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$260+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — BCN
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Barcelona are usually found in January or February, booked 40 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

Cheap flight deals from Key Largo to Barcelona

Keep the following information in mind while searching for Key Largo to Barcelona flight deals. Data was last updated March 31, 2025.

Round-trip from

$518
(FlightHub)

One-way from

$260
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$590
From Key Largo to Barcelona
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One-way flight from Key Largo to Barcelona
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($263 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This oojo deal was found by Cheapflights users on 3/31. 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.
Wed 10/2910:45 pmMIA - BCN
1 stop12h 50mAir Europa
Wed 11/1210:00 pmBCN - MIA
2 stops27h 25mAir Europa
Deal found 3/31$517
This FlightHub deal was found by Cheapflights users on 3/31. 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.
Tue 9/234:30 pmMIA - BCN
1 stop27h 00mTAP AIR PORTUGAL
Thu 10/910:40 pmBCN - MIA
1 stop29h 05mTAP AIR PORTUGAL
Deal found 3/31$518
This eDestinos deal was found by Cheapflights users on 3/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:45 pmMIA - BCN
Nonstop9h 20mIberia
Wed 12/1011:00 amBCN - MIA
Nonstop10h 30mIberia
Deal found 3/30$520
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 10/89:45 pmMIA - BCN
Nonstop9h 25mVueling
Fri 10/173:40 pmBCN - MIA
Nonstop10h 20mVueling
Deal found 3/30$536
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Sat 5/105:20 pmMIA - BCN
1 stop18h 50mMultiple Airlines
Thu 5/158:40 pmBCN - MIA
1 stop23h 40mMultiple Airlines
Deal found 3/30$537
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Wed 8/2011:15 amMIA - BCN
2 stops24h 55mScandinavian Airlines
Mon 9/87:00 pmBCN - MIA
2 stops34h 19mScandinavian Airlines
Deal found 3/30$571
This oojo deal was found by Cheapflights users on 3/30. 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 9/129:45 pmMIA - BCN
1 stop33h 00mRoyal Air Maroc
Sat 9/208:10 pmBCN - MIA
1 stop29h 35mRoyal Air Maroc
Deal found 3/30$638
This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2912:10 pmMIA - BCN
2 stops17h 15mDelta
Wed 11/126:00 amBCN - MIA
2 stops20h 55mDelta
Deal found 3/31$673
This Cheapflightsfares deal was found by Cheapflights users on 3/31. 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.
Tue 10/2812:20 amMIA - BCN
1 stop17h 55mITA Airways
Sun 11/166:20 amBCN - MIA
1 stop15h 35mITA Airways
Deal found 3/31$674
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:45 pmMIA - BCN
1 stop19h 00mUnited Airlines
Wed 12/3112:15 pmBCN - MIA
2 stops38h 06mUnited Airlines
Deal found 3/31$677
This Air Canada deal was found by Cheapflights users on 3/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/121:40 pmMIA - BCN
2 stops37h 40mAir Canada
Wed 10/2212:15 pmBCN - MIA
2 stops28h 43mAir Canada
Deal found 3/29$679
This Mytrip deal was found by Cheapflights users on 3/30. 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.
Tue 4/295:45 amMIA - GRO
3 stops32h 00mMultiple Airlines
Tue 5/65:55 amGRO - MIA
3 stops42h 50mMultiple Airlines
Deal found 3/30$702

Cheapflights Fare Finder

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 March 31, 2025.
Use the filters below to find and compare flights from Key Largo to Barcelona that are best for you.

