Find flights
When to book
FAQs

Cheap flights from London, ON to Shannon from C$ 1,188

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SNN
12 Apr — 19 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Shannon

Enter your travel dates to find the best prices.

Cheapest flights from London to Shannon
Explore the most affordable flight options available from London to Shannon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 March 2026.

Sat 2/59:30 a.m.
YXU
-
SNN
2 stops19h 45m
Air Canada
Wed 6/512:30 p.m.
SNN
-
YXU
2 stops25h 23m
Air Canada
Deal found 8/3C$ 1,188
Mon 27/45:40 p.m.
YXU
-
SNN
2 stops35h 35m
Air Canada
Mon 4/512:30 p.m.
SNN
-
YXU
2 stops25h 23m
Air Canada
Deal found 13/3C$ 1,301
Fri 24/45:40 p.m.
YXU
-
SNN
2 stops11h 35m
United Airlines
Fri 1/512:30 p.m.
SNN
-
YXU
2 stops14h 08m
United Airlines
Deal found 10/3C$ 1,940

Find flight deals from London to Shannon

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Shannon (SNN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 March 2026.

Round-trip from

C$ 1,188
Air Canada
  • Air Canada
  • 2/5-6/5
  • 4 total stops
  • 45h 08m total
  • London to Shannon
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Shannon 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, Cheapflights users made 629,999 searches. Data last updated 13 March 2026.
Use the filters below to find and compare flights from London to Shannon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonShannon

YXU - SNN

YXUSNN

London

Sat 2/5

9:30 a.m.-10:15 a.m.

2 stops19h 45m

Shannon

Wed 6/5

12:30 p.m.-8:53 a.m.

2 stops25h 23m

C$ 1,188

LondonShannon

YXU - SNN

YXUSNN

London

Mon 27/4

5:40 p.m.-10:15 a.m.

2 stops35h 35m

Shannon

Mon 4/5

12:30 p.m.-8:53 a.m.

2 stops25h 23m

C$ 1,301
Quickest round-trip

LondonShannon

YXU - SNN

YXUSNN

London

Fri 24/4

5:40 p.m.-10:15 a.m.

2 stops11h 35m

Shannon

Fri 1/5

12:30 p.m.-9:38 p.m.

2 stops14h 08m

C$ 1,940

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Sorted by cheapest first

Best time to book a flight from London to Shannon

Have a flexible travel schedule? Discover the best time to fly to Shannon from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from London to Shannon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London, Ontario to Shannon, Clare?

    Airlines like Air Canada fly from London, Ontario to Shannon, Clare in about 19h 45m. The time it takes to get you to your destination can typically vary by up to . The distance from London, Ontario to Shannon, Clare is about 5258 km.

  • Can I find deals for flights from London to Shannon that include hotel bookings?

    Yes. In addition to deals on London to Shannon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Shannon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Shannon.

  • Can I find deals for business class flights from London to Shannon?

    Yes. Cheapflights offers flight deals from London to Shannon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Shannon?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Shannon. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Shannon?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Shannon for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Shannon with no change fees?

Yes! Cheapflights helps users easily find flights from London to Shannon with no change fees.

Can Cheapflights notify me if prices for flights from London to Shannon become cheaper?

Of course! You can now track prices for flights from London to Shannon and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.