Latest deals
Insights
FAQs
Price Alerts

Cheap flights from London, Ontario to Ireland from €353

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 14/6. 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
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London, Ontario to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
05:40 - 08:15
YXU
-
DUB
21h 35m
1 stop
Multiple Airlines Logo
09:50 - 21:40
DUB
-
YXU
16h 50m
1 stop
€525Multiple Airlines
Wed, 7 Oct - Thu, 15 Oct
Air Canada Logo
10:05 - 08:15
YXU
-
DUB
17h 10m
1 stop
Air Canada Logo
09:50 - 21:40
DUB
-
YXU
16h 50m
1 stop
€535Air Canada
Sun, 6 Sep - Thu, 10 Sep
Air Canada Logo
18:20 - 08:15
YXU
-
DUB
8h 55m
1 stop
Air Canada Logo
09:50 - 21:40
DUB
-
YXU
16h 50m
1 stop
€537Air Canada
Sun, 6 Sep - Thu, 10 Sep
Air Canada Logo
15:30 - 08:15
YXU
-
DUB
11h 45m
1 stop
Air Canada Logo
09:50 - 21:40
DUB
-
YXU
16h 50m
1 stop
€540Air Canada
Sun, 6 Sep - Thu, 10 Sep
United Airlines Logo
10:05 - 07:20
YXU
-
DUB
16h 15m
2 stops
United Airlines Logo
08:50 - 14:57
DUB
-
YXU
35h 07m
2 stops
€550United Airlines
Sun, 14 Jun - Sun, 21 Jun
Multiple Airlines Logo
10:05 - 08:15
YXU
-
DUB
17h 10m
1 stop
Multiple Airlines Logo
18:35 - 17:45
DUB
-
YXU
28h 10m
2 stops
€554Multiple Airlines
Wed, 7 Oct - Thu, 15 Oct
Air Canada Logo
10:05 - 11:10
YXU
-
DUB
20h 05m
2 stops
Air Canada Logo
09:50 - 14:55
DUB
-
YXU
10h 05m
1 stop
€560Air Canada
Sun, 6 Sep - Thu, 10 Sep
Multiple Airlines Logo
05:10 - 08:15
YXU
-
DUB
22h 05m
1 stop
Multiple Airlines Logo
09:20 - 21:40
DUB
-
YXU
17h 20m
1 stop
€560Multiple Airlines
Tue, 21 Jul - Wed, 29 Jul
Air Canada Logo
15:30 - 10:40
YXU
-
DUB
14h 10m
2 stops
Air Canada Logo
09:50 - 17:43
DUB
-
YXU
12h 53m
1 stop
€561Air Canada
Sun, 6 Sep - Thu, 10 Sep
Air Canada Logo
15:30 - 11:10
YXU
-
DUB
14h 40m
2 stops
Air Canada Logo
09:50 - 09:20
DUB
-
YXU
28h 30m
1 stop
€562Air Canada
Sun, 6 Sep - Thu, 10 Sep

Air Canada flights from London, Ontario to Ireland

Our best Air Canada deals on London, Ontario to Ireland flight tickets
Air Canada
6 Sept
YXU10:05London
17h 10m
1 stop
DUB08:15Dublin
10 Sept
DUB09:50Dublin
16h 50m
1 stop
YXU21:40London
€535
Air Canada
6 Sept
YXU18:20London
8h 55m
1 stop
DUB08:15Dublin
10 Sept
DUB09:50Dublin
16h 50m
1 stop
YXU21:40London
€537
Air Canada
6 Sept
YXU15:30London
11h 45m
1 stop
DUB08:15Dublin
10 Sept
DUB09:50Dublin
16h 50m
1 stop
YXU21:40London
€540

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
14 Jun
YXU10:05London
16h 15m
2 stops
DUB07:20Dublin
21 Jun
DUB08:50Dublin
35h 07m
2 stops
YXU14:57London
€550
United Airlines
6 Sept
YXU10:05London
20h 05m
2 stops
DUB11:10Dublin
10 Sept
DUB12:30Dublin
14h 10m
2 stops
YXU21:40London
€589
United Airlines
6 Sept
YXU10:05London
16h 25m
2 stops
DUB07:30Dublin
10 Sept
DUB09:30Dublin
17h 10m
2 stops
YXU21:40London
€592

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 3 May 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

Wed 7/10

05:40-08:15

1 stop21h 35m

Dublin

Thu 15/10

09:50-21:40

1 stop16h 50m

€525

LondonDublin

YXU - DUB

YXUDUB

London

Sun 6/9

10:05-08:15

1 stop17h 10m

Dublin

Thu 10/9

09:50-21:40

1 stop16h 50m

€535
Fastest return journey

LondonDublin

YXU - DUB

YXUDUB

London

Sun 6/9

18:20-08:15

1 stop8h 55m

Dublin

Thu 10/9

09:50-21:40

1 stop16h 50m

€537

LondonDublin

YXU - DUB

YXUDUB

London

Sun 6/9

15:30-08:15

1 stop11h 45m

Dublin

Thu 10/9

09:50-21:40

1 stop16h 50m

€540

LondonDublin

YXU - DUB

YXUDUB

London

Sun 14/6

10:05-07:20

2 stops16h 15m

Dublin

Sun 21/6

08:50-14:57

2 stops35h 07m

€550

LondonDublin

YXU - DUB

YXUDUB

London

Wed 7/10

10:05-08:15

1 stop17h 10m

Dublin

Thu 15/10

18:35-17:45

2 stops28h 10m

€554

LondonDublin

YXU - DUB

YXUDUB

London

Sun 6/9

10:05-11:10

2 stops20h 05m

Dublin

Thu 10/9

09:50-14:55

1 stop10h 05m

€560

LondonDublin

YXU - DUB

YXUDUB

London

Tue 21/7

05:10-08:15

1 stop22h 05m

Dublin

Wed 29/7

09:20-21:40

1 stop17h 20m

€560

LondonDublin

YXU - DUB

YXUDUB

London

Sun 6/9

15:30-10:40

2 stops14h 10m

Dublin

Thu 10/9

09:50-17:43

1 stop12h 53m

€561

LondonDublin

YXU - DUB

YXUDUB

London

Sun 6/9

15:30-11:10

2 stops14h 40m

Dublin

Thu 10/9

09:50-09:20

1 stop28h 30m

€562

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

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.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 2/6
Tue 9/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €38
Flights to Corkfrom €83
Flights to Shannon, Clarefrom €81
Flights to Milltown (Kerry)from €38
Flights to Donegalfrom €78