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Cheap flights from London, ON to Dublin from C$ 545

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DUB
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 747

One-way from

C$ 545

Popular in

January

Cheapest in

November

Average price

C$ 918
Lufthansa
  • Lufthansa
  • 30/10-6/11
  • 3 total stops
  • 25h 35m total
  • London to Dublin
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29/9
  • 29/9
  • 3 total stops
  • 28h 05m total
  • London to Dublin
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 272 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 66 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from London to Dublin

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 17 September 2025.

Thu 30/105:40 p.m.YXU - DUB
1 stop8h 30mLufthansa
Thu 6/115:00 a.m.DUB - YXU
2 stops17h 05mLufthansa
Deal found 15/9C$ 747
Thu 30/105:40 p.m.YXU - DUB
2 stops18h 45mMultiple Airlines
Thu 6/115:00 a.m.DUB - YXU
2 stops17h 05mMultiple Airlines
Deal found 15/9C$ 790
Thu 30/105:40 p.m.YXU - DUB
2 stops12h 40mUnited Airlines
Thu 6/1110:40 a.m.DUB - YXU
2 stops39h 41mUnited Airlines
Deal found 15/9C$ 805
Thu 25/125:40 p.m.YXU - DUB
1 stop8h 30mMultiple Airlines
Thu 8/15:00 a.m.DUB - YXU
2 stops21h 21mMultiple Airlines
Deal found 17/9C$ 875
Thu 25/125:40 p.m.YXU - DUB
1 stop8h 30mAir Canada
Sun 11/19:00 a.m.DUB - YXU
1 stop17h 21mAir Canada
Deal found 17/9C$ 876
Sat 1/115:40 p.m.YXU - DUB
2 stops33h 50mMultiple Airlines
Sat 8/115:10 a.m.DUB - YXU
2 stops16h 55mMultiple Airlines
Deal found 17/9C$ 915
Thu 25/125:40 p.m.YXU - DUB
1 stop8h 30mMultiple Airlines
Sun 11/19:15 a.m.DUB - YXU
2 stops17h 06mMultiple Airlines
Deal found 17/9C$ 923
Sat 1/115:40 p.m.YXU - DUB
2 stops37h 20mLufthansa
Sat 8/119:15 a.m.DUB - YXU
2 stops17h 06mLufthansa
Deal found 16/9C$ 1,187

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 17 September 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 30/10

5:40 p.m.-6:10 a.m.

1 stop8h 30m

Dublin

Thu 6/11

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

2 stops17h 05m

C$ 747

LondonDublin

YXU - DUB

YXUDUB

London

Thu 30/10

5:40 p.m.-4:25 p.m.

2 stops18h 45m

Dublin

Thu 6/11

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

2 stops17h 05m

C$ 790

LondonDublin

YXU - DUB

YXUDUB

London

Thu 30/10

5:40 p.m.-10:20 a.m.

2 stops12h 40m

Dublin

Thu 6/11

10:40 a.m.-9:21 p.m.

2 stops39h 41m

C$ 805

LondonDublin

YXU - DUB

YXUDUB

London

Thu 25/12

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

1 stop8h 30m

Dublin

Thu 8/1

5:00 a.m.-9:21 p.m.

2 stops21h 21m

C$ 875

LondonDublin

YXU - DUB

YXUDUB

London

Thu 25/12

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

1 stop8h 30m

Dublin

Sun 11/1

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

1 stop17h 21m

C$ 876

LondonDublin

YXU - DUB

YXUDUB

London

Sat 1/11

5:40 p.m.-7:30 a.m.

2 stops33h 50m

Dublin

Sat 8/11

5:10 a.m.-5:05 p.m.

2 stops16h 55m

C$ 915

LondonDublin

YXU - DUB

YXUDUB

London

Thu 25/12

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

1 stop8h 30m

Dublin

Sun 11/1

9:15 a.m.-9:21 p.m.

2 stops17h 06m

C$ 923

LondonDublin

YXU - DUB

YXUDUB

London

Sat 1/11

5:40 p.m.-11:00 a.m.

2 stops37h 20m

Dublin

Sat 8/11

9:15 a.m.-9:21 p.m.

2 stops17h 06m

C$ 1,187

LondonDublin

YXU - DUB

YXUDUB

London

Mon 29/9

6:10 a.m.-3:15 p.m.

3 stops28h 05m

C$ 545

LondonDublin

YXU - DUB

YXUDUB

London

Mon 29/9

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

2 stops57h 00m

C$ 834

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 16 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, January is the cheapest month in which you can book a flight from London, Ontario to Dublin (average of C$ 458). Flying from London, Ontario to Dublin 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 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 17 September 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 at noon, which can drop the price by up to 12% 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 17 September 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
10,000 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Crew

7.8

Boarding

7.3

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
10,000 reviews
Air Canada
7.1
Good
10,000 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Crew

7.8

Boarding

7.3

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 Lufthansa and United Airlines fly from London, Ontario to Dublin in about 8h 30m. The time it takes to get you to your destination can typically vary by up to 4h 10m. 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$ 836 on this airline. Users have found that Air Canada is 15% 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, January is the cheapest month in which you can book a flight from London, Ontario to Dublin (average of C$ 458). Flying from London, Ontario to Dublin 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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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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 836AverageC$ 950FlexibilityNo 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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