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Cheap flights from Ireland to the United Kingdom from £21

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to the United Kingdom departing on 18/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DUB — LHR
5 Mar — 12 Mar1
1 adult
Tue 5/3
Tue 12/3

How far in advance should I book a flight from Ireland to United Kingdom?

Travelers have found it’s best to book a flight 61 days in advance to save up to 213% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ireland to United Kingdom 1-2 weeks in advance for as low as £49, or £104 for flights within the next 24 hours.

What is the cheapest month to fly from Ireland to United Kingdom?

Flights from Ireland to United Kingdom lean towards being more expensive in June. Prices are generally better when you fly from Ireland to United Kingdom in January, with the cheapest ticket starting at £16.

When is the cheapest time to fly from Ireland to United Kingdom (IE - GB)?

When flying from Ireland to United Kingdom, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap British Airways flights from Ireland to United Kingdom

Explore cheap flight options specifically provided by British Airways for the route between Ireland and United Kingdom. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 936,534 searches. Data last updated 1 March 2024.
Find some of the cheapest British Airways flights travelling from Ireland to United Kingdom. Come back soon if you're not finding the exact deal you're looking for.
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Tue 16/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£56
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Tue 16/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£57
Sat 27/421:10DUB - LHR
Nonstop1h 20mBritish Airways
Sat 4/521:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 28/2£58
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Sat 13/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£58
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Mon 15/406:50LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£59
Wed 27/317:45DUB - LHR
Nonstop1h 30mBritish Airways
Sat 13/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£60
Wed 27/317:45DUB - LHR
Nonstop1h 30mBritish Airways
Mon 15/406:50LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£61
Tue 30/407:45DUB - LHR
Nonstop1h 25mBritish Airways
Wed 15/506:55LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 28/2£63
Tue 14/520:15DUB - LHR
Nonstop1h 20mBritish Airways
Wed 15/506:55LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 28/2£64

Cheap SWISS flights from Ireland to United Kingdom

Explore cheap flight options specifically provided by SWISS for the route between Ireland and United Kingdom. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 936,534 searches. Data last updated 1 March 2024.
Take a gander at the lowest prices we've found on SWISS flights from Ireland to United Kingdom. Deals are refreshing constantly so come back soon for more options.
Wed 13/312:55DUB - LHR
1 stop19h 10mSWISS
Sun 17/306:00LHR - DUB
1 stop5h 30mSWISS
Deal found 28/2£129
Sat 9/312:55DUB - LHR
1 stop19h 10mSWISS
Sat 16/320:05LHR - DUB
1 stop15h 25mSWISS
Deal found 29/2£140
Tue 30/418:45DUB - LHR
1 stop23h 10mSWISS
Wed 15/507:00LHR - DUB
1 stop12h 35mSWISS
Deal found 28/2£141
Tue 5/312:55DUB - LCY
1 stop5h 40mSWISS
Sat 9/309:45LCY - DUB
1 stop9h 15mSWISS
Deal found 28/2£172

Cheap Ireland to United Kingdom flights in March & April 2024

Find cheap flight options from Ireland to United Kingdom specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 936,534 searches. Prices were last updated on 1 March 2024.
Listed are some of the best fares we've found on flights departing from Ireland to United Kingdom in 2024. Check back in a little while for more flight options.
Tue 12/306:30DUB - MAN
Nonstop1h 05mAer Lingus
Wed 27/319:30MAN - DUB
Nonstop1h 00mAer Lingus
Deal found 29/2£43
Wed 20/315:45DUB - MAN
Nonstop1h 00mAer Lingus
Sat 23/317:05MAN - DUB
Nonstop1h 10mAer Lingus
Deal found 28/2£44
Wed 13/306:30DUB - LGW
Nonstop1h 25mAer Lingus
Wed 20/308:35LGW - DUB
Nonstop1h 30mAer Lingus
Deal found 28/2£51
Wed 20/306:30DUB - LGW
Nonstop1h 25mAer Lingus
Wed 20/313:00LGW - DUB
Nonstop1h 25mAer Lingus
Deal found 28/2£55
Fri 1/320:25DUB - LHR
Nonstop1h 15mBritish Airways
Tue 5/317:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 28/2£55
Wed 27/318:30DUB - GLA
Nonstop1h 20mAer Lingus
Wed 3/417:05GLA - DUB
Nonstop1h 15mAer Lingus
Deal found 28/2£55
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Tue 16/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£56
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Tue 16/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£57
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Sat 13/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£58

