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Cheap flights from Missouri to Ontario from $85

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Ontario departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Missouri to Los Angeles

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Missouri to Los Angeles.
Frontier Logo
8:15 pm - 11:59 pmSTL-ONT
5h 44m1 stop
Frontier Logo
12:59 am - 9:59 amONT-STL
7h 00m1 stop
$178Frontier
Find Deal
Sat, May 17 - Tue, May 20
Frontier Logo
7:55 pm - 9:15 amSTL-ONT
15h 20m1 stop
Frontier Logo
12:59 am - 10:09 amONT-STL
7h 10m1 stop
$181Frontier
Find Deal
Sat, May 24 - Fri, May 30
Delta Logo
6:05 pm - 11:42 pmMCI-ONT
7h 37m1 stop
Delta Logo
4:57 pm - 12:20 amONT-MCI
5h 23m1 stop
$299Delta
Find Deal
Wed, May 21 - Wed, May 28
Delta Logo
7:30 am - 12:15 pmSTL-ONT
6h 45m1 stop
Delta Logo
10:01 am - 6:24 pmONT-STL
6h 23m1 stop
$307Delta
Find Deal
Wed, May 14 - Wed, May 21
United Airlines Logo
3:01 pm - 10:00 pmSGF-ONT
8h 59m1 stop
United Airlines Logo
4:15 pm - 11:30 pmONT-SGF
5h 15m1 stop
$319United Airlines
Find Deal
Fri, May 9 - Tue, May 13
Alaska Airlines Logo
4:55 pm - 11:59 pmMCI-ONT
9h 04m1 stop
Alaska Airlines Logo
7:10 am - 4:01 pmONT-MCI
6h 51m1 stop
$320Alaska Airlines
Find Deal
Thu, Aug 28 - Tue, Sep 2
American Airlines Logo
7:49 pm - 11:59 pmMCI-ONT
6h 10m1 stop
American Airlines Logo
11:59 pm - 9:56 amONT-MCI
7h 57m1 stop
$321American Airlines
Find Deal
Thu, Jun 5 - Mon, Jun 9
American Airlines Logo
7:17 pm - 11:43 pmSGF-ONT
6h 26m1 stop
American Airlines Logo
11:59 pm - 8:40 amONT-SGF
6h 41m1 stop
$324American Airlines
Find Deal
Mon, May 5 - Mon, May 19
United Airlines Logo
5:20 am - 12:14 pmSTL-ONT
8h 54m2 stops
United Airlines Logo
6:41 pm - 5:03 amONT-STL
8h 22m1 stop
$332United Airlines
Find Deal
Sat, Jun 7 - Wed, Jun 11
Alaska Airlines Logo
3:17 pm - 11:59 pmSTL-ONT
10h 42m1 stop
Alaska Airlines Logo
10:06 am - 11:59 pmONT-STL
11h 53m2 stops
$385Alaska Airlines
Find Deal
Wed, Sep 24 - Sat, Sep 27

Delta flights from Missouri to Ontario

Our best Delta deals on Missouri to Ontario flight tickets
Delta
May 21
MCI6:05 pmKansas City
7h 37m
1 stop
ONT11:42 pmOntario
May 28
ONT4:57 pmOntario
5h 23m
1 stop
MCI12:20 amKansas City
Delta
May 14
STL7:30 amLambert-St Louis
6h 45m
1 stop
ONT12:15 pmOntario
May 21
ONT10:01 amOntario
6h 23m
1 stop
STL6:24 pmLambert-St Louis
Delta
May 14
STL7:30 amLambert-St Louis
6h 45m
1 stop
ONT12:15 pmOntario
May 19
ONT4:57 pmOntario
6h 02m
1 stop
STL12:59 amLambert-St Louis

Hawaiian Airlines flights from Missouri to Ontario

Our best Hawaiian Airlines deals on Missouri to Ontario flight tickets
Hawaiian Airlines
Sep 10
MCI7:00 amKansas City
9h 06m
1 stop
ONT2:06 pmOntario
Sep 16
ONT7:10 amOntario
6h 51m
1 stop
MCI4:01 pmKansas City
Hawaiian Airlines
May 7
MCI3:59 pmKansas City
9h 59m
1 stop
ONT11:58 pmOntario
May 12
ONT11:46 amOntario
10h 13m
1 stop
MCI11:59 pmKansas City
Hawaiian Airlines
May 5
STL3:08 pmLambert-St Louis
10h 51m
1 stop
ONT11:59 pmOntario
May 10
ONT11:46 amOntario
10h 13m
1 stop
STL11:59 pmLambert-St Louis

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Missouri to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Missouri to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $213. If you aren’t able to travel during the month of February, then book flights to Ontario from Missouri during June instead. Flights to Ontario in June, while not as cheap as those in February, still average around $242.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $291. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Missouri to Ontario for around $376.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from Missouri to Ontario when you can find flight prices for as low as $361. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $442 on average. Flights to Ontario from Missouri in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from Missouri when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $356 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Missouri for as low as $180 on momondo.

Cheap Missouri to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Ontario

Best Price Found

$85

Fastest flight time

5h 09m

Direct flights

None

Airports in Ontario

1 airport
The best one-way flight to Ontario from Missouri in the past 72 hours is $85. The best round-trip flight deal from Missouri to Ontario found on momondo in the last 72 hours is $178.
The fastest flight from Missouri to Ontario takes 5h 09m
There are no direct flights from Missouri to Ontario. Popular non-direct routes for this connection are Kansas City Airport - Ontario Airport and Lambert-St Louis Airport - Ontario Airport.
There is 1 airport near Ontario: Ontario (ONT)

  • When did momondo last update prices for flights from Missouri to Ontario Airport?

    Prices for flights from Missouri to Ontario Airport were last updated today.

  • How many operators does momondo search for flights from Missouri to Ontario Airport?

  • How old do you have to be to fly from Missouri to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Missouri to Ontario?


Best airlines flying from Missouri to Ontario

Compare and see reviews for airlines that fly from Missouri to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
7,941 reviews
Search Spirit Airlines flights
FrontierPriceFrom $114Free CancellationRating
5.9
3,283 reviews
Search Frontier flights
DeltaPriceFrom $181Free CancellationRating
8.0
7,919 reviews
Search Delta flights
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $294Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
SouthwestPriceFrom $326Free CancellationRating
8.0
4,287 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Ontario?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Ontario for you.

Can I find flights from Missouri to Ontario with flexible booking policies on momondo?

All flight searches from Missouri to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Missouri to Ontario?

Once you have performed a search for Missouri to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Missouri to Ontario right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Missouri to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.


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