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Cheap flights from London, ON to Ireland from C$ 645

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DUB
2 Apr — 9 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 28 March 2025.

Round-trip from

C$ 968

One-way from

C$ 645
Lufthansa
  • Lufthansa
  • 11/5-18/5
  • 3 total stops
  • 25h 43m total
  • London to Ireland
Search Deals
WestJet
  • WestJet
  • 11/5
  • 2 total stops
  • 57h 00m total
  • London to Ireland
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 28 March 2025.

Sun 11/53:35 p.m.YXU - DUB
1 stop11h 40mMultiple Airlines
Sun 18/55:55 a.m.DUB - YXU
2 stops14h 03mMultiple Airlines
Deal found 27/3C$ 968
Fri 4/79:55 a.m.YXU - DUB
2 stops16h 50mLufthansa
Tue 22/79:20 a.m.DUB - YXU
2 stops17h 07mLufthansa
Deal found 27/3C$ 973
Sun 11/53:35 p.m.YXU - DUB
1 stop11h 40mAir Canada
Sun 18/59:50 a.m.DUB - YXU
1 stop10h 08mAir Canada
Deal found 27/3C$ 1,002
Fri 25/43:25 p.m.YXU - DUB
2 stops14h 45mUnited Airlines
Fri 2/512:30 p.m.DUB - YXU
2 stops25h 48mUnited Airlines
Deal found 26/3C$ 1,019
Sun 11/58:00 p.m.YXU - DUB
3 stops33h 00mWestJet
Sun 18/511:30 a.m.DUB - YXU
2 stops22h 44mWestJet
Deal found 27/3C$ 1,329

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 28 March 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 11/5

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

1 stop11h 40m

Dublin

Sun 18/5

5:55 a.m.-2:58 p.m.

2 stops14h 03m

C$ 968

LondonDublin

YXU - DUB

YXUDUB

London

Sun 11/5

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

1 stop11h 40m

Dublin

Sun 18/5

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

1 stop10h 08m

C$ 1,002

LondonDublin

YXU - DUB

YXUDUB

London

Fri 25/4

3:25 p.m.-11:10 a.m.

2 stops14h 45m

Dublin

Fri 2/5

12:30 p.m.-9:18 a.m.

2 stops25h 48m

C$ 1,019

LondonDublin

YXU - DUB

YXUDUB

London

Fri 25/4

3:25 p.m.-8:15 a.m.

1 stop11h 50m

Dublin

Fri 2/5

9:50 a.m.-9:28 p.m.

1 stop16h 38m

C$ 1,149

LondonDublin

YXU - DUB

YXUDUB

London

Sun 11/5

8:00 p.m.-10:00 a.m.

3 stops33h 00m

Dublin

Sun 18/5

11:30 a.m.-5:14 a.m.

2 stops22h 44m

C$ 1,329

LondonDublin

YXU - DUB

YXUDUB

London

Sun 11/5

8:00 p.m.-10:00 a.m.

2 stops57h 00m

C$ 645

LondonDublin

YXU - DUB

YXUDUB

London

Sun 11/5

3:35 p.m.-4:35 p.m.

3 stops20h 00m

C$ 5,074

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

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 28 March 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 28 March 2025.
United Airlines
7.4
Good
8,603 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

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
8,603 reviews
United Airlines
7.4
Good
8,603 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

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
2,788 reviews
United Airlines
7.4
Good
8,603 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

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
8,981 reviews
United Airlines
7.4
Good
8,603 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

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
6,956 reviews
United Airlines
7.4
Good
8,603 reviews
Check prices

Comfort

7.3

Crew

8.1

Food

6.6

Boarding

7.7

Entertainment

7.0

Overall

7.4

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 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

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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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 867AverageC$ 1,026FlexibilityNo 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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