Cheap Flights from Porto to London from US$24

Frequently Asked Questions

• What are the cheapest flights from Porto to London (OPO-LON)?

  Based on Trip.com data, Ryanair offers one-way fares as low as US$24 on Cheapest nonstop routes (e.g. OPO to STN on Fri, Jul 17), while British Airways offers Cheapest nonstop round-trips from US$62 departing on Sat, Aug 8 and returning on Tue, Aug 4.

• Which airlines offer direct flights from Porto to London?

  At the moment, you can catch a nonstop flight from Porto to London with the following airlines, including: TAP Air Portugal Ryanair easyJet British Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Porto to London?

  It takes about 2 hours 21 minutes to fly from Porto to London.

• When is the best time to book flights from Porto to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Porto 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.

• How many flights are there per week from Porto to London?

  Based on Trip.com data in the past 4 weeks, there is 52 flight per week flying from Porto to London. You can check the weekly schedule for popular airlines on this route below: TAP Air Portugal: S/M/T/W/T/F/S -- TP1328 (09:06) Ryanair: S/M/T/W/T/F/S -- FR1276 (07:04)

• How can I find the best deals on flights from Porto to London?

  To find best deals on flights from Porto 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 Fri, Jul 17, with one-way flights priced at just US$24.
  · 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 August.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Porto (OPO) to London (LON) the cheapest?

  The cheapest months to fly from Porto to London is December, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Porto to London on?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Porto to London on July 23, 2026 with Ryanair, with prices starting at US$20.

• Which airports can I fly to for London from Porto?

  You can land at any one of the following hubs in London, with Francisco Sa Carneiro International Airport to London Gatwick Airport (OPO-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).

• Is there any time difference between Porto and London?

  The time difference between London and Porto is 0h.

• How do I change or cancel my ticket from Porto to London?

  Tickets can only be changed or canceled 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.