$159 Cheap Flights from Memphis (MEM) to Ontario (ONT)

View $159 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from Memphis International Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Memphis to Ontario (MEM-ONT)

Prices were available within the past 7 days and start at $159 for one-way flights and $163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Oct 17 - Sun, Oct 26
MEM
Memphis
ONT
Ontario
$163 Roundtrip, found 18 hours ago
$163
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Fri, Oct 17 from Memphis to Ontario, returning Sun, Oct 26, priced at $163 found 18 hours ago
Frontier Airlines
Mon, Nov 3 - Sun, Nov 9
MEM
Memphis
ONT
Ontario
$194 Roundtrip, found 21 hours ago
$194
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Mon, Nov 3 from Memphis to Ontario, returning Sun, Nov 9, priced at $194 found 21 hours ago
Frontier Airlines
Fri, Oct 24 - Sun, Oct 26
MEM
Memphis
ONT
Ontario
$199 Roundtrip, found 19 hours ago
$199
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Fri, Oct 24 from Memphis to Ontario, returning Sun, Oct 26, priced at $199 found 19 hours ago
Frontier Airlines
Sun, Nov 9 - Sun, Nov 16
MEM
Memphis
ONT
Ontario
$203 Roundtrip, found 16 hours ago
$203
Roundtrip
found 16 hours ago
Select Frontier Airlines flight, departing Sun, Nov 9 from Memphis to Ontario, returning Sun, Nov 16, priced at $203 found 16 hours ago
Southwest Airlines
Wed, Oct 8 - Tue, Oct 14
MEM
Memphis
ONT
Ontario
$222 Roundtrip, found 5 days ago
$222
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, Oct 8 from Memphis to Ontario, returning Tue, Oct 14, priced at $222 found 5 days ago
Southwest Airlines
Sat, Dec 6 - Wed, Dec 10
MEM
Memphis
ONT
Ontario
$224 Roundtrip, found 5 days ago
$224
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Dec 6 from Memphis to Ontario, returning Wed, Dec 10, priced at $224 found 5 days ago
Southwest Airlines
Wed, Oct 8 - Tue, Oct 14
MEM
Memphis
ONT
Ontario
$231 Roundtrip, found 5 days ago
$231
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, Oct 8 from Memphis to Ontario, returning Tue, Oct 14, priced at $231 found 5 days ago
United
Wed, Oct 8 - Tue, Oct 14
MEM
Memphis
ONT
Ontario
$239 Roundtrip, found 5 days ago
$239
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 8 from Memphis to Ontario, returning Tue, Oct 14, priced at $239 found 5 days ago
American Airlines
Wed, Nov 5 - Sat, Nov 8
MEM
Memphis
ONT
Ontario
$243 Roundtrip, found 4 days ago
$243
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Nov 5 from Memphis to Ontario, returning Sat, Nov 8, priced at $243 found 4 days ago
Delta
Tue, Jan 6 - Sat, Jan 10
MEM
Memphis
ONT
Ontario
$277 Roundtrip, found 4 days ago
$277
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 6 from Memphis to Ontario, returning Sat, Jan 10, priced at $277 found 4 days ago

Find the cheapest month to fly from Memphis (MEM) to Ontario (ONT)

August is typically the cheapest month to fly

From $206 - $828 per traveler.

Frequently asked questions

How much does a flight from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Grab a cheap one-way flight from $159 or cheap return flight from $163 from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT)?
Planning your getaway for October can help you save, as it's the cheapest month for flights between MEM and ONT. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest MEM to ONT flight.
How many flights per day from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT)?
Nonstop flights from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from MEM to ONT?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT)?
Select a flight from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ontario from Memphis Intl. Airport (MEM)?
If you're boarding a direct flight from Memphis Intl. Airport (MEM) to Ontario, Los Angeles Intl. Airport (LAX) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your plane ticket from MEM to ONT right before your trip is generally more expensive. However, if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a MEM to ONT flight and hotel package?
Securing a MEM to ONT flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Memphis Intl. Airport (MEM) to Los Angeles - Ontario Intl. Airport (ONT)?
In most instances, you're able to cancel or reschedule your MEM to ONT flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Memphis Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$162
Distance
1567 mi

Book with confidence

Book with confidence

Memphis to Ontario Flights

The cheapest times to fly from Memphis to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Memphis to Ontario are during the month of October. You can find some of the cheapest flights from Memphis to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Memphis to Ontario

Sunday is one of the best days to book for cheap flights from Memphis to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Memphis to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Memphis to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $159 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Memphis to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Memphis to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Memphis to Ontario Flights

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