Cheapest return flights from Jacksonville to Lisbon in December from 540€

AirHint found the following cheapest return flights from Jacksonville (JAX) to Lisbon (LIS) in December 2025 (see full year).

Return flights

29 Dec - 09 Jan United
19 Dec - 22 Dec Frontier Airlines

Also check the deals for one-way flights from Jacksonville to Lisbon in December.

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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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