Find flights
Deals
Airlines
FAQs

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 departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LHR
11 Sep — 18 Sep1
1 adult

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 1,000,759 searches. Data last updated 6 September 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.
Sat 5/1009:15DUB - EDI
2 stops14h 00mBritish Airways
Mon 7/1016:25EDI - DUB
1 stop4h 15mBritish Airways
Deal found 5/9£32
Thu 6/220:30DUB - LHR
Nonstop1h 20mBritish Airways
Mon 10/206:30LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 5/9£49
Thu 6/220:30DUB - LHR
Nonstop1h 20mBritish Airways
Mon 10/206:30LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 6/9£49
Thu 30/120:30DUB - LHR
Nonstop1h 20mBritish Airways
Wed 5/206:30LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 5/9£52
Sat 14/921:10DUB - LHR
Nonstop1h 20mBritish Airways
Sun 15/908:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 5/9£84
Sat 14/921:10DUB - LHR
Nonstop1h 20mBritish Airways
Sun 15/908:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 5/9£85
Thu 12/909:20DUB - LHR
Nonstop1h 30mBritish Airways
Mon 16/919:15LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 5/9£87
Sat 14/915:50DUB - LHR
Nonstop1h 20mBritish Airways
Mon 16/918:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 6/9£87
Wed 11/920:15DUB - LHR
Nonstop1h 20mBritish Airways
Sun 15/908:20LHR - DUB
Nonstop1h 25mBritish Airways
Deal found 5/9£90

Cheap KLM flights from Ireland to United Kingdom

Explore cheap flight options specifically provided by KLM 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 1,000,759 searches. Data last updated 6 September 2024.
Take a gander at the lowest prices we've found on KLM flights from Ireland to United Kingdom. Deals are refreshing constantly so come back soon for more options.
Thu 3/1006:15ORK - LHR
1 stop4h 30mKLM
Mon 7/1014:45LHR - ORK
2 stops25h 05mKLM
Deal found 6/9£128
Mon 16/905:55DUB - LHR
1 stop4h 50mKLM
Thu 19/906:30LHR - DUB
1 stop3h 55mKLM
Deal found 6/9£192

Cheap Ireland to United Kingdom flights in September & October 2024

Find cheap flight options from Ireland to United Kingdom specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 1,000,759 searches. Prices were last updated on 6 September 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.
Thu 19/906:30DUB - MAN
Nonstop1h 05mAer Lingus
Mon 23/920:55MAN - DUB
Nonstop1h 10mAer Lingus
Deal found 5/9£27
Thu 19/906:30DUB - MAN
Nonstop1h 05mAer Lingus
Mon 23/914:25MAN - DUB
Nonstop1h 00mAer Lingus
Deal found 5/9£27
Thu 19/922:00DUB - MAN
Nonstop1h 00mMultiple Airlines
Mon 23/922:25MAN - DUB
Nonstop1h 00mMultiple Airlines
Deal found 6/9£28
Sat 5/1007:10DUB - EDI
Nonstop1h 20mAer Lingus
Mon 7/1008:30EDI - DUB
Nonstop1h 05mAer Lingus
Deal found 5/9£30
Mon 16/912:55DUB - STN
Nonstop1h 20mRyanair
Thu 19/907:45STN - DUB
Nonstop1h 25mRyanair
Deal found 6/9£30
Sat 21/923:55DUB - LTN
Nonstop1h 15mRyanair
Sat 28/917:45LTN - DUB
Nonstop1h 20mRyanair
Deal found 5/9£31
Thu 12/905:45DUB - LPL
Nonstop0h 55mRyanair
Wed 18/921:50LPL - DUB
Nonstop0h 55mRyanair
Deal found 5/9£31
Sat 5/1020:35DUB - EDI
Nonstop1h 10mRyanair
Mon 7/1023:35EDI - DUB
Nonstop1h 05mRyanair
Deal found 5/9£31
Thu 19/922:00DUB - MAN
Nonstop1h 00mMultiple Airlines
Mon 23/922:25MAN - DUB
Nonstop1h 00mMultiple Airlines
Deal found 5/9£31

