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Cheap flights from London, ON to Dublin from C$ 636

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DUB
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from London to Dublin
Explore the most affordable flight options available from London to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 February 2026.

Thu 5/39:40 a.m.
YXU
-
DUB
1 stop16h 30m
Air Canada
Mon 9/38:00 a.m.
DUB
-
YXU
1 stop13h 05m
Air Canada
Deal found 1/2C$ 744
Tue 14/45:40 p.m.
YXU
-
DUB
1 stop9h 35m
Air Canada
Tue 21/49:50 a.m.
DUB
-
YXU
1 stop12h 13m
Air Canada
Deal found 2/2C$ 761
Fri 17/49:25 a.m.
YXU
-
DUB
2 stops26h 30m
Lufthansa
Fri 24/49:50 a.m.
DUB
-
YXU
1 stop12h 13m
Lufthansa
Deal found 2/2C$ 793
Sat 18/45:40 p.m.
YXU
-
DUB
2 stops12h 00m
Air Canada
Fri 24/49:50 a.m.
DUB
-
YXU
1 stop16h 28m
Air Canada
Deal found 2/2C$ 799
Thu 16/45:40 p.m.
YXU
-
DUB
1 stop9h 35m
Air Canada
Sat 25/48:50 a.m.
DUB
-
YXU
2 stops17h 28m
Air Canada
Deal found 2/2C$ 815
Fri 17/45:40 p.m.
YXU
-
DUB
2 stops12h 00m
Multiple Airlines
Thu 23/48:40 a.m.
DUB
-
YXU
2 stops17h 38m
Multiple Airlines
Deal found 2/2C$ 827
Thu 5/35:40 p.m.
YXU
-
DUB
2 stops11h 40m
United Airlines
Mon 9/312:05 p.m.
DUB
-
YXU
2 stops33h 00m
United Airlines
Deal found 1/2C$ 830

Find flight deals from London to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 February 2026.

Round-trip from

C$ 744

One-way from

C$ 636

Popular in

January

Cheapest in

November
Air Canada
  • Air Canada
  • 5/3-9/3
  • 2 total stops
  • 29h 35m total
  • London to Dublin
Search Deals
10/2
  • 10/2
  • 3 total stops
  • 32h 40m total
  • London to Dublin
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 554 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 128 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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, Cheapflights users made 629,999 searches. Data last updated 5 February 2026.
Use the filters below to find and compare flights from London to Dublin that are best for you.

Fly from

London

Fly to

Dublin

Route

Depart

Return

Price

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$ 750

LondonDublin

YXU - DUB

YXUDUB

London

Thu 16/4

5:10 a.m.-8:15 a.m.

1 stop22h 05m

Dublin

Fri 24/4

9:50 a.m.-9:18 p.m.

1 stop16h 28m

C$ 761

LondonDublin

YXU - DUB

YXUDUB

London

Tue 14/4

5:40 p.m.-8:15 a.m.

1 stop9h 35m

Dublin

Mon 27/4

9:50 a.m.-5:03 p.m.

1 stop12h 13m

C$ 761

LondonDublin

YXU - DUB

YXUDUB

London

Mon 20/4

5:40 p.m.-8:15 a.m.

1 stop9h 35m

Dublin

Fri 24/4

9:50 a.m.-5:03 p.m.

1 stop12h 13m

C$ 761

LondonDublin

YXU - DUB

YXUDUB

London

Tue 14/4

5:40 p.m.-8:15 a.m.

1 stop9h 35m

Dublin

Fri 24/4

9:50 a.m.-5:03 p.m.

1 stop12h 13m

C$ 761

LondonDublin

YXU - DUB

YXUDUB

London

Thu 16/4

5:40 p.m.-8:15 a.m.

1 stop9h 35m

Dublin

Thu 23/4

8:40 a.m.-9:18 p.m.

2 stops17h 38m

C$ 788

LondonDublin

YXU - DUB

YXUDUB

London

Fri 17/4

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

2 stops12h 00m

Dublin

Thu 23/4

9:50 a.m.-9:18 p.m.

1 stop16h 28m

C$ 799

LondonDublin

YXU - DUB

YXUDUB

London

Tue 10/2

9:25 a.m.-11:05 p.m.

3 stops32h 40m

C$ 636

LondonDublin

YXU - DUB

YXUDUB

London

Fri 20/3

5:40 p.m.-9:35 p.m.

3 stops23h 55m

C$ 665

LondonDublin

YXU - DUB

YXUDUB

London

Thu 19/3

8:10 p.m.-9:30 a.m.

2 stops33h 20m

C$ 957

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 13 results
1
2

Best time to book a flight from London to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

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

Currently, February is the cheapest month in which you can book a flight from London, Ontario to Dublin (average of C$ 285). Flying from London, Ontario to Dublin in December is currently the most expensive (average of C$ 605). 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.

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated 5 February 2026.
See what other customers who have flown with Air Canada from London to Dublin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,688 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Food

6.3

Crew

7.8

Overall

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.
Air Canada
7.1
Good
10,688 reviews
Air Canada
7.1
Good
10,688 reviews
Check prices

Entertainment

6.8

Boarding

7.3

Comfort

7.1

Food

6.3

Crew

7.8

Overall

7.1

Reviews

1 / 20
4.0
Okay

Sugith,Jan 2026

YSB - YYZ

Left 2 hours late. Stuck on plane for an hour after boarding before take off.

Related info for your journey

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

  • How long is the flight from London, Ontario to Dublin?

    Airlines like Air Canada fly from London, Ontario to Dublin in about 16h 30m. The time it takes to get you to your destination can typically vary by up to . The distance from London, Ontario to Dublin is about 5399 km.

  • What is the cheapest airline to fly from London, Ontario to Dublin round-trip?

    Our cheapest airline available from London, Ontario to Dublin is Air Canada. Our recent data shows that you can find tickets from as low as C$ 802 on this airline. Users have found that Air Canada is 22% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from London to Dublin?

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

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

    Yes. Cheapflights offers flight deals from London to Dublin 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 Dublin?

    Currently, February is the cheapest month in which you can book a flight from London, Ontario to Dublin (average of C$ 285). Flying from London, Ontario to Dublin in December is currently the most expensive (average of C$ 605). 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

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

Top airline flying from London to Dublin

Discover the top airline that operate flights from London to Dublin. 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 5 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 802AverageC$ 928FlexibilityNo 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 Dublin?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Dublin. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Dublin from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Dublin from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

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

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