EUR/IE
Find cheap flights to London in 2026/2027 from €30 This is the cheapest return flight found to London from Ireland on FlightsFinder on August 17th 2026 at 17:36. This offer may no longer be available. Click the offer to check live prices & dates of travel.
Our Flight Finder compares the cheapest flights to London from the most established flight comparison sites.
Fly to London and visit sites like The British Museum, Tower of London, Big Ben & lastminute.com London Eye.
1. Enter your search requirements for London
2. Compare the best London deals from top comparison engines
3. Book your London flight at the cheapest price
These economy flights were found on FlightsFinder from Ireland to London in the last few days. Prices subject to availability.
These economy flights were found on FlightsFinder from Ireland to London in the last few days. Prices subject to availability.
According to our data, September is on average the cheapest time to book flights to London.
You can get flights from €30 return.
According to our data, July is on average the most expensive time to book flights to London.
A return flight could set you back more than €66.
London, a vibrant metropolis blending rich history with modern innovation, stands as a beacon of cultural diversity and architectural marvels. From the iconic Big Ben clock tower to the majestic Tower Bridge spanning the River Thames, this bustling city offers a tapestry of experiences for every traveller. Explore world-class museums like the British Museum or indulge in a shopping spree at Harrods. With a thriving culinary scene and buzzing nightlife, London caters to all tastes and preferences. Immerse yourself in the enchanting blend of old-world charm and contemporary flair that defines this cosmopolitan gem, ensuring an unforgettable journey awaits.
A good price for a flight to London is €27 - €33.
Popular airports near London include Heathrow Airport (LHR), Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), and London City Airport (LCY).
The flight to London (LON) is roughly 1 hour 7 minutes and 279 miles (449 kilometres) from Dublin, Ireland - Dublin International Airport (DUB).
The best way is to compare flights to London from leading comparison sites using our search engine dashboard.
Yes, there are direct flights to London.
Here is the average weather forecast in London by month:
• Jan: 8°C
• Feb: 8°C
• Mar: 11°C
• Apr: 14°C
• May: 18°C
• Jun: 21°C
• Jul: 24°C
• Aug: 23°C
• Sep: 20°C
• Oct: 16°C
• Nov: 11°C
• Dec: 8°C
The main airport in London, Heathrow Airport, is approximately 15 miles (24 km) west of the city centre.
Typically, flights are cheapest to London 2 months before departure.
Studies show flights to London are typically cheaper on Tuesdays and Wednesdays.
21.5 °C
Mon, 17 Aug 2026
Average Temperature
8°C
Jan
8°C
Feb
11°C
Mar
14°C
Apr
18°C
May
21°C
Jun
24°C
Jul
23°C
Aug
20°C
Sep
16°C
Oct
11°C
Nov
8°C
Dec
Dublin, Ireland - Dublin International Airport (DUB) to London (LON)
Distance:
279 miles (449 kilometres)
Average flight time (direct 1 hour 7 minutes)
Shannon, Ireland - Shannon International Airport (SNN) to London (LON)
Distance:
369 miles (594 kilometres)
Average flight time (direct 1 hour 19 minutes)
Knock, Ireland - Ireland West Airport (NOC) to London (LON)
Distance:
388 miles (625 kilometres)
Average flight time (direct 1 hour 21 minutes)
Cork, Ireland - Cork International Airport (ORK) to London (LON)
Distance:
345 miles (555 kilometres)
Average flight time (direct 1 hour 15 minutes)
Kerry, Ireland - Kerry Airport (KIR) to London (LON)
Distance:
390 miles (627 kilometres)
Average flight time (direct 1 hour 21 minutes)
Donegal, Ireland - Donegal Airport (CFN) to London (LON)
Distance:
408 miles (657 kilometres)
Average flight time (direct 1 hour 24 minutes)
Waterford, Ireland - Waterford Airport (WAT) to London (LON)
Distance:
287 miles (462 kilometres)
Average flight time (direct 1 hour 8 minutes)
From Shannon (SNN), Ireland to London, United Kingdom (STN): €30
Depart: 08 Sep 2026 · Return: 17 Sep 2026 Price found 17 Aug 2026, 17:36
From Knock (NOC), Ireland to London, United Kingdom (LTN): €30
Depart: 11 Sep 2026 · Return: 30 Sep 2026 Price found 17 Aug 2026, 19:25
From Farranfore (KIR), Ireland to London, United Kingdom (STN): €30
Depart: 02 Sep 2026 · Return: 07 Sep 2026 Price found 17 Aug 2026, 21:51
From Cork (ORK), Ireland to London, United Kingdom (LTN): €30
Depart: 03 Sep 2026 · Return: 10 Sep 2026 Price found 17 Aug 2026, 22:11
From Dublin (DUB), Ireland to London, United Kingdom (STN): €33
Depart: 06 Oct 2026 · Return: 14 Oct 2026 Price found 17 Aug 2026, 20:07
From Donegal (CFN), Ireland to London, United Kingdom (STN): €119
Depart: 09 Oct 2026 · Return: 15 Oct 2026 Price found 14 Aug 2026, 18:55
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