Cheap flights from Knoxville to Los Angeles from $139
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Los Angeles departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Knoxville to Ontario
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Use the filters below to find and compare flights from Knoxville to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Wed 11/4
5:30 am-9:40 am
1 stop7h 10m
Ontario
Wed 11/11
2:22 pm-11:32 pm
1 stop6h 10m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Sat 12/5
5:30 am-9:42 am
1 stop7h 12m
Ontario
Sat 12/12
2:22 pm-11:40 pm
1 stop6h 18m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Tue 11/3
5:05 pm-8:51 pm
1 stop6h 46m
Ontario
Tue 11/10
5:00 am-3:01 pm
1 stop7h 01m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Sat 12/5
5:20 pm-9:00 pm
1 stop6h 40m
Ontario
Sat 12/12
7:00 am-4:10 pm
1 stop6h 10m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Tue 11/10
5:30 am-9:38 am
1 stop7h 08m
Ontario
Tue 11/17
2:22 pm-11:32 pm
1 stop6h 10m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Tue 11/3
6:45 am-12:33 pm
2 stops8h 48m
Ontario
Tue 11/10
7:00 am-4:59 pm
1 stop6h 59m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Sat 12/5
7:10 am-2:10 pm
2 stops10h 00m
Ontario
Sat 12/12
7:00 am-4:10 pm
1 stop6h 10m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Tue 11/3
6:45 am-12:33 pm
2 stops8h 48m
Ontario
Tue 11/10
5:00 am-4:59 pm
2 stops8h 59m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Tue 11/10
5:40 am-11:03 am
1 stop8h 23m
Ontario
Tue 11/17
5:56 pm-10:20 am
2 stops13h 24m
KnoxvilleOntario
TYS Knoxville McGhee Tyson - ONT Ontario
TYSONT
Knoxville McGhee Tyson
Sat 10/24
2:38 pm-7:30 pm
1 stop7h 52m
Ontario
Wed 10/28
7:07 am-5:28 pm
1 stop7h 21m
See travel insights to Los Angeles from
How to get the cheapest flight ticket from Knoxville to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Knoxville and Ontario?
Prices are currently low for flights on this route.
Typical prices usually range from $349 to $582.The lowest price recently found on this route was $251.
What is the cheapest month to fly to Ontario?
In general, October is the cheapest month to fly from Knoxville to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $379. If you aren’t able to travel during the month of October, then book flights to Ontario from Knoxville during September instead. Flights to Ontario in September, while not as cheap as those in October, still average around $387.
How have Knoxville to Ontario flight prices changed over time?
What is the cheapest airline that flies from Knoxville McGhee Tyson to Ontario?
Delta, Southwest, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Ontario
What airlines fly to Ontario?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Ontario from Knoxville according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 5 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Knoxville and Ontario?
Atlanta (ATL) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Knoxville to Ontario?
Flights via Atlanta (ATL) offer the lowest average round-trip price of $649.
Which layover airport has the shortest travel time from Knoxville to Ontario?
Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 44m.
Which layover airport has the shortest connection time from Knoxville to Ontario?
Denver (DEN) has the shortest average layover time for this route: 1h 24m.
When to book flights from Knoxville to Ontario
Cheap Knoxville to Ontario (TYS to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Ontario
Frequently asked questions about flying from Knoxville to Ontario
How far is Knoxville McGhee Tyson to Ontario by plane?
There are 1902.5 mi between Knoxville McGhee Tyson and Ontario. In terms of flight time, this usually takes a little over 6h 44m.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Ontario Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Ontario Airport?
As of October 2026, there are 4 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Ontario Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Knoxville to Ontario?
Based on momondo bookings for flights between Knoxville and Ontario, the leading airline is American Airlines, making up 56% of the total bookings. Other popular airlines include Delta with 18%, United Airlines with 16%, and Frontier with 10%.
Best airlines flying from Knoxville to Ontario
Compare and see reviews for airlines that fly from Knoxville to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $199 | Free Cancellation | Rating 5.6 2,550 reviews | |||
| PriceFrom $250 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $277 | Free Cancellation | Rating 7.8 8,645 reviews | |||
| PriceFrom $339 | Free Cancellation | Rating 7.0 12,145 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Knoxville to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from Knoxville to Ontario with flexible booking policies on momondo?
momondo does allow users to show only those flights to Ontario from Knoxville which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Knoxville to Ontario?
Once you have performed a search for Knoxville to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Knoxville to Ontario right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Knoxville to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.