Cheap flights from Oslo to London from £38

In general, November is the cheapest month to fly from Oslo to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £114. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Oslo averaging around £121.

On average, the least expensive day to fly to London Heathrow Airport from Oslo is on a Saturday. momondo users have found tickets for Saturday departures for as low as £101. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £652.

According to our data, the cheapest time of day to fly to London Heathrow Airport is at midday. momondo users have found flights departing from Oslo to London Heathrow Airport at midday for as low as £101. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £171 on average. Flights to London Heathrow Airport from Oslo in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Oslo when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £152 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Oslo for as low as £112 on momondo.

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

Historically, on average around 9% of flights between Oslo and London have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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. Saturday 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 8% of their flights experiencing any sort of delay.

20 flights are operational daily from Oslo to London Heathrow Airport as of March 2026. The most popular departure time for this route is 07:00, with 57% of flights per day taking off in the afternoon.

As of March 2026, there are 143 flights per week flying from Oslo to London Heathrow Airport. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.