Ireland to United Kingdom 2024 flight deals

Discover exclusive flight deals for travel between Ireland and United Kingdom in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 936,534 searches. Data last updated 1 March 2024.
Listed are some of the best fares we've found on flights departing from Ireland to United Kingdom in 2024. Check back in a little while for more flight options.
Wed 24/415:00DUB - STN
Nonstop1h 20mRyanair
Thu 25/422:30STN - DUB
Nonstop1h 25mRyanair
Deal found 27/2£32
Tue 12/306:30DUB - MAN
Nonstop1h 05mAer Lingus
Wed 27/319:30MAN - DUB
Nonstop1h 00mAer Lingus
Deal found 29/2£43
Wed 20/315:45DUB - MAN
Nonstop1h 00mAer Lingus
Sat 23/317:05MAN - DUB
Nonstop1h 10mAer Lingus
Deal found 28/2£44
Mon 11/1109:05DUB - LHR
Nonstop1h 35mBritish Airways
Fri 15/1121:15LHR - DUB
Nonstop1h 20mBritish Airways
Deal found 28/2£47
Wed 24/412:50DUB - MAN
Nonstop1h 05mAer Lingus
Fri 26/420:55MAN - DUB
Nonstop1h 10mAer Lingus
Deal found 28/2£47
Wed 13/306:30DUB - LGW
Nonstop1h 25mAer Lingus
Wed 20/308:35LGW - DUB
Nonstop1h 30mAer Lingus
Deal found 28/2£51
Fri 8/1120:40DUB - LHR
Nonstop1h 15mBritish Airways
Sun 10/1113:35LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 28/2£52
Mon 1/406:50DUB - GLA
Nonstop1h 15mAer Lingus
Mon 8/417:05GLA - DUB
Nonstop1h 15mAer Lingus
Deal found 28/2£53
Wed 20/306:30DUB - LGW
Nonstop1h 25mAer Lingus
Wed 20/313:00LGW - DUB
Nonstop1h 25mAer Lingus
Deal found 28/2£55

Direct flights to United Kingdom from Ireland

Discover direct flight options from Ireland to United Kingdom. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 936,534 searches. Data last updated 1 March 2024.
Take a look at some of the direct flights travelling from Ireland to United Kingdom in the near future. Users can also choose from other Ireland to United Kingdom flights by using the search form above.
Wed 24/415:00DUB - STN
Nonstop1h 20mRyanair
Thu 25/422:30STN - DUB
Nonstop1h 25mRyanair
Deal found 27/2£32
Tue 12/306:30DUB - MAN
Nonstop1h 05mAer Lingus
Wed 27/319:30MAN - DUB
Nonstop1h 00mAer Lingus
Deal found 29/2£43
Thu 25/406:30DUB - MAN
Nonstop1h 05mAer Lingus
Sat 27/408:10MAN - DUB
Nonstop1h 00mAer Lingus
Deal found 29/2£47
Wed 13/306:30DUB - LGW
Nonstop1h 25mAer Lingus
Wed 20/308:35LGW - DUB
Nonstop1h 30mAer Lingus
Deal found 28/2£51
Mon 1/406:50DUB - GLA
Nonstop1h 15mAer Lingus
Mon 8/417:05GLA - DUB
Nonstop1h 15mAer Lingus
Deal found 28/2£53
Wed 20/306:30DUB - LGW
Nonstop1h 25mAer Lingus
Wed 20/313:00LGW - DUB
Nonstop1h 25mAer Lingus
Deal found 28/2£55
Wed 27/318:30DUB - GLA
Nonstop1h 20mAer Lingus
Wed 3/417:05GLA - DUB
Nonstop1h 15mAer Lingus
Deal found 28/2£55
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Tue 16/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£56
Tue 26/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Tue 16/421:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£57

