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Cheap flights from Knoxville to Ontario (TYS - ONT) from $90

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
TYS — ONT
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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The best prices from Knoxville McGhee Tyson to Ontario are usually found in February or September, booked 40 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Knoxville to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 30, 2024.

Popular in

May

Cheapest in

February

Round-trip from

$238

One-way from

$233
High demand for flights, 46% potential price rise
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Best time to find cheap flights, 31% potential price drop
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From Knoxville McGhee Tyson to Ontario
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One-way flight from Knoxville McGhee Tyson to Ontario
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What is the cheapest day to fly round-trip from Knoxville to Ontario?

Flying to your destination on a Saturday 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.

How far in advance should I book a flight from Knoxville to Ontario?

To save up to 98% on this flight, we recommend booking at least 40 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 $376 1-2 weeks out and tickets from $486 for flights departing within the next 72 hours.

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

February can be a great time to fly to Ontario from Knoxville with a flight ticket averaging about $451. Cheapflights users have found deals in the month of February for as cheap as $234. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from TYS to ONT?

Unlike in the evening, when flights are generally more expensive, you can save up to 15% on flights from Knoxville to Ontario by exploring options for tickets at noon.

Cheap Frontier flights from Knoxville to Ontario

Explore cheap flight options specifically provided by Frontier for the route between Knoxville and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 30, 2024.
Check out some of the cheapest Frontier flights we've come across from Knoxville to Ontario. It's recommended that users confirm their flight details before booking.
Sat 8/175:40 pmTYS - ONT
1 stop9h 04mFrontier
Tue 8/201:32 pmONT - TYS
1 stop24h 45mFrontier
Deal found 5/30$190
Wed 7/37:47 pmTYS - ONT
1 stop7h 02mFrontier
Sun 7/712:59 amONT - TYS
1 stop17h 41mFrontier
Deal found 5/28$227
Wed 7/37:47 pmTYS - ONT
1 stop7h 02mFrontier
Mon 7/87:19 amONT - TYS
1 stop11h 21mFrontier
Deal found 5/29$245
Fri 6/2810:32 pmTYS - ONT
1 stop28h 16mFrontier
Thu 7/412:59 amONT - TYS
1 stop17h 37mFrontier
Deal found 5/29$286
Fri 6/2810:32 pmTYS - ONT
1 stop18h 06mFrontier
Fri 7/57:19 amONT - TYS
1 stop11h 17mFrontier
Deal found 5/29$292
Sat 9/75:40 pmTYS - ONT
1 stop9h 04mFrontier
Fri 9/1312:49 amONT - TYS
1 stop13h 01mFrontier
Deal found 5/30$296
Fri 6/1410:32 pmTYS - ONT
1 stop18h 26mFrontier
Wed 6/198:03 amONT - TYS
1 stop7h 44mFrontier
Deal found 5/29$301
Fri 8/165:42 pmTYS - ONT
1 stop15h 48mFrontier
Sun 8/181:10 pmONT - TYS
1 stop25h 07mFrontier
Deal found 5/28$321
Wed 6/267:47 pmTYS - ONT
1 stop7h 02mFrontier
Wed 7/38:12 amONT - TYS
1 stop7h 35mFrontier
Deal found 5/29$352

