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Shannon

$69+ Cheap flights from Heathrow (LHR) 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.
LHR — SNN
Jan 10 — Jan 171
Fri 1/10
Fri 1/17
1 adult, Economy
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The best prices from London Heathrow to Shannon are usually found in February or November, booked 28 days in advance, depart on a Saturday or Tuesday and return on a Saturday

Cheap flight deals from Heathrow to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 5, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$106
(Aer Lingus)

One-way from

$69
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$158
Provider with most accurate pricing for London Heathrow-Shannon flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Shannon flights.
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From London Heathrow to Shannon
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One-way flight from London Heathrow to Shannon
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High demand for flights, 1% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Heathrow to Shannon

Cheapest flights from Heathrow to Shannon
Explore the most affordable flight options available from Heathrow to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 5, 2025.

This Booking.com deal was found by Cheapflights users on 1/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:40 pmLHR - SNN
Nonstop1h 30mMultiple Airlines
Thu 8/287:10 amSNN - LHR
2 stops14h 25mMultiple Airlines
Deal found 1/4$1,670
This Gotogate deal was found by Cheapflights users on 1/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/610:00 amLHR - SNN
Nonstop1h 30mAer Lingus
Mon 2/102:45 pmSNN - LHR
1 stop15h 10mAer Lingus
Deal found 1/4$2,193
This British Airways deal was found by Cheapflights users on 1/4. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/42:15 pmLHR - SNN
Nonstop1h 30mBritish Airways
Wed 1/82:45 pmSNN - LHR
1 stop17h 05mBritish Airways
Deal found 1/4$3,287
This Priceline deal was found by Cheapflights users on 1/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:25 amLHR - SNN
1 stop24h 05mLufthansa
Fri 8/2912:30 pmSNN - LHR
1 stop32h 10mLufthansa
Deal found 1/4$7,717
This United Airlines deal was found by Cheapflights users on 1/4. 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 4/44:00 pmLHR - SNN
1 stop18h 30mUnited Airlines
Wed 4/912:30 pmSNN - LHR
1 stop17h 25mUnited Airlines
Deal found 1/4$17,060

Find flights from Heathrow to Shannon within your budget

Customize your flight search to find flights from Heathrow 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 5, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 6/25

8:50 pm-6:15 pm

2 stops21h 25m

Shannon

Sun 6/29

6:50 pm-9:45 am

1 stop14h 55m

$406

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 2/6

10:00 am-11:30 am

Nonstop1h 30m

Shannon

Mon 2/10

2:45 pm-5:55 am

1 stop15h 10m

$2,193

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 1/16

10:00 am-11:30 am

Nonstop1h 30m

Shannon

Sun 1/19

2:45 pm-5:55 am

1 stop15h 10m

$3,294

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Fri 4/4

4:00 pm-10:30 am

1 stop18h 30m

Shannon

Wed 4/9

12:30 pm-5:55 am

1 stop17h 25m

$17,060

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 6/23

9:35 pm-1:55 pm

1 stop16h 20m

$102

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Mon 6/23

9:50 am-11:20 am

Nonstop1h 30m

$110

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 2/16

6:05 pm-7:25 pm

Nonstop1h 20m

$148

LondonShannon

LHR - SNN

LHRSNN

London Heathrow

Sun 4/13

4:00 pm-10:30 am

1 stop18h 30m

$4,465

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Compare providers for flights from Heathrow to Shannon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Shannon in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Shannon flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Shannon flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Shannon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Shannon flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Shannon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Shannon

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

Travel insights for flights from Heathrow to Shannon

Get recent, data-driven insights about flights from Heathrow to Shannon including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Shannon?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Shannon. Price data was last updated on January 3, 2025.

Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Shannon. 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 London Heathrow Airport to Shannon?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Shannon (average of $533). Flying from London Heathrow Airport to Shannon in June is currently the most expensive (average of $1,007). 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 LHR to SNN?

Find hourly flight availability from Heathrow 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 January 5, 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Shannon in the afternoon. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight in the evening.

Weekly flight availability from London Heathrow Airport to Shannon

Explore weekly flight availability from Heathrow to Shannon. 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 January 5, 2025.

The most flights from LHR to SNN are scheduled on a Monday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Shannon by month

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

In terms of precipitation, rainfall in Shannon ranges from 2.3 - 4.1 inches per month. October is typically the wettest month, when rainfall can reach 4.1 in. April is typically the driest time to visit Shannon when rainfall is around 2.3 in.

Temperature in Shannon by month

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

If weather is an important factor for your trip to Shannon, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 5, 2025.
United Airlines
7.4
Good
8,945 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Reviews

1 / 10

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

United Airlines
7.4
Good
8,945 reviews
United Airlines
7.4
Good
8,945 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Reviews

1 / 10

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

Aer Lingus
7.1
Good
1,069 reviews
United Airlines
7.4
Good
8,945 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Reviews

1 / 10

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

British Airways
6.6
Okay
6,793 reviews
United Airlines
7.4
Good
8,945 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Food

6.7

Comfort

7.3

Reviews

1 / 10

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 London Heathrow?

    Shannon (SNN), located 2.1 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Shannon. 1 airline have flights to Shannon from London Heathrow on a regular basis. Booking flights from London Heathrow to Shannon should not be difficult; the airport handles an average of 13 inbound flights from London Heathrow per day.

  • What are the cheapest airlines flying from London Heathrow Airport to Shannon round-trip?

    Our cheapest airline available from London Heathrow Airport to Shannon is Aer Lingus. Our recent data shows that you can find tickets from as low as $106 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at $270 and $17,060 round-trip. You may be able to fly from London Heathrow Airport to Shannon for 39% less than the average price by searching for these airlines.

  • What are the most reliable airlines from London Heathrow Airport to Shannon?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Shannon on time: American Airlines (0%), Qatar Airways (0%), Air Canada (0%).

  • What are the cheapest flights from London Heathrow Airport to Shannon?

    On average you can expect to pay $543 for a flight from London Heathrow Airport to Shannon. The cheapest flight overall is $97 while the most popular route, (London Heathrow - Shannon) is currently priced at $17,261.

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

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

  • How can I find direct flights from Heathrow to Shannon?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 London Heathrow Airport to Shannon?

    Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to Shannon (average of $533). Flying from London Heathrow Airport to Shannon in June is currently the most expensive (average of $1,007). 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.

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Alternative routes for Heathrow to Shannon

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Heathrow to Shannon

Discover the top airline that operate flights from Heathrow 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 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest$127Average$182FlexibilityNo cancel feeOn-timeN/A
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