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Cheap flights from London to Oslo from £20

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — OSL
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Oslo are usually found in September or October, booked 48 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from London to Oslo

Enter your travel dates to find the best prices.

Cheapest flights from London to Oslo
Explore the most affordable flight options available from London to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 June 2026.

Thu 3/907:00
STN
-
OSL
Nonstop2h 05m
Ryanair
Fri 4/921:45
OSL
-
STN
Nonstop2h 10m
Ryanair
Deal found 4/6£46
Sat 22/820:10
STN
-
OSL
Nonstop2h 05m
Ryanair
Sun 23/809:25
OSL
-
STN
Nonstop2h 10m
Ryanair
Deal found 4/6£46
Sun 20/910:40
STN
-
TRF
Nonstop1h 55m
Ryanair
Mon 21/913:25
TRF
-
STN
Nonstop2h 00m
Ryanair
Deal found 5/6£46
Tue 1/907:05
STN
-
OSL
Nonstop2h 05m
Ryanair
Fri 4/921:45
OSL
-
STN
Nonstop2h 10m
Ryanair
Deal found 4/6£47
Fri 30/1013:30
STN
-
TRF
Nonstop1h 55m
Ryanair
Sun 1/1113:10
TRF
-
STN
Nonstop2h 00m
Ryanair
Deal found 5/6£47
Fri 4/906:50
STN
-
OSL
Nonstop2h 05m
Ryanair
Fri 4/921:45
OSL
-
STN
Nonstop2h 10m
Ryanair
Deal found 4/6£48
Fri 4/912:00
STN
-
TRF
Nonstop1h 55m
Ryanair
Sun 6/914:00
TRF
-
STN
Nonstop2h 00m
Ryanair
Deal found 8/6£48
Tue 15/907:05
STN
-
OSL
Nonstop2h 05m
Ryanair
Sun 20/909:25
OSL
-
STN
Nonstop2h 10m
Ryanair
Deal found 5/6£49
Tue 1/919:40
STN
-
OSL
Nonstop2h 05m
Ryanair
Sat 5/923:40
OSL
-
STN
Nonstop2h 10m
Ryanair
Deal found 8/6£49
Sun 20/910:40
STN
-
TRF
Nonstop1h 55m
Ryanair
Tue 22/918:15
TRF
-
STN
Nonstop2h 00m
Ryanair
Deal found 5/6£49
Fri 4/906:50
STN
-
OSL
Nonstop2h 05m
Ryanair
Sun 6/909:25
OSL
-
STN
Nonstop2h 10m
Ryanair
Deal found 9/6£50
Fri 6/1113:30
STN
-
TRF
Nonstop1h 55m
Ryanair
Fri 13/1116:50
TRF
-
STN
Nonstop2h 00m
Ryanair
Deal found 4/6£50

Find flight deals from London to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 June 2026.

Round-trip from

£46

One-way from

£20

Popular in

December

Cheapest in

September

Average price

£121
Ryanair
  • Ryanair
  • 3/9-4/9
  • Nonstop
  • 4h 15m total
  • London to Oslo
Search Deals
Ryanair
  • Ryanair
  • 17/8
  • Nonstop
  • 1h 55m total
  • London to Oslo
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
Use the filters below to find and compare flights from London to Oslo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonOslo

