
Popular airlines from Heathrow Airport (LHR) to Shannon Airport (SNN)
- Aer Lingus
Aer Lingus
- British Airways
British Airways
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Cheap flights from London (LHR) to Shannon (SNN)
Prices were available within the past 7 days and start at CA $91 for one-way flights and CA $182 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Frequently asked questions
Travel information
Travel information
Origin airport | Heathrow |
Destination airport | Shannon |
Airlines serving | Aer Lingus, British Airways |
Roundtrip price | CA $181 |
Distance | 590 km |
Book with confidence
Book with confidence
The easy way to book your flights from London to Shannon
With Expedia, it’s simple to find and book flights to Shannon from London whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are American Airlines, Qatar Airways, Air Canada, Aer Lingus, British Airways nonstop flights to Shannon, too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from London to Shannon today, tomorrow, or this week.
Save dollars with cheap flights from Heathrow, LHR to Shannon, SNN
Sort your search results by price to find great deals on your flight from London to Shannon—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Shannon from London currently is just CA $182 rising to CA $400.
Here are more money-saving tips:
- Fly in May when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Shannon
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Shannon from London
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Shannon with Expedia today.
Explore a world of travel with Expedia
Explore a world of travel with Expedia
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Top Routes to Shannon
- Ottawa to Shannon (YOW - SNN)
- Chicago to Shannon (ORD - SNN)
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- Portland to Shannon (PWM - SNN)
- Amsterdam to Shannon (AMS - SNN)
- Halifax to Shannon (YHZ - SNN)
- Edinburgh to Shannon (EDI - SNN)
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- Montreal to Shannon (YUL - SNN)
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