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$106+ Cheap flights from Orlando (MCO) to Ontario (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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
MCO — ONT
May 17 — May 241
Sat 5/17
Sat 5/24
1 adult, Economy
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Find cheap flights from Orlando to Ontario with Cheapflights

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Cheapflights Tip: The best prices from Orlando to Ontario are usually found in July or October, booked 20 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Orlando to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Orlando (MCO) 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 May 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$203
(CheapOair)

One-way from

$106
(Frontier)

Popular in

February

Cheapest in

July

Average price

$364
Provider with most accurate pricing for Orlando-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Orlando-Ontario flights.
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From Orlando to Ontario
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One-way flight from Orlando to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Orlando to Ontario

Cheapest flights from Orlando to Ontario
Explore the most affordable flight options available from Orlando to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 12, 2025.

This CheapOair deal was found by Cheapflights users on 5/11. 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 5/176:00 amMCO - ONT
1 stop20h 59mFrontier
Tue 5/201:08 pmONT - MCO
1 stop15h 22mFrontier
Deal found 5/11$203
This Delta deal was found by Cheapflights users on 5/12. 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.
Tue 6/244:50 pmMCO - ONT
1 stop8h 35mDelta
Wed 7/911:50 amONT - MCO
1 stop7h 26mDelta
Deal found 5/12$267
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Tue 6/33:43 pmMCO - ONT
2 stops10h 02mUnited Airlines
Fri 6/66:32 pmONT - MCO
1 stop8h 04mUnited Airlines
Deal found 5/12$285
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:50 pmMCO - ONT
1 stop9h 03mMultiple Airlines
Fri 9/1912:59 amONT - MCO
1 stop11h 33mMultiple Airlines
Deal found 5/11$294
This Southwest deal was found by Cheapflights users on 5/12. 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.
Tue 8/510:45 amMCO - ONT
2 stops12h 25mSouthwest
Tue 8/1210:20 amONT - MCO
2 stops9h 10mSouthwest
Deal found 5/12$333
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/275:53 pmMCO - ONT
1 stop8h 50mAmerican Airlines
Wed 6/410:00 amONT - MCO
2 stops8h 49mAmerican Airlines
Deal found 5/12$352
This JetBlue deal was found by Cheapflights users on 5/12. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/112:20 pmMCO - ONT
1 stop9h 51mJetBlue
Sun 6/1511:59 pmONT - MCO
1 stop11h 54mJetBlue
Deal found 5/12$383
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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.
Thu 8/215:50 pmMCO - ONT
1 stop9h 03mAlaska Airlines
Sat 8/237:10 amONT - MCO
2 stops21h 34mAlaska Airlines
Deal found 5/12$393
This Hawaiian Airlines deal was found by Cheapflights users on 5/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/297:05 amMCO - ONT
1 stop11h 45mHawaiian Airlines
Mon 6/24:45 pmONT - MCO
1 stop11h 54mHawaiian Airlines
Deal found 5/12$407

Cheapflights Fare Finder

Customize your flight search to find flights from Orlando 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 May 12, 2025.
Use the filters below to find and compare flights from Orlando Airport to Ontario that are best for you.

Fly from

Orlando

Fly to

Ontario

Route

Depart

Return

Price

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sat 5/31

7:25 am-11:36 pm

1 stop19h 11m

Ontario

Tue 6/3

6:30 am-11:16 pm

1 stop13h 46m

$203

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 6/24

4:50 pm-10:25 pm

1 stop8h 35m

Ontario

Wed 7/9

11:50 am-10:16 pm

1 stop7h 26m

$267

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 6/3

3:43 pm-10:45 pm

2 stops10h 02m

Ontario

Fri 6/6

6:32 pm-5:36 am

1 stop8h 04m

$285

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Wed 9/17

5:50 pm-11:53 pm

1 stop9h 03m

Ontario

Fri 9/19

12:59 am-3:32 pm

1 stop11h 33m

$294

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 8/5

10:45 am-8:10 pm

2 stops12h 25m

Ontario

Tue 8/12

10:20 am-10:30 pm

2 stops9h 10m

$333

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Tue 5/27

5:53 pm-11:43 pm

1 stop8h 50m

Ontario

Wed 6/4

10:00 am-9:49 pm

2 stops8h 49m

$352

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Wed 6/11

2:20 pm-9:11 pm

1 stop9h 51m

Ontario

Sun 6/15

11:59 pm-2:53 pm

1 stop11h 54m

$383

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 8/21

5:50 pm-11:53 pm

1 stop9h 03m

Ontario

Sat 8/23

7:10 am-7:44 am

2 stops21h 34m

$393

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Thu 5/29

7:05 am-3:50 pm

1 stop11h 45m

Ontario

Mon 6/2

4:45 pm-7:39 am

1 stop11h 54m

$407

OrlandoOntario

MCO - ONT

MCOONT

Orlando

Sat 5/17

8:26 pm-7:24 am

1 stop13h 58m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 17 results
1
2

Compare providers for flights from Orlando 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 Orlando to Ontario in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Orlando Airport-Ontario flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Orlando Airport-Ontario flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Orlando Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Orlando Airport-Ontario flights, Cheapflights users trust CheapOair the most. CheapOair 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 Orlando Airport-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 Orlando to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Orlando 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 Orlando Airport to Ontario

How far ahead should I book a flight from Orlando Airport to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Orlando to Ontario. Price data was last updated on May 9, 2025.

The price you pay for your flight from Orlando Airport to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 20 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Orlando Airport to Ontario?

Currently, August is the cheapest month in which you can book a flight from Orlando Airport to Ontario (average of $246). Flying from Orlando Airport to Ontario in March is currently the most expensive (average of $328). 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 MCO to ONT?

Find hourly flight availability from Orlando 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 May 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 46% on flights from Orlando Airport to Ontario by exploring options for tickets in the evening.

What is the cheapest day to fly from Orlando Airport to Ontario?

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

Travelers seeking maximum savings on their Orlando Airport to Ontario flight should consider departing on Saturday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 May 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Orlando to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,431 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Orlando 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 into for flights to Ontario from Orlando?

    If you book a flight to Ontario from Orlando, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Orlando to Ontario per day from 5 different airlines.

  • What are the cheapest airlines flying from Orlando Airport to Ontario round-trip?

    According to our current data, Frontier ($203), Delta ($267), and United Airlines ($285) offers the cheapest pricing from Orlando Airport to Ontario. These flights start at 40% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Orlando Airport to Ontario one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $106. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Orlando Airport to Ontario for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Orlando 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 Orlando Airport to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Orlando Airport to Ontario (average of $246). Flying from Orlando Airport to Ontario in March is currently the most expensive (average of $328). 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 Orlando to Ontario

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Top 5 airlines flying from Orlando to Ontario

Discover the top 5 airlines that operate flights from Orlando 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$237FlexibilityNo cancel feeOn-time62%
DeltaCheapest$202Average$516FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$326Average$416FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$416FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$347Average$506FlexibilityNo cancel feeOn-time69%

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