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Cheap flights from London, Ontario to Ireland from €337

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 8/3. 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.
Air Canada Logo
17:40 - 07:10
YXU
-
DUB
8h 30m
1 stop
Air Canada Logo
08:00 - 21:21
DUB
-
YXU
17h 21m
1 stop
€454Air Canada
Thu, 5 Mar - Mon, 9 Mar
Air Canada Logo
17:40 - 10:20
YXU
-
DUB
11h 40m
2 stops
Air Canada Logo
08:00 - 21:21
DUB
-
YXU
17h 21m
1 stop
€478Air Canada
Thu, 5 Mar - Mon, 9 Mar
Air Canada Logo
17:40 - 10:20
YXU
-
DUB
11h 40m
2 stops
Air Canada Logo
08:00 - 08:46
DUB
-
YXU
28h 46m
1 stop
€479Air Canada
Thu, 5 Mar - Mon, 9 Mar
United Airlines Logo
05:10 - 08:10
YXU
-
DUB
22h 00m
2 stops
United Airlines Logo
09:30 - 21:21
DUB
-
YXU
15h 51m
2 stops
€509United Airlines
Thu, 5 Mar - Mon, 9 Mar
United Airlines Logo
09:25 - 08:10
YXU
-
DUB
17h 45m
2 stops
United Airlines Logo
13:35 - 08:46
DUB
-
YXU
23h 11m
2 stops
€510United Airlines
Thu, 5 Mar - Mon, 9 Mar
Multiple Airlines Logo
17:40 - 06:10
YXU
-
DUB
8h 30m
1 stop
Multiple Airlines Logo
18:35 - 21:21
DUB
-
YXU
30h 46m
2 stops
€534Multiple Airlines
Sun, 8 Mar - Sun, 15 Mar
SWISS Logo
17:40 - 17:45
YXU
-
DUB
20h 05m
2 stops
SWISS Logo
18:35 - 21:21
DUB
-
YXU
30h 46m
2 stops
€561SWISS
Sun, 8 Mar - Sun, 15 Mar
Air Canada Logo
05:10 - 06:10
YXU
-
DUB
21h 00m
1 stop
Air Canada Logo
08:00 - 17:05
DUB
-
YXU
13h 05m
1 stop
€604Air Canada
Sun, 8 Mar - Sun, 15 Mar
Air Canada Logo
15:30 - 08:15
YXU
-
DUB
11h 45m
1 stop
Air Canada Logo
09:20 - 15:00
DUB
-
YXU
10h 40m
1 stop
€631Air Canada
Tue, 14 Jul - Tue, 21 Jul
Air Canada Logo
06:00 - 08:15
YXU
-
DUB
21h 15m
1 stop
Air Canada Logo
09:20 - 21:40
DUB
-
YXU
17h 20m
1 stop
€632Air Canada
Mon, 13 Jul - Mon, 20 Jul

Air Canada flights from London, Ontario to Ireland

Our best Air Canada deals on London, Ontario to Ireland flight tickets
Air Canada
5 Mar
YXU17:40London
8h 30m
1 stop
DUB07:10Dublin
9 Mar
DUB08:00Dublin
28h 46m
1 stop
YXU08:46London
€454
Air Canada
5 Mar
YXU17:40London
11h 40m
2 stops
DUB10:20Dublin
9 Mar
DUB08:00Dublin
17h 21m
1 stop
YXU21:21London
€478
Air Canada
5 Mar
YXU17:40London
11h 40m
2 stops
DUB10:20Dublin
9 Mar
DUB08:00Dublin
28h 46m
1 stop
YXU08:46London
€479

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
5 Mar
YXU05:10London
22h 00m
2 stops
DUB08:10Dublin
9 Mar
DUB09:30Dublin
15h 51m
2 stops
YXU21:21London
€509
United Airlines
5 Mar
YXU09:25London
17h 45m
2 stops
DUB08:10Dublin
9 Mar
DUB13:35Dublin
23h 11m
2 stops
YXU08:46London
€510
United Airlines
18 Jul
YXU09:30London
20h 10m
2 stops
DUB10:40Dublin
26 Jul
DUB08:50Dublin
35h 10m
2 stops
YXU15:00London
€910

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 23 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

Thu 5/3

17:40-07:10

1 stop8h 30m

Dublin

Mon 9/3

08:00-21:21

1 stop17h 21m

€454

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

17:40-10:20

2 stops11h 40m

Dublin

Mon 9/3

08:00-21:21

1 stop17h 21m

€478

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

17:40-10:20

2 stops11h 40m

Dublin

Mon 9/3

08:00-08:46

1 stop28h 46m

€479

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

05:10-08:10

2 stops22h 00m

Dublin

Mon 9/3

09:30-21:21

2 stops15h 51m

€509

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

09:25-08:10

2 stops17h 45m

Dublin

Mon 9/3

13:35-08:46

2 stops23h 11m

€510

LondonDublin

YXU - DUB

YXUDUB

London

Sun 8/3

17:40-06:10

1 stop8h 30m

Dublin

Sun 15/3

18:35-21:21

2 stops30h 46m

€534

LondonDublin

YXU - DUB

YXUDUB

London

Sun 8/3

17:40-17:45

2 stops20h 05m

Dublin

Sun 15/3

18:35-21:21

2 stops30h 46m

€561

LondonDublin

YXU - DUB

YXUDUB

London

Sun 8/3

05:10-06:10

1 stop21h 00m

Dublin

Sun 15/3

08:00-17:05

1 stop13h 05m

€604

LondonDublin

YXU - DUB

YXUDUB

London

Tue 14/7

15:30-08:15

1 stop11h 45m

Dublin

Tue 21/7

09:20-15:00

1 stop10h 40m

€631

LondonDublin

YXU - DUB

YXUDUB

London

Mon 13/7

06:00-08:15

1 stop21h 15m

Dublin

Mon 20/7

09:20-21:40

1 stop17h 20m

€632

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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?

WestJet, Air Canada, and United Airlines are the most popular carriers 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

17h 45m

Direct flights

None
The fastest flight from London, Ontario to Ireland takes 17h 45m
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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