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Cheap flights from Shannon to London Heathrow Airport from $123

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 2/14. 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 round-trip flights

These are some of the best round-trip 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 layovers.

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 from Shannon to London

The cheapest plane tickets from Shannon to London found on KAYAK recently.
7:45 am - 9:15 amSNN-LHR
1h 30mnonstop
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
$133Aer Lingus
Find Deal
Fri, Mar 7 - Fri, Mar 7
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
$135Aer Lingus
Find Deal
Mon, Mar 24 - Thu, Mar 27
2:00 pm - 6:15 pmSNN-LHR
4h 15m1 stop
10:00 am - 11:30 amLHR-SNN
1h 30mnonstop
Mon, Mar 24 - Thu, Mar 27
7:45 am - 9:15 amSNN-LHR
1h 30mnonstop
8:30 pm - 6:25 pmLHR-SNN
21h 55m1 stop
Sat, Mar 1 - Tue, Mar 4
9:15 pm - 10:40 pmSNN-LHR
1h 25mnonstop
2:40 pm - 4:10 pmLHR-SNN
1h 30mnonstop
$170Aer Lingus
Find Deal
Thu, Jun 26 - Tue, Jul 1
5:25 pm - 6:50 pmSNN-LHR
1h 25mnonstop
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
Sat, Mar 1 - Tue, Mar 4
7:45 am - 9:15 amSNN-LHR
1h 30mnonstop
9:55 am - 10:20 pmLHR-SNN
12h 25m2 stops
Sat, Mar 1 - Tue, Mar 4
7:40 am - 9:05 amSNN-LHR
1h 25mnonstop
2:40 pm - 4:10 pmLHR-SNN
1h 30mnonstop
$256British Airways
Find Deal
Sat, Apr 5 - Tue, Apr 8
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
$257British Airways
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Thu, Feb 13 - Sun, Feb 16
12:30 pm - 5:55 amSNN-LHR
17h 25m1 stop
6:00 pm - 10:30 amLHR-SNN
16h 30m1 stop
$12,586United Airlines
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Sat, Apr 5 - Tue, Apr 8
10:50 am - 7:10 pmSNN-LHR
32h 20m2 stops
Fri, Feb 14
5:45 am - 8:05 pmSNN-LHR
14h 20m2 stops
Wed, Feb 26
3:35 pm - 9:10 pmSNN-LHR
5h 35m1 stop
Fri, Jun 27
3:35 pm - 9:10 pmSNN-LHR
5h 35m1 stop
Fri, May 16
9:15 pm - 10:40 pmSNN-LHR
1h 25mnonstop
$135British Airways
Find Deal
Sun, Jul 20
9:15 pm - 10:40 pmSNN-LHR
1h 25mnonstop
$136British Airways
Find Deal
Sun, Jul 20
2:45 pm - 5:55 amSNN-LHR
15h 10m1 stop
$965JetBlue
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Tue, Feb 4
2:45 pm - 5:55 amSNN-LHR
15h 10m1 stop
$967JetBlue
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Wed, Mar 19
12:30 pm - 8:40 pmSNN-LHR
32h 10m1 stop
$3,300Lufthansa
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Sun, Jul 20
12:30 pm - 8:40 pmSNN-LHR
32h 10m1 stop
$3,306Lufthansa
Find Deal
Sun, Jul 20
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
$257British Airways
Find Deal
Thu, Jan 23 - Fri, Jan 24
5:30 pm - 6:55 pmSNN-LHR
1h 25mnonstop
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
$889British Airways
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Fri, Jan 24 - Sun, Jan 26
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
2:15 pm - 3:45 pmLHR-SNN
1h 30mnonstop
$100Aer Lingus
Find Deal
Mon, Feb 24 - Sat, Mar 1
7:45 am - 9:15 amSNN-LHR
1h 30mnonstop
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
$133Aer Lingus
Find Deal
Fri, Mar 7 - Fri, Mar 7
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
$135Aer Lingus
Find Deal
Mon, Mar 24 - Thu, Mar 27
9:15 pm - 10:40 pmSNN-LHR
1h 25mnonstop
2:40 pm - 4:10 pmLHR-SNN
1h 30mnonstop
$170Aer Lingus
Find Deal
Thu, Jun 26 - Tue, Jul 1
5:25 pm - 6:50 pmSNN-LHR
1h 25mnonstop
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
Sat, Mar 1 - Tue, Mar 4
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
10:00 am - 11:30 amLHR-SNN
1h 30mnonstop
$215Aer Lingus
Find Deal
Fri, Jan 31 - Mon, Feb 3
7:40 am - 9:05 amSNN-LHR
1h 25mnonstop
2:40 pm - 4:10 pmLHR-SNN
1h 30mnonstop
$256British Airways
Find Deal
Sat, Apr 5 - Tue, Apr 8
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
$257British Airways
Find Deal
Thu, Feb 13 - Sun, Feb 16
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
$258British Airways
Find Deal
Fri, Mar 14 - Tue, Mar 18
5:25 pm - 6:50 pmSNN-LHR
1h 25mnonstop
10:00 am - 11:30 amLHR-SNN
1h 30mnonstop
$275British Airways
Find Deal
Sat, Feb 1 - Mon, Feb 3

