FCA - ONT

$164 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
$326
Typical prices: $278-$407
Delta
Wed 10/10Tue 10/16
FCA - ONT • 1 stop
Cheapest one-way
$164
Typical prices: $144-$329
Delta
Thu 10/18
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 $228 (round-trip)
San Francisco (SFO)
Shortest trip • 4h 56m (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

Sat, Oct 10 - Fri, Oct 16
Delta Logo
6:13 pm - 10:11 pmFCA  Kalispell Glacier Park-ONT Ontario
4h 58m1 stop Salt Lake City
Delta Logo
6:00 am - 11:37 amONT  Ontario-FCA Kalispell Glacier Park
4h 37m1 stop Salt Lake City
$326Delta
Fri, Oct 23 - Mon, Oct 26
Delta Logo
6:13 pm - 11:55 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 42m1 stop Salt Lake City
Delta Logo
5:03 pm - 10:57 pmONT  Ontario-FCA Kalispell Glacier Park
4h 54m1 stop Salt Lake City
$327Delta
Thu, Oct 22 - Sun, Oct 25
United Airlines Logo
4:17 pm - 10:51 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 34m1 stop San Francisco
United Airlines Logo
5:00 am - 1:34 pmONT  Ontario-FCA Kalispell Glacier Park
7h 34m1 stop Denver Intl
$327United Airlines
Wed, Jan 13 - Tue, Jan 19
Delta Logo
6:10 pm - 10:48 pmFCA  Kalispell Glacier Park-ONT Ontario
5h 38m1 stop Salt Lake City
Delta Logo
6:00 am - 11:49 amONT  Ontario-FCA Kalispell Glacier Park
4h 49m1 stop Salt Lake City
$327Delta
Thu, Oct 29 - Sat, Nov 7
Delta Logo
5:30 am - 8:55 amFCA  Kalispell Glacier Park-ONT Ontario
4h 25m1 stop Salt Lake City
Delta Logo
5:03 pm - 10:57 pmONT  Ontario-FCA Kalispell Glacier Park
4h 54m1 stop Salt Lake City
$327Delta
Sat, Oct 31 - Mon, Nov 2
Alaska Airlines Logo
8:01 am - 1:16 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 15m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 12:15 pmONT  Ontario-FCA Kalispell Glacier Park
5h 15m1 stop Seattle/Tacoma Intl
$338Alaska Airlines
Sat, Oct 31 - Sat, Nov 7
Alaska Airlines Logo
8:01 am - 1:16 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 15m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 12:15 pmONT  Ontario-FCA Kalispell Glacier Park
5h 15m1 stop Seattle/Tacoma Intl
$338Alaska Airlines
Sat, Oct 31 - Mon, Nov 2
Alaska Airlines Logo
8:01 am - 1:16 pmFCA  Kalispell Glacier Park-ONT Ontario
6h 15m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 12:15 pmONT  Ontario-FCA Kalispell Glacier Park
5h 15m1 stop Seattle/Tacoma Intl
$349Alaska Airlines
Sat, Oct 3 - Mon, Oct 5
United Airlines Logo
6:05 am - 12:46 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 41m1 stop Denver Intl
United Airlines Logo
5:00 am - 1:28 pmONT  Ontario-FCA Kalispell Glacier Park
7h 28m1 stop Denver Intl
$449United Airlines
Thu, Oct 15 - Sun, Oct 18
United Airlines Logo
4:17 pm - 10:51 pmFCA  Kalispell Glacier Park-ONT Ontario
7h 34m1 stop San Francisco
United Airlines Logo
5:00 am - 1:28 pmONT  Ontario-FCA Kalispell Glacier Park
7h 28m1 stop Denver Intl
$459United 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.

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

Round-trip flights from Kalispell to Ontario start at $326. Prices are typical for this route right now, with typical round-trip fares ranging from $278 to $407. The lowest price found in the past 5 days was $326 on Delta.

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.

Find deals

Key details for Kalispell to Ontario flights

Low season

February

Cheapest flight

$164
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?

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

    • Economy Class
    • First Class

  • 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) - 62% of one-stop connections
    • Denver Intl (DEN) - 12% of one-stop connections
    • San Francisco (SFO) - 12% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 10% 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 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.

  • 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 $326 to $1,702. 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 $175, which is 13% 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 06m via Portland (PDX) and 5h 07m via Salt Lake City (SLC).

  • 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
    - Ontario Airport Inn

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