Cheapest return flights from Raleigh-durham to San Juan in July from 391€

Best time to book flights for Raleigh-durham (RDU) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Juan (SJU) in July 2025 (see full year).

Return flights

12 Jul - 19 Jul Frontier Airlines direct
23 Jul - 30 Jul Frontier Airlines direct
14 Jul - 18 Jul Frontier Airlines direct
22 Jul - 26 Jul Southwest Airlines
17 Jul - 21 Jul Frontier Airlines
10 Jul - 18 Jul Frontier Airlines
10 Jul - 14 Jul Frontier Airlines
02 Jul - 12 Jul Frontier Airlines

Also check the deals for one-way flights from Raleigh-durham to San Juan in July.

Skyscanner

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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