$236 Cheap Flights from Phoenix (PHX) to Tri-Cities (TRI)

View $236 flight on Tue, May 19, 2026Opens in a new window

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Tri-Cities, TN (TRI-Tri-Cities Regional)

Cheap Flights from Phoenix to Tri-Cities (PHX-TRI)

Prices were available within the past 7 days and start at $236 for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, May 13 - Sat, May 16
PHX
Phoenix
TRI
Tri-Cities
$349 Roundtrip, found 1 hour ago
$349
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, May 13 from Phoenix to Tri-Cities, returning Sat, May 16, priced at $349 found 1 hour ago
Delta
Wed, May 13 - Sat, May 16
PHX
Phoenix
TRI
Tri-Cities
$349 Roundtrip, found 1 hour ago
$349
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, May 13 from Phoenix to Tri-Cities, returning Sat, May 16, priced at $349 found 1 hour ago
American Airlines
Sat, Sep 26 - Tue, Sep 29
PHX
Phoenix
TRI
Tri-Cities
$369 Roundtrip, found 23 hours ago
$369
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sat, Sep 26 from Phoenix to Tri-Cities, returning Tue, Sep 29, priced at $369 found 23 hours ago
Delta
Wed, Apr 1 - Sat, Apr 18
PHX
Phoenix
TRI
Tri-Cities
$374 Roundtrip, found 6 days ago
$374
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Apr 1 from Phoenix to Tri-Cities, returning Sat, Apr 18, priced at $374 found 6 days ago
Delta
Wed, May 13 - Sat, May 16
PHX
Phoenix
TRI
Tri-Cities
$384 Roundtrip, found 1 hour ago
$384
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, May 13 from Phoenix to Tri-Cities, returning Sat, May 16, priced at $384 found 1 hour ago
American Airlines
Sat, Apr 4 - Tue, Apr 7
PHX
Phoenix
TRI
Tri-Cities
$399 Roundtrip, found 3 days ago
$399
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Apr 4 from Phoenix to Tri-Cities, returning Tue, Apr 7, priced at $399 found 3 days ago
Delta
Sat, Apr 4 - Sat, Apr 18
PHX
Phoenix
TRI
Tri-Cities
$404 Roundtrip, found 6 days ago
$404
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Apr 4 from Phoenix to Tri-Cities, returning Sat, Apr 18, priced at $404 found 6 days ago
Delta
Thu, May 28 - Thu, Jun 18
PHX
Phoenix
TRI
Tri-Cities
$414 Roundtrip, found 6 days ago
$414
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, May 28 from Phoenix to Tri-Cities, returning Thu, Jun 18, priced at $414 found 6 days ago
Delta
Tue, Apr 7 - Mon, Apr 20
PHX
Phoenix
TRI
Tri-Cities
$417 Roundtrip, found 6 days ago
$417
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Apr 7 from Phoenix to Tri-Cities, returning Mon, Apr 20, priced at $417 found 6 days ago
United
Fri, Sep 4 - Mon, Sep 7
PHX
Phoenix
TRI
Tri-Cities
$785 Roundtrip, found 2 days ago
$785
Roundtrip
found 2 days ago
Select United flight, departing Fri, Sep 4 from Phoenix to Tri-Cities, returning Mon, Sep 7, priced at $785 found 2 days ago

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 $349
TRI
Tri-Cities Regional
Cheapest
Flights from $349

Find the cheapest month to fly from Phoenix (PHX) to Blountville (TRI)

August is typically the cheapest month to fly

From $348 - $571 per traveler.

Frequently asked questions

How much does a flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) cost?
You can find cheap one-way flights from $236 and cheap return flights from $349 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) with Expedia. One-way flights typically cost between $381 and $1021, and return flights often range between $471 and $1600. 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 Phoenix, AZ (PHX-Sky Harbor 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
August is the cheapest month to fly from Phoenix (PHX) to Tri-Cities (TRI), with average round-trip fares around $393. This price is about 30% lower than the average for the year, as travel demand tends to decrease after the summer. Other economical months to consider are January and July.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Enter PHX to TRI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from Phoenix, AZ (PHX) to Tri-Cities, TN (TRI) with return tickets starting from around $289. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
To find a cheap flight from Phoenix, AZ (PHX-Sky Harbor 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
For flights from Phoenix (PHX) to Tri-Cities (TRI), the best months to fly are July and August, with average return flight prices around $393. These months offer a good mix of price and availability, making it easier for you to plan your trip.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The earliest flight from Phoenix (PHX-Sky Harbor Intl.) to Tri-Cities (TRI-Tri-Cities Regional) typically departs at around 12:15 AM, operated by American Airlines. This seasonal service is available in October, allowing you to start your journey in the early hours. 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The most popular departure times for flights from Phoenix, AZ (PHX) to Tri-Cities, TN (TRI) are in the early morning, from 6am to 9am. About 40% of passengers prefer this time window. Many major carriers, including American Airlines and Delta Airlines, offer flights during this window. This timing is popular as it allows you to arrive in Tri-Cities with a full day ahead of you.
How long does it take to fly from Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
A flight from PHX to TRI with a layover takes around 6 hours 20 minutes, with the route covering approximately 1,683 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
First class seats are offered on the PHX to TRI route with American Airlines and Delta Air Lines.
How do I earn miles on a Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight with Expedia?
It's easy to earn miles on a Phoenix, AZ (PHX-Sky Harbor 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 Sky Harbor Intl. (PHX)?
If you're planning to travel to Tri-Cities from Sky Harbor Intl. (PHX), you can fly into Tri-Cities Regional (TRI) Some flights may connect through major hubs like O'Hare Intl. (ORD), George Bush Intercontinental (IAH), Denver Intl. (DEN) 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) at the last minute?
Typically, booking a last minute flight from Phoenix, AZ (PHX-Sky Harbor 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight and hotel package?
Securing a Phoenix, AZ (PHX-Sky Harbor 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 Phoenix, AZ (PHX-Sky Harbor Intl.) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
If you booked your Phoenix, AZ (PHX-Sky Harbor 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
Sky Harbor Intl.
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$348
Distance
1682 mi

Book with confidence

Phoenix to Tri-Cities Flights

The cheapest times to fly from Phoenix 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 Phoenix to Tri-Cities are during the month of May. You can find some of the cheapest flights from Phoenix to Tri-Cities with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Phoenix 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 Phoenix 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 Phoenix to Tri-Cities in 2026. You can also book with separate airlines for your outbound and return journeys, from $236 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 Phoenix 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 Phoenix 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.

 

Phoenix to Tri-Cities Flights

*Flight schedules are subject to change.

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*Available to One Key members.