$132+ Cheap flights from Miami to Ontario (MIA - ONT)
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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ONT
Sep 30 — Oct 71
Round-trip
1 adult, Economy
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Find cheap flights from Miami to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Miami to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Miami to OntarioExplore 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 August 31, 2026.
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 August 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/27. 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.
Thu 10/111:25 am -
1 stop9h 23m
Tue 10/611:45 am -
2 stops19h 45m
Deal found 8/27![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 8/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:50 am -
1 stop7h 40m
Sat 10/311:45 am -
1 stop10h 01m
Deal found 8/26![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 8/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:50 am -
1 stop7h 40m
Sat 9/2611:45 am -
1 stop10h 01m
Deal found 8/27![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/245:50 am -
2 stops16h 46m
Thu 10/16:45 pm -
1 stop20h 14m
Deal found 8/26![Frontier logo]()
$286
This CheapOair deal was found by Cheapflights users on 8/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:50 am -
1 stop7h 40m
Mon 9/286:45 pm -
1 stop20h 14m
Deal found 8/27![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 8/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:50 am -
1 stop7h 39m
Wed 10/2111:52 am -
1 stop9h 55m
Deal found 8/30![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 8/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:50 am -
1 stop7h 40m
Tue 10/611:45 am -
1 stop10h 01m
Deal found 8/31![Frontier logo]()
$294
This Frontier deal was found by Cheapflights users on 8/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:25 am -
1 stop9h 23m
Wed 10/711:45 am -
1 stop10h 01m
Deal found 8/28![Frontier logo]()
$296
This Frontier deal was found by Cheapflights users on 8/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:50 am -
1 stop7h 40m
Wed 10/711:45 am -
1 stop10h 01m
Deal found 8/28![Frontier logo]()
$298
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:50 am -
1 stop7h 40m
Sun 9/276:15 am -
1 stop15h 31m
Deal found 8/26![Frontier logo]()
$308
Best flights from Miami to OntarioDiscover carefully curated flight deals from Miami to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
Discover carefully curated flight deals from Miami to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 31, 2026.
This Southwest deal was found by Cheapflights users on 8/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:30 am -
1 stop10h 05m
Wed 10/216:10 am -
2 stops7h 45m
Deal found 8/30![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:01 pm -
1 stop7h 58m
Wed 9/235:00 am -
1 stop7h 56m
Deal found 8/26![United Airlines logo]()
$508
This Delta deal was found by Cheapflights users on 8/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:05 pm -
1 stop9h 25m
Mon 9/1410:00 pm -
1 stop9h 58m
Deal found 8/27![Delta logo]()
$547
This Alaska Airlines deal was found by Cheapflights users on 8/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:30 pm -
2 stops21h 47m
Sun 10/116:02 am -
1 stop32h 13m
Deal found 8/30![Alaska Airlines logo]()
$560
This Southwest deal was found by Cheapflights users on 8/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:40 pm -
2 stops8h 10m
Tue 10/66:10 am -
2 stops7h 45m
Deal found 8/27![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:01 pm -
1 stop7h 58m
Sat 9/195:00 am -
2 stops14h 34m
Deal found 8/27![United Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 8/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:20 am -
2 stops10h 40m
Sun 9/138:30 pm -
2 stops11h 55m
Deal found 8/28![Southwest logo]()
$496
This United Airlines deal was found by Cheapflights users on 8/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:52 pm -
1 stop8h 01m
Sat 9/126:08 am -
1 stop8h 27m
Deal found 8/26![United Airlines logo]()
$523
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:30 am -
1 stop8h 03m
Sun 11/86:00 am -
1 stop9h 20m
Deal found 8/29![United Airlines logo]()
$567
Last-minute flights from Miami to OntarioDiscover last-minute flight deals from Miami to Ontario. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Miami to Ontario. Data last updated August 31, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:50 am -
1 stop7h 40m
Thu 9/2411:45 am -
1 stop10h 01m
Deal found 8/26![Frontier logo]()
$296
This Frontier deal was found by Cheapflights users on 8/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:50 am -
1 stop7h 40m
Sat 9/2611:45 am -
1 stop10h 01m
Deal found 8/27![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/245:50 am -
2 stops16h 46m
Thu 10/16:45 pm -
1 stop20h 14m
Deal found 8/26![Frontier logo]()
$286
This CheapOair deal was found by Cheapflights users on 8/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:50 am -
1 stop7h 40m
Mon 9/286:45 pm -
1 stop20h 14m
Deal found 8/27![Frontier logo]()
$288
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:50 am -
1 stop7h 40m
Sun 9/276:15 am -
1 stop15h 31m
Deal found 8/26![Frontier logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Fri 9/2511:25 am -
1 stop9h 23m
Mon 9/286:45 pm -
1 stop20h 14m
Deal found 8/26![Frontier logo]()
$281
This Frontier deal was found by Cheapflights users on 8/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:50 am -
1 stop7h 40m
Wed 10/711:45 am -
1 stop10h 01m
Deal found 8/28![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 8/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:50 am -
1 stop7h 40m
Sat 10/311:45 am -
1 stop10h 01m
Deal found 8/26![Frontier logo]()
$278
This Booking.com deal was found by Cheapflights users on 8/30. 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.
