$675 Cheap Flights from Lisbon (LIS) to Key West (EYW)

View $675 flight on Sun, Nov 16, 2025Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to Key West Intl. Airport (EYW)

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Cheap Flights from Lisbon to Key West (LIS-EYW)

Prices were available within the past 7 days and start at $675 for one-way flights and $746 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$746 Roundtrip, found 4 days ago
$746
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $746 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$775 Roundtrip, found 4 days ago
$775
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $775 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$873 Roundtrip, found 4 days ago
$873
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $873 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$879 Roundtrip, found 4 days ago
$879
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $879 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$884 Roundtrip, found 4 days ago
$884
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $884 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$898 Roundtrip, found 4 days ago
$898
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $898 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$939 Roundtrip, found 4 days ago
$939
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $939 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$974 Roundtrip, found 4 days ago
$974
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $974 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$1,003 Roundtrip, found 4 days ago
$1,003
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $1,003 found 4 days ago
British Airways
Sat, Sep 13 - Sat, Sep 20
LIS
Lisbon
EYW
Key West
$1,018 Roundtrip, found 4 days ago
$1,018
Roundtrip
found 4 days ago
Select British Airways flight, departing Sat, Sep 13 from Lisbon to Key West, returning Sat, Sep 20, priced at $1,018 found 4 days ago
Flights from Lisbon (LIS) to Key West (EYW)
Origin airport
Humberto Delgado
Destination airport
Key West Intl.
Roundtrip price
$746
Distance
4272 mi

Lisbon to Key West Flights

The cheapest times to fly from Lisbon to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Key West are during the month of September. You can find some of the cheapest flights from Lisbon to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to Key West

Sunday is one of the best days to book for cheap flights from Lisbon to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lisbon to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $675 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to Key West Intl. Airport (EYW) cost?
Discover the latest flight deals from LIS to EYW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LIS to EYW?
The cheapest flights from LIS to EYW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from LIS to EYW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from LIS to EYW. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Humberto Delgado Airport (LIS) to Key West Intl. Airport (EYW)?
There aren't any daily direct flights departing from Humberto Delgado Airport (LIS) to Key West Intl. Airport (EYW). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from LIS to EYW?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Humberto Delgado Airport (LIS) to Key West Intl. Airport (EYW)?
To avoid potential delays on the Humberto Delgado Airport (LIS) to Key West Intl. Airport (EYW) route, fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Key West Intl. Airport (EYW) last-minute?
Last-minute bookings from LIS to EYW are usually more expensive. To lock in the lowest rates, start searching for flights as early as possible. That said, if your travel plans are flexible, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a LIS to EYW flight and hotel package?
Securing a LIS to EYW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Key West Intl. Airport (EYW)?
Typically, you can modify or cancel your LIS to EYW flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.