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$475+ Cheap flights from Key Largo, FL to Portimão, Portugal

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — FAO
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Portimão are usually found in November or February, booked 49 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from Key Largo to Portimão

Keep the following information in mind while searching for Key Largo to Portimão flight deals. Data was last updated April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$764
(Gurufare)

One-way from

$475
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$813
Provider with most accurate pricing for Miami-Faro flight deals.
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Provider most trusted by Cheapflights users for Miami-Faro flights.
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From Key Largo to Portimão
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One-way flight from Key Largo to Portimão
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Highest demand for flights based on searches. 18% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Key Largo to Portimão

Cheapest flights from Key Largo to Portimão
Explore the most affordable flight options available from Key Largo to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2025.

This Gurufare deal was found by Cheapflights users on 4/3. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:30 pmMIA - FAO
2 stops31h 10mBritish Airways
Sat 10/118:00 pmFAO - MIA
1 stop23h 30mBritish Airways
Deal found 4/3$764
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 4/86:01 pmMIA - FAO
2 stops20h 09mAmerican Airlines
Tue 5/611:30 amFAO - MIA
1 stop32h 00mAmerican Airlines
Deal found 4/2$769
This TAP AIR PORTUGAL deal was found by Cheapflights users on 4/3. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:25 amMIA - FAO
1 stop11h 55mTAP AIR PORTUGAL
Sat 10/116:10 pmFAO - MIA
1 stop25h 35mTAP AIR PORTUGAL
Deal found 4/3$790
This United deal was found by Cheapflights users on 4/2. 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.
Sat 11/159:00 amMIA - FAO
2 stops22h 20mUnited Airlines
Sun 11/301:10 pmFAO - MIA
1 stop30h 25mUnited Airlines
Deal found 4/2$810
This Ovago deal was found by Cheapflights users on 4/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/202:40 pmMIA - FAO
2 stops19h 00mAer Lingus
Sat 10/1111:50 amFAO - MIA
2 stops25h 36mAer Lingus
Deal found 4/3$973
This Air Canada deal was found by Cheapflights users on 4/3. 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.
Mon 5/197:55 amMIA - FAO
2 stops25h 35mMultiple Airlines
Sat 6/286:50 pmFAO - MIA
2 stops33h 26mMultiple Airlines
Deal found 4/3$974
This Air Canada deal was found by Cheapflights users on 4/2. 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.
Tue 4/81:55 pmMIA - FAO
2 stops19h 40mAir Canada
Tue 5/66:05 amFAO - MIA
3 stops32h 05mAir Canada
Deal found 4/2$1,051

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to Portimão 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 April 3, 2025.
Use the filters below to find and compare flights from Key Largo to Portimão that are best for you.

Fly from

Key Largo

Fly to

Portimão

Route

Depart

Return

Price

MiamiFaro

MIA - FAO

MIAFAO

Miami

Sat 9/20

10:30 pm-10:40 am

2 stops31h 10m

Faro

Sat 10/11

8:00 pm-2:30 pm

1 stop23h 30m

$764

MiamiFaro

MIA - FAO

MIAFAO

Miami

Fri 9/19

12:25 am-5:20 pm

1 stop11h 55m

Faro

Sat 10/11

6:10 pm-2:45 pm

1 stop25h 35m

$790

MiamiFaro

MIA - FAO

MIAFAO

Miami

Mon 5/19

5:22 pm-9:50 am

1 stop11h 28m

Faro

Mon 6/23

3:25 pm-5:30 pm

2 stops31h 05m

$818

MiamiFaro

MIA - FAO

MIAFAO

Miami

Sat 9/20

2:40 pm-2:40 pm

2 stops19h 00m

Faro

Sat 10/11

11:50 am-8:26 am

2 stops25h 36m

$973

MiamiFaro

MIA - FAO

MIAFAO

Miami

Mon 5/19

7:55 am-2:30 pm

2 stops25h 35m

Faro

Sat 6/28

6:50 pm-11:16 pm

2 stops33h 26m

$974

MiamiFaro

MIA - FAO

MIAFAO

Miami

Sat 9/20

11:55 am-5:20 pm

2 stops24h 25m

Faro

Sat 10/11

6:05 am-8:48 pm

3 stops19h 43m

$1,051

MiamiFaro

MIA - FAO

MIAFAO

Miami

Mon 7/7

3:45 pm-2:45 pm

2 stops18h 00m

Faro

Sun 7/13

11:15 am-9:13 am

2 stops26h 58m

$1,109

MiamiFaro

MIA - FAO

MIAFAO

Miami

Wed 6/4

2:22 pm-9:35 am

1 stop14h 13m

$475

MiamiFaro

MIA - FAO

MIAFAO

Miami

Tue 4/8

5:00 pm-7:10 pm

1 stop21h 10m

$531

MiamiFaro

MIA - FAO

MIAFAO

Miami

Tue 4/8

4:30 pm-5:20 pm

1 stop19h 50m

$2,235

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Best time to book a flight from Key Largo to Portimão

Have a flexible travel schedule? Discover the best time to fly to Portimão 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 Portimão

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Portimão. Price data was last updated on March 28, 2025.

The price you pay for your flight from Key Largo to Portimão may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Key Largo to Portimão (average of $628). Flying from Key Largo to Portimão in June is currently the most expensive (average of $1,329). 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 P0T?

Find hourly flight availability from Key Largo to Portimão. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 3, 2025.

When flying from Key Largo to Portimão, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Portimão by month

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

In terms of precipitation, rainfall in Portimão ranges from 0.1 - 4.6 inches per month. December is typically the wettest month, when rainfall can reach 4.6 in. July is typically the driest time to visit Portimão when rainfall is around 0.1 in.

Temperature in Portimão by month

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

If weather is an important factor for your trip to Portimão, use this chart to help with planning. For those seeking warmer temperatures, July 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 53.6 F).

Reviews of airlines servicing Portimão

Get insights into the airlines that provide service to Portimão. 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 Portimão. Reviews last updated April 3, 2025.
To help decide which airline to fly from Key Largo to Portimão, see what other customers have to say about United Airlines, American Airlines and TAP AIR PORTUGAL. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,619 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,619 reviews
United Airlines
7.4
Good
8,619 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,619 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.1
Good
1,833 reviews
United Airlines
7.4
Good
8,619 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
9,028 reviews
United Airlines
7.4
Good
8,619 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Aer Lingus
7.0
Good
1,059 reviews
United Airlines
7.4
Good
8,619 reviews

Boarding

7.7

Overall

7.4

Crew

8.1

Entertainment

7.0

Food

6.6

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Portimão. 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 Portimão one-way?

    $475 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on British Airways and TAP AIR PORTUGAL, with prices starting from $531 and $2,235, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Portimão 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 Portimão?

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Portimão (average of $628). Flying from Key Largo to Portimão in June is currently the most expensive (average of $1,329). 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 2 airlines flying from Key Largo to Portimão

Discover the top 2 airlines that operate flights from Key Largo to Portimão. 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$455Average$781FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$673Average$726FlexibilityNo cancel feeOn-time70%

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