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Cheap flights from Heathrow (LHR) to Shannon (SNN) from $141

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — SNN
Jun 18 — Jun 251
From?
To?
Tue 6/18
Tue 6/25
1 adult, Economy
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The best prices from London Heathrow to Shannon are usually found in January or February, booked 44 days in advance, depart on a Monday or Wednesday 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 June 13, 2024.

Popular in

July

Cheapest in

January

Round-trip from

$533

One-way from

$168
High demand for flights, 11% potential price rise
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Best time to find cheap flights, 14% potential price drop
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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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What is the cheapest day to fly round-trip from London Heathrow Airport to Shannon?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Shannon. Check prices with Cheapflights to find a great deal for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 28 days in advance, which can save you up to 52% on flights from London Heathrow Airport to Shannon compared to booking the week you need them. Waiting 28 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $48. For sooner than that we have options available in the next 3 days from $123.

What is the cheapest month to fly from London Heathrow Airport to Shannon?

Flights from London Heathrow Airport to Shannon lean towards being more expensive in December. Prices are generally better when you fly from London Heathrow Airport to Shannon in September, with the cheapest ticket starting at $29.

What is the cheapest time of day to fly from LHR to SNN?

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Shannon at noon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the afternoon.

Cheap Heathrow to Shannon flights in June & July 2024

Find cheap flight options from Heathrow to Shannon specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Prices were last updated on June 13, 2024.
Check out some of the best flight deals from London to Shannon in 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/266:00 amLHR - SNN
3 stops29h 50mMultiple Airlines
Sun 6/307:10 amSNN - LHR
3 stops24h 45mMultiple Airlines
Deal found 6/13$1,045
Tue 7/97:10 pmLHR - SNN
Nonstop1h 25mMultiple Airlines
Tue 7/302:50 pmSNN - LHR
3 stops29h 30mMultiple Airlines
Deal found 6/12$1,129
Thu 7/189:25 pmLHR - SNN
3 stops32h 40mMultiple Airlines
Tue 7/239:25 pmSNN - LHR
Nonstop1h 15mMultiple Airlines
Deal found 6/12$1,575
Tue 7/96:10 pmLHR - SNN
2 stops35h 55mMultiple Airlines
Tue 7/302:50 pmSNN - LHR
3 stops29h 30mMultiple Airlines
Deal found 6/12$2,403
Tue 7/96:10 pmLHR - SNN
2 stops35h 55mMultiple Airlines
Tue 7/301:45 pmSNN - LHR
2 stops30h 35mMultiple Airlines
Deal found 6/12$2,413
Thu 7/186:10 pmLHR - SNN
2 stops35h 55mMultiple Airlines
Tue 7/231:45 pmSNN - LHR
2 stops22h 10mMultiple Airlines
Deal found 6/12$2,419
Thu 7/189:25 pmLHR - SNN
3 stops32h 40mMultiple Airlines
Tue 7/231:45 pmSNN - LHR
2 stops22h 10mMultiple Airlines
Deal found 6/12$2,512
Wed 6/2610:20 amLHR - SNN
2 stops25h 30mMultiple Airlines
Sun 6/307:10 amSNN - LHR
2 stops11h 20mMultiple Airlines
Deal found 6/12$2,809
Thu 7/182:45 pmLHR - SNN
Nonstop1h 25mBritish Airways
Sun 7/211:45 pmSNN - LHR
1 stop17h 05mBritish Airways
Deal found 6/12$2,892

Heathrow to Shannon 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Shannon in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Check out some of the best flight deals from London to Shannon in 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/268:30 pmLHR - SNN
2 stops15h 20mMultiple Airlines
Sun 6/307:10 amSNN - LHR
3 stops15h 00mMultiple Airlines
Deal found 6/12$976
Wed 6/266:00 amLHR - SNN
3 stops29h 50mMultiple Airlines
Sun 6/307:10 amSNN - LHR
3 stops24h 45mMultiple Airlines
Deal found 6/13$1,045
Tue 7/97:10 pmLHR - SNN
Nonstop1h 25mMultiple Airlines
Tue 7/302:50 pmSNN - LHR
3 stops29h 30mMultiple Airlines
Deal found 6/12$1,129
Sat 11/210:00 amLHR - SNN
Nonstop1h 30mMultiple Airlines
Sat 11/22:00 pmSNN - LHR
2 stops32h 40mMultiple Airlines
Deal found 6/12$1,131
Sat 11/210:00 amLHR - SNN
Nonstop1h 30mMultiple Airlines
Sat 11/92:00 pmSNN - LHR
3 stops31h 35mMultiple Airlines
Deal found 6/12$1,141
Thu 7/189:25 pmLHR - SNN
3 stops32h 40mMultiple Airlines
Tue 7/239:25 pmSNN - LHR
Nonstop1h 15mMultiple Airlines
Deal found 6/12$1,575
Sat 11/26:00 amLHR - SNN
2 stops24h 15mMultiple Airlines
Sat 11/92:00 pmSNN - LHR
3 stops31h 35mMultiple Airlines
Deal found 6/12$2,356
Sat 11/26:00 amLHR - SNN
2 stops24h 15mMultiple Airlines
Sat 11/92:45 pmSNN - LHR
2 stops26h 45mMultiple Airlines
Deal found 6/12$2,376
Tue 7/96:10 pmLHR - SNN
2 stops35h 55mMultiple Airlines
Tue 7/302:50 pmSNN - LHR
3 stops29h 30mMultiple Airlines
Deal found 6/12$2,403

