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Cheap flights from London, Ontario to Ireland from €301

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Ireland departing on 22/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London, Ontario to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:10 - 08:15
YXU
-
DUB
9h 05m1 stop
Multiple Airlines Logo
09:50 - 21:38
DUB
-
YXU
16h 48m1 stop
€454Multiple Airlines
Mon, 11 May - Mon, 25 May
Multiple Airlines Logo
18:10 - 08:15
YXU
-
DUB
9h 05m1 stop
Multiple Airlines Logo
09:20 - 21:38
DUB
-
YXU
17h 18m2 stops
€458Multiple Airlines
Mon, 11 May - Mon, 25 May
Multiple Airlines Logo
18:10 - 12:10
YXU
-
DUB
13h 00m2 stops
Multiple Airlines Logo
09:20 - 21:38
DUB
-
YXU
17h 18m2 stops
€479Multiple Airlines
Mon, 11 May - Mon, 25 May
Lufthansa Logo
12:20 - 16:55
YXU
-
DUB
23h 35m2 stops
Lufthansa Logo
10:40 - 21:38
DUB
-
YXU
15h 58m2 stops
€536Lufthansa
Fri, 15 May - Fri, 29 May
Multiple Airlines Logo
18:10 - 08:15
YXU
-
DUB
9h 05m1 stop
Multiple Airlines Logo
10:40 - 21:38
DUB
-
YXU
15h 58m2 stops
€562Multiple Airlines
Fri, 15 May - Fri, 29 May
Multiple Airlines Logo
18:10 - 08:15
YXU
-
DUB
9h 05m1 stop
Multiple Airlines Logo
09:20 - 17:33
DUB
-
YXU
13h 13m1 stop
€605Multiple Airlines
Fri, 15 May - Fri, 29 May
Multiple Airlines Logo
20:00 - 11:30
YXU
-
DUB
34h 30m2 stops
Multiple Airlines Logo
13:15 - 13:45
DUB
-
YXU
29h 30m3 stops
€790Multiple Airlines
Mon, 11 May - Mon, 25 May
Multiple Airlines Logo
06:00 - 22:00
YXU
-
DUB
35h 00m3 stops
Multiple Airlines Logo
21:30 - 05:12
DUB
-
YXU
36h 42m3 stops
€813Multiple Airlines
Mon, 11 May - Mon, 25 May
Multiple Airlines Logo
12:20 - 08:20
YXU
-
DUB
15h 00m3 stops
Multiple Airlines Logo
13:15 - 05:12
DUB
-
YXU
20h 57m2 stops
€937Multiple Airlines
Fri, 15 May - Fri, 29 May
Multiple Airlines Logo
12:20 - 08:20
YXU
-
DUB
15h 00m3 stops
Multiple Airlines Logo
13:15 - 19:07
DUB
-
YXU
34h 52m3 stops
€1,010Multiple Airlines
Fri, 15 May - Fri, 29 May

Air Canada flights from London, Ontario to Ireland

Our best Air Canada deals on London, Ontario to Ireland flight tickets
Air Canada
16 Jan
YXU05:10London
21h 00m
1 stop
DUB07:10Dublin
18 Jan
DUB09:00Dublin
28h 46m
1 stop
YXU08:46London
€759
Air Canada
16 Jan
YXU05:10London
21h 00m
1 stop
DUB07:10Dublin
18 Jan
DUB09:00Dublin
13h 05m
1 stop
YXU17:05London
€762
Air Canada
16 Jan
YXU05:10London
21h 00m
1 stop
DUB07:10Dublin
18 Jan
DUB09:30Dublin
36h 35m
2 stops
YXU17:05London
€794

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
16 Jan
YXU17:40London
33h 30m
2 stops
DUB08:10Dublin
18 Jan
DUB10:40Dublin
27h 06m
2 stops
YXU08:46London
€814
United Airlines
16 Jan
YXU17:40London
33h 30m
2 stops
DUB08:10Dublin
18 Jan
DUB10:40Dublin
27h 06m
2 stops
YXU08:46London
€817

momondo Fare Finder

 
Customise your flight search to find flights from London, Ontario 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, momondo users made 13,528 searches. Data last updated 8 January 2026.
Use the filters below to find and compare flights from London, Ontario to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

YXU - DUB

YXUDUB

London

Mon 11/5

18:10-08:15

1 stop9h 05m

Dublin

Mon 25/5

09:50-21:38

1 stop16h 48m

€454

LondonDublin

YXU - DUB

YXUDUB

London

Mon 11/5

18:10-08:15

1 stop9h 05m

Dublin

Mon 25/5

09:20-21:38

2 stops17h 18m

€458

LondonDublin

YXU - DUB

YXUDUB

London

Mon 11/5

18:10-12:10

2 stops13h 00m

Dublin

Mon 25/5

09:20-21:38

2 stops17h 18m

€479

LondonDublin

YXU - DUB

YXUDUB

London

Fri 15/5

12:20-16:55

2 stops23h 35m

Dublin

Fri 29/5

10:40-21:38

2 stops15h 58m

€536

LondonDublin

YXU - DUB

YXUDUB

London

Fri 15/5

18:10-08:15

1 stop9h 05m

Dublin

Fri 29/5

10:40-21:38

2 stops15h 58m

€562

LondonDublin

YXU - DUB

YXUDUB

London

Fri 15/5

18:10-08:15

1 stop9h 05m

Dublin

Fri 29/5

09:20-17:33

1 stop13h 13m

€605

LondonDublin

YXU - DUB

YXUDUB

London

Mon 11/5

20:00-11:30

2 stops34h 30m

Dublin

Mon 25/5

13:15-13:45

3 stops29h 30m

€790

LondonDublin

YXU - DUB

YXUDUB

London

Mon 11/5

06:00-22:00

3 stops35h 00m

Dublin

Mon 25/5

21:30-05:12

3 stops36h 42m

€813

LondonDublin

YXU - DUB

YXUDUB

London

Fri 15/5

12:20-08:20

3 stops15h 00m

Dublin

Fri 29/5

13:15-05:12

2 stops20h 57m

€937

LondonDublin

YXU - DUB

YXUDUB

London

Fri 15/5

12:20-08:20

3 stops15h 00m

Dublin

Fri 29/5

13:15-19:07

3 stops34h 52m

€1,010

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
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See travel insights to Ireland from

How to get the cheapest flight ticket from London, Ontario to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from London to Ireland?

United Airlines is the most popular carrier operating from London to Ireland

Cheap London, Ontario to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Ireland

Fastest flight time

8h 30m

Direct flights

None
The fastest flight from London, Ontario to Ireland takes 8h 30m
There are no direct flights from London, Ontario to Ireland. There are no popular flight routes from London, Ontario to Ireland.
Search flight deals

  • When did momondo last update prices for flights from London Airport to Ireland?

    Prices for flights from London Airport to Ireland are updated daily.

  • How old do you have to be to fly from London Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Ireland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ireland . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Ireland with flexible booking policies on momondo?

Yes. All flights to Ireland from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Ireland?

Once you have performed a search for London to Ireland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Ireland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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