$122 Find Cheap Flights from Knoxville to Puerto Rico - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Knoxville to Puerto Rico departing on 10/17. 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

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Book Cheap Knoxville to Puerto Rico Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Knoxville to Puerto Rico 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 Knoxville to Puerto Rico

Fri, Sep 11 - Wed, Sep 16
Multiple Airlines Logo
1:54 pm - 12:01 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 07m1 stop Philadelphia
Multiple Airlines Logo
8:45 am - 10:04 amSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
25h 19m1 stop Fort Lauderdale
$243Multiple Airlines
Mon, Sep 28 - Mon, Nov 2
Multiple Airlines Logo
5:40 pm - 3:17 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
21h 37m1 stop Fort Lauderdale
Multiple Airlines Logo
6:12 pm - 5:14 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
24h 02m1 stop Fort Lauderdale
$245Multiple Airlines
Fri, Sep 11 - Wed, Sep 16
Multiple Airlines Logo
1:54 pm - 12:01 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
10h 07m1 stop Philadelphia
Multiple Airlines Logo
8:45 am - 10:04 amSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
25h 19m1 stop Fort Lauderdale
$249Multiple Airlines
Tue, Jan 26 - Tue, Feb 2
Southwest Logo
8:00 am - 6:45 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
9h 45m2 stops Baltimore/Washington Orlando
Southwest Logo
6:15 am - 5:10 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
11h 55m2 stops Baltimore/Washington Orlando
$416Southwest
Tue, Jan 26 - Tue, Feb 2
Southwest Logo
1:15 pm - 9:15 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
7h 00m1 stop Orlando
Southwest Logo
6:15 am - 6:40 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
13h 25m2 stops Baltimore/Washington Nashville Intl
$416Southwest
Tue, Sep 15 - Mon, Sep 21
Southwest Logo
12:45 pm - 6:10 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
5h 25m1 stop Orlando
Southwest Logo
6:30 am - 6:40 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
12h 10m2 stops Orlando Nashville Intl
$416Southwest
Tue, Sep 15 - Mon, Sep 21
Delta Logo
12:23 pm - 10:19 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
9h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:59 pm - 11:55 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
5h 56m1 stop Atlanta Hartsfield-Jackson
$436Delta
Mon, Oct 5 - Mon, Nov 2
Delta Logo
8:55 am - 4:49 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
7h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
8:15 am - 1:31 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
6h 16m1 stop Atlanta Hartsfield-Jackson
$436Delta
Mon, Oct 5 - Mon, Nov 2
American Airlines Logo
6:00 am - 3:23 pmTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
9h 23m1 stop Dallas/Fort Worth
American Airlines Logo
10:32 am - 8:17 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
10h 45m1 stop Miami
$466American Airlines
Mon, Sep 28 - Mon, Nov 2
American Airlines Logo
6:06 pm - 11:00 amTYS  Knoxville McGhee Tyson-SJU San Juan Luis Munoz Marin Intl
16h 54m2 stops Charlotte Douglas Miami
American Airlines Logo
3:53 pm - 8:43 pmSJU  San Juan Luis Munoz Marin Intl-TYS Knoxville McGhee Tyson
5h 50m1 stop Charlotte Douglas
$466American Airlines
Booking Insights

KAYAK's insights & trends for Knoxville to Puerto Rico flights

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

What is the cheapest month to fly from Knoxville to Puerto Rico?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Knoxville to Puerto Rico, 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 from Knoxville to Puerto Rico is February, when tickets cost $456 (return) on average. On the other hand, the most expensive months are March and May, when the average cost of round-trip tickets is $761 and $650 respectively.

How far in advance should I book a flight from Knoxville to Puerto Rico?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Knoxville to Puerto Rico, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Knoxville to Puerto Rico, you should book around 3 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Find deals

Good to know

Low season

February

Cheapest flight

$122
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Knoxville to San Juan

FAQs - booking Puerto Rico flights

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

    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 from Knoxville to Puerto Rico.

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

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

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

    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 from Knoxville to Puerto Rico 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 from Knoxville to Puerto Rico?

    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 from Knoxville to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Knoxville to Puerto Rico

Information on your arrival and departure airports

Knoxville (TYS)