Cheapest one-way flights from San Juan to Philadelphia in May from $79

AirHint found the following cheapest one-way flights from San Juan (SJU) to Philadelphia (PHL) in May 2026 (see full year).

One-Way flights

07 May Frontier Airlines direct
05 May Frontier Airlines direct
15 May Frontier Airlines direct
04 May Frontier Airlines direct
17 May Spirit Airlines direct
19 May Spirit Airlines direct
18 May Spirit Airlines direct
20 May Spirit Airlines direct
13 May Spirit Airlines direct
09 May Spirit Airlines direct

Also check the deals for return flights from San Juan to Philadelphia in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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