Cheap flights from London, Ontario to Ireland from C$ 647

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 22/3. 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

Discover deals from 900+ travel sites with momondo.

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? Early arrival? Instantly customize 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.

Find the cheapest flights from London, Ontario to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
5:40 p.m. - 7:10 a.m.
YXU
-
DUB
8h 30m
1 stop
Air Canada Logo
8:00 a.m. - 5:05 p.m.
DUB
-
YXU
13h 05m
1 stop
C$ 750Air Canada
Thu, 5 Mar - Mon, 9 Mar
Air Canada Logo
9:40 a.m. - 7:10 a.m.
YXU
-
DUB
16h 30m
1 stop
Air Canada Logo
8:00 a.m. - 8:46 a.m.
DUB
-
YXU
28h 46m
1 stop
C$ 751Air Canada
Thu, 5 Mar - Mon, 9 Mar
Air Canada Logo
9:40 a.m. - 10:20 a.m.
YXU
-
DUB
19h 40m
2 stops
Air Canada Logo
8:00 a.m. - 8:46 a.m.
DUB
-
YXU
28h 46m
1 stop
C$ 789Air Canada
Thu, 5 Mar - Mon, 9 Mar
Air Canada Logo
9:40 a.m. - 7:10 a.m.
YXU
-
DUB
16h 30m
1 stop
Air Canada Logo
12:05 p.m. - 5:05 p.m.
DUB
-
YXU
33h 00m
2 stops
C$ 805Air Canada
Thu, 5 Mar - Mon, 9 Mar
Air Canada Logo
5:40 p.m. - 7:10 a.m.
YXU
-
DUB
8h 30m
1 stop
Air Canada Logo
9:30 a.m. - 9:21 p.m.
DUB
-
YXU
15h 51m
2 stops
C$ 806Air Canada
Thu, 5 Mar - Mon, 9 Mar
United Airlines Logo
9:40 a.m. - 10:20 a.m.
YXU
-
DUB
19h 40m
2 stops
United Airlines Logo
12:05 p.m. - 5:05 p.m.
DUB
-
YXU
33h 00m
2 stops
C$ 837United Airlines
Thu, 5 Mar - Mon, 9 Mar
United Airlines Logo
5:40 p.m. - 10:20 a.m.
YXU
-
DUB
11h 40m
2 stops
United Airlines Logo
9:30 a.m. - 9:21 p.m.
DUB
-
YXU
15h 51m
2 stops
C$ 839United Airlines
Thu, 5 Mar - Mon, 9 Mar
Air Canada Logo
9:40 a.m. - 7:30 a.m.
YXU
-
DUB
17h 50m
2 stops
Air Canada Logo
9:30 a.m. - 8:43 a.m.
DUB
-
YXU
28h 13m
2 stops
C$ 899Air Canada
Mon, 23 Mar - Mon, 30 Mar
Air Canada Logo
5:40 p.m. - 6:10 a.m.
YXU
-
DUB
8h 30m
1 stop
Air Canada Logo
1:35 p.m. - 5:05 p.m.
DUB
-
YXU
31h 30m
2 stops
C$ 940Air Canada
Fri, 20 Mar - Fri, 27 Mar
Multiple Airlines Logo
12:20 p.m. - 5:10 a.m.
YXU
-
DUB
11h 50m
1 stop
Multiple Airlines Logo
1:20 p.m. - 11:45 a.m.
DUB
-
YXU
27h 25m
1 stop
C$ 959Multiple Airlines
Sat, 18 Jul - Sun, 26 Jul

United Airlines flights from London, Ontario to Ireland

Our best United Airlines deals on London, Ontario to Ireland flight tickets
United Airlines
5 Mar
YXU9:40 a.m.London
19h 40m
2 stops
DUB10:20 a.m.Dublin
9 Mar
DUB12:05 p.m.Dublin
33h 00m
2 stops
YXU5:05 p.m.London
C$ 837
United Airlines
5 Mar
YXU5:40 p.m.London
11h 40m
2 stops
DUB10:20 a.m.Dublin
9 Mar
DUB9:30 a.m.Dublin
15h 51m
2 stops
YXU9:21 p.m.London
C$ 839
United Airlines
5 Mar
YXU9:40 a.m.London
19h 40m
2 stops
DUB10:20 a.m.Dublin
9 Mar
DUB9:30 a.m.Dublin
15h 51m
2 stops
YXU9:21 p.m.London
C$ 971

