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$123+ Cheap flights from Miami (MIA) to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — YYZ
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Miami to Ontario

Keep the following information in mind while searching for Miami to Ontario flight deals. Data was last updated October 28, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$283
(Kiwi.com)

One-way from

$123
(Air Canada)

Popular in

July

Cheapest in

February

Average price

$350

Good round-trip deal

$404 or less

Good one-way deal

$127 or less
Provider with most accurate pricing for Miami-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Miami-Toronto (YTO) flights.
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From Miami to Ontario
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One-way flight from Miami to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Miami to Ontario.
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Price to beat on a one-way flight from Miami to Ontario.
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Find flight deals from Miami to Ontario

Cheapest flights from Miami to Ontario
Explore the most affordable flight options available from Miami to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:05 pmMIA - YYZ
Nonstop3h 21mMultiple Airlines
Fri 11/219:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 10/27$295
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:05 pmMIA - YYZ
Nonstop3h 21mMultiple Airlines
Sat 11/229:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 10/28$297
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Sun 1/49:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 10/28$300
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:10 pmMIA - YYZ
Nonstop3h 20mPorter Airlines
Wed 12/319:40 amYYZ - MIA
Nonstop3h 29mPorter Airlines
Deal found 10/27$303
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:05 pmMIA - YYZ
Nonstop3h 21mAir Canada
Wed 10/298:00 amYYZ - MIA
Nonstop3h 25mAir Canada
Deal found 10/27$306
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:05 pmMIA - YYZ
Nonstop3h 21mAir Canada
Thu 11/2011:55 amYYZ - MIA
Nonstop3h 26mAir Canada
Deal found 10/28$310
This Trip.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/282:10 pmMIA - YYZ
Nonstop3h 20mAir Transat
Mon 12/19:40 amYYZ - MIA
Nonstop3h 29mAir Transat
Deal found 10/26$311
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:02 pmMIA - YTZ
1 stop5h 53mMultiple Airlines
Thu 11/207:00 amYTZ - MIA
2 stops16h 44mMultiple Airlines
Deal found 10/27$313
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:40 pmMIA - YOW
1 stop14h 55mMultiple Airlines
Wed 12/33:55 pmYOW - MIA
1 stop5h 36mMultiple Airlines
Deal found 10/28$316
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/32:10 pmMIA - YYZ
Nonstop3h 20mAir Transat
Mon 11/109:40 amYYZ - MIA
Nonstop3h 29mAir Transat
Deal found 10/27$317
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:30 amMIA - YYZ
2 stops17h 50mMultiple Airlines
Tue 12/309:40 amYYZ - MIA
Nonstop3h 29mMultiple Airlines
Deal found 10/26$318
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:21 amMIA - YUL
1 stop8h 04mMultiple Airlines
Wed 12/104:00 pmYUL - MIA
2 stops27h 47mMultiple Airlines
Deal found 10/28$318

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Miami to Ontario that are best for you.

