Cheap flights from Ontario to Miami (ONT - MIA) from $93

This is the cheapest one-way flight price, found on 5/31. Prices may vary by date and flight preferences.
ONT — MIA
Jun 6 — Jun 131
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The best prices from Ontario to Miami are usually found in November or January, booked 22 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

How to find the cheapest flight from Ontario (ONT) to Miami (MIA)

All the information you need to plan the best ONT to MIA flight in 2023: compare Ontario to Miami flight prices with the expected peak season, weather and rainfall in Miami.

Popular in

July

Cheapest in

November

Round-trip from

$215

One-way from

$100
High demand for flights, 36% potential price rise
Best time to find cheap flights, 25% potential price drop
From Ontario to Miami
One-way flight from Ontario to Miami

ONT - MIA

Price

$215 - $500

MIA

Temperature

68 - 84.2 °F

MIA

Rainfall

1.6 - 9.9 inches

Cheap flights from Ontario to Miami in June, July 2023

The best prices found for ONT to MIA flights for June, July
The lowest fares we've come across on flights traveling from Ontario to Miami in June and July 2023. More deals are always being added, so be sure to check back regularly.

Ontario to Miami 2023 flight deals

Cheap flights to Miami from Ontario found for this year
The lowest fares we've come across on flights traveling from Ontario to Miami in June and July 2023. More deals are always being added, so be sure to check back regularly.

Cheap Delta flights from Ontario to Miami

Take a look at some of the lowest-priced Delta flights heading from Ontario to Miami. Be sure to come back soon if the deals available don't appeal to you at this time.

Cheap Frontier flights from Ontario to Miami

Have a look at some of the cheapest available Frontier flights departing from Ontario and landing in Miami. Make sure to examine the flight information before completing your reservation.

Last minute flights from Ontario to Miami

Late deals on return flights to Miami from Ontario, departing today and this week
Consider one of these great deals we found on last-minute flights from Ontario to Miami. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Miami from Ontario

The cheapest one-way flights from Ontario to Miami
Take a look at some of the one-way flights we've detected from Ontario to Miami. For those needing a return trip from Ontario, there is a search form available above.

Find flights from Ontario to Miami within your budget

Use the slider to find flights from Ontario to Miami that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$208 - $269

Route

Depart

Return

Price

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Sat 7/8

1 stop10h 39m

Miami

Tue 7/11

1 stop11h 14m

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 7/11

1 stop12h 26m

Miami

Tue 7/18

2 stops14h 34m

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Wed 6/14

1 stop28h 30m

Miami

Wed 6/21

1 stop22h 30m

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Wed 6/28

1 stop24h 33m

Miami

Wed 7/5

1 stop11h 50m

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Sun 6/18

1 stop28h 27m

Miami

Thu 6/22

1 stop22h 08m

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Tue 6/27

1 stop11h 30m

Miami

Tue 7/4

1 stop20h 59m

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Sat 9/2

1 stop8h 21m

Miami

Sat 9/9

1 stop7h 53m

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Sat 10/28

1 stop7h 16m

Miami

Tue 10/31

1 stop9h 35m

OntarioMiami

ONT - MIA

ONTMIA

Ontario

Sat 10/28

2 stops11h 41m

Miami

Tue 10/31

1 stop7h 56m

Flights are sorted by cheapest first

Deals found on 5/31

Reviews of Airlines Servicing Miami

Peruse reviews from past customers who have flown with Delta, Frontier and American Airlines from Ontario to Miami to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,370 reviews

Food

7.2

Overall

8.0

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 10

Delta has to be one of the best airlines that I fly. The crew is very friendly. The planes are clean. I enjoy flying with Delta.

Delta
8.0
Very good
2,370 reviews
Delta
8.0
Very good
2,370 reviews

Food

7.2

Overall

8.0

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 10

Delta has to be one of the best airlines that I fly. The crew is very friendly. The planes are clean. I enjoy flying with Delta.

United Airlines
7.6
Good
1,531 reviews
Delta
8.0
Very good
2,370 reviews

Food

7.2

Overall

8.0

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 10

Delta has to be one of the best airlines that I fly. The crew is very friendly. The planes are clean. I enjoy flying with Delta.

JetBlue
7.5
Good
608 reviews
Delta
8.0
Very good
2,370 reviews

Food

7.2

Overall

8.0

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 10

Delta has to be one of the best airlines that I fly. The crew is very friendly. The planes are clean. I enjoy flying with Delta.

American Airlines
7.3
Good
2,149 reviews
Delta
8.0
Very good
2,370 reviews

Food

7.2

Overall

8.0

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 10

Delta has to be one of the best airlines that I fly. The crew is very friendly. The planes are clean. I enjoy flying with Delta.

Frontier
5.9
Fair
669 reviews
Delta
8.0
Very good
2,370 reviews

Food

7.2

Overall

8.0

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Reviews

1 / 10

Delta has to be one of the best airlines that I fly. The crew is very friendly. The planes are clean. I enjoy flying with Delta.

Related info for your journey

Useful info, stats and facts about Ontario to Miami flights.

Alternative routes for Ontario to Miami

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Ontario to Miami

The chart below displays the airlines Cheapflights users traveling from Ontario to Miami choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Spirit AirlinesCheapest$152Average$235FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
JetBlueCheapest$161Average$357FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
FrontierCheapest$164Average$230FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$164Average$599FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Alaska AirlinesCheapest$189Average$496FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
DeltaCheapest$257Average$508FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$287Average$592FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
Linear Air TaxiCheapest$33,474Average$41,840FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Linear Air Taxi flights