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Shannon

$499+ Cheap flights from Key Largo, FL to Shannon (SNN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SNN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Key Largo to Shannon

Cheapest flights from Key Largo to Shannon
Explore the most affordable flight options available from Key Largo to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:38 pm
MIA
-
SNN
2 stops14h 42m
American Airlines
Tue 9/159:15 pm
SNN
-
MIA
1 stop22h 15m
American Airlines
Deal found 1/26$499
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Wed 3/1111:00 pm
MIA
-
SNN
1 stop13h 45m
American Airlines
Wed 3/187:50 am
SNN
-
MIA
1 stop16h 40m
American Airlines
Deal found 1/25$548
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:35 pm
MIA
-
SNN
2 stops14h 15m
American Airlines
Tue 4/287:30 am
SNN
-
MIA
1 stop14h 15m
American Airlines
Deal found 1/27$604
This United Airlines deal was found by Cheapflights users on 1/27. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:10 pm
MIA
-
SNN
1 stop11h 05m
United Airlines
Tue 4/2812:30 pm
SNN
-
MIA
1 stop13h 28m
United Airlines
Deal found 1/27$616

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$548
(American Airlines)

One-way from

$523
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$572
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. 12% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($76 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 27, 2026.
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

Wed 3/11

4:22 pm-11:30 am

2 stops15h 08m

Shannon

Wed 3/18

7:50 am-10:13 pm

2 stops18h 23m

$563

MiamiShannon

MIA - SNN

MIASNN

Miami

Fri 4/17

8:35 pm-3:50 pm

2 stops14h 15m

Shannon

Tue 4/28

7:30 am-4:45 pm

1 stop14h 15m

$604

MiamiShannon

MIA - SNN

MIASNN

Miami

Fri 4/17

6:10 pm-10:15 am

1 stop11h 05m

Shannon

Tue 4/28

12:30 pm-8:58 pm

1 stop13h 28m

$616

MiamiShannon

MIA - SNN

MIASNN

Miami

Fri 5/1

6:10 pm-10:15 am

2 stops35h 05m

Shannon

Sun 5/10

12:30 pm-9:11 pm

1 stop13h 41m

$628

MiamiShannon

MIA - SNN

MIASNN

Miami

Mon 3/16

11:20 pm-4:45 pm

1 stop13h 25m

Shannon

Wed 4/1

7:30 am-8:10 pm

1 stop17h 40m

$667

MiamiShannon

MIA - SNN

MIASNN

Miami

Wed 3/11

7:12 am-6:00 pm

3 stops30h 48m

Shannon

Wed 3/18

5:45 am-4:35 am

3 stops26h 50m

$714

MiamiShannon

MIA - SNN

MIASNN

Miami

Fri 5/15

7:00 pm-3:50 pm

1 stop15h 50m

Shannon

Sat 5/23

7:30 am-9:54 pm

2 stops19h 24m

$730

MiamiShannon

MIA - SNN

MIASNN

Miami

Mon 3/16

11:20 pm-11:30 am

1 stop32h 10m

Shannon

Wed 4/1

7:30 am-8:25 pm

2 stops17h 55m

$747

MiamiShannon

MIA - SNN

MIASNN

Miami

Sun 4/12

8:55 am-10:15 am

2 stops20h 20m

Shannon

Sun 4/19

12:30 pm-8:58 pm

1 stop13h 28m

$771

MiamiShannon

MIA - SNN

MIASNN

Miami

Mon 2/23

12:25 pm-4:45 pm

2 stops23h 20m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 19 results
1
2

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.

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 January 27, 2026.
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
9,205 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,205 reviews
United Airlines
7.4
Good
9,205 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,197 reviews
United Airlines
7.4
Good
9,205 reviews

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 11h 05m. 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

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$516Average$843FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$572Average$832FlexibilityNo cancel feeOn-time71%

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