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 1,000,759 searches. Data last updated 6 September 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.
Sat 21/906:40DUB - EDI
Nonstop1h 10mAer Lingus
Wed 25/908:30EDI - DUB
Nonstop1h 05mAer Lingus
Deal found 5/9£23
Thu 19/906:30DUB - MAN
Nonstop1h 05mAer Lingus
Mon 23/920:55MAN - DUB
Nonstop1h 10mAer Lingus
Deal found 5/9£27
Thu 19/906:30DUB - MAN
Nonstop1h 05mAer Lingus
Mon 23/914:25MAN - DUB
Nonstop1h 00mAer Lingus
Deal found 5/9£27
Thu 19/922:00DUB - MAN
Nonstop1h 00mMultiple Airlines
Mon 23/922:25MAN - DUB
Nonstop1h 00mMultiple Airlines
Deal found 6/9£28
Sat 5/1007:10DUB - EDI
Nonstop1h 20mAer Lingus
Mon 7/1008:30EDI - DUB
Nonstop1h 05mAer Lingus
Deal found 5/9£30
Mon 16/912:55DUB - STN
Nonstop1h 20mRyanair
Thu 19/907:45STN - DUB
Nonstop1h 25mRyanair
Deal found 6/9£30
Sat 21/923:55DUB - LTN
Nonstop1h 15mRyanair
Sat 28/917:45LTN - DUB
Nonstop1h 20mRyanair
Deal found 5/9£31
Thu 12/905:45DUB - LPL
Nonstop0h 55mRyanair
Wed 18/921:50LPL - DUB
Nonstop0h 55mRyanair
Deal found 5/9£31
Sat 5/1020:35DUB - EDI
Nonstop1h 10mRyanair
Mon 7/1023:35EDI - DUB
Nonstop1h 05mRyanair
Deal found 5/9£31

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 1,000,759 searches. Data last updated 6 September 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.
Sat 21/906:40DUB - EDI
Nonstop1h 10mAer Lingus
Wed 25/908:30EDI - DUB
Nonstop1h 05mAer Lingus
Deal found 5/9£23
Thu 19/906:30DUB - MAN
Nonstop1h 05mAer Lingus
Mon 23/920:55MAN - DUB
Nonstop1h 10mAer Lingus
Deal found 5/9£27
Thu 19/906:30DUB - MAN
Nonstop1h 05mAer Lingus
Mon 23/914:25MAN - DUB
Nonstop1h 00mAer Lingus
Deal found 5/9£27
Sat 5/1007:10DUB - EDI
Nonstop1h 20mAer Lingus
Mon 7/1008:30EDI - DUB
Nonstop1h 05mAer Lingus
Deal found 5/9£30
Sat 21/923:55DUB - LTN
Nonstop1h 15mRyanair
Sat 28/917:45LTN - DUB
Nonstop1h 20mRyanair
Deal found 5/9£31
Thu 19/905:45DUB - LPL
Nonstop0h 55mRyanair
Mon 23/920:55LPL - DUB
Nonstop0h 55mRyanair
Deal found 5/9£31
Sat 5/1020:35DUB - EDI
Nonstop1h 10mRyanair
Mon 7/1023:35EDI - DUB
Nonstop1h 05mRyanair
Deal found 5/9£31
Thu 19/922:00DUB - MAN
Nonstop1h 00mMultiple Airlines
Mon 23/922:25MAN - DUB
Nonstop1h 00mMultiple Airlines
Deal found 5/9£31
Sat 28/921:30DUB - STN
Nonstop1h 20mRyanair
Sun 29/907:10STN - DUB
Nonstop1h 25mRyanair
Deal found 5/9£31

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 1,000,759 searches. Data last updated 6 September 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.
Sun 15/906:10DUB - STN
Nonstop1h 20mRyanair
Fri 20/922:45STN - DUB
Nonstop1h 25mRyanair
Deal found 5/9£40
Sat 14/919:15DUB - LGW
Nonstop1h 25mRyanair
Mon 16/918:50LGW - DUB
Nonstop1h 25mRyanair
Deal found 6/9£40
Fri 13/921:55DUB - LTN
Nonstop1h 15mRyanair
Wed 9/1016:50LTN - DUB
Nonstop1h 20mRyanair
Deal found 5/9£41
Thu 12/905:45DUB - LPL
Nonstop0h 55mRyanair
Sun 15/905:50LPL - DUB
Nonstop0h 55mRyanair
Deal found 4/9£42
Sun 15/908:55DUB - EDI
Nonstop1h 10mRyanair
Wed 25/922:05EDI - DUB
Nonstop1h 05mRyanair
Deal found 5/9£43
Sat 14/919:15DUB - LGW
Nonstop1h 25mRyanair
Fri 20/922:00LGW - DUB
Nonstop1h 25mRyanair
Deal found 5/9£43
Thu 12/906:40DUB - EDI
Nonstop1h 10mMultiple Airlines
Tue 17/907:15EDI - DUB
Nonstop1h 05mMultiple Airlines
Deal found 5/9£45
Thu 12/913:00DUB - MAN
1 stop19h 05mSWISS
Wed 18/908:50MAN - DUB
2 stops10h 15mSWISS
Deal found 5/9£45
Sat 14/920:35DUB - EDI
Nonstop1h 10mRyanair
Sun 15/907:25EDI - DUB
Nonstop1h 05mRyanair
Deal found 5/9£46

