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Ontario

$71+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
MEM — ONT
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap 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 December 8, 2025.

This Booking.com deal was found by Cheapflights users on 12/7. 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 12/118:07 pmMEM - ONT
1 stop20h 18mFrontier
Sat 12/133:20 pmONT - MEM
1 stop25h 52mFrontier
Deal found 12/7$287
This Booking.com deal was found by Cheapflights users on 12/7. 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 12/118:07 pmMEM - ONT
1 stop20h 18mFrontier
Sun 12/144:01 pmONT - MEM
1 stop21h 32mFrontier
Deal found 12/7$301
This Frontier deal was found by Cheapflights users on 12/8. 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 12/188:07 pmMEM - ONT
1 stop5h 52mFrontier
Tue 12/306:45 amONT - MEM
1 stop10h 27mFrontier
Deal found 12/8$304
This Frontier deal was found by Cheapflights users on 12/6. 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 12/218:07 pmMEM - ONT
1 stop5h 52mFrontier
Thu 12/256:45 amONT - MEM
1 stop10h 27mFrontier
Deal found 12/6$307
This Frontier deal was found by Cheapflights users on 12/7. 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 12/188:07 pmMEM - ONT
1 stop5h 52mFrontier
Sun 12/216:45 amONT - MEM
1 stop10h 27mFrontier
Deal found 12/7$308
This Frontier deal was found by Cheapflights users on 12/7. 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 12/258:07 pmMEM - ONT
1 stop5h 52mFrontier
Thu 1/16:45 amONT - MEM
1 stop10h 27mFrontier
Deal found 12/7$324
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
Wed 12/245:54 pmMEM - ONT
1 stop25h 28mMultiple Airlines
Fri 12/266:00 amONT - MEM
1 stop8h 49mMultiple Airlines
Deal found 12/8$332
This Frontier deal was found by Cheapflights users on 12/8. 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 12/218:07 pmMEM - ONT
1 stop5h 52mFrontier
Tue 12/306:45 amONT - MEM
1 stop10h 27mFrontier
Deal found 12/8$333
This Kiwi.com deal was found by Cheapflights users on 12/6. 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.
Mon 12/225:54 pmMEM - ONT
1 stop25h 28mMultiple Airlines
Sun 12/286:37 pmONT - MEM
1 stop20h 12mMultiple Airlines
Deal found 12/6$335
This Frontier deal was found by Cheapflights users on 12/8. 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 12/218:07 pmMEM - ONT
1 stop5h 52mFrontier
Thu 1/16:45 amONT - MEM
1 stop10h 27mFrontier
Deal found 12/8$353

Find 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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$165
(Frontier)

One-way from

$71
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$566
Provider with most accurate pricing for Memphis-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Memphis-Ontario flights.
Search Deals
From Memphis to Ontario
Search Deals
One-way flight from Memphis to Ontario
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($189 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 8, 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

Thu 12/18

8:07 pm-11:59 pm

1 stop5h 52m

Ontario

Sun 12/21

6:45 am-7:12 pm

1 stop10h 27m

$308

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sun 1/18

4:15 pm-8:58 pm

1 stop6h 43m

Ontario

Wed 1/21

8:00 am-4:09 pm

1 stop6h 09m

$334

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 1/20

1:27 pm-6:45 pm

1 stop7h 18m

Ontario

Tue 1/27

4:45 pm-11:54 pm

1 stop5h 09m

$334

MemphisOntario

MEM - ONT

MEMONT

Memphis

Mon 12/22

5:54 pm-5:22 pm

1 stop25h 28m

Ontario

Sun 12/28

6:37 pm-4:49 pm

1 stop20h 12m

$335

MemphisOntario

MEM - ONT

MEMONT

Memphis

Tue 1/20

6:59 am-12:16 pm

1 stop7h 17m

Ontario

Tue 1/27

10:30 pm-11:37 am

2 stops11h 07m

$339

MemphisOntario

MEM - ONT

MEMONT

Memphis

Fri 2/13

9:22 pm-12:42 pm

1 stop17h 20m

Ontario

Mon 2/16

6:30 am-8:32 pm

1 stop12h 02m

$353

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 1/21

1:39 pm-9:05 pm

1 stop9h 26m

Ontario

Wed 1/28

12:41 pm-11:13 pm

1 stop8h 32m

$367

MemphisOntario

MEM - ONT

MEMONT

Memphis

Wed 1/7

6:00 am-11:31 am

1 stop7h 31m

Ontario

Wed 1/14

12:41 pm-8:51 pm

1 stop6h 10m

$367

MemphisOntario

MEM - ONT

MEMONT

Memphis

Sat 1/10

7:05 am-12:16 pm

1 stop7h 11m

Ontario

Tue 1/13

10:30 pm-8:38 am

1 stop8h 08m

$367

MemphisOntario

MEM - ONT

MEMONT

Memphis

Thu 1/8

7:05 am-12:16 pm

1 stop7h 11m

Ontario

Wed 1/14

10:30 pm-8:38 am

1 stop8h 08m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 21 results
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Compare providers for flights from Memphis 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 Memphis to Ontario in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Memphis-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Memphis-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Memphis-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Memphis-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 Memphis-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 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, April is the cheapest month in which you can book a flight from Memphis to Ontario (average of $92). Flying from Memphis to Ontario in December is currently the most expensive (average of $239). 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 December 8, 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 29% on airfare.

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 December 8, 2025.
See what other customers who have flown with Southwest, Delta, and American 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
4,252 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Delta
7.9
Good
8,010 reviews
Southwest
8.0
Very good
4,252 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
American Airlines
7.2
Good
11,044 reviews
Southwest
8.0
Very good
4,252 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.
Frontier
5.8
Fair
3,087 reviews
Southwest
8.0
Very good
4,252 reviews

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
8.0
Excellent

Walter,Aug 2025

OAK - SAN

Dozens of flights and I've never seen a row's beverages forgotten. I even went back and asked the attendant to check on them and nothing. I really hope it didn't have something to do with the Black mother with her kid in the row. Otherwise it was a typical Southwest flight, rapid boarding, tolerable leg room.

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.

  • How long is the flight from Memphis to Ontario?

    For as low as $308, Frontier can have you in Ontario from Memphis in 5h 52m. There are 1567 mi between Memphis and Ontario. This flight may include one or multiple stops.

  • 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 $55 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $199 and $322 round-trip. Users have found that Frontier is 88% 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 $95. Southwest flights start at $153 while deals on American Airlines start at $168 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, April is the cheapest month in which you can book a flight from Memphis to Ontario (average of $92). Flying from Memphis to Ontario in December is currently the most expensive (average of $239). 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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$96Average$290FlexibilityNo cancel feeOn-time62%
DeltaCheapest$199Average$411FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$322Average$493FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$425FlexibilityNo cancel feeOn-time63%

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