British Airways flights from Shannon to London Heathrow Airport

Our best British Airways deals on Shannon to London Heathrow Airport flight tickets
British Airways
Apr 5
SNN7:40 amShannon
1h 25m
LHR9:05 amLondon Heathrow
Apr 8
LHR2:40 pmLondon Heathrow
1h 30m
SNN4:10 pmShannon
British Airways
Jan 23
SNN8:05 pmShannon
1h 20m
LHR9:25 pmLondon Heathrow
Jan 24
LHR3:20 pmLondon Heathrow
1h 25m
SNN4:45 pmShannon
British Airways
Jan 30
SNN7:45 amShannon
1h 30m
LHR9:15 amLondon Heathrow
Feb 4
LHR10:00 amLondon Heathrow
1h 30m
SNN11:30 amShannon

Aer Lingus flights from Shannon to London Heathrow Airport

Our best Aer Lingus deals on Shannon to London Heathrow Airport flight tickets
Aer Lingus
Jan 27
SNN5:30 pmShannon
1h 25m
LHR6:55 pmLondon Heathrow
Mar 3
LHR10:00 amLondon Heathrow
1h 30m
SNN11:30 amShannon
Aer Lingus
Jan 28
SNN8:05 pmShannon
1h 20m
LHR9:25 pmLondon Heathrow
Jan 29
LHR6:05 pmLondon Heathrow
1h 20m
SNN7:25 pmShannon
Aer Lingus
Mar 7
SNN7:45 amShannon
1h 30m
LHR9:15 amLondon Heathrow
Mar 7
LHR3:20 pmLondon Heathrow
1h 25m
SNN4:45 pmShannon

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?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Shannon, with most prices found around $128. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from Shannon to London Heathrow Airport during February average around $135.

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

Our data shows that Sunday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $131. The most expensive day to fly to London Heathrow Airport is Wednesday, with ticket prices averaging around $187.

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 in the evening. momondo users have found flights departing from Shannon to London Heathrow Airport in the evening for as low as $156. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $186.

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 $163 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 $125 on momondo.

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

There are 4 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 9% 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 round-trip 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

$123

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 $123. The best round-trip flight deal from Shannon to London Heathrow Airport found on momondo in the last 72 hours is $133.
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 366.5 mi. Typically, this will take 1h 20m by plane in normal conditions.

  • 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 updated daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 $123Free CancellationRating
7.1
1,082 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 1,082 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 $123 (round-trip), much lower than the average airfare cost of $172 for Aer Lingus flights on this route.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Hounslow
Croydon
Slough
Luton
Ipswich
Hayes
Stansted
Ilford
Guildford
Canterbury
Salisbury
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Milton Keynes
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Colchester
Wembley
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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Shannon to London. momondo saves you time and could save you money on your trip.

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

Flights from Shannon to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Shannon to London.

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

Price alerts on flights to London from Shannon are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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