Ireland to United Kingdom flights leaving soon

Find last-minute flight options from Ireland to United Kingdom for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 936,534 searches. Data last updated 1 March 2024.
Users seeking a last-minute flight from Ireland to United Kingdom should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.
Tue 5/309:00DUB - LGW
Nonstop1h 25mAer Lingus
Wed 6/308:35LGW - DUB
Nonstop1h 30mAer Lingus
Deal found 28/2£60
Fri 8/320:40DUB - LHR
Nonstop1h 15mBritish Airways
Tue 12/317:00LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 29/2£64
Wed 6/307:10DUB - LHR
Nonstop1h 35mBritish Airways
Wed 13/310:40LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 29/2£65
Fri 8/320:40DUB - LHR
Nonstop1h 15mBritish Airways
Wed 13/310:40LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 29/2£68
Wed 6/307:10DUB - LHR
Nonstop1h 35mBritish Airways
Mon 11/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 29/2£69
Wed 6/319:15DUB - LHR
Nonstop1h 15mBritish Airways
Sat 9/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 29/2£70
Thu 7/307:10DUB - LHR
Nonstop1h 35mBritish Airways
Mon 11/306:45LHR - DUB
Nonstop1h 30mBritish Airways
Deal found 29/2£70
Thu 7/306:40DUB - GLA
Nonstop1h 10mAer Lingus
Mon 11/320:15GLA - DUB
Nonstop1h 10mAer Lingus
Deal found 28/2£76
Tue 5/309:00DUB - LGW
Nonstop1h 25mAer Lingus
Sat 9/308:35LGW - DUB
Nonstop1h 30mAer Lingus
Deal found 28/2£78

One-way flights to United Kingdom from Ireland

Search for one-way flight options from Ireland to United Kingdom. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 936,534 searches. Data last updated 1 March 2024.
If you're seeking multiple options on one-way flights from Ireland to United Kingdom, be sure to check out these deals, which are updated often. Those seeking round-trip flights from Ireland to United Kingdom should utilise the search form at the top of the page.
Tue 18/620:15DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 28/2£21
Fri 22/306:30DUB - LGW
Nonstop1h 25mAer Lingus
Deal found 29/2£21
Thu 4/407:55DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 29/2£22
Sat 10/819:55DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 29/2£23
Wed 3/420:15DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 29/2£24
Sun 24/306:40DUB - MAN
Nonstop1h 00mAer Lingus
Deal found 28/2£24
Wed 20/317:45DUB - LHR
Nonstop1h 30mBritish Airways
Deal found 28/2£25
Thu 28/306:30DUB - LGW
Nonstop1h 25mAer Lingus
Deal found 29/2£25
Tue 26/311:40DUB - LPL
Nonstop1h 00mAer Lingus
Deal found 28/2£25

Find flights from Ireland to United Kingdom within your budget

Customise your flight search to find flights from Ireland to United Kingdom 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 936,534 searches. Data last updated 1 March 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£43 - £85

