Question 1

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

Accepted Answer

The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £726. However, be on the lookout for offers from KLM and Delta, as they are both options that can get you from Portsmouth to Key Largo for a low price.

Question 2

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Key Largo (average of £559). Flying from Portsmouth to Key Largo in July is currently the most expensive (average of £760). 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.

Question 3

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

Accepted Answer

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

Question 4

Weekly flight availability from Portsmouth to Key Largo

Accepted Answer

The most flights from P0R to KE9 are scheduled on a Wednesday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 on average).

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

Question 6

E

Accepted Answer

If weather is an important factor for your trip to Key Largo, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

Question 7

What are the cheapest flights from Portsmouth to Key Largo?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £346. While the most popular route (Southampton Eastleigh - Miami) can be booked for £601 on average our data indicates £2,701 when flying from Portsmouth to Key Largo.

Question 8

What are the most reliable airlines from Portsmouth to Key Largo?

Accepted Answer

The top 3 most reliable airlines when flying from Portsmouth to Key Largo are Gulf Air (88%), Finnair (87%) and KLM (87%).

Question 9

What are the most popular airlines that fly from Portsmouth to Key Largo?

Accepted Answer

When booking a flight from Portsmouth to Key Largo, you may want to consider flying on A.P.G., American Airlines or Air Canada as they are the most popular for this route.

Question 10

How far in advance should I book a flight from Portsmouth to Key Largo?

Accepted Answer

Find a great deal and save up to 23% by booking at least 8 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portsmouth to Key Largo within the next two weeks, with the cheapest ticket starting at £421.

Question 11

What is the cheapest month to fly from Portsmouth to Key Largo?

Accepted Answer

The best pricing can be found in the month of September. Prices to Key Largo from Portsmouth average £471. You can even find prices in September for less than £471, as users have found deals to Key Largo from as low as £284. The month of December appears to be one of the more expensive times to travel to Key Largo from Portsmouth. Flying in the targeted month can save you up to 25%.

Question 12

What is the cheapest time of day to fly from P0R to KE9?

Accepted Answer

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

Question 13

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

Accepted Answer

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

Question 14

How can I find direct flights from Portsmouth to Key Largo?

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

How does Cheapflights help users find flights from Portsmouth to Key Largo?

Accepted Answer

Cheapflights helps you search for flights from Portsmouth to Key Largo via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 17

Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Key Largo?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Key Largo from Portsmouth.

Question 18

Can Cheapflights find flights from Portsmouth to Key Largo with no change fees?

Accepted Answer

Certainly. Search results for flights to Key Largo from Portsmouth shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 19

Can Cheapflights notify me if prices for flights from Portsmouth to Key Largo become cheaper?

Accepted Answer

Yes! Start tracking prices for Portsmouth to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	£541
One-way from	£303
Popular in	December
Cheapest in	September
Average price	£547

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£267	Average£506	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Norse Atlantic UK	Cheapest£269	Average£411	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Delta	Cheapest£277	Average£614	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Scandinavian Airlines	Cheapest£316	Average£430	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£321	Average£450	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Icelandair	Cheapest£339	Average£446	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£339	Average£456	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
SWISS	Cheapest£340	Average£470	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
United Airlines	Cheapest£350	Average£576	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£351	Average£485	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Cheap flights from Portsmouth to Key Largo from £303

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Key Largo

Keep the following information in mind while searching for Portsmouth to Key Largo flight deals. Data was last updated 4 July 2025.

Round-trip from

One-way from

Popular in

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Find flight deals from Portsmouth to Key Largo

Cheapest flights from Portsmouth to Key LargoExplore the most affordable flight options available from Portsmouth to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from Portsmouth to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

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Use the filters below to find and compare flights from Portsmouth to Key Largo that are best for you.

Best time to book a flight from Portsmouth to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Portsmouth with our price prediction graph.

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

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

What is the cheapest time of day to fly from P0R to KE9?

Find hourly flight availability from Portsmouth to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Key Largo. Price data was last updated on 16 December 2024.

Weekly flight availability from Portsmouth to Key Largo

Explore weekly flight availability from Portsmouth to Key Largo. 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 4 July 2025.

Reviews of airlines servicing Key Largo

Get a feel of what it's like to fly with Delta, KLM, andVirgin Atlantic from Portsmouth to Key Largo by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the most reliable airlines from Portsmouth to Key Largo?

What are the cheapest flights from Portsmouth to Key Largo?

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

How can I find direct flights from Portsmouth to Key Largo?

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

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

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Alternative routes for Portsmouth to Key Largo

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Top 10 airlines flying from Portsmouth to Key Largo

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Can Cheapflights find flights from Portsmouth to Key Largo with no change fees?

Can Cheapflights notify me if prices for flights from Portsmouth to Key Largo become cheaper?

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Cheapest flights from Portsmouth to Key Largo
Explore the most affordable flight options available from Portsmouth to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.