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Cheap flights from London, ON to Dublin from C$ 515

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DUB
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 28 October 2025.

Thu 11/129:25 a.m.YXU - DUB
2 stops17h 05mUnited Airlines
Thu 18/1212:05 p.m.DUB - YXU
2 stops25h 41mUnited Airlines
Deal found 27/10C$ 1,003
Sun 23/119:25 a.m.YXU - DUB
1 stop16h 45mAir Canada
Sun 30/119:00 a.m.DUB - YXU
1 stop17h 21mAir Canada
Deal found 26/10C$ 1,010
Sun 23/115:40 p.m.YXU - DUB
2 stops19h 05mMultiple Airlines
Sun 30/119:00 a.m.DUB - YXU
1 stop17h 21mMultiple Airlines
Deal found 26/10C$ 1,038
Thu 11/125:40 p.m.YXU - DUB
1 stop8h 30mAir Canada
Thu 18/121:35 p.m.DUB - YXU
2 stops24h 11mAir Canada
Deal found 27/10C$ 1,052
Thu 4/129:25 a.m.YXU - DUB
1 stop16h 45mLufthansa
Sun 7/1212:00 p.m.DUB - YXU
2 stops38h 21mLufthansa
Deal found 28/10C$ 1,152
Thu 4/125:40 p.m.YXU - DUB
1 stop8h 30mAir Canada
Sun 7/129:00 a.m.DUB - YXU
1 stop17h 21mAir Canada
Deal found 28/10C$ 1,186
Fri 12/129:25 a.m.YXU - DUB
2 stops19h 55mUnited Airlines
Fri 19/1212:05 p.m.DUB - YXU
2 stops34h 00mUnited Airlines
Deal found 28/10C$ 1,227
Fri 12/125:40 p.m.YXU - DUB
1 stop8h 30mMultiple Airlines
Fri 19/1210:40 a.m.DUB - YXU
2 stops35h 25mMultiple Airlines
Deal found 28/10C$ 1,236
Thu 4/125:10 a.m.YXU - DUB
2 stops24h 10mMultiple Airlines
Sat 6/124:15 a.m.DUB - YXU
2 stops22h 06mMultiple Airlines
Deal found 28/10C$ 1,481
Fri 12/125:40 p.m.YXU - DUB
1 stop8h 30mAir Canada
Fri 19/129:00 a.m.DUB - YXU
1 stop13h 05mAir Canada
Deal found 28/10C$ 1,520

Cheap 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 28 October 2025.

Round-trip from

C$ 1,003

One-way from

C$ 515

Popular in

January

Cheapest in

November

Average price

C$ 909
United Airlines
  • United Airlines
  • 11/12-18/12
  • 4 total stops
  • 42h 46m total
  • London to Dublin
Search Deals
15/2
  • 15/2
  • 2 total stops
  • 40h 35m total
  • London to Dublin
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 68 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 28 October 2025.
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 11/12

9:25 a.m.-8:10 a.m.

2 stops41h 45m

Dublin

Thu 18/12

12:05 p.m.-8:46 a.m.

2 stops25h 41m

C$ 1,003

LondonDublin

YXU - DUB

YXUDUB

London

Sun 23/11

9:25 a.m.-7:10 a.m.

1 stop16h 45m

Dublin

Sun 30/11

9:00 a.m.-9:21 p.m.

1 stop17h 21m

C$ 1,010

LondonDublin

YXU - DUB

YXUDUB

London

Sun 23/11

5:40 p.m.-5:45 p.m.

2 stops19h 05m

Dublin

Sun 30/11

9:00 a.m.-9:21 p.m.

1 stop17h 21m

C$ 1,038

LondonDublin

YXU - DUB

YXUDUB

London

Thu 11/12

5:40 p.m.-7:10 a.m.

1 stop8h 30m

Dublin

Thu 18/12

1:35 p.m.-8:46 a.m.

2 stops24h 11m

C$ 1,052

LondonDublin

YXU - DUB

YXUDUB

London

Thu 4/12

9:25 a.m.-7:10 a.m.

1 stop16h 45m

Dublin

Sun 7/12

12:00 p.m.-9:21 p.m.

2 stops38h 21m

C$ 1,152

LondonDublin

YXU - DUB

YXUDUB

London

Thu 4/12

5:40 p.m.-7:10 a.m.

1 stop8h 30m

Dublin

Sun 7/12

9:00 a.m.-9:21 p.m.

1 stop17h 21m

C$ 1,186

LondonDublin

YXU - DUB

YXUDUB

London

Fri 12/12

9:25 a.m.-10:20 a.m.

2 stops19h 55m

Dublin

Fri 19/12

12:05 p.m.-5:05 p.m.

2 stops34h 00m

C$ 1,227

LondonDublin

YXU - DUB

YXUDUB

London

Fri 12/12

5:40 p.m.-7:10 a.m.

1 stop8h 30m

Dublin

Fri 19/12

9:00 a.m.-5:05 p.m.

1 stop13h 05m

C$ 1,520

LondonDublin

YXU - DUB

YXUDUB

London

Sun 15/2

8:10 p.m.-5:45 p.m.

2 stops40h 35m

C$ 515

LondonDublin

YXU - DUB

YXUDUB

London

Sun 15/3

8:10 p.m.-9:05 p.m.

2 stops44h 55m

C$ 624

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 14 results
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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$ 298). Flying from London, Ontario to Dublin in December is currently the most expensive (average of C$ 523). 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 DUB?

Find hourly flight availability from London to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 October 2025.

When flying from London, Ontario to Dublin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight in the morning.

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 28 October 2025.
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
10,371 reviews
Check prices

Food

6.3

Crew

7.8

Entertainment

6.8

Comfort

7.1

Boarding

7.3

Overall

7.1

Reviews

1 / 20
10.0
Excellent

janet,Sep 2025

YOW - YYZ

Really appreciated the leg room despite purchasing an economy ticket. Appreciated the extra complimentary wine. Nice touch. Was given immediate support without asking at check in, at the machine!! Ottawa's boarding was very organized with distinct rows in waiting room. Allowed for the main hall to not be blocked by people waiting to board.
Air Canada
7.1
Good
10,371 reviews
Air Canada
7.1
Good
10,371 reviews
Check prices

Food

6.3

Crew

7.8

Entertainment

6.8

Comfort

7.1

Boarding

7.3

Overall

7.1

Reviews

1 / 20
10.0
Excellent

janet,Sep 2025

YOW - YYZ

Really appreciated the leg room despite purchasing an economy ticket. Appreciated the extra complimentary wine. Nice touch. Was given immediate support without asking at check in, at the machine!! Ottawa's boarding was very organized with distinct rows in waiting room. Allowed for the main hall to not be blocked by people waiting to board.

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 United Airlines and Air Canada fly from London, Ontario to Dublin in about 16h 45m. The time it takes to get you to your destination can typically vary by up to 25h. The distance from London, Ontario to Dublin is about 5399 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 822 on this airline. Users have found that Air Canada is 18% 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$ 298). Flying from London, Ontario to Dublin in December is currently the most expensive (average of C$ 523). 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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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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 822AverageC$ 954FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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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