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Cheap flights from London, Ontario to Ireland from €374

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 10/9. 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
1 adult, Economy, 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
05:40 - 08:15
YXU
-
DUB
21h 35m
1 stop
Air Canada Logo
09:20 - 14:50
DUB
-
YXU
10h 30m
1 stop
€472Air Canada
Sat, 26 Sep - Wed, 30 Sep
Air Canada Logo
18:20 - 08:15
YXU
-
DUB
8h 55m
1 stop
Air Canada Logo
09:20 - 14:50
DUB
-
YXU
10h 30m
1 stop
€485Air Canada
Tue, 11 Aug - Mon, 17 Aug
Air Canada Logo
10:05 - 09:45
YXU
-
DUB
18h 40m
2 stops
Air Canada Logo
09:20 - 17:43
DUB
-
YXU
13h 23m
1 stop
€497Air Canada
Sat, 26 Sep - Wed, 30 Sep
Air Canada Logo
18:20 - 08:15
YXU
-
DUB
8h 55m
1 stop
Air Canada Logo
09:50 - 17:42
DUB
-
YXU
12h 52m
2 stops
€504Air Canada
Tue, 11 Aug - Mon, 17 Aug
Air Canada Logo
18:20 - 08:15
YXU
-
DUB
8h 55m
1 stop
Air Canada Logo
09:20 - 21:40
DUB
-
YXU
17h 20m
1 stop
€505Air Canada
Tue, 4 Aug - Thu, 27 Aug
Air Canada Logo
18:20 - 08:15
YXU
-
DUB
8h 55m
1 stop
Air Canada Logo
09:50 - 21:40
DUB
-
YXU
16h 50m
2 stops
€507Air Canada
Tue, 4 Aug - Thu, 27 Aug
Multiple Airlines Logo
10:05 - 12:10
YXU
-
DUB
21h 05m
2 stops
Multiple Airlines Logo
09:50 - 21:40
DUB
-
YXU
16h 50m
2 stops
€524Multiple Airlines
Tue, 11 Aug - Mon, 17 Aug
United Airlines Logo
15:30 - 11:10
YXU
-
DUB
14h 40m
2 stops
United Airlines Logo
09:30 - 21:40
DUB
-
YXU
17h 10m
2 stops
€528United Airlines
Sat, 26 Sep - Wed, 30 Sep
Air Canada Logo
15:30 - 08:15
YXU
-
DUB
11h 45m
1 stop
Air Canada Logo
08:00 - 21:52
DUB
-
YXU
17h 52m
1 stop
€547Air Canada
Tue, 13 Oct - Thu, 29 Oct
Air Canada Logo
10:05 - 08:15
YXU
-
DUB
17h 10m
1 stop
Air Canada Logo
08:00 - 14:47
DUB
-
YXU
10h 47m
1 stop
€548Air Canada
Tue, 13 Oct - Sat, 31 Oct

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Air Canada flights from London, Ontario to Ireland

Our best Air Canada deals on London, Ontario to Ireland flight tickets
Air Canada
26 Sept
YXU05:40London
21h 35m
1 stop
DUB08:15Dublin
30 Sept
DUB09:20Dublin
10h 30m
1 stop
YXU14:50London
€472
Air Canada
11 Aug
YXU18:20London
8h 55m
1 stop
DUB08:15Dublin
17 Aug
DUB09:20Dublin
10h 30m
1 stop
YXU14:50London
€484
Air Canada
26 Sept
YXU10:05London
18h 40m
2 stops
DUB09:45Dublin
30 Sept
DUB09:20Dublin
13h 23m
1 stop
YXU17:43London
€497

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
26 Sept
YXU15:30London
14h 40m
2 stops
DUB11:10Dublin
30 Sept
DUB09:30Dublin
17h 10m
2 stops
YXU21:40London
€528
United Airlines
13 Oct
YXU15:30London
13h 15m
2 stops
DUB09:45Dublin
31 Oct
DUB13:35Dublin
30h 12m
2 stops
YXU15:47London
€604
United Airlines
13 Oct
YXU05:40London
23h 05m
2 stops
DUB09:45Dublin
29 Oct
DUB13:35Dublin
29h 12m
2 stops
YXU14:47London
€605

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 13 July 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 26/9

05:40-08:15

1 stop21h 35m

Dublin

Wed 30/9

09:20-14:50

1 stop10h 30m

€472
Fastest return journey

LondonDublin

YXU - DUB

YXUDUB

London

Tue 11/8

18:20-08:15

1 stop8h 55m

Dublin

Mon 17/8

09:20-14:50

1 stop10h 30m

€484

LondonDublin

YXU - DUB

YXUDUB

London

Sat 26/9

10:05-09:45

2 stops18h 40m

Dublin

Wed 30/9

09:20-17:43

1 stop13h 23m

€497

LondonDublin

YXU - DUB

YXUDUB

London

Tue 11/8

18:20-08:15

1 stop8h 55m

Dublin

Mon 17/8

09:50-17:42

2 stops12h 52m

€504

LondonDublin

YXU - DUB

YXUDUB

London

Tue 4/8

18:20-08:15

1 stop8h 55m

Dublin

Thu 27/8

09:20-21:40

1 stop17h 20m

€505

LondonDublin

YXU - DUB

YXUDUB

London

Tue 4/8

18:20-08:15

1 stop8h 55m

Dublin

Thu 27/8

09:50-21:40

2 stops16h 50m

€507

LondonDublin

YXU - DUB

YXUDUB

London

Tue 11/8

10:05-12:10

2 stops21h 05m

Dublin

Mon 17/8

09:50-21:40

2 stops16h 50m

€524

LondonDublin

YXU - DUB

YXUDUB

London

Sat 26/9

15:30-11:10

2 stops14h 40m

Dublin

Wed 30/9

09:30-21:40

2 stops17h 10m

€528

LondonDublin

YXU - DUB

YXUDUB

London

Tue 13/10

15:30-08:15

1 stop11h 45m

Dublin

Thu 29/10

08:00-21:52

1 stop17h 52m

€547

LondonDublin

YXU - DUB

YXUDUB

London

Tue 13/10

10:05-08:15

1 stop17h 10m

Dublin

Sat 31/10

08:00-14:47

1 stop10h 47m

€548

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?

Aer Lingus and WestJet 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

24h 00m

Direct flights

None
The fastest flight from London, Ontario to Ireland takes 24h 00m
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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