Luis Munoz Marin Intl

$192+ Cheap flights from Knoxville (TYS) to Luis Munoz Marin Intl (SJU)

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Jul 11 — Jul 181
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Cheap flight deals from Knoxville to Luis Munoz Marin Intl

Cheapest flights from Knoxville to Luis Munoz Marin Intl
Explore the most affordable flight options available from Knoxville to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/1712:50 pm
TYS
-
SJU
1 stop25h 39m
Multiple Airlines
Sun 8/307:00 am
SJU
-
TYS
1 stop9h 25m
Multiple Airlines
Deal found 6/10$252
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 8/312:40 pm
TYS
-
SJU
1 stop25h 20m
Multiple Airlines
Fri 8/76:26 am
SJU
-
TYS
1 stop15h 58m
Multiple Airlines
Deal found 6/6$267
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 8/1012:50 pm
TYS
-
SJU
1 stop24h 51m
Multiple Airlines
Sat 8/156:00 am
SJU
-
TYS
1 stop10h 13m
Multiple Airlines
Deal found 6/6$272
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/1312:40 pm
TYS
-
SJU
1 stop25h 15m
Multiple Airlines
Mon 7/206:30 am
SJU
-
TYS
1 stop15h 30m
Multiple Airlines
Deal found 6/6$279
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/216:00 am
TYS
-
SJU
1 stop12h 34m
American Airlines
Tue 8/255:10 pm
SJU
-
TYS
1 stop6h 41m
American Airlines
Deal found 6/10$298
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 8/285:08 pm
TYS
-
SJU
1 stop22h 50m
Multiple Airlines
Mon 8/316:00 am
SJU
-
TYS
1 stop12h 04m
Multiple Airlines
Deal found 6/8$339
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/1012:40 pm
TYS
-
SJU
1 stop25h 15m
Multiple Airlines
Mon 7/136:30 am
SJU
-
TYS
1 stop15h 30m
Multiple Airlines
Deal found 6/10$348
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 8/112:54 pm
TYS
-
SJU
1 stop11h 47m
Multiple Airlines
Sat 8/86:00 am
SJU
-
TYS
1 stop10h 13m
Multiple Airlines
Deal found 6/10$359

Find flight deals from Knoxville to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Luis Munoz Marin Intl (SJU). 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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Kiwi.com)

One-way from

$192
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$625
Provider with most accurate pricing for Knoxville McGhee Tyson-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-San Juan Luis Munoz Marin Intl flights.
From Knoxville McGhee Tyson to San Juan Luis Munoz Marin Intl
One-way flight from Knoxville McGhee Tyson to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Luis Munoz Marin Intl 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 June 11, 2026.
Use the filters below to find and compare flights from Knoxville to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Fri 8/21

5:40 am-11:46 am

1 stop6h 06m

San Juan Luis Munoz Marin Intl

Tue 8/25

5:49 pm-11:52 pm

1 stop6h 03m

$446

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Thu 8/27

12:01 pm-10:29 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Tue 9/1

2:59 pm-11:52 pm

1 stop8h 53m

$446

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 8/3

6:00 am-6:24 pm

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Mon 8/10

6:00 am-11:51 pm

1 stop17h 51m

$509

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Mon 8/17

7:10 am-4:55 pm

2 stops9h 45m

San Juan Luis Munoz Marin Intl

Sun 8/30

10:05 am-9:45 pm

2 stops11h 40m

$521

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Sat 8/22

7:00 am-2:44 pm

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Tue 8/25

7:00 am-6:38 pm

1 stop11h 38m

$538

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Tue 7/21

5:40 am-1:32 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Tue 7/28

6:00 am-2:48 pm

1 stop8h 48m

$546

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Thu 7/2

7:15 am-3:58 pm

1 stop8h 43m

San Juan Luis Munoz Marin Intl

Sun 7/5

3:36 pm-11:33 pm

2 stops31h 57m

$560

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Thu 7/2

12:35 pm-7:25 pm

1 stop6h 50m

San Juan Luis Munoz Marin Intl

Sun 7/5

6:25 am-3:45 pm

1 stop9h 20m

$576

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Tue 8/18

7:15 am-3:42 pm

1 stop8h 27m

San Juan Luis Munoz Marin Intl

Wed 8/19

4:55 pm-11:59 pm

1 stop7h 04m

$621

KnoxvilleSan Juan

TYS - SJU

TYSSJU

Knoxville McGhee Tyson

Tue 7/21

8:10 am-6:25 pm

2 stops10h 15m

San Juan Luis Munoz Marin Intl

Tue 7/28

5:00 am-5:00 pm

2 stops12h 00m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Knoxville to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Luis Munoz Marin Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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-San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl

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

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

Currently, September is the cheapest month in which you can book a flight from Knoxville to San Juan Luis Munoz Marin Intl Airport (average of $406). Flying from Knoxville to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $761). 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.

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

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated June 11, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from Knoxville to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Comfort

8.0

Food

7.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Luis Munoz Marin Intl. 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 San Juan Luis Munoz Marin Intl?

    If you book a flight to San Juan Luis Munoz Marin Intl from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 0 flights from McGhee Tyson to San Juan Luis Munoz Marin Intl per day from 3 different airlines.

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

    Airlines like Delta, American Airlines, and Southwest fly from Knoxville to San Juan Luis Munoz Marin Intl Airport in about 6h 06m. The time it takes to get you to your destination can typically vary by up to 6h 18m. The distance from Knoxville to San Juan Luis Munoz Marin Intl Airport is about 1625 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Knoxville to San Juan Luis Munoz Marin Intl Airport round-trip?

    Delta, at $238, was found to be the cheapest airline from Knoxville to San Juan Luis Munoz Marin Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Southwest. You may be able to fly from Knoxville to San Juan Luis Munoz Marin Intl Airport for 58% less than the average price by searching for these airlines.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Knoxville to San Juan Luis Munoz Marin Intl Airport (average of $406). Flying from Knoxville to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $761). 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
Fajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón

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Alternative routes for Knoxville to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Knoxville to Luis Munoz Marin Intl

Discover the top 3 airlines that operate flights from Knoxville to Luis Munoz Marin Intl. 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 June 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$238Average$514FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$365Average$584FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$376Average$516FlexibilityNo cancel feeOn-time63%

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