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Cheap flights from Shannon to London Heathrow Airport from £56

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 23/4. 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 return train or bus tickets from Shannon to London.

All return flight deals from Shannon to London

The cheapest plane tickets from Shannon to London found on KAYAK recently.
20:05 - 21:25SNN-LHR
1h 20mdirect
19:25 - 20:00LHR-SNN
24h 35m1 stop
Mon, 24 Feb - Fri, 28 Feb
20:05 - 21:25SNN-LHR
1h 20mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£136Aer Lingus
Find Deal
Fri, 31 Jan - Mon, 3 Feb
20:05 - 21:25SNN-LHR
1h 20mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£139Aer Lingus
Find Deal
Fri, 31 Jan - Mon, 3 Feb
20:25 - 08:00SNN-LHR
11h 35m1 stop
18:05 - 19:25LHR-SNN
1h 20mdirect
Sat, 1 Feb - Wed, 5 Feb
20:05 - 21:25SNN-LHR
1h 20mdirect
21:00 - 13:35LHR-SNN
16h 35m1 stop
Sun, 2 Mar - Sun, 9 Mar
20:30 - 10:10SNN-LHR
13h 40m1 stop
18:05 - 19:25LHR-SNN
1h 20mdirect
Sun, 2 Feb - Mon, 17 Feb
07:45 - 09:15SNN-LHR
1h 30mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£208British Airways
Find Deal
Sun, 2 Mar - Sun, 9 Mar
07:45 - 09:15SNN-LHR
1h 30mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£209British Airways
Find Deal
Mon, 17 Mar - Tue, 18 Mar
14:45 - 05:55SNN-LHR
15h 10m1 stop
10:35 - 06:15LHR-SNN
19h 40m1 stop
£6,865American Airlines
Find Deal
Sun, 2 Feb - Thu, 6 Feb
14:45 - 05:55SNN-LHR
15h 10m1 stop
11:25 - 06:15LHR-SNN
18h 50m1 stop
£6,870American Airlines
Find Deal
Fri, 21 Feb - Mon, 24 Feb
07:40 - 09:05SNN-LHR
1h 25mdirect
£56Aer Lingus
Find Deal
Wed, 23 Apr
07:45 - 09:15SNN-LHR
1h 30mdirect
£83Aer Lingus
Find Deal
Thu, 13 Mar
16:05 - 08:10SNN-LHR
16h 05m1 stop
Mon, 2 Jun
07:40 - 09:05SNN-LHR
1h 25mdirect
£92British Airways
Find Deal
Sun, 22 Jun
07:40 - 09:05SNN-LHR
1h 25mdirect
£92British Airways
Find Deal
Sun, 22 Jun
07:40 - 09:05SNN-LHR
1h 25mdirect
£93British Airways
Find Deal
Mon, 2 Jun
17:30 - 18:55SNN-LHR
1h 25mdirect
£96British Airways
Find Deal
Mon, 3 Mar
16:05 - 20:45SNN-LHR
4h 40m1 stop
Mon, 23 Jun
14:45 - 05:55SNN-LHR
15h 10m1 stop
£823JetBlue
Find Deal
Sun, 2 Mar
14:45 - 05:55SNN-LHR
15h 10m1 stop
£1,107JetBlue
Find Deal
Fri, 14 Mar
20:05 - 21:25SNN-LHR
1h 20mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
Mon, 20 Jan - Wed, 22 Jan
20:25 - 08:00SNN-LHR
11h 35m1 stop
15:20 - 16:45LHR-SNN
1h 25mdirect
Sat, 18 Jan - Mon, 20 Jan
17:30 - 18:55SNN-LHR
1h 25mdirect
20:50 - 13:50LHR-SNN
17h 00m2 stops
Tue, 21 Jan - Thu, 23 Jan
17:05 - 22:00SNN-LHR
28h 55m2 stops
18:10 - 22:55LHR-SNN
28h 45m2 stops
Tue, 21 Jan - Thu, 23 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
20:10 - 14:45LHR-SNN
18h 35m1 stop
Mon, 20 Jan - Wed, 22 Jan
20:25 - 13:25SNN-LHR
17h 00m2 stops
18:05 - 19:25LHR-SNN
1h 20mdirect
Sat, 18 Jan - Mon, 20 Jan
14:45 - 05:55SNN-LHR
15h 10m1 stop
18:05 - 19:25LHR-SNN
1h 20mdirect
£635Aer Lingus
Find Deal
Tue, 21 Jan - Thu, 23 Jan
17:30 - 18:55SNN-LHR
1h 25mdirect
11:25 - 06:15LHR-SNN
18h 50m1 stop
£650Aer Lingus
Find Deal
Sun, 19 Jan - Thu, 23 Jan
07:45 - 09:15SNN-LHR
1h 30mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
£723British Airways
Find Deal
Sat, 18 Jan - Wed, 22 Jan
14:45 - 05:55SNN-LHR
15h 10m1 stop
10:35 - 06:15LHR-SNN
19h 40m1 stop
£6,864American Airlines
Find Deal
Sat, 18 Jan - Wed, 22 Jan
20:05 - 21:25SNN-LHR
1h 20mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
£76Aer Lingus
Find Deal
Sun, 2 Feb - Wed, 19 Feb
20:05 - 21:25SNN-LHR
1h 20mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£77Aer Lingus
Find Deal
Sun, 2 Feb - Tue, 11 Feb
20:05 - 21:25SNN-LHR
1h 20mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£78Aer Lingus
Find Deal
Thu, 30 Jan - Sun, 2 Feb
07:45 - 09:15SNN-LHR
1h 30mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
£79Aer Lingus
Find Deal
Thu, 30 Jan - Thu, 30 Jan
17:25 - 18:50SNN-LHR
1h 25mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£79Aer Lingus
Find Deal
Sat, 1 Feb - Sun, 2 Feb
17:25 - 18:50SNN-LHR
1h 25mdirect
14:15 - 15:45LHR-SNN
1h 30mdirect
£80Aer Lingus
Find Deal
Sat, 1 Feb - Sat, 8 Feb
17:30 - 18:55SNN-LHR
1h 25mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
Thu, 30 Jan - Thu, 6 Feb
17:30 - 18:55SNN-LHR
1h 25mdirect
15:20 - 16:45LHR-SNN
1h 25mdirect
£206British Airways
Find Deal
Tue, 4 Mar - Tue, 25 Mar
07:45 - 09:15SNN-LHR
1h 30mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£208British Airways
Find Deal
Sun, 2 Mar - Sun, 9 Mar
07:45 - 09:15SNN-LHR
1h 30mdirect
10:00 - 11:30LHR-SNN
1h 30mdirect
£209British Airways
Find Deal
Mon, 17 Mar - Tue, 18 Mar