Cheap American Airlines flights from Knoxville to Ontario

Explore cheap flight options specifically provided by American Airlines for the route between Knoxville and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 30, 2024.
Some of the best deals we've found on American Airlines flights traveling from Knoxville to Ontario. Deals frequently update to provide users with more options.
Sat 8/175:10 amTYS - ONT
2 stops9h 43mAmerican Airlines
Tue 8/2010:30 pmONT - TYS
1 stop7h 06mAmerican Airlines
Deal found 5/30$230
Sat 8/175:10 amTYS - ONT
2 stops9h 43mAmerican Airlines
Tue 8/209:35 amONT - TYS
2 stops9h 01mAmerican Airlines
Deal found 5/30$235
Tue 6/116:11 pmTYS - ONT
1 stop7h 48mAmerican Airlines
Mon 8/1910:30 pmONT - TYS
1 stop9h 03mAmerican Airlines
Deal found 5/30$340
Tue 6/116:11 pmTYS - ONT
2 stops8h 48mAmerican Airlines
Mon 8/1910:30 pmONT - TYS
1 stop9h 03mAmerican Airlines
Deal found 5/30$345
Tue 6/112:38 pmTYS - ONT
2 stops10h 31mAmerican Airlines
Mon 8/197:27 pmONT - TYS
2 stops10h 00mAmerican Airlines
Deal found 5/30$350
Fri 9/272:52 pmTYS - ONT
1 stop8h 50mAmerican Airlines
Sun 9/2910:40 pmONT - TYS
1 stop6h 50mAmerican Airlines
Deal found 5/29$370
Fri 9/272:52 pmTYS - ONT
1 stop8h 50mAmerican Airlines
Sun 9/297:23 pmONT - TYS
2 stops10h 07mAmerican Airlines
Deal found 5/29$375
Fri 9/272:52 pmTYS - ONT
2 stops10h 20mAmerican Airlines
Sun 9/2910:40 pmONT - TYS
1 stop6h 50mAmerican Airlines
Deal found 5/30$380
Wed 6/56:11 pmTYS - ONT
1 stop7h 48mAmerican Airlines
Tue 6/112:44 pmONT - TYS
1 stop6h 40mAmerican Airlines
Deal found 5/29$417

Cheap Knoxville to Ontario flights in May & June 2024

Find cheap flight options from Knoxville to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,765,679 searches. Prices were last updated on May 30, 2024.
Listed are some of the best fares we've found on flights departing from Knoxville to Ontario in 2024. More deals are always being added, so be sure to check back regularly.
Fri 6/2810:32 pmTYS - ONT
1 stop28h 16mFrontier
Thu 7/412:59 amONT - TYS
1 stop17h 37mFrontier
Deal found 5/29$286
Fri 6/2810:32 pmTYS - ONT
1 stop18h 06mFrontier
Fri 7/57:19 amONT - TYS
1 stop11h 17mFrontier
Deal found 5/29$292
Sat 6/15:13 pmTYS - ONT
1 stop9h 46mFrontier
Wed 6/128:03 amONT - TYS
1 stop7h 44mFrontier
Deal found 5/29$295
Sat 6/15:13 pmTYS - ONT
1 stop9h 46mFrontier
Fri 6/1410:23 pmONT - TYS
1 stop15h 36mFrontier
Deal found 5/29$297
Sat 6/15:13 pmTYS - ONT
1 stop9h 46mFrontier
Tue 6/1112:59 amONT - TYS
1 stop14h 48mFrontier
Deal found 5/29$298
Fri 6/1410:32 pmTYS - ONT
1 stop18h 26mFrontier
Wed 6/198:03 amONT - TYS
1 stop7h 44mFrontier
Deal found 5/29$301
Mon 6/311:00 amTYS - ONT
1 stop15h 59mFrontier
Fri 7/1910:03 pmONT - TYS
1 stop16h 12mFrontier
Deal found 5/29$336
Mon 6/311:00 amTYS - ONT
1 stop7h 45mFrontier
Mon 6/177:13 amONT - TYS
1 stop11h 26mFrontier
Deal found 5/29$338
Tue 6/116:11 pmTYS - ONT
1 stop7h 48mAmerican Airlines
Mon 8/1910:30 pmONT - TYS
1 stop9h 03mAmerican Airlines
Deal found 5/30$340

