HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Shannon

$301+ Cheap flights from Key Largo, FL to Shannon (SNN)

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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SNN
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Shannon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Key Largo to Shannon

Best flights from Key Largo to Shannon
Discover carefully curated flight deals from Key Largo to Shannon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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.
dom. 1/2510:50 pmMIA - SNN
1 stop12h 55mAmerican Airlines
dom. 2/17:50 amSNN - MIA
1 stop13h 35mAmerican Airlines
Deal found 12/10$608
This Mytrip deal was found by Cheapflights users on 12/10. 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.
dom. 1/255:54 amMIA - SNN
3 stops26h 56mMultiple Airlines
dom. 2/15:30 pmSNN - MIA
1 stop31h 00mMultiple Airlines
Deal found 12/10$690
This KAYAK deal was found by Cheapflights users on 12/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/174:22 pmMIA - SNN
2 stops15h 08mBritish Airways
mar. 3/248:05 pmSNN - MIA
2 stops30h 10mBritish Airways
Deal found 12/10$785
This United Airlines deal was found by Cheapflights users on 12/9. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/224:17 pmMIA - SNN
1 stop34h 13mUnited Airlines
sáb. 5/309:30 amSNN - MIA
1 stop13h 59mUnited Airlines
Deal found 12/9$865

Find flight deals from Key Largo to Shannon

Keep the following information in mind while searching for Key Largo to Shannon flight deals. Data was last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$608
(American Airlines)

One-way from

$301
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$757
Provider with most accurate pricing for Miami-Shannon flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Shannon flights.
Search Deals
From Key Largo to Shannon
Search Deals
One-way flight from Key Largo to Shannon
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Shannon 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Key Largo to Shannon that are best for you.

Fly from

Key Largo

Fly to

Shannon

Route

Depart

Return

Price

MiamiShannon

MIA - SNN

MIASNN

Miami

dom. 1/25

10:50 pm-4:45 pm

1 stop12h 55m

Shannon

dom. 2/1

7:50 am-4:25 pm

1 stop13h 35m

$608

MiamiShannon

MIA - SNN

MIASNN

Miami

dom. 1/25

5:54 am-1:50 pm

3 stops26h 56m

Shannon

dom. 2/1

5:30 pm-7:30 pm

1 stop31h 00m

$690

MiamiShannon

MIA - SNN

MIASNN

Miami

mar. 3/17

4:22 pm-11:30 am

2 stops15h 08m

Shannon

mar. 3/24

8:05 pm-10:15 pm

2 stops30h 10m

$785

MiamiShannon

MIA - SNN

MIASNN

Miami

vie. 5/22

4:17 pm-7:30 am

1 stop34h 13m

Shannon

sáb. 5/30

9:30 am-6:29 pm

1 stop13h 59m

$865

MiamiShannon

MIA - SNN

MIASNN

Miami

vie. 3/13

7:00 am-5:55 am

1 stop18h 55m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Best time to book a flight from Key Largo to Shannon

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

What is the cheapest month to book a flight from Key Largo to Shannon, Clare?

Currently, August is the cheapest month in which you can book a flight from Key Largo to Shannon, Clare (average of $516). Flying from Key Largo to Shannon, Clare in February is currently the most expensive (average of $1,538). 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 SNN?

Find hourly flight availability from Key Largo to Shannon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

It’s optimal to fly from Key Largo to Shannon, Clare in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Shannon

Get insights into the airlines that provide service to Shannon. 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 Shannon. Reviews last updated diciembre 12, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Key Largo to Shannon 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
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Shannon. 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 Shannon from Key Largo?

    Located just 2.1 mi from the city center, Shannon is the airport most travelers will use when flying to Shannon from Key Largo. Booking flights from Key Largo to Shannon (SNN) should be relatively easy as there are 0 daily inbound flights from Key Largo from 2 different airlines.

  • How long is the flight from Key Largo to Shannon, Clare?

    Departing from Key Largo to Shannon, Clare will take you 12h 55m. Key Largo and Shannon, Clare are separated by a distance of 4049 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Key Largo to Shannon 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 Shannon, Clare?

    Currently, August is the cheapest month in which you can book a flight from Key Largo to Shannon, Clare (average of $516). Flying from Key Largo to Shannon, Clare in February is currently the most expensive (average of $1,538). 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 Shannon?

Book flights to Shannon if you plan to visit one of these locations
Ennis

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key Largo to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
Orlando to Dublin flights
Miami to Dublin flights
Tampa to Dublin flights
Fort Lauderdale to Dublin flights
Jacksonville to Dublin flights
Fort Myers to Dublin flights
West Palm Beach to Dublin flights
Pensacola to Dublin flights
Sarasota to Dublin flights
Miami to Shannon flights
Orlando to Shannon flights
Daytona Beach to Dublin flights
Tampa to Shannon flights
Melbourne to Dublin flights
Miami to Cork flights
Orlando to Cork flights
Pensacola to Shannon flights
Pensacola to Cork flights
Fort Lauderdale to Shannon flights
Panama City to Dublin flights
Gainesville to Dublin flights
Fort Lauderdale to Cork flights
Valparaiso to Dublin flights
Tampa to Cork flights
Jacksonville to Shannon flights
West Palm Beach to Shannon flights
Jacksonville to Cork flights
Tallahassee to Dublin flights
Valparaiso to Shannon flights
Fort Myers to Shannon flights
Orlando to Knock flights
Tampa to Knock flights
Daytona Beach to Shannon flights
Sarasota to Shannon flights
Gainesville to Cork flights
Sarasota to Cork flights
Tampa to Milltown (Kerry) flights
Fort Myers to Cork flights
Melbourne to Shannon flights
Orlando to Milltown (Kerry) flights
Valdosta to Dublin flights
Panama City to Shannon flights

Top 2 airlines flying from Key Largo to Shannon

Discover the top 2 airlines that operate flights from Key Largo to Shannon. 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$516Average$792FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$572Average$832FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.