Cheap flights from London Heathrow Airport to Oslo from $89

The cheapest month to fly to Oslo Gardermoen Airport from London Heathrow Airport is in January. Flight prices, which tend to average around $133, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Oslo Gardermoen Airport from London Heathrow Airport during November instead. Flights to Oslo Gardermoen Airport in November, while not as cheap as those in January, still average around $143.

According to our data, Thursday is the cheapest day to fly to Oslo Gardermoen Airport from London Heathrow Airport. The lowest ticket price found for a Thursday departure recently was $196. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Oslo Gardermoen Airport for around $318.

Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is at noon. Flights from London Heathrow Airport to Oslo Gardermoen Airport during this time can be as low as $111. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is in the afternoon when prices are around $268.

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

You are more likely to see cheaper flights to Oslo Gardermoen Airport from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $199 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from London Heathrow Airport for as low as $152 on momondo.

There are 3 cabin classes available to choose from on London Heathrow Airport to Oslo Gardermoen Airport 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 London and Oslo have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

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

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

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

As of June 2026, there are 27 flights per day flying from London Heathrow Airport to Oslo Gardermoen Airport. The most common time of day flights depart is 5:00PM, with 62% of flights taking off in the afternoon.

As of June 2026, 189 flights take off from London Heathrow Airport and land in Oslo Gardermoen Airport each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off on this day.