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Cheap flights from Ontario to Florida Keys from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Florida Keys departing on 2/22. 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 Ontario to Florida Keys

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to Florida Keys that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to Florida Keys.

Cheap last minute flights

Planning a quick getaway from Ontario to Florida Keys? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Florida Keys, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to Florida Keys

Find recent round-trip train or bus tickets from Ontario to Florida Keys.

All round-trip flight deals to Florida Keys

The cheapest plane tickets to Florida Keys found on KAYAK recently.
8:09 pm - 10:53 amONT-MIA
11h 44m1 stop
1:29 pm - 6:58 pmMIA-ONT
8h 29m1 stop
$128Frontier
Find Deal
Sat, Feb 22 - Thu, Feb 27
10:40 am - 1:54 amONT-MIA
12h 14m1 stop
6:14 pm - 10:27 amMIA-ONT
19h 13m1 stop
$137Frontier
Find Deal
Mon, Jan 27 - Sat, Feb 1
8:11 pm - 1:54 amONT-MIA
26h 43m1 stop
6:14 pm - 10:27 amMIA-ONT
19h 13m1 stop
$138Frontier
Find Deal
Thu, Jan 23 - Sat, Feb 1
6:10 am - 8:16 pmONT-MIA
11h 06m1 stop
7:15 am - 3:29 pmMIA-ONT
11h 14m1 stop
$317American Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
12:48 pm - 12:46 amONT-MIA
8h 58m2 stops
8:35 pm - 9:09 amMIA-ONT
15h 34m1 stop
$329American Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
1:00 pm - 12:51 amONT-MIA
8h 51m1 stop
6:40 pm - 11:53 pmMIA-ONT
8h 13m1 stop
$330Delta
Find Deal
Sat, Jan 18 - Fri, Jan 24
6:00 am - 12:51 amONT-MIA
15h 51m2 stops
6:00 am - 11:50 amMIA-ONT
8h 50m1 stop
$335Delta
Find Deal
Sat, Jan 25 - Sat, Feb 1
6:15 am - 8:50 pmONT-MIA
11h 35m2 stops
1:50 pm - 8:45 pmMIA-ONT
9h 55m2 stops
$418Southwest
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Tue, Jan 21 - Tue, Jan 28
1:45 pm - 11:44 pmONT-MIA
6h 59m1 stop
3:47 pm - 8:51 pmMIA-ONT
8h 04m1 stop
$430United Airlines
Find Deal
Fri, Jan 17 - Wed, Jan 22
1:45 pm - 11:44 pmONT-MIA
6h 59m1 stop
7:30 am - 8:29 pmMIA-ONT
15h 59m2 stops
$435United Airlines
Find Deal
Thu, Jan 16 - Thu, Jan 23
8:09 pm - 10:53 amONT-MIA
11h 44m1 stop
$68Frontier
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Sat, Feb 22
6:58 pm - 9:50 amONT-MIA
11h 52m1 stop
$69Frontier
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Wed, Mar 5
12:39 pm - 12:54 amONT-MIA
9h 15m1 stop
$167Delta
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Wed, May 7
1:00 pm - 12:51 amONT-MIA
8h 51m1 stop
$168Delta
Find Deal
Tue, Jan 7
5:05 am - 9:10 pmONT-MIA
13h 05m2 stops
$176Southwest
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Sat, Feb 22
8:40 am - 10:00 pmONT-MIA
10h 20m2 stops
$198Southwest
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Tue, Apr 1
1:45 pm - 11:44 pmONT-MIA
6h 59m1 stop
$215United Airlines
Find Deal
Sun, Jan 19
6:00 am - 3:47 pmONT-MIA
6h 47m1 stop
$218United Airlines
Find Deal
Tue, Jan 7
7:35 pm - 7:09 amONT-MIA
8h 34m1 stop
$243American Airlines
Find Deal
Thu, Mar 20
12:48 pm - 12:46 amONT-MIA
8h 58m2 stops
$248American Airlines
Find Deal
Fri, Jan 17
12:59 am - 5:00 amONT-MIA
25h 01m1 stop
8:00 am - 11:47 pmMIA-ONT
18h 47m1 stop
$388Frontier
Find Deal
Tue, Dec 24 - Wed, Jan 22
10:39 pm - 7:29 amONT-MIA
29h 50m1 stop
7:03 pm - 7:09 amMIA-ONT
15h 06m1 stop
Fri, Dec 27 - Sun, Jan 5
5:05 am - 4:15 pmONT-MIA
8h 10m1 stop
4:55 pm - 10:29 pmMIA-ONT
8h 34m1 stop
$806United Airlines
Find Deal
Mon, Dec 23 - Tue, Dec 31
10:29 pm - 10:11 amONT-MIA
8h 42m1 stop
6:00 am - 10:46 amMIA-ONT
7h 46m1 stop
$852Delta
Find Deal
Fri, Dec 27 - Wed, Jan 1
6:30 pm - 5:57 amONT-MIA
8h 27m1 stop
4:55 pm - 10:29 pmMIA-ONT
8h 34m1 stop
$875United Airlines
Find Deal
Thu, Dec 26 - Mon, Jan 6
12:59 am - 12:21 pmONT-MIA
8h 22m1 stop
9:30 pm - 9:12 amMIA-ONT
14h 42m1 stop
$957American Airlines
Find Deal
Fri, Dec 27 - Mon, Dec 30
6:20 am - 5:25 pmONT-MIA
8h 05m2 stops
7:00 am - 3:10 pmMIA-ONT
11h 10m1 stop
$984Southwest
Find Deal
Mon, Dec 23 - Mon, Dec 30
5:05 am - 5:25 pmONT-MIA
9h 20m2 stops
2:15 pm - 9:15 pmMIA-ONT
10h 00m2 stops
$989Southwest
Find Deal
Mon, Dec 23 - Mon, Dec 30
11:59 pm - 9:49 amONT-MIA
6h 50m1 stop
12:20 pm - 8:37 pmMIA-ONT
11h 17m2 stops
$1,006American Airlines
Find Deal
Mon, Dec 23 - Tue, Dec 24
10:29 pm - 9:09 amONT-MIA
7h 40m1 stop
6:00 am - 10:46 amMIA-ONT
7h 46m1 stop
$1,022Delta
Find Deal
Fri, Dec 27 - Sun, Dec 29

