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Cheap flights from Dublin to London Heathrow Airport from C$ 43

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
25 Nov — 2 Dec1
1 adult

The best prices from Dublin to London Heathrow are usually found in January or February, booked 63 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

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 645,034 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 25/3

10:55 a.m.-12:30 p.m.

Nonstop1h 35m

London Heathrow

Wed 2/4

8:20 p.m.-9:45 p.m.

Nonstop1h 25m

C$ 105

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 9/1

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

1 stop5h 50m

London Heathrow

Mon 13/1

10:00 a.m.-4:40 p.m.

1 stop6h 40m

C$ 253

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sun 1/12

6:40 a.m.-8:05 a.m.

Nonstop1h 25m

London Heathrow

Tue 3/12

7:50 a.m.-9:10 a.m.

Nonstop1h 20m

C$ 272

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 6/2

12:55 p.m.-5:50 p.m.

1 stop4h 55m

London Heathrow

Mon 10/2

11:30 a.m.-4:40 p.m.

1 stop5h 10m

C$ 328

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 25/3

6:40 p.m.-4:20 p.m.

1 stop21h 40m

London Heathrow

Wed 2/4

7:00 a.m.-6:00 p.m.

2 stops11h 00m

C$ 339

DublinLondon

DUB - LHR

DUBLHR

Dublin

Sat 8/3

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

1 stop5h 45m

London Heathrow

Sun 9/3

8:30 a.m.-4:40 p.m.

1 stop8h 10m

C$ 343

DublinLondon

DUB - LHR

DUBLHR

Dublin

Thu 12/12

8:45 a.m.-2:25 p.m.

1 stop5h 40m

London Heathrow

Fri 13/12

3:15 p.m.-9:05 a.m.

1 stop17h 50m

C$ 391

DublinLondon

DUB - LHR

DUBLHR

Dublin

Fri 31/1

11:50 a.m.-9:40 p.m.

2 stops9h 50m

London Heathrow

Sun 2/2

6:00 a.m.-4:40 p.m.

2 stops10h 40m

C$ 421

DublinLondon

DUB - LHR

DUBLHR

Dublin

Tue 3/12

6:00 a.m.-9:25 p.m.

1 stop15h 25m

London Heathrow

Sat 7/12

7:35 p.m.-8:05 a.m.

1 stop12h 30m

C$ 433

DublinLondon

DUB - LHR

DUBLHR

Dublin

Wed 2/4

7:45 a.m.-9:15 a.m.

Nonstop1h 30m

C$ 43

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 21 results
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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 20 November 2024.

Round-trip from

C$ 105

One-way from

C$ 43

Popular in

November

Cheapest in

January
British Airways
  • British Airways
  • 1/2-3/2
  • Nonstop
  • 2h 45m total
  • Dublin to London
Search Deals
British Airways
  • British Airways
  • 2/4
  • Nonstop
  • 1h 30m total
  • Dublin to London
Search Deals
High demand for flights, 16% potential price rise
Search Deals
Best time to find cheap flights, 31% potential price drop
Search Deals

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 20 November 2024.

Sat 7/128:35 p.m.DUB - LHR
Nonstop1h 20mBritish Airways
Sun 8/128:25 a.m.LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 20/11C$ 127
Sat 23/117:45 p.m.DUB - LHR
Nonstop1h 20mAer Lingus
Sun 24/117:50 a.m.LHR - DUB
Nonstop1h 20mAer Lingus
Deal found 20/11C$ 231
Fri 6/121:25 p.m.DUB - LHR
1 stop5h 50mKLM
Tue 10/128:40 a.m.LHR - DUB
1 stop4h 00mKLM
Deal found 20/11C$ 304
Sat 23/114:40 p.m.DUB - LHR
1 stop4h 45mMultiple Airlines
Sun 24/116:30 a.m.LHR - DUB
1 stop6h 10mMultiple Airlines
Deal found 20/11C$ 339
Thu 12/128:45 a.m.DUB - LHR
1 stop5h 40mVueling
Fri 13/123:15 p.m.LHR - DUB
1 stop17h 50mVueling
Deal found 20/11C$ 391
Mon 2/126:40 p.m.DUB - LHR
2 stops13h 35mSWISS
Wed 11/125:10 p.m.LHR - DUB
1 stop18h 55mSWISS
Deal found 19/11C$ 396
Tue 3/126:00 a.m.DUB - LHR
1 stop15h 25mAir France
Sat 7/127:35 p.m.LHR - DUB
1 stop12h 30mAir France
Deal found 20/11C$ 433
Wed 27/118:30 a.m.DUB - LHR
1 stop6h 15mLufthansa
Wed 27/115:30 p.m.LHR - DUB
1 stop5h 10mLufthansa
Deal found 20/11C$ 472
Tue 3/125:25 p.m.DUB - LHR
2 stops17h 00mAustrian Airlines
Sat 7/127:25 p.m.LHR - DUB
2 stops15h 25mAustrian Airlines
Deal found 20/11C$ 503

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 15 November 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 63 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$ 877). 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 20 November 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 21% 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 20 November 2024.

The most flights from DUB to LHR are scheduled on a Tuesday (67 on average). You will have fewer flight options on Friday, 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 20 November 2024.
To help decide which airline to fly from Dublin to London, see what other customers have to say about Aer Lingus, Austrian Airlines and British Airways. 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
1,350 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.9

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,350 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.9

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Austrian Airlines
7.6
Good
805 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.9

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

SWISS
7.6
Good
1,637 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.9

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Air France
7.4
Good
1,523 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.9

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Scandinavian Airlines
7.3
Good
1,301 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Entertainment

7.2

Comfort

7.7

Overall

7.8

Food

7.3

Boarding

7.9

Crew

8.4

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

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 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$ 105 on this airline. Additional options worth looking into are Aer Lingus and KLM, starting at C$ 221 and C$ 253 round-trip. These flights start at 46% 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$ 43. 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: Aer Lingus (65%), British Airways (64%), Air Canada( 61%).

  • 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$ 948, our data indicates the cheapest price to be C$ 54. The most popular route (Dublin - London Heathrow), is priced around C$ 585.

  • 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$ 877). 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

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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 645,034 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 101AverageC$ 180FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Aer LingusCheapestC$ 166AverageC$ 250FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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

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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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