$180+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Jun 12 — Jun 191
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Puerto Rico with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Puerto Rico
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Best
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Cheapest flights from Knoxville to Puerto RicoExplore 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 May 13, 2026.
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 May 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/8. 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
Sat 9/56:00 am
SJU
- TYS
1 stop28h 04m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 5/2912:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Mon 6/17:00 am
SJU
- TYS
1 stop15h 01m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Sat 9/264:43 pm
TYS
- SJU
1 stop6h 55m
Multiple Airlines
Sat 10/35:12 pm
SJU
- TYS
1 stop14h 53m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 7/107:20 pm
TYS
- SJU
2 stops22h 14m
Multiple Airlines
Mon 8/37:00 am
SJU
- TYS
1 stop15h 00m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$361
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/79:26 am
TYS
- SJU
1 stop6h 39m
Multiple Airlines
Sun 8/96:31 pm
SJU
- TYS
1 stop28h 13m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/112:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Fri 6/57:00 am
SJU
- TYS
1 stop14h 50m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2512:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Thu 6/258:00 am
SJU
- TYS
2 stops37h 13m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Mon 6/112:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Thu 6/45:15 pm
SJU
- TYS
2 stops30h 24m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2512:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Fri 6/197:00 am
SJU
- TYS
1 stop14h 50m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2512:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Wed 6/248:50 am
SJU
- TYS
2 stops30h 25m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$394
Best flights from Knoxville to Puerto RicoDiscover carefully curated flight deals from Knoxville to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
Discover carefully curated flight deals from Knoxville to Puerto Rico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 13, 2026.
This Delta deal was found by Cheapflights users on 5/11. 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 8/34:38 pm
TYS
- SJU
1 stop5h 51m
Delta
Mon 8/1012:56 pm
SJU
- TYS
1 stop7h 14m
Delta
Deal found 5/11![Delta logo]()
$436
This American Airlines deal was found by Cheapflights users on 5/12. 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 6/96:00 am
TYS
- SJU
1 stop9h 47m
American Airlines
Tue 6/1610:29 am
SJU
- TYS
1 stop13h 30m
American Airlines
Deal found 5/12![American Airlines logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Thu 6/258:15 am
TYS
- SJU
1 stop16h 22m
Multiple Airlines
Mon 6/296:00 am
SJU
- TYS
2 stops10h 40m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$496
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:05 pm
TYS
- SJU
2 stops9h 45m
Southwest
Sun 8/911:35 am
SJU
- TYS
2 stops9h 10m
Southwest
Deal found 5/7![Southwest logo]()
$596
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:40 am
TYS
- SJU
1 stop6h 21m
Delta
Tue 6/26:15 am
SJU
- TYS
1 stop8h 18m
Delta
Deal found 5/10![Delta logo]()
$576
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:20 pm
TYS
- SJU
2 stops11h 00m
Southwest
Sun 8/211:35 am
SJU
- TYS
2 stops9h 40m
Southwest
Deal found 5/11![Southwest logo]()
$656
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:40 am
TYS
- SJU
1 stop6h 06m
Delta
Fri 7/312:42 pm
SJU
- TYS
1 stop6h 53m
Delta
Deal found 5/8![Delta logo]()
$606
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/92:45 pm
TYS
- SJU
2 stops10h 00m
Southwest
Tue 6/169:50 am
SJU
- TYS
2 stops11h 25m
Southwest
Deal found 5/12![Southwest logo]()
$706
Last-minute flights from Knoxville to Puerto RicoDiscover last-minute flight deals from Knoxville to Puerto Rico. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Puerto Rico. Data last updated May 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2512:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Thu 6/258:00 am
SJU
- TYS
2 stops37h 13m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$378
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2512:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Fri 6/197:00 am
SJU
- TYS
1 stop14h 50m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2512:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Wed 6/248:50 am
SJU
- TYS
2 stops30h 25m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2512:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Mon 6/227:00 am
SJU
- TYS
1 stop14h 50m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 5/2912:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Mon 6/17:00 am
SJU
- TYS
1 stop15h 01m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/112:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Fri 6/57:00 am
SJU
- TYS
1 stop14h 50m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Mon 6/112:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Thu 6/45:15 pm
SJU
- TYS
2 stops30h 24m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/1512:40 pm
TYS
- SJU
1 stop25h 49m
Multiple Airlines
Fri 6/197:00 am
SJU
- TYS
1 stop14h 50m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 6/1512:40 pm
TYS
- SJU
1 stop25h 49m
Multiple Airlines
Mon 6/227:00 am
SJU
- TYS
1 stop14h 50m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$411
One-way flights from Knoxville to Puerto RicoSearch for one-way flight options from Knoxville to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
Search for one-way flight options from Knoxville to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 7/58:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/112:27 pm
TYS
- SJU
1 stop26h 06m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/1512:40 pm
TYS
- SJU
1 stop25h 49m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/131:35 pm
TYS
- SJU
1 stop9h 25m
Southwest
Deal found 5/11![Southwest logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/2212:40 pm
TYS
- SJU
1 stop25h 49m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 5/181:15 pm
TYS
- SJU
2 stops27h 28m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$262
Find 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 May 13, 2026.
