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Cheap flights from London, ON to Shannon from C$ 739

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — SNN
11 Jul — 18 Jul1
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 11 June 2026.

Sun 20/910:05 a.m.
YXU
-
SNN
2 stops16h 25m
Air Canada
Thu 24/912:30 p.m.
SNN
-
YXU
2 stops25h 50m
Air Canada
Deal found 8/6C$ 1,397
Sun 26/76:20 p.m.
YXU
-
SNN
2 stops32h 10m
United Airlines
Sun 2/812:30 p.m.
SNN
-
YXU
2 stops31h 22m
United Airlines
Deal found 11/6C$ 1,643
Sun 26/72:40 p.m.
YXU
-
SNN
3 stops24h 55m
Multiple Airlines
Sun 2/87:30 a.m.
SNN
-
YXU
2 stops15h 12m
Multiple Airlines
Deal found 11/6C$ 2,523

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 11 June 2026.

Round-trip from

C$ 1,397

One-way from

C$ 739
Air Canada
  • Air Canada
  • 20/9-24/9
  • 4 total stops
  • 42h 15m total
  • London to Shannon
Search Deals
Air Canada
  • Air Canada
  • 25/7
  • 2 total stops
  • 29h 20m 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 11 June 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 20/9

10:05 a.m.-7:30 a.m.

2 stops16h 25m

Shannon

Thu 24/9

12:30 p.m.-9:20 a.m.

2 stops25h 50m

C$ 1,397

LondonShannon

YXU - SNN

YXUSNN

London

Sun 26/7

6:20 p.m.-7:30 a.m.

2 stops32h 10m

Shannon

Sun 2/8

12:30 p.m.-2:52 p.m.

2 stops31h 22m

C$ 1,643

LondonShannon

YXU - SNN

YXUSNN

London

Sun 26/7

2:40 p.m.-8:35 p.m.

3 stops24h 55m

Shannon

Sun 2/8

1:45 p.m.-9:17 a.m.

3 stops24h 32m

C$ 3,789
Cheapest one-way

LondonShannon

YXU - SNN

YXUSNN

London

Sat 25/7

9:10 p.m.-7:30 a.m.

2 stops29h 20m

C$ 739
Quickest one-way

LondonShannon

YXU - SNN

YXUSNN

London

Sun 26/7

10:05 a.m.-7:30 a.m.

2 stops16h 25m

C$ 739

LondonShannon

YXU - SNN

YXUSNN

London

Sat 25/7

6:10 a.m.-7:45 a.m.

3 stops44h 35m

C$ 767

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

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 and United Airlines fly from London, Ontario to Shannon, Clare in about 16h 25m. The time it takes to get you to your destination can typically vary by up to 15h 45m. The distance from London, Ontario to Shannon, Clare is about 5258 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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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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.

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