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Cheap flights from Shannon to London Heathrow Airport from €159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Shannon to London Heathrow Airport departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Shannon to London

Cheap return flights

These are some of the best return flight deals from Shannon to London that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Shannon to London.

Cheap last-minute flights

Planning a quick getaway from Shannon to London? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to London, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Shannon to London

Find recent round-trip train or bus tickets from Shannon to London.

All round-trip flight deals to London

The cheapest plane tickets to London found on KAYAK recently.
07:45 - 09:15SNN-LHR
1h 30mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
€228Aer Lingus
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Thu, 13 Feb - Sun, 16 Feb
20:05 - 21:25SNN-LHR
1h 20mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
€229Aer Lingus
Find Deal
Fri, 31 Jan - Sun, 2 Feb
17:30 - 18:55SNN-LHR
1h 25mdirect
09:55 - 12:15LHR-SNN
26h 20m2 stops
€231
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Tue, 7 Jan - Tue, 14 Jan
12:55 - 21:00SNN-LHR
8h 05m2 stops
09:55 - 12:15LHR-SNN
26h 20m2 stops
€242
Find Deal
Tue, 7 Jan - Tue, 14 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
€246British Airways
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Fri, 17 Jan - Fri, 24 Jan
17:30 - 18:55SNN-LHR
1h 25mdirect
19:45 - 18:10LHR-SNN
22h 25m1 stop
€248
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Tue, 17 Dec - Thu, 19 Dec
17:30 - 18:55SNN-LHR
1h 25mdirect
17:30 - 18:25LHR-SNN
24h 55m3 stops
€250
Find Deal
Tue, 7 Jan - Tue, 14 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
€251British Airways
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Fri, 28 Feb - Sun, 2 Mar
14:45 - 05:55SNN-LHR
15h 10m1 stop
08:40 - 06:15LHR-SNN
21h 35m1 stop
€8,106American Airlines
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Fri, 10 Jan - Sun, 12 Jan
14:45 - 09:30SNN-LHR
18h 45m1 stop
10:35 - 06:15LHR-SNN
19h 40m1 stop
€8,139American Airlines
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Tue, 31 Dec - Thu, 2 Jan
07:55 - 17:40SNN-LHR
9h 45m2 stops
€159
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Mon, 9 Dec
07:55 - 08:55SNN-LHR
25h 00m3 stops
€167
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Mon, 9 Dec
09:25 - 17:20SNN-LHR
7h 55m1 stop
€176
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Thu, 26 Dec
06:55 - 17:40SNN-LHR
10h 45m2 stops
€178
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Tue, 31 Dec
17:05 - 17:00SNN-LHR
23h 55m3 stops
€187
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Thu, 9 Jan
14:00 - 17:30SNN-LHR
3h 30m1 stop
€190
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Mon, 9 Dec
17:30 - 18:55SNN-LHR
1h 25mdirect
€226Aer Lingus
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Mon, 30 Dec
17:30 - 18:55SNN-LHR
1h 25mdirect
€303British Airways
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Mon, 30 Dec
14:45 - 05:55SNN-LHR
15h 10m1 stop
€1,840JetBlue
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Mon, 30 Dec
14:45 - 05:55SNN-LHR
15h 10m1 stop
€4,575JetBlue
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Tue, 31 Dec
17:25 - 18:50SNN-LHR
1h 25mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
€172Aer Lingus
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Sat, 7 Dec - Sun, 8 Dec
17:25 - 18:50SNN-LHR
1h 25mdirect
06:40 - 10:10LHR-SNN
27h 30m2 stops
€238
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Sat, 7 Dec - Mon, 6 Jan
07:50 - 08:05SNN-LHR
24h 15m2 stops
06:40 - 10:10LHR-SNN
27h 30m2 stops
€264
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Sat, 7 Dec - Mon, 6 Jan
07:45 - 09:15SNN-LHR
1h 30mdirect
14:15 - 15:45LHR-SNN
1h 30mdirect
€307Aer Lingus
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Sat, 7 Dec - Sat, 7 Dec
07:45 - 09:15SNN-LHR
1h 30mdirect
06:50 - 12:35LHR-SNN
5h 45m1 stop
€350
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Sun, 8 Dec - Thu, 12 Dec
17:25 - 18:50SNN-LHR
1h 25mdirect
06:20 - 12:35LHR-SNN
6h 15m1 stop
€405
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Sat, 7 Dec - Sun, 8 Dec
08:15 - 18:30SNN-LHR
10h 15m2 stops
18:05 - 19:25LHR-SNN
1h 20mdirect
€407
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Sun, 8 Dec - Mon, 9 Dec
08:15 - 18:30SNN-LHR
10h 15m2 stops
18:05 - 19:25LHR-SNN
1h 20mdirect
€413
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Sun, 8 Dec - Mon, 9 Dec
17:25 - 18:50SNN-LHR
1h 25mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
€864British Airways
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Sat, 7 Dec - Wed, 11 Dec
14:45 - 05:55SNN-LHR
15h 10m1 stop
10:35 - 06:15LHR-SNN
19h 40m1 stop
€8,161American Airlines
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Sat, 7 Dec - Wed, 11 Dec
20:05 - 21:25SNN-LHR
1h 20mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
€93Aer Lingus
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Thu, 19 Dec - Thu, 26 Dec
17:30 - 18:55SNN-LHR
1h 25mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
€94Aer Lingus
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Tue, 14 Jan - Mon, 20 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
€95Aer Lingus
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Thu, 9 Jan - Mon, 13 Jan
17:30 - 18:55SNN-LHR
1h 25mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
€97Aer Lingus
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Wed, 15 Jan - Fri, 24 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
€98Aer Lingus
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Tue, 7 Jan - Tue, 14 Jan
07:45 - 09:15SNN-LHR
1h 30mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
€100Aer Lingus
Find Deal
Mon, 20 Jan - Mon, 20 Jan
17:30 - 18:55SNN-LHR
1h 25mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
€177
Find Deal
Tue, 7 Jan - Tue, 14 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
€246British Airways
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Fri, 17 Jan - Fri, 24 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
18:05 - 19:25LHR-SNN
1h 20mdirect
€251British Airways
Find Deal
Fri, 28 Feb - Sun, 2 Mar
07:45 - 09:15SNN-LHR
1h 30mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
€252British Airways
Find Deal
Sat, 11 Jan - Sun, 12 Jan

