San Juan (SJU) to Philadelphia (PHL) flight deal in economy from $78

Frontier AirlinesF9Frontier Airlines
One Way•Economy
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
United StatesPHL

Philadelphia International Airport

Philadelphia, United States
$144 USD
-46%$78 USD
Verified about 3 hours ago
Extremely Rare Availability
1% of dates checked are available within 10% of the lowest price

Thursday, September 3rd, 2026

Outbound Flights

4h 4m·Nonstop
$78 USD
Frontier Airlines
SJUSep 3 06:44
→
PHLSep 3 10:48
F9 1015Airbus A321neo
4h 2m·Nonstop
$78 USD
Frontier Airlines
SJUSep 3 11:24
→
PHLSep 3 15:26
F9 1725Airbus A321neo
4h 4m·Nonstop
$78 USD
Frontier Airlines
SJUSep 3 19:55
→
PHLSep 3 23:59
F9 2695Airbus A321neo
6h 30m·1 stop
$198 USD
Frontier Airlines
SJUSep 3 03:10
→
MCOSep 3 06:10
F9 1823Airbus A320neo
51m layover
Frontier Airlines
MCOSep 3 07:01
→
PHLSep 3 09:40
F9 2506Airbus A321
7h 20m·1 stop
$198 USD
Frontier Airlines
SJUSep 3 12:11
→
MCOSep 3 15:25
F9 2981Airbus A320neo
1h 22m layover
Frontier Airlines
MCOSep 3 16:47
→
PHLSep 3 19:31
F9 4404Airbus A320neo
12h 52m·1 stop
$228 USD
Frontier Airlines
SJUSep 3 20:43
→
MCOSep 3 23:43
F9 1745Airbus A320neo
7h 15m layover·Overnight
Frontier Airlines
MCOSep 4 06:58
→
PHLSep 4 09:35
F9 2506Airbus A320neo
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