$204 Cheap Flights from Phoenix (PHX) to Tri-Cities (TRI)

View $204 flight on Sat, Dec 6, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $204 for one-way flights and $369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Mar 17 - Tue, Mar 31
PHX
Phoenix
TRI
Tri-Cities
$369 Roundtrip, found 3 hours ago
$369
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Mar 17 from Phoenix to Tri-Cities, returning Tue, Mar 31, priced at $369 found 3 hours ago
Delta
Wed, Mar 4 - Mon, Mar 16
PHX
Phoenix
TRI
Tri-Cities
$374 Roundtrip, found 3 hours ago
$374
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Mar 4 from Phoenix to Tri-Cities, returning Mon, Mar 16, priced at $374 found 3 hours ago
Delta
Thu, Jan 1 - Tue, Jan 13
PHX
Phoenix
TRI
Tri-Cities
$384 Roundtrip, found 5 hours ago
$384
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Jan 1 from Phoenix to Tri-Cities, returning Tue, Jan 13, priced at $384 found 5 hours ago
American Airlines
Wed, Feb 18 - Sun, Feb 22
PHX
Phoenix
TRI
Tri-Cities
$389 Roundtrip, found 4 hours ago
$389
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Feb 18 from Phoenix to Tri-Cities, returning Sun, Feb 22, priced at $389 found 4 hours ago
Delta
Tue, Jan 27 - Fri, Feb 13
PHX
Phoenix
TRI
Tri-Cities
$394 Roundtrip, found 5 hours ago
$394
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Jan 27 from Phoenix to Tri-Cities, returning Fri, Feb 13, priced at $394 found 5 hours ago
Delta
Fri, Mar 13 - Sat, Mar 14
PHX
Phoenix
TRI
Tri-Cities
$398 Roundtrip, found 5 days ago
$398
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Mar 13 from Phoenix to Tri-Cities, returning Sat, Mar 14, priced at $398 found 5 days ago
Delta
Sat, Apr 18 - Tue, Apr 28
PHX
Phoenix
TRI
Tri-Cities
$404 Roundtrip, found 3 hours ago
$404
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Apr 18 from Phoenix to Tri-Cities, returning Tue, Apr 28, priced at $404 found 3 hours ago
Delta
Wed, Mar 4 - Sat, Mar 14
PHX
Phoenix
TRI
Tri-Cities
$409 Roundtrip, found 5 hours ago
$409
Roundtrip
found 5 hours ago
Select Delta flight, departing Wed, Mar 4 from Phoenix to Tri-Cities, returning Sat, Mar 14, priced at $409 found 5 hours ago
American Airlines
Thu, Dec 4 - Sun, Dec 7
PHX
Phoenix
TRI
Tri-Cities
$410 Roundtrip, found 5 days ago
$410
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Dec 4 from Phoenix to Tri-Cities, returning Sun, Dec 7, priced at $410 found 5 days ago
Delta
Sun, Mar 8 - Tue, Mar 24
PHX
Phoenix
TRI
Tri-Cities
$414 Roundtrip, found 3 hours ago
$414
Roundtrip
found 3 hours ago
Select Delta flight, departing Sun, Mar 8 from Phoenix to Tri-Cities, returning Tue, Mar 24, priced at $414 found 3 hours ago

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.

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 $665
TRI
Tri-Cities Regional
Cheapest
Flights from $665

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI) cost?
Grab a cheap one-way flight from $204 or cheap return flight from $369 from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI)?
Flying in March is a great way to save, as it's the cheapest month for flights between PHX and TRI. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHX to TRI flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI)?
There aren't any daily nonstop flights available from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from PHX to TRI?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI)?
Book a flight from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI) last-minute?
Booking your ticket from PHX to TRI right before your trip is generally more expensive. But 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 PHX to TRI flight and hotel package?
Compared with arranging flights and hotels separately, booking a PHX to TRI flight and hotel package with Expedia could result in significant savings. Better still, having everything in one easy place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of stays, then personalize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Tri-Cities Regional Airport (TRI)?
In most cases, you're able to reschedule or cancel your PHX to TRI flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$368
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 March. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $204 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

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*Available to One Key members.