Latest deals
FAQs
Price Alerts

Cheap flights from Spain to Key West from $1,166

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Spain to Key West departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Spain to Key West

Recent round-trip flight deals from Spain to Key West

Enter your travel dates to find the best prices.
American Airlines Logo
1:25 pm - 12:38 pm
AGP
-
EYW
53h 13m
2 stops
American Airlines Logo
6:46 pm - 8:30 am
EYW
-
AGP
55h 44m
2 stops
$1,166American Airlines
Thu, Apr 16 - Mon, Apr 20
Delta Logo
5:55 am - 5:30 pm
AGP
-
EYW
41h 35m
2 stops
Delta Logo
7:30 am - 11:45 am
EYW
-
AGP
22h 15m
2 stops
$1,560Delta
Tue, Apr 7 - Sat, Apr 11
American Airlines Logo
1:25 pm - 11:16 am
AGP
-
EYW
51h 51m
2 stops
American Airlines Logo
5:04 pm - 12:45 pm
EYW
-
AGP
37h 41m
2 stops
$1,566American Airlines
Tue, Apr 7 - Sat, Apr 11

American Airlines flights from Spain to Key West

Our best American Airlines deals on Spain to Key West flight tickets
American Airlines
Apr 16
AGP1:25 pmMalaga
53h 13m
2 stops
EYW12:38 pmKey West
Apr 20
EYW6:46 pmKey West
55h 44m
2 stops
AGP8:30 amMalaga
$1,166
American Airlines
Apr 7
AGP1:25 pmMalaga
51h 51m
2 stops
EYW11:16 amKey West
Apr 11
EYW5:04 pmKey West
37h 41m
2 stops
AGP12:45 pmMalaga
$1,566

momondo Fare Finder

 
Customize your flight search to find flights from Spain to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 25, 2026.
Use the filters below to find and compare flights from Spain to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MálagaKey West

AGP - EYW

AGPEYW

Malaga

Thu 4/16

1:25 pm-12:38 pm

2 stops53h 13m

Key West

Mon 4/20

6:46 pm-8:30 am

2 stops55h 44m

$1,166
Quickest round-trip

MálagaKey West

AGP - EYW

AGPEYW

Malaga

Tue 4/7

5:55 am-5:30 pm

2 stops41h 35m

Key West

Sat 4/11

7:30 am-11:45 am

2 stops22h 15m

$1,560

MálagaKey West

AGP - EYW

AGPEYW

Malaga

Tue 4/7

1:25 pm-11:16 am

2 stops51h 51m

Key West

Sat 4/11

5:04 pm-12:45 pm

2 stops37h 41m

$1,566

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Spain to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Spain to Key West

Fastest flight time

52h 32m

Direct flights

None
The fastest flight from Spain to Key West takes 52h 32m
There are no direct flights from Spain to Key West. There are no popular flight routes from Spain to Key West.
Search flight deals

  • When did momondo last update prices for flights from Spain to Key West Airport?

    Prices for flights from Spain to Key West Airport refresh daily.

  • How old do you have to be to fly from Spain to Key West Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Spain to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Spain to Key West?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Spain from Key West. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Spain to Key West with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Spain to Key West?

Finding the right flight to Key West from Spain is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Key West quick and easy, saving you time and money.

Can I find flights from Spain to Key West with flexible booking policies on momondo?

Flights from Spain to Key West with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Spain to Key West?

Once all potential Spain to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Spain to Key West right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from Spain and alert you when they change.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 4/24
Fri 5/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States