Cheap flights from London to Oslo from £21

If you are unable to visit Oslo during the month of October, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around £81.

On average, the least expensive day to fly to Oslo from London is on a Thursday. momondo users have found tickets for Thursday departures for as low as £149. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oslo is Sunday, with ticket prices averaging around £201.

Flying to Oslo from London at midday is the least expensive time of day to depart. momondo users have found prices as low as £66 when looking at flights departing at midday. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £162 on average. Flights to Oslo from London in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from London Stansted to Oslo Gardermoen for the best London - Oslo flight prices

You are more likely to see cheaper flights to Oslo from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo for around £149 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo from London for as low as £112 on momondo.

There are 3 cabin classes available to choose from on London to Oslo flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair, Wizz Air, and British Airways are the most popular carriers operating from London to Oslo

British Airways, Scandinavian Airlines and Norwegian are the top three most popular airlines that fly to Oslo from London according to our data. British Airways is the first choice among our users, with 29% of people opting to fly with this airline when travelling to Oslo. Keep in mind that there are 5 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between London and Oslo have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Scandinavian Airlines have had the fewest delays on this route over the last 12 months, with about 6% of their flights experiencing any sort of delay.

The number of flights available between London and Oslo is 29 per day as of May 2026. The most frequent departure time is 17:00, with 49% of daily flights leaving in the afternoon.

The number of flights available between London and Oslo is 206 per week as of May 2026. The most frequent departure day is Mon, with 21% of weekly flights leaving on this day.