Lisbon

$318+ Cheap flights from Key Largo, FL to Lisbon (LIS)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LIS
apr. 2 — apr. 91
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Cheapflights Tip: The best prices from Key Largo to Lisbon Humberto Delgado are usually found in February or November, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Key Largo to Lisbon

Keep the following information in mind while searching for Key Largo to Lisbon flight deals. Data was last updated marts 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(Delta)

One-way from

$318
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$699
Provider with most accurate pricing for Miami-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for Miami-Lisbon Humberto Delgado flights.
From Key Largo to Lisbon Humberto Delgado
One-way flight from Key Largo to Lisbon Humberto Delgado
Highest demand for flights based on searches. 21% potential increase in price ($230 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from Key Largo to Lisbon

Cheapest flights from Key Largo to Lisbon
Explore the most affordable flight options available from Key Largo to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marts 28, 2025.

This United deal was found by Cheapflights users on 3/27. 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.
ons. 4/27:23 amMIA - LIS
2 stops22h 07mUnited Airlines
tir. 4/812:15 pmLIS - MIA
1 stop31h 25mUnited Airlines
Deal found 3/27$605
This oojo deal was found by Cheapflights users on 3/28. 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.
ons. 9/249:45 pmMIA - LIS
1 stop18h 20mRoyal Air Maroc
lør. 10/116:40 pmLIS - MIA
1 stop30h 05mRoyal Air Maroc
Deal found 3/28$607
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
ons. 9/249:45 pmMIA - LIS
1 stop14h 20mIberia
ons. 10/86:35 amLIS - MIA
1 stop13h 30mIberia
Deal found 3/27$608
This Gurufare deal was found by Cheapflights users on 3/27. 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.
søn. 3/307:40 pmMIA - LIS
1 stop22h 40mMultiple Airlines
ons. 4/95:05 amLIS - MIA
1 stop14h 35mMultiple Airlines
Deal found 3/27$609
This Delta deal was found by Cheapflights users on 3/27. 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.
tor. 11/2010:20 amMIA - LIS
2 stops17h 40mDelta
fre. 12/511:15 amLIS - MIA
1 stop13h 44mDelta
Deal found 3/27$610
This SWISS deal was found by Cheapflights users on 3/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 11/197:50 pmMIA - LIS
2 stops37h 30mSWISS
søn. 11/301:35 pmLIS - MIA
2 stops56h 55mSWISS
Deal found 3/27$614
This oojo deal was found by Cheapflights users on 3/27. 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.
lør. 4/59:30 pmMIA - LIS
1 stop16h 45mAir Europa
ons. 4/97:40 amLIS - MIA
1 stop16h 05mAir Europa
Deal found 3/27$617
This Air Canada deal was found by Cheapflights users on 3/27. 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.
ons. 4/27:45 amMIA - LIS
2 stops20h 35mAir Canada
lør. 4/511:25 amLIS - MIA
2 stops35h 26mAir Canada
Deal found 3/27$618
This KLM deal was found by Cheapflights users on 3/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 4/211:41 amMIA - LIS
1 stop18h 04mKLM
søn. 4/610:00 amLIS - MIA
1 stop13h 54mKLM
Deal found 3/27$625
This Virgin Atlantic deal was found by Cheapflights users on 3/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 3/281:38 pmMIA - LIS
2 stops15h 22mVirgin Atlantic
tor. 4/312:45 pmLIS - MIA
2 stops17h 07mVirgin Atlantic
Deal found 3/27$644
This Gurufare deal was found by Cheapflights users on 3/28. 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.
ons. 4/305:00 pmMIA - LIS
1 stop17h 40mBritish Airways
tor. 5/88:25 amLIS - MIA
1 stop16h 50mBritish Airways
Deal found 3/28$648
This Lufthansa deal was found by Cheapflights users on 3/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 4/24:40 pmMIA - LIS
1 stop13h 45mLufthansa
lør. 4/56:15 amLIS - MIA
1 stop15h 50mLufthansa
Deal found 3/26$652

