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Cheap flights from London, ON to Ireland from C$ 510

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DUB
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Ireland

Enter your travel dates to find the best prices.

Cheapest flights from London to Ireland
Explore the most affordable flight options available from London to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Wed 7/105:40 a.m.
YXU
-
DUB
1 stop21h 35m
Multiple Airlines
Thu 15/109:50 a.m.
DUB
-
YXU
1 stop16h 50m
Multiple Airlines
Deal found 3/5C$ 838
Thu 8/105:40 a.m.
YXU
-
DUB
1 stop21h 35m
Multiple Airlines
Fri 16/109:20 a.m.
DUB
-
YXU
1 stop17h 20m
Multiple Airlines
Deal found 5/5C$ 840
Sun 6/93:30 p.m.
YXU
-
DUB
1 stop11h 45m
Air Canada
Thu 10/99:50 a.m.
DUB
-
YXU
1 stop16h 50m
Air Canada
Deal found 5/5C$ 855
Sat 1/85:40 a.m.
YXU
-
DUB
1 stop21h 35m
Multiple Airlines
Sat 8/89:20 a.m.
DUB
-
YXU
1 stop13h 25m
Multiple Airlines
Deal found 2/5C$ 908
Tue 21/76:20 p.m.
YXU
-
DUB
2 stops32h 25m
Multiple Airlines
Wed 29/79:20 a.m.
DUB
-
YXU
1 stop17h 20m
Multiple Airlines
Deal found 2/5C$ 921
Sun 6/910:05 a.m.
YXU
-
DUB
2 stops16h 25m
United Airlines
Thu 10/912:30 p.m.
DUB
-
YXU
2 stops14h 10m
United Airlines
Deal found 5/5C$ 942
Fri 5/65:10 a.m.
YXU
-
SNN
2 stops21h 20m
Air Canada
Tue 9/69:30 a.m.
SNN
-
YXU
2 stops28h 48m
Air Canada
Deal found 3/5C$ 1,349
Tue 30/66:10 p.m.
YXU
-
SNN
2 stops56h 20m
United Airlines
Mon 6/712:30 p.m.
SNN
-
YXU
2 stops14h 10m
United Airlines
Deal found 3/5C$ 1,444
Fri 3/710:05 a.m.
YXU
-
SNN
2 stops19h 10m
United Airlines
Wed 8/712:30 p.m.
SNN
-
YXU
2 stops14h 10m
United Airlines
Deal found 3/5C$ 1,499
Sun 28/610:05 a.m.
YXU
-
SNN
2 stops16h 25m
Air Canada
Thu 2/712:30 p.m.
SNN
-
YXU
2 stops25h 50m
Air Canada
Deal found 3/5C$ 1,598
Sat 27/66:10 p.m.
YXU
-
SNN
2 stops56h 20m
United Airlines
Sat 4/79:30 a.m.
SNN
-
YXU
2 stops17h 10m
United Airlines
Deal found 3/5C$ 1,599
Thu 25/610:05 a.m.
YXU
-
SNN
2 stops16h 25m
United Airlines
Sat 4/79:30 a.m.
SNN
-
YXU
2 stops17h 10m
United Airlines
Deal found 3/5C$ 1,624

Find flight deals from London to Ireland

Keep the following information in mind while searching for London to Ireland flight deals. Data was last updated 7 May 2026.

Round-trip from

C$ 838

One-way from

C$ 510
Lufthansa
  • Lufthansa
  • 7/10-15/10
  • 2 total stops
  • 38h 25m total
  • London to Ireland
Search Deals
2/6
  • 2/6
  • 3 total stops
  • 44h 40m total
  • London to Ireland
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Ireland 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 7 May 2026.
Use the filters below to find and compare flights from London to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonDublin

YXU - DUB

YXUDUB

London

Wed 7/10

5:40 a.m.-8:15 a.m.

1 stop21h 35m

Dublin

Thu 15/10

9:50 a.m.-9:40 p.m.

1 stop16h 50m

C$ 838

LondonDublin

YXU - DUB

YXUDUB

London

Thu 8/10

5:40 a.m.-8:15 a.m.

1 stop21h 35m

Dublin

Fri 16/10

9:20 a.m.-9:40 p.m.

1 stop17h 20m

C$ 840

LondonDublin

YXU - DUB

YXUDUB

London

Sun 6/9

10:05 a.m.-11:10 a.m.

2 stops20h 05m

Dublin

Thu 10/9

9:50 a.m.-9:40 p.m.

1 stop16h 50m

C$ 894

LondonDublin

YXU - DUB

YXUDUB

London

Sat 1/8

5:40 a.m.-8:15 a.m.

1 stop21h 35m

Dublin

Sat 8/8

9:20 a.m.-5:45 p.m.

1 stop13h 25m

C$ 908

LondonDublin

YXU - DUB

YXUDUB

London

Sun 6/9

10:05 a.m.-11:10 a.m.

2 stops20h 05m

Dublin

Thu 10/9

12:30 p.m.-9:40 p.m.

2 stops14h 10m

C$ 942

LondonDublin

YXU - DUB

YXUDUB

London

Thu 8/10

5:40 a.m.-9:45 a.m.

2 stops23h 05m

Dublin

Fri 16/10

11:35 a.m.-9:40 p.m.

2 stops15h 05m

C$ 943

LondonShannon

YXU - SNN

YXUSNN

London

Fri 5/6

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

2 stops21h 20m

Shannon

Tue 9/6

9:30 a.m.-9:18 a.m.

2 stops28h 48m

C$ 1,349

LondonShannon

YXU - SNN

YXUSNN

London

Tue 30/6

6:10 p.m.-7:30 a.m.

2 stops56h 20m

Shannon

Thu 9/7

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

2 stops25h 50m

C$ 1,444

LondonShannon

YXU - SNN

YXUSNN

London

Tue 30/6

6:10 p.m.-7:30 a.m.

2 stops56h 20m

Shannon

Mon 6/7

12:30 p.m.-9:40 p.m.

2 stops14h 10m

C$ 1,444

LondonShannon

YXU - SNN

YXUSNN

London

Fri 3/7

10:05 a.m.-10:15 a.m.

2 stops19h 10m

Shannon

Wed 8/7

12:30 p.m.-9:40 p.m.

2 stops14h 10m

C$ 1,499

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Best time to book a flight from London to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland 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.

Cheapflights Insights

Everything you need to know about your flight from London to Ireland
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated 7 May 2026.
Get a feel of what it's like to fly with Air Canada from London to Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,004 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Food

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good
Air Canada
7.1
Good
11,004 reviews
Air Canada
7.1
Good
11,004 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Food

6.3

Overall

7.1

Crew

7.8

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good

Related info for your journey

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

  • What airport do you fly from for flights from London to Ireland?

    Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to Ireland from London.

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

    Departing from London, Ontario to Ireland will take you 20h 05m. Airlines will cover a distance of 5399 km. This flight may include one or multiple stops.

  • What are the most popular routes from London, Ontario to Ireland?

    Most travellers choose London - Dublin, London - Shannon or London - Cork when deciding on the best route from London, Ontario to Ireland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Ireland 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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Alternative routes for London to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Ireland

Discover the top airline that operate flights from London to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 787AverageC$ 909FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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 Ireland?

Deals for London to Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Ireland, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ireland from London today and book when prices fit your budget.

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