FCA - ONT

$101 Find Cheap Flights from Kalispell to Ontario - Compare and Save

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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
$101
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)
Insights
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
Thu, Dec 17 - Thu, Jan 7
United Airlines Logo
1:36 pm - 5:46 pmFCA  Kalispell Glacier Park-ONT Ontario
5h 10m1 stop San Francisco
United Airlines Logo
1:42 pm - 9:52 pmONT  Ontario-FCA Kalispell Glacier Park
7h 10m1 stop Denver Intl
$347United 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
Sun, Dec 20 - Sat, Jan 9
Alaska Airlines Logo
7:09 pm - 11:59 pmFCA  Kalispell Glacier Park-ONT Ontario
5h 50m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:57 pm - 1:11 pmONT  Ontario-FCA Kalispell Glacier Park
18h 14m1 stop Portland
$354Alaska Airlines
Sun, Dec 20 - Sat, Jan 2
Delta Logo
5:05 am - 11:56 amFCA  Kalispell Glacier Park-ONT Ontario
7h 51m1 stop Salt Lake City
Delta Logo
6:00 am - 11:42 amONT  Ontario-FCA Kalispell Glacier Park
4h 42m1 stop Salt Lake City
$367Delta
Tue, Dec 22 - Sat, Jan 2
Delta Logo
6:16 pm - 11:59 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 43m1 stop Salt Lake City
Delta Logo
6:00 am - 11:42 amONT  Ontario-FCA Kalispell Glacier Park
4h 42m1 stop Salt Lake City
$367Delta
Sun, Dec 20 - Sun, Jan 3
Delta Logo
5:05 am - 11:56 amFCA  Kalispell Glacier Park-ONT Ontario
7h 51m1 stop Salt Lake City
Delta Logo
6:00 am - 11:42 amONT  Ontario-FCA Kalispell Glacier Park
4h 42m1 stop Salt Lake City
$367Delta
Mon, Dec 21 - Fri, Jan 1
United Airlines Logo
1:36 pm - 5:46 pmFCA  Kalispell Glacier Park-ONT Ontario
5h 10m1 stop San Francisco
United Airlines Logo
5:00 am - 1:39 pmONT  Ontario-FCA Kalispell Glacier Park
7h 39m1 stop Denver Intl
$447United Airlines
Tue, Jan 12 - Wed, Jan 20
United Airlines Logo
2:48 pm - 9:00 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 12m1 stop Denver Intl
United Airlines Logo
1:42 pm - 9:52 pmONT  Ontario-FCA Kalispell Glacier Park
7h 10m1 stop Denver Intl
$447United 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

$101
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 $1,035. That means the highest observed fare was about 3x 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 $202, which is 18% 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 starting from around $18 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
    • Holiday Inn Ontario Airport By IHG
    • Azure Hotel & Suites, Trademark Collection by Wyndham

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