ONT - TYS

$151 Find Cheap Flights from Ontario to Knoxville - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$295
Typical prices: $387-$539
Multiple Airlines
Mon 12/3Fri 12/7
ONT - TYS • 1 stop
Cheapest one-way
$151
Typical prices: $226-$385
Multiple Airlines
Tue 12/4
ONT - TYS • 1 stop
Nonstop flights
There are currently no direct flights between Ontario and Knoxville. You'll need to take a connecting flight to reach the destination.
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Insights
When to travel
Cheapest • 15% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $362 (round-trip)
Shortest trip • 7h 07m (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

Thu, Dec 3 - Mon, Dec 7
Multiple Airlines Logo
2:00 pm - 8:25 pmONT  Ontario-TYS Knoxville McGhee Tyson
27h 25m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:49 pm - 11:51 amTYS  Knoxville McGhee Tyson-ONT Ontario
17h 02m2 stops Orlando Sanford Intl Las Vegas Harry Reid Intl
$295Multiple Airlines
Fri, Dec 4 - Mon, Dec 7
Multiple Airlines Logo
8:00 am - 8:25 pmONT  Ontario-TYS Knoxville McGhee Tyson
9h 25m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:49 pm - 11:51 amTYS  Knoxville McGhee Tyson-ONT Ontario
17h 02m2 stops Orlando Sanford Intl Las Vegas Harry Reid Intl
$300Multiple Airlines
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
2:22 pm - 11:40 pmONT  Ontario-TYS Knoxville McGhee Tyson
6h 18m1 stop Dallas/Fort Worth
American Airlines Logo
5:30 am - 9:42 amTYS  Knoxville McGhee Tyson-ONT Ontario
7h 12m1 stop Dallas/Fort Worth
$397American Airlines
Wed, Feb 10 - Tue, Feb 16
American Airlines Logo
6:00 am - 3:13 pmONT  Ontario-TYS Knoxville McGhee Tyson
6h 13m1 stop Dallas/Fort Worth
American Airlines Logo
3:16 pm - 10:06 pmTYS  Knoxville McGhee Tyson-ONT Ontario
9h 50m1 stop Charlotte Douglas
$399American Airlines
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
1:40 pm - 10:50 pmONT  Ontario-TYS Knoxville McGhee Tyson
6h 10m1 stop Denver Intl
United Airlines Logo
4:43 pm - 9:11 pmTYS  Knoxville McGhee Tyson-ONT Ontario
7h 28m1 stop Denver Intl
$399United Airlines
Sat, Dec 5 - Sat, Dec 12
Southwest Logo
7:00 am - 4:10 pmONT  Ontario-TYS Knoxville McGhee Tyson
6h 10m1 stop Denver Intl
Southwest Logo
7:10 am - 2:10 pmTYS  Knoxville McGhee Tyson-ONT Ontario
10h 00m2 stops Nashville Intl Denver Intl
$404Southwest
Tue, Jan 12 - Tue, Jan 19
United Airlines Logo
6:00 am - 6:23 pmONT  Ontario-TYS Knoxville McGhee Tyson
9h 23m1 stop Houston George Bush Intcntl
United Airlines Logo
5:28 pm - 10:15 pmTYS  Knoxville McGhee Tyson-ONT Ontario
7h 47m1 stop Houston George Bush Intcntl
$409United Airlines
Wed, Feb 10 - Wed, Feb 17
Delta Logo
7:05 am - 3:49 pmONT  Ontario-TYS Knoxville McGhee Tyson
5h 44m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:10 pm - 9:44 pmTYS  Knoxville McGhee Tyson-ONT Ontario
7h 34m1 stop Atlanta Hartsfield-Jackson
$409Delta
Sat, Dec 5 - Sat, Dec 12
Southwest Logo
5:35 am - 5:40 pmONT  Ontario-TYS Knoxville McGhee Tyson
9h 05m2 stops Phoenix Sky Harbor Intl Nashville Intl
Southwest Logo
7:10 am - 2:10 pmTYS  Knoxville McGhee Tyson-ONT Ontario
10h 00m2 stops Nashville Intl Denver Intl
$409Southwest
Sat, May 1 - Sat, May 8
Delta Logo
12:00 pm - 11:46 pmONT  Ontario-TYS Knoxville McGhee Tyson
8h 46m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:07 am - 11:27 amTYS  Knoxville McGhee Tyson-ONT Ontario
7h 20m1 stop Atlanta Hartsfield-Jackson
$415Delta
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, Tuesday is the cheapest day of the week to fly from Ontario to Knoxville. It’s 12% cheaper than the average day, while Monday is the most expensive, with prices 16% 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 ($536) 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.

Key details for Ontario to Knoxville flights

Low season

February

Cheapest flight

$151
Beat the crowds with an average 35% drop in travelers.
The most popular month to fly with an average 45% 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 about 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 $387 to $539, with an average of $467 over the past 12 months. Anything below $387 counts as a good deal.

  • 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 $239, which is 21% 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 averaging $82 for economy cars. Top options include:

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

  • 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) - 53% of one-stop connections
    • Denver Intl (DEN) - 28% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 16% 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 24% on flights from Ontario to Knoxville. Tuesday is the cheapest departure day at $415 round-trip on average, while Monday is the most expensive at $543, a difference of $128.

    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 Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 6h 36m, compared with 7h 07m via Dallas/Fort Worth (DFW) 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 Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $415, about $128 less than Monday fares (24% savings) based on the 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