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Ontario

$79+ Cheap flights from Memphis to Ontario (MEM - 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
MEM — ONT
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Memphis to Ontario are usually found in November or February, booked 43 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Memphis to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Memphis (MEM) 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 July 3, 2025.

Round-trip from

$205
(Trip.com)

One-way from

$79
(Priceline)

Popular in

January

Cheapest in

November

Average price

$449
From Memphis to Ontario
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One-way flight from Memphis to Ontario
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Highest demand for flights based on searches. 17% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Memphis to Ontario

Cheapest flights from Memphis to Ontario
Explore the most affordable flight options available from Memphis to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Trip.com deal was found by Cheapflights users on 7/3. 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 8/1110:06 pmMEM - ONT
1 stop20h 14mMultiple Airlines
Fri 8/156:00 amONT - MEM
1 stop13h 12mMultiple Airlines
Deal found 7/3$205
This Booking.com deal was found by Cheapflights users on 7/2. 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 8/286:20 pmMEM - ONT
1 stop7h 30mFrontier
Wed 9/312:59 amONT - MEM
1 stop15h 12mFrontier
Deal found 7/2$225
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Mon 9/226:48 amMEM - ONT
1 stop17h 45mAmerican Airlines
Mon 10/610:06 amONT - MEM
1 stop11h 48mAmerican Airlines
Deal found 7/3$324
This Delta deal was found by Cheapflights users on 7/2. 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.
Sat 9/612:46 pmMEM - ONT
1 stop8h 25mDelta
Mon 9/89:50 amONT - MEM
1 stop6h 02mDelta
Deal found 7/2$351
This United Airlines deal was found by Cheapflights users on 7/2. 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 9/68:30 amMEM - ONT
2 stops11h 07mUnited Airlines
Thu 9/117:00 amONT - MEM
1 stop8h 39mUnited Airlines
Deal found 7/2$356
This Southwest deal was found by Cheapflights users on 7/3. 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 9/510:30 amMEM - ONT
1 stop8h 00mSouthwest
Thu 9/111:25 pmONT - MEM
1 stop5h 35mSouthwest
Deal found 7/3$360

Cheapflights Fare Finder

Customize your flight search to find flights from Memphis 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 July 3, 2025.
Use the filters below to find and compare flights from Memphis to Ontario that are best for you.

Fly from

Memphis

Fly to

Ontario

Route

Depart

Return

Price

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mon 8/11

10:06 pm-4:20 pm

1 stop20h 14m

Ontario

Fri 8/15

6:00 am-9:12 pm

1 stop13h 12m

$205

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 8/28

6:20 pm-11:50 pm

1 stop7h 30m

Ontario

Wed 9/3

12:59 am-6:11 pm

1 stop15h 12m

$225

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mon 9/22

6:48 am-10:33 pm

1 stop17h 45m

Ontario

Mon 10/6

10:06 am-11:54 pm

1 stop11h 48m

$324

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sat 9/6

12:46 pm-7:11 pm

1 stop8h 25m

Ontario

Mon 9/8

9:50 am-5:52 pm

1 stop6h 02m

$351

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sat 9/6

8:30 am-5:37 pm

2 stops11h 07m

Ontario

Thu 9/11

7:00 am-5:39 pm

1 stop8h 39m

$356

MemphisOntario

MEM - ONT

MEMONT

Memphis

Fri 9/5

10:30 am-4:30 pm

1 stop8h 00m

Ontario

Thu 9/11

1:25 pm-9:00 pm

1 stop5h 35m

$360

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 8/21

6:20 pm-11:50 pm

1 stop7h 30m

$79

MemphisOntario

MEM - ONT

MEMONT

Memphis

Fri 8/1

10:06 pm-9:52 pm

1 stop25h 46m

$123

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mon 11/10

8:01 pm-11:45 pm

1 stop5h 44m

$172

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sat 8/30

12:46 pm-7:11 pm

1 stop8h 25m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 12 results
1
2

Best time to book a flight from Memphis to Ontario

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

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

Use this chart to determine the optimal time to book a round-trip flight from Memphis to Ontario. Price data was last updated on June 27, 2025.

The price you pay for your flight from Memphis to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 43 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 Memphis to Ontario?

Currently, August is the cheapest month in which you can book a flight from Memphis to Ontario (average of $246). Flying from Memphis 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 MEM to ONT?

Find hourly flight availability from Memphis 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 July 3, 2025.

One of the essential ways to save on airfare from Memphis to Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 30% on airfare.

What is the cheapest day to fly from Memphis to Ontario?

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

Travelers seeking maximum savings on their Memphis to Ontario flight should consider departing on Sunday evenings when fares are most often at their lowest. Monday 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 July 3, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Memphis to Ontario have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
5.9
Fair
3,286 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

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

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

    Our cheapest airline available from Memphis to Ontario is Frontier. Our recent data shows that you can find tickets from as low as $225 on this airline. Additional options worth looking into are American Airlines and Southwest, starting at $324 and $345 round-trip. Users have found that Frontier is 58% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $79. American Airlines flights start at $172 while deals on Delta start at $174 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Memphis 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 Memphis to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Memphis to Ontario (average of $246). Flying from Memphis 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 Memphis to Ontario

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Top 4 airlines flying from Memphis to Ontario

Discover the top 4 airlines that operate flights from Memphis 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$199Average$411FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$326Average$432FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$547FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$362Average$436FlexibilityNo cancel feeOn-time63%

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