Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from London Heathrow Airport to Shannon from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Shannon departing on 3/15. 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

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from London Heathrow Airport to Shannon

Cheap round-trip flights

These are some of the best round-trip flight deals from London Heathrow Airport to Shannon 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 London Heathrow Airport to Shannon.

Cheap last minute flights

Planning a quick getaway from London Heathrow Airport to Shannon? 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 Shannon, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from London Heathrow Airport to Shannon

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

All round-trip flight deals to Shannon

The cheapest plane tickets to Shannon found on KAYAK recently.
6:10 pm - 12:10 pmLHR-SNN
18h 00m2 stops
7:35 am - 8:05 pmSNN-LHR
12h 30m2 stops
Sun, Jan 19 - Sun, Jan 26
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
10:20 pm - 12:20 pmSNN-LHR
38h 00m3 stops
Sun, Jan 19 - Sun, Jan 26
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
5:30 pm - 6:55 pmSNN-LHR
1h 25mnonstop
$328British Airways
Find Deal
Fri, Jan 10 - Mon, Jan 13
10:25 am - 12:10 pmLHR-SNN
25h 45m2 stops
10:20 pm - 12:20 pmSNN-LHR
38h 00m3 stops
Sun, Jan 19 - Sun, Jan 26
8:05 am - 3:00 pmLHR-SNN
30h 55m3 stops
10:20 pm - 12:20 pmSNN-LHR
38h 00m3 stops
Sun, Jan 19 - Sun, Jan 26
8:50 am - 8:05 pmLHR-SNN
11h 15m2 stops
8:25 pm - 1:25 pmSNN-LHR
17h 00m2 stops
Sun, Jan 5 - Sat, Jan 11
2:15 pm - 3:45 pmLHR-SNN
1h 30mnonstop
2:45 pm - 9:30 amSNN-LHR
18h 45m1 stop
$2,171Aer Lingus
Find Deal
Sat, Feb 8 - Mon, Feb 10
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
2:45 pm - 5:55 amSNN-LHR
15h 10m1 stop
$2,217Aer Lingus
Find Deal
Sun, Jan 19 - Sun, Jan 26
6:00 pm - 10:30 amLHR-SNN
16h 30m1 stop
12:30 pm - 6:45 amSNN-LHR
18h 15m1 stop
$17,073United Airlines
Find Deal
Fri, Apr 4 - Mon, Apr 7
8:30 am - 7:30 amLHR-SNN
23h 00m1 stop
9:30 am - 11:45 amSNN-LHR
26h 15m1 stop
$17,215United Airlines
Find Deal
Sun, Jun 8 - Wed, Jun 18
2:15 pm - 3:45 pmLHR-SNN
1h 30mnonstop
$100Aer Lingus
Find Deal
Sat, Mar 15
7:10 pm - 8:35 pmLHR-SNN
1h 25mnonstop
$111Aer Lingus
Find Deal
Wed, May 7
6:55 am - 8:00 pmLHR-SNN
13h 05m1 stop
Sat, Mar 15
6:55 am - 7:10 amLHR-SNN
24h 15m2 stops
Sat, Mar 15
6:15 am - 1:50 pmLHR-SNN
7h 35m2 stops
Wed, May 7
6:55 am - 1:50 pmLHR-SNN
6h 55m1 stop
Wed, May 7
8:45 am - 7:10 amLHR-SNN
22h 25m3 stops
Sat, Mar 15
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
$280Aer Lingus
Find Deal
Thu, Dec 26 - Fri, Jan 3
7:40 am - 11:50 pmLHR-SNN
16h 10m2 stops
4:10 pm - 10:25 amSNN-LHR
18h 15m2 stops
Thu, Dec 26 - Fri, Jan 3
6:00 am - 11:50 pmLHR-SNN
17h 50m2 stops
4:10 pm - 9:20 pmSNN-LHR
29h 10m3 stops
Thu, Dec 26 - Fri, Jan 3
10:00 am - 11:30 amLHR-SNN
1h 30mnonstop
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
$629British Airways
Find Deal
Sat, Dec 28 - Mon, Dec 30
4:50 pm - 11:50 pmLHR-SNN
7h 00m1 stop
4:10 pm - 10:45 pmSNN-LHR
6h 35m1 stop
Thu, Dec 26 - Fri, Jan 3
10:35 am - 6:15 amLHR-SNN
19h 40m1 stop
7:45 am - 9:15 amSNN-LHR
1h 30mnonstop
$3,347British Airways
Find Deal
Thu, Dec 26 - Fri, Jan 3
3:20 pm - 4:45 pmLHR-SNN
1h 25mnonstop
5:30 pm - 6:55 pmSNN-LHR
1h 25mnonstop
$108Aer Lingus
Find Deal
Mon, Jan 20 - Mon, Jan 27
2:15 pm - 3:45 pmLHR-SNN
1h 30mnonstop
7:45 am - 9:15 amSNN-LHR
1h 30mnonstop
$127Aer Lingus
Find Deal
Sat, Feb 8 - Mon, Feb 10
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
8:05 pm - 9:25 pmSNN-LHR
1h 20mnonstop
$163Aer Lingus
Find Deal
Sun, Jan 19 - Sun, Jan 26
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
5:30 pm - 6:55 pmSNN-LHR
1h 25mnonstop
$179Aer Lingus
Find Deal
Fri, Mar 14 - Sun, Mar 16
7:10 pm - 8:35 pmLHR-SNN
1h 25mnonstop
9:25 pm - 10:40 pmSNN-LHR
1h 15mnonstop
$261Aer Lingus
Find Deal
Fri, Apr 4 - Sun, Apr 6
7:10 pm - 8:35 pmLHR-SNN
1h 25mnonstop
4:55 pm - 6:20 pmSNN-LHR
1h 25mnonstop
$294British Airways
Find Deal
Fri, Apr 4 - Mon, Apr 7
7:10 pm - 8:35 pmLHR-SNN
1h 25mnonstop
9:25 pm - 10:40 pmSNN-LHR
1h 15mnonstop
$315British Airways
Find Deal
Thu, May 22 - Mon, May 26
6:05 pm - 7:25 pmLHR-SNN
1h 20mnonstop
5:30 pm - 6:55 pmSNN-LHR
1h 25mnonstop
$328British Airways
Find Deal
Fri, Jan 10 - Mon, Jan 13

