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Cheap flights from London, Ontario to Ireland from €315

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 2/6. 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
18:10 - 08:15
YXU
-
DUB
9h 05m
1 stop
Air Canada Logo
09:20 - 21:38
DUB
-
YXU
17h 18m
1 stop
€518Air Canada
Sat, 2 May - Fri, 15 May
Air Canada Logo
12:20 - 08:15
YXU
-
DUB
14h 55m
1 stop
Air Canada Logo
09:20 - 21:38
DUB
-
YXU
17h 18m
1 stop
€529Air Canada
Sat, 2 May - Fri, 15 May
Air Canada Logo
12:20 - 08:15
YXU
-
DUB
14h 55m
1 stop
Air Canada Logo
09:20 - 14:55
DUB
-
YXU
10h 35m
1 stop
€531Air Canada
Mon, 7 Sep - Fri, 11 Sep
Air Canada Logo
15:30 - 08:15
YXU
-
DUB
11h 45m
1 stop
Air Canada Logo
09:20 - 17:45
DUB
-
YXU
13h 25m
1 stop
€532Air Canada
Mon, 7 Sep - Fri, 11 Sep
Air Canada Logo
09:30 - 07:45
YXU
-
DUB
17h 15m
2 stops
Air Canada Logo
09:20 - 08:55
DUB
-
YXU
28h 35m
1 stop
€535Air Canada
Mon, 7 Sep - Fri, 11 Sep
Air Canada Logo
05:10 - 08:15
YXU
-
DUB
22h 05m
1 stop
Air Canada Logo
09:20 - 21:38
DUB
-
YXU
17h 18m
1 stop
€536Air Canada
Sun, 31 May - Thu, 4 Jun
Air Canada Logo
18:10 - 08:15
YXU
-
DUB
9h 05m
1 stop
Air Canada Logo
09:20 - 14:58
DUB
-
YXU
10h 38m
1 stop
€538Air Canada
Sun, 31 May - Thu, 4 Jun
Air Canada Logo
18:10 - 08:15
YXU
-
DUB
9h 05m
1 stop
Air Canada Logo
09:50 - 21:38
DUB
-
YXU
16h 48m
2 stops
€539Air Canada
Sun, 31 May - Thu, 4 Jun
Air Canada Logo
05:10 - 07:45
YXU
-
DUB
21h 35m
2 stops
Air Canada Logo
09:20 - 17:33
DUB
-
YXU
13h 13m
1 stop
€541Air Canada
Sun, 31 May - Thu, 4 Jun
Air Canada Logo
09:30 - 07:20
YXU
-
DUB
16h 50m
2 stops
Air Canada Logo
09:20 - 17:33
DUB
-
YXU
13h 13m
1 stop
€561Air Canada
Sat, 2 May - Fri, 15 May

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
2 May
YXU05:10London
21h 10m
2 stops
DUB07:20Dublin
15 May
DUB11:35Dublin
15h 03m
2 stops
YXU21:38London
€585
United Airlines
31 May
YXU05:10London
25h 00m
2 stops
DUB11:10Dublin
4 Jun
DUB11:35Dublin
29h 08m
2 stops
YXU11:43London
€591
United Airlines
31 May
YXU12:20London
14h 10m
2 stops
DUB07:30Dublin
4 Jun
DUB12:30Dublin
31h 28m
2 stops
YXU14:58London
€593

Air Canada flights from London, Ontario to Ireland

Our best Air Canada deals on London, Ontario to Ireland flight tickets
Air Canada
2 May
YXU18:10London
9h 05m
1 stop
DUB08:15Dublin
15 May
DUB09:20Dublin
17h 18m
1 stop
YXU21:38London
€518
Air Canada
2 May
YXU12:20London
14h 55m
1 stop
DUB08:15Dublin
15 May
DUB09:20Dublin
17h 18m
1 stop
YXU21:38London
€529
Air Canada
7 Sept
YXU12:20London
14h 55m
1 stop
DUB08:15Dublin
11 Sept
DUB09:20Dublin
10h 35m
1 stop
YXU14:55London
€531

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 19 April 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

Cheapest return flight

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

18:10-08:15

1 stop9h 05m

Dublin

Fri 15/5

09:20-21:38

1 stop17h 18m

€518

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

12:20-08:15

1 stop14h 55m

Dublin

Fri 15/5

09:20-21:38

1 stop17h 18m

€529

LondonDublin

YXU - DUB

YXUDUB

London

Mon 7/9

12:20-08:15

1 stop14h 55m

Dublin

Fri 11/9

09:20-14:55

1 stop10h 35m

€531

LondonDublin

YXU - DUB

YXUDUB

London

Mon 7/9

15:30-08:15

1 stop11h 45m

Dublin

Fri 11/9

09:20-17:45

1 stop13h 25m

€532

LondonDublin

YXU - DUB

YXUDUB

London

Mon 7/9

09:30-07:45

2 stops17h 15m

Dublin

Fri 11/9

09:20-08:55

1 stop28h 35m

€535

LondonDublin

YXU - DUB

YXUDUB

London

Sun 31/5

05:10-08:15

1 stop22h 05m

Dublin

Thu 4/6

09:20-21:38

1 stop17h 18m

€536
Fastest return journey

LondonDublin

YXU - DUB

YXUDUB

London

Sun 31/5

18:10-08:15

1 stop9h 05m

Dublin

Thu 4/6

09:20-14:58

1 stop10h 38m

€538

LondonDublin

YXU - DUB

YXUDUB

London

Sun 31/5

18:10-08:15

1 stop9h 05m

Dublin

Thu 4/6

09:50-21:38

2 stops16h 48m

€539

LondonDublin

YXU - DUB

YXUDUB

London

Sun 31/5

05:10-07:45

2 stops21h 35m

Dublin

Thu 4/6

09:20-17:33

1 stop13h 13m

€541

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

09:30-07:20

2 stops16h 50m

Dublin

Fri 15/5

09:20-17:33

1 stop13h 13m

€561

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 55m

Direct flights

None
The fastest flight from London, Ontario to Ireland takes 8h 55m
There are no direct flights from London, Ontario to Ireland. There are no popular flight routes from London, Ontario to Ireland.
Search flight deals

Frequently asked questions about flying from London, Ontario to Ireland

  • 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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