$102 Cheap United flights from Knoxville to Buffalo (TYS to BUF)

Find The Best Day To Fly from Knoxville to Buffalo

Amazing United TYS to BUF Flight Deals

The cheapest flights to Buffalo Niagara Intl. found within the past 7 days were $252 round trip and $102 one way. Prices and availability subject to change. Additional terms may apply.

Wed, Aug 13 - Wed, Aug 20
TYS
Knoxville
BUF
Buffalo
$252 Roundtrip, found 1 hour ago
$252
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Aug 13 from Knoxville to Buffalo, returning Wed, Aug 20, priced at $252 found 1 hour ago
Wed, Aug 13 - Wed, Aug 20
TYS
Knoxville
BUF
Buffalo
$260 Roundtrip, found 1 hour ago
$260
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Aug 13 from Knoxville to Buffalo, returning Wed, Aug 20, priced at $260 found 1 hour ago
Fri, Aug 15 - Mon, Aug 25
TYS
Knoxville
BUF
Buffalo
$278 Roundtrip, found 2 days ago
$278
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 15 from Knoxville to Buffalo, returning Mon, Aug 25, priced at $278 found 2 days ago
Tue, Aug 12 - Wed, Sep 3
TYS
Knoxville
BUF
Buffalo
$281 Roundtrip, found 2 days ago
$281
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 12 from Knoxville to Buffalo, returning Wed, Sep 3, priced at $281 found 2 days ago
Tue, Aug 12 - Wed, Sep 3
TYS
Knoxville
BUF
Buffalo
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 12 from Knoxville to Buffalo, returning Wed, Sep 3, priced at $286 found 2 days ago
Wed, Aug 13 - Wed, Aug 20
TYS
Knoxville
BUF
Buffalo
$288 Roundtrip, found 1 hour ago
$288
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Aug 13 from Knoxville to Buffalo, returning Wed, Aug 20, priced at $288 found 1 hour ago

Frequently asked questions

Can I catch a flight from McGhee Tyson Airport (TYS) to Buffalo Niagara Intl. Airport (BUF) right now?
It's always prudent to find out about any travel advice reports and quarantine requirements in effect in your destination. Ensure you visit the Covid-19 Travel Advisor for up-to-date information on flying to BUF.
What terminal is United Airlines at Knoxville Airport?
As soon as you get your boarding pass for your United Airlines flight from TYS to Buffalo Niagara International Airport, check if the terminal details are printed on it. If not, you might like to get in touch with your carrier. They'll be able to let you know exactly where you'll be flying into and out of.
Are there United Airlines non-stop flights from TYS to BUF?
United Airlines doesn't fly direct between Knoxville Airport and Buffalo Niagara Intl. Airport (BUF), so prepare to make a stopover. If you've got time between flights, hit the airport shops while waiting for your connection.
How long is a United Airlines flight from TYS to BUF?
Your United Airlines flight will get you from TYS to Buffalo Niagara International Airport in around 3 hours and 57 minutes. If you're not too fond of conversing with fellow travelers while you're miles in the air, don't fret --- you won't have to shoot the breeze for too long.
How many direct and indirect flights does United Airlines fly from TYS to BUF?
If you need to lock in a trip from TYS to BUF, you can pick from approximately 4 United Airlines flights daily.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Buffalo Niagara International Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Knoxville TYS to Buffalo BUF 

To find the best deals on flights to Knoxville from Buffalo with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Knoxville TYS to Buffalo BUF with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $252 to $288, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Knoxville TYS to Buffalo BUF 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Knoxville to Buffalo costs from $102. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Buffalo BUF from  Knoxville TYS with United 

To find a cheap United flight from Knoxville TYS to Buffalo BUF, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Knoxville TYS to Buffalo BUF 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover. 

 

Find nonstop flights from Knoxville TYS to Buffalo BUF with United 

If you’re keen to be on Buffalo soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Knoxville TYS to Buffalo BUF 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Buffalo BUF from  Knoxville TYS with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.