Air Canada flights from London, Ontario to Ireland

Our best Air Canada deals on London, Ontario to Ireland flight tickets
Air Canada
5 Mar
YXU5:40 p.m.London
8h 30m
1 stop
DUB7:10 a.m.Dublin
9 Mar
DUB8:00 a.m.Dublin
13h 05m
1 stop
YXU5:05 p.m.London
C$ 750
Air Canada
5 Mar
YXU9:40 a.m.London
16h 30m
1 stop
DUB7:10 a.m.Dublin
9 Mar
DUB8:00 a.m.Dublin
28h 46m
1 stop
YXU8:46 a.m.London
C$ 751
Air Canada
5 Mar
YXU9:40 a.m.London
19h 40m
2 stops
DUB10:20 a.m.Dublin
9 Mar
DUB8:00 a.m.Dublin
28h 46m
1 stop
YXU8:46 a.m.London
C$ 789

momondo Fare Finder

 
Customize 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 96,600 searches. Data last updated 6 February 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

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

5:40 p.m.-7:10 a.m.

1 stop8h 30m

Dublin

Mon 9/3

8:00 a.m.-5:05 p.m.

1 stop13h 05m

C$ 750

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

9:40 a.m.-7:10 a.m.

1 stop16h 30m

Dublin

Mon 9/3

8:00 a.m.-8:46 a.m.

1 stop28h 46m

C$ 751

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

9:40 a.m.-10:20 a.m.

2 stops19h 40m

Dublin

Mon 9/3

8:00 a.m.-8:46 a.m.

1 stop28h 46m

C$ 789

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

9:40 a.m.-7:10 a.m.

1 stop16h 30m

Dublin

Mon 9/3

12:05 p.m.-5:05 p.m.

2 stops33h 00m

C$ 805

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

5:40 p.m.-7:10 a.m.

1 stop8h 30m

Dublin

Mon 9/3

9:30 a.m.-9:21 p.m.

2 stops15h 51m

C$ 806

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

9:40 a.m.-10:20 a.m.

2 stops19h 40m

Dublin

Mon 9/3

12:05 p.m.-5:05 p.m.

2 stops33h 00m

C$ 837

LondonDublin

YXU - DUB

YXUDUB

London

Thu 5/3

5:40 p.m.-10:20 a.m.

2 stops11h 40m

Dublin

Mon 9/3

9:30 a.m.-9:21 p.m.

2 stops15h 51m

C$ 839

LondonDublin

YXU - DUB

YXUDUB

London

Mon 23/3

9:40 a.m.-7:30 a.m.

2 stops17h 50m

Dublin

Mon 30/3

9:30 a.m.-8:43 a.m.

2 stops28h 13m

C$ 899

LondonDublin

YXU - DUB

YXUDUB

London

Fri 20/3

5:40 p.m.-6:10 a.m.

1 stop8h 30m

Dublin

Fri 27/3

1:35 p.m.-5:05 p.m.

2 stops31h 30m

C$ 940

LondonDublin

YXU - DUB

YXUDUB

London

Sat 18/7

12:20 p.m.-5:10 a.m.

1 stop11h 50m

Dublin

Sun 26/7

1:20 p.m.-11:45 a.m.

1 stop27h 25m

C$ 959

Flights are sorted by cheapest round-trip 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

Which airlines fly to Ireland?

WestJet, Aer Lingus and Air Canada are the top three most popular airlines that fly to Ireland from London, Ontario according to our data. WestJet is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Ireland. Keep in mind that there are 12 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

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

11h 50m

Direct flights

None
The fastest flight from London, Ontario to Ireland takes 11h 50m
There are no direct flights from London, Ontario to Ireland. There are no popular flight routes 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 refresh daily.

  • How many operators does momondo search for flights from London Airport to Ireland?

  • 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 layovers. 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 license 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.

Best airlines flying from London, Ontario to Ireland

Compare and see reviews for airlines that fly from London, Ontario to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 804Free CancellationRating
7.1
10,696 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Ireland?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Ireland. momondo saves you time and could save you money on your trip.

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?

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from London and alert you when they change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 8/3
Sun 15/3

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo