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Cheap flights from Key West to Europe from $324

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Europe departing on 1/9. 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
0 bags

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Cheap round-trip flights

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United Airlines Logo
2:47 pm - 11:25 amEYW-CDG
14h 38m1 stop
United Airlines Logo
2:00 pm - 1:51 pmCDG-EYW
29h 51m2 stops
$549United Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
KLM Logo
12:38 pm - 7:55 amEYW-FCO
13h 17m1 stop
KLM Logo
10:05 am - 8:06 pmFCO-EYW
16h 01m1 stop
$555KLM
Find Deal
Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
4:53 pm - 3:20 pmEYW-FCO
16h 27m2 stops
American Airlines Logo
1:10 pm - 4:07 pmFCO-EYW
32h 57m1 stop
$557American Airlines
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Thu, Dec 11 - Mon, Dec 15
Delta Logo
3:02 pm - 10:45 pmEYW-FCO
25h 43m2 stops
Delta Logo
6:10 am - 8:06 pmFCO-EYW
19h 56m2 stops
$559Delta
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Wed, Dec 3 - Wed, Dec 10
Delta Logo
7:40 am - 7:55 amEYW-FCO
18h 15m2 stops
Delta Logo
10:05 am - 8:06 pmFCO-EYW
16h 01m1 stop
$560Delta
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Thu, Dec 11 - Sun, Dec 14
American Airlines Logo
12:46 pm - 9:00 amEYW-FCO
14h 14m1 stop
American Airlines Logo
11:00 am - 11:34 amFCO-EYW
30h 34m1 stop
$561American Airlines
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Thu, Dec 11 - Thu, Dec 18
Multiple Airlines Logo
6:08 pm - 11:40 amEYW-LHR
12h 32m1 stop
Multiple Airlines Logo
6:20 am - 7:44 pmLHR-EYW
18h 24m2 stops
$600Multiple Airlines
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Sun, Feb 1 - Tue, Feb 10
British Airways Logo
7:45 pm - 12:20 pmEYW-LHR
11h 35m1 stop
British Airways Logo
10:45 am - 11:56 pmLHR-EYW
18h 11m2 stops
$637British Airways
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Sun, Feb 1 - Tue, Feb 10
British Airways Logo
7:45 pm - 12:20 pmEYW-LHR
11h 35m1 stop
British Airways Logo
9:45 am - 7:10 pmLHR-EYW
14h 25m1 stop
$657British Airways
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Sun, Feb 1 - Tue, Feb 10
Multiple Airlines Logo
1:33 pm - 10:35 amEYW-LHR
16h 02m2 stops
Multiple Airlines Logo
10:45 am - 11:56 pmLHR-EYW
18h 11m2 stops
$660Multiple Airlines
Find Deal
Sun, Feb 1 - Tue, Feb 10

KLM flights from Key West to Europe

Our best KLM deals on Key West to Europe flight tickets
KLM
Dec 3
EYW12:38 pmKey West
13h 17m
1 stop
FCO7:55 amRome Fiumicino
Dec 10
FCO10:05 amRome Fiumicino
16h 01m
1 stop
EYW8:06 pmKey West
$555
Find similar
KLM
Dec 3
EYW12:38 pmKey West
13h 17m
1 stop
FCO7:55 amRome Fiumicino
Dec 10
FCO6:10 amRome Fiumicino
19h 56m
2 stops
EYW8:06 pmKey West
$556
Find similar
KLM
Dec 11
EYW6:10 pmKey West
13h 05m
1 stop
CDG1:15 pmParis Charles de Gaulle
Dec 14
CDG8:55 amParis Charles de Gaulle
17h 11m
1 stop
EYW8:06 pmKey West
$572
Find similar

