Cheap flights from Knoxville to Ontario (TYS - ONT)

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The best prices from Knoxville McGhee Tyson to Ontario are usually found in April or August, booked 55 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

How to find the cheapest flight from
Knoxville (TYS) to Ontario (ONT)

All the information you need to plan the best TYS to ONT flight in 2021: compare Knoxville to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
TYS - ONT
Price
$336 - $530
ONT
Temperature
53.6 - 78.8 °F
ONT
Precipitation
0.1 - 3.4 inches

Popular in

May

High demand for flights, 24% potential price rise

Cheapest in

April

Best time to find cheap flights, 16% potential price drop

Average price

$453

Average for round-trip flights in December 2021

Round-trip from

$336

From Knoxville McGhee Tyson to Ontario

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Knoxville to Ontario?

To save up to 39% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Knoxville to Ontario from $404 1-2 weeks out and tickets from $486 for flights departing within the next 72 hours.

What is the cheapest day to fly round-trip from Knoxville to Ontario?

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Ontario. Check prices with Cheapflights to find a great deal for your trip.

When is the cheapest time to fly from Knoxville to Ontario (TYS - ONT)?

Unlike in the evening, when flights are generally more expensive, you can save up to 50% on flights from Knoxville to Ontario by exploring options for tickets at noon.

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

August can be a great time to fly to Ontario from Knoxville with a flight ticket averaging about $363. Cheapflights users have found deals in the month of August for as cheap as $212. The most expensive prices can be found in the month of December.

Cheap flights from Knoxville to Ontario in December, January 2022

The best prices found for TYS to ONT flights for December, January
6 Dec - 11 Jan
$312pp
TYS
Knoxville McGhee Tyson
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
TYS
Knoxville McGhee Tyson
26 Jan - 28 Jan
$362pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
   
2 STOPS
TYS
Knoxville McGhee Tyson
26 Jan - 28 Jan
$378pp
TYS
Knoxville McGhee Tyson
United Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
United Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson

Knoxville McGhee Tyson to Ontario 2022 flight deals

Cheap flights to Ontario from Knoxville found for this year
6 Dec - 11 Jan
$312pp
TYS
Knoxville McGhee Tyson
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
TYS
Knoxville McGhee Tyson
6 Dec - 11 Jan
$414pp
TYS
Knoxville McGhee Tyson
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
6 Dec - 11 Jan
$458pp
TYS
Knoxville McGhee Tyson
Multiple Airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
American Airlines
   
2 STOPS
TYS
Knoxville McGhee Tyson

Last minute flights from Knoxville to Ontario

Late deals on round-trip flights to Ontario from Knoxville, departing today and this week
15 Dec - 18 Dec
$729pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
15 Dec - 18 Dec
$732pp
TYS
Knoxville McGhee Tyson
American Airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
TYS
Knoxville McGhee Tyson
15 Dec - 18 Dec
$784pp
TYS
Knoxville McGhee Tyson
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
   
2 STOPS
TYS
Knoxville McGhee Tyson

One-way flights to Ontario from Knoxville

The cheapest one-way flights from Knoxville to Ontario
7:53 am - 11:17 am
Frontier
1 Stop
30h 24m
TYS - ONT
Frontier
$488
Kiwi.com
2:00 pm - 3:31 pm
Multiple Airlines
3 Stops
52h 31m
TYS - ONT
Multiple Airlines
$584
Kiwi.com
3:50 am - 7:36 am
United Airlines
1 Stop
6h 46m
TYS - ONT
United Airlines
$629
United

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Knoxville</span> to <span class="emphasized">Ontario</span> flights.

Flight FAQs

From Knoxville to Ontario

Which airlines flying from Knoxville McGhee Tyson to Ontario have flexible cancellations due to COVID-19?

Some of our airline partners flying from Knoxville McGhee Tyson to Ontario have new flexible policies in place due to COVID-19. American Airlines, Delta, and Frontier are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Knoxville to Ontario for under $400 on Cheapflights?

Yes, there are multiple flights from Knoxville to Ontario for under $400. The cheapest flight booked recently is on Frontier for just $308, but on average you can expect to pay $420.

Are there last-minute flights available from Knoxville to Ontario for under $800?

There are currently 11+ open flights from Knoxville to Ontario within the next 7 days for less than $800.

What are the cheapest airlines flying from Knoxville to Ontario round-trip?

Currently priced at $308, Frontier will fly you from Knoxville to Ontario and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $359 and $378, respectively. These flights start at 23% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Knoxville to Ontario one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $94. Users have also found prices from $265 and $423 on American Airlines and United Airlines, respectively.

What are the most popular airlines that fly from Knoxville to Ontario?

The most popular airlines flying from Knoxville to Ontario are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What are the cheapest flights from Knoxville to Ontario?

Looking for the cheapest flight from Knoxville to Ontario? While on average our users pay $293, our data indicates the cheapest price to be $139. The most popular route (Knoxville McGhee Tyson - Ontario), is priced around $312.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from Knoxville?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from Knoxville McGhee Tyson need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from Knoxville McGhee Tyson must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Ontario.

Quarantine requirements
Visitors from Knoxville McGhee Tyson are not required to quarantine after entering Ontario.

Do I need a test to fly back to Knoxville from Ontario?

Returning to Knoxville McGhee Tyson from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Knoxville McGhee Tyson.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Knoxville McGhee Tyson.

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Knoxville to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Knoxville to Ontario.

Airports servicing Knoxville

Airports servicing Ontario

Top 4 airlines flying from Knoxville McGhee Tyson to Ontario

The chart below displays the airlines Cheapflights users traveling from Knoxville to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$114 $298 No cancel fee 62%
United Airlines
$218 $429 No cancel fee 69%
American Airlines
$249 $511 No cancel fee 71%
Delta
$262 $464 No cancel fee N/A
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