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Find cheap flights from Shannon to London Heathrow Airport from €272

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Shannon to Heathrow departing on 4/5. 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.
1 adult
0 bags
Thu 18/4
Thu 25/4

Search hundreds of travel sites at once for deals on flights to London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Shannon to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Shannon to London, as well as popular online travel agencies
In the last 7 days, travellers have searched 47,600,107 times on KAYAK, and here's why:

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Cheap flight deals from Shannon to Heathrow

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Shannon to Heathrow that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
07:40 - 09:05SNN-LHR
1h 25mdirect
20:55 - 11:50LHR-SNN
14h 55m2 stops
€536
Find Deal
Mon, 1 Apr - Wed, 3 Apr
07:10 - 16:40SNN-LHR
9h 30m1 stop
09:50 - 11:20LHR-SNN
1h 30mdirect
€577
Find Deal
Thu, 11 Apr - Mon, 15 Apr
07:40 - 09:05SNN-LHR
1h 25mdirect
20:45 - 11:50LHR-SNN
15h 05m1 stop
€602
Find Deal
Mon, 1 Apr - Wed, 3 Apr
14:45 - 08:00SNN-LHR
17h 15m1 stop
19:10 - 20:35LHR-SNN
1h 25mdirect
€898British Airways
Find Deal
Tue, 4 Jun - Wed, 5 Jun
14:45 - 08:05SNN-LHR
17h 20m1 stop
19:10 - 20:35LHR-SNN
1h 25mdirect
€910British Airways
Find Deal
Thu, 4 Apr - Mon, 8 Apr
07:10 - 18:30SNN-LHR
11h 20m2 stops
14:30 - 06:05LHR-SNN
15h 35m1 stop
€4,328Scandinavian Airlines
Find Deal
Thu, 11 Apr - Mon, 15 Apr
12:30 - 20:40SNN-LHR
32h 10m1 stop
14:30 - 06:05LHR-SNN
15h 35m1 stop
€4,993Lufthansa
Find Deal
Sat, 24 Aug - Mon, 26 Aug
09:30 - 11:45SNN-LHR
26h 15m1 stop
16:00 - 10:30LHR-SNN
18h 30m1 stop
€12,000United Airlines
Find Deal
Fri, 23 Aug - Mon, 26 Aug
09:30 - 05:55SNN-LHR
20h 25m1 stop
16:00 - 10:30LHR-SNN
18h 30m1 stop
€12,003United Airlines
Find Deal
Sat, 24 Aug - Sun, 25 Aug
12:30 - 06:20SNN-LHR
17h 50m1 stop
13:00 - 10:30LHR-SNN
21h 30m1 stop
€12,013Lufthansa
Find Deal
Sat, 20 Apr - Sun, 21 Apr

Flights from Shannon to Heathrow - Travel Insights & Trends

Get data-powered insights and trends into flights from Shannon to Heathrow to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Shannon to London Heathrow Airport?

The average price of all flights from Shannon to London Heathrow Airport clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to London Heathrow Airport on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from Shannon to London Heathrow Airport. For your return ticket, we recommend flying on a Monday and avoiding Tuesdays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Shannon to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Shannon to London Heathrow Airport is February, where tickets cost €117 on average. On the other hand, the most expensive months are July and October, where the average cost of tickets is €173 and €163 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Shannon to London Heathrow Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Shannon to London Heathrow Airport, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 56 days before departure.

Which airlines provide the cheapest flights from Shannon to London Heathrow Airport?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 3 days, Aer Lingus offered the best one-way deal for that route, at €272. KAYAK users also found Shannon to London Heathrow Airport return flights on British Airways from €898 and on Scandinavian Airlines from €4,328.

Which airlines fly direct between Shannon and London Heathrow Airport?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Shannon to London Heathrow Airport.
There is just one airline that flies from Shannon to London Heathrow Airport direct and that is Aer Lingus. The best one-way deal found from Aer Lingus for the route is €93.

How many flights are there between Shannon and London Heathrow Airport per day?

Each day, there are between 2 and 3 nonstop flights that take off from Shannon and land in London Heathrow Airport, with an average flight time of 1h 23m. The most common departure time is 16:00 and most flights take off in the afternoon. Each week, there are 20 flights. The most frequent day of departure is Wednesday, when 15% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between Shannon and London Heathrow Airport?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Shannon to London Heathrow Airport take?

The duration of a direct flight to London Heathrow Airport from Shannon is typically 1h 15m. The journey crosses a distance of 954 km.

