€19 Cheap flights to London
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to London departing on 6/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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What is the cheapest month to fly to London?
In general, January is the cheapest month to fly from Ireland to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €61. If you are unable to visit London during the month of January, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around €73.
What is the absolute cheapest flight to London?
Users booking trips to London from Espargos found flights 97% cheaper than the average price of flights to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.
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What is the cheapest day to depart on your flight to London?
Our data shows that Friday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as €292. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to London for around €652.
What is the cheapest time of day to depart on your flight to London?
The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as €163. In contrast, the most expensive time of day to depart to London is in the afternoon when prices are around €753.
Cheapest flights to London
Find the cheapest flights to London from your nearest city or airport
| CHEAPEST MONTH TO FLY TO LONDON FROM DUBLIN | January | 35% cheaper | Flying from Dublin to London costs on average just €61 in January |
| MOST EXPENSIVE MONTH TO FLY TO LONDON FROM DUBLIN | June | 26% more expensive | It costs about €118 for flights to London from Dublin in June |
| MOST POPULAR MONTH TO FLY TO LONDON FROM DUBLIN | July | 276% more users visited | More momondo users searched in flights to London from Dublin in July than any other month |
Cheap London flight deals and tips
Summary info about London flight prices, duration and airlines
Best One-Way Price | €19 |
|---|---|
Best Round-Trip Price | €38 |
Fastest flight time | 1h 25m |
Popular in | June |
Frequently asked questions about flying to London
How far in advance should I book a flight to London?
In general, most travellers find the cheapest time to book a flight to London is about 56 days prior to their departure date, when tickets on average are €94. In the past 72 hours, momondo users found flights from Ireland to London for as low as €45.
Is there an alternative airport near London?
Those flying to London could potentially find better pricing at London City Airport (12 km from London city centre), London Gatwick Airport (38 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London city centre) or London Southend Airport (57 km from London city centre) depending on the month and departure airport.
Is there a cheaper alternative to flying into London?
London Luton Airport has an average price of €100 per person and is typically the cheapest airport to fly into when visiting London. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.
Are there flights to Covent Garden?
Yes. To go to Covent Garden, book a flight to London Gatwick which is in London and is about 39.7 km away from Covent Garden.
What’s the closest airport to Hyde Park?
The closest airport to Hyde Park is 39.0 km away - London’s London Gatwick airport.
When did momondo last update prices for flights to London?
Prices for flights to London were last updated today.
How many operators does momondo search for flights to London?
The number of operators available for flights to London is 8 as of July 2025.
How old do you have to be to fly to London?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to London.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to London?
It is quick and easy to find flights to London on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.
Can I find flights to London with flexible booking policies on momondo?
momondo does allow users to show only those flights to London which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights to London?
momondo provides multiple filters to help you find the best flight to London. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.