Cheap flights from Knoxville to Phoenix from $64
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Phoenix departing on 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Knoxville to Phoenix Sky Harbor Intl Airport
Our best Frontier deals on Knoxville to Phoenix Sky Harbor Intl Airport flight tickets
American Airlines flights from Knoxville to Phoenix Sky Harbor Intl Airport
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How to get the cheapest flight ticket from Knoxville to Phoenix Sky Harbor Intl Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?
In general, January is the cheapest month to fly from Knoxville to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $214. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of January, then departing from Knoxville during the month July is also very affordable. Most momondo users find prices during this month for around $244.
What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?
On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Knoxville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $188. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $354. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.
What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?
In the morning is the cheapest time of day to fly from Knoxville to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $221. Flying to Phoenix Sky Harbor Intl Airport in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $300. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Knoxville McGhee Tyson to Phoenix Sky Harbor Intl flight route?
Fly from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl for the best Knoxville McGhee Tyson - Phoenix Sky Harbor Intl flight prices
How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?
You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Knoxville when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $345 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Knoxville for as low as $209 on momondo.
What cabin class options are available on Knoxville McGhee Tyson to Phoenix Sky Harbor Intl flights?
There are 1 cabin classes available to choose from on Knoxville McGhee Tyson to Phoenix Sky Harbor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl?
Allegiant Air, American Airlines, and Alaska Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Phoenix Sky Harbor Intl
What airlines fly to Phoenix Sky Harbor Intl Airport?
American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Phoenix Sky Harbor Intl Airport from Knoxville according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Phoenix Sky Harbor Intl Airport. Keep in mind that there are 5 different airlines that fly to Phoenix Sky Harbor Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Knoxville to Phoenix Sky Harbor Intl Airport on average per week?
As of June 2025, there are 2 flights per week flying from Knoxville to Phoenix Sky Harbor Intl Airport. The most common day of the week flights depart is Thu, with 50% of flights taking off on this day.
When to book flights from Knoxville to Phoenix Sky Harbor Intl Airport
Cheap Knoxville to Phoenix Sky Harbor Intl Airport (TYS to PHX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Phoenix Sky Harbor Intl Airport
How far is Knoxville McGhee Tyson to Phoenix Sky Harbor Intl by plane?
Knoxville McGhee Tyson and Phoenix Sky Harbor Intl are 1597.8 mi apart from one another. A reasonable flight in good conditions will take 3h 49m.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport were last updated today.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport?
As of June 2025, there are 5 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Phoenix Sky Harbor Intl Airport.
What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?
The necessary travel and health documents for your Phoenix Sky Harbor Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Knoxville to Phoenix Sky Harbor Intl Airport?
momondo data reveals that the most frequently booked plane model on the route from Knoxville to Phoenix Sky Harbor Intl Airport is Airbus A320-100/200, representing 92.52% of all bookings. The subsequent popular models are Airbus A321-100/200 at 1.87%, Airbus A319 at 0.93%, and Boeing 757 at 0.93%.
What is the most popular airline from Knoxville to Phoenix Sky Harbor Intl Airport?
Based on momondo bookings for flights between Knoxville and Phoenix Sky Harbor Intl Airport, the leading airline is Allegiant Air, making up 48% of the total bookings. Other popular airlines include American Airlines with 28%, Delta with 14%, and United Airlines with 7%.
Best airlines flying from Knoxville to Phoenix Sky Harbor Intl Airport
Compare and see reviews for airlines that fly from Knoxville to Phoenix Sky Harbor Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $117 | Free Cancellation | Rating 7.3 725 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $228 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $287 | Free Cancellation | Rating 7.2 10,000 reviews |
Allegiant Air Flights From Knoxville to Phoenix Sky Harbor Intl Airport
Allegiant Air flight deals from Knoxville to Phoenix Sky Harbor Intl Airport start from $117 round-trip. Over the 2 Allegiant Air flights for this route in a normal week, average airfare is usually $236 round-trip - but some users have found much cheaper deals with momondo.
Traveling to a place near Phoenix?
Book flights to Phoenix if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Knoxville to Phoenix?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Phoenix for you.
Can I find flights from Knoxville to Phoenix with flexible booking policies on momondo?
momondo does allow users to show only those flights to Phoenix from Knoxville which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Knoxville to Phoenix?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Phoenix from Knoxville.
I’m not ready to book a flight from Knoxville to Phoenix right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Knoxville to Phoenix flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.