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Cheap flights from Dublin to London Heathrow Airport from C$ 47

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
23 Dec — 30 Dec1
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 Wednesday and return on a Monday

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 18 December 2024.

Round-trip from

C$ 127

One-way from

C$ 47

Popular in

November

Cheapest in

January

Average price

C$ 244
British Airways
  • British Airways
  • 25/3-2/4
  • Nonstop
  • 2h 45m total
  • Dublin to London
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British Airways
  • British Airways
  • 11/3
  • Nonstop
  • 1h 20m total
  • Dublin to London
Search Deals
High demand for flights, 13% potential price rise
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Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
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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 18 December 2024.

Sat 21/125:50 p.m.DUB - LHR
Nonstop1h 20mBritish Airways
Wed 1/16:30 a.m.LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 18/12C$ 214
Mon 23/125:55 a.m.DUB - LHR
1 stop4h 50mKLM
Thu 26/1211:45 a.m.LHR - DUB
1 stop4h 55mKLM
Deal found 18/12C$ 346
Thu 19/128:45 a.m.DUB - LHR
1 stop5h 40mVueling
Fri 31/13:15 p.m.LHR - DUB
1 stop17h 50mVueling
Deal found 17/12C$ 381
Thu 26/1210:45 a.m.DUB - LHR
1 stop10h 15mMultiple Airlines
Wed 1/19:00 a.m.LHR - DUB
1 stop5h 20mMultiple Airlines
Deal found 18/12C$ 446
Sat 21/125:10 p.m.DUB - LHR
1 stop15h 05mSWISS
Tue 31/126:00 a.m.LHR - DUB
1 stop6h 05mSWISS
Deal found 18/12C$ 478
Thu 26/1210:45 a.m.DUB - LHR
1 stop8h 50mLufthansa
Fri 27/128:45 a.m.LHR - DUB
1 stop8h 30mLufthansa
Deal found 18/12C$ 531
Fri 20/128:30 a.m.DUB - LHR
2 stops10h 10mAustrian Airlines
Tue 7/16:00 a.m.LHR - DUB
2 stops17h 10mAustrian Airlines
Deal found 17/12C$ 560
Wed 18/126:40 a.m.DUB - LHR
Nonstop1h 25mAer Lingus
Sat 21/128:45 p.m.LHR - DUB
Nonstop1h 20mAer Lingus
Deal found 17/12C$ 646

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 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 25/3

2:55 p.m.-4:15 p.m.

Nonstop1h 20m

London Heathrow

Wed 2/4

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

Nonstop1h 25m

C$ 127

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 15/1

8:55 a.m.-10:20 a.m.

Nonstop1h 25m

London Heathrow

Tue 21/1

5:45 p.m.-7:05 p.m.

Nonstop1h 20m

C$ 194

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 8/3

5:50 p.m.-7:10 p.m.

Nonstop1h 20m

London Heathrow

Mon 10/3

8:10 p.m.-7:00 a.m.

1 stop10h 50m

C$ 201

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 16/1

1:25 p.m.-7:15 p.m.

1 stop5h 50m

London Heathrow

Thu 23/1

5:50 p.m.-10:05 p.m.

1 stop4h 15m

C$ 257

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 8/1

12:55 p.m.-7:15 p.m.

1 stop6h 20m

London Heathrow

Fri 17/1

6:00 a.m.-11:55 a.m.

1 stop5h 55m

C$ 346

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 22/3

5:00 a.m.-10:45 a.m.

1 stop5h 45m

London Heathrow

Sun 23/3

5:30 p.m.-10:40 p.m.

1 stop5h 10m

C$ 350

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 21/2

5:25 p.m.-8:20 a.m.

2 stops14h 55m

London Heathrow

Sun 23/2

1:55 p.m.-11:00 a.m.

2 stops21h 05m

C$ 428

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 11/3

2:55 p.m.-4:15 p.m.

Nonstop1h 20m

C$ 47

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 16/1

3:30 p.m.-4:50 p.m.

Nonstop1h 20m

C$ 90

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 18/1

11:00 a.m.-6:15 p.m.

1 stop7h 15m

C$ 91

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 20 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 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 13 December 2024.

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, January is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of C$ 560). Flying from Dublin to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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 18 December 2024.

A simple way to save on the total cost of your ticket is to fly from Dublin to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking 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 18 December 2024.

The most flights from DUB to LHR are scheduled on a Wednesday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 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 mm 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 18 December 2024.
To help decide which airline to fly from Dublin to London, see what other customers have to say about British Airways, KLM 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
1,349 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,349 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Austrian Airlines
7.6
Good
787 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

SWISS
7.6
Good
1,606 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Air France
7.4
Good
1,504 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Scandinavian Airlines
7.3
Good
1,309 reviews
KLM
7.8
Good
1,349 reviews
Check prices

Comfort

7.7

Overall

7.8

Entertainment

7.2

Boarding

7.9

Crew

8.4

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

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 47 outbound flights to London Heathrow per day from 2 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?

    Our cheapest airline available from Dublin to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as C$ 127 on this airline. Additional options worth looking into are Aer Lingus and KLM, starting at C$ 170 and C$ 257 round-trip. These flights start at 37% 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?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as C$ 47. Users have also found prices from C$ 90 and C$ 91 on Aer Lingus and Iberia, respectively.

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

    Before booking your flight to London Heathrow Airport from Dublin, check out the most reliable airlines to get you to your destination on time: Qatar Airways (65%), Aer Lingus (64%), British Airways( 64%).

  • 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 C$ 1,184, our data indicates the cheapest price to be C$ 68. The most popular route (Dublin - London Heathrow), is priced around C$ 597.

  • 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, January is the cheapest month in which you can book a flight from Dublin to London Heathrow Airport (average of C$ 560). Flying from Dublin to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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

Browse thousands of different options on Cheapflights for your next trip

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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

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 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 109AverageC$ 181FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapestC$ 170AverageC$ 240FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

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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.

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