Fly from

Miami

Fly to

Ontario

Route

Depart

Return

Price

MiamiOttawa

MIA - YOW

MIAYOW

Miami

Thu 11/27

9:40 pm-12:35 pm

1 stop14h 55m

Ottawa

Wed 12/3

3:55 pm-9:31 pm

1 stop5h 36m

$316

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 11/13

7:20 am-6:57 pm

1 stop11h 37m

Toronto Island

Thu 11/20

3:00 pm-11:44 pm

1 stop8h 44m

$323

MiamiMontreal

MIA - YUL

MIAYUL

Miami

Thu 12/4

8:21 am-4:25 pm

1 stop8h 04m

Montreal Pierre Elliott Trudeau Intl

Wed 12/10

5:10 pm-7:47 pm

1 stop26h 37m

$324

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 11/13

10:15 pm-10:35 am

1 stop12h 20m

Toronto Island

Fri 11/21

7:40 pm-9:16 am

1 stop13h 36m

$325

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 11/13

5:01 am-6:57 pm

2 stops13h 56m

Toronto Island

Sat 11/22

6:15 pm-9:16 am

1 stop15h 01m

$330

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Thu 12/4

8:53 pm-8:20 am

1 stop11h 27m

Toronto Island

Sat 12/6

11:00 am-7:09 pm

1 stop8h 09m

$334

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Sat 12/6

8:53 pm-10:35 am

1 stop13h 42m

Toronto Island

Tue 12/9

7:45 am-3:03 pm

1 stop7h 18m

$339

MiamiToronto

MIA - YYZ

MIAYYZ

Miami

Thu 12/25

2:10 pm-5:30 pm

Nonstop3h 20m

Toronto Pearson Intl

Mon 1/5

9:40 am-1:09 pm

Nonstop3h 29m

$344

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Tue 11/25

12:41 pm-6:55 pm

1 stop6h 14m

Toronto Island

Tue 12/2

7:40 pm-9:31 pm

1 stop25h 51m

$352

MiamiToronto

MIA - YTZ

MIAYTZ

Miami

Fri 11/21

9:40 pm-11:40 am

1 stop14h 00m

Toronto Island

Mon 11/24

8:55 am-3:30 pm

1 stop6h 35m

$357

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 60 results
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Best time to book a flight from Miami to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Miami with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Miami to Ontario

What is the cheapest month to book a flight from Miami to Region of Ontario?

Currently, December is the cheapest month in which you can book a flight from Miami to Region of Ontario (average of $57). Flying from Miami to Region of Ontario in August is currently the most expensive (average of $107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MIA to ON?

Find hourly flight availability from Miami to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 66% on flights from Miami to Region of Ontario by exploring options for tickets in the evening.

What is the cheapest day to fly from Miami to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Miami to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Miami to Region of Ontario flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated October 28, 2025.
See what other customers who have flown with Porter Airlines, Delta, and American Airlines from Miami to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Delta
7.9
Good
7,994 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
American Airlines
7.2
Good
11,032 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,371 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Flair Airlines
6.0
Okay
251 reviews
Porter Airlines
8.0
Very good
384 reviews

Comfort

8.0

Entertainment

7.0

Overall

8.0

Crew

8.6

Food

7.6

Boarding

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Miami to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Miami to Ontario?

    If you book a flight to Ontario from Miami, you will be flying from Miami, which is the city’s only airport. Miami (MIA) is located 6.1 mi from the center of Miami.

  • How long is the flight from Miami to Region of Ontario?

    There are many flights that can get you from Miami to Region of Ontario in 3h 20m. Fly via Delta, Porter Airlines, or Air Canada to get the fastest option. The distance between Miami and Region of Ontario is about 1235 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Miami to Region of Ontario one-way?

    $148 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on Porter Airlines and Air Canada, with prices starting from $161 and $175, respectively.

  • What are the most popular routes from Miami to Region of Ontario?

    The most popular flight routes from Miami to Region of Ontario are Miami - Montreal Pierre Elliott Trudeau Intl, Miami - Toronto Pearson Intl and Miami - Toronto Island.

  • What are the most reliable airlines from Miami to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from Miami to Region of Ontario consider choosing Air Canada Rouge (83%), Brussels Airlines (79%) or American Airlines (72%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Miami to Region of Ontario?

    While on average a flight from Miami to Region of Ontario is generally $519, our data shows the cheapest flight currently is $96. When looking at the most popular route, (Miami - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $334 for that flight.

  • Can I find deals for flights from Miami to Ontario that include hotel bookings?

    Yes. In addition to deals on Miami to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Miami to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Miami to Ontario.

  • Can I find deals for business class flights from Miami to Ontario?

    Yes. Cheapflights offers flight deals from Miami to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Miami to Region of Ontario?

    Currently, December is the cheapest month in which you can book a flight from Miami to Region of Ontario (average of $57). Flying from Miami to Region of Ontario in August is currently the most expensive (average of $107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Miami to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Miami to Ontario

Discover the top 6 airlines that operate flights from Miami to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Flair AirlinesCheapest$32Average$159FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$105Average$379FlexibilityNo cancel feeOn-time60%
Porter AirlinesCheapest$108Average$300FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$130Average$506FlexibilityNo cancel feeOn-time67%
DeltaCheapest$134Average$420FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$276Average$412FlexibilityNo cancel feeOn-time71%

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