Cheapest return flights from Raleigh-durham to San Juan in July from 310€

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

Return flights

29 Jul - 01 Aug Frontier Airlines
31 Jul - 03 Aug Southwest Airlines
30 Jul - 02 Aug Frontier Airlines
30 Jul - 06 Aug United
28 Jul - 31 Jul Frontier Airlines
29 Jul - 31 Jul Southwest Airlines
27 Jul - 29 Jul Southwest Airlines
31 Jul - 08 Aug Spirit Airlines
31 Jul - 10 Aug Spirit Airlines
28 Jul - 08 Aug Spirit Airlines
28 Jul - 07 Aug Spirit Airlines
28 Jul - 10 Aug Spirit Airlines
28 Jul - 03 Aug Spirit 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.