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Cheap flights from London, Ontario to Ireland from €338

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 9/8. 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.
Multiple Airlines Logo
10:05 - 07:45
YXU
-
DUB
16h 40m
2 stops
Multiple Airlines Logo
09:20 - 17:42
DUB
-
YXU
13h 22m
1 stop
€480Multiple Airlines
Mon, 3 Aug - Wed, 2 Sep
Multiple Airlines Logo
21:10 - 08:15
YXU
-
DUB
30h 05m
1 stop
Multiple Airlines Logo
09:20 - 14:50
DUB
-
YXU
10h 30m
1 stop
€481Multiple Airlines
Mon, 3 Aug - Wed, 2 Sep
Multiple Airlines Logo
05:40 - 08:15
YXU
-
DUB
21h 35m
1 stop
Multiple Airlines Logo
09:50 - 17:42
DUB
-
YXU
12h 52m
2 stops
€486Multiple Airlines
Sat, 8 Aug - Mon, 17 Aug
Multiple Airlines Logo
05:40 - 08:15
YXU
-
DUB
21h 35m
1 stop
Multiple Airlines Logo
09:20 - 17:42
DUB
-
YXU
13h 22m
1 stop
€488Multiple Airlines
Sat, 8 Aug - Mon, 17 Aug
Air Canada Logo
18:20 - 08:15
YXU
-
DUB
8h 55m
1 stop
Air Canada Logo
09:20 - 17:42
DUB
-
YXU
13h 22m
1 stop
€490Air Canada
Mon, 3 Aug - Wed, 2 Sep
Air Canada Logo
18:20 - 08:15
YXU
-
DUB
8h 55m
1 stop
Air Canada Logo
09:20 - 17:42
DUB
-
YXU
13h 22m
1 stop
€490Air Canada
Mon, 3 Aug - Wed, 2 Sep
Air Canada Logo
21:10 - 08:15
YXU
-
DUB
30h 05m
1 stop
Air Canada Logo
09:20 - 14:50
DUB
-
YXU
10h 30m
1 stop
€491Air Canada
Fri, 31 Jul - Sat, 5 Sep
Multiple Airlines Logo
10:05 - 08:15
YXU
-
DUB
17h 10m
1 stop
Multiple Airlines Logo
09:50 - 17:42
DUB
-
YXU
12h 52m
2 stops
€495Multiple Airlines
Thu, 20 Aug - Tue, 25 Aug
Air Canada Logo
21:10 - 08:15
YXU
-
DUB
30h 05m
1 stop
Air Canada Logo
09:20 - 17:42
DUB
-
YXU
13h 22m
1 stop
€507Air Canada
Fri, 31 Jul - Mon, 31 Aug
Air Canada Logo
10:05 - 07:45
YXU
-
DUB
16h 40m
2 stops
Air Canada Logo
09:20 - 21:40
DUB
-
YXU
17h 20m
1 stop
€509Air Canada
Sun, 23 Aug - Thu, 27 Aug

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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
3 Aug
YXU18:20London
8h 55m
1 stop
DUB08:15Dublin
2 Sept
DUB09:20Dublin
13h 22m
1 stop
YXU17:42London
€490
Air Canada
3 Aug
YXU18:20London
8h 55m
1 stop
DUB08:15Dublin
2 Sept
DUB09:20Dublin
13h 22m
1 stop
YXU17:42London
€490
Air Canada
31 Jul
YXU21:10London
30h 05m
1 stop
DUB08:15Dublin
5 Sept
DUB09:20Dublin
10h 30m
1 stop
YXU14:50London
€491

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
4 Sept
YXU15:30London
14h 10m
2 stops
DUB10:40Dublin
8 Sept
DUB12:30Dublin
14h 10m
2 stops
YXU21:40London
€531
United Airlines
8 Aug
YXU05:40London
20h 40m
2 stops
DUB07:20Dublin
17 Aug
DUB08:50Dublin
13h 52m
2 stops
YXU17:42London
€563
United Airlines
31 Jul
YXU15:30London
14h 40m
2 stops
DUB11:10Dublin
2 Sept
DUB11:35Dublin
26h 45m
2 stops
YXU09:20London
€564

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 25 June 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

Mon 3/8

10:05-07:45

2 stops16h 40m

Dublin

Wed 2/9

09:20-17:42

1 stop13h 22m

€480

LondonDublin

YXU - DUB

YXUDUB

London

Mon 3/8

21:10-08:15

1 stop30h 05m

Dublin

Wed 2/9

09:20-14:50

1 stop10h 30m

€481

LondonDublin

YXU - DUB

YXUDUB

London

Sat 8/8

05:40-08:15

1 stop21h 35m

Dublin

Mon 17/8

09:50-17:42

2 stops12h 52m

€486

LondonDublin

YXU - DUB

YXUDUB

London

Sat 8/8

05:40-08:15

1 stop21h 35m

Dublin

Mon 17/8

09:20-17:42

1 stop13h 22m

€488
Fastest return journey

LondonDublin

YXU - DUB

YXUDUB

London

Mon 3/8

18:20-08:15

1 stop8h 55m

Dublin

Wed 2/9

09:20-17:42

1 stop13h 22m

€490

LondonDublin

YXU - DUB

YXUDUB

London

Mon 3/8

18:20-08:15

1 stop8h 55m

Dublin

Wed 2/9

09:20-17:42

1 stop13h 22m

€490

LondonDublin

YXU - DUB

YXUDUB

London

Fri 31/7

21:10-08:15

1 stop30h 05m

Dublin

Sat 5/9

09:20-14:50

1 stop10h 30m

€491

LondonDublin

YXU - DUB

YXUDUB

London

Thu 20/8

10:05-08:15

1 stop17h 10m

Dublin

Tue 25/8

09:50-17:42

2 stops12h 52m

€495

LondonDublin

YXU - DUB

YXUDUB

London

Fri 31/7

21:10-08:15

1 stop30h 05m

Dublin

Mon 31/8

09:20-17:42

1 stop13h 22m

€507

LondonDublin

YXU - DUB

YXUDUB

London

Sun 23/8

10:05-07:45

2 stops16h 40m

Dublin

Thu 27/8

09:20-21:40

1 stop17h 20m

€509

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

14h 10m

Direct flights

None
The fastest flight from London, Ontario to Ireland takes 14h 10m
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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