Tue 9/295:50 am -
1 stop20h 57m
Thu 10/111:45 am -
1 stop10h 01m
Deal found 8/30![Frontier logo]()
$312
This Frontier deal was found by Cheapflights users on 8/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:50 am -
1 stop7h 40m
Tue 10/611:45 am -
1 stop10h 01m
Deal found 8/31![Frontier logo]()
$294
One-way flights from Miami to OntarioSearch for one-way flight options from Miami to Ontario. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
Search for one-way flight options from Miami to Ontario. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Trip.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/2411:25 am -
1 stop9h 23m
Deal found 8/26![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 8/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:25 am -
1 stop9h 23m
Deal found 8/27![Frontier logo]()
$139
This Trip.com deal was found by Cheapflights users on 8/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:55 am -
1 stop20h 52m
Deal found 8/28![Frontier logo]()
$140
This Trip.com deal was found by Cheapflights users on 8/27. 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.
Fri 9/2511:25 am -
1 stop9h 23m
Deal found 8/27![Frontier logo]()
$142
This Super.com deal was found by Cheapflights users on 8/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:50 am -
1 stop7h 40m
Deal found 8/29![Frontier logo]()
$145
This CheapOair deal was found by Cheapflights users on 8/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:50 am -
1 stop21h 01m
Deal found 8/26![Frontier logo]()
$146
This Frontier deal was found by Cheapflights users on 8/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:55 am -
1 stop7h 35m
Deal found 8/28![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 8/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:50 am -
1 stop7h 45m
Deal found 8/29![Frontier logo]()
$148
Find flight deals from Miami to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (Kiwi.com) |
One-way from | $132 (Trip.com) |
Popular in | August |
Cheapest in | June |
Average price | $576 |
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 7,457,451 searches. Data last updated August 31, 2026.
Use the filters below to find and compare flights from Miami to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Wed 10/14
11:30 am-6:35 pm
1 stop10h 05m
Ontario
Wed 10/21
6:10 am-4:55 pm
2 stops7h 45m
$402
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Thu 10/1
6:40 pm-11:50 pm
2 stops8h 10m
Ontario
Tue 10/6
6:10 am-4:55 pm
2 stops7h 45m
$407
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Fri 9/11
6:20 am-2:00 pm
2 stops10h 40m
Ontario
Sun 9/13
8:30 pm-11:25 am
2 stops11h 55m
$496
Quickest round-trip
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Thu 9/17
5:01 pm-9:59 pm
1 stop7h 58m
Ontario
Wed 9/23
5:00 am-3:56 pm
1 stop7h 56m
$508
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Sat 9/12
5:01 pm-9:59 pm
1 stop7h 58m
Ontario
Sat 9/19
5:00 am-10:34 pm
2 stops14h 34m
$520
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Wed 9/9
3:52 pm-8:53 pm
1 stop8h 01m
Ontario
Sat 9/12
6:08 am-5:35 pm
1 stop8h 27m
$523
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Thu 9/3
12:05 pm-6:30 pm
1 stop9h 25m
Ontario
Mon 9/14
10:00 pm-10:58 am
1 stop9h 58m
$547
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Fri 10/9
3:30 pm-10:17 am
2 stops21h 47m
Ontario
Sun 10/11
6:02 am-5:15 pm
1 stop32h 13m
$560
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Sun 11/1
7:30 am-12:33 pm
1 stop8h 03m
Ontario
Sun 11/8
6:00 am-6:20 pm
1 stop9h 20m
$567
Cheapest one-way
MiamiOntario
MIA Miami - ONT Ontario
MIAONT
Miami
Sat 10/17
6:04 am-11:06 am
1 stop8h 02m
$199
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Miami to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Miami to Ontario in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Miami-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Miami-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Miami-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Miami-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Miami-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
MIA-ONT
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
Prices
Delays
What is the cheapest month to book a flight from Miami to Ontario?
Currently, June is the cheapest month in which you can book a flight from Miami to Ontario (average of $341). Flying from Miami to Ontario in August is currently the most expensive (average of $576). 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.
How much does it cost to fly round-trip from Miami to Ontario?
Airfare is below average for this route at the moment.
Miami to Ontario flights typically cost between $298 and $416 in October.The cheapest round-trip price found within the last 5 days was $250 on Frontier (Oct 1-Oct 6).
How often are flights from Miami to Ontario delayed?
About 0% of weekly flights between Miami and Ontario have experienced delays in the past year, with the average delay time being 0 minutes.
What is the most punctual flight time for Miami to Ontario flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
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 August 31, 2026.
Read reviews from past customers who have flown Southwest,Delta, andAmerican Airlines from Miami to Ontario. 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.
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
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Alternative routes for Miami to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Miami to Ontario by cabin class
Find flights from Miami to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Miami and Ontario flights
Browse other Miami and Ontario flight options. Last updated on August 31, 2026.
Other flights from Miami
Browse through other flights departing from Miami. Flights are based on user searches made on Cheapflights and were last updated on August 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Miami to Ontario
Discover the top 4 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 7,457,451 searches. Data last updated August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$298 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$326 | Average$508 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$341 | Average$478 | FlexibilityNo cancel fee | On-timeN/A |