Cheapest return flights from Oklahoma City to San Juan in May from $335

AirHint found the following cheapest return flights from Oklahoma City (OKC) to San Juan (SJU) in May 2026 (see full year).

Return flights

06 May - 12 May Frontier Airlines
01 May - 10 May Frontier Airlines
04 May - 11 May Frontier Airlines
13 May - 17 May Frontier Airlines
29 May - 05 Jun United
10 May - 16 May Southwest Airlines
23 May - 30 May Frontier Airlines
28 May - 01 Jun Allegiant Air
20 May - 24 May Southwest Airlines

Also check the deals for one-way flights from Oklahoma City to San Juan 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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