Cheap flights from Puerto Rico to Knoxville from $158
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to Knoxville departing on 7/31. 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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American Airlines flights from Puerto Rico to Knoxville
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How to get the cheapest flight ticket from Puerto Rico to Knoxville
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 Knoxville?
The month of September is, on average, the cheapest month to fly to Knoxville from Puerto Rico, with most prices found around $312. If you aren’t able to travel during the month of September, then book flights to Knoxville from Puerto Rico during January instead. Flights to Knoxville in January, while not as cheap as those in September, still average around $346.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart from Puerto Rico to Knoxville is on a Monday. Travelers who choose to depart for Knoxville on a Monday will often find tickets for as low as $394. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Puerto Rico to Knoxville for around $592.
What is the cheapest time of day to depart on your flight to Knoxville?
In the evening is the cheapest time of day to fly from Puerto Rico to Knoxville when you can find flight prices for as low as $282. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the afternoon when prices are around $524.
How far in advance should I book a flight to Knoxville?
You are more likely to see cheaper flights to Knoxville from Puerto Rico when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $486 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Puerto Rico for as low as $325 on momondo.
Cheap Puerto Rico to Knoxville flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Puerto Rico to Knoxville
When did momondo last update prices for flights from Puerto Rico to Knoxville McGhee Tyson Airport?
Prices for flights from Puerto Rico to Knoxville McGhee Tyson Airport are updated daily.
How many operators does momondo search for flights from Puerto Rico to Knoxville McGhee Tyson Airport?
As of June 2025, there are 2 operators available to choose from for flights from Puerto Rico to Knoxville McGhee Tyson Airport.
How old do you have to be to fly from Puerto Rico to Knoxville McGhee Tyson Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Puerto Rico to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The required travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Puerto Rico to Knoxville
Compare and see reviews for airlines that fly from Puerto Rico to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $294 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $334 | Free Cancellation | Rating 7.2 10,000 reviews |
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Why should I use momondo to find a flight deal from Puerto Rico to Knoxville?
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 Puerto Rico to Knoxville for you.
Can I find flights from Puerto Rico to Knoxville with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Puerto Rico to Knoxville flights to just show those with flexible booking policies.
How can momondo help me find flights from Puerto Rico to Knoxville?
momondo provides multiple filters to help you find the best flight to Knoxville from Puerto Rico. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Puerto Rico to Knoxville right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Puerto Rico to Knoxville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.