$111+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — SJU
Jul 27 — Aug 31
Round-trip
1 adult, Economy
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Cheapest flights from Knoxville to Luis Munoz Marin IntlExplore 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 27, 2026.
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 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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
Thu 8/207:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/177:15 pm
TYS
- SJU
1 stop29h 41m
Multiple Airlines
Thu 8/207:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 6/22. 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
Tue 8/186:45 am
SJU
- TYS
1 stop27h 19m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/176:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 6/22. 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
Wed 8/196:45 am
SJU
- TYS
1 stop27h 19m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/168:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Thu 8/207:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/138:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Thu 8/207:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/1512:54 pm
TYS
- SJU
1 stop11h 47m
Multiple Airlines
Mon 8/176:26 am
SJU
- TYS
1 stop15h 58m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/612:40 pm
TYS
- SJU
1 stop25h 15m
Multiple Airlines
Fri 7/106:30 am
SJU
- TYS
1 stop15h 30m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/1512:54 pm
TYS
- SJU
1 stop11h 47m
Multiple Airlines
Sun 8/237:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 9/910:54 am
TYS
- SJU
1 stop12h 44m
Multiple Airlines
Sun 9/138:30 am
SJU
- TYS
1 stop8h 18m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 8/168:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Sun 8/237:00 am
SJU
- TYS
1 stop9h 25m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$280
Best flights from Knoxville to Luis Munoz Marin IntlDiscover carefully curated flight deals from Knoxville to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from Knoxville to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
This Delta deal was found by Cheapflights users on 6/26. 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 8/175:40 am
TYS
- SJU
1 stop8h 02m
Delta
Sun 8/307:00 am
SJU
- TYS
1 stop8h 30m
Delta
Deal found 6/26![Delta logo]()
$366
This Southwest deal was found by Cheapflights users on 6/22. 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 8/177:10 am
TYS
- SJU
2 stops9h 45m
Southwest
Thu 8/205:30 am
SJU
- TYS
2 stops11h 40m
Southwest
Deal found 6/22![Southwest logo]()
$395
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/285:45 am
TYS
- SJU
1 stop7h 09m
United Airlines
Mon 8/314:55 pm
SJU
- TYS
1 stop7h 04m
United Airlines
Deal found 6/26![United Airlines logo]()
$531
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Mon 8/36:00 am
TYS
- SJU
1 stop15h 59m
American Airlines
Mon 8/106:00 am
SJU
- TYS
1 stop12h 53m
American Airlines
Deal found 6/26![American Airlines logo]()
$546
This Southwest deal was found by Cheapflights users on 6/25. 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 8/2812:40 pm
TYS
- SJU
1 stop7h 25m
Southwest
Mon 8/315:30 am
SJU
- TYS
2 stops11h 40m
Southwest
Deal found 6/25![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 6/25. 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 8/218:25 am
TYS
- SJU
2 stops11h 40m
Southwest
Wed 9/910:30 am
SJU
- TYS
2 stops9h 20m
Southwest
Deal found 6/25![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 6/24. 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 9/217:10 am
TYS
- SJU
2 stops9h 45m
Southwest
Sat 9/2610:25 am
SJU
- TYS
2 stops8h 55m
Southwest
Deal found 6/24![Southwest logo]()
$444
This Delta deal was found by Cheapflights users on 6/25. 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 stop6h 34m
Delta
Deal found 6/25![Delta logo]()
$544
This Southwest deal was found by Cheapflights users on 6/25. 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 8/212:05 pm
TYS
- SJU
2 stops9h 45m
Southwest
Mon 8/2410:00 am
SJU
- TYS
1 stop7h 10m
Southwest
Deal found 6/25![Southwest logo]()
$444
This Southwest deal was found by Cheapflights users on 6/25. 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 8/212:05 pm
TYS
- SJU
2 stops9h 45m
Southwest
Fri 10/912:00 pm
SJU
- TYS
2 stops9h 55m
Southwest
Deal found 6/25![Southwest logo]()
$516
This Southwest deal was found by Cheapflights users on 6/22. 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 7/2212:45 pm
TYS
- SJU
1 stop7h 05m
Southwest
Mon 7/276:00 am
SJU
- TYS
1 stop7h 45m
Southwest
Deal found 6/22![Southwest logo]()
$541
Last-minute flights from Knoxville to Luis Munoz Marin IntlDiscover last-minute flight deals from Knoxville to Luis Munoz Marin Intl. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Luis Munoz Marin Intl. Data last updated June 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/312:40 pm
TYS
- SJU
1 stop25h 49m
Multiple Airlines
Thu 7/166:44 am
SJU
- TYS
1 stop13h 37m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/612:40 pm
TYS
- SJU
1 stop25h 15m
Multiple Airlines
