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$158+ Cheap flights from San Juan 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TYS
Okt 26 — Nov 21
So 10/26
So 11/2
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan to Knoxville McGhee Tyson are usually found in January or August, booked 29 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap flight deals from San Juan to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 26, 2025.

Round-trip from

$306
(Kiwi.com)

One-way from

$158
(eDestinos)

Popular in

December

Cheapest in

January

Average price

$595
From San Juan to Knoxville McGhee Tyson
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One-way flight from San Juan to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Juan to Knoxville

Cheapest flights from San Juan to Knoxville
Explore the most affordable flight options available from San Juan to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Sa 11/157:30 amSJU - TYS
1 stop10h 52mMultiple Airlines
Do 11/208:00 amTYS - SJU
1 stop14h 09mMultiple Airlines
Deal found 9/25$306
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Do 11/202:05 pmSJU - TYS
1 stop9h 49mAmerican Airlines
Do 11/278:59 amTYS - SJU
2 stops24h 11mAmerican Airlines
Deal found 9/26$365
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fr 10/249:06 pmSJU - TYS
2 stops40h 27mMultiple Airlines
Fr 10/317:15 amTYS - SJU
1 stop19h 48mMultiple Airlines
Deal found 9/24$375
This Kiwi.com deal was found by Cheapflights users on 9/24. 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.
Fr 10/174:51 pmSJU - TYS
2 stops25h 20mMultiple Airlines
Fr 10/247:15 amTYS - SJU
1 stop18h 47mMultiple Airlines
Deal found 9/24$398

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Juan 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 September 26, 2025.
Use the filters below to find and compare flights from San Juan to Knoxville that are best for you.

Fly from

San Juan

Fly to

Knoxville

Route

Depart

Return

Price

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Do 11/20

2:05 pm-10:54 pm

1 stop9h 49m

Knoxville McGhee Tyson

Do 11/27

8:59 am-10:10 am

2 stops24h 11m

$365

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Do 1/15

8:10 am-2:54 pm

1 stop7h 44m

Knoxville McGhee Tyson

Mo 1/19

11:07 am-9:00 pm

1 stop8h 53m

$423

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Do 2/19

8:10 am-3:15 pm

1 stop8h 05m

Knoxville McGhee Tyson

Mo 2/23

2:45 pm-10:22 pm

1 stop6h 37m

$465

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Do 2/19

9:25 am-7:13 pm

2 stops10h 48m

Knoxville McGhee Tyson

Mo 2/23

8:21 pm-9:36 am

2 stops12h 15m

$473

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fr 11/14

3:59 am-4:20 pm

1 stop13h 21m

Knoxville McGhee Tyson

Do 11/20

6:30 am-1:06 am

2 stops17h 36m

$508

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Do 10/16

4:04 pm-11:36 pm

3 stops31h 32m

Knoxville McGhee Tyson

Di 10/21

11:23 am-1:44 am

3 stops38h 21m

$523

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Di 10/21

1:05 am-10:50 pm

2 stops21h 45m

Knoxville McGhee Tyson

Sa 10/25

7:00 am-11:57 pm

2 stops16h 57m

$525

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Do 1/15

7:15 am-2:13 pm

2 stops7h 58m

Knoxville McGhee Tyson

Mo 1/19

5:15 pm-12:05 am

1 stop5h 50m

$525

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Do 11/20

8:30 am-2:43 pm

1 stop7h 13m

Knoxville McGhee Tyson

Do 11/27

10:50 am-9:00 pm

1 stop9h 10m

$525

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Do 12/11

3:55 am-5:20 pm

1 stop14h 25m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

Showing 1-10 of 14 results
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Best time to book a flight from San Juan to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from San Juan 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 San Juan to Knoxville

How far ahead should I book a flight from San Juan to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Knoxville. Price data was last updated on September 19, 2025.

To ensure you get the cheapest price possible for a flight from San Juan to Knoxville, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Juan to Knoxville?

Currently, January is the cheapest month in which you can book a flight from San Juan to Knoxville (average of $294). Flying from San Juan to Knoxville in March is currently the most expensive (average of $376). 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 SJU to TYS?

Find hourly flight availability from San Juan to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 26, 2025.

One of the essential ways to save on airfare from San Juan to Knoxville is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 47% on airfare.

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 September 26, 2025.
Read through reviews of airlines operating flights from San Juan to Knoxville, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,973 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,973 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,973 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

Related info for your journey

Find useful and relevant information for your journey from San Juan 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 San Juan?

    Knoxville McGhee Tyson (TYS) is the airport you will fly into if you book a flight from San Juan to Knoxville. You should not have trouble finding flights to McGhee Tyson from San Juan; the airport handles an average of 0 inbound flights from San Juan per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Knoxville airport from San Juan. It is only a 11.3 mi journey from McGhee Tyson (TYS) to Knoxville’s city center.

  • How long is the flight from San Juan to Knoxville?

    Airlines like American Airlines and United Airlines fly from San Juan to Knoxville in about 7h 44m. The time it takes to get you to your destination can typically vary by up to 2h 05m. The distance between San Juan and Knoxville is about 1625 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Juan to Knoxville round-trip?

    American Airlines, at $334, was found to be the cheapest airline from San Juan to Knoxville.Alternate airlines to your destination round-trip include United Airlines and Delta. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from San Juan to Knoxville that include hotel bookings?

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

  • How can I find direct flights from San Juan to Knoxville?

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

  • Can I find deals for business class flights from San Juan to Knoxville?

    Yes. Cheapflights offers flight deals from San Juan 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 San Juan to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from San Juan to Knoxville (average of $294). Flying from San Juan to Knoxville in March is currently the most expensive (average of $376). 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
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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Alternative routes for San Juan to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Luis Munoz Marin Intl to Knoxville flights
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Top 3 airlines flying from San Juan to Knoxville

Discover the top 3 airlines that operate flights from San Juan 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 September 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$525FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$344Average$464FlexibilityNo cancel feeOn-time69%
DeltaCheapest$380Average$455FlexibilityNo cancel feeOn-timeN/A

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