Cheap flights from Ontario to Knoxville from $175
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Knoxville departing on 7/29. 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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How to get the cheapest flight ticket from Ontario to Knoxville
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 cheapest month to fly to Knoxville?
The month of November is, on average, the cheapest month to fly to Knoxville from Ontario, with most prices found around $338. If you aren’t able to travel during the month of November, then book flights to Knoxville from Ontario during January instead. Flights to Knoxville in January, while not as cheap as those in November, still average around $343.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart from Ontario to Knoxville is on a Saturday. Travelers who choose to depart for Knoxville on a Saturday will often find tickets for as low as $387. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Knoxville for around $552.
What is the cheapest time of day to depart on your flight to Knoxville?
In the afternoon is the cheapest time of day to fly from Ontario to Knoxville when you can find flight prices for as low as $399. Flying to Knoxville in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the evening when prices are around $442.
How far in advance should I book a flight to Knoxville?
You are more likely to see cheaper flights to Knoxville from Ontario when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $390 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Ontario for as low as $307 on momondo.
What is the cheapest airline that flies from Ontario to Knoxville McGhee Tyson?
Delta, Frontier, and United Airlines are the most popular carriers operating from Ontario to Knoxville McGhee Tyson
What airlines fly to Knoxville?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Knoxville from Ontario according to our data. American Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 4 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Knoxville
Cheap Ontario to Knoxville (ONT to TYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Knoxville
How far is Ontario to Knoxville McGhee Tyson by plane?
A flight from Ontario to Knoxville McGhee Tyson will travel around 1902.5 mi. Typically, this will take 5h 43m by plane in normal conditions.
When did momondo last update prices for flights from Ontario Airport to Knoxville McGhee Tyson Airport?
Prices for flights from Ontario Airport to Knoxville McGhee Tyson Airport refresh daily.
How many operators does momondo search for flights from Ontario Airport to Knoxville McGhee Tyson Airport?
There are 4 operators available for flights from Ontario Airport to Knoxville McGhee Tyson Airport as of June 2025.
How old do you have to be to fly from Ontario Airport to Knoxville McGhee Tyson 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 Ontario Airport to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Knoxville?
momondo data reveals that the most frequently booked airline on the route from Ontario to Knoxville is American Airlines, representing 71% of all bookings. The subsequent popular airlines are Delta at 17%, United Airlines at 7%, and Frontier at 5%.
Best airlines flying from Ontario to Knoxville
Compare and see reviews for airlines that fly from Ontario to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $128 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $257 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $288 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $288 | Free Cancellation | Rating 7.4 8,790 reviews |
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Knoxville?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Knoxville. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to Knoxville with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Knoxville from Ontario with this policy.
How can momondo help me find flights from Ontario to Knoxville?
Once all potential Ontario to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Ontario to Knoxville right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Knoxville, momondo offers a useful price alert feature which will track prices for flights to Knoxville from Ontario and alert you when they change.