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$132+ Cheap flights from Puerto Rico to Knoxville (TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TYS
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Puerto Rico to Knoxville

Cheapest flights from Puerto Rico to Knoxville
Explore the most affordable flight options available from Puerto Rico to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:00 am
SJU
-
TYS
1 stop9h 05m
Multiple Airlines
Fri 5/151:15 pm
TYS
-
SJU
1 stop19h 32m
Multiple Airlines
Deal found 2/4$330
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:54 pm
SJU
-
TYS
1 stop14h 46m
Multiple Airlines
Fri 3/206:20 am
TYS
-
SJU
1 stop27h 50m
Multiple Airlines
Deal found 2/3$343
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/1312:27 pm
SJU
-
TYS
1 stop11h 40m
Multiple Airlines
Mon 2/166:30 am
TYS
-
SJU
1 stop26h 47m
Multiple Airlines
Deal found 2/2$363
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:20 am
SJU
-
TYS
2 stops29h 48m
Multiple Airlines
Thu 2/195:56 pm
TYS
-
SJU
1 stop30h 09m
Multiple Airlines
Deal found 2/2$371
This Southwest deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:35 am
SJU
-
TYS
2 stops14h 05m
Southwest
Wed 5/278:15 am
TYS
-
SJU
2 stops9h 55m
Southwest
Deal found 2/4$381
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:00 am
SJU
-
TYS
1 stop14h 42m
Multiple Airlines
Mon 4/277:30 am
TYS
-
SJU
2 stops28h 50m
Multiple Airlines
Deal found 2/1$385
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/281:35 pm
SJU
-
TYS
1 stop10h 06m
American Airlines
Sun 8/304:15 pm
TYS
-
SJU
1 stop6h 41m
American Airlines
Deal found 2/2$386
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:36 pm
SJU
-
TYS
1 stop20h 37m
Multiple Airlines
Wed 5/271:01 pm
TYS
-
SJU
1 stop25h 30m
Multiple Airlines
Deal found 2/4$389
This Southwest deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:35 am
SJU
-
TYS
2 stops12h 35m
Southwest
Fri 5/1512:15 pm
TYS
-
SJU
1 stop11h 40m
Southwest
Deal found 2/4$391
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:30 am
SJU
-
TYS
1 stop10h 00m
American Airlines
Sun 4/55:47 pm
TYS
-
SJU
1 stop16h 53m
American Airlines
Deal found 2/5$396
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:52 am
SJU
-
TYS
1 stop11h 04m
Multiple Airlines
Thu 5/287:15 am
TYS
-
SJU
1 stop7h 16m
Multiple Airlines
Deal found 2/4$397

Find flight deals from Puerto Rico to Knoxville

Keep the following information in mind while searching for Puerto Rico to Knoxville flight deals. Data was last updated February 5, 2026.

Round-trip from

$330
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$415
From Puerto Rico to Knoxville McGhee Tyson
Search Deals
One-way flight from Puerto Rico to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Puerto Rico to Knoxville that are best for you.

Fly from

Puerto Rico

Fly to

Knoxville

Route

Depart

Return

Price

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Tue 3/17

7:54 pm-10:40 am

1 stop14h 46m

Knoxville McGhee Tyson

Fri 3/20

6:20 am-10:10 am

1 stop27h 50m

$343

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Mon 2/16

5:20 am-10:08 am

2 stops29h 48m

Knoxville McGhee Tyson

Thu 2/19

5:56 pm-1:05 am

1 stop30h 09m

$371

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Wed 5/20

5:35 am-7:40 pm

2 stops14h 05m

Knoxville McGhee Tyson

Wed 5/27

12:50 pm-6:10 pm

1 stop5h 20m

$381

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sun 4/19

6:00 am-8:42 pm

1 stop14h 42m

Knoxville McGhee Tyson

Mon 4/27

7:30 am-12:20 pm

2 stops28h 50m

$385

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Wed 5/20

3:36 pm-12:13 pm

1 stop20h 37m

Knoxville McGhee Tyson

Wed 5/27

1:01 pm-2:31 pm

1 stop25h 30m

$389

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Wed 5/20

5:05 am-5:10 pm

2 stops12h 05m

Knoxville McGhee Tyson

Thu 5/28

12:15 pm-8:00 pm

1 stop7h 45m

$391

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 5/21

9:52 am-8:56 pm

1 stop11h 04m

Knoxville McGhee Tyson

Thu 5/28

7:15 am-2:31 pm

1 stop7h 16m

$397

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 5/7

3:18 pm-5:30 pm

2 stops26h 12m

Knoxville McGhee Tyson

Fri 5/15

1:15 pm-2:08 pm

2 stops24h 53m

$419

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-12:09 pm

1 stop31h 09m

$132

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Wed 2/18

3:18 pm-10:10 pm

2 stops31h 52m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 14 results
1
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Best time to book a flight from Puerto Rico to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Puerto Rico with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Puerto Rico to Knoxville?

Currently, June is the cheapest month in which you can book a flight from Puerto Rico to Knoxville (average of $139). Flying from Puerto Rico to Knoxville in April is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated February 5, 2026.
Read through reviews of airlines operating flights from Puerto Rico to Knoxville, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,151 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,151 reviews
Delta
7.9
Good
8,151 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,237 reviews
Delta
7.9
Good
8,151 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from Puerto Rico?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from Puerto Rico. McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from Puerto Rico to Knoxville?

    Departing from Puerto Rico to Knoxville will take you 14h 05m. Airlines will cover a distance of 1625 mi.

  • What are the cheapest airlines to fly from Puerto Rico to Knoxville one-way?

    $192 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $192 and $218, respectively.

  • Can I find deals for flights from Puerto Rico to Knoxville that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Knoxville.

  • Can I find deals for business class flights from Puerto Rico to Knoxville?

    Yes. Cheapflights offers flight deals from Puerto Rico to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Puerto Rico to Knoxville?

    Currently, June is the cheapest month in which you can book a flight from Puerto Rico to Knoxville (average of $139). Flying from Puerto Rico to Knoxville in April is currently the most expensive (average of $405). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
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Bryson City
Alcoa
Oak Ridge
Murphy

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Top 2 airlines flying from Puerto Rico to Knoxville

Discover the top 2 airlines that operate flights from Puerto Rico to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$385Average$455FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$410Average$555FlexibilityNo cancel feeOn-time71%

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