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Cheap flights from Dublin to London from C$ 65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to London departing on 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

British Airways Logo
8:50 a.m. - 10:25 a.m.DUB-LHR
1h 35mdirect
British Airways Logo
6:30 a.m. - 7:55 a.m.LHR-DUB
1h 25mdirect
C$ 137British Airways
Find Deal
Wed, 10 Dec - Thu, 11 Dec
British Airways Logo
10:50 a.m. - 12:30 p.m.DUB-LHR
1h 40mdirect
British Airways Logo
5:55 p.m. - 7:20 p.m.LHR-DUB
1h 25mdirect
C$ 142British Airways
Find Deal
Wed, 17 Sep - Sat, 20 Sep
British Airways Logo
10:55 a.m. - 12:30 p.m.DUB-LHR
1h 35mdirect
British Airways Logo
6:05 p.m. - 7:30 p.m.LHR-DUB
1h 25mdirect
C$ 144British Airways
Find Deal
Wed, 17 Sep - Wed, 17 Sep
British Airways Logo
10:25 a.m. - 12:00 p.m.DUB-LHR
1h 35mdirect
British Airways Logo
6:15 a.m. - 7:40 a.m.LHR-DUB
1h 25mdirect
C$ 145British Airways
Find Deal
Tue, 23 Sep - Sat, 27 Sep
British Airways Logo
10:25 a.m. - 12:00 p.m.DUB-LHR
1h 35mdirect
British Airways Logo
4:30 p.m. - 6:00 p.m.LHR-DUB
1h 30mdirect
C$ 147British Airways
Find Deal
Tue, 23 Sep - Thu, 25 Sep
British Airways Logo
8:40 p.m. - 10:00 p.m.DUB-LHR
1h 20mdirect
British Airways Logo
1:35 p.m. - 3:05 p.m.LHR-DUB
1h 30mdirect
C$ 148British Airways
Find Deal
Sat, 17 Jan - Mon, 19 Jan
British Airways Logo
8:40 p.m. - 10:00 p.m.DUB-LHR
1h 20mdirect
British Airways Logo
6:30 a.m. - 7:55 a.m.LHR-DUB
1h 25mdirect
C$ 149British Airways
Find Deal
Sat, 1 Nov - Mon, 3 Nov
British Airways Logo
12:45 p.m. - 2:15 p.m.DUB-LHR
1h 30mdirect
British Airways Logo
6:15 a.m. - 7:40 a.m.LHR-DUB
1h 25mdirect
C$ 151British Airways
Find Deal
Mon, 20 Oct - Wed, 22 Oct
Aer Lingus Logo
7:00 p.m. - 8:20 p.m.DUB-LHR
1h 20mdirect
Aer Lingus Logo
3:50 p.m. - 5:15 p.m.LHR-DUB
1h 25mdirect
C$ 176Aer Lingus
Find Deal
Sat, 6 Sep - Sat, 13 Sep
Logo
6:30 a.m. - 8:00 a.m.DUB-LHR
1h 30mdirect
Logo
6:05 p.m. - 7:30 p.m.LHR-DUB
1h 25mdirect
C$ 212
Find Deal
Sun, 31 Aug - Wed, 10 Sep

British Airways flights from Dublin to London Heathrow Airport

Our best British Airways deals on Dublin to London Heathrow Airport flight tickets
British Airways
10 Dec
DUB8:50 a.m.Dublin
1h 35m
LHR10:25 a.m.London Heathrow
11 Dec
LHR6:30 a.m.London Heathrow
1h 25m
DUB7:55 a.m.Dublin
C$ 137
Find similar
British Airways
17 Sep
DUB10:50 a.m.Dublin
1h 40m
LHR12:30 p.m.London Heathrow
20 Sep
LHR5:55 p.m.London Heathrow
1h 25m
DUB7:20 p.m.Dublin
C$ 142
Find similar
British Airways
17 Sep
DUB10:55 a.m.Dublin
1h 35m
LHR12:30 p.m.London Heathrow
17 Sep
LHR6:05 p.m.London Heathrow
1h 25m
DUB7:30 p.m.Dublin
C$ 144
Find similar

SWISS flights from Dublin to London Heathrow Airport

Our best SWISS deals on Dublin to London Heathrow Airport flight tickets
SWISS
4 Aug
DUB7:50 p.m.Dublin
12h 25m
1 stop
LHR8:15 a.m.London Heathrow
19 Aug
LHR8:05 p.m.London Heathrow
12h 15m
1 stop
DUB8:20 a.m.Dublin
C$ 372
Find similar
SWISS
13 Aug
DUB9:00 a.m.Dublin
7h 25m
1 stop
LHR4:25 p.m.London Heathrow
18 Aug
LHR6:40 p.m.London Heathrow
17h 30m
1 stop
DUB12:10 p.m.Dublin
C$ 394
Find similar
SWISS
3 Aug
DUB7:50 p.m.Dublin
12h 25m
1 stop
LHR8:15 a.m.London Heathrow
19 Aug
LHR8:05 p.m.London Heathrow
12h 15m
1 stop
DUB8:20 a.m.Dublin
C$ 444
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to London Heathrow Airport 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, momondo users made 96,600 searches. Data last updated 2 August 2025.
Use the filters below to find and compare flights from Dublin to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 10/12

8:50 a.m.-10:25 a.m.

Nonstop1h 35m

London Heathrow

Thu 11/12

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

C$ 137

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 17/9

10:50 a.m.-12:30 p.m.

