ONT - TYS

$173 Find Cheap Flights from Ontario to Knoxville - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$207
Typical prices: $383-$545
Multiple Airlines
Wed 10/31Mon 11/5
ONT - TYS • 1 stop
Cheapest one-way
$173
Typical prices: $227-$387
Multiple Airlines
Wed 12/12
ONT - TYS • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Ontario and Knoxville. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
9 weeks
in advance
Our data shows that travelers who book at least 9 weeks in advance save around 49% compared to booking last minute.
Insights
Insights
When to travel
September
Cheapest • 16% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $384 (round-trip)
Dallas/Fort Worth (DFW)
Shortest trip • 7h 03m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Ontario to Knoxville (ONT-TYS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Knoxville

Sat, Oct 31 - Thu, Nov 5
Multiple Airlines Logo
11:52 am - 2:11 pmONT  Ontario-TYS Knoxville McGhee Tyson
23h 19m1 stop Denver Intl
Multiple Airlines Logo
6:30 am - 11:51 pmTYS  Knoxville McGhee Tyson-ONT Ontario
20h 21m1 stop Denver Intl
$207Multiple Airlines
Wed, Nov 11 - Sun, Nov 15
Multiple Airlines Logo
11:52 am - 1:19 pmONT  Ontario-TYS Knoxville McGhee Tyson
22h 27m1 stop Denver Intl
Multiple Airlines Logo
8:43 pm - 11:16 amTYS  Knoxville McGhee Tyson-ONT Ontario
17h 33m1 stop Las Vegas Harry Reid Intl
$265Multiple Airlines
Sat, Oct 31 - Thu, Nov 5
Multiple Airlines Logo
11:52 am - 11:10 pmONT  Ontario-TYS Knoxville McGhee Tyson
32h 18m2 stops Denver Intl Phoenix Sky Harbor Intl
Multiple Airlines Logo
6:30 am - 10:35 amTYS  Knoxville McGhee Tyson-ONT Ontario
7h 05m1 stop Denver Intl
$273Multiple Airlines
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
6:00 am - 4:42 pmONT  Ontario-TYS Knoxville McGhee Tyson
7h 42m1 stop Dallas/Fort Worth
American Airlines Logo
6:50 am - 1:31 pmTYS  Knoxville McGhee Tyson-ONT Ontario
9h 41m1 stop Dallas/Fort Worth
$377American Airlines
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
10:30 pm - 8:48 amONT  Ontario-TYS Knoxville McGhee Tyson
7h 18m1 stop Charlotte Douglas
American Airlines Logo
5:30 am - 11:52 amTYS  Knoxville McGhee Tyson-ONT Ontario
9h 22m1 stop Dallas/Fort Worth
$377American Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
1:29 pm - 10:32 pmONT  Ontario-TYS Knoxville McGhee Tyson
6h 03m1 stop Denver Intl
United Airlines Logo
3:45 pm - 9:40 pmTYS  Knoxville McGhee Tyson-ONT Ontario
8h 55m1 stop Houston George Bush Intcntl
$377United Airlines
Wed, Feb 24 - Wed, Mar 3
Delta Logo
7:00 am - 6:13 pmONT  Ontario-TYS Knoxville McGhee Tyson
8h 13m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:07 am - 11:27 amTYS  Knoxville McGhee Tyson-ONT Ontario
7h 20m1 stop Atlanta Hartsfield-Jackson
$377Delta
Tue, Feb 23 - Wed, Mar 3
Delta Logo
7:00 am - 5:13 pmONT  Ontario-TYS Knoxville McGhee Tyson
7h 13m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:07 am - 11:27 amTYS  Knoxville McGhee Tyson-ONT Ontario
7h 20m1 stop Atlanta Hartsfield-Jackson
$377Delta
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
6:00 am - 4:39 pmONT  Ontario-TYS Knoxville McGhee Tyson
7h 39m1 stop Dallas/Fort Worth
American Airlines Logo
6:52 am - 12:12 pmTYS  Knoxville McGhee Tyson-ONT Ontario
8h 20m1 stop Dallas/Fort Worth
$377American Airlines
Tue, Oct 27 - Sat, Oct 31
United Airlines Logo
6:59 am - 4:59 pmONT  Ontario-TYS Knoxville McGhee Tyson
7h 00m1 stop Chicago O'Hare Intl
United Airlines Logo
1:54 pm - 8:51 pmTYS  Knoxville McGhee Tyson-ONT Ontario
9h 57m2 stops Chicago O'Hare Intl Denver Intl
$382United Airlines
Booking Insights

