Latest deals
Insights
FAQs
Price Alerts

Cheap flights from London, Ontario to Ireland from €351

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 13/9. 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

Find the cheapest flights from London, Ontario to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:05 - 07:45YXU  London-DUB Dublin
16h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
09:50 - 21:40DUB  Dublin-YXU London
16h 50m1 stop Toronto Pearson Intl
€534Air Canada
Wed, 9 Sep - Tue, 15 Sep
Air Canada Logo
10:05 - 07:45YXU  London-DUB Dublin
16h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
09:20 - 17:43DUB  Dublin-YXU London
13h 23m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
€535Air Canada
Wed, 9 Sep - Tue, 15 Sep
Air Canada Logo
15:30 - 08:15YXU  London-DUB Dublin
11h 45m1 stop Toronto Pearson Intl
Air Canada Logo
09:50 - 21:40DUB  Dublin-YXU London
16h 50m1 stop Toronto Pearson Intl
€537Air Canada
Mon, 14 Sep - Mon, 5 Oct
Air Canada Logo
10:05 - 07:45YXU  London-DUB Dublin
16h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
09:50 - 21:40DUB  Dublin-YXU London
16h 50m1 stop Toronto Pearson Intl
€539Air Canada
Mon, 14 Sep - Mon, 5 Oct
Air Canada Logo
10:05 - 07:45YXU  London-DUB Dublin
16h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
09:50 - 09:20DUB  Dublin-YXU London
28h 30m1 stop Toronto Pearson Intl
€539Air Canada
Fri, 11 Sep - Tue, 15 Sep
Air Canada Logo
10:05 - 07:45YXU  London-DUB Dublin
16h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
09:20 - 17:43DUB  Dublin-YXU London
37h 23m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
€542Air Canada
Fri, 11 Sep - Tue, 15 Sep
Air Canada Logo
10:05 - 11:10YXU  London-DUB Dublin
20h 05m2 stops Toronto Pearson Intl Newark
Air Canada Logo
09:50 - 17:43DUB  Dublin-YXU London
12h 53m1 stop Toronto Pearson Intl
€561Air Canada
Fri, 11 Sep - Tue, 15 Sep
Air Canada Logo
10:05 - 11:10YXU  London-DUB Dublin
20h 05m2 stops Toronto Pearson Intl Newark
Air Canada Logo
09:50 - 17:43DUB  Dublin-YXU London
12h 53m1 stop Toronto Pearson Intl
€563Air Canada
Fri, 11 Sep - Tue, 15 Sep
Multiple Airlines Logo
05:40 - 08:15YXU  London-DUB Dublin
21h 35m1 stop Toronto Pearson Intl
Multiple Airlines Logo
09:20 - 14:50DUB  Dublin-YXU London
10h 30m1 stop Toronto Pearson Intl
€589Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
United Airlines Logo
05:40 - 07:20YXU  London-DUB Dublin
20h 40m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl
United Airlines Logo
11:35 - 09:20DUB  Dublin-YXU London
26h 45m2 stops Chicago O'Hare Intl Toronto Pearson Intl
€591United Airlines
Sun, 13 Sep - Wed, 7 Oct

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

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
13 Sept
YXU05:40London
20h 40m
2 stops
DUB07:20Dublin
7 Oct
DUB11:35Dublin
26h 45m
2 stops
YXU09:20London
€591
United Airlines
7 Sept
YXU10:05London
19h 35m
2 stops
DUB10:40Dublin
9 Oct
DUB09:30Dublin
17h 10m
2 stops
YXU21:40London
€594
United Airlines
7 Sept
YXU15:30London
14h 40m
2 stops
DUB11:10Dublin
9 Oct
DUB08:50Dublin
13h 55m
2 stops
YXU17:45London
€595

Lufthansa flights from London, Ontario to Ireland

Our best Lufthansa deals on London, Ontario to Ireland flight tickets
Lufthansa
14 Sept
YXU15:30London
11h 15m
2 stops
DUB07:45Dublin
5 Oct
DUB09:50Dublin
12h 55m
1 stop
YXU17:45London
€769
Lufthansa
14 Sept
YXU10:05London
17h 10m
1 stop
DUB08:15Dublin
5 Oct
DUB09:50Dublin
12h 55m
1 stop
YXU17:45London
€771
Lufthansa
7 Sept
YXU15:30London
11h 15m
2 stops
DUB07:45Dublin
9 Oct
DUB09:20Dublin
13h 25m
1 stop
YXU17:45London
€871

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 16 August 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 London - DUB Dublin

YXUDUB

London

Wed 9/9

10:05-07:45

2 stops16h 40m

Dublin

Tue 15/9

09:50-21:40

1 stop16h 50m

€534

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Wed 9/9

10:05-07:45

2 stops16h 40m

Dublin

Tue 15/9

09:20-17:43

2 stops13h 23m

€535
Fastest return journey

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Mon 14/9

15:30-08:15

1 stop11h 45m

Dublin

Mon 5/10

09:50-21:40

1 stop16h 50m

€537

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Mon 14/9

10:05-07:45

2 stops16h 40m

Dublin

Mon 5/10

09:50-21:40

1 stop16h 50m

€539

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Fri 11/9

10:05-07:45

2 stops16h 40m

Dublin

Tue 15/9

09:50-09:20

1 stop28h 30m

€539

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Fri 11/9

10:05-07:45

2 stops16h 40m

Dublin

Tue 15/9

09:20-17:43

2 stops37h 23m

€542

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Fri 11/9

10:05-11:10

2 stops20h 05m

Dublin

Tue 15/9

09:50-17:43

1 stop12h 53m

€561

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Fri 11/9

10:05-11:10

2 stops20h 05m

Dublin

Tue 15/9

09:50-17:43

1 stop12h 53m

€563

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Sat 12/9

05:40-08:15

1 stop21h 35m

Dublin

Sat 19/9

09:20-14:50

1 stop10h 30m

€589

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Sun 13/9

05:40-07:20

2 stops20h 40m

Dublin

Wed 7/10

11:35-09:20

2 stops26h 45m

€591

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

16h 40m

Direct flights

None
The fastest flight from London, Ontario to Ireland takes 16h 40m
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 15/9
Tue 22/9
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 €77
Flights to Shannon, Clarefrom €83
Flights to Milltown (Kerry)from €40
Flights to Donegalfrom €75