
Round-trip from | $279 (Kiwi.com) |
|---|---|
One-way from | $146 (American Airlines) |
Popular in | March |
Cheapest in | September |
Average price | $720 |
Fly from
Fly to
Route
Depart
Return
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 5/28
3:46 pm-12:54 am
1 stop9h 08m
San Juan Luis Munoz Marin Intl
Wed 6/3
3:58 pm-4:40 pm
2 stops48h 42m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 4/6
2:06 pm-8:53 am
1 stop18h 47m
San Juan Luis Munoz Marin Intl
Fri 4/10
7:00 am-5:30 pm
1 stop10h 30m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Sun 5/10
6:40 am-5:05 pm
2 stops10h 25m
San Juan Luis Munoz Marin Intl
Sun 5/17
6:25 am-9:05 pm
2 stops14h 40m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 8/28
8:25 am-8:05 pm
2 stops11h 40m
San Juan Luis Munoz Marin Intl
Sat 9/5
5:55 am-7:20 pm
1 stop13h 25m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Tue 7/21
7:10 am-5:05 pm
2 stops9h 55m
San Juan Luis Munoz Marin Intl
Tue 7/28
9:50 am-9:15 pm
2 stops11h 25m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Fri 5/15
8:05 am-8:00 pm
2 stops11h 55m
San Juan Luis Munoz Marin Intl
Wed 6/3
5:05 am-5:10 pm
2 stops12h 05m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Thu 5/28
8:05 am-8:00 pm
2 stops11h 55m
San Juan Luis Munoz Marin Intl
Wed 6/3
5:05 am-5:10 pm
2 stops12h 05m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 4/27
7:00 am-2:44 pm
1 stop7h 44m
San Juan Luis Munoz Marin Intl
Thu 4/30
7:20 am-2:34 pm
1 stop7h 14m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Mon 6/29
6:40 am-5:40 pm
2 stops11h 00m
San Juan Luis Munoz Marin Intl
Fri 7/3
11:35 am-9:10 pm
2 stops9h 35m
KnoxvilleSan Juan
TYS - SJU
TYSSJU
Knoxville McGhee Tyson
Sun 4/5
7:30 am-7:19 pm
1 stop11h 49m
Currently, August is the cheapest month in which you can book a flight from Knoxville to Puerto Rico (average of $108). Flying from Knoxville to Puerto Rico in March is currently the most expensive (average of $382). 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.
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
Entertainment
Boarding
Food
Overall
Comfort
Crew
Reviews
Dominic,Mar 2026
MCO - SMF
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$345 | Average$565 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$376 | Average$516 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$385 | Average$551 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$435 | Average$635 | FlexibilityNo cancel fee | On-time69% |