$126+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Aug 6 — Aug 131
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Puerto Rico with Cheapflights
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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 July 7, 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 July 7, 2026.
This Kiwi.com 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 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
Fri 8/146:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$244
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:40 pm
TYS
- SJU
1 stop25h 20m
Multiple Airlines
Fri 7/316:45 am
SJU
- TYS
1 stop15h 15m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$266
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:50 pm
TYS
- SJU
1 stop24h 51m
Multiple Airlines
Mon 8/176:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/6![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Wed 9/23:46 pm
TYS
- SJU
1 stop24h 25m
Multiple Airlines
Sun 9/66:35 am
SJU
- TYS
1 stop9h 32m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$279
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:52 pm
TYS
- SJU
1 stop27h 09m
Multiple Airlines
Thu 9/108:30 am
SJU
- TYS
1 stop8h 18m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/138:29 pm
TYS
- SJU
1 stop19h 42m
Multiple Airlines
Sat 8/226:35 am
SJU
- TYS
1 stop27h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$285
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:29 pm
TYS
- SJU
1 stop19h 42m
Multiple Airlines
Tue 8/186:35 am
SJU
- TYS
1 stop27h 29m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/1412:50 pm
TYS
- SJU
1 stop24h 51m
Multiple Airlines
Mon 8/246:44 am
SJU
- TYS
1 stop11h 51m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Wed 9/304:14 pm
TYS
- SJU
1 stop7h 24m
Multiple Airlines
Sun 10/41:59 am
SJU
- TYS
1 stop19h 22m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/29:11 pm
TYS
- SJU
1 stop18h 54m
Multiple Airlines
Fri 8/146:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$306
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 July 7, 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 July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/211:55 pm
TYS
- SJU
1 stop13h 04m
Multiple Airlines
Tue 8/255:37 pm
SJU
- TYS
2 stops40h 27m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 7/7. 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 8/211:00 pm
TYS
- SJU
1 stop9h 10m
Southwest
Tue 8/258:20 am
SJU
- TYS
2 stops10h 35m
Southwest
Deal found 7/7![Southwest logo]()
$416
This American Airlines deal was found by Cheapflights users on 7/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:08 am
TYS
- SJU
2 stops11h 47m
American Airlines
Sun 9/63:28 pm
SJU
- TYS
1 stop8h 23m
American Airlines
Deal found 7/7![American Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Mon 8/247:15 am
TYS
- SJU
1 stop8h 27m
United Airlines
Thu 8/274:55 pm
SJU
- TYS
1 stop7h 04m
United Airlines
Deal found 7/4![United Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 7/6. 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 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 8/107:00 am
SJU
- TYS
1 stop8h 30m
Delta
Deal found 7/6![Delta logo]()
$540
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:45 pm
TYS
- SJU
2 stops11h 25m
Southwest
Sat 10/317:50 am
SJU
- TYS
2 stops10h 00m
Southwest
Deal found 7/2![Southwest logo]()
$451
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:20 am
TYS
- SJU
2 stops13h 35m
Southwest
Mon 10/55:00 am
SJU
- TYS
2 stops11h 55m
Southwest
Deal found 7/6![Southwest logo]()
$461
This Southwest deal was found by Cheapflights users on 7/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am
TYS
- SJU
2 stops11h 10m
Southwest
Sun 9/66:00 am
SJU
- TYS
2 stops10h 05m
Southwest
Deal found 7/6![Southwest logo]()
$466
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:25 am
TYS
- SJU
2 stops11h 40m
Southwest
Wed 10/712:40 pm
SJU
- TYS
2 stops8h 20m
Southwest
Deal found 7/3![Southwest logo]()
$476
This Southwest deal was found by Cheapflights users on 7/4. 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.