Round-trip from | $326 (Kiwi.com) |
|---|---|
One-way from | $180 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $605 |
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 May 13, 2026.
Use the filters below to find and compare flights from Knoxville to Puerto Rico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 8/3
4:38 pm-10:29 pm
1 stop5h 51m
San Juan Luis Munoz Marin Intl
Mon 8/10
12:56 pm-8:10 pm
1 stop7h 14m
$436
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Tue 6/9
6:00 am-3:47 pm
1 stop9h 47m
San Juan Luis Munoz Marin Intl
Tue 6/16
10:29 am-11:59 pm
1 stop13h 30m
$476
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 6/25
8:15 am-12:37 am
1 stop16h 22m
San Juan Luis Munoz Marin Intl
Mon 6/29
6:00 am-4:40 pm
2 stops10h 40m
$496
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 5/28
5:40 am-12:01 pm
1 stop6h 21m
San Juan Luis Munoz Marin Intl
Tue 6/2
6:15 am-2:33 pm
1 stop8h 18m
$576
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/7
2:05 pm-11:50 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Sun 8/9
11:35 am-8:45 pm
2 stops9h 10m
$596
Quickest round-trip
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Sun 7/26
5:40 am-11:46 am
1 stop6h 06m
San Juan Luis Munoz Marin Intl
Fri 7/31
2:42 pm-9:35 pm
1 stop6h 53m
$606
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 7/31
2:20 pm-1:20 am
2 stops11h 00m
San Juan Luis Munoz Marin Intl
Sun 8/2
11:35 am-9:15 pm
2 stops9h 40m
$656
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Tue 6/9
2:45 pm-12:45 am
2 stops10h 00m
San Juan Luis Munoz Marin Intl
Tue 6/16
9:50 am-9:15 pm
2 stops11h 25m
$706
Cheapest one-way
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Sun 7/5
8:15 am-12:41 am
1 stop16h 26m
$181
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 6/1
12:27 pm-2:33 pm
1 stop26h 06m
$192
Showing 1-10 of 13 resultsSorted by cheapest first
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.
TYS-SJU
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
TYS-PR0
TYS-SJU
How far ahead should I book a flight from Knoxville to Puerto Rico?
The price you pay for your flight from Knoxville to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 29 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 Knoxville to Puerto Rico?
Currently, July is the cheapest month in which you can book a flight from Knoxville to Puerto Rico (average of $100). Flying from Knoxville to Puerto Rico in March is currently the most expensive (average of $487). 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.
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 May 13, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
7.9
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Knoxville to Puerto Rico
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Puerto Rico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Knoxville to Puerto Rico by cabin class
Find flights from Knoxville to Puerto Rico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Puerto Rico flights
Browse other Knoxville and Puerto Rico flight options. Last updated on May 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Knoxville to Puerto Rico
Discover the top 4 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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$345 | Average$514 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$376 | Average$516 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$385 | Average$547 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$460 | Average$635 | FlexibilityNo cancel fee | On-time69% |