British Airways flights from Shannon to London Heathrow Airport

Our best British Airways deals on Shannon to London Heathrow Airport flight tickets
British Airways
2 Mar
SNN07:45Shannon
1h 30m
LHR09:15London Heathrow
9 Mar
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon
British Airways
17 Mar
SNN07:45Shannon
1h 30m
LHR09:15London Heathrow
18 Mar
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon
British Airways
21 Feb
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
23 Feb
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
31 Jan
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
3 Feb
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon
Aer Lingus
31 Jan
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
3 Feb
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon
Aer Lingus
31 Jan
SNN20:05Shannon
1h 20m
LHR21:25London Heathrow
3 Feb
LHR10:00London Heathrow
1h 30m
SNN11:30Shannon

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 typical price of a round-trip flight between Shannon and London Heathrow Airport?

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

In general, January is the cheapest month to fly from Shannon to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £105. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Shannon averaging around £115.

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

On average, the least expensive day to fly to London Heathrow Airport from Shannon is on a Sunday. momondo users have found tickets for Sunday departures for as low as £0. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £145.

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?

You are more likely to see cheaper flights to London Heathrow Airport from Shannon when booking 22 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £134 when searching 22 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Shannon for as low as £102 on momondo.

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

There are 1 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.

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

As of January 2025, prices for Shannon to London Heathrow Airport flights are approximately 16% more expensive 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

£56

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 £56. The best return flight deal from Shannon to London Heathrow Airport found on momondo in the last 72 hours is £126.
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?

    A flight from Shannon to London Heathrow will travel around 366.5 mi. Flights usually cover this in 1h 20m, depending on flying conditions and air traffic around both airports.

  • 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 are refreshed on a daily basis.

  • 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 layovers. 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 required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 £91Free CancellationRating
7.1
1,077 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From Shannon to London Heathrow Airport

    Aer Lingus flies from Shannon to London Heathrow Airport around 19 times per week, with 1,077 momondo users rating the airline 7.1/10. The cheapest Aer Lingus deal from Shannon to London Heathrow Airport in the last 72 hours was £112 (round-trip), much lower than the average airfare cost of £149 for Aer Lingus flights on this route.


Travelling to a place near London?

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Shannon to London for you.

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

Yes. All flights to London from Shannon on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Shannon to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.


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