$121 Find Cheap Flights from Puerto Rico to Knoxville

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Knoxville departing on 12/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Knoxville

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Knoxville, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Knoxville, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$309
Overall average: $592
Multiple Airlines
Thu 12/18Sat 1/3
SJU - TYS • 1 stop
Cheapest one-way
$121
Typical prices: $235-$278
Multiple Airlines
Sun 12/21
SJU - TYS • 1 stop
When to travel
January
Cheapest • 26% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Knoxville!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Puerto Rico to Knoxville

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Puerto Rico to Knoxville that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Puerto Rico to Knoxville

Thu, Dec 18 - Sat, Jan 3
Multiple Airlines Logo
5:23 pm - 10:42 pmSJU-TYS
6h 19m1 stop
Multiple Airlines Logo
2:23 pm - 1:20 amTYS-SJU
9h 57m1 stop
$309Multiple Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 3
Multiple Airlines Logo
4:08 pm - 4:38 pmSJU-TYS
25h 30m1 stop
Multiple Airlines Logo
12:53 pm - 12:32 pmTYS-SJU
22h 39m1 stop
$338Multiple Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 3
Multiple Airlines Logo
11:55 am - 10:52 pmSJU-TYS
11h 57m2 stops
Multiple Airlines Logo
12:53 pm - 8:27 pmTYS-SJU
6h 34m1 stop
$348Multiple Airlines
Find Deal
Fri, Jan 30 - Mon, Feb 2
American Airlines Logo
8:20 am - 1:54 pmSJU-TYS
6h 34m1 stop
American Airlines Logo
6:00 am - 3:04 pmTYS-SJU
8h 04m1 stop
$365American Airlines
Find Deal
Fri, Jan 23 - Sun, Jan 25
American Airlines Logo
5:51 pm - 11:59 pmSJU-TYS
7h 08m1 stop
American Airlines Logo
5:36 pm - 10:48 amTYS-SJU
16h 12m1 stop
$372American Airlines
Find Deal
Thu, Nov 13 - Sat, Nov 15
Multiple Airlines Logo
10:39 pm - 1:12 pmSJU-TYS
15h 33m1 stop
Multiple Airlines Logo
10:54 am - 5:19 pmTYS-SJU
29h 25m1 stop
$385Multiple Airlines
Find Deal
Thu, Jan 15 - Mon, Jan 19
American Airlines Logo
4:49 pm - 11:59 pmSJU-TYS
8h 10m1 stop
American Airlines Logo
6:20 am - 6:22 pmTYS-SJU
11h 02m1 stop
$405American Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
7:07 am - 3:46 pmSJU-TYS
9h 39m1 stop
American Airlines Logo
6:20 am - 11:59 pmTYS-SJU
16h 39m1 stop
$413American Airlines
Find Deal
Thu, Jan 22 - Tue, Jan 27
United Airlines Logo
2:05 am - 9:02 pmSJU-TYS
19h 57m2 stops
United Airlines Logo
11:10 am - 9:00 pmTYS-SJU
8h 50m1 stop
$510United Airlines
Find Deal
Fri, Jan 16 - Mon, Jan 19
United Airlines Logo
5:50 pm - 10:32 amSJU-TYS
17h 42m2 stops
United Airlines Logo
6:45 am - 10:22 pmTYS-SJU
14h 37m2 stops
$521United Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for flights to Knoxville

Get data-powered insights and trends for flights to Knoxville to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly to Knoxville?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Knoxville, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Knoxville is January, where tickets cost $370 on average for one-way flights. On the other hand, the most expensive months are July and December, where the average cost of tickets from Puerto Rico is $602 and $592 respectively. For return trips, the best month to travel is January with an average price of $370.

Good to know

Low seasonSeptember
Cheapest flight$121
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly with an average 20% increase in price.
Flight from San Juan to Knoxville

FAQs - booking Knoxville flights

  • How far is Knoxville McGhee Tyson Airport from central Knoxville?

    The distance between Knoxville McGhee Tyson Airport and downtown Knoxville is 11 miles.

  • What is the name of Knoxville’s airport?

    There is only 1 airport in Knoxville, called Knoxville McGhee Tyson Airport (TYS). It can also be referred to as Mc Ghee Tyson or McGhee Tyson.

  • What is the cheapest day to fly to Knoxville?

    Based on KAYAK data, the cheapest day to fly to Knoxville is Monday where tickets can be as cheap as $394. On the other hand, the most expensive day to fly is Sunday, where prices are $592 on average.

  • How does KAYAK find such low prices on flights to Knoxville?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Knoxville.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Knoxville?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knoxville is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Knoxville?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knoxville with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Knoxville?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knoxville up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Knoxville?

    The cheapest time of day to fly to Knoxville is generally at night, when flights cost $282 on average. The most expensive time of day to fly to Knoxville is generally in the evening, which is peak travel time and where the average cost of a ticket is $524.

  • How many direct flights to Knoxville are there each week?

    Each week there are around 701 direct flights from within Puerto Rico to Knoxville. The most common day for departures is Monday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to Knoxville

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Knoxville flight deals.

Reviews of the top airlines flying from Puerto Rico to Knoxville

 
See real verified KAYAK customer reviews for airlines flying to Knoxville. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Puerto Rico to Knoxville. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with to Knoxville? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.9
DeltaOverall score based on 8004 reviews
8.5Crew
7.9Entertainment
7.9Comfort
8.1Boarding
7.3Food
Airline reviews

Flight delayed then cancelled. Misplaced luggage. Still do not have. Rented car 1100 mile drive. I had to buy some overnight Hotels clothes toiletries gas food at my expense. Still not home. Not sure where luggage is. Over 4 hours on hold to Felta

2.0 MediocreAnonymous, Nov 2025MOB - ATL
Read more Delta reviews

Flight delayed then cancelled. Misplaced luggage. Still do not have. Rented car 1100 mile drive. I had to buy some overnight Hotels clothes toiletries gas food at my expense. Still not home. Not sure where luggage is. Over 4 hours on hold to Felta

I truly love flying with Delta. They have always treated me with the upmost respect

Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

DELTA does a terrific job making sure you are well taken care of during the flight, gives you assurance before the flight through numerous email notifications about your upcoming flight & lastly good follow up after the flight making sure your needs were mat. It has been, is & will continue to be my carrier of choice in all my future travels. Good Job DELTA

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Non stop on long haul is the way to go. Great experience

Seats comfortable, service and food very mediocre, staff not very attentive, worse than many other our flights with Delta.

this plane was really old, had exit row seats and tray was in arm of seat so super uncomfortable to use. another seat they could t even use the tray it was broke. seat i. front of me had duct tape on it cause seat was ripped open... this plane should either be updated or retired.

Baggage handling poor. Second time this has happened. My bag went to San Francisco instead of Fiji. No apology. Luckily Nadi airport staff are fantastic. My bag arrived in Fiji the next day.

We loved the steward on the plane. He made the night enjoyable

I enjoyed the extra leg room compared to other airlines. The first stewards made my daughter’s birthday special by giving her an extra snack. Then the last one coming home from Chicago to Appleton made our night really enjoyable Thanks for making our trip enjoyable

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

Flight delay was communicated before leaving for airport which caused it to be a non-event. Great flight and crew!

Did not get any refreshments. Crew was very nice but limited. Small seats

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Newport
Lenoir City
Clinton
Dandridge
Jefferson City

Everything you need to know for your flight to Knoxville

Information on the airport you'll fly into in Knoxville