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Cheap flights from Ontario to Florida Keys from $70

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 5/20. 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 from Ontario to Florida Keys

The cheapest plane tickets from Ontario to Florida Keys found on KAYAK recently.
8:09 pm - 10:53 amONT-MIA
11h 44m1 stop
8:00 am - 5:58 pmMIA-ONT
12h 58m1 stop
$130Frontier
Find Deal
Sat, Feb 22 - Wed, Mar 5
12:59 am - 5:21 amONT-MIA
25h 22m1 stop
6:00 am - 11:20 amMIA-ONT
8h 20m1 stop
$140Frontier
Find Deal
Mon, Apr 7 - Tue, Apr 29
6:45 am - 1:36 amONT-MIA
15h 51m1 stop
5:42 pm - 1:43 pmMIA-ONT
23h 01m1 stop
$144Frontier
Find Deal
Sat, Feb 8 - Thu, Feb 13
10:40 pm - 1:06 pmONT-MIA
11h 26m1 stop
2:01 pm - 9:22 pmMIA-ONT
10h 21m1 stop
$271JetBlue
Find Deal
Fri, May 23 - Sun, Jun 1
1:00 pm - 12:51 amONT-MIA
8h 51m1 stop
6:10 pm - 10:52 pmMIA-ONT
7h 42m1 stop
$287Delta
Find Deal
Wed, Feb 5 - Thu, Feb 6
10:50 pm - 12:06 pmONT-EYW
10h 16m1 stop
2:41 pm - 10:16 pmEYW-ONT
10h 35m1 stop
$309American Airlines
Find Deal
Mon, Feb 24 - Wed, Mar 5
2:45 pm - 12:35 amONT-MIA
6h 50m1 stop
5:18 am - 9:56 amMIA-ONT
7h 38m1 stop
$327American Airlines
Find Deal
Thu, Feb 6 - Mon, Feb 10
1:05 pm - 12:51 amONT-MIA
8h 46m1 stop
6:00 am - 11:55 amMIA-ONT
8h 55m1 stop
$343Delta
Find Deal
Sun, Feb 23 - Tue, Feb 25
5:05 am - 9:41 pmONT-MIA
13h 36m2 stops
4:52 pm - 9:59 pmMIA-ONT
8h 07m1 stop
$397United Airlines
Find Deal
Sat, Feb 22 - Wed, Mar 5
6:00 am - 4:09 pmONT-EYW
7h 09m1 stop
4:50 pm - 9:59 pmEYW-ONT
8h 09m1 stop
$469United Airlines
Find Deal
Sat, Feb 15 - Sat, Feb 22
12:16 pm - 5:22 amONT-MIA
14h 06m1 stop
$70Frontier
Find Deal
Tue, May 20
8:09 pm - 10:53 amONT-MIA
11h 44m1 stop
$71Frontier
Find Deal
Sat, Feb 22
7:05 am - 7:03 pmONT-MIA
8h 58m1 stop
$145Delta
Find Deal
Tue, Feb 11
10:40 pm - 1:06 pmONT-MIA
11h 26m1 stop
$169JetBlue
Find Deal
Fri, May 2
1:05 pm - 12:51 amONT-MIA
8h 46m1 stop
$174Delta
Find Deal
Sun, Feb 16
4:25 pm - 5:06 amONT-MIA
9h 41m1 stop
$187American Airlines
Find Deal
Tue, Mar 4
12:48 pm - 10:57 pmONT-MIA
7h 09m1 stop
$193American Airlines
Find Deal
Mon, Feb 3
5:05 am - 7:56 pmONT-MIA
11h 51m2 stops
$218United Airlines
Find Deal
Fri, Feb 28
1:40 pm - 11:59 pmONT-MIA
7h 19m1 stop
$224United Airlines
Find Deal
Sat, Mar 8
10:40 pm - 1:06 pmONT-MIA
11h 26m1 stop
$231JetBlue
Find Deal
Tue, May 27
8:11 pm - 1:54 amONT-MIA
26h 43m1 stop
6:00 am - 9:40 amMIA-ONT
30h 40m1 stop
$196Frontier
Find Deal
Thu, Jan 23 - Thu, Jan 30
8:11 pm - 1:54 amONT-MIA
26h 43m1 stop
6:00 am - 11:47 pmMIA-ONT
20h 47m1 stop
$199Frontier
Find Deal
Thu, Jan 23 - Sat, Jan 25
7:45 am - 11:22 pmONT-MIA
12h 37m1 stop
7:15 pm - 10:38 amMIA-ONT
18h 23m2 stops
Wed, Jan 22 - Wed, Feb 5
6:00 am - 4:01 pmONT-EYW
7h 01m1 stop
10:55 am - 8:51 pmEYW-ONT
12h 56m2 stops
$644United Airlines
Find Deal
Thu, Jan 23 - Sat, Jan 25
6:00 am - 4:01 pmONT-EYW
7h 01m1 stop
4:50 pm - 9:57 pmEYW-ONT
8h 07m1 stop
$694United Airlines
Find Deal
Thu, Jan 23 - Sat, Jan 25
7:00 am - 6:15 pmONT-MIA
32h 15m1 stop
7:15 pm - 11:58 pmMIA-ONT
31h 43m1 stop
$695Alaska Airlines
Find Deal
Sun, Jan 26 - Tue, Feb 11
5:10 pm - 10:53 amONT-MIA
14h 43m2 stops
11:33 am - 10:52 pmMIA-ONT
14h 19m2 stops
$737Delta
Find Deal
Wed, Jan 22 - Wed, Feb 5
6:00 am - 10:22 pmONT-MIA
13h 22m2 stops
6:00 am - 5:28 pmMIA-ONT
14h 28m1 stop
Wed, Jan 22 - Mon, Jan 27
6:39 pm - 4:55 pmONT-MIA
19h 16m2 stops
7:15 pm - 10:34 amMIA-ONT
18h 19m1 stop
$808Alaska Airlines
Find Deal
Sun, Jan 26 - Fri, Jan 31
1:00 pm - 12:51 amONT-MIA
8h 51m1 stop
12:00 pm - 11:25 pmMIA-ONT
14h 25m2 stops
$1,318Delta
Find Deal
Sat, Jan 25 - Sat, Feb 1

