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$117+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
MEM — ONT
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$297
(American Airlines)

One-way from

$117
(FlightHub)

Popular in

January

Cheapest in

August

Average price

$507
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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:25 amMEM - ONT
1 stop6h 39mAmerican Airlines
Mon 9/151:10 pmONT - MEM
1 stop5h 43mAmerican Airlines
Deal found 6/11$297
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:55 pmMEM - ONT
2 stops8h 00mSouthwest
Wed 8/205:25 amONT - MEM
1 stop5h 40mSouthwest
Deal found 6/11$302
This Delta deal was found by Cheapflights users on 6/10. 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.
Mon 9/221:45 pmMEM - ONT
2 stops12h 01mDelta
Mon 10/610:59 pmONT - MEM
2 stops12h 29mDelta
Deal found 6/10$307
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:48 pmMEM - ONT
1 stop6h 02mFrontier
Thu 8/76:00 amONT - MEM
2 stops10h 48mFrontier
Deal found 6/11$316
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/92:50 pmMEM - ONT
1 stop9h 40mUnited Airlines
Tue 9/165:10 amONT - MEM
1 stop6h 06mUnited Airlines
Deal found 6/10$387
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:25 amMEM - ONT
2 stops10h 44mAlaska Airlines
Tue 9/166:00 amONT - MEM
2 stops10h 06mAlaska Airlines
Deal found 6/11$447

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 June 12, 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 9/8

5:25 am-10:04 am

1 stop6h 39m

Ontario

Mon 9/15

1:10 pm-8:53 pm

1 stop5h 43m

$297

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 8/14

1:55 pm-7:55 pm

2 stops8h 00m

Ontario

Wed 8/20

5:25 am-1:05 pm

1 stop5h 40m

$302

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mon 9/22

1:45 pm-11:46 pm

2 stops12h 01m

Ontario

Mon 10/6

10:59 pm-1:28 pm

2 stops12h 29m

$307

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 7/31

7:48 pm-11:50 pm

1 stop6h 02m

Ontario

Thu 8/7

6:00 am-6:48 pm

2 stops10h 48m

$316

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 9/9

2:50 pm-10:30 pm

1 stop9h 40m

Ontario

Tue 9/16

5:10 am-1:16 pm

1 stop6h 06m

$387

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 9/9

5:25 am-2:09 pm

2 stops10h 44m

Ontario

Tue 9/16

6:00 am-6:06 pm

2 stops10h 06m

$447

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sun 9/7

8:00 pm-11:50 pm

1 stop5h 50m

$117

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 6/26

7:45 pm-11:52 am

1 stop18h 07m

$129

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 8/12

12:46 pm-7:11 pm

1 stop8h 25m

$149

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sat 8/9

6:48 am-11:52 am

1 stop7h 04m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 13 results
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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

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 June 12, 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.

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 June 12, 2025.
To help decide which airline to fly from Memphis to Ontario, see what other customers have to say about Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

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 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 American Airlines. Our recent data shows that you can find tickets from as low as $297 on this airline. Additional options worth looking into are Southwest and Delta, starting at $302 and $307 round-trip. Users have found that American Airlines is 44% 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 $117. Delta flights start at $149 while deals on American Airlines start at $158 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$199Average$411FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$296Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$509FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$362Average$436FlexibilityNo cancel feeOn-time63%

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