Heathrow to Shannon flights leaving soon

Find last-minute flight options from Heathrow to Shannon for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Have a look at some of the last-minute flights available departing from London to Shannon. It's wise to confirm all flight details are correct before booking.
Thu 6/202:30 pmLHR - SNN
1 stop15h 05mBritish Airways
Mon 6/244:55 pmSNN - LHR
Nonstop1h 25mBritish Airways
Deal found 6/12$2,945
Thu 6/202:30 pmLHR - SNN
1 stop15h 05mBritish Airways
Mon 6/247:40 amSNN - LHR
Nonstop1h 25mBritish Airways
Deal found 6/12$2,957
Thu 6/209:50 amLHR - SNN
Nonstop1h 30mBritish Airways
Thu 6/201:45 pmSNN - LHR
1 stop18h 20mBritish Airways
Deal found 6/12$3,050
Tue 6/181:05 pmLHR - SNN
1 stop18h 25mUnited Airlines
Thu 6/209:30 amSNN - LHR
1 stop23h 00mUnited Airlines
Deal found 6/12$17,072
Wed 6/198:30 amLHR - SNN
1 stop23h 00mUnited Airlines
Wed 6/2612:30 pmSNN - LHR
1 stop18h 45mUnited Airlines
Deal found 6/12$17,165
Wed 6/191:05 pmLHR - SNN
1 stop18h 25mUnited Airlines
Wed 6/2612:30 pmSNN - LHR
1 stop17h 50mUnited Airlines
Deal found 6/13$17,232
Tue 6/181:05 pmLHR - SNN
1 stop18h 25mUnited Airlines
Tue 6/2512:30 pmSNN - LHR
1 stop17h 50mUnited Airlines
Deal found 6/11$22,357
Tue 6/181:05 pmLHR - SNN
1 stop18h 25mUnited Airlines
Sat 6/2212:30 pmSNN - LHR
1 stop17h 50mUnited Airlines
Deal found 6/12$22,683
Tue 6/181:05 pmLHR - SNN
1 stop18h 25mUnited Airlines
Sat 6/2212:30 pmSNN - LHR
1 stop17h 50mUnited Airlines
Deal found 6/13$22,773

One-way flights to Shannon from Heathrow

Search for one-way flight options from Heathrow to Shannon. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,214,720 searches. Data last updated June 13, 2024.
Some of the best available deals we've found on one-way flights from London to Shannon. Users can also find round-trip London to Shannon flights by using the search form above.
Sat 11/210:45 amLHR - SNN
1 stop4h 20mMultiple Airlines
Deal found 6/12$141
Sun 7/217:10 pmLHR - SNN
Nonstop1h 25mBritish Airways
Deal found 6/12$144
Tue 8/132:45 pmLHR - SNN
Nonstop1h 25mBritish Airways
Deal found 6/13$145
Sat 9/217:00 pmLHR - SNN
2 stops20h 00mMultiple Airlines
Deal found 6/12$147
Tue 7/93:50 pmLHR - SNN
2 stops16h 05mMultiple Airlines
Deal found 6/11$151
Mon 9/25:20 pmLHR - SNN
2 stops19h 55mMultiple Airlines
Deal found 6/12$153
Sat 11/210:00 amLHR - SNN
Nonstop1h 30mBritish Airways
Deal found 6/12$155
Sun 9/11:45 pmLHR - SNN
2 stops9h 05mMultiple Airlines
Deal found 6/12$156
Sat 6/292:20 pmLHR - SNN
Nonstop1h 25mBritish Airways
Deal found 6/13$168

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 3,214,720 searches. Data last updated June 13, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,045 - $2,908

Route

Depart

Return

Price

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Wed 6/26

3 stops29h 50m

Shannon

Sun 6/30

3 stops24h 45m

$1,045

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Tue 7/9

Nonstop1h 25m

Shannon

Tue 7/30

3 stops29h 30m

$1,129

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 11/2

Nonstop1h 30m

Shannon

Sat 11/2

2 stops32h 40m

$1,131

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Sat 11/2

Nonstop1h 30m

Shannon

Sat 11/9

3 stops31h 35m

$1,141

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 7/18

3 stops32h 40m

Shannon

Tue 7/23

Nonstop1h 15m

$1,575

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 7/11

2 stops23h 35m

Shannon

Thu 7/18

2 stops12h 35m

$1,748

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 7/18

Nonstop1h 25m

Shannon

Sun 7/21

1 stop17h 05m

$2,892

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 8/8

Nonstop1h 25m

Shannon

Sun 8/11

1 stop17h 05m

$2,907

London HeathrowShannon

LHR - SNN

LHRSNN

London Heathrow

Thu 7/4

Nonstop1h 25m

Shannon

Sat 7/6

1 stop19h 40m

$2,908

Flights are sorted by cheapest first

Deals found on 6/13

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 June 12, 2024.
Booking 44 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.
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What is the cheapest day to fly from London Heathrow Airport to Shannon?

