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$143+ Cheap flights from Luis Munoz Marin Intl (SJU) 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TYS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl 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 Luis Munoz Marin Intl to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) 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 17, 2025.

Round-trip from

$364
(Kiwi.com)

One-way from

$143
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$595
From San Juan Luis Munoz Marin Intl to Knoxville McGhee Tyson
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One-way flight from San Juan Luis Munoz Marin Intl to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 1% potential increase in price ($6 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 Luis Munoz Marin Intl to Knoxville

Cheapest flights from Luis Munoz Marin Intl to Knoxville
Explore the most affordable flight options available from Luis Munoz Marin Intl to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:10 pmSJU - TYS
2 stops24h 24mMultiple Airlines
Sun 11/234:28 pmTYS - SJU
1 stop8h 15mMultiple Airlines
Deal found 9/17$301
This eDestinos deal was found by Cheapflights users on 9/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:00 pmSJU - TYS
1 stop24h 55mMultiple Airlines
Mon 12/151:05 pmTYS - SJU
2 stops24h 49mMultiple Airlines
Deal found 9/16$402
This American Airlines deal was found by Cheapflights users on 9/15. 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 10/217:00 amSJU - TYS
2 stops12h 01mAmerican Airlines
Wed 10/295:00 amTYS - SJU
2 stops7h 39mAmerican Airlines
Deal found 9/15$405
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:44 amSJU - TYS
1 stop10h 50mMultiple Airlines
Mon 9/291:22 pmTYS - SJU
1 stop11h 32mMultiple Airlines
Deal found 9/15$437
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/201:59 amSJU - TYS
2 stops37h 37mMultiple Airlines
Wed 10/294:26 pmTYS - SJU
1 stop18h 30mMultiple Airlines
Deal found 9/15$455

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl 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 17, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Knoxville that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Knoxville

Route

Depart

Return

Price

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 1/22

7:15 am-3:41 pm

2 stops9h 26m

Knoxville McGhee Tyson

Mon 1/26

9:08 am-3:40 pm

1 stop5h 32m

$374

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 2/19

6:15 am-3:06 pm

1 stop9h 51m

Knoxville McGhee Tyson

Mon 2/23

10:05 am-8:30 pm

1 stop9h 25m

$395

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Sat 1/10

7:15 am-9:49 pm

1 stop15h 34m

Knoxville McGhee Tyson

Sat 1/17

8:24 pm-1:30 pm

1 stop16h 06m

$397

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Tue 10/21

7:00 am-7:01 pm

2 stops12h 01m

Knoxville McGhee Tyson

Wed 10/29

5:00 am-12:39 pm

2 stops7h 39m

$405

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 12/12

3:00 pm-2:55 pm

1 stop24h 55m

Knoxville McGhee Tyson

Mon 12/15

1:05 pm-2:50 am

1 stop12h 45m

$406

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 2/19

10:26 am-7:13 pm

2 stops9h 47m

Knoxville McGhee Tyson

Mon 2/23

3:00 pm-4:55 am

1 stop12h 55m

$473

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 10/3

3:19 pm-10:18 am

2 stops18h 59m

Knoxville McGhee Tyson

Sun 10/5

9:15 pm-4:23 pm

2 stops19h 08m

$475

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Mon 12/22

6:56 pm-12:38 am

1 stop6h 42m

Knoxville McGhee Tyson

Mon 12/29

7:01 pm-11:57 am

1 stop15h 56m

$493

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Thu 10/2

11:59 am-8:25 pm

1 stop8h 26m

$143

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Mon 10/13

2:49 am-11:55 am

2 stops33h 06m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 15 results
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Best time to book a flight from Luis Munoz Marin Intl to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport to Knoxville

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Knoxville. Price data was last updated on September 12, 2025.

The price you pay for your flight from San Juan Luis Munoz Marin Intl Airport to Knoxville may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Knoxville?

Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Knoxville (average of $295). Flying from San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl 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 17, 2025.

One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport 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 17, 2025.
Read reviews from past customers who have flown Delta and American Airlines from San Juan Luis Munoz Marin Intl Airport to Knoxville. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
7,961 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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 Luis Munoz Marin Intl 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 Luis Munoz Marin Intl?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from San Juan Luis Munoz Marin Intl. On average, McGhee Tyson has 0 inbound flights from San Juan Luis Munoz Marin Intl per day from 2 airlines. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Knoxville?

    There are many flights that can get you from San Juan Luis Munoz Marin Intl Airport to Knoxville in 9h 26m. Fly via American Airlines or Delta to get the fastest option. The distance from San Juan Luis Munoz Marin Intl Airport to Knoxville is about 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 flying from San Juan Luis Munoz Marin Intl Airport to Knoxville round-trip?

    Cheapflights users have booked flights from San Juan Luis Munoz Marin Intl Airport to Knoxville round-trip from $334. Another airline that can offer you cheap pricing is Delta. These flights start at 35% lower than the current average price 3 months from now.

  • Can I find deals for flights from Luis Munoz Marin Intl to Knoxville that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Knoxville?

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

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Knoxville?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport to Knoxville?

    Currently, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Knoxville (average of $295). Flying from San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Luis Munoz Marin Intl to Knoxville

Discover the top 2 airlines that operate flights from Luis Munoz Marin Intl 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$490FlexibilityNo cancel feeOn-time71%
DeltaCheapest$380Average$455FlexibilityNo cancel feeOn-timeN/A

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