Ontario

$71+ Cheap flights from Orlando (MCO) to Ontario (ONT)

MCO — ONT
Nov 29 — Dec 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Orlando 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 Orlando to Ontario

Cheapest flights from Orlando to Ontario

Mon 12/77:02 pm -
1 stop8h 18m
Sat 12/126:00 am -
1 stop7h 14m
Deal found 10/27$147
Tue 12/87:02 pm -
1 stop18h 43m
Sat 12/126:00 am -
1 stop7h 14m
Deal found 10/28$149
Wed 12/28:10 am -
2 stops13h 01m
Sat 12/56:00 am -
1 stop20h 29m
Deal found 10/28$152
Tue 12/87:30 am -
1 stop17h 47m
Wed 12/911:30 am -
1 stop14h 59m
Deal found 10/28$154
Wed 11/185:55 am -
1 stop7h 40m
Tue 11/247:30 am -
1 stop21h 55m
Deal found 10/27$155
Mon 12/77:30 am -
1 stop30h 15m
Thu 12/1011:30 am -
1 stop14h 59m
Deal found 10/28$157
Sat 11/2111:31 am -
2 stops23h 59m
Tue 11/247:30 am -
1 stop21h 55m
Deal found 10/27$168

Find flight deals from Orlando to Ontario

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$147
(Booking.com)

One-way from

$71
(Super.com)

Popular in

March

Cheapest in

January

Average price

$350
Provider with most accurate pricing for Orlando-Ontario flight deals.
Provider most trusted by Cheapflights users for Orlando-Ontario flights.
From Orlando to Ontario
One-way flight from Orlando to Ontario
Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Orlando Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Wed 12/9

6:15 am-11:51 am

1 stop8h 36m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$103

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Tue 11/24

1:14 pm-7:20 am

2 stops21h 06m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$133

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Tue 12/8

7:02 pm-10:45 am

1 stop18h 43m

Ontario

Sat 12/12

11:30 am-5:29 am

1 stop14h 59m

$194

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Thu 1/7

3:49 pm-12:15 am

2 stops11h 26m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$216

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Tue 4/27

11:20 am-8:20 pm

2 stops12h 00m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$282

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Sat 4/10

7:05 am-5:47 pm

2 stops13h 42m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$282

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Tue 12/22

6:18 pm-7:07 am

1 stop15h 49m

Ontario

Fri 12/25

10:48 pm-6:49 am

1 stop29h 01m

$283

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Sat 11/21

10:39 pm-5:23 pm

1 stop21h 44m

Ontario

Mon 11/23

6:45 am-12:50 am

2 stops15h 05m

$283

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Mon 12/21

7:20 pm-8:01 am

2 stops15h 41m

Ontario

Mon 12/28

9:37 pm-4:30 pm

2 stops15h 53m

$299

OrlandoOntario

MCO Orlando - ONT Ontario

MCOONT

Orlando

Wed 12/16

6:00 am-4:05 pm

2 stops13h 05m

Ontario

Wed 12/31

12:00 am-3:00 am

Nonstop0h 00m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Orlando to Ontario

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Orlando to Ontario in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Orlando Airport-Ontario flight deals on Cheapflights vs. FlightHub >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 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 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

Cheapflights Insights

Everything you need to know about your flight from Orlando Airport to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Orlando Airport to Ontario (average of $225). Flying from Orlando Airport to Ontario in March is currently the most expensive (average of $457). 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 Orlando Airport to Ontario?

Airfare is below average for this route at the moment.

Orlando Airport to Ontario flights typically cost between $278 and $392 in December.
The cheapest round-trip price found within the last 5 days was $147 on Frontier (Dec 7-Dec 12).

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Southwest,Delta, andAmerican Airlines from Orlando Airport 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.

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.4

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.4

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.4

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.4

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.4

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Edward,Sep 2026

MCO - BWI

Changed flight which was easy. Gate Agent booked me from extra leg room seat on original flight to row 15 on new flight that did not have extra leg room - even though it was an exit row. The row in front of me with extra leg room had an empty seat.

Related info for your journey

  • 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 4 different airlines.

  • How long is the flight from Orlando Airport to Ontario?

    Airlines like Frontier fly from Orlando Airport to Ontario in about 18h 43m. The time it takes to get you to your destination can typically vary by up to . The distance from Orlando Airport to Ontario is about 2166 mi.

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

    According to our current data, Frontier ($170), Delta ($204), and Southwest ($341) offers the cheapest pricing from Orlando Airport to Ontario. These flights start at 54% 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 $88. However, be on the lookout for offers from United Airlines and Southwest, 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, January is the cheapest month in which you can book a flight from Orlando Airport to Ontario (average of $225). Flying from Orlando Airport to Ontario in March is currently the most expensive (average of $457). 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

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Orlando to Ontario

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$170Average$295FlexibilityNo cancel feeOn-time62%
DeltaCheapest$204Average$554FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$341Average$467FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$343Average$452FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.