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

You can find one-way and return flights from LHR to SNN with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to SNN ticket fares go up or down.

The cheapest months to fly from London (LHR) to Shannon (SNN) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Only one airline offers direct flights from London Heathrow (LHR) to Shannon (SNN).

Aer Lingus operates 20 direct flights from London Heathrow (LHR) to Shannon (SNN) every week.

To find a cheap flight from London (LHR) 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.

The best airline to fly with from London Heathrow (LHR) to Shannon (SNN) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, Aer Lingus typically offers the lowest fares. Lufthansa offers the most daily flights from London Heathrow (LHR) to Shannon (SNN), which is great 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.

The best time to fly from London Heathrow (LHR) to Shannon (SNN) is a bit of a balancing act. You'll find the cheapest flights in October and November, with average prices around AU$253 for a return flight. However, the most popular months for this route are April and September, which means you'll have plenty of flight options and schedules to choose from during those times. If you're looking for the best value, aiming for October or November could save you some money, but if flexibility and a wide selection of flights are your priority, April or September might be better.

You'll find approximately 3 nonstop flights per day from London Heathrow (LHR) to Shannon (SNN). For even more choices, look at flights that include layovers, as there are around 14 connecting flights per day. Some common connection points include Franz Josef Strauss Intl. (MUC), Hamburg (HAM), and All Airports (BER).

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from London (LHR) to Shannon (SNN). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from London (LHR-Heathrow) to Shannon (SNN) on a Thursday, with around 11 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Aer Lingus, Lufthansa, and Eurowings. Thursdays offer notably more flight options compared to other days of the week, making it a convenient day to fly.

The most popular departure times for flights from London Heathrow (LHR) to Shannon (SNN) are in the evening, from 6pm to 9pm. Many major carriers, including Lufthansa, Aer Lingus and Eurowings, offer flights during this window. Many travellers prefer this timing as it allows for a full day of activities before an evening flight, and you'll arrive in Shannon at a reasonable hour.

Direct flights from LHR to SNN usually take about 1 hour 30 minutes, traveling roughly 594 kilometers. If you opt for a connecting flight, expect to add around 15 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

You can fly business class between LHR and SNN. Airlines that offer business class service on this route include:

* Lufthansa
* Med View Airlines
* Eurowings
* Elf Air

It's easy to earn miles on a London (LHR) 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.

Typically, booking a last minute flight from London (LHR) 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.

Securing a London (LHR) 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.

If you booked your London (LHR) 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.