British Airways flights from Shannon to London Heathrow Airport

Our best British Airways deals on Shannon to London Heathrow Airport flight tickets
British Airways
17 Jan
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
24 Jan
LHR15:20London Heathrow
1h 25m
SNN16:45Shannon
British Airways
28 Feb
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
2 Mar
LHR15:20London Heathrow
1h 25m
SNN16:45Shannon
British Airways
11 Jan
SNN07:45Shannon
1h 30m
LHR09:15London Heathrow
12 Jan
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon

Aer Lingus flights from Shannon to London Heathrow Airport

Our best Aer Lingus deals on Shannon to London Heathrow Airport flight tickets
Aer Lingus
13 Feb
SNN07:45Shannon
1h 30m
LHR09:15London Heathrow
16 Feb
LHR15:20London Heathrow
1h 25m
SNN16:45Shannon
Aer Lingus
31 Jan
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
2 Feb
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon
Aer Lingus
17 Dec
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
19 Dec
LHR15:20London Heathrow
1h 25m
SNN16:45Shannon

See travel insights to London from

How to get the cheapest flight ticket from Shannon to London Heathrow Airport

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 cheapest month to fly to London Heathrow Airport?

The month of December is another great option to travel to London Heathrow Airport, with average flight prices from Shannon averaging around €131.

What is the cheapest day to depart on your flight to London Heathrow Airport?

The cheapest day to depart on your flight to London Heathrow Airport is on a Tuesday when prices can be found for as low as €135. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Shannon because it is more convenient for both business and leisure travellers. As a result, prices tend to be around €173.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Shannon to London Heathrow Airport at midday for as low as €0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €166 on average. Flights to London Heathrow Airport from Shannon in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Shannon to London Heathrow flight route?

Fly from Shannon to London Heathrow for the best Shannon - London Heathrow flight prices

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

Most flyers found that booking tickets 20 days in advance of their planned departure date is the best time to get cheap flights to London Heathrow Airport. During this timeframe, flight prices are around €152. In the past 72 hours, momondo users found flights from Shannon to London Heathrow Airport for as low as €74.

What cabin class options are available on Shannon to London Heathrow flights?

There are 2 cabin classes available to choose from on Shannon to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Shannon to London Heathrow Airport flights?

You could potentially save up to 151% on your flight if you consider stops on a Shannon to London Heathrow Airport flight.

How have Shannon to London Heathrow Airport flight prices changed over time?

As of December 2024, prices for Shannon to London Heathrow Airport flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Shannon to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Shannon to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Shannon to London Heathrow Airport (SNN to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Shannon to London Heathrow Airport

Best price found

€159

Fastest flight time

1h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Shannon in the past 72 hours is €159. The best return flight deal from Shannon to London Heathrow Airport found on momondo in the last 72 hours is €228.
The fastest flight from Shannon to London Heathrow Airport takes 1h 20m
Direct flights go from Shannon to London Heathrow Airport every day.

  • How far is Shannon to London Heathrow by plane?

    The distance between Shannon and London Heathrow is about 589.8 km. In terms of flight time, this usually takes a little over 1h 20m.

  • When did momondo last update prices for flights from Shannon Airport to London Heathrow Airport?

    Prices for flights from Shannon Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Shannon Airport to London Heathrow Airport?

  • How old do you have to be to fly from Shannon Airport to London Heathrow Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Shannon Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow 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 licence, and a passport valid for six-months after you plan to arrive at London Heathrow 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 Shannon to London Heathrow Airport?

  • What is the most popular airline from Shannon to London Heathrow Airport?


Best airlines flying from Shannon to London Heathrow Airport

Compare and see reviews for airlines that fly from Shannon to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €108Free CancellationRating
7.1
1,084 reviews
Search Aer Lingus flights
British AirwaysPriceFrom €178Free CancellationRating
6.6
6,832 reviews
Search British Airways flights
  • Aer Lingus Flights From Shannon to London Heathrow Airport

    Across 19 Aer Lingus flights from Shannon to London Heathrow Airport this week, the average price was €156, with the best Aer Lingus deals starting from €113 round-trip. 1,084 users have rated Aer Lingus on momondo, with an average score of 7.1/10.

  • British Airways Flights From Shannon to London Heathrow Airport

    €187 is the best British Airways flight deal from Shannon to London Heathrow Airport found on momondo over the last 72 hours. The average British Airways ticket price found was closer to €213, however, with flight time and availability significantly affecting the price. British Airways (6.6/10 from 6,832 user reviews) flies into London Heathrow Airport from Shannon 19 times in an average week so prices can vary.


Why use momondo?

Why should I use momondo to find a flight deal from Shannon to London?

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 London from Shannon.

Can I find flights from Shannon to London with flexible booking policies on momondo?

All flight searches from Shannon to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Shannon to London?

momondo provides multiple filters to help you find the best flight to London from Shannon. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Shannon to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Shannon. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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