Delta flights from Key West to Europe

Our best Delta deals on Key West to Europe flight tickets
Delta
Dec 3
EYW3:02 pmKey West
25h 43m
2 stops
FCO10:45 pmRome Fiumicino
Dec 10
FCO6:10 amRome Fiumicino
19h 56m
2 stops
EYW8:06 pmKey West
$559
Find similar
Delta
Dec 11
EYW7:40 amKey West
18h 15m
2 stops
FCO7:55 amRome Fiumicino
Dec 14
FCO10:05 amRome Fiumicino
16h 01m
1 stop
EYW8:06 pmKey West
$560
Find similar
Delta
Mar 3
EYW7:00 amKey West
19h 50m
1 stop
LHR7:50 amLondon Heathrow
Mar 15
LHR11:45 amLondon Heathrow
27h 18m
2 stops
EYW11:03 amKey West
$704
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to Europe 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 October 28, 2025.
Use the filters below to find and compare flights from Key West to Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestParis

EYW - CDG

EYWCDG

Key West

Fri 12/12

2:47 pm-11:25 am

1 stop14h 38m

Paris Charles de Gaulle

Mon 12/15

2:00 pm-1:51 pm

2 stops29h 51m

$549

Key WestRome

EYW - FCO

EYWFCO

Key West

Wed 12/3

12:38 pm-7:55 am

1 stop13h 17m

Rome Fiumicino

Wed 12/10

10:05 am-8:06 pm

1 stop16h 01m

$555

Key WestRome

EYW - FCO

EYWFCO

Key West

Thu 12/11

4:53 pm-3:20 pm

2 stops16h 27m

Rome Fiumicino

Mon 12/15

1:10 pm-4:07 pm

1 stop32h 57m

$557

Key WestRome

EYW - FCO

EYWFCO

Key West

Wed 12/3

3:02 pm-10:45 pm

2 stops25h 43m

Rome Fiumicino

Wed 12/10

6:10 am-8:06 pm

2 stops19h 56m

$559

Key WestRome

EYW - FCO

EYWFCO

Key West

Thu 12/11

7:40 am-7:55 am

2 stops18h 15m

Rome Fiumicino

Sun 12/14

10:05 am-8:06 pm

1 stop16h 01m

$560

Key WestRome

EYW - FCO

EYWFCO

Key West

Thu 12/11

12:46 pm-9:00 am

1 stop14h 14m

Rome Fiumicino

Thu 12/18

11:00 am-11:34 am

1 stop30h 34m

$561

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/1

6:08 pm-11:40 am

1 stop12h 32m

London Heathrow

Tue 2/10

6:20 am-7:44 pm

2 stops18h 24m

$600

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/1

7:45 pm-12:20 pm

1 stop11h 35m

London Heathrow

Tue 2/10

10:45 am-11:56 pm

2 stops18h 11m

$637

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/1

7:45 pm-12:20 pm

1 stop11h 35m

London Heathrow

Tue 2/10

9:45 am-7:10 pm

1 stop14h 25m

$657

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sun 2/1

1:33 pm-10:35 am

2 stops16h 02m

London Heathrow

Tue 2/10

10:45 am-11:56 pm

2 stops18h 11m

$660

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Key West to Europe

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Europe?

The cheapest day to depart from Key West to Europe is on a Thursday. Travelers who choose to depart for Europe on a Thursday will often find tickets for as low as $751. Flights from Key West to Europe on a Tuesday will generally be more expensive and average around $1,117. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Europe?

According to our data, the cheapest time of day to fly to Europe is in the morning. momondo users have found flights departing from Key West to Europe in the morning for as low as $724. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $934. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Key West to Europe flights?

You could potentially save up to 14% on your flight if you consider stops on a Key West to Europe flight.

Cheap Key West to Europe flight deals and tips

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

Direct flights

None
There are no direct flights from Key West to Europe. There are no popular flight routes from Key West to Europe.
Search flight deals

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

    Prices for flights from Key West Airport to Europe are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to Europe.

  • What documentation or ID do you need to fly to Europe?

    The required travel and health documents for your Europe trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Europe. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Key West to Europe

Compare and see reviews for airlines that fly from Key West to Europe with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $585Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Key West to Europe flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Europe that suits you.

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

momondo does allow users to show only those flights to Europe from Key West which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Key West to Europe.

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

If you are not ready to book a flight from Key West to Europe now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Europe and let you know when they change.

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