Knoxville to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Knoxville and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 30, 2024.
Listed are some of the best fares we've found on flights departing from Knoxville to Ontario in 2024. More deals are always being added, so be sure to check back regularly.
Sat 8/175:40 pmTYS - ONT
1 stop9h 04mFrontier
Tue 8/201:32 pmONT - TYS
1 stop24h 45mFrontier
Deal found 5/30$190
Wed 7/37:47 pmTYS - ONT
1 stop7h 02mFrontier
Sun 7/712:59 amONT - TYS
1 stop17h 41mFrontier
Deal found 5/28$227
Sat 8/175:10 amTYS - ONT
2 stops9h 43mAmerican Airlines
Tue 8/2010:30 pmONT - TYS
1 stop7h 06mAmerican Airlines
Deal found 5/30$230
Sat 8/175:10 amTYS - ONT
2 stops9h 43mAmerican Airlines
Tue 8/209:35 amONT - TYS
2 stops9h 01mAmerican Airlines
Deal found 5/30$235
Wed 7/37:47 pmTYS - ONT
1 stop7h 02mFrontier
Mon 7/87:19 amONT - TYS
1 stop11h 21mFrontier
Deal found 5/29$245
Fri 8/164:45 pmTYS - ONT
1 stop7h 03mUnited Airlines
Sun 8/186:00 amONT - TYS
1 stop6h 45mUnited Airlines
Deal found 5/28$278
Fri 6/2810:32 pmTYS - ONT
1 stop28h 16mFrontier
Thu 7/412:59 amONT - TYS
1 stop17h 37mFrontier
Deal found 5/29$286
Wed 12/185:52 amTYS - ONT
1 stop6h 58mAmerican Airlines
Mon 1/611:17 pmONT - TYS
1 stop5h 52mAmerican Airlines
Deal found 5/29$287
Fri 6/2810:32 pmTYS - ONT
1 stop18h 06mFrontier
Fri 7/57:19 amONT - TYS
1 stop11h 17mFrontier
Deal found 5/29$292

Knoxville to Ontario flights leaving soon

Find last-minute flight options from Knoxville to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 30, 2024.
Have a look at some of the last-minute flights available departing from Knoxville to Ontario. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Wed 6/56:11 pmTYS - ONT
1 stop7h 48mAmerican Airlines
Tue 6/112:44 pmONT - TYS
1 stop6h 40mAmerican Airlines
Deal found 5/29$417
Thu 6/63:45 pmTYS - ONT
1 stop7h 21mDelta
Sun 6/910:00 pmONT - TYS
1 stop8h 22mDelta
Deal found 5/28$418
Wed 6/52:43 pmTYS - ONT
2 stops9h 57mAmerican Airlines
Tue 6/112:44 pmONT - TYS
1 stop6h 40mAmerican Airlines
Deal found 5/29$422
Thu 6/611:23 amTYS - ONT
2 stops14h 24mDelta
Sun 6/910:00 pmONT - TYS
1 stop8h 22mDelta
Deal found 5/28$423
Wed 6/52:43 pmTYS - ONT
2 stops9h 57mAmerican Airlines
Tue 6/1111:59 pmONT - TYS
2 stops9h 15mAmerican Airlines
Deal found 5/29$460
Tue 6/412:38 pmTYS - ONT
1 stop9h 21mAmerican Airlines
Fri 6/712:49 pmONT - TYS
1 stop8h 35mAmerican Airlines
Deal found 5/30$472
Tue 6/45:19 amTYS - ONT
2 stops9h 33mAmerican Airlines
Fri 6/72:44 pmONT - TYS
1 stop6h 40mAmerican Airlines
Deal found 5/30$477
Thu 6/611:06 amTYS - ONT
2 stops10h 31mAmerican Airlines
Sun 6/97:26 pmONT - TYS
2 stops10h 10mAmerican Airlines
Deal found 5/28$521
Sun 6/96:11 pmTYS - ONT
1 stop7h 48mAmerican Airlines
Fri 6/142:44 pmONT - TYS
1 stop6h 40mAmerican Airlines
Deal found 5/29$562

One-way flights to Ontario from Knoxville

Search for one-way flight options from Knoxville to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 30, 2024.
Users in need of a one-way flight from Knoxville to Ontario can choose from these deals. Users needing a return flight from Knoxville to Ontario should utilize the search form above.
Wed 6/57:47 pmTYS - ONT
1 stop7h 02mFrontier
Deal found 5/28$90
Mon 6/1010:41 pmTYS - ONT
1 stop11h 46mFrontier
Deal found 5/29$96
Mon 8/196:17 pmTYS - ONT
1 stop21h 15mFrontier
Deal found 5/29$100
Wed 8/77:48 pmTYS - ONT
1 stop6h 51mFrontier
Deal found 5/29$110
Fri 8/165:42 pmTYS - ONT
1 stop8h 57mFrontier
Deal found 5/28$119
Sat 8/310:03 pmTYS - ONT
1 stop28h 56mFrontier
Deal found 5/29$120
Mon 8/510:40 pmTYS - ONT
1 stop11h 47mFrontier
Deal found 5/29$124
Wed 6/197:47 pmTYS - ONT
1 stop7h 02mFrontier
Deal found 5/30$129
Tue 8/65:00 pmTYS - ONT
1 stop8h 57mDelta
Deal found 5/29$138

