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Flights Cancún to San Juan (CUN-SJU): airlines, frequency, MXN fares | May 2026

Flights Cancún (CUN) to San Juan (SJU): AM, B6 operate ~7/week, 2.5h flight time. MXN fares, baggage comparison, best month. Caribbean leisure corridor.

FE By FlightsMX Editorial Team · Updated May 2026 · 5 min read

Flights Cancún → San Juan: airlines, fares, timing

Flight CUN → SJU is operated by Aeromexico, JetBlue (~7/week, ~2.5 h block time). Audience cluster: Caribbean leisure corridor. Visa for Mexican passport: B1/B2 required (territorio US). Destination currency: USD.

Airlines operating this route

Airlines operating nonstop CUN-SJU as of May 2026: Aeromexico, JetBlue. Compare baggage, dates and live prices.

MXN fares — what to expect

CUN-SJU economy class fares vary by season. Typical round-trip May 2026: see the live price widget below. Booking 4-8 weeks ahead typically saves 15-30% vs. last-minute.

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About San Juan

San Juan — Puerto Rico (US territory, B1/B2 visa required). Old San Juan, Condado, El Yunque rainforest.


Published by FlightsMX Editorial Team. Last verified: May 2026. Fares are reference brackets — verify with the airline before booking.

About FlightsMX Editorial Team

FlightsMX is a Mexican editorial team covering paisano-VFR logistics, Camino de Santiago planning, European diaspora corridors, and LATAM Pacific Alliance routes. Each article is written by one desk and fact-checked by another, published under a single team byline. See the full masthead and editorial standards.

Updated May 2026

Disclaimer: Fares, visa rules, and customs allowances change frequently. Verify everything with the airline, AFAC, INM, or SECTUR before booking.