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Cheap flights from Dublin to London Heathrow Airport from $64

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
4 Feb — 11 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 Thursday or Monday 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 30 January 2025.

Round-trip from

$122

One-way from

$64

Popular in

November

Cheapest in

January

Average price

$181

Good round-trip deal

$180 or less

Good one-way deal

$100 or less
British Airways
  • British Airways
  • 22/3-31/3
  • Nonstop
  • 2h 45m total
  • Dublin to London
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British Airways
  • British Airways
  • 25/3
  • Nonstop
  • 1h 20m total
  • Dublin to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average return price).
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Average for round-trip flights in January 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 30 January 2025.

Sat 22/320:35DUB - LHR
Nonstop1h 20mBritish Airways
Mon 31/306:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/1$122
Sat 1/319:45DUB - LHR
Nonstop1h 20mAer Lingus
Wed 5/307:50LHR - DUB
Nonstop1h 20mAer Lingus
Deal found 29/1$156
Sat 8/306:00DUB - LHR
1 stop4h 30mMultiple Airlines
Mon 10/315:45LHR - DUB
1 stop6h 20mMultiple Airlines
Deal found 29/1$287
Fri 28/205:55DUB - LHR
1 stop4h 50mKLM
Mon 3/317:50LHR - DUB
1 stop4h 15mKLM
Deal found 29/1$289
Mon 1/908:55DUB - LHR
1 stop6h 45mLufthansa
Fri 5/911:30LHR - DUB
1 stop5h 20mLufthansa
Deal found 29/1$310
Tue 22/719:05DUB - LHR
1 stop19h 10mVueling
Tue 12/815:05LHR - DUB
1 stop17h 05mVueling
Deal found 29/1$340
Wed 26/318:40DUB - LHR
1 stop21h 40mSWISS
Mon 31/319:15LHR - DUB
2 stops16h 55mSWISS
Deal found 29/1$364
Wed 26/312:10DUB - LHR
2 stops9h 30mAustrian Airlines
Tue 1/410:25LHR - DUB
2 stops11h 50mAustrian Airlines
Deal found 29/1$441
Fri 18/712:35DUB - LHR
1 stop6h 15mEurowings
Sun 20/708:05LHR - DUB
1 stop6h 25mEurowings
Deal found 29/1$546

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 647,157 searches. Data last updated 30 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 22/3

20:35-21:55

Nonstop1h 20m

London Heathrow

Mon 31/3

06:20-07:45

Nonstop1h 25m

$122

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 1/3

19:45-21:05

Nonstop1h 20m

London Heathrow

Wed 5/3

07:50-09:10

Nonstop1h 20m

$156

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 8/3

06:00-10:30

1 stop4h 30m

London Heathrow

Mon 10/3

15:45-22:05

1 stop6h 20m

$287

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 28/2

05:55-10:45

1 stop4h 50m

London Heathrow

Mon 3/3

17:50-22:05

1 stop4h 15m

$289

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 22/7

19:05-14:15

1 stop19h 10m

London Heathrow

Tue 12/8

15:05-08:10

1 stop17h 05m

$340

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 21/3

11:50-17:45

1 stop5h 55m

London Heathrow

Mon 24/3

16:30-22:40

1 stop6h 10m

$347

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 26/3

18:40-16:20

1 stop21h 40m

London Heathrow

Mon 31/3

19:15-12:10

2 stops16h 55m

$364

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 26/3

12:10-21:40

2 stops9h 30m

London Heathrow

Tue 1/4

10:25-22:15

2 stops11h 50m

$441

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 18/7

12:35-18:50

1 stop6h 15m

London Heathrow

Sun 20/7

08:05-14:30

1 stop6h 25m

$546

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 25/3

14:55-16:15

Nonstop1h 20m

$64

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 21 results
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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 24 January 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 78 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 30 January 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.

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 26 January 2025.

Travellers seeking maximum savings on their Dublin to London Heathrow Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday mornings 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 30 January 2025.

The most flights from DUB to LHR are scheduled on a Tuesday (65 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 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 30 January 2025.
To help decide which airline to fly from Dublin to London, see what other customers have to say about KLM, Austrian Airlines and SWISS. 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.
KLM
7.8
Good
1,335 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

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.

KLM
7.8
Good
1,335 reviews
KLM
7.8
Good
1,335 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

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.

Austrian Airlines
7.5
Good
786 reviews
KLM
7.8
Good
1,335 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

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.

SWISS
7.5
Good
1,586 reviews
KLM
7.8
Good
1,335 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

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.

Turkish Airlines
7.3
Good
3,913 reviews
KLM
7.8
Good
1,335 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

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.

Scandinavian Airlines
7.3
Good
1,315 reviews
KLM
7.8
Good
1,335 reviews
Check prices

Boarding

7.8

Overall

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

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?

    Most people fly from Dublin (DUB) if they book a flight from Dublin to London Heathrow. On average, Dublin has 48 outbound flights to London Heathrow per day from 1 airline. 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 ($122), Aer Lingus ($156), and KLM ($289) offers the cheapest pricing from Dublin to London Heathrow Airport. British Airways is currently priced 46% 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 $64. Aer Lingus flights start at $77 while deals on Vueling 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: LATAM Airlines (60%), Kenya Airways (56%), Qatar Airways( 54%).

  • 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 $2,114, our data indicates the cheapest price to be $54. The most popular route (Dublin - London Heathrow), is priced around $104.

  • 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
Cirencester
Hayes
Horley

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Top airline flying from Dublin to Heathrow

Discover the top airline 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 647,157 searches. Data last updated 30 January 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$98Average$208FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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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?

Cheapflights helps you find that perfect flight to Heathrow from Dublin 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 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, Cheapflights offers price alerts on Dublin to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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