£50 Cheap Flights from London (LHR) to Shannon (SNN)

Popular airlines from Heathrow Airport (LHR) to Shannon Airport (SNN)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 25% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Cheap Flights from London (LHR) to Shannon (SNN)

Prices were available within the past 7 days and start at £50 for one-way flights and £100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Lufthansa
British Airways

Alternative airports near Shannon

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Shannon (SNN) cost?
One-way flights typically cost between £138 and £676 and return flights often range between £311 and £868. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from London (LHR-Heathrow) to Shannon (SNN)?
October is typically the cheapest month to fly from London Heathrow (LHR) to Shannon (SNN), with average return fares of approximately £235. This is about 13% lower than the average price throughout the year. October often sees lower prices as the summer holiday rush has ended, and the peak winter travel season hasn't yet begun, leading to reduced demand. Other cheap months to fly from London Heathrow (LHR) to Shannon (SNN) include March and November.
Which airlines fly direct from London (LHR-Heathrow) to Shannon (SNN)?
Enter LHR to SNN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from London (LHR-Heathrow) to Shannon (SNN)?
To find a cheap flight from London (LHR-Heathrow) to Shannon (SNN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to Shannon (SNN)?
The best airline to fly with from London Heathrow (LHR) to Shannon (SNN) will differ from traveller to traveller. If you like to fly early, EI offers early morning flights. If price is the most important factor, EI typically offers the lowest fares. LH offers the most daily flights from London Heathrow (LHR) to Shannon (SNN), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR-Heathrow) to Shannon (SNN)?
Based on booking data from the past year, if you're looking for the best balance of price and availability for flights from London Heathrow (LHR) to Shannon (SNN), you might find that there isn't a single month that is both the cheapest and most popular. Historically, October and November tend to be the cheapest months, with average return flights around £235. However, April and June are typically the most popular months for travel, meaning you'll have plenty of flight options, though prices might be higher. Consider if saving money or having more schedule flexibility is your priority.
How many flights per day from London (LHR-Heathrow) to Shannon (SNN)?
There are approximately 3 nonstop flights per day from London (LHR-Heathrow) (LHR) to Shannon (SNN). For even more choice, look at flights that include layovers. You'll find around 13 connecting flights per day. Some common connection points include Franz Josef Strauss Intl. (MUC), Unknown (HAM), and All Airports (BER).
What is the earliest flight from London (LHR-Heathrow) to Shannon (SNN)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from LHR to SNN. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Shannon (SNN)?
You'll typically find the most flights from London Heathrow (LHR) to Shannon (SNN) on a Thursday, with around 10 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Aer Lingus, Eurowings, and Lufthansa. Compared to other days, Thursdays offer notably more flight options.
What are the most popular departure times for flights from London (LHR-Heathrow) to Shannon (SNN)?
The most popular departure times for flights from London Heathrow (LHR) to Shannon (SNN) are in the evening, from 6pm to 9pm. About 38% of passengers prefer this time. Many major carriers, including Lufthansa, Aer Lingus and Eurowings, offer flights during this window. This timing works well because you can finish your day before heading to the airport, and you'll arrive in Shannon at a reasonable hour.
How long does it take to fly from London (LHR-Heathrow) to Shannon (SNN)?
A nonstop flight from LHR to SNN typically takes around 1 hour 30 minutes, covering approximately 369 miles. Connecting flights on this route usually add 15 hours 20 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LHR-Heathrow) to Shannon (SNN)?
Select the "Business class" and "First class" filters when looking for LHR to SNN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a London (LHR-Heathrow) to Shannon (SNN) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Shannon (SNN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Shannon (SNN) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Shannon (SNN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Shannon (SNN) flight and hotel package?
Securing a London (LHR-Heathrow) to Shannon (SNN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Shannon (SNN)?
If you booked your London (LHR-Heathrow) to Shannon (SNN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
Shannon
Airlines serving
Aer Lingus, British Airways, Lufthansa
Return price
£100
Distance
590 km
Average flight time
1 hour 28 mins

Explore a world of travel with Expedia

*Available to Expedia members.