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$199+ Cheap flights from Key Largo, FL to Barcelona

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BCN
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Key Largo to Barcelona are usually found in January or February, booked 62 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Key Largo to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Barcelona (S37). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$409
(Kiwi.com)

One-way from

$199
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$478
From Key Largo to Barcelona
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One-way flight from Key Largo to Barcelona
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Highest demand for flights based on searches. 28% potential increase in price ($268 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Key Largo to Barcelona

Cheapest flights from Key Largo to Barcelona
Explore the most affordable flight options available from Key Largo to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/269:45 pmMIA - BCN
Nonstop9h 20mVueling
Fri 3/72:40 pmBCN - MIA
Nonstop11h 20mVueling
Deal found 1/21$409
This Mytrip deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/69:30 pmMIA - BCN
1 stop13h 05mAir Europa
Mon 11/1011:50 amBCN - MIA
1 stop13h 35mAir Europa
Deal found 1/20$416
This FlightHub deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/34:30 pmMIA - BCN
1 stop25h 15mTAP AIR PORTUGAL
Mon 2/109:10 pmBCN - MIA
1 stop23h 35mTAP AIR PORTUGAL
Deal found 1/20$418
This Iberia deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/219:45 pmMIA - BCN
Nonstop9h 20mIberia
Sun 3/22:55 pmBCN - MIA
Nonstop11h 20mIberia
Deal found 1/21$446
This Cheapflightsfares deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/267:40 amMIA - BCN
2 stops26h 15mITA Airways
Wed 3/56:25 amBCN - MIA
1 stop15h 50mITA Airways
Deal found 1/21$461
This Kiwi.com deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2611:10 amMIA - BCN
2 stops26h 00mMultiple Airlines
Fri 3/75:30 pmBCN - MIA
1 stop31h 15mMultiple Airlines
Deal found 1/21$480
This Cheapflightsfares deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/210:30 pmMIA - BCN
2 stops29h 20mAir Canada
Tue 2/1112:15 pmBCN - MIA
2 stops17h 42mAir Canada
Deal found 1/21$494
This Finnair deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:40 pmMIA - BCN
Nonstop9h 00mFinnair
Thu 11/611:00 amBCN - MIA
Nonstop10h 30mFinnair
Deal found 1/20$497
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/510:50 amMIA - BCN
2 stops17h 00mUnited Airlines
Wed 3/1211:15 amBCN - MIA
2 stops40h 30mUnited Airlines
Deal found 1/21$498
This Expedia deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/1010:05 pmMIA - BCN
1 stop15h 45mBritish Airways
Tue 2/1811:00 amBCN - MIA
Nonstop10h 20mBritish Airways
Deal found 1/21$509
This oojo deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/149:20 pmMIA - BCN
1 stop14h 50mRoyal Air Maroc
Fri 2/2112:45 pmBCN - MIA
1 stop12h 35mRoyal Air Maroc
Deal found 1/21$530
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/79:45 pmMIA - BCN
Nonstop9h 20mAmerican Airlines
Fri 2/212:40 pmBCN - MIA
Nonstop11h 20mAmerican Airlines
Deal found 1/21$561

Find flights from Key Largo to Barcelona within your budget

Customize your flight search to find flights from Key Largo to Barcelona 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, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 2/26

