Cheap flights from London Heathrow Airport to Shannon from £76
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Shannon departing on 13/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from London Heathrow Airport to Shannon
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Cheap bus & train deals from London Heathrow Airport to Shannon
All return flight deals from London Heathrow Airport to Shannon
British Airways flights from London Heathrow Airport to Shannon
Our best British Airways deals on London Heathrow Airport to Shannon flight tickets
Aer Lingus flights from London Heathrow Airport to Shannon
Our best Aer Lingus deals on London Heathrow Airport to Shannon flight tickets
See travel insights to Shannon from
How to get the cheapest flight ticket from London Heathrow Airport to Shannon
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between London Heathrow Airport and Shannon?
What is the cheapest month to fly to Shannon?
If you aren’t able to travel during the month of January, then book flights to Shannon from London Heathrow Airport during February instead. Flights to Shannon in February, while not as cheap as those in January, still average around £115.
What is the cheapest day to depart on your flight to Shannon?
According to our data, Tuesday is the cheapest day to fly to Shannon from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was £90. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Shannon on Sunday is £109.
What is the cheapest time of day to depart on your flight to Shannon?
According to our data, the cheapest time of day to fly to Shannon is in the morning. momondo users have found flights departing from London Heathrow Airport to Shannon in the morning for as low as £77. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at midday because they tend to be around £139. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest London Heathrow to Shannon flight route?
Fly from London Heathrow to Shannon for the best London Heathrow - Shannon flight prices
How far in advance should I book a flight to Shannon?
You are more likely to see cheaper flights to Shannon from London Heathrow Airport when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Shannon for around £142 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon from London Heathrow Airport for as low as £115 on momondo.
What cabin class options are available on London Heathrow to Shannon flights?
There are 3 cabin classes available to choose from on London Heathrow to Shannon flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Shannon?
Aer Lingus, British Airways, and American Airlines are the most popular carriers operating from London Heathrow to Shannon
Which airlines fly to Shannon?
Aer Lingus, British Airways and Ryanair are the top three most popular airlines that fly to Shannon from London Heathrow Airport according to our data. Aer Lingus is the first choice among our users, with 82% of people opting to fly with this airline when travelling to Shannon. Keep in mind that there are 3 different airlines that fly to Shannon on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Shannon on average per day?
As of January 2025, 12 flights take off from London Heathrow Airport and land in Shannon each day. The most common flight departure time for this route is 10:00, with 37% of daily flights taking off at midday.
How many flights depart from London Heathrow Airport to Shannon on average per week?
89 flights are operational weekly from London Heathrow Airport to Shannon as of January 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.
When to book flights from London Heathrow Airport to Shannon
Cheap London Heathrow Airport to Shannon (LHR to SNN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Shannon
How far is London Heathrow to Shannon by plane?
The straight-line distance from London Heathrow to Shannon is 366.5 mi. Typically, this will take 1h 20m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to Shannon Airport?
Prices for flights from London Heathrow Airport to Shannon Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London Heathrow Airport to Shannon Airport?
As of January 2025, there are 3 operators available to choose from for flights from London Heathrow Airport to Shannon Airport.
How old do you have to be to fly from London Heathrow Airport to Shannon Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Shannon Airport.
What documentation or ID do you need to fly to Shannon Airport?
The travel and health documents required for your trip to Shannon Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Shannon Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Shannon?
Based on momondo bookings for flights between London Heathrow Airport and Shannon, the leading plane model is Airbus A321neo, making up 13.59% of the total bookings. Other popular models include Boeing 777-200/200ER with 11.23%, Boeing 787-9 Dreamliner with 9.19%, and Airbus A330-200 with 8.91%.
What is the most popular airline from London Heathrow Airport to Shannon?
Based on momondo bookings for flights between London Heathrow Airport and Shannon, the leading airline is Aer Lingus, making up 91% of the total bookings. Other popular airlines include British Airways with 5% and Ryanair with 4%.
Best airlines flying from London Heathrow Airport to Shannon
Compare and see reviews for airlines that fly from London Heathrow Airport to Shannon with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £32 | Free Cancellation | Rating 6.8 5,194 reviews | |||
| PriceFrom £97 | Free Cancellation | Rating 7.1 1,082 reviews | |||
| PriceFrom £176 | Free Cancellation | Rating 6.6 6,831 reviews |
Aer Lingus Flights From London Heathrow Airport to Shannon
Aer Lingus flight deals from London Heathrow Airport to Shannon start from £120 round-trip. Over the 19 Aer Lingus flights for this route in a normal week, average airfare is usually £178 round-trip - but some users have found much cheaper deals with momondo.
British Airways Flights From London Heathrow Airport to Shannon
Across 6,831 British Airways reviews on momondo, the average score is 6.6/10. British Airways flies from London Heathrow Airport to Shannon about 19 times each week, with ticket deals ranging from £217 to £289. Price data is based on momondo searches in the last 72 hours.
Travelling to a place near Shannon?
Book flights to Shannon if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from London to Shannon?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Shannon from London.
Can I find flights from London to Shannon with flexible booking policies on momondo?
Yes. All flights to Shannon from London on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from London to Shannon?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Shannon from London.
I’m not ready to book a flight from London to Shannon right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Shannon now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Shannon and let you know when they change.