$126+ Cheap flights from Knoxville (TYS) to San Juan
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 7 — Aug 141
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to San Juan 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 San Juan
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Best
Last-minute
One-way
Cheapest flights from Knoxville to San JuanExplore the most affordable flight options available from Knoxville to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.
Explore the most affordable flight options available from Knoxville to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 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.
Thu 8/68:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Thu 8/136:44 am
SJU
- TYS
1 stop12h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$223
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 8/147:15 pm
TYS
- SJU
1 stop29h 26m
Multiple Airlines
Sun 8/237:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$245
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.
Mon 8/178:35 am
TYS
- SJU
1 stop16h 06m
Multiple Airlines
Sat 8/226:35 am
SJU
- TYS
1 stop27h 29m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$266
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.
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 7/7![Multiple Airlines logo]()
$269
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.
Mon 8/312:40 pm
TYS
- SJU
1 stop25h 20m
Multiple Airlines
Thu 8/66:00 am
SJU
- TYS
1 stop8h 06m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$271
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 8/147:15 pm
TYS
- SJU
1 stop29h 26m
Multiple Airlines
Mon 8/246:44 am
SJU
- TYS
1 stop11h 51m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$272
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.
Thu 8/274:52 pm
TYS
- SJU
1 stop23h 19m
Multiple Airlines
Sun 8/307:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$279
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
Best flights from Knoxville to San JuanDiscover carefully curated flight deals from Knoxville to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
Discover carefully curated flight deals from Knoxville to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
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.
Mon 8/178:35 am
TYS
- SJU
1 stop16h 06m
Multiple Airlines
Sat 8/226:35 am
SJU
- TYS
1 stop27h 29m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$266
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.
Thu 8/272:05 pm
TYS
- SJU
2 stops9h 45m
Southwest
Sun 8/305:00 am
SJU
- TYS
1 stop10h 00m
Southwest
Deal found 7/7![Southwest logo]()
$416
This Delta 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 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 7/7![Delta logo]()
$540
This United 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 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
2 stops17h 02m
United Airlines
Deal found 7/7![United Airlines logo]()
$622
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 United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:00 am
TYS
- SJU
2 stops16h 50m
United Airlines
Sat 9/51:00 am
SJU
- TYS
2 stops15h 58m
United Airlines
Deal found 7/6![United Airlines logo]()
$659
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:00 am
TYS
- SJU
2 stops8h 50m
Southwest
Fri 8/76:30 am
SJU
- TYS
2 stops12h 05m
Southwest
Deal found 7/8![Southwest logo]()
$636
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 8/62:05 pm
TYS
- SJU
2 stops9h 45m
Southwest
Sun 8/910:05 am
SJU
- TYS
2 stops11h 40m
Southwest
Deal found 7/4![Southwest logo]()
$636
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.
Fri 8/217:20 pm
TYS
- SJU
2 stops16h 37m
United Airlines
Mon 8/241:00 am
SJU
- TYS
2 stops13h 37m
United Airlines
Deal found 7/3![United Airlines logo]()
$728
Last-minute flights from Knoxville to San JuanDiscover last-minute flight deals from Knoxville to San Juan. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to San Juan. Data last updated July 8, 2026 and is based on user searches.
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.
Mon 8/312:40 pm
TYS
- SJU
1 stop25h 20m
Multiple Airlines
Thu 8/66:00 am
SJU
- TYS
1 stop8h 06m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$271
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.
Thu 8/68:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Thu 8/136:44 am
SJU
- TYS
1 stop12h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$223
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.
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 7/7![Multiple Airlines logo]()
$269
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 7/7. 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 8/147:15 pm
TYS
- SJU
1 stop29h 26m
Multiple Airlines
Sun 8/237:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$245
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 8/147:15 pm
TYS
- SJU
1 stop29h 26m
Multiple Airlines
Mon 8/246:44 am
SJU
- TYS
1 stop11h 51m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$272
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.
Mon 8/178:35 am
TYS
- SJU
1 stop16h 06m
Multiple Airlines
Sat 8/226:35 am
SJU
- TYS
1 stop27h 29m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$266
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.
Thu 8/274:52 pm
TYS
- SJU
1 stop23h 19m
Multiple Airlines
Sun 8/307:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$279
One-way flights from Knoxville to San JuanSearch for one-way flight options from Knoxville to San Juan. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
Search for one-way flight options from Knoxville to San Juan. Find affordable one-way fares based on user searches. Data last updated July 8, 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 7/7. 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.
Sat 9/196:55 pm
TYS
- SJU
1 stop28h 43m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$142
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 7/7. 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.
Sun 9/206:49 pm
TYS
- SJU
1 stop28h 49m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$157
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 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.
Tue 9/2212:45 pm
TYS
- SJU
1 stop8h 20m
Southwest
Deal found 7/7![Southwest logo]()
$170
Find flight deals from Knoxville to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to San Juan (PR1). 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 8, 2026.
Round-trip from | $223 (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 San Juan 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 8, 2026.
Use the filters below to find and compare flights from Knoxville to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 8/17
8:35 am-12:41 am
1 stop16h 06m
San Juan Luis Munoz Marin Intl
Sat 8/22
6:35 am-10:04 am
1 stop27h 29m
$266
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 8/27
2:05 pm-11:50 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Sun 8/30
5:00 am-3:00 pm
1 stop10h 00m
$416
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
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
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-9:57 am
2 stops17h 02m
$622
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Sat 8/1
7:00 am-3:50 pm
2 stops8h 50m
San Juan Luis Munoz Marin Intl
Fri 8/7
6:30 am-6:35 pm
2 stops12h 05m
$636
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 8/6
2:05 pm-11:50 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Sun 8/9
10:05 am-9:45 pm
2 stops11h 40m
$636
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Wed 9/2
7:00 am-11:50 pm
2 stops16h 50m
San Juan Luis Munoz Marin Intl
Sat 9/5
1:00 am-4:58 pm
2 stops15h 58m
$659
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/21
7:20 pm-11:57 am
2 stops16h 37m
San Juan Luis Munoz Marin Intl
Mon 8/24
1:00 am-2:37 pm
2 stops13h 37m
$728
Cheapest one-way
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Wed 10/14
4:14 pm-11:38 pm
1 stop7h 24m
$154
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Knoxville to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Knoxville with our price prediction graph.
TYS-PR1
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 San Juan
TYS-PR1
TYS-SJU
What is the cheapest month to book a flight from Knoxville to San Juan?
Currently, November is the cheapest month in which you can book a flight from Knoxville to San Juan (average of $160). Flying from Knoxville to San Juan 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.
How much does it cost to fly round-trip from Knoxville to San Juan?
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated July 8, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from Knoxville to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Entertainment
7.5
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 San Juan. 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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Alternative routes for Knoxville to San Juan
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Complete your trip
Complete your trip to San Juan by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Knoxville to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and San Juan flights
Browse other Knoxville and San Juan flight options. Last updated on July 8, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on July 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Knoxville to San Juan
Discover the top 3 airlines that operate flights from Knoxville to San Juan. 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 8, 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 |