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$208+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TYS
Apr 25 — May 21
Sat 4/25
Sat 5/2
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 March 26, 2026.

This American Airlines deal was found by Cheapflights users on 3/25. 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 4/2111:43 am
SJU
-
TYS
1 stop12h 16m
American Airlines
Tue 4/285:00 am
TYS
-
SJU
2 stops9h 52m
American Airlines
Deal found 3/25$292
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Wed 4/221:31 pm
SJU
-
TYS
2 stops8h 53m
American Airlines
Wed 4/296:54 pm
TYS
-
SJU
1 stop9h 38m
American Airlines
Deal found 3/23$297
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/236:00 am
SJU
-
TYS
1 stop14h 42m
Multiple Airlines
Thu 4/309:25 pm
TYS
-
SJU
1 stop21h 57m
Multiple Airlines
Deal found 3/23$303
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/223:19 pm
SJU
-
TYS
2 stops24h 22m
Multiple Airlines
Thu 4/309:25 pm
TYS
-
SJU
1 stop21h 57m
Multiple Airlines
Deal found 3/23$313
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 4/37:54 pm
SJU
-
TYS
1 stop12h 42m
Multiple Airlines
Mon 4/62:06 pm
TYS
-
SJU
2 stops33h 48m
Multiple Airlines
Deal found 3/24$344
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/217:01 pm
SJU
-
TYS
2 stops15h 35m
Multiple Airlines
Thu 4/309:25 pm
TYS
-
SJU
1 stop21h 57m
Multiple Airlines
Deal found 3/23$350
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 5/1511:00 am
SJU
-
TYS
1 stop24h 06m
Multiple Airlines
Fri 6/267:22 pm
TYS
-
SJU
2 stops45h 12m
Multiple Airlines
Deal found 3/25$362
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 4/236:00 am
SJU
-
TYS
1 stop14h 42m
Multiple Airlines
Wed 4/294:25 pm
TYS
-
SJU
1 stop26h 57m
Multiple Airlines
Deal found 3/23$366

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 March 26, 2026.

Round-trip from

$292
(American Airlines)

One-way from

$208
(eDestinos)

Popular in

July

Cheapest in

February

Average price

$587
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. 1% potential increase in price ($9 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 March 2026
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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 March 26, 2026.
Use the filters below to find and compare flights from Puerto Rico to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Tue 4/21

11:43 am-11:59 pm

1 stop12h 16m

Knoxville McGhee Tyson

Tue 4/28

5:00 am-2:52 pm

2 stops9h 52m

$292

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 5/9

6:30 am-10:20 pm

2 stops39h 50m

Knoxville McGhee Tyson

Wed 5/27

1:01 pm-3:55 pm

1 stop26h 54m

$399

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 8/28

10:00 am-7:55 pm

2 stops9h 55m

Knoxville McGhee Tyson

Sun 8/30

8:30 am-8:40 pm

2 stops12h 10m

$416

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Tue 4/14

1:31 pm-11:59 pm

1 stop10h 28m

Knoxville McGhee Tyson

Fri 4/17

5:00 am-8:51 pm

1 stop15h 51m

$426

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 8/28

8:00 am-10:15 pm

1 stop14h 15m

Knoxville McGhee Tyson

Sun 8/30

8:25 pm-9:42 am

2 stops13h 17m

$436

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Mon 5/11

11:38 am-11:55 pm

1 stop12h 17m

Knoxville McGhee Tyson

Wed 5/27

6:00 am-9:59 pm

1 stop15h 59m

$476

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 5/9

5:45 am-6:30 pm

2 stops12h 45m

Knoxville McGhee Tyson

Wed 5/27

8:15 am-9:05 pm

2 stops12h 50m

$496

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 5/22

2:56 pm-11:59 pm

1 stop9h 03m

Knoxville McGhee Tyson

Sat 5/30

7:46 pm-9:39 am

1 stop13h 53m

$523
Quickest round-trip

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Tue 4/21

5:34 pm-11:54 pm

1 stop6h 20m

Knoxville McGhee Tyson

Wed 4/29

5:35 am-1:25 pm

1 stop7h 50m

$546
Cheapest one-way

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Wed 7/22

5:01 pm-8:21 pm

2 stops27h 20m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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 $138). Flying from Puerto Rico to Knoxville in March is currently the most expensive (average of $479). 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 March 26, 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
8,331 reviews

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

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
8,331 reviews
Delta
7.9
Good
8,331 reviews

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

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
7.1
Good
11,495 reviews
Delta
7.9
Good
8,331 reviews

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.2

Entertainment

7.8

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 9h 55m. Airlines will cover a distance of 1625 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $169 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from $208 and $232, 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 $138). Flying from Puerto Rico to Knoxville in March is currently the most expensive (average of $479). 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
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge

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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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$395Average$525FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$410Average$565FlexibilityNo cancel feeOn-time71%

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