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$144+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — TYS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 September or January, booked 39 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 July 3, 2025.

Round-trip from

$367
(Mytrip)

One-way from

$144
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$602
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 ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2211:56 amSJU - TYS
1 stop11h 39mAmerican Airlines
Mon 10/276:00 amTYS - SJU
1 stop8h 20mAmerican Airlines
Deal found 7/3$365
This Mytrip deal was found by Cheapflights users on 7/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/234:43 pmSJU - TYS
2 stops27h 21mMultiple Airlines
Tue 7/294:55 pmTYS - SJU
2 stops18h 37mMultiple Airlines
Deal found 7/3$384
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:20 pmSJU - TYS
1 stop6h 34mDelta
Tue 1/137:07 amTYS - SJU
1 stop9h 12mDelta
Deal found 7/2$585
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:05 amSJU - TYS
2 stops13h 40mUnited Airlines
Mon 10/272:25 pmTYS - SJU
2 stops24h 15mUnited Airlines
Deal found 7/3$587

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 July 3, 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

Fri 7/18

10:14 pm-12:50 pm

2 stops14h 36m

Knoxville McGhee Tyson

Tue 7/22

7:00 am-3:30 pm

3 stops32h 30m

$367

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Tue 8/19

7:05 pm-9:38 am

2 stops14h 33m

Knoxville McGhee Tyson

Sat 8/23

9:35 am-10:56 pm

1 stop13h 21m

$460

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Mon 8/18

2:05 am-7:53 pm

1 stop17h 48m

Knoxville McGhee Tyson

Sat 8/23

5:45 am-12:34 pm

1 stop6h 49m

$805

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 9/26

5:41 pm-11:36 pm

1 stop5h 55m

Knoxville McGhee Tyson

Sun 9/28

12:01 pm-10:00 pm

1 stop9h 59m

$930

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Fri 7/11

11:59 pm-12:50 pm

1 stop12h 51m

$144

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Tue 8/19

7:05 pm-9:38 am

2 stops14h 33m

$233

San JuanKnoxville

SJU - TYS

SJUTYS

San Juan Luis Munoz Marin Intl

Mon 8/18

2:05 am-7:53 pm

1 stop17h 48m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 June 27, 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 39 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 $296). 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 July 3, 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.

How much does it cost to fly round-trip from San Juan Luis Munoz Marin Intl Airport to Knoxville?

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 July 3, 2025.
Read reviews from past customers who have flown Delta, United Airlines, 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
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $460. Other airlines that can offer you cheap pricing are United Airlines, from $805, and Delta, from $930. These flights start at 5% 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 $296). 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 San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$294Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$334Average$552FlexibilityNo cancel feeOn-time71%

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