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Cheap flights from London, ON to Dublin from C$ 639

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — DUB
1 Sep — 8 Sep1
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 2 August 2026.

Fri 11/910:05 a.m.
YXU
-
DUB
2 stops16h 40m
Air Canada
Fri 18/99:20 a.m.
DUB
-
YXU
1 stop10h 30m
Air Canada
Deal found 28/7C$ 752
Sat 3/106:20 p.m.
YXU
-
DUB
1 stop8h 55m
Air Canada
Wed 7/109:20 a.m.
DUB
-
YXU
1 stop13h 25m
Air Canada
Deal found 31/7C$ 864
Wed 16/95:40 a.m.
YXU
-
DUB
1 stop21h 35m
Multiple Airlines
Wed 23/96:35 p.m.
DUB
-
YXU
2 stops28h 08m
Multiple Airlines
Deal found 2/8C$ 898
Fri 2/103:30 p.m.
YXU
-
DUB
2 stops14h 10m
Air Canada
Tue 6/109:50 a.m.
DUB
-
YXU
1 stop12h 55m
Air Canada
Deal found 29/7C$ 901
Wed 2/910:05 a.m.
YXU
-
DUB
2 stops16h 15m
Air Canada
Tue 8/99:50 a.m.
DUB
-
YXU
1 stop16h 50m
Air Canada
Deal found 2/8C$ 911
Sun 13/93:30 p.m.
YXU
-
DUB
1 stop11h 45m
Air Canada
Sun 20/98:50 a.m.
DUB
-
YXU
2 stops13h 53m
Air Canada
Deal found 30/7C$ 918

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 2 August 2026.

Round-trip from

C$ 864

One-way from

C$ 639
Air Canada
  • Air Canada
  • 3/10-7/10
  • 2 total stops
  • 22h 20m total
  • London to Dublin
Search Deals
10/9
  • 10/9
  • 3 total stops
  • 34h 40m total
  • London to Dublin
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 2 August 2026.
Use the filters below to find and compare flights from London to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonDublin

YXU - DUB

YXUDUB

London

Fri 11/9

10:05 a.m.-7:45 a.m.

2 stops16h 40m

Dublin

Fri 18/9

9:20 a.m.-2:50 p.m.

1 stop10h 30m

C$ 752
Quickest round-trip

LondonDublin

YXU - DUB

YXUDUB

London

Sat 3/10

6:20 p.m.-8:15 a.m.

1 stop8h 55m

Dublin

Wed 7/10

9:20 a.m.-5:45 p.m.

1 stop13h 25m

C$ 864

LondonDublin

YXU - DUB

YXUDUB

London

Wed 16/9

10:05 a.m.-7:45 a.m.

2 stops16h 40m

Dublin

Wed 23/9

6:35 p.m.-5:43 p.m.

2 stops28h 08m

C$ 902

LondonDublin

YXU - DUB

YXUDUB

London

Fri 2/10

3:30 p.m.-10:40 a.m.

2 stops14h 10m

Dublin

Tue 6/10

9:50 a.m.-5:45 p.m.

1 stop12h 55m

C$ 904

LondonDublin

YXU - DUB

YXUDUB

London

Wed 2/9

10:05 a.m.-7:20 a.m.

2 stops16h 15m

Dublin

Tue 8/9

9:50 a.m.-9:40 p.m.

1 stop16h 50m

C$ 911

LondonDublin

YXU - DUB

YXUDUB

London

Mon 7/9

10:05 a.m.-7:20 a.m.

2 stops16h 15m

Dublin

Mon 12/10

11:35 a.m.-9:40 p.m.

2 stops15h 05m

C$ 953

LondonDublin

YXU - DUB

YXUDUB

London

Mon 7/9

3:30 p.m.-10:40 a.m.

2 stops14h 10m

Dublin

Tue 13/10

8:50 a.m.-9:20 a.m.

2 stops29h 30m

C$ 953

LondonDublin

YXU - DUB

YXUDUB

London

Fri 2/10

10:05 a.m.-10:40 a.m.

2 stops19h 35m

Dublin

Tue 6/10

12:30 p.m.-9:40 p.m.

2 stops14h 10m

C$ 953

LondonDublin

YXU - DUB

YXUDUB

London

Sun 13/9

6:20 p.m.-9:45 a.m.

2 stops34h 25m

Dublin

Sun 20/9

12:30 p.m.-2:50 p.m.

2 stops31h 20m

C$ 954
Cheapest one-way

LondonDublin

YXU - DUB

YXUDUB

London

Thu 10/9

6:10 a.m.-10:35 p.m.

2 stops35h 25m

C$ 706

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 11 resultsSorted by cheapest first
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.

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 2 August 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
11,419 reviews
Check prices

Food

6.3

Crew

7.8

Comfort

7.1

Boarding

7.3

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!
Air Canada
7.1
Good
11,419 reviews
Air Canada
7.1
Good
11,419 reviews
Check prices

Food

6.3

Crew

7.8

Comfort

7.1

Boarding

7.3

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
2.0
Mediocre

Lori,May 2026

YYZ - YFC

Didn't land, sent back to Toronto. No food, no accommodation, no help at all!!

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 40m. 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$ 810 on this airline.

  • 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.

See more FAQs

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Swords
Athlone

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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 2 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 810AverageC$ 894FlexibilityNo 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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