FCA - ONT

$154 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
$272
Typical prices: $278-$407
Multiple Airlines
Tue 9/11Fri 9/14
FCA - ONT • 1 stop
Cheapest one-way
$115
Typical prices: $144-$329
Multiple Airlines
Tue 9/11
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 • 21% 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 56m (one-way)
Insights
Insights
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We hope you love your trip to Ontario!
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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

Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
8:43 pm - 9:09 amFCA  Kalispell Glacier Park-ONT Ontario
13h 26m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:00 am - 7:56 pmONT  Ontario-FCA Kalispell Glacier Park
10h 56m1 stop Las Vegas Harry Reid Intl
$272Multiple Airlines
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
8:43 pm - 9:09 amFCA  Kalispell Glacier Park-ONT Ontario
13h 26m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:00 am - 7:56 pmONT  Ontario-FCA Kalispell Glacier Park
10h 56m1 stop Las Vegas Harry Reid Intl
$275Multiple Airlines
Fri, Nov 13 - Sun, Nov 15
Delta Logo
6:16 pm - 11:58 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 42m1 stop Salt Lake City
Delta Logo
6:00 am - 11:31 amONT  Ontario-FCA Kalispell Glacier Park
4h 31m1 stop Salt Lake City
$307Delta
Fri, Oct 2 - Sun, Oct 4
Delta Logo
5:30 am - 9:02 amFCA  Kalispell Glacier Park-ONT Ontario
4h 32m1 stop Salt Lake City
Delta Logo
6:00 am - 11:47 amONT  Ontario-FCA Kalispell Glacier Park
4h 47m1 stop Salt Lake City
$307Delta
Fri, Sep 25 - Mon, Oct 5
Delta Logo
5:30 am - 9:02 amFCA  Kalispell Glacier Park-ONT Ontario
4h 32m1 stop Salt Lake City
Delta Logo
6:00 am - 11:47 amONT  Ontario-FCA Kalispell Glacier Park
4h 47m1 stop Salt Lake City
$307Delta
Fri, Oct 23 - Tue, Oct 27
Alaska Airlines Logo
2:03 pm - 6:00 pmFCA  Kalispell Glacier Park-ONT Ontario
4h 57m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:02 am - 12:23 pmONT  Ontario-FCA Kalispell Glacier Park
5h 21m1 stop Seattle/Tacoma Intl
$347Alaska Airlines
Fri, Oct 23 - Sat, Oct 24
Alaska Airlines Logo
7:45 pm - 11:42 pmFCA  Kalispell Glacier Park-ONT Ontario
4h 57m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
11:13 am - 7:05 pmONT  Ontario-FCA Kalispell Glacier Park
6h 52m1 stop Seattle/Tacoma Intl
$347Alaska Airlines
Thu, Sep 3 - Tue, Sep 8
United Airlines Logo
2:31 pm - 8:53 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 22m1 stop Denver Intl
United Airlines Logo
9:01 am - 3:21 pmONT  Ontario-FCA Kalispell Glacier Park
5h 20m1 stop San Francisco
$398United Airlines
Thu, Sep 3 - Tue, Sep 8
United Airlines Logo
6:20 am - 12:50 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 30m1 stop Denver Intl
United Airlines Logo
9:01 am - 3:21 pmONT  Ontario-FCA Kalispell Glacier Park
5h 20m1 stop San Francisco
$398United Airlines
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
8:43 pm - 4:46 pmFCA  Kalispell Glacier Park-ONT Ontario
21h 03m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth
Multiple Airlines Logo
8:00 am - 7:56 pmONT  Ontario-FCA Kalispell Glacier Park
10h 56m1 stop Las Vegas Harry Reid Intl
$469Multiple 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 from Kalispell to Ontario with more confidence.

What is 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

$115
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly with an average 28% 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

Your Kalispell to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

    Only Economy Class is available on flights from Kalispell to Ontario.

  • 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) - 59% of one-stop connections
    • San Francisco (SFO) - 15% of one-stop connections
    • Denver Intl (DEN) - 12% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 12% of one-stop connections

    Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 61% on the Kalispell to Ontario route. Tuesday is the cheapest departure day at $260 round-trip on average, while Sunday is the most expensive at $662, a difference of $402. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ontario?

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

  • How long is a flight from Kalispell to Ontario?

    A nonstop flight from Kalispell to Ontario takes 0h 00m, covering 999 miles.

  • What are the earliest and latest flights from Kalispell to Ontario?

    These are the earliest and latest flight times available from Kalispell to Ontario:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • 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.

  • 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 $272 to $1,200. That means the highest observed fare was about 4x 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 $185, which is 8% below the typical average for this route.

  • 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 56m, compared with 5h 07m 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 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

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

    Round-trip flights from Kalispell to Ontario range from $278 to $407, with an average of $347 over the past 12 months. Anything below $278 counts as a good deal.

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 can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $260 - about $402 less than Sunday (61% 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.
    - Azure Hotel & Suites, Trademark Collection by Wyndham
    - La Quinta Inn & Suites by Wyndham Ontario Airport
    - Holiday Inn Ontario Airport By IHG

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

Information on your arrival and departure airports

Kalispell (FCA)
Ontario (ONT)