Nonstop1h 40m

London Heathrow

Sat 20/9

5:55 p.m.-7:20 p.m.

Nonstop1h 25m

C$ 142

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 17/9

10:55 a.m.-12:30 p.m.

Nonstop1h 35m

London Heathrow

Wed 17/9

6:05 p.m.-7:30 p.m.

Nonstop1h 25m

C$ 144

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 23/9

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

London Heathrow

Sat 27/9

6:15 a.m.-7:40 a.m.

Nonstop1h 25m

C$ 145

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 23/9

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

London Heathrow

Thu 25/9

4:30 p.m.-6:00 p.m.

Nonstop1h 30m

C$ 147

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 17/1

8:40 p.m.-10:00 p.m.

Nonstop1h 20m

London Heathrow

Mon 19/1

1:35 p.m.-3:05 p.m.

Nonstop1h 30m

C$ 148

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 1/11

8:40 p.m.-10:00 p.m.

Nonstop1h 20m

London Heathrow

Mon 3/11

6:30 a.m.-7:55 a.m.

Nonstop1h 25m

C$ 149

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 20/10

12:45 p.m.-2:15 p.m.

Nonstop1h 30m

London Heathrow

Wed 22/10

6:15 a.m.-7:40 a.m.

Nonstop1h 25m

C$ 151

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 6/9

7:00 p.m.-8:20 p.m.

Nonstop1h 20m

London Heathrow

Sat 13/9

3:50 p.m.-5:15 p.m.

Nonstop1h 25m

C$ 176

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sun 31/8

6:30 a.m.-8:00 a.m.

Nonstop1h 30m

London Heathrow

Wed 10/9

6:05 p.m.-7:30 p.m.

Nonstop1h 25m

C$ 212

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Dublin to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Dublin and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Dublin, with most prices found around C$ 178. If you aren’t able to travel to London Heathrow Airport during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 188.

What is the cheapest day to depart on your flight to London Heathrow Airport?

According to our data, Thursday is the cheapest day to fly to London Heathrow Airport from Dublin. The lowest ticket price found for a Thursday departure recently was C$ 744. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to London Heathrow Airport for around C$ 1,246.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

Our data shows that the cheapest Dublin to London Heathrow Airport flights are usually those with departure times in the evening. Our users have found flights to London Heathrow Airport in the evening for as low as C$ 310. At noon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,227 per ticket.

What is the cheapest Dublin to London Heathrow flight route?

Fly from Dublin to London Heathrow for the best Dublin - London Heathrow flight prices

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 218 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Dublin for as low as C$ 147 on momondo.

What cabin class options are available on Dublin to London Heathrow flights?

There are 3 cabin classes available to choose from on Dublin to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Dublin to London Heathrow Airport flight prices changed over time?

As of August 2025, prices for Dublin to London Heathrow Airport flights are approximately 92% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dublin to London Heathrow Airport (DUB to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to London Heathrow Airport

Best price found

C$ 65

Fastest flight time

1h 20m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Dublin in the past 72 hours is C$ 65. The best round-trip flight deal from Dublin to London Heathrow Airport found on momondo in the last 72 hours is C$ 137.
The fastest flight from Dublin to London Heathrow Airport takes 1h 20m
Direct flights go from Dublin to London Heathrow Airport every day.
Search flight deals

  • How far is Dublin to London Heathrow by plane?

    Dublin and London Heathrow are 445.0 km apart from one another. Typically, this will take 1h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Dublin Airport to London Heathrow Airport?

    Prices for flights from Dublin Airport to London Heathrow Airport were last updated today.

  • How many operators does momondo search for flights from Dublin Airport to London Heathrow Airport?

  • How old do you have to be to fly from Dublin Airport to London Heathrow Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dublin Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to London Heathrow Airport?

  • What is the most popular airline from Dublin to London Heathrow Airport?

Best airlines flying from Dublin to London Heathrow Airport

Compare and see reviews for airlines that fly from Dublin to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom C$ 127Free CancellationRating
6.6
7,224 reviews
Search British Airways flights
Aer LingusPriceFrom C$ 164Free CancellationRating
7.1
1,193 reviews
Search Aer Lingus flights

  • Aer Lingus Flights From Dublin to London Heathrow Airport

    Across 88 Aer Lingus flights from Dublin to London Heathrow Airport this week, the average price was C$ 193, with the best Aer Lingus deals starting from C$ 119 round-trip. 1,193 users have rated Aer Lingus on momondo, with an average score of 7.1/10.

  • British Airways Flights From Dublin to London Heathrow Airport

    British Airways (6.6/10 from 7,224 reviews) operates around 93 flights from Dublin to London Heathrow Airport in any given week. The average British Airways airfare for this route is around C$ 120, with deals from around C$ 92 rare but found on momondo. Referenced prices are for round-trip Dublin to London Heathrow Airport flight searches in the last 72 hours.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Ipswich
Hounslow
Gatwick
Dartford
Poole
Canterbury
Crawley
Ilford
Wembley
Maidstone
Swindon
Chelmsford
Wokingham
Stratford-upon-Avon
Feltham
Uxbridge
Waterlooville
Newport
Basingstoke
Milton Keynes

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dublin to London for you.

Can I find flights from Dublin to London with flexible booking policies on momondo?

All flight searches from Dublin to London on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Dublin to London?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to London.

I’m not ready to book a flight from Dublin to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Dublin are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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