Looking for the price of a flight from Key West to Portsmouth?

There’s no fixed price — fares between Key West and Portsmouth can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

What are the airport options between Key West and Portsmouth?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Key West: Key West - International is currently the only airport available.
• Airports in Portsmouth: Portsmouth has one airport operating, Portsmouth - Pease International.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Find the best flight from Key West to Portsmouth

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to United States? Travelers also looked at: Atlanta, Los Angeles, Miami, New York City, Orlando.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Key West – Portsmouth flights.