Cheap flights from Tri-Cities to Phoenix

Compare Tri-Cities to Phoenix flight deals

Find the cheapest month or even day of the year to fly to Phoenix

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Flight deals from Tri-Cities to Phoenix

Looking for a cheap last-minute deal or the best round-trip flight from Tri-Cities Airport to Phoenix? If you want to travel next month, round-trip fares start from $349. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Tri-Cities to Phoenix

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tri-Cities to Phoenix flights are currently cheapest in July.

Kingsport to Phoenix: Flight information

The things to know before you go.
Cheapest flight found$348
Cheapest month to flyOctober

Finding cheap flights from Tri-Cities to Phoenix: Frequently asked questions

There are 4 airports in Phoenix: Phoenix Sky Harbor, Phoenix Scottsdale Municipal, Phoenix-Deer Valley, and Phoenix-Mesa Gateway.
The best price we found for a round-trip flight from Tri-Cities to Phoenix is $348. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Tri-Cities to Phoenix. But we found flights with one or more stops from $348.
There are no flights flying from Tri-Cities to Phoenix, as of June 2026.
The cheapest month to fly from Tri-Cities to Phoenix is usually October.
If you're flying from Tri-Cities Airport, the cheapest airport near Phoenix is Phoenix Sky Harbor – which is 6.0 km away from the center of Phoenix. We've found flights to this airport from $348.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tri-Cities Airport to Phoenix on Thursday, October 29, 2026.
No airlines currently offer direct flights between Tri-Cities Airport and Phoenix. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Phoenix but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Phoenix is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 30°C. July is typically the warmest month in Phoenix, when it usually averages around 40°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging 4°C. The rainiest month is August.
Currently, Delta offers the cheapest flight tickets to Phoenix.

Traveling from Tri-Cities Regional Airport (TRI) to Phoenix: what you need to know

  • Tri-Cities Regional Airport is located in Kingsport. Based in the UTC-7 timezone, Phoenix is two hours behind Kingsport.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. That way, you won't have to rush to board your TRI to Phoenix flight.

  • Traveling during a peak month such as June? Major public holidays and other high seasons can lead to longer queues at check-in and security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • TRI is about 16 kilometers from central Kingsport. If you're driving, ride-sharing or catching a cab from the center, it'll take 15 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the journey time to be around 35 minutes.

  • Searching for a hotel close to TRI? If you're boarding an early flight from Tri-Cities Regional Airport to Phoenix, these accommodation options put the terminal practically at your doorstep:

  • Tri-Cities Regional Airport earns top marks for its on-time performance. 81% of flights that depart TRI arrive at their destination as scheduled.

  • TRI is located at 2525 Tennessee 75.

How to find the cheapest flights from Tri-Cities Regional Airport (TRI) to Phoenix

  • $139 is the lowest price we've found for a one-way Tri-Cities Regional Airport to Phoenix flight. A return plane ticket right now is $348. Depending on when you book and the availability, these fares can change.

  • To find cheap flights from TRI to Phoenix, book in advance. Airlines generally offer lower fares when flights first go on sale.

  • If you're willing to be flexible with your trip dates, take advantage of the 'Whole month' search tool. It'll give you the cheapest price across every month when searching for a Tri-Cities Regional Airport to Phoenix ticket.

  • There's no need to check back in every day to find out if fares have dropped when you set up a Price Alert. We'll let you know when there's an extra saving on cheap flights from TRI to Phoenix.

  • Save money on your flight from Tri-Cities Regional Airport to Phoenix with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Phoenix

Phoenix Sky Harbor International Airport (PHX)

  • Phoenix Sky Harbor International Airport (PHX) to central Phoenix takes about 10 minutes to reach by car. The center is roughly 5 kilometers away.

  • It typically takes 25 minutes if you're traveling by public transport.

  • If you're arriving on a late flight from Tri-Cities Regional Airport to Phoenix, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing not long after at one of these accommodation options near PHX:

  • Lock in the best possible rate by booking your vehicle from Phoenix Sky Harbor International Airport around one week before your flight from TRI to Phoenix.

  • You'll find PHX at 3400 Sky Harbor Boulevard.

Phoenix-Mesa Gateway Airport (AZA)

  • Phoenix-Mesa Gateway Airport (AZA) is around 32 kilometers from central Phoenix. Once you've disembarked your flight from Tri-Cities Regional Airport to Phoenix, it'll take you around 30 minutes to get to the heart of the city in a ride-share or cab.

  • The trip will take roughly 1 hour 15 minutes on public transport.

  • Hang up the 'Do not disturb' sign and rest at a hotel close to AZA. Here are a few options where you can put your feet up after your TRI to Phoenix flight:

  • Snap up a deal by booking your ride from AZA two weeks ahead of time. You'll also have access to a wider range of vehicles.

  • The address for Phoenix-Mesa Gateway Airport is 6033 S. Sossaman Rd..

Best time to go to Phoenix

  • October is the quietest month for flights from Tri-Cities Regional Airport to Phoenix, while March is the most popular. Work out the best time to visit Phoenix based on whether you prefer a laid-back vibe or a lively atmosphere.

  • Lock in a Tri-Cities Regional Airport to Phoenix plane ticket with a departure in July if you're eager to explore the city during its warmest month. Expect temperatures to range from 27ºC (81ºF) to 45ºC (113ºF).

  • Look for cheap tickets from TRI to Phoenix in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 4ºC (39ºF) and 21ºC (70ºF) on average.

More about Phoenix

Explore more of the United States

  • San Diego is just one of the many places in the United States waiting to be explored once you've taken in the sights of Phoenix. Around 483 kilometers away to the west, top sights here include San Diego Zoo, San Diego Balboa Park and USS Midway Museum.

  • If you're eager to discover another great destination in the United States, consider Las Vegas, roughly 418 kilometers northwest of Phoenix. Ciudad del Pecado o Las Vegas, Las Vegas Strip and Fountains of Bellagio are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.