Cheap Flights From Heathrow (LHR) To Shannon (SNN)

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Cheapest Flights from London (LHR) to Shannon (SNN)

The cheapest flights to Shannon found within the past 7 days were CA $208 round trip and CA $122 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Jul 21 - Thu, Jul 30
LHR
London
SNN
Shannon
CA $208 Roundtrip, found 1 day ago
CA $208
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Tue, Jul 21 from London to Shannon, returning Thu, Jul 30, priced at CA $208 found 1 day ago
Wed, Apr 22 - Mon, Apr 27
LHR
London
SNN
Shannon
CA $209 Roundtrip, found 6 days ago
CA $209
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Wed, Apr 22 from London to Shannon, returning Mon, Apr 27, priced at CA $209 found 6 days ago
Thu, Mar 19 - Mon, Mar 23
LHR
London
SNN
Shannon
CA $218 Roundtrip, found 1 hour ago
CA $218
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Thu, Mar 19 from London to Shannon, returning Mon, Mar 23, priced at CA $218 found 1 hour ago
Tue, Jul 21 - Thu, Jul 30
LHR
London
SNN
Shannon
CA $222 Roundtrip, found 1 day ago
CA $222
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Tue, Jul 21 from London to Shannon, returning Thu, Jul 30, priced at CA $222 found 1 day ago
Thu, Apr 23 - Mon, Apr 27
LHR
London
SNN
Shannon
CA $233 Roundtrip, found 6 days ago
CA $233
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Thu, Apr 23 from London to Shannon, returning Mon, Apr 27, priced at CA $233 found 6 days ago
Thu, May 7 - Mon, May 18
LHR
London
SNN
Shannon
CA $241 Roundtrip, found 4 days ago
CA $241
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Thu, May 7 from London to Shannon, returning Mon, May 18, priced at CA $241 found 4 days ago
Thu, Mar 19 - Mon, Mar 23
LHR
London
SNN
Shannon
CA $244 Roundtrip, found 1 hour ago
CA $244
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Thu, Mar 19 from London to Shannon, returning Mon, Mar 23, priced at CA $244 found 1 hour ago
Thu, Apr 23 - Mon, Apr 27
LHR
London
SNN
Shannon
CA $246 Roundtrip, found 6 days ago
CA $246
Roundtrip
found 6 days ago
Select Aer Lingus flight, departing Thu, Apr 23 from London to Shannon, returning Mon, Apr 27, priced at CA $246 found 6 days ago
Thu, Mar 19 - Mon, Mar 23
LHR
London
SNN
Shannon
CA $253 Roundtrip, found 1 hour ago
CA $253
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Thu, Mar 19 from London to Shannon, returning Mon, Mar 23, priced at CA $253 found 1 hour ago
Wed, Jul 29 - Sun, Aug 2
LHR
London
SNN
Shannon
CA $265 Roundtrip, found 1 day ago
CA $265
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Jul 29 from London to Shannon, returning Sun, Aug 2, priced at CA $265 found 1 day ago

Frequently asked questions

Are there direct flights from Heathrow Airport (LHR) to Shannon Airport?
Be a wise wanderer and book a direct flight from London Heathrow to Shannon Airport with Aer Lingus. This airline is the smart choice if you'd rather reach Shannon as quickly as possible.
What airlines fly from Heathrow Airport to Shannon Airport (SNN)?
If you're searching for an airline that flies directly from LHR to SNN and is highly rated by other travelers, look no further than Aer Lingus. They offer as many as 30 services on this route every month.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.