Fly from

Key Largo

Fly to

Barcelona

Route

Depart

Return

Price

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Mon 5/12

5:15 pm-2:05 pm

1 stop14h 50m

Barcelona-El Prat

Mon 5/26

9:55 pm-2:20 pm

2 stops46h 25m

$529

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Thu 4/3

9:30 pm-4:35 pm

1 stop13h 05m

Barcelona-El Prat

Mon 4/28

3:30 pm-6:45 pm

2 stops33h 15m

$532

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 5/7

7:15 am-6:10 pm

2 stops28h 55m

Barcelona-El Prat

Tue 5/20

7:00 pm-11:19 pm

2 stops34h 19m

$583

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Fri 4/4

9:50 pm-1:10 pm

Nonstop9h 20m

Barcelona-El Prat

Thu 4/17

7:00 am-8:15 pm

1 stop19h 15m

$649

MiamiGirona

MIA - GRO

MIAGRO

Miami

Tue 4/29

5:45 am-7:45 pm

3 stops32h 00m

Girona Costa Brava

Tue 5/6

5:55 am-6:45 pm

3 stops42h 50m

$702

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 5/7

7:55 am-7:50 am

1 stop17h 55m

Barcelona-El Prat

Fri 5/16

12:15 pm-9:51 pm

2 stops39h 36m

$704

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Wed 5/7

3:55 am-1:30 am

1 stop15h 35m

Barcelona-El Prat

Mon 5/19

8:10 pm-2:45 pm

1 stop24h 35m

$705

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Sun 4/27

4:50 pm-7:35 am

Nonstop8h 45m

Barcelona-El Prat

Tue 5/13

1:30 pm-5:30 pm

Nonstop10h 00m

$710

MiamiBarcelona

MIA - BCN

MIABCN

Miami

Mon 4/28

7:23 am-8:20 am

2 stops18h 57m

Barcelona-El Prat

Wed 5/7

12:15 pm-2:56 pm

2 stops32h 41m

$713

MiamiReus

MIA - REU

MIAREU

Miami

Sun 8/31

7:30 pm-8:05 am

2 stops30h 35m

Reus

Sat 9/13

10:15 am-3:05 pm

2 stops34h 50m

$1,872

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 18 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to Barcelona

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 March 28, 2025.

Booking 40 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 $1,080). 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 March 31, 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 Wednesday mornings 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.

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 March 31, 2025.
Read reviews from past customers who have flown Scandinavian Airlines, Vueling and TAP AIR PORTUGAL from Key Largo to Barcelona. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.3
Good
1,326 reviews

Overall

7.3

Entertainment

6.5

Food

6.5

Crew

7.9

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Elita,Mar 2025

RIX - CPH

It’s OK, but I was some accidents during the flights
Scandinavian Airlines
7.3
Good
1,326 reviews
Scandinavian Airlines
7.3
Good
1,326 reviews

Overall

7.3

Entertainment

6.5

Food

6.5

Crew

7.9

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Elita,Mar 2025

RIX - CPH

It’s OK, but I was some accidents during the flights
Vueling
7.1
Good
1,149 reviews
Scandinavian Airlines
7.3
Good
1,326 reviews

Overall

7.3

Entertainment

6.5

Food

6.5

Crew

7.9

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Elita,Mar 2025

RIX - CPH

It’s OK, but I was some accidents during the flights
TAP AIR PORTUGAL
7.1
Good
1,831 reviews
Scandinavian Airlines
7.3
Good
1,326 reviews

Overall

7.3

Entertainment

6.5

Food

6.5

Crew

7.9

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Elita,Mar 2025

RIX - CPH

It’s OK, but I was some accidents during the flights
Iberia
7.0
Good
2,653 reviews
Scandinavian Airlines
7.3
Good
1,326 reviews

Overall

7.3

Entertainment

6.5

Food

6.5

Crew

7.9

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Elita,Mar 2025

RIX - CPH

It’s OK, but I was some accidents during the flights
Air Europa
6.9
Okay
504 reviews
Scandinavian Airlines
7.3
Good
1,326 reviews

Overall

7.3

Entertainment

6.5

Food

6.5

Crew

7.9

Comfort

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Elita,Mar 2025

RIX - CPH

It’s OK, but I was some accidents during the flights

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 $270. TAP AIR PORTUGAL flights start at $319 while deals on Iberia start at $336 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 (96%), Vueling (96%) and American Airlines (88%).

  • 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 $1,977, our data indicates the cheapest price to be $250. The most popular route (Miami - Barcelona-El Prat), is priced around $479.

  • 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 $1,080). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$153Average$661FlexibilityNo cancel feeOn-time77%
LEVELCheapest$288Average$588FlexibilityNo cancel feeOn-timeN/A
Royal Air MarocCheapest$316Average$584FlexibilityNo cancel feeOn-time75%
VuelingCheapest$358Average$672FlexibilityNo cancel feeOn-time88%
TAP AIR PORTUGALCheapest$370Average$549FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$423Average$804FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$432Average$741FlexibilityNo cancel feeOn-time81%
FinnairCheapest$436Average$737FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$436Average$772FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$436Average$815FlexibilityNo cancel feeOn-time67%
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