Cheap flights from Ontario to Knoxville from $82

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Cheap Ontario - Knoxville flight offers

Find cheap flight tickets and last-minute flight deals from Ontario to Knoxville

Southwest Airlines
Fri, 08/21 (ONT) Ontario -> (TYS) Knoxville
Southwest Airlines
Mon, 08/24 (TYS) Knoxville -> (ONT) Ontario
Price found 7 days ago
from $82
Southwest Airlines
Fri, 10/23 (ONT) Ontario -> (TYS) Knoxville
Southwest Airlines
Tue, 10/27 (TYS) Knoxville -> (ONT) Ontario
Price found 8 days ago
from $87
Southwest Airlines
Fri, 10/23 (ONT) Ontario -> (TYS) Knoxville
Southwest Airlines
Wed, 10/28 (TYS) Knoxville -> (ONT) Ontario
Price found 8 days ago
from $87
DELTA
Sun, 08/23 (ONT) Ontario -> (TYS) Knoxville
DELTA
Wed, 08/26 (TYS) Knoxville -> (ONT) Ontario
Price found 5 days ago
from $92
Southwest Airlines
Thu, 10/22 (ONT) Ontario -> (TYS) Knoxville
Southwest Airlines
Tue, 10/27 (TYS) Knoxville -> (ONT) Ontario
Price found 8 days ago
from $100
Southwest Airlines
Thu, 10/22 (ONT) Ontario -> (TYS) Knoxville
Southwest Airlines
Wed, 10/28 (TYS) Knoxville -> (ONT) Ontario
Price found 8 days ago
from $100
DELTA
Sun, 09/06 (ONT) Ontario -> (TYS) Knoxville
DELTA
Thu, 09/10 (TYS) Knoxville -> (ONT) Ontario
Price found Yesterday
from $109
Southwest Airlines
Fri, 08/21 (ONT) Ontario -> (TYS) Knoxville
Southwest Airlines
Tue, 08/25 (TYS) Knoxville -> (ONT) Ontario
Price found 12 days ago
from $127

Info about flights from Ontario to Knoxville

Some useful info about flights from Ontario to Knoxville to help you plan your next trip

Best price last 15 days $82
Average flight duration 4h 48m
Cheapest month October
Average number of flights per week 1
First flight time 00:55
Last flight time 23:59
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Top airlines on the route Ontario - Knoxville

Airlines providing flights to Knoxville from Ontario

American Airlines
American Airlines
DELTA
DELTA
United
United

Flight prices from Ontario to Knoxville

There’s no fixed price — fares between Ontario and Knoxville can vary a lot by day or time.

The lowest fare seen in the past 15 days was $82.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Planning flights between Ontario and Knoxville? Don’t forget the airport options

Especially when flying to medium or large cities, it's worth checking all possible airport combinations before booking.

  • Airports in Ontario: Ontario is the only airport in this city.
  • Airports in Knoxville: Only Knoxville - McGhee Tyson is currently available.

Check for differences in transport costs to and from each airport — they affect your total spend. Choosing the right airport can make a real difference in price and timing.

Plan your journey from Ontario to Knoxville with ease

Use Jetcost to tailor your search — direct or connecting flights, round-trip or one-way, filtered by airline, price, travel time, or agency.

Other popular destinations

Exploring options in United States? These cities are trending: Houston, Los Angeles, Miami, New York City, Orlando.

Flight availability can change quickly — refresh the results if you’ve been away from the page for a while.
Frequently Asked Questions

Frequently asked questions about flights from Ontario to Knoxville.

How much does an airline ticket from Ontario to Knoxville cost?

The lowest price recorded in the last 15 days for a flight from Ontario to Knoxville is $82.

How far is Ontario from Knoxville?

Ontario is about 1899 mi from Knoxville.

What are the airports in Knoxville?

Knoxville has one airport: Knoxville - McGhee Tyson.

What are the airports in Ontario?

Ontario has one airport: Ontario.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Houston, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Ontario to Knoxville?

The best time to book a flight from Ontario to Knoxville is 1 month in advance, while the worst time is 10 weeks in advance.

What is the cheapest month to fly from Ontario to Knoxville?

The cheapest month to fly from Ontario to Knoxville is October.

What is the most expensive month to fly from Ontario to Knoxville?

The most expensive month to fly from Ontario to Knoxville is May.

What is the best day of the week to fly from Ontario to Knoxville?

For flights from Ontario to Knoxville Wednesday is on average the cheapest day to fly, while Monday is the most expensive day to fly.