to miss a day of work.

4.0 OkayAnonymous, May 2025PDX - BZN
Read more Alaska Airlines reviews

The actual flight I was rescheduled onto was from Seattle to Bozeman. The flight itself was fine, but due to delays/air traffic issues i spent the day hanging out at the Seattle airport and had to miss a day of work.

These questions are hard to answer. It was not until I checked in that I learned my flight was going to Seattle for a connection and not Portland. I did not get notified, or asked, about this change by Alaska or Kayak. Thankfully I made this flight; but missed the connecting flight and it took me much longer to get home. A service representative for Alaska says this happens frequently with third party companies, like Kayak. Please please figure that out.

Delayed flight due to mechanical issues. You only serve water or apple juice which is pathetic. To get to connecting flight you need to take a train so dumb. All in all it’s certainly not about the customer is it? You make that perfectly clear. It’s the last time I fly with you no matter how cheap your fares are!

My youngest didn't have a assigned seat until we biard6the plane.

I got the last seat on the plane, in the back in the corner against the window, and I paid a competitive price for my ticket several weeks before the flight.

Long delay before boarding. By the time I was informed of the delay I was already at the gate.

There was no seating at the gate, no where to charge your devices, super crowded. Boarding in group F meant all luggage space was taken when it was time for me to board. The boarding crew was short with everyone and seemed irritated. The luggage space was insufficient, the seat was too small for me (6'4") and very uncomfortable trip. I was in a middle seat between a person snoring the whole trip and a person with very strong body odor. The flight crew was terse and unfriendly, seemed irritated and impatient. Yelled a lot at people with earbuds in, understandable. Finally, we arrived 10 minutes early, only to sit on the tarmac for 20 minutes and wait for a gate. Worst flight experience I've had in years.

Check your emails that you sent me. 9 emails were sent telling me that my flight is Delayed. Each one with a different time 7:10, 7:55, 9:31, 9:09, 9:29, 9:44, 10:00, 9:49, and 10:10. That was how my experience went.

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.

Personal demeanor not good on flight returning to LAX..Great and superb on the way to Portland

737-800 in first class was pretty dumpy. Seat had an uncomfortable angle, storage under the seat was blocked so even my very modest backpack didn't fit, power outlet was flaky. Weird tiny seat pockets that couldn't hold a gallon ziploc bag, emesis bag missing, etc. etc. No in-flight service due to turbulence. Crew was excellent, boarding was smooth despite a full flight.

Delta flight was on time, seats were comfortable, and crew was nice.

Thank you for not flipping the plane on the run way. You guys get a 5 star rating for the flight!!!

Boarding is, as it always is… horrible. Gate lice. Slow moving zones. Too many people with carry ons

It was terrible, if they ran flights on time it would make a big difference.

Delta seems to be improving in many areas, except they are super bad with the food available. Bring back normal food service on long flights.

I actually received a notification from kayak on email but not one by text from Delta when my departure gait changed and I almost missed my flight

New boarding doesn't make sense. Filling front first is slow.

Delta flight was great from the check in all the way to arrival. However, I had a very bad experience. I requested a wheelchair and the wheelchair employee that went to pick me up from the plane in Boston to bring me to the baggage claims told me I have to pay him. I was under the impression that it was a free service and I usually give tips but the person forced me to pay and since I said no because I was upset with his demand when my daughter walked in to pick me up he demanded payment from my daughter who paid him thinking maybe now it is a charged service.

Horrible. Grateful to be alive but spent 13 hours at airport only to return back to my familys house and flight changed to next day. They tried to fix a part on plane, had no back up plane and after 10 hours , reattempted the flight and it STILL wasn't fixed. We got a meal voucher and rescheduled flight but there should be some other compensation for the 15 hours spent in airport

The gate was too far away for the connecting flight

Compared with other carriers business class for an overnight was not worth the extra expense.

Easy to board. Flight was super crowded though so I didn't sleep well on that cross country red-eye flight. The aisles seem ot have gotten narrower and the seat smaller whn luggage and people are getting bigger so it would be AWESOME to have more space and breathing room in general ;)

Pilot Erika DeLong made us feel safe and at ease in a frankly scary time to be flying. Her warm smile and greeting and excellent command of the aircraft in foggy bumpy weather helped us all to calm our nerves and get us home safely.

Plenty of room for me and the cat in Premium Economy. Seat was comfortable. Boarding was a breeze. The lady at the special check-in desk was great, super helpful and professional.

Wish movie and music choices changed more often. Mostly same from a month or two ago when I last flew.

It was good. Just that the seats could not be reclined. The people behind were not ready to let the chairs be reclined

Plane left & arrived early- 5 Crew great. Wi fi - paid for 2, only 1 worked - so so. Waste of $. Coolie was good

There was no USB plug in my section of the plane. So I could not charge my phone. Also, there was no screen to watch movie or anything like that. Wish I had known that in advance, I would’ve brought my iPad.

Made all groups except 2 check despite ample bin space. Inflight WiFi and entertainment didn’t work most of the time.

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

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