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Cheap flights from Dublin to London Heathrow Airport from $66

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
29 Apr — 6 May1
1 adult

Cheapflights Tip: The best prices from Dublin to London Heathrow are usually found in January or September, booked 48 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

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 April 2025.

Round-trip from

$150

One-way from

$66

Popular in

November

Cheapest in

January

Average price

$250

Good round-trip deal

$181 or less

Good one-way deal

$95 or less
British Airways
  • British Airways
  • 27/9-1/10
  • Nonstop
  • 2h 45m total
  • Dublin to London
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British Airways
  • British Airways
  • 30/7
  • Nonstop
  • 1h 20m total
  • Dublin to London
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Highest demand for flights based on searches. 7% potential increase in price ($28 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Dublin to London Heathrow.
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Price to beat on a one-way flight from Dublin to London Heathrow.
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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 April 2025.

Sat 27/920:10DUB - LHR
Nonstop1h 20mBritish Airways
Wed 1/1016:30LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 24/4$150
Tue 3/620:20DUB - LHR
Nonstop1h 20mMultiple Airlines
Tue 10/607:05LHR - DUB
1 stop11h 55mMultiple Airlines
Deal found 23/4$253
Wed 7/512:00DUB - LHR
Nonstop1h 25mAer Lingus
Sat 10/516:50LHR - DUB
Nonstop1h 25mAer Lingus
Deal found 23/4$266
Tue 10/619:30DUB - LHR
1 stop18h 45mVueling
Wed 18/615:05LHR - DUB
1 stop16h 30mVueling
Deal found 23/4$285
Fri 6/611:45DUB - LHR
1 stop9h 35mScandinavian Airlines
Sat 14/614:20LHR - DUB
1 stop19h 05mScandinavian Airlines
Deal found 24/4$310
Wed 4/605:55DUB - LHR
1 stop4h 50mKLM
Tue 10/606:30LHR - DUB
1 stop3h 55mKLM
Deal found 24/4$343
Wed 11/618:40DUB - LHR
1 stop16h 45mSWISS
Mon 16/618:40LHR - DUB
1 stop17h 30mSWISS
Deal found 23/4$357
Thu 23/1006:05DUB - LHR
1 stop6h 35mLufthansa
Sat 25/1006:30LHR - DUB
1 stop10h 25mLufthansa
Deal found 23/4$422

Cheapflights Fare Finder

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 647,157 searches. Data last updated 24 April 2025.
Use the filters below to find and compare flights from Dublin to London Heathrow Airport that are best for you.

Fly from

Dublin

Fly to

Heathrow

Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 27/9

20:10-21:30

Nonstop1h 20m

London Heathrow

Wed 1/10

16:30-17:55

Nonstop1h 25m

$150

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 3/6

20:20-21:40

Nonstop1h 20m

London Heathrow

Tue 10/6

07:05-19:00

1 stop11h 55m

$253

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 7/5

12:00-13:25

Nonstop1h 25m

London Heathrow

Sat 10/5

16:50-18:15

Nonstop1h 25m

$266

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 10/6

19:30-14:15

1 stop18h 45m

London Heathrow

Wed 18/6

15:05-07:35

1 stop16h 30m

$285

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 18/10

20:05-08:55

1 stop12h 50m

London Heathrow

Tue 21/10

06:40-18:15

1 stop11h 35m

$308

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 4/6

05:55-10:45

1 stop4h 50m

London Heathrow

Tue 10/6

06:30-10:25

1 stop3h 55m

$343

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 11/6

18:40-11:25

1 stop16h 45m

London Heathrow

Mon 16/6

18:40-12:10

1 stop17h 30m

$357

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 30/7

20:20-21:40

Nonstop1h 20m

$66

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 13/5

19:30-14:15

1 stop18h 45m

$94

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 13/5

12:30-13:55

Nonstop1h 25m

$114

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 19 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.

Cheapflights Insights

Everything you need to know about your flight from Dublin to London Heathrow Airport

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 18 April 2025.

The price you pay for your flight from Dublin to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of $1,037). Flying from Dublin to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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 April 2025.

When flying from Dublin to London Heathrow Airport, 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 89% versus a flight in the afternoon.

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 April 2025.

The most flights from DUB to LHR are scheduled on a Wednesday (79 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 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 April 2025.
To help decide which airline to fly from Dublin to London, see what other customers have to say about Aegean Airlines, KLM and LOT. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very Good
736 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very Good
736 reviews
Aegean Airlines
8.1
Very Good
736 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,333 reviews
Aegean Airlines
8.1
Very Good
736 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,066 reviews
Aegean Airlines
8.1
Very Good
736 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
780 reviews
Aegean Airlines
8.1
Very Good
736 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,582 reviews
Aegean Airlines
8.1
Very Good
736 reviews
Check prices

Overall

8.1

Food

7.3

Boarding

7.8

Comfort

7.8

Crew

8.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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?

    Most people fly from Dublin (DUB) if they book a flight from Dublin to London Heathrow. On average, Dublin has 62 outbound flights to London Heathrow per day from 0 airlines. Dublin is conveniently located just 9.2 km from Dublin’s city centre.

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

    According to our current data, British Airways ($150), Aer Lingus ($266), and Vueling ($285) offers the cheapest pricing from Dublin to London Heathrow Airport. British Airways is currently priced 36% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $66. Vueling flights start at $94 while deals on Aer Lingus start at $114 one-way.

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

    Before booking your flight to London Heathrow Airport from Dublin, have a look at the most reliable airlines to get you to your destination on time: Aer Lingus (82%), Air Canada (82%), British Airways( 82%).

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

    Looking for the cheapest flight from Dublin to London Heathrow Airport? While on average our users pay $195, our data indicates the cheapest price to be $48. The most popular route (Dublin - London Heathrow), is priced around $102.

  • 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, October is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of $1,037). Flying from Dublin to London Heathrow Airport in December is currently the most expensive (average of $1,667). 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
Gatwick
Salisbury
Hounslow
Southall
Chatham
Dover
Dorking
Canterbury
Andover
Hayes
Horley

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