What’s the cost of a flight from Key West to San Diego?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Key West and San Diego.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Which airports serve Key West and San Diego?

When planning a trip of about 3557 km, it's a good idea to check flights from surrounding airports too.

• Airports in Key West: Key West - International is the only operational airport in the area.
• Airports in San Diego: Another nearby option is McClellan-Palomar.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

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Other popular destinations

Looking for alternatives in United States? Travelers also liked: Las Vegas, Los Angeles, Miami, New York City, Orlando.

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