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Cheap flights from Shannon, Clare to London from £45

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 departing on 15/9. 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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0 bags

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Find the cheapest flights from Shannon, Clare to London

Cheap return flights

Aer Lingus Logo
16:55 - 18:20SNN-LHR
1h 25mdirect
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
£91Aer Lingus
Find Deal
Thu, 4 Sep - Tue, 23 Sep
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
Aer Lingus Logo
14:40 - 16:10LHR-SNN
1h 30mdirect
£91Aer Lingus
Find Deal
Fri, 12 Sep - Wed, 17 Sep
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
£92Aer Lingus
Find Deal
Fri, 12 Sep - Fri, 19 Sep
Aer Lingus Logo
07:40 - 09:05SNN-LHR
1h 25mdirect
Aer Lingus Logo
14:40 - 16:10LHR-SNN
1h 30mdirect
£93Aer Lingus
Find Deal
Wed, 24 Sep - Wed, 24 Sep
Aer Lingus Logo
16:55 - 18:20SNN-LHR
1h 25mdirect
Aer Lingus Logo
09:50 - 11:20LHR-SNN
1h 30mdirect
£94Aer Lingus
Find Deal
Thu, 4 Sep - Thu, 11 Sep
Aer Lingus Logo
17:30 - 18:55SNN-LHR
1h 25mdirect
Aer Lingus Logo
14:40 - 16:10LHR-SNN
1h 30mdirect
£94Aer Lingus
Find Deal
Sat, 20 Sep - Mon, 22 Sep
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
£95Aer Lingus
Find Deal
Thu, 11 Sep - Thu, 18 Sep
Aer Lingus Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
Aer Lingus Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
£97Aer Lingus
Find Deal
Thu, 21 Aug - Wed, 3 Sep
Logo
20:05 - 21:25SNN-LHR
1h 20mdirect
Logo
19:05 - 22:50LHR-SNN
3h 45m1 stop
£146
Find Deal
Fri, 14 Nov - Mon, 17 Nov
Logo
21:15 - 22:40SNN-LHR
1h 25mdirect
Logo
19:10 - 20:35LHR-SNN
1h 25mdirect
£151
Find Deal
Thu, 21 Aug - Wed, 3 Sep

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
4 Sept
SNN16:55Shannon
1h 25m
LHR18:20London Heathrow
23 Sept
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
£91
Find similar
Aer Lingus
12 Sept
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
17 Sept
LHR14:40London Heathrow
1h 30m
SNN16:10Shannon
£91
Find similar
Aer Lingus
12 Sept
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
19 Sept
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
£92
Find similar

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
8 Aug
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
17 Aug
LHR14:35London Heathrow
1h 30m
SNN16:05Shannon
£217
Find similar
British Airways
31 Jul
SNN21:15Shannon
1h 25m
LHR22:40London Heathrow
1 Sept
LHR09:50London Heathrow
1h 30m
SNN11:20Shannon
£219
Find similar
British Airways
12 Aug
SNN07:40Shannon
1h 25m
LHR09:05London Heathrow
12 Aug
LHR19:10London Heathrow
1h 25m
SNN20:35Shannon
£235
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Shannon, Clare to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Shannon, Clare to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Thu 4/9

16:55-18:20

Nonstop1h 25m

London Heathrow

Tue 23/9

19:10-20:35

Nonstop1h 25m

£91

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Fri 12/9

21:15-22:40

Nonstop1h 25m

London Heathrow

Wed 17/9

14:40-16:10

Nonstop1h 30m

£91

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Fri 12/9

21:15-22:40

Nonstop1h 25m

London Heathrow

Fri 19/9

19:10-20:35

Nonstop1h 25m

£92

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Wed 24/9

07:40-09:05

Nonstop1h 25m

London Heathrow

Wed 24/9

14:40-16:10

Nonstop1h 30m

£93

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Thu 4/9

16:55-18:20

Nonstop1h 25m

London Heathrow

Thu 11/9

09:50-11:20

Nonstop1h 30m

£94

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Sat 20/9

17:30-18:55

Nonstop1h 25m

London Heathrow

Mon 22/9

14:40-16:10

Nonstop1h 30m

£94

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Thu 11/9

21:15-22:40

Nonstop1h 25m

London Heathrow

Thu 18/9

19:10-20:35

Nonstop1h 25m

£95

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Thu 21/8

21:15-22:40

Nonstop1h 25m

London Heathrow

Wed 3/9

19:10-20:35

Nonstop1h 25m

£97

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Fri 14/11

20:05-21:25

Nonstop1h 20m

London Heathrow

Mon 17/11

19:05-22:50

1 stop3h 45m

£146

ShannonLondon

SNN - LHR

SNNLHR

Shannon

Thu 21/8

21:15-22:40

Nonstop1h 25m

London Heathrow

Wed 3/9

19:10-20:35

Nonstop1h 25m

£151

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, February is the cheapest month to fly from Shannon, Clare to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £81. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Shannon, Clare averaging around £94.

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, Clare is on a Sunday. momondo users have found tickets for Sunday departures for as low as £108. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £411.

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 £108. 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 morning when prices are £523 on average. Flights to London Heathrow Airport from Shannon, Clare in the morning 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

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

As of July 2025, prices for Shannon, Clare to London Heathrow Airport flights are approximately 5% cheaper 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 return 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

£45

Fastest flight time

1h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Shannon, Clare in the past 72 hours is £45. The best return flight deal from Shannon, Clare to London Heathrow Airport found on momondo in the last 72 hours is £91.
The fastest flight from Shannon, Clare to London Heathrow Airport takes 1h 20m
Direct flights go from Shannon, Clare to London Heathrow Airport every day.
Search flight deals

  • 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, 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 £71Free CancellationRating
7.1
1,190 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 18 times per week, with 1,190 momondo users rating the airline 7.1/10. The cheapest Aer Lingus deal from Shannon, Clare to London Heathrow Airport in the last 72 hours was £95 (round-trip), much lower than the average airfare cost of £173 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?

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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