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Puerto Rico

$197+ Cheap flights from Knoxville (TYS) to Puerto Rico

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Knoxville to Puerto Rico

Cheapest flights from Knoxville to Puerto Rico
Explore the most affordable flight options available from Knoxville to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/74:52 pmTYS - SJU
2 stops30h 57mMultiple Airlines
Sun 12/215:23 pmSJU - TYS
1 stop6h 19mMultiple Airlines
Deal found 11/1$248
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 12/74:52 pmTYS - SJU
2 stops30h 57mMultiple Airlines
Sun 12/144:42 pmSJU - TYS
1 stop7h 00mMultiple Airlines
Deal found 11/1$298
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Fri 11/219:45 pmTYS - SJU
1 stop24h 44mMultiple Airlines
Thu 11/273:59 amSJU - TYS
1 stop16h 20mMultiple Airlines
Deal found 11/3$343
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 11/169:54 amTYS - SJU
1 stop6h 25mMultiple Airlines
Thu 11/209:54 pmSJU - TYS
2 stops18h 59mMultiple Airlines
Deal found 11/1$357
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sat 11/156:12 pmTYS - SJU
1 stop19h 30mMultiple Airlines
Sun 11/237:10 amSJU - TYS
1 stop15h 53mMultiple Airlines
Deal found 11/2$368

Cheap flight deals from Knoxville to Puerto Rico

Keep the following information in mind while searching for Knoxville to Puerto Rico flight deals. Data was last updated November 3, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$248
(Kiwi.com)

One-way from

$197
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$555
Provider with most accurate pricing for Knoxville McGhee Tyson-Puerto Rico flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Puerto Rico flights.
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From Knoxville McGhee Tyson to Puerto Rico
Search Deals
One-way flight from Knoxville McGhee Tyson to Puerto Rico
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Puerto Rico 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 November 3, 2025.
Use the filters below to find and compare flights from Knoxville to Puerto Rico that are best for you.

Fly from

Knoxville

Fly to

Puerto Rico

Route

Depart

Return

Price

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sun 12/7

4:52 pm-12:49 am

2 stops30h 57m

San Juan Luis Munoz Marin Intl

Sun 12/21

5:23 pm-10:42 pm

1 stop6h 19m

$248

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Wed 1/7

7:41 am-6:22 pm

2 stops9h 41m

San Juan Luis Munoz Marin Intl

Wed 2/11

6:00 am-5:06 pm

1 stop12h 06m

$365

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/24

7:11 pm-1:08 pm

1 stop16h 57m

San Juan Luis Munoz Marin Intl

Mon 2/2

6:00 am-4:54 pm

1 stop11h 54m

$365

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sun 11/16

9:54 am-5:19 pm

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Thu 11/20

11:55 am-9:30 pm

3 stops34h 35m

$377

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Wed 4/1

5:30 am-12:00 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Sat 4/4

6:15 am-3:06 pm

1 stop8h 51m

$405

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 1/24

5:59 pm-11:05 am

2 stops16h 06m

San Juan Luis Munoz Marin Intl

Mon 2/2

6:00 am-10:28 pm

2 stops17h 28m

$447

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Wed 4/1

7:50 am-3:35 pm

1 stop7h 45m

San Juan Luis Munoz Marin Intl

Sun 4/5

5:30 am-1:55 pm

1 stop8h 25m

$465

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Fri 1/2

6:00 am-11:58 am

2 stops28h 58m

San Juan Luis Munoz Marin Intl

Sun 1/11

8:28 pm-12:05 pm

2 stops16h 37m

$477

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sun 12/7

8:13 pm-1:01 pm

1 stop15h 48m

San Juan Luis Munoz Marin Intl

Sat 12/20

1:30 am-11:28 am

1 stop10h 58m

$485

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 11/22

9:53 am-11:29 pm

1 stop12h 36m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 15 results
1
2
  • Most accurate provider: When it comes to deals on Knoxville-Puerto Rico flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Knoxville-Puerto Rico flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Knoxville-Puerto Rico flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Puerto Rico flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Puerto Rico flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Knoxville 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 Knoxville to Puerto Rico

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

Currently, August is the cheapest month in which you can book a flight from Knoxville to Puerto Rico (average of $108). Flying from Knoxville to Puerto Rico in May is currently the most expensive (average of $346). 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.

What is the cheapest time of day to fly from TYS to PR?

Find hourly flight availability from Knoxville to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

It’s typically best to fly out from Knoxville to Puerto Rico in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated November 3, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

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.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

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
11,038 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

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 Knoxville to Puerto Rico. 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 from for flights from Knoxville to Puerto Rico?

    For a flight from Knoxville to Puerto Rico, you will be flying from McGhee Tyson. Knoxville McGhee Tyson (TYS) is just 11.3 mi from the center of the city.

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

    Departing from Knoxville to Puerto Rico will take you 6h 30m. Knoxville and Puerto Rico are separated by a distance of 1625 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Puerto Rico 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 Knoxville to Puerto Rico?

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Puerto Rico (average of $108). Flying from Knoxville to Puerto Rico in May is currently the most expensive (average of $346). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Knoxville to Puerto Rico

Discover the top 3 airlines that operate flights from Knoxville to Puerto Rico. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$334Average$486FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$365Average$558FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$435Average$635FlexibilityNo cancel feeOn-time69%

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