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
Mar 5
MIA8:00 amMiami
12h 58m
1 stop
ONT5:58 pmOntario
Frontier
Apr 7
ONT12:59 amOntario
25h 22m
1 stop
MIA5:21 amMiami
Apr 29
MIA6:00 amMiami
8h 20m
1 stop
ONT11:20 amOntario
Frontier
Feb 8
ONT6:45 amOntario
15h 51m
1 stop
MIA1:36 amMiami
Feb 13
MIA5:42 pmMiami
23h 01m
1 stop
ONT1:43 pmOntario

United Airlines flights from Ontario to Florida Keys

Our best United Airlines deals on Ontario to Florida Keys flight tickets
United Airlines
Feb 4
ONT6:00 amOntario
6h 47m
1 stop
MIA3:47 pmMiami
Feb 11
MIA3:47 pmMiami
8h 04m
1 stop
ONT8:51 pmOntario
United Airlines
Feb 22
ONT5:05 amOntario
13h 36m
2 stops
MIA9:41 pmMiami
Mar 5
MIA4:52 pmMiami
8h 07m
1 stop
ONT9:59 pmOntario
United Airlines
Feb 2
ONT6:15 amOntario
22h 28m
1 stop
MIA7:43 amMiami
Feb 5
MIA4:53 pmMiami
8h 04m
1 stop
ONT9:57 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 August is another great option to travel to Florida Keys, with average flight prices from Ontario averaging around $307.

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 4 weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $401 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Ontario for as low as $306 on momondo.

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

$70

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 $70. The best round-trip flight deal from Ontario to Florida Keys found on momondo in the last 72 hours is $130.
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
8,521 reviews
Search Delta flights
American AirlinesPriceFrom $382Free 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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