Cheap flights from Key West to Porto

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adult
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

How much is a ticket from Key West to Porto?

Flight prices from Key West to Porto change depending on demand and time of booking.

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Which airports are most convenient between Key West and Porto?

Whether it’s cost or connection time, the right airport combination can make a difference.

  • Airports in Key West: Only Key West - International is currently active.
  • Airports in Porto: Porto is the only functioning airport for now.

In some cases, flying into a secondary airport can also reduce transfer costs. Connections from multiple airports give you more flight options and airlines.

Flights from Key West - International to Porto

Plan smarter: flights from Key West to Porto

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to Portugal also checked out: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.
Frequently Asked Questions

Frequently asked questions about flights from Key West to Porto.

How much does an airline ticket from Key West to Porto cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Key West to Porto.

How far is Key West from Porto?

Key West is about 6868 km from Porto.

What are the airports in Porto?

Porto has one airport: Porto.

What are the airports in Key West?

Key West has one airport: Key West - International.

What are the most popular cities in Portugal?

The most popular cities in Portugal according to our users' searches are: Faro, Funchal, Lisbon, Ponta Delgada, Porto.

When should I book a flight from Key West to Porto?

This information is not available at the moment.

What is the cheapest month to fly from Key West to Porto?

This information is not available at the moment.

What is the most expensive month to fly from Key West to Porto?

This information is not available at the moment.

What is the best day of the week to fly from Key West to Porto?

This information is not available at the moment.