Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Dublin to London Heathrow Airport from £22

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
29 Jan — 5 Feb1
1 adult

The best prices from Dublin to London Heathrow are usually found in January or February, booked 78 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Dublin to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Heathrow (LHR). 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 24 January 2025.

Round-trip from

£67

One-way from

£22

Popular in

November

Cheapest in

January

Average price

£91

Good round-trip deal

£367 or less

Good one-way deal

£75 or less
British Airways
  • British Airways
  • 1/3-3/3
  • Nonstop
  • 2h 45m total
  • Dublin to London
British Airways
  • British Airways
  • 8/2
  • Nonstop
  • 1h 20m total
  • Dublin to London
Highest demand for flights based on searches. 11% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in January 2025
Price to beat on a round-trip flight from Dublin to London Heathrow.
Price to beat on a one-way flight from Dublin to London Heathrow.

Find flight deals from Dublin to Heathrow

Cheapest flights from Dublin to Heathrow
Explore the most affordable flight options available from Dublin to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 January 2025.

Wed 12/1113:00DUB - LHR
Nonstop1h 25mBritish Airways
Fri 14/1118:30LHR - DUB
Nonstop1h 20mBritish Airways
Deal found 23/1£67
Fri 28/219:45DUB - LHR
Nonstop1h 20mAer Lingus
Tue 4/320:45LHR - DUB
Nonstop1h 20mAer Lingus
Deal found 23/1£92
Thu 13/312:05DUB - LHR
Nonstop1h 20mMultiple Airlines
Wed 19/306:30LHR - DUB
Nonstop1h 25mMultiple Airlines
Deal found 23/1£106
Sat 1/313:25DUB - LHR
1 stop7h 25mKLM
Mon 3/311:45LHR - DUB
1 stop4h 55mKLM
Deal found 24/1£145
Sat 1/310:20DUB - LHR
1 stop5h 40mScandinavian Airlines
Mon 3/306:40LHR - DUB
1 stop5h 00mScandinavian Airlines
Deal found 23/1£178
Sat 1/305:00DUB - LHR
1 stop7h 45mLufthansa
Mon 3/316:30LHR - DUB
1 stop6h 10mLufthansa
Deal found 23/1£189

Find flights from Dublin to Heathrow within your budget

Customise your flight search to find flights from Dublin to Heathrow 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 858,174 searches. Data last updated 24 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 1/3

20:35-21:55

Nonstop1h 20m

London Heathrow

Mon 3/3

06:30-07:55

Nonstop1h 25m

£67

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 3/3

10:00-11:25

Nonstop1h 25m

London Heathrow

Mon 3/3

20:45-22:05

Nonstop1h 20m

£92

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 13/3

12:05-13:25

Nonstop1h 20m

London Heathrow

Wed 19/3

06:30-07:55

Nonstop1h 25m

£106

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sun 2/3

05:55-12:05

1 stop6h 10m

London Heathrow

Mon 10/3

11:45-16:40

1 stop4h 55m

£144

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 1/3

10:20-16:00

1 stop5h 40m

London Heathrow

Mon 3/3

06:40-11:40

1 stop5h 00m

£178

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 8/2

17:50-19:10

Nonstop1h 20m

£22

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 12/2

19:45-21:00

Nonstop1h 15m

£48

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 27/2

08:45-14:25

1 stop5h 40m

£52

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 13/3

13:25-20:50

1 stop7h 25m

£55

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 25/3

14:35-22:00

1 stop7h 25m

£57

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 16 results
1
2

Best time to book a flight from Dublin to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Dublin with our price prediction graph.
Estimated return 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.

Travel insights for flights from Dublin to Heathrow

Get recent, data-driven insights about flights from Dublin to Heathrow including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Dublin to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Dublin to Heathrow. Price data was last updated on 17 January 2025.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Dublin to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of £112). Flying from Dublin to London Heathrow Airport in August is currently the most expensive (average of £161). 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 DUB to LHR?

Find hourly flight availability from Dublin to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 January 2025.

One of the essential ways to save on airfare from Dublin to London Heathrow Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 79% on airfare.

What is the cheapest day to fly from Dublin to London Heathrow Airport?

Use this chart to determine the cheapest time to fly return from Dublin to Heathrow. Price data was last updated on 21 January 2025.

Travellers seeking maximum savings on their Dublin to London Heathrow Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dublin to London Heathrow Airport

Explore weekly flight availability from Dublin to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 24 January 2025.

The most flights from DUB to LHR are scheduled on a Thursday (68 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (47 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 24 January 2025.
Get a feel of what it's like to fly with KLM, Scandinavian Airlines and British Airways from Dublin to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.8
Good
1,337 reviews

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.8
Good
1,337 reviews
7.8
Good
1,337 reviews

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.5
Good
786 reviews
7.8
Good
1,337 reviews

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.5
Good
1,597 reviews
7.8
Good
1,337 reviews

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.3
Good
1,317 reviews
7.8
Good
1,337 reviews

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.1
Good
1,180 reviews
7.8
Good
1,337 reviews

Crew

8.4

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.2

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Dublin to London Heathrow?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to London Heathrow from Dublin. Booking flights from Dublin (DUB) to London Heathrow should be relatively easy as there are 56 daily outbound flights to London Heathrow from 2 different airlines.

  • What are the cheapest airlines flying from Dublin to London Heathrow Airport round-trip?

    Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at £67. Additional return tickets that might be worth considering are offered by Aer Lingus and KLM, with the lowest prices starting at £92 and £144, respectively. Users have found that British Airways is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Dublin to London Heathrow Airport one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £22. However, be on the lookout for offers from Aer Lingus and Vueling, as they are both options that can get you from Dublin to London Heathrow Airport for a low price.

  • What are the most reliable airlines from Dublin to London Heathrow Airport?

    The top 3 most reliable airlines when flying from Dublin to London Heathrow Airport are LATAM Airlines (60%), Kenya Airways (56%) and Qatar Airways (54%).

  • What are the cheapest flights from Dublin to London Heathrow Airport?

    While on average a flight from Dublin to London Heathrow Airport is generally £1,028, our data shows the cheapest flight currently is £46. When looking at the most popular route, (Dublin - London Heathrow), you can expect to pay £67 for that flight.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of £112). Flying from Dublin to London Heathrow Airport in August is currently the most expensive (average of £161). 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

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Deal
Hounslow
Gatwick
Croydon
Milton Keynes
Slough
Luton
Ilford
Hayes
Eastbourne
Northampton
Swindon
Maidstone
Crawley
Winchester
Southend-on-Sea
Wembley
Ipswich
Watford
Southall

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 2 airlines flying from Dublin to Heathrow

Discover the top 2 airlines that operate flights from Dublin to Heathrow. 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 858,174 searches. Data last updated 24 January 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£61Average£99FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapest£93Average£144FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dublin to Heathrow?

Cheapflights makes it easy to find Dublin to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Dublin.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dublin to Heathrow flexibly with Cheapflights today.

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

Yes! Start tracking prices for Dublin to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.