British Airways flights from London Heathrow Airport to Shannon

Our best British Airways deals on London Heathrow Airport to Shannon flight tickets
British Airways
Dec 31
LHR3:20 pmLondon Heathrow
1h 25m
SNN4:45 pmShannon
Jan 7
SNN5:30 pmShannon
1h 25m
LHR6:55 pmLondon Heathrow
British Airways
Jan 10
LHR6:05 pmLondon Heathrow
1h 20m
SNN7:25 pmShannon
Jan 13
SNN5:30 pmShannon
1h 25m
LHR6:55 pmLondon Heathrow
British Airways
Dec 28
LHR2:15 pmLondon Heathrow
1h 30m
SNN3:45 pmShannon
Dec 31
SNN8:05 pmShannon
1h 20m
LHR9:25 pmLondon Heathrow

United Airlines flights from London Heathrow Airport to Shannon

Our best United Airlines deals on London Heathrow Airport to Shannon flight tickets
United Airlines
Apr 4
LHR6:00 pmLondon Heathrow
16h 30m
1 stop
SNN10:30 amShannon
Apr 7
SNN12:30 pmShannon
18h 15m
1 stop
LHR6:45 amLondon Heathrow
United Airlines
Jun 8
LHR8:30 amLondon Heathrow
23h 00m
1 stop
SNN7:30 amShannon
Jun 18
SNN9:30 amShannon
26h 15m
1 stop
LHR11:45 amLondon Heathrow

See travel insights to Shannon from

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

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 London Heathrow Airport and Shannon?

What is the cheapest month to fly to Shannon?

The cheapest month to fly to Shannon from London Heathrow Airport is in March. Flight prices, which tend to average around $77, are often lower during this time because this is during the off-season. If you don’t want to visit Shannon in March, then you should wait until September to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of $83.

What is the cheapest day to depart on your flight to Shannon?

According to our data, Tuesday is the cheapest day to fly to Shannon from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was $90. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $188. These prices are subject to change though, so be sure to set up a Price Alert for flights to Shannon.

What is the cheapest time of day to depart on your flight to Shannon?

Our most recent data shows that the best time of day to fly to Shannon is in the morning. Flights from London Heathrow Airport to Shannon during this time can be as low as $134. In contrast, the most expensive time of day to depart to Shannon is at noon when prices are around $190.

What is the cheapest London Heathrow to Shannon flight route?

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

How far in advance should I book a flight to Shannon?

You are more likely to see cheaper flights to Shannon from London Heathrow Airport when booking 28 days ahead of your departure date. In general, you can expect to find flights to Shannon for around $174 when searching 28 days out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Shannon from London Heathrow Airport for as low as $111 on momondo.

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

There are 3 cabin classes available to choose from on London Heathrow to Shannon 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 London Heathrow Airport to Shannon flights?

You could potentially save up to 18% on your flight if you consider stops on a London Heathrow Airport to Shannon flight.

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

As of December 2024, prices for London Heathrow Airport to Shannon flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Shannon

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

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

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

Best Price Found

$100

Fastest flight time

1h 20m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Shannon

1 airport
The best one-way flight to Shannon from London Heathrow Airport in the past 72 hours is $100. The best round-trip flight deal from London Heathrow Airport to Shannon found on momondo in the last 72 hours is $315.
The fastest flight from London Heathrow Airport to Shannon takes 1h 20m
Direct flights go from London Heathrow Airport to Shannon on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Aer Lingus and British Airways.
There is 1 airport near Shannon: Shannon (SNN)

  • How far is London Heathrow to Shannon by plane?

    The straight-line distance from London Heathrow to Shannon is 366.5 mi. Typically, this will take 1h 20m by plane in normal conditions.

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

    Prices for flights from London Heathrow Airport to Shannon Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Shannon Airport.

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

    The necessary travel and health documents for your Shannon Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from London Heathrow Airport to Shannon

Compare and see reviews for airlines that fly from London Heathrow Airport to Shannon with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom $127Free CancellationRating
7.1
1,076 reviews
Search Aer Lingus flights
  • Aer Lingus Flights From London Heathrow Airport to Shannon

    Aer Lingus operates around 15 flights from London Heathrow Airport to Shannon every week. The average price of these flights found in the last 72 hours has been $180, but momondo users have found Aer Lingus deals from London Heathrow Airport to Shannon from as low as $127 round-trip. Aer Lingus has been scored 7.1/10 in 1,076 reviews.


Why use momondo?

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

Finding the right flight to Shannon from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Shannon quick and easy, saving you time and money.

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

Flights from London to Shannon 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 London to Shannon?

momondo helps you find the best flight between London and Shannon by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Shannon from London. 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.


An easier way to manage your Shannon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 12/28
Sat 1/4
Email me momondo's favorite deals

Find better results for your trip to Ireland