What’s the earliest departure time from Shannon to London Heathrow Airport?

Early birds can take the earliest flight from Shannon at 07:40 and will be landing in London Heathrow Airport at 09:05.

What’s the latest departure time from Shannon to London Heathrow Airport?

If you prefer to fly at night, the latest flight from Shannon to London Heathrow Airport jets off at 21:25 and lands at 22:40.

Good to know

Low season

October

High season

August

Cheapest flight

€272
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly (2% more expensive on average)
Flight from Shannon to London Heathrow Airport

When to book flights from Shannon to Heathrow

Are your dates flexible? Find out the best times to travel from Shannon to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Shannon to London Heathrow Airport flights

  • What is the cheapest flight from Shannon to London Heathrow Airport?

    In the last 3 days, the lowest price for a flight from Shannon to London Heathrow Airport was €296 for a one-way ticket and €584 for a return.

  • Which airports will I be using when flying from Shannon to London Heathrow Airport?

    On your way to London Heathrow Airport, you’ll fly out from Shannon. You’ll be landing at London Heathrow.

  • Which aircraft models fly most regularly from Shannon to London Heathrow Airport?

    The Airbus A321neo is the aircraft model that flies most regularly on the Shannon to London Heathrow Airport flight route.

  • Which airline alliances offer flights from Shannon to London Heathrow Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Shannon and London Heathrow Airport, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Shannon to London Heathrow Airport?

    There are direct flights from Shannon to London Heathrow Airport on a daily basis.

  • Which is the best airline for flights from Shannon to London, Aer Lingus or British Airways?

    The two airlines most popular with KAYAK users for flights from Shannon to London are Aer Lingus and British Airways. With an average price for the route of €140 and an overall rating of 7.2, Aer Lingus is the most popular choice. British Airways is also a great choice for the route, with an average price of €196 and an overall rating of 6.8.

  • How does KAYAK find such low prices on flights from Shannon to London Heathrow Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Shannon to London Heathrow Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Shannon to London Heathrow Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Shannon is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Shannon to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport with an airline and back to Shannon with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Shannon to London Heathrow Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London Heathrow Airport from Shannon up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Shannon to London

  • Looking for a cheap flight? 25% of our users found flights on this route for €60 or less one-way and €176 or less round-trip.

Prefer to fly direct from Shannon to London Heathrow?

Find which airlines fly direct from Shannon to Heathrow, which days they fly and book direct flights.

Direct departures

Shannon to London Heathrow

Monday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Thursday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Friday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Saturday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Sunday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

See more direct flights

Direct returns

London Heathrow to Shannon

Monday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Tuesday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Wednesday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Thursday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Friday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Saturday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

Sunday

Aer Lingus, Air Canada, American Airlines, +2 more

Aer Lingus, Air Canada, +3 more

See more direct flights
See more direct flights

Top airlines flying from Shannon to Heathrow

Need help choosing which airline to fly with from Shannon to Heathrow? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to KAYAK reviews.
7.2
Aer LingusOverall score based on 1404 reviews
67food
80crew
71entertainment
71comfort
74boarding
73overall
Airline reviews

They should. Heck planes more often not when they are suppose to be leaving causing delays

Read more about Aer Lingus

They should. Heck planes more often not when they are suppose to be leaving causing delays

Crew was fantastic got lovely food and plenty of water. Entertainment was good. Never had to ask for anything. Left on time and got to Seattle early. Luggage did not take long either.

Always find Aer Lingus reliable and good value for money. Food on this flight was pretty basic and the headphone Jack at my seat only worked for one ear. Little disappointed in movie selection, limited on recent releases. Staff are okay - but I always buy a cheap ticket so not like I expect first class opulence anyway!!!

Boarding was so quick, flight was ahead of time which is great and the pilot spoke clearly and was letting people know everything, amazing, love travelling with you 😊

Great hospitality and service! Seats could always be cushioned better.

As four hour wait with no explanation as to why the delay Very unacceptable

Excellent long haul experience really enjoyed using Dublin pre-immigration

Nice easy flight. Crew was very nice and of all the times I have bought a seat for my guitar - this was the easiest. They were prepared and no problems at all.

Air Lingus flights were delayed on each of the three flights we took. Not a very good , and organized airline.