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 1,000,759 searches. Data last updated 6 September 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.
Sat 9/1120:35DUB - LHR
Nonstop1h 20mBritish Airways
Deal found 5/9£21
Thu 5/1207:20DUB - LTN
Nonstop1h 15mRyanair
Deal found 5/9£21
Sun 22/908:55DUB - EDI
Nonstop1h 10mRyanair
Deal found 5/9£21
Thu 5/1206:30DUB - STN
Nonstop1h 20mRyanair
Deal found 4/9£21
Mon 9/1220:45DUB - LTN
Nonstop1h 15mRyanair
Deal found 5/9£21
Sat 19/1006:40DUB - EDI
Nonstop1h 10mAer Lingus
Deal found 5/9£21
Sat 2/1118:40DUB - MAN
Nonstop1h 00mRyanair
Deal found 5/9£21
Fri 25/1021:40DUB - STN
Nonstop1h 20mRyanair
Deal found 5/9£21
Sun 3/1105:30DUB - LGW
Nonstop1h 30mRyanair
Deal found 5/9£21

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 1,000,759 searches. Data last updated 6 September 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£27 - £46

Route

Depart

Return

Price

DublinManchester

DUB - MAN

DUBMAN

Dublin

Thu 19/9

Nonstop1h 05m

Manchester

Mon 23/9

Nonstop1h 10m

£27

DublinManchester

DUB - MAN

DUBMAN

Dublin

Thu 19/9

Nonstop1h 05m

Manchester

Mon 23/9

Nonstop1h 00m

£27

DublinLondon Luton

DUB - LTN

DUBLTN

Dublin

Sat 21/9

Nonstop1h 15m

London Luton

Sat 28/9

Nonstop1h 20m

£31

DublinManchester

DUB - MAN

DUBMAN

Dublin

Thu 19/9

Nonstop1h 00m

Manchester

Mon 23/9

Nonstop1h 00m

£31

DublinLiverpool J. Lennon

DUB - LPL

DUBLPL

Dublin

Thu 19/9

Nonstop0h 55m

Liverpool J. Lennon

Mon 23/9

Nonstop0h 55m

£31

DublinEdinburgh Turnhouse

DUB - EDI

DUBEDI

Dublin

Sat 5/10

2 stops14h 00m

Edinburgh Turnhouse

Mon 7/10

1 stop4h 15m

£32

DublinManchester

DUB - MAN

DUBMAN

Dublin

Sat 21/9

Nonstop1h 00m

Manchester

Wed 25/9

Nonstop1h 05m

£38

DublinLondon Gatwick

DUB - LGW

DUBLGW

Dublin

Thu 3/10

1 stop4h 55m

London Gatwick

Mon 7/10

1 stop17h 25m

£43

DublinEdinburgh Turnhouse

DUB - EDI

DUBEDI

Dublin

Thu 3/10

2 stops25h 25m

Edinburgh Turnhouse

Mon 7/10

1 stop14h 10m

£46

Flights are sorted by cheapest first

Deals found on 5/9

Best time to book a flight from Ireland to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Ireland 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 Ireland to United Kingdom

Get recent, data-driven insights about flights from Ireland to United Kingdom including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to United Kingdom?

Currently, December is the cheapest month in which you can book a flight from Ireland to United Kingdom (average of £11). Flying from Ireland to United Kingdom in April is currently the most expensive (average of £42). 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 IE to GB?

Find hourly flight availability from Ireland to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 September 2024.

It’s optimal to fly from Ireland to United Kingdom in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight at midday.

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

Use this chart to determine the cheapest time to fly return from Ireland to United Kingdom. Price data was last updated on 1 September 2024.

Travellers seeking maximum savings on their Ireland to United Kingdom flight should consider departing on Wednesday 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 Ireland to United Kingdom

Explore weekly flight availability from Ireland to United Kingdom. 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 6 September 2024.

The most flights from IE0 to GB0 are scheduled on a Thursday (88 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (46 on average).

Rainfall in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in United Kingdom 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 United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

Plan your trip to United Kingdom by taking into account the average temperature totals by month.

If weather is an important factor for your trip to United Kingdom, 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 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 6 September 2024.
Read reviews from past customers who have flown British Airways, KLM and Aer Lingus 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
1,369 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.8
Good
1,369 reviews
7.8
Good
1,369 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.7
Good
1,749 reviews
7.8
Good
1,369 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.5
Good
1,599 reviews
7.8
Good
1,369 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.3
Good
1,317 reviews
7.8
Good
1,369 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

7.2
Good
1,141 reviews
7.8
Good
1,369 reviews

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.2

Food

7.3

Boarding

7.8

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

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 £27, but on average you can expect to pay £31.

  • 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 £31.

  • 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, Wednesday, Friday, Saturday.

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

    39 flight departures from Ireland to United Kingdom per day on average.
    Morning (6am - Midday) - 31% of flight departures
    Afternoon (Midday - 6pm) - 59% of flight departures
    Evening (6pm - Midnight) - 10% of flight departures

  • How long is the flight from Ireland to United Kingdom?

    For as low as £27, Aer Lingus can have you in United Kingdom from Ireland in 1h 05m. Airlines will cover a distance of 281 mi. This flight may include one or multiple stops.