Cheap Flights from Porto (OPO) to London (LHR)

You can find one-way and return flights from OPO to LHR with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when OPO to LHR ticket fares go up or down.

The cheapest months to fly from OPO to LHR are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter OPO to LHR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Porto (OPO) to London (LHR), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

There are approximately 39 connecting flights per day from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow). Some common connection points include Adolfo Suarez Madrid-Barajas (MAD), Humberto Delgado (LIS), and Frankfurt Intl. (FRA).

The earliest flight from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) typically departs around 12:35 AM local time. This flight is operated by Aegean and is a seasonal service, active in June, July, and September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll generally find the most flights from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) on a Sunday, with around 38 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include TAP Portugal, Iberia, and Lufthansa. Sunday offers notably more flight options compared to other days of the week, so if flexibility is key, you might consider flying then.

The most popular departure times for flights from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) are in the morning, from 6am to 9am. Many major carriers, including Iberia, Lufthansa and TAP Portugal, offer flights during this window. Many travellers prefer these early morning flights as they allow you to arrive in London with plenty of time to start your day.

There are no nonstop flights from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow). For flights with one stop, you can expect the journey to take around 6 hours 30 minutes. If your flight has two or more stops, the travel time will typically be longer, averaging about 9 hours 50 minutes. The distance between these two airports is approximately 1,300 kilometres. Keep in mind that actual flight times can vary due to factors like layover duration, routing, and weather conditions.

You can fly business class between OPO and LHR. Airlines that offer business class service on this route include:

* Lufthansa
* Iberia
* Air France
* TAP Portugal
* Swiss International Air Lines
* Air Baltic
* KLM
* LOT-Polish Airlines
* Brussels Airlines
* Aegean
* SAS
* Portugalia
* Austrian Airlines
* Helvetic Airways

It's easy to earn miles on a Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to London from Dr. Francisco de Sa Carneiro (OPO), you can fly directly into Heathrow (LHR). Some flights may connect through major hubs like Humberto Delgado (LIS), Franz Josef Strauss Intl. (MUC), or Adolfo Suarez Madrid-Barajas (MAD) before reaching London. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Porto (OPO-Dr. Francisco de Sa Carneiro) to London (LHR-Heathrow) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Porto (OPO) to London (LHR) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.