Route

Depart

Return

Price

DublinManchester

DUB - MAN

DUBMAN

Dublin

Tue 12/3

Nonstop1h 05m

Manchester

Wed 27/3

Nonstop1h 00m

£43

DublinManchester

DUB - MAN

DUBMAN

Dublin

Wed 20/3

Nonstop1h 00m

Manchester

Sat 23/3

Nonstop1h 10m

£44

DublinEdinburgh Turnhouse

DUB - EDI

DUBEDI

Dublin

Wed 20/3

Nonstop1h 05m

Edinburgh Turnhouse

Fri 22/3

Nonstop1h 05m

£47

DublinManchester

DUB - MAN

DUBMAN

Dublin

Wed 24/4

Nonstop1h 05m

Manchester

Fri 26/4

Nonstop1h 10m

£47

DublinLondon Heathrow

DUB - LHR

DUBLHR

Dublin

Tue 26/3

Nonstop1h 15m

London Heathrow

Tue 16/4

Nonstop1h 25m

£56

DublinLondon Heathrow

DUB - LHR

DUBLHR

Dublin

Tue 26/3

Nonstop1h 15m

London Heathrow

Tue 16/4

Nonstop1h 25m

£57

DublinLondon Luton

DUB - LTN

DUBLTN

Dublin

Wed 24/4

Nonstop1h 15m

London Luton

Thu 25/4

Nonstop1h 20m

£77

DublinLondon Gatwick

DUB - LGW

DUBLGW

Dublin

Tue 16/4

1 stop17h 00m

London Gatwick

Tue 23/4

1 stop25h 50m

£82

DublinEdinburgh Turnhouse

DUB - EDI

DUBEDI

Dublin

Wed 20/3

1 stop16h 25m

Edinburgh Turnhouse

Fri 22/3

Nonstop1h 20m

£85

Flights are sorted by cheapest first

Deals found on 29/2

Reviews of airlines servicing United Kingdom

Get insights into the airlines that provide service to United Kingdom. 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 United Kingdom. Reviews last updated 1 March 2024.
Read reviews from past customers who have flown British Airways, SWISS and Lufthansa from Ireland to United Kingdom. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
7.8
Good
2,258 reviews

Comfort

7.6

Crew

8.4

Boarding

7.9

Overall

7.8

Food

7.5

Entertainment

7.3

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

7.8
Good
2,258 reviews
7.8
Good
2,258 reviews

Comfort

7.6

Crew

8.4

Boarding

7.9

Overall

7.8

Food

7.5

Entertainment

7.3

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

7.8
Good
1,766 reviews
7.8
Good
2,258 reviews

Comfort

7.6

Crew

8.4

Boarding

7.9

Overall

7.8

Food

7.5

Entertainment

7.3

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

7.7
Good
1,156 reviews
7.8
Good
2,258 reviews

Comfort

7.6

Crew

8.4

Boarding

7.9

Overall

7.8

Food

7.5

Entertainment

7.3

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

7.6
Good
1,966 reviews
7.8
Good
2,258 reviews

Comfort

7.6

Crew

8.4

Boarding

7.9

Overall

7.8

Food

7.5

Entertainment

7.3

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

7.5
Good
1,435 reviews
7.8
Good
2,258 reviews

Comfort

7.6

Crew

8.4

Boarding

7.9

Overall

7.8

Food

7.5

Entertainment

7.3

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Related info for your journey

Find useful and relevant information for your journey from Ireland to United Kingdom. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find flights from Ireland to United Kingdom for under £100 on Cheapflights?

Yes, there are multiple flights from Ireland to United Kingdom for under £100. The cheapest flight booked recently is on Aer Lingus for just £43, but on average you can expect to pay £55.

Are there nonstop flights from Ireland to United Kingdom for under £100 on Cheapflights?

Cheapflights has at least 20 direct flights from Ireland to United Kingdom under £100. A good price for a nonstop flight from Ireland to United Kingdom is less than £55.

Are there last-minute flights available from Ireland to United Kingdom for under £100?

There are currently 20+ open flights from Ireland to United Kingdom within the next 7 days for less than £100.

What days are direct flights available from Ireland to United Kingdom?

Days when direct flights are available for this flight are: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

How many flights depart from Ireland to United Kingdom on average per day?

37 flight departures from Ireland to United Kingdom per day on average.
Morning (6am - Midday) - 27% of flight departures
Afternoon (Midday - 6pm) - 62% of flight departures
Evening (6pm - Midnight) - 11% of flight departures

How long is the flight from Ireland to United Kingdom?

For as low as £43, Aer Lingus can have you in United Kingdom from Ireland in 1h 05m. Airlines will cover a distance of 281 mi. All flights are typically direct.

What are the cheapest airlines to fly from Ireland to United Kingdom one-way?

One-way options have recently been found by users for as low as £21 on British Airways. Other airlines that offer cheap prices include Aer Lingus from £21 and Ryanair UK from £29 one-way.

What does DUB to LHR mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Dublin Airport to London Heathrow Airport flight would often be abbreviated as a DUB to LHR flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Manchester Airport (MAN), Edinburgh Turnhouse Airport (EDI), London Gatwick Airport (LGW), Birmingham Airport (BHX), Glasgow Intl Airport (GLA).

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