Cheapest return RDU–SJO flights, June

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to San Jose (SJO) in June 2026 (see full year).

Return flights

08 Jun - 11 Jun Copa
05 Jun - 07 Jun Copa
20 Jun - 23 Jun Breeze Airways
01 Jun - 07 Jun Frontier Airlines
26 Jun - 29 Jun Copa
02 Jun - 07 Jun Copa
15 Jun - 06 Jul Copa
19 Jun - 22 Jun Copa
02 Jun - 06 Jun United
14 Jun - 06 Jul Copa
12 Jun - 15 Jun Frontier Airlines
28 Jun - 11 Jul Southwest Airlines
11 Jun - 14 Jun Frontier Airlines
16 Jun - 06 Jul Frontier Airlines

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

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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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