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Cheap flights from Ireland to Key Largo from £272

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — MIA
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Key Largo

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Key Largo
Explore the most affordable flight options available from Ireland to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 May 2026.

Tue 9/612:50
DUB
-
MIA
1 stop12h 20m
British Airways
Tue 16/617:00
MIA
-
DUB
1 stop14h 05m
British Airways
Deal found 2/5£397
Wed 3/612:50
DUB
-
MIA
1 stop12h 20m
British Airways
Sat 13/617:00
MIA
-
DUB
1 stop11h 40m
British Airways
Deal found 1/5£408
Tue 9/610:30
DUB
-
MIA
1 stop14h 40m
British Airways
Thu 18/617:00
MIA
-
DUB
1 stop14h 05m
British Airways
Deal found 4/5£410
Mon 11/507:30
DUB
-
MIA
1 stop13h 20m
Multiple Airlines
Tue 26/518:05
MIA
-
DUB
1 stop18h 10m
Multiple Airlines
Deal found 1/5£425
Thu 28/513:00
DUB
-
MIA
1 stop12h 10m
British Airways
Mon 8/622:40
MIA
-
DUB
1 stop15h 00m
British Airways
Deal found 4/5£426
Thu 14/506:30
DUB
-
MIA
1 stop19h 15m
Multiple Airlines
Thu 28/519:30
MIA
-
DUB
2 stops14h 20m
Multiple Airlines
Deal found 2/5£427
Thu 21/508:35
DUB
-
MIA
1 stop16h 35m
British Airways
Sat 6/617:00
MIA
-
DUB
1 stop11h 40m
British Airways
Deal found 2/5£428
Sat 9/505:55
DUB
-
MIA
1 stop13h 50m
Delta
Wed 13/523:00
MIA
-
DUB
1 stop14h 25m
Delta
Deal found 2/5£428
Tue 16/605:55
DUB
-
MIA
1 stop13h 50m
Delta
Sat 27/608:17
MIA
-
DUB
1 stop19h 28m
Delta
Deal found 5/5£429
Thu 14/505:55
DUB
-
MIA
1 stop13h 50m
KLM
Thu 28/514:01
MIA
-
DUB
1 stop13h 44m
KLM
Deal found 2/5£430

Find flight deals from Ireland to Key Largo

Keep the following information in mind while searching for Ireland to Key Largo flight deals. Data was last updated 6 May 2026.

Round-trip from

£397

One-way from

£272

Popular in

August

Cheapest in

February

Average price

£504
British Airways
  • British Airways
  • 9/6-16/6
  • 2 total stops
  • 26h 25m total
  • Ireland to Key Largo
Search Deals
20/5
  • 20/5
  • 1 total stop
  • 29h 50m total
  • Ireland to Key Largo
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Key Largo 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 858,174 searches. Data last updated 6 May 2026.
Use the filters below to find and compare flights from Ireland to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinMiami

DUB - MIA

DUBMIA

Dublin

Wed 3/6

12:30-20:45

1 stop13h 15m

Miami

Sat 13/6

22:35-22:30

1 stop18h 55m

£426

DublinMiami

DUB - MIA

DUBMIA

Dublin

Sun 31/5

15:00-10:44

1 stop24h 44m

Miami

Sun 7/6

13:38-10:00

1 stop15h 22m

£442

DublinMiami

DUB - MIA

DUBMIA

Dublin

Wed 24/6

20:30-14:30

1 stop23h 00m

Miami

Sun 5/7

17:00-16:20

1 stop18h 20m

£473

DublinMiami

DUB - MIA

DUBMIA

Dublin

Fri 16/10

10:45-21:55

1 stop16h 10m

Miami

Fri 23/10

00:20-00:05

1 stop18h 45m

£547

DublinMiami

DUB - MIA

DUBMIA

Dublin

Wed 21/10

05:55-18:37

2 stops17h 42m

Miami

Sun 1/11

08:30-08:45

1 stop19h 15m

£563
Fastest return journey

DublinMiami

DUB - MIA

DUBMIA

Dublin

Wed 7/10

07:30-15:50

1 stop13h 20m

Miami

Sat 17/10

19:30-14:50

2 stops14h 20m

£577

DublinMiami

DUB - MIA

DUBMIA

Dublin

Mon 15/6

05:55-19:56

2 stops19h 01m

Miami

Mon 22/6

23:00-18:25

1 stop14h 25m

£582

DublinMiami

DUB - MIA

DUBMIA

Dublin

Tue 16/6

08:55-00:57

2 stops21h 02m

Miami

Sat 27/6

07:10-08:45

1 stop20h 35m

£584

DublinMiami

DUB - MIA

DUBMIA

Dublin

Thu 15/10

06:00-18:57

2 stops17h 57m

Miami

Sun 25/10

14:30-09:55

1 stop15h 25m

£598

DublinMiami

DUB - MIA

DUBMIA

Dublin

Wed 1/7

11:10-23:21

2 stops17h 11m

Miami

Sun 12/7

07:02-09:15

1 stop21h 13m

£670

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Ireland to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Ireland with our price prediction graph.
Estimated return 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 Ireland to Key Largo
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated 6 May 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andTAP AIR PORTUGAL from Ireland 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.
United Airlines
7.4
Good
9,684 reviews
Check prices

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,684 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Aer Lingus
7.3
Good
1,543 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
TAP AIR PORTUGAL
7.2
Good
2,238 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,666 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,944 reviews
United Airlines
7.4
Good
9,684 reviews
Check prices

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

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

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

    Flights from Ireland to Key Largo have been viewed 51 times in the past calendar month.

  • How long is the flight from Ireland to Key Largo?

    There are many flights that can get you from Ireland to Key Largo in 16h 10m. Fly via Delta, British Airways, or TAP AIR PORTUGAL to get the fastest option. Airlines will cover a distance of 4156 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    No one likes to see their flight delayed. When booking a flight from Ireland to Key Largo consider choosing American Airlines (55%), Aer Lingus (55%) or Iberia (55%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for £737. While the most popular route (Dublin - Miami) can be booked for £426 on average, our data indicates £843 when flying from Ireland to Key Largo.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland 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.

See more FAQs

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Alternative routes for Ireland to Key Largo

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Top 10 airlines flying from Ireland to Key Largo

Discover the top 10 airlines that operate flights from Ireland to Key Largo. 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 858,174 searches. Data last updated 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£274Average£381FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapest£323Average£426FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest£353Average£575FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£353Average£428FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£370Average£538FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
American AirlinesCheapest£376Average£616FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
IberiaCheapest£383Average£534FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£387Average£543FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£395Average£601FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£397Average£507FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ireland to Key Largo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ireland to Key Largo for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Ireland to Key Largo with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Ireland to Key Largo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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