$169 Cheap United flights Fort Myers (RSW) to Ontario (ONT)

View $169 flight on Tue, Feb 17, 2026Opens in a new window

$169 Cheap United flights Fort Myers (RSW) to Ontario (ONT)

Prices were available within the past 7 days and start at $169 for one-way flights and $356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Dec 15 - Tue, Dec 16
RSW
Fort Myers
ONT
Ontario
$356 Roundtrip, found 3 days ago
$356
Roundtrip
found 3 days ago
Select United flight, departing Mon, Dec 15 from Fort Myers to Ontario, returning Tue, Dec 16, priced at $356 found 3 days ago
United
Sat, Dec 6 - Sun, Dec 7
RSW
Fort Myers
ONT
Ontario
$367 Roundtrip, found 15 hours ago
$367
Roundtrip
found 15 hours ago
Select United flight, departing Sat, Dec 6 from Fort Myers to Ontario, returning Sun, Dec 7, priced at $367 found 15 hours ago
United
Wed, Dec 3 - Sat, Dec 6
RSW
Fort Myers
ONT
Ontario
$368 Roundtrip, found 14 hours ago
$368
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Dec 3 from Fort Myers to Ontario, returning Sat, Dec 6, priced at $368 found 14 hours ago
United
Sat, Dec 6 - Sun, Dec 7
RSW
Fort Myers
ONT
Ontario
$373 Roundtrip, found 15 hours ago
$373
Roundtrip
found 15 hours ago
Select United flight, departing Sat, Dec 6 from Fort Myers to Ontario, returning Sun, Dec 7, priced at $373 found 15 hours ago
United
Thu, Feb 19 - Sun, Feb 22
RSW
Fort Myers
ONT
Ontario
$375 Roundtrip, found 18 hours ago
$375
Roundtrip
found 18 hours ago
Select United flight, departing Thu, Feb 19 from Fort Myers to Ontario, returning Sun, Feb 22, priced at $375 found 18 hours ago
United
Sat, Dec 6 - Sun, Dec 7
RSW
Fort Myers
ONT
Ontario
$377 Roundtrip, found 15 hours ago
$377
Roundtrip
found 15 hours ago
Select United flight, departing Sat, Dec 6 from Fort Myers to Ontario, returning Sun, Dec 7, priced at $377 found 15 hours ago

Frequently asked questions

How much is a United Airlines flight from Southwest Florida Intl. Airport (RSW) to Los Angeles - Ontario Intl. Airport (ONT)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines round-trip flights from $356 from RSW to ONT. Affordable one-way fares from $169 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from RSW to ONT with United Airlines?
Look for one-way or return flights to Ontario in January or April. You could find an affordable fare with United Airlines during these off-peak travel months.
What is the cheapest time to book flights from Southwest Florida Intl. Airport (RSW) to Los Angeles - Ontario Intl. Airport (ONT) with United Airlines?
Start searching one to three months ahead of your departure date to score cheap fares on United Airlines flights from Southwest Florida Intl. Airport (RSW) to Los Angeles - Ontario Intl. Airport (ONT). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Southwest Florida Intl. Airport (RSW) to Los Angeles - Ontario Intl. Airport (ONT)?
To figure out if there's a direct route from RSW to ONT with United Airlines or another carrier, check the "Nonstop" filter when searching for tickets.
What is the earliest United Airlines flight from RSW to ONT?
Filter your results by "Morning" and "Early Morning" to find the earliest departures from RSW to ONT. Leaving early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Ontario?
Hop on a United Airlines flight from Southwest Florida Intl. Airport (RSW) to Ontario, and you'll likely touch down at Los Angeles - Ontario Intl. Airport (ONT). This is the airline's main hub here.
Why fly with United Airlines from RSW to ONT?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to jet off from RSW to ONT with United Airlines. Plus, when you join Expedia's free One Key™ program, you can earn OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Southwest Florida Intl. Airport (RSW) to Los Angeles - Ontario Intl. Airport (ONT)?
In most cases, you can cancel or reschedule your flight, although additional charges may apply if your booking was made more than 24 hours ago. Need to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you need to alter your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

Travel information

Origin airport
Southwest Florida Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
American Airlines
Distance
2188 mi
Average flight time
8 hours 53 mins

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*Available to One Key members.