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Cheap flights from London, ON to Shannon from C$ 1,341

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SNN
23 May — 30 May1
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 23 April 2026.

Sun 31/55:10 a.m.
YXU
-
SNN
2 stops21h 20m
United Airlines
Thu 4/69:30 a.m.
SNN
-
YXU
2 stops31h 13m
United Airlines
Deal found 19/4C$ 1,341
Sun 31/55:10 a.m.
YXU
-
SNN
2 stops21h 20m
Air Canada
Thu 4/612:30 p.m.
SNN
-
YXU
2 stops31h 28m
Air Canada
Deal found 22/4C$ 1,344

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 23 April 2026.

Round-trip from

C$ 1,341
United Airlines
  • United Airlines
  • 31/5-4/6
  • 4 total stops
  • 52h 33m total
  • London to Shannon
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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 23 April 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
Quickest round-trip

LondonShannon

YXU - SNN

YXUSNN

London

Sun 31/5

5:10 a.m.-7:30 a.m.

2 stops21h 20m

Shannon

Thu 4/6

9:30 a.m.-11:43 a.m.

2 stops31h 13m

C$ 1,341

LondonShannon

YXU - SNN

YXUSNN

London

Sun 31/5

5:10 a.m.-7:30 a.m.

2 stops21h 20m

Shannon

Thu 4/6

12:30 p.m.-2:58 p.m.

2 stops31h 28m

C$ 1,344

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/4

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 United Airlines and Air Canada fly from London, Ontario to Shannon, Clare in about 21h 20m. 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

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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.

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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.

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