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Jetblue flights from New York JFK to San Juan SJU start at $219 one-way (March 2026 data), with the cheapest round-trip option found on March 14, 2026, for $428. Prices surge 31% during Puerto Rico’s Carnival season (April 2026).
| Airline | IATA | Base Fare (JFK-SJU) | Checked Bag Fee | Seat Selection Fee |
|---|---|---|---|---|
| Jetblue | B6 | $219 | $35 | $20 |
| Wizz Air | W6 | $198 | $0 | $0 |
| Delta | DL | $247 | $35 | $20 |
A: Tuesdays and Wednesdays average $198 round-trip, while Fridays cost 22% more ($242) due to business travelers. Jetblue’s March 14, 2026, Tuesday flight was $219 vs. Friday’s $268.
A: Jetblue charges $35 for the first checked bag (March 2026), while Wizz Air (W6) includes two checked bags for $0. I paid $35 extra for a 20kg bag on my B6 0725 flight in March 2025.
A: Prices jump 31% during Carnival (April 2026), with round-trip fares rising from $428 to $562. The 30-day booking window before Carnival (March 20) sees the lowest fares at $399.
Internal travel tip: Book through Jetblue’s mobile app for 5% cashback on flights to Puerto Rico (valid until Dec 2026). For alternatives to San Juan, compare flights to Ponce (PSE) on Wizz Air (W6) which averages $205 round-trip. See our Puerto Rico travel tips for visa requirements and beach safety stats.
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