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Cheap flights from Shannon, Clare to London Heathrow Airport from $158

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, Clare to London Heathrow Airport departing on 5/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Shannon, Clare to London

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Shannon, Clare to London.
8:00 pm - 9:45 amSNN-LHR
13h 45m1 stop
6:00 am - 7:35 pmLHR-SNN
13h 35m2 stops
Fri, Apr 25 - Fri, May 2
8:50 am - 9:05 amSNN-LHR
24h 15m2 stops
2:00 pm - 10:50 pmLHR-SNN
8h 50m2 stops
Sat, May 17 - Mon, May 19
8:00 pm - 8:05 pmSNN-LHR
24h 05m2 stops
6:00 am - 7:35 pmLHR-SNN
13h 35m2 stops
Fri, Apr 25 - Fri, May 2
7:40 am - 9:05 amSNN-LHR
1h 25mnonstop
2:40 pm - 5:25 amLHR-SNN
14h 45m1 stop
$914Aer Lingus
Find Deal
Wed, May 7 - Wed, May 7
5:30 pm - 6:55 pmSNN-LHR
1h 25mnonstop
2:40 pm - 4:10 pmLHR-SNN
1h 30mnonstop
$926British Airways
Find Deal
Sat, Apr 12 - Wed, Apr 16
7:40 am - 9:05 amSNN-LHR
1h 25mnonstop
9:50 am - 11:20 amLHR-SNN
1h 30mnonstop
$928British Airways
Find Deal
Sat, May 10 - Sun, May 11
7:40 am - 9:05 amSNN-LHR
1h 25mnonstop
8:25 am - 5:55 amLHR-SNN
21h 30m1 stop
$3,746Aer Lingus
Find Deal
Wed, Apr 16 - Tue, Apr 29
12:30 pm - 6:45 amSNN-LHR
18h 15m1 stop
4:00 pm - 10:15 amLHR-SNN
18h 15m1 stop
$13,299United Airlines
Find Deal
Sun, May 11 - Sun, May 18
12:30 pm - 9:20 amSNN-LHR
20h 50m1 stop
6:00 pm - 10:15 amLHR-SNN
16h 15m1 stop
$13,324Lufthansa
Find Deal
Sat, May 10 - Mon, May 12
12:30 pm - 6:45 amSNN-LHR
18h 15m1 stop
4:00 pm - 10:15 amLHR-SNN
18h 15m1 stop
$13,330United Airlines
Find Deal
Sat, May 10 - Sat, May 17

Aer Lingus flights from Shannon, Clare to London Heathrow Airport

Our best Aer Lingus deals on Shannon, Clare to London Heathrow Airport flight tickets
Aer Lingus
Mar 29
SNN5:25 pmShannon
1h 25m
LHR6:50 pmLondon Heathrow
Apr 1
LHR7:10 pmLondon Heathrow
1h 25m
SNN8:35 pmShannon
Aer Lingus
May 7
SNN7:40 amShannon
1h 25m
LHR9:05 amLondon Heathrow
May 7
LHR2:40 pmLondon Heathrow
14h 45m
1 stop
SNN5:25 amShannon
Aer Lingus
Apr 16
SNN7:40 amShannon
1h 25m
LHR9:05 amLondon Heathrow
Apr 29
LHR8:25 amLondon Heathrow
21h 30m
1 stop
SNN5:55 amShannon

British Airways flights from Shannon, Clare to London Heathrow Airport

Our best British Airways deals on Shannon, Clare to London Heathrow Airport flight tickets
British Airways
Mar 29
SNN7:45 amShannon
1h 30m
LHR9:15 amLondon Heathrow
Mar 30
LHR9:50 amLondon Heathrow
1h 30m
SNN11:20 amShannon
British Airways
Apr 12
SNN5:30 pmShannon
1h 25m
LHR6:55 pmLondon Heathrow
Apr 16
LHR2:40 pmLondon Heathrow
1h 30m
SNN4:10 pmShannon
British Airways
May 10
SNN7:40 amShannon
1h 25m
LHR9:05 amLondon Heathrow
May 11
LHR9:50 amLondon Heathrow
1h 30m
SNN11:20 amShannon

See travel insights to London from

How to get the cheapest flight ticket from Shannon, Clare 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 February is, on average, the cheapest month to fly to London Heathrow Airport from Shannon, Clare, with most prices found around $108. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Shannon, Clare to London Heathrow Airport during January average around $126.

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

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $443. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $785.

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, Clare to London Heathrow Airport in the evening for as low as $183. 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 morning are often more expensive with an average ticket price of $782.

What is the cheapest Shannon to London Heathrow flight route?

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

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, Clare to London Heathrow Airport flight prices changed over time?

As of March 2025, prices for Shannon, Clare to London Heathrow Airport flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from Shannon, Clare to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Shannon, Clare 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, Clare 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, Clare to London Heathrow Airport

Best Price Found

$158

Fastest flight time

1h 25m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun
The best one-way flight to London Heathrow Airport from Shannon, Clare in the past 72 hours is $158. The best round-trip flight deal from Shannon, Clare to London Heathrow Airport found on momondo in the last 72 hours is $607.
The fastest flight from Shannon, Clare to London Heathrow Airport takes 1h 25m
Direct flights go from Shannon, Clare to London Heathrow Airport on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Aer Lingus and British Airways.

  • 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 25m 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, Clare to London Heathrow Airport?

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


Best airlines flying from Shannon, Clare to London Heathrow Airport

Compare and see reviews for airlines that fly from Shannon, Clare to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $97Free CancellationRating
7.0
1,062 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From Shannon, Clare to London Heathrow Airport

    Aer Lingus flies from Shannon, Clare to London Heathrow Airport around 10 times per week, with 1,062 momondo users rating the airline 7.0/10. The cheapest Aer Lingus deal from Shannon, Clare to London Heathrow Airport in the last 72 hours was $97 (round-trip), much lower than the average airfare cost of $153 for Aer Lingus flights on this route.


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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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