ONT

$76 Find Cheap Flights from Missouri to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 8/25. 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.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Missouri to Ontario

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

Tue, Jun 30 - Tue, Jul 7
Frontier Logo
1:45 pm - 10:05 am
MCI
-
ONT
22h 20m
1 stop
Frontier Logo
6:00 am - 12:55 pm
ONT
-
MCI
28h 55m
1 stop
$197Frontier
Wed, Aug 5 - Wed, Aug 12
Frontier Logo
7:03 pm - 3:07 pm
STL
-
ONT
22h 04m
1 stop
Frontier Logo
6:00 am - 7:23 pm
ONT
-
STL
11h 23m
1 stop
$210Frontier
Tue, Jun 2 - Tue, Jun 9
Frontier Logo
2:34 pm - 10:05 am
MCI
-
ONT
21h 31m
1 stop
Frontier Logo
6:00 am - 1:00 pm
ONT
-
MCI
5h 00m
1 stop
$210Frontier
Thu, Sep 24 - Mon, Sep 28
American Airlines Logo
6:00 am - 9:29 am
SGF
-
ONT
5h 29m
1 stop
American Airlines Logo
11:59 pm - 9:10 am
ONT
-
SGF
7h 11m
1 stop
$339American Airlines
Wed, Jul 22 - Mon, Jul 27
Multiple Airlines Logo
2:51 pm - 7:53 pm
SGF
-
ONT
7h 02m
1 stop
Multiple Airlines Logo
3:40 pm - 11:06 am
ONT
-
SGF
41h 26m
2 stops
$358Multiple Airlines
Mon, Sep 21 - Fri, Sep 25
Multiple Airlines Logo
12:52 pm - 8:54 pm
SGF
-
ONT
10h 02m
1 stop
Multiple Airlines Logo
9:49 pm - 12:22 pm
ONT
-
SGF
36h 33m
2 stops
$360Multiple Airlines
Fri, May 29 - Sun, May 31
American Airlines Logo
7:30 pm - 11:59 pm
SGF
-
ONT
6h 29m
1 stop
American Airlines Logo
11:59 pm - 8:59 am
ONT
-
SGF
7h 00m
1 stop
$364American Airlines
Sat, May 23 - Thu, May 28
Delta Logo
4:00 pm - 9:48 pm
SGF
-
ONT
7h 48m
1 stop
Delta Logo
12:07 pm - 10:19 pm
ONT
-
SGF
8h 12m
1 stop
$394Delta
Wed, Aug 26 - Sat, Aug 29
United Airlines Logo
11:30 am - 6:19 pm
COU
-
ONT
8h 49m
1 stop
United Airlines Logo
7:13 pm - 10:55 am
ONT
-
COU
13h 42m
2 stops
$414United Airlines
Wed, Aug 26 - Sat, Aug 29
United Airlines Logo
11:30 am - 8:52 pm
COU
-
ONT
11h 22m
2 stops
United Airlines Logo
7:13 pm - 10:55 am
ONT
-
COU
13h 42m
2 stops
$419United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$76
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Kansas City to Ontario

FAQs for booking flights from Missouri to Ontario

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

    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 Missouri to Ontario.

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

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

    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 Ontario with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Ontario?

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

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)