Thu 8/132:05 pm
TYS
- SJU
2 stops9h 45m
Southwest
Sat 8/226:25 am
SJU
- TYS
2 stops11h 15m
Southwest
Deal found 7/4![Southwest logo]()
$481
Last-minute flights from Knoxville to Puerto RicoDiscover last-minute flight deals from Knoxville to Puerto Rico. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Puerto Rico. Data last updated July 7, 2026 and is based on user searches.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:40 pm
TYS
- SJU
1 stop25h 20m
Multiple Airlines
Fri 7/316:45 am
SJU
- TYS
1 stop15h 15m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/29:11 pm
TYS
- SJU
1 stop18h 54m
Multiple Airlines
Fri 8/146:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$306
This Kiwi.com 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 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
Fri 8/146:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/6![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/138:29 pm
TYS
- SJU
1 stop19h 42m
Multiple Airlines
Sat 8/226:35 am
SJU
- TYS
1 stop27h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$285
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:29 pm
TYS
- SJU
1 stop19h 42m
Multiple Airlines
Tue 8/186:35 am
SJU
- TYS
1 stop27h 29m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$288
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:50 pm
TYS
- SJU
1 stop24h 51m
Multiple Airlines
Mon 8/176:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 8/1412:50 pm
TYS
- SJU
1 stop24h 51m
Multiple Airlines
Mon 8/246:44 am
SJU
- TYS
1 stop11h 51m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$299
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 July 7, 2026.
Search for one-way flight options from Knoxville to Puerto Rico. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/2012:55 pm
TYS
- SJU
1 stop27h 06m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 9/1010:54 am
TYS
- SJU
1 stop12h 44m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$139
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:49 pm
TYS
- SJU
1 stop24h 22m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$153
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:14 pm
TYS
- SJU
1 stop7h 24m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$154
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:41 pm
TYS
- SJU
1 stop7h 00m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/97:45 am
TYS
- SJU
1 stop8h 26m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$167
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3112:40 pm
TYS
- SJU
1 stop25h 20m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$171
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 July 7, 2026.
Round-trip from | $244 (Kiwi.com) |
|---|---|
One-way from | $126 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $550 |
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 July 7, 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
Fri 8/21
1:55 pm-2:59 am
1 stop13h 04m
San Juan Luis Munoz Marin Intl
Tue 8/25
5:37 pm-10:04 am
2 stops40h 27m
$387
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/21
1:00 pm-10:10 pm
1 stop9h 10m
San Juan Luis Munoz Marin Intl
Tue 8/25
8:20 am-6:55 pm
2 stops10h 35m
$416
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Wed 9/2
10:08 am-9:55 pm
2 stops11h 47m
San Juan Luis Munoz Marin Intl
Sun 9/6
3:28 pm-11:51 pm
1 stop8h 23m
$451
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Sun 10/25
12:45 pm-12:10 am
2 stops11h 25m
San Juan Luis Munoz Marin Intl
Sat 10/31
7:50 am-5:50 pm
2 stops10h 00m
$451
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 10/1
8:20 am-9:55 pm
2 stops13h 35m
San Juan Luis Munoz Marin Intl
Mon 10/5
5:00 am-4:55 pm
2 stops11h 55m
$461
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Wed 9/2
7:00 am-6:10 pm
2 stops11h 10m
San Juan Luis Munoz Marin Intl
Sun 9/6
6:00 am-4:05 pm
2 stops10h 05m
$466
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 9/28
8:25 am-8:05 pm
2 stops11h 40m
San Juan Luis Munoz Marin Intl
Wed 10/7
12:40 pm-9:00 pm
2 stops8h 20m
$476
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 8/13
2:05 pm-11:50 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Sat 8/22
6:25 am-5:40 pm
2 stops11h 15m
$481
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 8/24
7:15 am-3:42 pm
1 stop8h 27m
San Juan Luis Munoz Marin Intl
Thu 8/27
4:55 pm-11:59 pm
1 stop7h 04m
$506
Quickest 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
7:00 am-3:30 pm
1 stop8h 30m
$540
Showing 1-10 of 19 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
What is the cheapest month to book a flight from Knoxville to Puerto Rico?
Currently, November is the cheapest month in which you can book a flight from Knoxville to Puerto Rico (average of $160). Flying from Knoxville to Puerto Rico in March is currently the most expensive (average of $521). 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 July 7, 2026.
See what other customers who have flown with Southwest,Delta, andAmerican 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.
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
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Knoxville and Puerto Rico flights
Browse other Knoxville and Puerto Rico flight options. Last updated on July 7, 2026.
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Top 3 airlines flying from Knoxville to Puerto Rico
Discover the top 3 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 July 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$365 | Average$596 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$376 | Average$516 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$426 | Average$501 | FlexibilityNo cancel fee | On-timeN/A |