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$100+ Cheap flights from Oklahoma City to Knoxville (OKC - TYS)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — TYS
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap flight deals from Oklahoma City to Knoxville

Cheapest flights from Oklahoma City to Knoxville
Explore the most affordable flight options available from Oklahoma City to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This Frontier deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/28:30 pm
OKC
-
TYS
1 stop17h 58m
Frontier
Fri 4/104:20 pm
TYS
-
OKC
1 stop28h 25m
Frontier
Deal found 2/15$189
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:20 pm
OKC
-
TYS
1 stop5h 27m
Delta
Sat 9/124:00 pm
TYS
-
OKC
1 stop5h 31m
Delta
Deal found 2/16$199
This Southwest deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/113:25 pm
OKC
-
TYS
1 stop3h 40m
Southwest
Tue 3/176:35 am
TYS
-
OKC
2 stops6h 20m
Southwest
Deal found 2/15$204
This Southwest deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:55 am
OKC
-
TYS
2 stops7h 10m
Southwest
Wed 6/242:45 pm
TYS
-
OKC
2 stops9h 10m
Southwest
Deal found 2/17$209
This Kiwi.com deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:30 pm
OKC
-
TYS
1 stop17h 55m
Frontier
Mon 3/94:20 pm
TYS
-
OKC
1 stop28h 25m
Frontier
Deal found 2/18$246
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:00 am
OKC
-
TYS
1 stop4h 10m
American Airlines
Tue 3/174:29 pm
TYS
-
OKC
1 stop5h 49m
American Airlines
Deal found 2/17$256
This Southwest deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:45 am
OKC
-
TYS
2 stops10h 45m
Southwest
Sat 5/26:40 am
TYS
-
OKC
2 stops8h 05m
Southwest
Deal found 2/16$261
This American Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:00 am
OKC
-
TYS
1 stop6h 30m
American Airlines
Wed 4/226:54 pm
TYS
-
OKC
1 stop6h 01m
American Airlines
Deal found 2/17$278
This American Airlines deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:35 pm
OKC
-
TYS
1 stop4h 53m
American Airlines
Sat 3/146:21 pm
TYS
-
OKC
1 stop6h 34m
American Airlines
Deal found 2/14$282
This Southwest deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:00 am
OKC
-
TYS
1 stop3h 40m
Southwest
Wed 4/222:55 pm
TYS
-
OKC
2 stops8h 05m
Southwest
Deal found 2/17$283
This Southwest deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:45 am
OKC
-
TYS
1 stop9h 00m
Southwest
Tue 6/162:45 pm
TYS
-
OKC
2 stops9h 10m
Southwest
Deal found 2/16$289

Find flight deals from Oklahoma City to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Oklahoma City (OKC) to Knoxville (TYS). 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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(Frontier)

One-way from

$100
(American Airlines)

Popular in

December

Cheapest in

April

Average price

$358
Provider with most accurate pricing for Oklahoma City Will Rogers World-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Knoxville McGhee Tyson flights.
Search Deals
From Oklahoma City Will Rogers World to Knoxville McGhee Tyson
Search Deals
One-way flight from Oklahoma City Will Rogers World to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oklahoma City to Knoxville 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 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from Oklahoma City to Knoxville that are best for you.

Fly from

Oklahoma City

Fly to

Knoxville

Route

Depart

Return

Price

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Thu 4/2

8:30 pm-3:28 pm

1 stop17h 58m

Knoxville McGhee Tyson

Fri 4/10

4:20 pm-7:45 pm

1 stop28h 25m

$189

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Sat 4/25

6:03 pm-11:55 pm

1 stop4h 52m

Knoxville McGhee Tyson

Sat 5/2

6:54 pm-11:55 pm

1 stop6h 01m

$199

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Wed 3/11

3:25 pm-8:05 pm

1 stop3h 40m

Knoxville McGhee Tyson

Tue 3/17

6:35 am-11:55 am

2 stops6h 20m

$204

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Thu 3/5

8:30 pm-3:25 pm

1 stop17h 55m

Knoxville McGhee Tyson

Mon 3/9

4:20 pm-7:45 pm

1 stop28h 25m

$246

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Sat 4/25

6:45 am-6:30 pm

2 stops10h 45m

Knoxville McGhee Tyson

Sat 5/2

3:55 pm-8:45 pm

1 stop5h 50m

$256

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Wed 3/11

5:00 am-10:10 am

1 stop4h 10m

Knoxville McGhee Tyson

Tue 3/17

4:29 pm-9:18 pm

1 stop5h 49m

$256

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Sun 4/19

5:00 am-12:30 pm

1 stop6h 30m

Knoxville McGhee Tyson

Wed 4/22

6:54 pm-11:55 pm

1 stop6h 01m

$278

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Sat 3/7

6:35 pm-12:28 am

1 stop4h 53m

Knoxville McGhee Tyson

Sat 3/14

6:21 pm-11:55 pm

1 stop6h 34m

$282

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Sun 4/19

7:00 am-11:40 am

1 stop3h 40m

Knoxville McGhee Tyson

Wed 4/22

2:55 pm-10:00 pm

2 stops8h 05m

$283

Oklahoma CityKnoxville

OKC - TYS

OKCTYS

Oklahoma City Will Rogers World

Wed 4/15

5:00 am-12:30 pm

1 stop6h 30m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 15 results
1
2

Compare providers for flights from Oklahoma City to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oklahoma City to Knoxville in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oklahoma City-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oklahoma City-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oklahoma City-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oklahoma City-Knoxville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oklahoma City-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Oklahoma City to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Oklahoma City 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.

Cheapflights Insights

Everything you need to know about your flight from Oklahoma City to Knoxville

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

Use this chart to determine the optimal time to book a round-trip flight from Oklahoma City to Knoxville. Price data was last updated on February 13, 2026.

The best time to book flights from Oklahoma City to Knoxville is 89 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.

What is the cheapest month to book a flight from Oklahoma City to Knoxville?

Currently, November is the cheapest month in which you can book a flight from Oklahoma City to Knoxville (average of $128). Flying from Oklahoma City to Knoxville in August is currently the most expensive (average of $253). 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.

How much does it cost to fly round-trip from Oklahoma City to Knoxville?

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated February 18, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Oklahoma City to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,208 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,208 reviews
Delta
7.9
Good
8,208 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,315 reviews
Delta
7.9
Good
8,208 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,307 reviews
Delta
7.9
Good
8,208 reviews

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Oklahoma City to Knoxville?

    For as low as $204, Frontier can have you in Knoxville from Oklahoma City in 3h 40m. Airlines will cover a distance of 764 mi. This flight may include one or multiple stops.

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

    According to our current data, American Airlines ($198), Delta ($198), and United Airlines ($245) offers the cheapest pricing from Oklahoma City to Knoxville. These flights start at 48% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Oklahoma City to Knoxville?

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

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

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

  • What is the cheapest month to book a flight from Oklahoma City to Knoxville?

    Currently, November is the cheapest month in which you can book a flight from Oklahoma City to Knoxville (average of $128). Flying from Oklahoma City to Knoxville in August is currently the most expensive (average of $253). 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

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Oklahoma City to Knoxville

Discover the top 3 airlines that operate flights from Oklahoma City to Knoxville. 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 2,558,603 searches. Data last updated February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$439FlexibilityNo cancel feeOn-time71%
DeltaCheapest$198Average$313FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$344FlexibilityNo cancel feeOn-time69%

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