Use this chart to determine the cheapest time to fly round-trip from Heathrow to Shannon. Price data was last updated on June 9, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their London Heathrow Airport to Shannon flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Shannon by month

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

SNN

Temperature

42.8 - 60.8 °F

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 June 13, 2024.
Peruse reviews from past customers who have flown with Lufthansa, United Airlines and British Airways from London to Shannon to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,000 reviews

Comfort

7.2

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

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
10,000 reviews
United Airlines
7.4
Good
10,000 reviews

Comfort

7.2

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

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.

American Airlines
7.3
Good
10,000 reviews
United Airlines
7.4
Good
10,000 reviews

Comfort

7.2

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

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
7.2
Good
1,276 reviews
United Airlines
7.4
Good
10,000 reviews

Comfort

7.2

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

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.

Lufthansa
7.0
Good
7,483 reviews
United Airlines
7.4
Good
10,000 reviews

Comfort

7.2

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

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
6.8
Okay
6,727 reviews
United Airlines
7.4
Good
10,000 reviews

Comfort

7.2

Overall

7.4

Entertainment

7.1

Crew

8.1

Food

6.7

Boarding

7.7

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. 3 airlines 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 11 inbound flights from London Heathrow per day.

  • Can I find flights from London Heathrow Airport to Shannon for under $1,100 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to Shannon for under $1,100. The cheapest flight booked recently is on Multiple Airlines for just $1,045, but on average you can expect to pay $2,310.

  • Are there nonstop flights from London Heathrow Airport to Shannon for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from London Heathrow Airport to Shannon under $200. A good price for a nonstop flight from London Heathrow Airport to Shannon is less than $226.

  • Are there last-minute flights available from London Heathrow Airport to Shannon for under $3,000?

    There are currently 11+ open flights from London Heathrow Airport to Shannon within the next 7 days for less than $3,000.

  • What days are nonstop flights available from London Heathrow Airport to Shannon?

    You can find nonstop flights on the following days: Friday.

  • How many flights depart from London Heathrow Airport to Shannon on average per day?

    Travelers can expect 4 flights from London Heathrow Airport to Shannon on average per day.
    Afternoon (Noon - 6pm) - 100% of flight departures

  • How long is the flight from London Heathrow Airport to Shannon?

    A quick flight from London Heathrow Airport to Shannon can take about 1h 25m. British Airways provides one of the quickest options available for as low as $2,892. There are 371 mi between London Heathrow Airport and Shannon. This flight may include one or multiple stops.

  • 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 British Airways. Our recent data shows that you can find tickets from as low as $2,892 on this airline. Additional options worth looking into are Lufthansa and United Airlines, starting at $16,111 and $16,833 round-trip.

  • What are the cheapest airlines to fly from London Heathrow Airport to Shannon one-way?

    $144 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Aer Lingus and American Airlines, with prices starting from $362 and $2,125, respectively.

  • 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 $156 for a flight from London Heathrow Airport to Shannon. The cheapest flight overall is $95 while the most popular route, (London Heathrow - Shannon) is currently priced at $127.

  • What does LHR to SNN mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a London Heathrow Airport to Shannon Airport flight would often be abbreviated as a LHR to SNN flight.

  • Can I find deals for flights from Heathrow to Shannon that include extra baggage allowance?

    The amount of baggage you can bring on your Heathrow to Shannon flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Heathrow to Shannon with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to Shannon flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Heathrow to Shannon that allow pets onboard?

    Many airlines flying from Heathrow to Shannon offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Heathrow to Shannon?

    Yes, you can often find last-minute deals on Heathrow to Shannon flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London Heathrow Airport to Shannon flight deals updated?

    The London Heathrow Airport to Shannon flight deals you see on this page were last updated on 6/13.

  • What are the most popular airlines that fly from London Heathrow Airport to Shannon?

    Before booking your flight from London Heathrow Airport to Shannon check out the most popular airlines for this route: British Airways, Aer Lingus or Ryanair.

  • 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 $1,012). 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

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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.

Gatwick to Dublin flights
Heathrow to Dublin flights
Heathrow to Cork flights

Top 3 airlines flying from Heathrow to Shannon

Discover the top 3 airlines 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 3,214,720 searches. Data last updated June 13, 2024.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$44Average$75FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$118Average$172FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$228Average$282FlexibilityNo cancel feeOn-time70%
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Search flights from Heathrow to Shannon by cabin class

Find flights from Heathrow to Shannon, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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Economy Class

Hourly flight availability from Heathrow to Shannon

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 June 13, 2024.
1%of flight departuresEarly morningMidnight to 6 am
25%of flight departuresMorning6 am to noon
37%of flight departuresAfternoonNoon to 6 pm
37%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Heathrow 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 June 13, 2024.
Sunday13daily flights
Monday10daily flights
Tuesday13daily flights
Wednesday9daily flights
Thursday13daily flights
Friday13daily flights
Saturday10daily flights

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