$199 Cheap Flights from Buffalo (BUF) to Tri-Cities (TRI)

View $199 flight on Sat, Aug 1, 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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Cheap Flights from Buffalo to Tri-Cities (BUF-TRI)

Prices were available within the past 7 days and start at $199 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 24 - Tue, Mar 31
BUF
Buffalo
TRI
Tri-Cities
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Mar 24 from Buffalo to Tri-Cities, returning Tue, Mar 31, priced at $249 found 2 days ago
Delta
Wed, Mar 18 - Wed, Mar 25
BUF
Buffalo
TRI
Tri-Cities
$254 Roundtrip, found 5 days ago
$254
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Mar 18 from Buffalo to Tri-Cities, returning Wed, Mar 25, priced at $254 found 5 days ago
Delta
Tue, Mar 24 - Fri, Apr 3
BUF
Buffalo
TRI
Tri-Cities
$284 Roundtrip, found 1 day ago
$284
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 24 from Buffalo to Tri-Cities, returning Fri, Apr 3, priced at $284 found 1 day ago
Delta
Tue, Apr 21 - Tue, May 5
BUF
Buffalo
TRI
Tri-Cities
$307 Roundtrip, found 3 hours ago
$307
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Apr 21 from Buffalo to Tri-Cities, returning Tue, May 5, priced at $307 found 3 hours ago
American Airlines
Wed, Mar 18 - Tue, Mar 31
BUF
Buffalo
TRI
Tri-Cities
$314 Roundtrip, found 3 hours ago
$314
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Mar 18 from Buffalo to Tri-Cities, returning Tue, Mar 31, priced at $314 found 3 hours ago
American Airlines
Mon, Mar 23 - Wed, Apr 1
BUF
Buffalo
TRI
Tri-Cities
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Mar 23 from Buffalo to Tri-Cities, returning Wed, Apr 1, priced at $314 found 2 days ago
Delta
Tue, Apr 21 - Thu, May 7
BUF
Buffalo
TRI
Tri-Cities
$317 Roundtrip, found 3 hours ago
$317
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Apr 21 from Buffalo to Tri-Cities, returning Thu, May 7, priced at $317 found 3 hours ago
American Airlines
Wed, Mar 18 - Wed, Apr 1
BUF
Buffalo
TRI
Tri-Cities
$319 Roundtrip, found 3 hours ago
$319
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Mar 18 from Buffalo to Tri-Cities, returning Wed, Apr 1, priced at $319 found 3 hours ago
Delta
Sat, Apr 11 - Mon, Apr 20
BUF
Buffalo
TRI
Tri-Cities
$327 Roundtrip, found 3 hours ago
$327
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Apr 11 from Buffalo to Tri-Cities, returning Mon, Apr 20, priced at $327 found 3 hours ago
American Airlines
Mon, Mar 9 - Tue, Mar 24
BUF
Buffalo
TRI
Tri-Cities
$334 Roundtrip, found 3 hours ago
$334
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Mon, Mar 9 from Buffalo to Tri-Cities, returning Tue, Mar 24, priced at $334 found 3 hours ago

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Alternative airports near Blountville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tri-Cities Regional TRI. Cheapest option available. Flights from $393
TRI
Tri-Cities Regional
Cheapest
Flights from $393

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) cost?
You can find cheap one-way flights from $199 and cheap return flights from $249 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) with Expedia. One-way flights typically cost between $183 and $600, and return flights often range between $422 and $1470. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The cheapest month to fly from BUF to TRI is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Enter BUF to TRI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
American Airlines offers one of the cheapest connecting flights from Buffalo Niagara Intl. (BUF) to Tri-Cities Regional (TRI), starting from around $601 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The earliest flight from Buffalo (BUF) to Tri-Cities (TRI) usually leaves at around 5:00 AM, operated by American Airlines. This seasonal service is available in November, and an early start can help you maximize your time in Tri-Cities. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
For flights from Buffalo Niagara International Airport (BUF) to Tri-Cities Regional Airport (TRI), the most popular departure times are in the early morning, from 6am to 9am. About 31% of passengers prefer this time window. Airlines like Delta Air Lines, American Airlines, and United Airlines operate flights during this period, making it a great option for early travelers.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Flights from BUF to TRI with one stop typically take around 6 hours, covering approximately 487 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
You can fly first class between BUF and TRI. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Tri-Cities from Buffalo Niagara Intl. (BUF)?
From Buffalo Niagara Intl. (BUF), you can fly into Tri-Cities Regional (TRI) to reach Tri-Cities. Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), LaGuardia (LGA) before reaching Tri-Cities. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Tri-Cities Regional
Roundtrip price
$248
Distance
486 mi

Book with confidence

Buffalo to Tri-Cities Flights

The cheapest times to fly from Buffalo to Tri-Cities

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Tri-Cities are during the month of March. You can find some of the cheapest flights from Buffalo to Tri-Cities with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Buffalo to Tri-Cities

Sunday is one of the best days to book for cheap flights from Buffalo to Tri-Cities: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Buffalo to Tri-Cities

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Tri-Cities in 2026. You can also book with separate airlines for your outbound and return journeys, from $199 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Tri-Cities flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Buffalo to Tri-Cities airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Buffalo to Tri-Cities Flights

*Flight schedules are subject to change.

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*Available to One Key members.