CA $140 Cheap Flights from Shannon (SNN) to London (LHR)

Featured airlines

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap flights from Shannon (SNN) to London (LHR)

Prices were available within the past 7 days and start at CA $140 for one-way flights and CA $316 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
Aer Lingus
British Airways
Aer Lingus
Aer Lingus
British Airways
British Airways
Flight from Shannon to London (SNN - LHR) route information
Origin airport
Shannon
Destination airport
Heathrow
Roundtrip price
CA $315
Distance
590 km

Shannon to London Flights

The easy way to book your flights from Shannon to London 

With Expedia, it’s simple to find and book flights to London from Shannon 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 Heathrow, 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 Shannon to London today, tomorrow, or this week.  

 

Save dollars with cheap flights from Shannon, SNN to Heathrow, LHR 

Sort your search results by price to find great deals on your flight from Shannon to London—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to London from Shannon currently is just CA $316 rising to CA $363.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to London  
  • 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 London from Shannon 

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 London with Expedia today.

Frequently asked questions

How much is a flight from Shannon Airport (SNN) to LHR?
Round-trip flights between SNN and London Heathrow start from CA $316. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SNN to LHR?
When it comes to cancellation fees, every airline has a different set of terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from SNN to Heathrow Airport (LHR) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Shannon Airport to London Heathrow flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Shannon Airport to Heathrow Airport (LHR)?
A flight distance of just 590 kilometers separates Shannon and Hounslow. Once you’re up in the air, you won’t get a chance to do much more than listen to some short podcasts.
Which airlines fly direct from Shannon Airport (SNN) to London Heathrow?
Aer Lingus (EI) will take you from Shannon Airport (SNN) to Heathrow Airport safely and comfortably. You can choose from 82 direct flights each month along this route.
Are SNN to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest airfares from Shannon Airport to Heathrow Airport showing up a few weeks prior to the departure date. If you’d rather plan ahead of time, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines quote prices so far in advance.
*Available to Expedia members.