Fri 7/106:30 am
SJU
- TYS
1 stop15h 30m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/22. 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
Wed 7/155:45 pm
SJU
- TYS
2 stops28h 39m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/22. 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
Fri 7/176:30 am
SJU
- TYS
1 stop15h 30m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/23. 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
Tue 7/216:44 am
SJU
- TYS
2 stops35h 15m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/1712:40 pm
TYS
- SJU
1 stop25h 15m
Multiple Airlines
Fri 7/246:45 am
SJU
- TYS
1 stop15h 15m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/1712:40 pm
TYS
- SJU
1 stop25h 15m
Multiple Airlines
Sun 7/268:37 pm
SJU
- TYS
1 stop26h 56m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 7/2012:40 pm
TYS
- SJU
1 stop25h 15m
Multiple Airlines
Mon 7/276:45 am
SJU
- TYS
1 stop15h 15m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/247:04 pm
TYS
- SJU
1 stop29h 37m
Multiple Airlines
Mon 7/278:52 am
SJU
- TYS
1 stop14h 41m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$333
One-way flights from Knoxville to Luis Munoz Marin IntlSearch for one-way flight options from Knoxville to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from Knoxville to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Trip.com deal was found by Cheapflights users on 6/24. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:31 am
TYS
- SJU
1 stop13h 10m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 7/612:40 pm
TYS
- SJU
1 stop25h 15m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 6/25. 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
Deal found 6/25![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 6/24. 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 7/168:15 am
TYS
- SJU
1 stop16h 26m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 7/151:05 pm
TYS
- SJU
2 stops35h 02m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/225:45 am
TYS
- SJU
1 stop6h 49m
United Airlines
Deal found 6/22![United Airlines logo]()
$239
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $226 (Kiwi.com) |
One-way from | $111 (Trip.com) |
Popular in | March |
Cheapest in | September |
Average price | $586 |
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 27, 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
Cheapest round-trip
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 8/17
5:40 am-1:42 pm
1 stop8h 02m
San Juan Luis Munoz Marin Intl
Sun 8/30
7:00 am-3:30 pm
1 stop8h 30m
$366
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
Thu 8/20
5:30 am-5:10 pm
2 stops11h 40m
$395
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/28
12:40 pm-8:05 pm
1 stop7h 25m
San Juan Luis Munoz Marin Intl
Mon 8/31
5:30 am-5:10 pm
2 stops11h 40m
$400
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/21
8:25 am-8:05 pm
2 stops11h 40m
San Juan Luis Munoz Marin Intl
Wed 9/9
10:30 am-7:50 pm
2 stops9h 20m
$400
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 9/21
7:10 am-4:55 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Sat 9/26
10:25 am-7:20 pm
2 stops8h 55m
$444
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/21
2:05 pm-11:50 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Mon 8/24
10:00 am-5:10 pm
1 stop7h 10m
$444
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/21
2:05 pm-11:50 pm
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Fri 10/9
12:00 pm-9:55 pm
2 stops9h 55m
$516
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/28
5:45 am-12:54 pm
1 stop7h 09m
San Juan Luis Munoz Marin Intl
Mon 8/31
4:55 pm-11:59 pm
1 stop7h 04m
$531
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Wed 7/22
12:45 pm-7:50 pm
1 stop7h 05m
San Juan Luis Munoz Marin Intl
Mon 7/27
6:00 am-1:45 pm
1 stop7h 45m
$541
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-1:34 pm
1 stop6h 34m
$544
Showing 1-10 of 20 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
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 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 $456). 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 27, 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.
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
7.9
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 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.
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 locationsFajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón
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Other flights to Luis Munoz Marin Intl
Explore flights to Luis Munoz Marin Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 27, 2026.
Knoxville and Luis Munoz Marin Intl flights
Browse other Knoxville and Luis Munoz Marin Intl flight options. Last updated on June 27, 2026.
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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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$496 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$376 | Average$516 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$385 | Average$594 | FlexibilityNo cancel fee | On-time71% |