Book a flight from Key West to Portsmouth at the best time

The search engine of Fly Scanner suggests you the ideal solution for travelling to United States, offering alternative dates and airports of your choice to save even more. Avoid wasting time and find the right flight for you in a single search customized to your needs.

Customize your search

Looking for a Key West - Portsmouth direct flight? In just a few seconds, our comparator will provide you with the best deals for your flight by selecting your travel optionsfrom more than 400 airlines: just filter your search according to your needs.

Compare cheap Key West - Portsmouth flights

Fly Scanner finds the best travel solutions among the offers of hundreds of airlines, proposing even cheaper alternatives.

Direct flights and flexible dates

Fly Scanner helps you save money by also showing you travel deals for days close to your chosen dates and for airports close to Key West or Portsmouth. Moreover, if you want to avoid stopovers, with Fly Scanner you can compare only the prices of direct flights from Key West to Portsmouth by simply checking the option on the search page.