Flight was ontime, clean, staff was friendly - there was turbulence but can’t avoid that (it’s a flight 😉)! The staff were attentive but would be nice if Aerlingus didn’t charge for coffee ☺️ but overall I enjoyed my flight experience and will travel with them again (Ireland’s Four star airline

The crew on this flight were attentive, efficient and friendly. It really made for an enjoyable flight.

They canceled my flight , they put me on a different flight that was delayed and the connection was lost . They lost my luggage. And now I’m stuck with any of my belongings.

4 hour technical delay. Cancelled second meal. Crew and flight were great.

British Airways canceled our plane and gave us a new flight scheduled to leave in only three hours, so we had to drop everything and rush to the airport. The new itinerary only left us a one hour layover in Madrid, which was too short because the plane landed late and so we missed our connecting flight. We were then booked onto a flight scheduled to take off 8 hours later, and were not given any compensation or remedial measures.

It took over an hour to check in my bag a there was just one person at the counter. Security lines for business class also took a while. Although I reported 3 hours before my flight I made it to the gate 20 mins before boarding. To add to that jewelry was removed from my checked in baggage. I am submitting a separate complaint to Mumbai airport for that.

Everything was great except for online checkin. That was through BA- glitchy and needed help on seat choice in person at the airport (and the staff were fantastic). Unclear if the problem is due to booking lower fare thru kayak vs directly with Finnair or BA but seems to be the norm.

Seat layout, flight/club attendant service, food variety and quality could have been better. Business class Standard is visibly low compared with 6 other airlines that we have traveled for the past two years.

Despite many attempts to work out a change, neither British Airways nor Kayak nor Chatdeal would allow us to cancel or change this flight so we lost all of the payments when we were not able to fly. Absolutely terrible customer service. We will never use either of the services again.

It said that there was wifi. During the flight there was no wifi and while waiting at the gate the phone services already got cut off so I wasn’t able to say I am taxiing from the gate to my husband. This left me with an uncomfortable feeling. So I was waiting on the WiFi connection during flight and that never happened.

The check at Accra was very bad . I had to be in the queue for solid two hours simple because your staff were pushing people and lifting the balustrade for them to jump the queue. This situation made us very made with your Accra check in crew. I have video of what I am putting across and I am happy I have the opportunity now.I can send the video to you if you are ready to punish those involved.

Book cheap flights from Shannon to London

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Shannon to London found on KAYAK in the last 72 hours.
4/5Sat
directAer Lingus
1h 25mSNN-LHR
€272
25/4Thu
1 stop
6h 15mSNN-LHR
€365
25/4Thu
2 stops
15h 35mSNN-LHR
€424
7/4Sun
1 stop
11h 25mSNN-LHR
€712
19/8Mon
2 stops
32h 10mSNN-LHR
€1,060
29/6Sat
1 stopLufthansa
32h 10mSNN-LHR
€1,845
31/8Sat
1 stopLufthansa
32h 10mSNN-LHR
€2,005
30/4Tue
1 stopLufthansa
32h 10mSNN-LHR
€3,035
10/7Wed
1 stopUnited Airlines
26h 15mSNN-LHR
€4,032
4/6Tue
1 stopUnited Airlines
23h 30mSNN-LHR
€4,082

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Last minute flights from Shannon to Heathrow

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Shannon to London that are departing in the next 10 days.
21/3Thu
directAer Lingus
1h 20mSNN-LHR
26/3Tue
directAer Lingus
1h 25mLHR-SNN
€152
22/3Fri
directBritish Airways
1h 20mSNN-LHR
24/3Sun
directBritish Airways
1h 30mLHR-SNN
€178
22/3Fri
directBritish Airways
1h 30mSNN-LHR
22/3Fri
directBritish Airways
1h 25mLHR-SNN
€295
22/3Fri
direct
1h 20mSNN-LHR
24/3Sun
multi-stop
5h 50mLHR-SNN
€442
21/3Thu
multi-stop
5h 30mSNN-LHR
26/3Tue
direct
1h 20mLHR-SNN
€760
22/3Fri
directBritish Airways
1h 25mSNN-LHR
24/3Sun
multi-stopBritish Airways
20h 15mLHR-SNN
€986
21/3Thu
multi-stop
10h 15mSNN-LHR
26/3Tue
direct
1h 25mLHR-SNN
€1,772

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Shannon - London Heathrow Airport Flights

Departure:

Shannon (SNN)Ireland

Destination:

London Heathrow Airport (LHR)United Kingdom

Return flight deals:

London Heathrow Airport - Shannon

Cabin classes:

€1,836
€1,893
€121