In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 mm per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most popular routes from London, Ontario to Ireland?

Most travellers choose London - Dublin, London - Cork or London - Shannon when deciding on the best route from London, Ontario to Ireland.

What is the cheapest month to fly from London, Ontario to Ireland?

The best pricing can be found in the month of September. Prices to Ireland from London, Ontario average C$ 1,028. You can even find prices in September for less than C$ 1,028, as users have found deals to Ireland from as low as C$ 907. The month of January appears to be one of the more expensive times to travel to Ireland from London, Ontario. Flying in the targeted month can save you up to 42%.

What airport do you fly from for flights from London to Ireland?

Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to Ireland from London.

Can I find deals for flights from London to Ireland that include hotel bookings?

Yes. In addition to deals on London to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from London to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ireland.

Can I find deals for business class flights from London to Ireland?

Yes. Cheapflights offers flight deals from London to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 727+ Flights from London, ON to Ireland

Cheap flight deals from London to Ireland

Round-trip from	C$ 727
Popular in	January
Cheapest in	September
Average price	C$ 1,004

Air Canada
12/9-19/9
3 total stops
31h 02m total
London to Ireland

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (C$ 308 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 67 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Find flight deals from London to Ireland

Cheapest flights from London to Ireland
Explore the most affordable flight options available from London to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Fri 12/96:10 a.m.YXU - DUB

2 stops20h 35mAir Canada

Fri 19/99:50 a.m.DUB - YXU

1 stop10h 27mAir Canada

Deal found 29/7C$ 727

Wed 1/109:55 a.m.YXU - DUB

1 stop17h 20mMultiple Airlines

Wed 8/106:40 p.m.DUB - YXU

2 stops31h 47mMultiple Airlines

Deal found 28/7C$ 790

Mon 8/910:00 a.m.YXU - DUB

2 stops16h 45mLufthansa

Wed 24/95:55 a.m.DUB - YXU

2 stops14h 22mLufthansa

Deal found 29/7C$ 805

Wed 1/109:55 a.m.YXU - DUB

2 stops20h 15mUnited Airlines

Wed 8/108:50 a.m.DUB - YXU

2 stops17h 37mUnited Airlines

Deal found 28/7C$ 848

Best flights from London to Ireland
Discover carefully curated flight deals from London to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 July 2025.

Fri 12/96:10 a.m.YXU - DUB

2 stops20h 35mAir Canada

Fri 19/99:50 a.m.DUB - YXU

1 stop10h 27mAir Canada

Deal found 29/7C$ 727

Wed 1/109:55 a.m.YXU - DUB

1 stop17h 20mMultiple Airlines

Wed 8/106:40 p.m.DUB - YXU

2 stops31h 47mMultiple Airlines

Deal found 28/7C$ 790

Mon 8/910:00 a.m.YXU - DUB

2 stops16h 45mLufthansa

Wed 24/95:55 a.m.DUB - YXU

2 stops14h 22mLufthansa

Deal found 29/7C$ 805

Wed 1/109:55 a.m.YXU - DUB

2 stops20h 15mUnited Airlines

Wed 8/108:50 a.m.DUB - YXU

2 stops17h 37mUnited Airlines

Deal found 28/7C$ 848

Fly from

Fly to

Route

Depart

Return

Price

LondonDublin

YXU - DUB

YXUDUB

London

Fri 12/9

6:10 a.m.-7:45 a.m.

2 stops20h 35m

Dublin

Fri 19/9

9:50 a.m.-3:17 p.m.

1 stop10h 27m

C$ 727

LondonDublin

YXU - DUB

YXUDUB

London

Wed 1/10

9:55 a.m.-8:15 a.m.

1 stop17h 20m

Dublin

Wed 8/10

6:40 p.m.-9:27 p.m.

2 stops31h 47m

C$ 790

LondonDublin

YXU - DUB

YXUDUB

London

Mon 8/9

10:00 a.m.-7:45 a.m.

2 stops16h 45m

Dublin

Wed 24/9

5:55 a.m.-3:17 p.m.

2 stops14h 22m

C$ 805

LondonDublin

YXU - DUB

YXUDUB

London

Wed 1/10

9:55 a.m.-11:10 a.m.

2 stops20h 15m

Dublin

Wed 8/10

8:50 a.m.-9:27 p.m.

2 stops17h 37m

C$ 848

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Best time to book a flight from London to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from London with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Ireland

What is the cheapest month to book a flight from London, Ontario to Ireland?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Ireland (average of C$ 458). Flying from London, Ontario to Ireland in December is currently the most expensive (average of C$ 760). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YXU to IE?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Ireland as you normally would.

Reviews of airlines servicing Ireland

Get a feel of what it's like to fly with United Airlines,Air Canada, andLufthansa from London to Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA

United Airlines

7.4

Good

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA

Air Canada

7.1

Good

9,826 reviews

United Airlines

7.4

Good

8,896 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA

Lufthansa

6.8

Okay

7,265 reviews

United Airlines

7.4

Good

8,896 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA

Related info for your journey

What airport do you fly from for flights from London to Ireland?
Located just 8.6 km from the city centre, London (YXU) is the airport most travellers will use when flying to Ireland from London.
What are the most popular routes from London, Ontario to Ireland?
Most travellers choose London - Dublin, London - Cork or London - Shannon when deciding on the best route from London, Ontario to Ireland.
Can I find deals for flights from London to Ireland that include hotel bookings?
Yes. In addition to deals on London to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ireland.
Can I find deals for business class flights from London to Ireland?
Yes. Cheapflights offers flight deals from London to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London, Ontario to Ireland?
Currently, January is the cheapest month in which you can book a flight from London, Ontario to Ireland (average of C$ 458). Flying from London, Ontario to Ireland in December is currently the most expensive (average of C$ 760). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Ireland

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Direct flights to Nantes

Top airline flying from London to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 893	AverageC$ 973	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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How does Cheapflights help users find flights from London to Ireland?

Deals for London to Ireland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Ireland?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Ireland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Ireland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Ireland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ireland from London today and book when prices fit your budget.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London, ON to Ireland from C$ 727

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Ireland

Keep the following information in mind while searching for London to Ireland flight deals. Data was last updated 29 July 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from London to Ireland

Cheapest flights from London to IrelandExplore the most affordable flight options available from London to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Explore the most affordable flight options available from London to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Ireland that are best for you.

Best time to book a flight from London to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from London with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London to Ireland

What is the cheapest month to book a flight from London, Ontario to Ireland?

What is the cheapest time of day to fly from YXU to IE?

Find hourly flight availability from London to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.

Reviews of airlines servicing Ireland

Get a feel of what it's like to fly with United Airlines,Air Canada, andLufthansa from London to Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from London to Ireland?

What are the most popular routes from London, Ontario to Ireland?

Can I find deals for flights from London to Ireland that include hotel bookings?

How can I find direct flights from London to Ireland?

Can I find deals for business class flights from London to Ireland?

What is the cheapest month to book a flight from London, Ontario to Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from London to Ireland

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Ireland?

Why should you use Cheapflights to find cheap flight tickets from London to Ireland?

Can Cheapflights find flights from London to Ireland with no change fees?

Can Cheapflights notify me if prices for flights from London to Ireland become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Ireland
Explore the most affordable flight options available from London to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.