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Cheap flights from London, ON to Ireland from C$ 638

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DUB
22 Apr — 29 Apr1
1 adult

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 17 April 2025.

Round-trip from

C$ 894

One-way from

C$ 638

Popular in

January

Cheapest in

May

Average price

C$ 1,016
Lufthansa
  • Lufthansa
  • 1/6-8/6
  • 3 total stops
  • 30h 38m total
  • London to Ireland
Search Deals
WestJet
  • WestJet
  • 29/5
  • 3 total stops
  • 23h 00m total
  • London to Ireland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 2025.

Sun 1/66:15 a.m.YXU - DUB
2 stops20h 30mMultiple Airlines
Sun 8/69:50 a.m.DUB - YXU
1 stop10h 08mMultiple Airlines
Deal found 17/4C$ 894
Sun 1/63:35 p.m.YXU - DUB
1 stop11h 40mAir Canada
Sun 8/69:50 a.m.DUB - YXU
1 stop10h 08mAir Canada
Deal found 17/4C$ 898
Sun 1/66:15 a.m.YXU - DUB
2 stops19h 55mUnited Airlines
Sun 8/68:50 a.m.DUB - YXU
2 stops17h 38mUnited Airlines
Deal found 17/4C$ 1,037

Cheapflights Fare Finder

Customize your flight search to find flights from London 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, Cheapflights users made 629,999 searches. Data last updated 17 April 2025.
Use the filters below to find and compare flights from London to Ireland that are best for you.

Fly from

London

Fly to

Ireland

Route

Depart

Return

Price

LondonDublin

YXU - DUB

YXUDUB

London

Sun 1/6

6:15 a.m.-7:45 a.m.

2 stops20h 30m

Dublin

Sun 8/6

9:50 a.m.-2:58 p.m.

1 stop10h 08m

C$ 894

LondonDublin

YXU - DUB

YXUDUB

London

Sun 1/6

3:35 p.m.-8:15 a.m.

1 stop11h 40m

Dublin

Sun 8/6

9:50 a.m.-2:58 p.m.

1 stop10h 08m

C$ 898

LondonDublin

YXU - DUB

YXUDUB

London

Sun 1/6

3:35 p.m.-10:20 a.m.

2 stops13h 45m

Dublin

Sun 8/6

8:50 a.m.-2:58 p.m.

2 stops35h 08m

C$ 1,037

LondonDublin

YXU - DUB

YXUDUB

London

Thu 29/5

6:00 a.m.-10:00 a.m.

3 stops23h 00m

C$ 638

LondonDublin

YXU - DUB

YXUDUB

London

Thu 29/5

6:00 a.m.-11:30 a.m.

2 stops24h 30m

C$ 889

LondonDublin

YXU - DUB

YXUDUB

London

Thu 29/5

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

1 stop17h 20m

C$ 1,165

LondonDublin

YXU - DUB

YXUDUB

London

Sun 1/6

3:35 p.m.-7:45 a.m.

2 stops35h 10m

C$ 1,184

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

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?

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 17 April 2025.

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.

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

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.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated 17 April 2025.
United Airlines
7.4
Good
8,667 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,667 reviews
United Airlines
7.4
Good
8,667 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
WestJet
7.2
Good
2,809 reviews
United Airlines
7.4
Good
8,667 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.0
Good
9,143 reviews
United Airlines
7.4
Good
8,667 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Lufthansa
6.7
Okay
7,012 reviews
United Airlines
7.4
Good
8,667 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Crew

8.1

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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?

    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 cheapest airlines to fly from London, Ontario to Ireland one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 638. Air Canada flights start at C$ 1,165 while deals on Lufthansa start at C$ 1,184 one-way.

  • 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Ireland

Discover the top airline that operate flights from London to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 842AverageC$ 1,015FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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?

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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