11:30 pm-8:20 pm

1 stop14h 50m

Barcelona-El Prat

Wed 3/5

10:55 am-9:45 pm

1 stop16h 50m

$414

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Tue 2/18

9:45 pm-4:35 pm

1 stop12h 50m

Barcelona-El Prat

Thu 2/27

11:50 am-7:25 pm

1 stop13h 35m

$420

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 2/12

9:45 pm-1:05 pm

Nonstop9h 20m

Barcelona-El Prat

Fri 2/21

2:40 pm-8:00 pm

Nonstop11h 20m

$427

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Fri 2/7

9:45 pm-1:05 pm

Nonstop9h 20m

Barcelona-El Prat

Wed 2/19

2:40 pm-8:00 pm

Nonstop11h 20m

$446

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 2/26

7:40 am-10:50 am

2 stops21h 10m

Barcelona-El Prat

Wed 3/5

6:25 am-4:15 pm

1 stop15h 50m

$461

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 3/5

1:55 pm-9:50 am

1 stop13h 55m

Barcelona-El Prat

Fri 3/14

5:55 am-10:37 pm

2 stops21h 42m

$492

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 3/5

8:45 am-9:50 am

2 stops19h 05m

Barcelona-El Prat

Wed 3/12

11:15 am-6:45 pm

2 stops36h 30m

$498

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 3/5

5:15 pm-11:25 am

1 stop12h 10m

Barcelona-El Prat

Wed 3/19

11:00 am-4:30 pm

Nonstop10h 30m

$499

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Tue 2/18

6:25 pm-8:05 pm

1 stop19h 40m

Barcelona-El Prat

Thu 2/27

11:00 am-3:20 pm

Nonstop10h 20m

$504

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 3/19

6:15 pm-11:25 am

1 stop12h 10m

Barcelona-El Prat

Thu 3/27

6:40 am-3:45 pm

1 stop14h 05m

$529

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 22 results
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2
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Best time to book a flight from Key Largo to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona from Key Largo with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Key Largo to Barcelona

Get recent, data-driven insights about flights from Key Largo to Barcelona including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Key Largo to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Barcelona. Price data was last updated on January 17, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Barcelona. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Key Largo to Barcelona (average of $523). Flying from Key Largo to Barcelona in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KE9 to BCN?

Find hourly flight availability from Key Largo to Barcelona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to Barcelona as you normally would.

What is the cheapest day to fly from Key Largo to Barcelona?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Barcelona. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Barcelona flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Barcelona

Explore weekly flight availability from Key Largo to Barcelona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.

The most flights from KE9 to S37 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Barcelona by month

Plan your trip to Barcelona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona when rainfall is around 0.8 in.

Temperature in Barcelona by month

Plan your trip to Barcelona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona. Reviews last updated January 21, 2025.
Read reviews from past customers who have flown Vueling, Air Europa and Iberia from Key Largo to Barcelona. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,286 reviews

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Finnair
7.6
Good
1,286 reviews
Finnair
7.6
Good
1,286 reviews

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Austrian Airlines
7.6
Good
786 reviews
Finnair
7.6
Good
1,286 reviews

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

United Airlines
7.4
Good
8,984 reviews
Finnair
7.6
Good
1,286 reviews

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,286 reviews

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Vueling
7.1
Good
1,182 reviews
Finnair
7.6
Good
1,286 reviews

Comfort

7.5

Food

6.7

Crew

8.1

Entertainment

6.9

Overall

7.6

Boarding

7.7

Reviews

1 / 10

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Barcelona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Key Largo to Barcelona one-way?

    To fly one-way, consider booking your trip with Vueling, which is currently one of the cheapest options available, starting at $253. Iberia flights start at $319 while deals on Air Europa start at $324 one-way.

  • What are the most popular routes from Key Largo to Barcelona?

    Most travelers choose Miami - Barcelona-El Prat, Miami - Girona Costa Brava or Miami - Reus when deciding on the best route from Key Largo to Barcelona.

  • What are the most reliable airlines from Key Largo to Barcelona?

    The top 3 most reliable airlines when flying from Key Largo to Barcelona are Qatar Airways (87%), Vueling (87%) and American Airlines (82%).

  • What are the cheapest flights from Key Largo to Barcelona?

    Looking for the cheapest flight from Key Largo to Barcelona? While on average our users pay $1,474, our data indicates the cheapest price to be $257. The most popular route (Miami - Barcelona-El Prat), is priced around $365.

  • Can I find deals for flights from Key Largo to Barcelona that include hotel bookings?

    Yes. In addition to deals on Key Largo to Barcelona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Barcelona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Barcelona.

  • Can I find deals for business class flights from Key Largo to Barcelona?

    Yes. Cheapflights offers flight deals from Key Largo to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Key Largo to Barcelona?

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Barcelona (average of $523). Flying from Key Largo to Barcelona in June is currently the most expensive (average of $1,097). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 10 airlines flying from Key Largo to Barcelona

Discover the top 10 airlines that operate flights from Key Largo to Barcelona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$153Average$669FlexibilityNo cancel feeOn-time77%
LEVELCheapest$287Average$584FlexibilityNo cancel feeOn-timeN/A
VuelingCheapest$359Average$780FlexibilityNo cancel feeOn-time88%
TAP AIR PORTUGALCheapest$371Average$591FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$426Average$842FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$432Average$727FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$436Average$833FlexibilityNo cancel feeOn-time67%
FinnairCheapest$437Average$736FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$438Average$680FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$441Average$782FlexibilityNo cancel feeOn-time70%
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