FCA - ONT

$111 Find Cheap Flights from Kalispell to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$340
Typical prices: $310-$428
Alaska Airlines
Thu 1/11Tue 1/16
FCA - ONT • 1 stop
Cheapest one-way
$111
Typical prices: $165-$300
Multiple Airlines
Mon 12/17
FCA - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Kalispell and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 26% price drop
September
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Portland (PDX)
Cheapest • Avg $192 (round-trip)
San Francisco (SFO)
Shortest trip • 4h 59m (one-way)
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Insights
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Flight Deals

Cheap Flights from Kalispell to Ontario (FCA-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kalispell to Ontario

Mon, Jan 11 - Sat, Jan 16
Alaska Airlines Logo
12:51 pm - 5:17 pmFCA  Kalispell Glacier Park-ONT Ontario
5h 26m1 stop Portland
Alaska Airlines Logo
11:36 am - 6:57 pmONT  Ontario-FCA Kalispell Glacier Park
6h 21m1 stop Seattle/Tacoma Intl
$340Alaska Airlines
Wed, Feb 3 - Mon, Feb 8
Alaska Airlines Logo
12:51 pm - 5:17 pmFCA  Kalispell Glacier Park-ONT Ontario
5h 26m1 stop Portland
Alaska Airlines Logo
7:10 am - 1:11 pmONT  Ontario-FCA Kalispell Glacier Park
5h 01m1 stop Portland
$347Alaska Airlines
Tue, Feb 2 - Mon, Feb 8
Alaska Airlines Logo
12:51 pm - 5:17 pmFCA  Kalispell Glacier Park-ONT Ontario
5h 26m1 stop Portland
Alaska Airlines Logo
4:16 pm - 10:57 pmONT  Ontario-FCA Kalispell Glacier Park
5h 41m1 stop Seattle/Tacoma Intl
$347Alaska Airlines
Tue, Feb 2 - Mon, Feb 8
Alaska Airlines Logo
7:37 pm - 10:38 amFCA  Kalispell Glacier Park-ONT Ontario
16h 01m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:16 pm - 10:57 pmONT  Ontario-FCA Kalispell Glacier Park
5h 41m1 stop Seattle/Tacoma Intl
$347Alaska Airlines
Thu, Nov 12 - Sun, Nov 15
Delta Logo
6:17 pm - 11:49 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 32m1 stop Salt Lake City
Delta Logo
6:00 am - 11:31 amONT  Ontario-FCA Kalispell Glacier Park
4h 31m1 stop Salt Lake City
$369Delta
Wed, Nov 11 - Fri, Nov 13
Delta Logo
6:17 pm - 11:49 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 32m1 stop Salt Lake City
Delta Logo
6:00 am - 11:31 amONT  Ontario-FCA Kalispell Glacier Park
4h 31m1 stop Salt Lake City
$419Delta
Tue, Nov 10 - Thu, Nov 12
Delta Logo
6:17 pm - 11:49 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 32m1 stop Salt Lake City
Delta Logo
5:04 pm - 10:45 pmONT  Ontario-FCA Kalispell Glacier Park
4h 41m1 stop Salt Lake City
$419Delta
Thu, Nov 12 - Sun, Nov 15
United Airlines Logo
2:36 pm - 8:51 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 15m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:34 pmONT  Ontario-FCA Kalispell Glacier Park
7h 34m1 stop Denver Intl
$437United Airlines
Fri, Dec 4 - Sun, Dec 6
United Airlines Logo
2:42 pm - 9:11 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 29m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:36 pmONT  Ontario-FCA Kalispell Glacier Park
7h 36m1 stop Denver Intl
$447United Airlines
Wed, Nov 11 - Sat, Nov 14
United Airlines Logo
6:14 am - 12:33 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 19m1 stop Denver Intl
United Airlines Logo
1:29 pm - 9:51 pmONT  Ontario-FCA Kalispell Glacier Park
7h 22m1 stop Denver Intl
$519United Airlines
Booking Insights

Price, demand and travel trends for Kalispell to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Kalispell to Ontario?

Round-trip flights from Kalispell to Ontario typically range from $310 to $428. The lowest price found in the past 5 days was $340, on Alaska Airlines.

What’s the cheapest month to fly from Kalispell to Ontario?

•February is the cheapest month to fly from Kalispell to Ontario at $276 round-trip.
•April ($715) and July ($691) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 159% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Key details for Kalispell to Ontario flights

Low season

February

Cheapest flight

$111
Beat the crowds with an average 65% drop in travelers.
The most popular month to fly with an average 83% increase in travelers.
One-way 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

Your Kalispell to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Kalispell to Ontario?

    Two cabin classes are available on flights from Kalispell to Ontario:

    • Economy Class
    • First Class

  • How long is a flight from Kalispell to Ontario?

    A nonstop flight from Kalispell to Ontario takes 00m, covering 999 miles.

  • Do I need a passport to fly from Kalispell to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Kalispell to Ontario flight?

    Round-trip flights from Kalispell to Ontario range from $310 to $428, with an average of $372 over the past 12 months. Anything below $310 counts as a good deal.

  • Have flight prices from Kalispell to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $340 to $1,865. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Kalispell to Ontario looking right now?

    One-way fares from Kalispell to Ontario are currently lower than usual. Average one-way flight prices are about $177, which is 28% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Kalispell to Ontario?

    Flights from Kalispell to Ontario usually depart from Kalispell Glacier Park (FCA) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Kalispell to Ontario pass through?

    One-stop flights from Kalispell to Ontario most commonly connect through:

    • Salt Lake City (SLC) - 54% of one-stop connections
    • San Francisco (SFO) - 22% of one-stop connections
    • Denver Intl (DEN) - 13% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 9% of one-stop connections

  • Can I save money by using flexible dates for flights from Kalispell to Ontario?

    Yes. Flexible dates can save you up to 71% on flights from Kalispell to Ontario. Tuesday is the cheapest departure day at $192 round-trip on average, while Sunday is the most expensive at $662, a difference of $470.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Kalispell to Ontario?

    Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 4h 59m, compared with 5h 10m via Salt Lake City (SLC) and 5h 14m via Portland (PDX).

  • What is the time difference between Kalispell and Ontario?

    Ontario is 1 hour behind Kalispell (Pacific Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Kalispell to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $192, about $470 less than Sunday fares (71% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Kalispell to Ontario trip for February. Fares historically average $276 round-trip in that month - typically $439 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Ontario Airport Inn
    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • Holiday Inn Ontario Airport By IHG

More options for your flight from Kalispell to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario