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Cheap flights from London, Ontario to Dublin from €399

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 Dublin departing on 29/5. 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 Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
09:30 - 08:15
YXU
-
DUB
17h 45m
1 stop
Air Canada Logo
09:20 - 21:38
DUB
-
YXU
17h 18m
1 stop
€514Air Canada
Sat, 2 May - Wed, 6 May
Air Canada Logo
18:10 - 08:15
YXU
-
DUB
9h 05m
1 stop
Air Canada Logo
09:50 - 17:33
DUB
-
YXU
12h 43m
1 stop
€527Air Canada
Sat, 2 May - Sat, 9 May
Air Canada Logo
09:30 - 08:15
YXU
-
DUB
17h 45m
1 stop
Air Canada Logo
09:20 - 17:33
DUB
-
YXU
13h 13m
1 stop
€528Air Canada
Sat, 2 May - Wed, 6 May
Air Canada Logo
05:40 - 08:15
YXU
-
DUB
21h 35m
1 stop
Air Canada Logo
09:50 - 21:38
DUB
-
YXU
16h 48m
2 stops
€531Air Canada
Thu, 11 Jun - Mon, 15 Jun
Air Canada Logo
17:40 - 07:20
YXU
-
DUB
32h 40m
2 stops
Air Canada Logo
09:50 - 17:33
DUB
-
YXU
12h 43m
1 stop
€534Air Canada
Thu, 30 Apr - Thu, 7 May
Air Canada Logo
12:20 - 10:40
YXU
-
DUB
17h 20m
2 stops
Air Canada Logo
09:20 - 08:53
DUB
-
YXU
28h 33m
1 stop
€538Air Canada
Sat, 2 May - Wed, 6 May
Multiple Airlines Logo
09:30 - 08:15
YXU
-
DUB
17h 45m
1 stop
Multiple Airlines Logo
18:35 - 17:33
DUB
-
YXU
27h 58m
2 stops
€545Multiple Airlines
Sat, 2 May - Sat, 9 May
Air Canada Logo
12:20 - 10:40
YXU
-
DUB
17h 20m
2 stops
Air Canada Logo
09:20 - 17:33
DUB
-
YXU
13h 13m
1 stop
€552Air Canada
Sat, 2 May - Wed, 6 May
Air Canada Logo
17:40 - 07:20
YXU
-
DUB
32h 40m
2 stops
Air Canada Logo
12:30 - 21:38
DUB
-
YXU
14h 08m
2 stops
€564Air Canada
Thu, 30 Apr - Thu, 7 May
United Airlines Logo
12:20 - 07:20
YXU
-
DUB
14h 00m
2 stops
United Airlines Logo
08:50 - 21:38
DUB
-
YXU
17h 48m
2 stops
€569United Airlines
Sat, 2 May - Wed, 6 May

Air Canada flights from London, Ontario to Dublin

Our best Air Canada deals on London, Ontario to Dublin flight tickets
Air Canada
2 May
YXU09:30London
17h 45m
1 stop
DUB08:15Dublin
6 May
DUB09:20Dublin
17h 18m
1 stop
YXU21:38London
€514
Air Canada
2 May
YXU18:10London
9h 05m
1 stop
DUB08:15Dublin
9 May
DUB09:50Dublin
12h 43m
1 stop
YXU17:33London
€527
Air Canada
2 May
YXU09:30London
17h 45m
1 stop
DUB08:15Dublin
6 May
DUB09:20Dublin
13h 13m
1 stop
YXU17:33London
€528

United Airlines flights from London, Ontario to Dublin

Our best United Airlines deals on London, Ontario to Dublin flight tickets
United Airlines
2 May
YXU12:20London
14h 00m
2 stops
DUB07:20Dublin
6 May
DUB08:50Dublin
17h 48m
2 stops
YXU21:38London
€569
United Airlines
2 May
YXU12:20London
14h 00m
2 stops
DUB07:20Dublin
6 May
DUB11:35Dublin
15h 03m
2 stops
YXU21:38London
€583
United Airlines
2 May
YXU09:30London
20h 10m
2 stops
DUB10:40Dublin
9 May
DUB08:50Dublin
13h 43m
2 stops
YXU17:33London
€584

momondo Fare Finder

 
Customise your flight search to find flights from London, Ontario to Dublin 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 19 March 2026.
Use the filters below to find and compare flights from London, Ontario to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

09:30-08:15

1 stop17h 45m

Dublin

Wed 6/5

09:20-21:38

1 stop17h 18m

€514
Fastest return journey

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

18:10-08:15

1 stop9h 05m

Dublin

Sat 9/5

09:50-17:33

1 stop12h 43m

€527

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

09:30-08:15

1 stop17h 45m

Dublin

Wed 6/5

09:20-17:33

1 stop13h 13m

€528

LondonDublin

YXU - DUB

YXUDUB

London

Thu 11/6

05:40-08:15

1 stop21h 35m

Dublin

Mon 15/6

09:50-21:38

2 stops16h 48m

€531

LondonDublin

YXU - DUB

YXUDUB

London

Thu 30/4

17:40-07:20

2 stops32h 40m

Dublin

Thu 7/5

09:50-17:33

1 stop12h 43m

€534

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

12:20-10:40

2 stops17h 20m

Dublin

Wed 6/5

09:20-08:53

1 stop28h 33m

€538

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

09:30-08:15

1 stop17h 45m

Dublin

Sat 9/5

18:35-17:33

2 stops27h 58m

€545

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

12:20-10:40

2 stops17h 20m

Dublin

Wed 6/5

09:20-17:33

1 stop13h 13m

€552

LondonDublin

YXU - DUB

YXUDUB

London

Thu 30/4

17:40-07:20

2 stops32h 40m

Dublin

Thu 7/5

12:30-21:38

2 stops14h 08m

€564

LondonDublin

YXU - DUB

YXUDUB

London

Sat 2/5

12:20-07:20

2 stops14h 00m

Dublin

Wed 6/5

08:50-21:38

2 stops17h 48m

€569

Flights are sorted by cheapest return flights first.

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

See travel insights to Dublin from

How to get the cheapest flight ticket from London, Ontario to Dublin

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 Dublin?

WestJet is the most popular carrier operating from London to Dublin

When to book flights from London, Ontario to Dublin

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Dublin according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London, Ontario to Dublin (YXU to DUB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Dublin

Fastest flight time

17h 45m

Direct flights

None
The fastest flight from London, Ontario to Dublin takes 17h 45m
There are no direct flights from London, Ontario to Dublin. There are no popular flight routes from London, Ontario to Dublin.
Search flight deals

  • How far is London to Dublin by plane?

    The straight-line distance from London to Dublin is 5409.7 km. Typically, this will take 17h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from London Airport to Dublin Airport?

    Prices for flights from London Airport to Dublin Airport are updated daily.

  • How old do you have to be to fly from London Airport to Dublin Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The required travel and health documents for your Dublin Airport 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 Dublin Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Cavan
Wicklow
Dundalk
Naas
Tullamore
Kildare
Swords
Bray
Gorey
Mullingar
Leixlip
Malahide
Maynooth
Carlingford
Enniscorthy
Arklow
Castleknock
Thurles

Why use momondo?

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

Finding the right flight to Dublin from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Dublin quick and easy, saving you time and money.

Can I find flights from London to Dublin with flexible booking policies on momondo?

All flight searches from London to Dublin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Dublin?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from London.

I’m not ready to book a flight from London to Dublin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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