Frontier flights from Ontario to Florida Keys

Our best Frontier deals on Ontario to Florida Keys flight tickets
Frontier
Feb 22
ONT8:09 pmOntario
11h 44m
1 stop
MIA10:53 amMiami
Feb 27
MIA1:29 pmMiami
8h 29m
1 stop
ONT6:58 pmOntario
Frontier
Jan 27
ONT10:40 amOntario
12h 14m
1 stop
MIA1:54 amMiami
Feb 1
MIA6:14 pmMiami
19h 13m
1 stop
ONT10:27 amOntario
Frontier
Jan 23
ONT8:11 pmOntario
26h 43m
1 stop
MIA1:54 amMiami
Feb 1
MIA6:14 pmMiami
19h 13m
1 stop
ONT10:27 amOntario

American Airlines flights from Ontario to Florida Keys

Our best American Airlines deals on Ontario to Florida Keys flight tickets
American Airlines
Jan 21
ONT6:10 amOntario
11h 06m
1 stop
MIA8:16 pmMiami
Jan 28
MIA7:15 amMiami
11h 14m
1 stop
ONT3:29 pmOntario
American Airlines
Jan 21
ONT12:48 pmOntario
8h 58m
2 stops
MIA12:46 amMiami
Jan 28
MIA8:35 pmMiami
15h 34m
1 stop
ONT9:09 amOntario
American Airlines
Jan 25
ONT10:56 amOntario
6h 19m
1 stop
MIA8:15 pmMiami
Feb 1
MIA9:19 amMiami
7h 32m
1 stop
ONT1:51 pmOntario

See travel insights to Florida Keys from

How to get the cheapest flight ticket from Ontario to Florida Keys

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 Florida Keys?

The month of September is another great option to travel to Florida Keys, with average flight prices from Ontario averaging around $316.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Ontario to Florida Keys is on a Wednesday when prices can be found for as low as $352. The most expensive day to fly to Florida Keys is Friday, with ticket prices averaging around $429.

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

According to our data, the cheapest time of day to fly to Florida Keys is in the afternoon. momondo users have found flights departing from Ontario to Florida Keys in the afternoon for as low as $326. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $396.

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Ontario when booking 27 days ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $396 when searching 27 days out. However, in the past 72 hours, people saw flights from Ontario for as low as $166.

Can stopping save me money on Ontario to Florida Keys flights?

You could potentially save up to 40% on your flight if you consider stops on a Ontario to Florida Keys flight.

Cheap Ontario to Florida Keys flight deals and tips

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

Best Price Found

$68

Fastest flight time

6h 19m

Direct flights

None

Airports in Florida Keys

2 airports
The best one-way flight to Florida Keys from Ontario in the past 72 hours is $68. The best round-trip flight deal from Ontario to Florida Keys found on momondo in the last 72 hours is $128.
The fastest flight from Ontario to Florida Keys takes 6h 19m
There are no direct flights from Ontario to Florida Keys. Popular non-direct route for this connection is Ontario Airport - Miami Airport.
There are 2 airports near Florida Keys: Key West (EYW), Miami (MIA)

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

    Prices for flights from Ontario Airport to Florida Keys refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Florida Keys.

  • What documentation or ID do you need to fly to Florida Keys?

    The required travel and health documents for your Florida Keys trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Florida Keys. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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


Best airlines flying from Ontario to Florida Keys

Compare and see reviews for airlines that fly from Ontario to Florida Keys with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $308Free CancellationRating
8.0
8,594 reviews
Search Delta flights
American AirlinesPriceFrom $393Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Florida Keys. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Florida Keys from Ontario with this policy.

How can momondo help me find flights from Ontario to Florida Keys?

momondo provides multiple filters to help you find the best flight to Florida Keys from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Ontario to Florida Keys flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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