Book flights with Frontier Airlines

Quick facts about Frontier

Popular Frontier destinations

Looking for cheap flights with Frontier? Find a selection of the most popular destinations Frontier flies to below.

Popular Frontier routes

If you have flexible travel plans, check out this selection of Frontier routes.

Major airlines operating similar routes

Compare flights from major airlines operating in the U.S.

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American Airlines

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Delta

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United Airlines

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Southwest

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Alaska Airlines