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$38+ Cheap flights from Dublin (DUB) to Heathrow (LHR)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Dublin to London Heathrow are usually found in January or September, booked 78 days in advance, depart on a Friday or Saturday and return on a Friday

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$90
(British Airways)

One-way from

$38
(Mytrip)

Popular in

November

Cheapest in

January

Average price

$136

Good round-trip deal

$169 or less

Good one-way deal

$59 or less
Provider with most accurate pricing for Dublin-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Dublin-London Heathrow flights.
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From Dublin to London Heathrow
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One-way flight from Dublin to London Heathrow
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This British Airways deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/286:15 pmDUB - LHR
Nonstop1h 20mBritish Airways
Mon 3/316:20 amLHR - DUB
Nonstop1h 25mBritish Airways
Deal found 2/19$90
This Mytrip deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/197:45 pmDUB - LHR
Nonstop1h 15mMultiple Airlines
Wed 3/263:15 pmLHR - DUB
1 stop16h 40mMultiple Airlines
Deal found 2/19$135
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/17:45 pmDUB - LHR
Nonstop1h 20mAer Lingus
Tue 3/48:45 pmLHR - DUB
Nonstop1h 20mAer Lingus
Deal found 2/20$141
This KLM deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/71:25 pmDUB - LHR
1 stop5h 50mKLM
Tue 3/118:40 amLHR - DUB
1 stop4h 00mKLM
Deal found 2/19$180
This Air France deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:00 amDUB - LHR
1 stop7h 45mAir France
Sun 3/96:20 amLHR - DUB
1 stop7h 50mAir France
Deal found 2/20$222
This SWISS deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:40 pmDUB - LHR
1 stop18h 20mSWISS
Sat 3/86:40 pmLHR - DUB
1 stop13h 50mSWISS
Deal found 2/19$226
This Vueling Global deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/278:45 amDUB - LHR
1 stop5h 40mVueling
Thu 4/33:05 pmLHR - DUB
1 stop16h 20mVueling
Deal found 2/20$235
This Lufthansa deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/179:00 amDUB - LHR
1 stop6h 40mLufthansa
Tue 5/204:30 pmLHR - DUB
1 stop5h 45mLufthansa
Deal found 2/18$271

Find flights from Dublin to Heathrow within your budget

Customize 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Dublin

Fly to

Heathrow

Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 3/28

6:15 pm-7:35 pm

Nonstop1h 20m

London Heathrow

Mon 3/31

6:20 am-7:45 am

Nonstop1h 25m

$90

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 3/19

7:45 pm-9:00 pm

Nonstop1h 15m

London Heathrow

Wed 3/26

3:15 pm-7:55 am

1 stop16h 40m

$135

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 3/1

7:45 pm-9:05 pm

Nonstop1h 20m

London Heathrow

Tue 3/4

8:45 pm-10:05 pm

Nonstop1h 20m

$141

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 3/7

1:25 pm-7:15 pm

1 stop5h 50m

London Heathrow

Tue 3/11

8:40 am-12:40 pm

1 stop4h 00m

$180

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 3/5

6:00 am-1:45 pm

1 stop7h 45m

London Heathrow

Sun 3/9

6:20 am-2:10 pm

1 stop7h 50m

$222

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 3/5

6:40 pm-1:00 pm

1 stop18h 20m

London Heathrow

Sat 3/8

6:40 pm-8:30 am

1 stop13h 50m

$226

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 3/27

8:45 am-2:25 pm

1 stop5h 40m

London Heathrow

Thu 4/3

3:05 pm-7:25 am

1 stop16h 20m

$235

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 5/17

9:00 am-3:40 pm

1 stop6h 40m

London Heathrow

Tue 5/20

4:30 pm-10:15 pm

1 stop5h 45m

$271

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 4/24

12:40 pm-5:40 pm

1 stop5h 00m

London Heathrow

Sun 4/27

7:30 pm-11:50 am

1 stop16h 20m

$283

DublinLondon

DUB - LHR

DUBLHR

Dublin

Mon 5/12

8:55 pm-10:15 pm

Nonstop1h 20m

$38

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 21 results
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Compare providers for flights from Dublin to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Heathrow in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dublin-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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.

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 round-trip flight from Dublin to Heathrow. Price data was last updated on February 14, 2025.

The best time to book flights from Dublin to London Heathrow Airport is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of $661). Flying from Dublin to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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 February 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Dublin to London Heathrow Airport in the evening. If you’re flexible enough to do this you can expect to save up to 75% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Dublin to Heathrow. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Dublin to London Heathrow Airport flight should consider departing on Tuesday 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 February 20, 2025.

The most flights from DUB to LHR are scheduled on a Thursday (68 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (41 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 February 20, 2025.
See what other customers who have flown with KLM, Austrian Airlines and SWISS from Dublin to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,333 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

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
1,333 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

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
7.6
Good
773 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

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
1,568 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

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.

Air France
7.4
Good
1,449 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

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
1,325 reviews
KLM
7.8
Good
1,333 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

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 50 outbound flights to London Heathrow per day from 2 airlines. Dublin is conveniently located just 5.7 mi from Dublin’s city center.

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

    British Airways, at $90, was found to be the cheapest airline from Dublin to London Heathrow Airport.Alternate airlines to your destination round-trip include Aer Lingus and KLM. These flights start at 38% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $38 on British Airways. Other airlines that offer cheap prices include Aer Lingus from $59 and Vueling from $61 one-way.

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

    Consider LATAM Airlines (77%), Kenya Airways (73%) or British Airways (70%) when booking your flight. These represent the most reliable airlines when flying from Dublin to London Heathrow Airport.

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

    While on average a flight from Dublin to London Heathrow Airport is generally $1,125, our data shows the cheapest flight currently is $40. When looking at the most popular route, (Dublin - London Heathrow), you can expect to pay $110 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 vacation 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, November is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of $661). Flying from Dublin to London Heathrow Airport in June is currently the most expensive (average of $1,136). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Luton
Wembley
Horley
Canterbury
Northampton
Gatwick
Milton Keynes
Dover
Orpington
Watford
Stratford-upon-Avon
Croydon
Borehamwood
Bromley
Folkestone
Ilford

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Alternative routes for Dublin to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Gatwick flights
Cork to Heathrow flights
Shannon to Heathrow flights

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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$77Average$128FlexibilityNo cancel feeOn-time70%
Aer LingusCheapest$116Average$170FlexibilityNo cancel feeOn-timeN/A
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