Price, demand and travel trends for Ontario to Knoxville flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Ontario to Knoxville?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Ontario to Knoxville. It’s 19% cheaper than the average day, while Monday is the most expensive, with prices 28% higher.

What’s the cheapest month to fly from Ontario to Knoxville?

•September is the cheapest month to fly from Ontario to Knoxville at $396 round-trip.
•March ($601) and June ($543) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 51% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ontario to Knoxville the cheapest?

Flights from Ontario to Knoxville are cheapest 9 weeks before departure. Booking in this window typically costs about 49% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Ontario to Knoxville flights

Low season

February

Cheapest flight

$173
Beat the crowds with an average 21% drop in travelers.
The most popular month to fly with an average 58% increase in travelers.
One-way flight from Ontario to Knoxville

When to book flights from Ontario to Knoxville

Are your dates flexible? Find out the best times to travel from Ontario to Knoxville based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Knoxville flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Ontario to Knoxville?

    Two cabin classes are available on flights from Ontario to Knoxville:

    • Economy Class
    • First Class

  • How long is a flight from Ontario to Knoxville?

    A nonstop flight from Ontario to Knoxville takes 00m, covering 1,897 miles.

  • Do I need a passport to fly from Ontario to Knoxville?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Ontario to Knoxville flight?

    Round-trip flights from Ontario to Knoxville range from $383 to $545, with an average of $469 over the past 12 months. Anything below $383 counts as a good deal.

  • How expensive are last-minute Ontario to Knoxville flights?

    Last-minute fares on this route (booked within two weeks of departure) run 49% above the $469 route average. Book 9 weeks before departure for the lowest fares.

  • How are flight prices from Ontario to Knoxville looking right now?

    One-way fares from Ontario to Knoxville are currently lower than usual. Average one-way flight prices are about $208, which is 30% below the typical average for this route.

  • What car rental options are available at Knoxville McGhee Tyson Airport (TYS)?

    Knoxville McGhee Tyson Airport (TYS) hosts 5 major car rental companies, with daily rates starting from around $33 for economy cars. Top options include:

    • Budget
    • Alamo
    • Thrifty
    • Enterprise Rent-A-Car
    • Payless

  • Which airports can I use when flying from Ontario to Knoxville?

    Flights from Ontario to Knoxville usually depart from Ontario (ONT) and arrive at Knoxville McGhee Tyson (TYS).

  • Which airports do connecting flights from Ontario to Knoxville pass through?

    One-stop flights from Ontario to Knoxville most commonly connect through:

    • Dallas/Fort Worth (DFW) - 49% of one-stop connections
    • Denver Intl (DEN) - 26% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 21% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Ontario to Knoxville?

    Yes. Flexible dates can save you up to 37% on flights from Ontario to Knoxville. Wednesday is the cheapest departure day at $383 round-trip on average, while Monday is the most expensive at $601, a difference of $218.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Ontario to Knoxville?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 7h 03m, compared with 7h 22m via Denver Intl (DEN) and 7h 27m via Chicago O'Hare Intl (ORD).

  • What is the time difference between Ontario and Knoxville?

    Knoxville is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Ontario to Knoxville flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $383, about $218 less than Monday fares (36% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 9 weeks before you fly. On this route, that window historically saves about 49% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to Knoxville trip for September. Fares historically average $396 round-trip in that month - typically $205 less than the most expensive month, which is March (based on the last 12 months).

More options for your flight from Ontario to Knoxville

Complete your trip to Knoxville with a hotel stay or car rental

Car rentals in Knoxville
Hotels in Knoxville
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