$64 Cheap Flights from London (LHR) to Oslo (OSL)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
Find available prices by choosing your travel dates.

Cheap Flights from London to Oslo (LHR-OSL)

Prices were available within the past 7 days and start at $64 for one-way flights and $102 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
British Airways
British Airways
British Airways
British Airways
British Airways
Scandinavian Airlines
Lufthansa
Brussels Airlines
Swiss International Air Lines
Flights from London (LHR) to Oslo (OSL)
Origin airport
Heathrow
Destination airport
Gardermoen
Airlines serving
Air Baltic, Air France, Austrian Airlines, British Airways, Brussels Airlines, Finnair, KLM, LOT-Polish Airlines, Lufthansa, Scandinavian Airlines, Swiss International Air Lines
Roundtrip price
$102
Distance
748 mi

London to Oslo Flights

The cheapest times to fly from London to Oslo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Oslo are during the month of March. You can find some of the cheapest flights from London to Oslo with Expedia's search tool and vast selection of airlines.

The best time to book a flight from London to Oslo

Sunday is one of the best days to book for cheap flights from London to Oslo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from London to Oslo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Oslo in 2025. You can also book with separate airlines for your outbound and return journeys, from $64 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Oslo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Oslo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Heathrow Airport to OSL?
With SAS, a direct flight takes approximately 2 hours and 10 minutes. Secure a seat on the 10:35AM flight from London Heathrow and come in to land at Oslo Gardermoen Airport at 1:45PM. Snap up a superb deal on this and many other routes when you purchase your ticket with Expedia.
Is it cheaper to buy a plane ticket from Heathrow Airport to Oslo Gardermoen Airport last minute?
Booking your trip from London Heathrow to OSL at the last minute could save you money if you strike it lucky and find a real steal. However, tickets don’t typically get cheaper as the departure date nears. If you hold out, flights could also be booked out or the best seats taken (don’t get stuck in the middle!). If you’d rather not take any chances, book well in advance of when you want to leave. Remember that some of the most awesome deals can be found up to a year in advance. If your preferred airline hasn’t released its fares yet, check back regularly as deals are updated on Expedia constantly.
What airline has the least delays from LHR to Oslo Gardermoen Airport?
If you’d rather not be stuck at the departure gate — or worse, your vacation plans left in tatters because of a flight delay — opt for SAS. Around 80% of its LHR to Gardermoen Airport (OSL) services arrive on time. You can review your flight status before setting out for the airport through the free Expedia App. It’ll also give you real-time notifications about any gate changes, baggage carousel numbers and how to get to your hotel. All the details you need are in your pocket with this all-in-one travel companion.
What airports do you fly into for Oslo from London?
From London, you can reach Oslo through Gardermoen Airport (OSL), Oslo (RYG-Rygge) and Hamar (HMR-Stavsberg). Do some research into which hub is more convenient for you before making your decision. If you decide on Gardermoen Airport (OSL), it’s about 25 mi northeast of downtown. Use the money you save when booking your airfare with Expedia to uncover the city’s well-known sights, such as Oslo Opera House and Karl Johan Gate.
What are the most popular departure times for flights from Heathrow Airport (LHR) to Oslo Gardermoen Airport?
Between 7:00 PM - 8:00 PM is when you’ll find the largest number of SAS flights departing from LHR to OSL. Want some good advice? Leave early. With air traffic yet to build up around airports, your odds of catching a delay-free flight are higher.
Can I change the date of my flight from London Heathrow to Gardermoen Airport (OSL)?
It’s a cinch to make changes to your Heathrow Airport to Gardermoen Airport (OSL) trip yourself. Just log in to the Expedia Trips portal and tap “change flight.” Browse around for new flights and book the one that fits your plans. You’ll see an estimate of any flight change costs. You can also head to our Customer Service portal to connect with our Virtual Agent and get answers to your questions.

Explore a world of travel with Expedia

*Available to One Key members.