Cheapflights Fare Finder

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

Fly from

Key Largo

Fly to

Lisbon

Route

Depart

Return

Price

MiamiLisbon

MIA - LIS

MIALIS

Miami

søn. 5/4

5:15 pm-7:35 pm

2 stops21h 20m

Lisbon Humberto Delgado

tor. 5/15

8:40 pm-2:20 pm

1 stop22h 40m

$606

MiamiLisbon

MIA - LIS

MIALIS

Miami

ons. 9/24

9:45 pm-9:05 pm

1 stop18h 20m

Lisbon Humberto Delgado

lør. 10/11

6:40 pm-7:45 pm

1 stop30h 05m

$607

MiamiLisbon

MIA - LIS

MIALIS

Miami

ons. 9/24

9:45 pm-5:05 pm

1 stop14h 20m

Lisbon Humberto Delgado

ons. 10/8

6:35 am-3:05 pm

1 stop13h 30m

$608

MiamiLisbon

MIA - LIS

MIALIS

Miami

fre. 7/25

9:30 pm-3:15 pm

1 stop12h 45m

Lisbon Humberto Delgado

tor. 9/18

11:35 am-6:45 pm

1 stop12h 10m

$617

MiamiLisbon

MIA - LIS

MIALIS

Miami

man. 8/4

7:55 am-9:20 am

1 stop20h 25m

Lisbon Humberto Delgado

ons. 8/20

11:25 am-11:16 pm

1 stop16h 51m

$622

MiamiLisbon

MIA - LIS

MIALIS

Miami

tir. 9/23

9:55 pm-11:25 pm

1 stop20h 30m

Lisbon Humberto Delgado

tor. 10/2

6:35 am-7:55 pm

1 stop18h 20m

$624

MiamiLisbon

MIA - LIS

MIALIS

Miami

ons. 4/30

7:35 pm-3:40 pm

1 stop15h 05m

Lisbon Humberto Delgado

tir. 5/6

8:45 pm-1:20 pm

1 stop21h 35m

$625

MiamiLisbon

MIA - LIS

MIALIS

Miami

tir. 8/5

1:30 pm-10:30 am

1 stop16h 00m

Lisbon Humberto Delgado

fre. 8/22

5:05 am-2:40 pm

1 stop14h 35m

$632

MiamiLisbon

MIA - LIS

MIALIS

Miami

tir. 5/6

11:38 am-10:45 am

1 stop18h 07m

Lisbon Humberto Delgado

tir. 5/13

10:00 am-11:19 pm

1 stop18h 19m

$633

MiamiLisbon

MIA - LIS

MIALIS

Miami

lør. 8/2

7:30 am-8:00 am

1 stop19h 30m

Lisbon Humberto Delgado

fre. 8/22

10:00 am-6:48 pm

1 stop13h 48m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 25 results
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Best time to book a flight from Key Largo to Lisbon

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

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Lisbon. Price data was last updated on March 21, 2025.

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Lisbon. 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 Lisbon?

Currently, January is the cheapest month in which you can book a flight from Key Largo to Lisbon (average of $612). Flying from Key Largo to Lisbon in June is currently the most expensive (average of $1,213). 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 LIS?

Find hourly flight availability from Key Largo to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marts 28, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Lisbon. Price data was last updated on April 28, 2024.

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

Rainfall in Lisbon by month

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

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

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

If weather is an important factor for your trip to Lisbon, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated marts 28, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Key Largo to Lisbon. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

MCO - ATL

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
8.0
Very good
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

MCO - ATL

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

MCO - ATL

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

MCO - ATL

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

MCO - ATL

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

MCO - ATL

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Lisbon from Key Largo?

    Lisbon Humberto Delgado (LIS) is the airport you will fly into if you book a flight from Key Largo to Lisbon. You should not have trouble finding flights to Humberto Delgado from Key Largo; the airport handles an average of 1 inbound flight from Key Largo per day. You should also have plenty of airline options to choose from since 17 airlines have flights to the Lisbon airport from Key Largo. It is only a 4.2 mi journey from Humberto Delgado (LIS) to Lisbon’s city center.

  • How popular is this Key Largo to Lisbon flight route?

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

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $321. Users have also found prices from $325 and $330 on TAP AIR PORTUGAL and Air Canada, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Key Largo to Lisbon consider choosing Emirates (73%), Etihad Airways (64%) or JetBlue (61%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Key Largo to Lisbon is generally $2,554, our data shows the cheapest flight currently is $250. When looking at the most popular route, (Miami - Lisbon Humberto Delgado), you can expect to pay $527 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Key Largo to Lisbon (average of $612). Flying from Key Largo to Lisbon in June is currently the most expensive (average of $1,213). 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

Traveling to a place near Key Largo?

Book flights to Key Largo if you plan to visit one of these locations
Sintra
Almada
Beja
Costa da Caparica
Nazaré
Evora
Torres Vedras
Oeiras
Sesimbra
Fátima

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Key Largo to Lisbon

Discover the top 10 airlines that operate flights from Key Largo to Lisbon. 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 marts 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest$370Average$677FlexibilityNo cancel feeOn-time76%
SWISSCheapest$416Average$618FlexibilityNo cancel feeOn-time79%
Air EuropaCheapest$462Average$685FlexibilityNo cancel feeOn-time83%
VuelingCheapest$472Average$526FlexibilityNo cancel feeOn-time88%
Royal Air MarocCheapest$489Average$592FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$498Average$860FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$507Average$873FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$524Average$962FlexibilityNo cancel feeOn-time71%
IberiaCheapest$530Average$788FlexibilityNo cancel feeOn-time77%
KLMCheapest$536Average$752FlexibilityNo cancel feeOn-time75%
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