HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$220+ Cheap flights from Buffalo to Knoxville (BUF - 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — TYS
Apr 16 — Apr 231
Wed 4/16
Wed 4/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buffalo to Knoxville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Buffalo to Knoxville McGhee Tyson are usually found in September or February, booked 32 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from Buffalo to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

Popular in

June

Cheapest in

September

Average price

$373
Provider with most accurate pricing for Buffalo-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Buffalo-Knoxville McGhee Tyson flights.
Search Deals
From Buffalo to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Buffalo to Knoxville

Cheapest flights from Buffalo to Knoxville
Explore the most affordable flight options available from Buffalo to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

This Delta deal was found by Cheapflights users on 4/8. 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.
Wed 5/286:00 amBUF - TYS
1 stop3h 40mDelta
Thu 6/55:45 amTYS - BUF
1 stop5h 15mDelta
Deal found 4/8$243
This American Airlines deal was found by Cheapflights users on 4/9. 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.
Fri 4/257:19 pmBUF - TYS
1 stop4h 26mAmerican Airlines
Fri 5/25:30 pmTYS - BUF
1 stop5h 15mAmerican Airlines
Deal found 4/9$254
This United Airlines deal was found by Cheapflights users on 4/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/117:55 pmBUF - TYS
1 stop4h 04mUnited Airlines
Wed 6/187:00 amTYS - BUF
2 stops7h 09mUnited Airlines
Deal found 4/9$369

Cheapflights Fare Finder

Customize your flight search to find flights from Buffalo 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 April 11, 2025.
Use the filters below to find and compare flights from Buffalo to Knoxville that are best for you.

Fly from

Buffalo

Fly to

Knoxville

Route

Depart

Return

Price

BuffaloKnoxville

BUF - TYS

BUFTYS

Buffalo

Wed 5/28

6:00 am-9:40 am

1 stop3h 40m

Knoxville McGhee Tyson

Thu 6/5

5:45 am-11:00 am

1 stop5h 15m

$243

BuffaloKnoxville

BUF - TYS

BUFTYS

Buffalo

Fri 4/25

7:19 pm-11:45 pm

1 stop4h 26m

Knoxville McGhee Tyson

Fri 5/2

5:30 pm-10:45 pm

1 stop5h 15m

$254

BuffaloKnoxville

BUF - TYS

BUFTYS

Buffalo

Wed 6/11

7:55 pm-11:59 pm

1 stop4h 04m

Knoxville McGhee Tyson

Wed 6/18

7:00 am-2:09 pm

2 stops7h 09m

$369

BuffaloKnoxville

BUF - TYS

BUFTYS

Buffalo

Fri 5/9

5:17 am-9:35 am

1 stop4h 18m

$220

BuffaloKnoxville

BUF - TYS

BUFTYS

Buffalo

Fri 5/9

5:57 pm-8:06 pm

2 stops26h 09m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Compare providers for flights from Buffalo 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 Buffalo to Knoxville in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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 Buffalo-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Buffalo-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 Buffalo-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 Buffalo to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Buffalo 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 Buffalo to Knoxville

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

Use this chart to determine the optimal time to book a round-trip flight from Buffalo to Knoxville. Price data was last updated on April 4, 2025.

Booking 32 days in advance of your planned departure date is, on average, the best time to get cheap flights from Buffalo to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Buffalo to Knoxville (average of $296). Flying from Buffalo to Knoxville in March is currently the most expensive (average of $376). 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.

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

Find hourly flight availability from Buffalo to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

It’s typically best to fly out from Buffalo to Knoxville in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 April 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Buffalo to Knoxville by reading reviews from past customers. 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
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,910 reviews
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,636 reviews
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,910 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

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

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

    Our cheapest airline available from Buffalo to Knoxville is Delta. Our recent data shows that you can find tickets from as low as $249 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $254 and $274 round-trip. Delta is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Buffalo 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 Buffalo to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from Buffalo to Knoxville (average of $296). Flying from Buffalo to Knoxville in March is currently the most expensive (average of $376). 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
Murphy

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Nashville flights
LaGuardia to Nashville flights
Newark to Nashville flights
Newark to Memphis flights
LaGuardia to Knoxville flights
LaGuardia to Memphis flights
John F Kennedy Intl to Memphis flights
John F Kennedy Intl to Knoxville flights
Rochester to Nashville flights
Buffalo to Nashville flights
Newark to Chattanooga flights
White Plains to Nashville flights
Stewart to Nashville flights
John F Kennedy Intl to Chattanooga flights
LaGuardia to Chattanooga flights
Albany to Nashville flights
Newark to Knoxville flights
Syracuse to Nashville flights
Syracuse to Knoxville flights
Albany to Memphis flights
Islip to Nashville flights
Stewart to Knoxville flights
Albany to Knoxville flights
White Plains to Memphis flights
Ithaca to Nashville flights
Rochester to Knoxville flights
Syracuse to Memphis flights
Stewart to Memphis flights
Syracuse to Chattanooga flights
White Plains to Knoxville flights
Albany to Chattanooga flights
Buffalo to Memphis flights
Elmira to Nashville flights
Buffalo to Chattanooga flights
Ithaca to Knoxville flights
Rochester to Chattanooga flights
Rochester to Blountville flights
Binghamton to Nashville flights
Rochester to Memphis flights
Newark to Blountville flights
Stewart to Chattanooga flights
John F Kennedy Intl to Blountville flights
LaGuardia to Blountville flights
Syracuse to Blountville flights
Buffalo to Blountville flights
White Plains to Chattanooga flights
Rutland to Nashville flights
Plattsburgh to Nashville flights
Saranac Lake to Nashville flights

Top 3 airlines flying from Buffalo to Knoxville

Discover the top 3 airlines that operate flights from Buffalo 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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$208Average$308FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$222Average$354FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.