Find Cheapest Airlines Flying from Dublin to London

Choose from 2 airlines flying from Dublin to London, including Ryanair, Aer Lingus and . Ryanair currently offers the cheapest ticket on this route.

Find the cheapest direct flight options from Dublin to London over the next three months. Book one-way tickets from CAD 28 and round-trip tickets from CAD 55.

Displayed flight fares from Dublin to London are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Information for Dublin to London Flights

The distance between Dublin and London is 467.71km. It takes around 1 hour 27 minutes on average to fly from Dublin to London. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is October.

Cheapest one-way flight priceCAD 28
Cheapest return ticket priceCAD 55
Off-season travel monthOctober
Peak season for travelJanuary
Flight distance467.71km
Average flight time1 hour 27 minutes
Popular airlineRyanair

When is the cheapest time to fly from Dublin to London?

The cheapest time for Dublin to London flights: Dec 14 to Dec 21 — one way flight prices from CAD 27.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Dublin to London, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Dublin (DUB) to London (LON)?

    Based on Trip.com data, Ryanair offers one-way fares as low as CAD 28 on Cheapest nonstop routes (e.g. DUB to LGW on Mon, Dec 22), while Ryanair offers Cheapest nonstop round-trips from CAD 55 departing on Sun, Jan 18 and returning on Sat, Jan 24.
  • At the moment, you can catch a direct flight from Dublin to London with the following airlines, including: Ryanair Aer Lingus Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 27 minutes to fly from Dublin (DUB) to London (LON).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Dublin to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 418 flight per week flying from Dublin to London. You can check the weekly schedule for popular airlines on this route below: Ryanair: S/M/T/W/T/F/S -- FR202 (13:19)
  • To find best deals on flights from Dublin to London, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Dec 22, with one-way flights priced at just CAD 28.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for London travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Dublin to London is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Dublin to London on December 10, 2025 with Ryanair, with prices starting at CAD 55.
  • You can land at any one of the following hubs in London, with Dublin Airport to London Gatwick Airport (DUB-LGW) is by far the most common option on this route: London City Airport (LCY) London Gatwick Airport (LGW) Heathrow Airport (LHR) London Luton Airport (LTN) London Southend Airport (SEN) London Stansted Airport (STN).
  • The time difference between London and Dublin is 0h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.