Find flights from Knoxville to Ontario within your budget

Customize your flight search to find flights from Knoxville to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$190 - $408

Route

Depart

Return

Price

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sat 8/17

1 stop9h 04m

Ontario

Tue 8/20

1 stop24h 45m

$190

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 7/3

1 stop7h 02m

Ontario

Sun 7/7

1 stop17h 41m

$227

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sat 8/17

2 stops9h 43m

Ontario

Tue 8/20

1 stop7h 06m

$230

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Sat 8/17

2 stops9h 43m

Ontario

Tue 8/20

2 stops9h 01m

$235

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Wed 7/3

1 stop7h 02m

Ontario

Mon 7/8

1 stop11h 21m

$245

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 8/16

1 stop7h 03m

Ontario

Sun 8/18

1 stop6h 45m

$278

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 6/28

1 stop28h 16m

Ontario

Thu 7/4

1 stop17h 37m

$286

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Fri 9/27

1 stop7h 26m

Ontario

Sun 9/29

1 stop9h 07m

$368

Knoxville McGhee TysonOntario

TYS - ONT

TYSONT

Knoxville McGhee Tyson

Tue 7/9

1 stop7h 48m

Ontario

Sun 7/14

1 stop8h 17m

$408

Flights are sorted by cheapest first

Deals found on 5/30

How far ahead should I book a flight from Knoxville to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Ontario. Price data was last updated on May 24, 2024.
The best time to book flights from Knoxville to Ontario is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Ontario. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Knoxville to Ontario flight should consider departing on Saturday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Knoxville to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Knoxville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated May 30, 2024.
To help decide which airline to fly from Knoxville to Ontario, see what other customers have to say about Frontier, American Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,201 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,457 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

United Airlines
7.4
Good
10,777 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,284 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Frontier
6.3
Okay
4,009 reviews
Alaska Airlines
8.1
Very good
9,201 reviews
Check prices

Food

7.3

Overall

8.1

Boarding

8.2

Comfort

7.9

Entertainment

7.3

Crew

8.6

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Knoxville to Ontario for under $200 on Cheapflights?

    Yes, there are multiple flights from Knoxville to Ontario for under $200. The cheapest flight booked recently is on Frontier for just $190, but on average you can expect to pay $306.

  • Are there last-minute flights available from Knoxville to Ontario for under $500?

    There are currently 20+ open flights from Knoxville to Ontario within the next 7 days for less than $500.

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

    Currently priced at $190, 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 $230 and $278, respectively. These flights start at 61% 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 $90. Users have also found prices from $138 and $268 on Delta and American Airlines, respectively.

  • What does TYS to ONT mean?

    This is defined as Knoxville McGhee Tyson Airport (TYS) and Ontario Airport (ONT). Codes like Ontario Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Knoxville to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Knoxville to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Knoxville to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Knoxville to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Knoxville to Ontario that include hotel bookings?

    Yes. In addition to deals on Knoxville to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Ontario.

  • Can I find deals for business class flights from Knoxville to Ontario?

    Yes. Cheapflights offers flight deals from Knoxville to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Knoxville to Ontario that allow pets onboard?

    Many airlines flying from Knoxville to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Knoxville to Ontario?

    Yes, you can often find last-minute deals on Knoxville to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Knoxville to Ontario flight deals updated?

    The Knoxville to Ontario flight deals you see on this page were last updated on 5/30.

  • 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 is the cheapest month to book a flight from Knoxville to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Knoxville to Ontario (average of $238). Flying from Knoxville to Ontario in July is currently the most expensive (average of $328). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Knoxville to Ontario
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Top 4 airlines flying from Knoxville to Ontario

Discover the top 4 airlines that operate flights from Knoxville to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,765,679 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$238Average$365FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$275Average$444FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$327Average$488FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$394Average$487FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Knoxville to Ontario by cabin class

Find flights from Knoxville to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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