Latest deals
Insights
FAQs
Price Alerts

Cheap flights from London, Ontario to Ireland from €319

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 6/9. 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
15:30 - 08:15YXU  London-DUB Dublin
11h 45m1 stop Toronto Pearson Intl
Air Canada Logo
09:50 - 14:55DUB  Dublin-YXU London
10h 05m1 stop Toronto Pearson Intl
€537Air Canada
Sun, 4 Oct - Thu, 8 Oct
Multiple Airlines Logo
10:05 - 07:20YXU  London-DUB Dublin
16h 15m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl
Multiple Airlines Logo
09:50 - 09:20DUB  Dublin-YXU London
28h 30m1 stop Toronto Pearson Intl
€561Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Multiple Airlines Logo
10:05 - 07:20YXU  London-DUB Dublin
16h 15m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl
Multiple Airlines Logo
09:20 - 17:43DUB  Dublin-YXU London
13h 23m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
€564Multiple Airlines
Mon, 7 Sep - Mon, 14 Sep
Air Canada Logo
10:05 - 08:15YXU  London-DUB Dublin
17h 10m1 stop Toronto Pearson Intl
Air Canada Logo
09:30 - 09:20DUB  Dublin-YXU London
28h 50m2 stops Newark Toronto Pearson Intl
€568Air Canada
Sun, 4 Oct - Thu, 8 Oct
Air Canada Logo
10:05 - 08:15YXU  London-DUB Dublin
17h 10m1 stop Toronto Pearson Intl
Air Canada Logo
09:30 - 09:20DUB  Dublin-YXU London
28h 50m2 stops Newark Toronto Pearson Intl
€568Air Canada
Sun, 4 Oct - Thu, 8 Oct
Air Canada Logo
10:05 - 08:15YXU  London-DUB Dublin
17h 10m1 stop Toronto Pearson Intl
Air Canada Logo
09:30 - 09:20DUB  Dublin-YXU London
28h 50m2 stops Newark Toronto Pearson Intl
€570Air Canada
Sun, 4 Oct - Thu, 8 Oct
Multiple Airlines Logo
18:20 - 08:15YXU  London-DUB Dublin
8h 55m1 stop Toronto Pearson Intl
Multiple Airlines Logo
08:00 - 21:52DUB  Dublin-YXU London
17h 52m1 stop Toronto Pearson Intl
€578Multiple Airlines
Tue, 13 Oct - Thu, 29 Oct
Air Canada Logo
10:05 - 08:15YXU  London-DUB Dublin
17h 10m1 stop Toronto Pearson Intl
Air Canada Logo
09:50 - 14:50DUB  Dublin-YXU London
10h 00m1 stop Toronto Pearson Intl
€582Air Canada
Thu, 17 Sep - Thu, 24 Sep
Lufthansa Logo
10:05 - 07:45YXU  London-DUB Dublin
16h 40m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
Lufthansa Logo
09:20 - 17:43DUB  Dublin-YXU London
13h 23m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
€586Lufthansa
Mon, 7 Sep - Mon, 14 Sep
United Airlines Logo
05:40 - 11:10YXU  London-DUB Dublin
24h 30m2 stops Toronto Pearson Intl Newark
United Airlines Logo
09:30 - 09:20DUB  Dublin-YXU London
28h 50m2 stops Newark Toronto Pearson Intl
€588United Airlines
Sun, 4 Oct - Thu, 8 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

Air Canada flights from London, Ontario to Ireland

Our best Air Canada deals on London, Ontario to Ireland flight tickets
Air Canada
4 Oct
YXU15:30London
11h 45m
1 stop
DUB08:15Dublin
8 Oct
DUB09:50Dublin
10h 05m
1 stop
YXU14:55London
€537
Air Canada
4 Oct
YXU10:05London
17h 10m
1 stop
DUB08:15Dublin
8 Oct
DUB09:30Dublin
28h 50m
2 stops
YXU09:20London
€568
Air Canada
4 Oct
YXU10:05London
17h 10m
1 stop
DUB08:15Dublin
8 Oct
DUB09:30Dublin
28h 50m
2 stops
YXU09:20London
€568

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
4 Oct
YXU05:40London
24h 30m
2 stops
DUB11:10Dublin
8 Oct
DUB09:30Dublin
28h 50m
2 stops
YXU09:20London
€588
United Airlines
17 Sept
YXU10:05London
16h 15m
2 stops
DUB07:20Dublin
24 Sept
DUB11:35Dublin
26h 45m
2 stops
YXU09:20London
€591
United Airlines
4 Oct
YXU10:05London
16h 15m
2 stops
DUB07:20Dublin
8 Oct
DUB13:35Dublin
33h 10m
2 stops
YXU17:45London
€593

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 9 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
Fastest return journey

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Sun 4/10

15:30-08:15

1 stop11h 45m

Dublin

Thu 8/10

09:50-14:55

1 stop10h 05m

€537

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Mon 7/9

10:05-07:20

2 stops16h 15m

Dublin

Mon 14/9

09:50-09:20

1 stop28h 30m

€561

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Mon 7/9

10:05-07:20

2 stops16h 15m

Dublin

Mon 14/9

09:20-17:43

2 stops13h 23m

€564

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Sun 4/10

10:05-08:15

1 stop17h 10m

Dublin

Thu 8/10

09:30-09:20

2 stops28h 50m

€568

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Sun 4/10

10:05-08:15

1 stop17h 10m

Dublin

Thu 8/10

09:30-09:20

2 stops28h 50m

€568

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Sun 4/10

10:05-08:15

1 stop17h 10m

Dublin

Thu 8/10

09:30-09:20

2 stops28h 50m

€570

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Tue 13/10

18:20-08:15

1 stop8h 55m

Dublin

Thu 29/10

08:00-21:52

1 stop17h 52m

€578

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Thu 17/9

10:05-08:15

1 stop17h 10m

Dublin

Thu 24/9

09:50-14:50

1 stop10h 00m

€582

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Mon 7/9

10:05-07:45

2 stops16h 40m

Dublin

Mon 14/9

09:20-17:43

2 stops13h 23m

€586

LondonDublin

YXU London - DUB Dublin

YXUDUB

London

Sun 4/10

05:40-11:10

2 stops24h 30m

Dublin

Thu 8/10

09:30-09:20

2 stops28h 50m

€588

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 8/9
Tue 15/9
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 €81
Flights to Shannon, Clarefrom €77
Flights to Milltown (Kerry)from €42
Flights to Donegalfrom €75