STN - TRF

STNTRF

London Stansted

Fri 4/9

12:00-14:55

Nonstop1h 55m

Oslo Sandefjord

Sun 6/9

14:00-15:00

Nonstop2h 00m

£48

LondonOslo

STN - OSL

STNOSL

London Stansted

Fri 18/9

06:50-09:55

Nonstop2h 05m

Oslo Gardermoen

Sun 20/9

09:25-10:35

Nonstop2h 10m

£52

LondonOslo

STN - TRF

STNTRF

London Stansted

Fri 13/11

13:30-16:25

Nonstop1h 55m

Oslo Sandefjord

Sun 15/11

13:10-14:10

Nonstop2h 00m

£53

LondonOslo

STN - TRF

STNTRF

London Stansted

Tue 25/8

14:55-17:50

Nonstop1h 55m

Oslo Sandefjord

Tue 1/9

18:15-19:15

Nonstop2h 00m

£59

LondonOslo

STN - TRF

STNTRF

London Stansted

Sun 16/8

10:40-13:35

Nonstop1h 55m

Oslo Sandefjord

Sun 23/8

14:00-15:00

Nonstop2h 00m

£67

LondonOslo

STN - OSL

STNOSL

London Stansted

Sun 9/8

05:55-09:00

Nonstop2h 05m

Oslo Gardermoen

Sat 15/8

23:40-00:50

Nonstop2h 10m

£70

LondonOslo

STN - TRF

STNTRF

London Stansted

Thu 3/12

07:00-09:55

Nonstop1h 55m

Oslo Sandefjord

Sun 6/12

13:10-14:10

Nonstop2h 00m

£70

LondonOslo

STN - OSL

STNOSL

London Stansted

Sun 9/8

05:55-09:00

Nonstop2h 05m

Oslo Gardermoen

Fri 14/8

21:45-22:55

Nonstop2h 10m

£76

LondonOslo

STN - OSL

STNOSL

London Stansted

Thu 20/8

07:00-10:05

Nonstop2h 05m

Oslo Gardermoen

Fri 28/8

21:45-22:55

Nonstop2h 10m

£80

LondonOslo

STN - OSL

STNOSL

London Stansted

Thu 9/7

07:00-10:05

Nonstop2h 05m

Oslo Gardermoen

Thu 16/7

10:35-11:45

Nonstop2h 10m

£83

Flights are sorted by cheapest return flights first.

Deals found on 9/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Oslo

What is the cheapest month to book a flight from London to Oslo?

Currently, October is the cheapest month in which you can book a flight from London to Oslo (average of £79). Flying from London to Oslo in August is currently the most expensive (average of £152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to OSL?

Find hourly flight availability from London to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 June 2026.

It’s optimal to fly from London to Oslo at midday. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from London to Oslo

Explore weekly flight availability from London to Oslo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 9 June 2026.

The most flights from LON to OS1 are scheduled on a Tuesday (45 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost for a return flight from London to Oslo?

How often are flights from London to Oslo delayed?

About 12% of weekly flights between London and Oslo have experienced delays in the past year, with the average delay time being 112 minutes.

What is the most punctual flight time for London to Oslo flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Oslo flights?

Over the past year, Scandinavian Airlines have had the lowest number of delays on this route, with just 6% of flights being delayed.

How far ahead should I book a flight from London to Oslo?

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Oslo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from London to Oslo?

Use this chart to determine the cheapest time to fly return from London to Oslo. Price data was last updated on 8 June 2026.

Travellers seeking maximum savings on their London to Oslo flight should consider departing on Saturday at midday when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated 9 June 2026.
Read through reviews of airlines operating flights from London to Oslo, such as Norwegian,Scandinavian Airlines, andRyanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Norwegian
7.8
Good
250 reviews
Check prices

Comfort

7.6

Boarding

7.7

Entertainment

6.1

Food

6.6

Overall

7.8

Crew

8.2

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Norwegian
7.8
Good
250 reviews
Norwegian
7.8
Good
250 reviews
Check prices

Comfort

7.6

Boarding

7.7

Entertainment

6.1

Food

6.6

Overall

7.8

Crew

8.2

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Scandinavian Airlines
7.4
Good
1,815 reviews
Norwegian
7.8
Good
250 reviews
Check prices

Comfort

7.6

Boarding

7.7

Entertainment

6.1

Food

6.6

Overall

7.8

Crew

8.2

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Ryanair
6.9
Okay
5,401 reviews
Norwegian
7.8
Good
250 reviews
Check prices

Comfort

7.6

Boarding

7.7

Entertainment

6.1

Food

6.6

Overall

7.8

Crew

8.2

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
British Airways
6.7
Okay
8,034 reviews
Norwegian
7.8
Good
250 reviews
Check prices

Comfort

7.6

Boarding

7.7

Entertainment

6.1

Food

6.6

Overall

7.8

Crew

8.2

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Ryanair
6.5
Okay
Norwegian
7.8
Good
250 reviews
Check prices

Comfort

7.6

Boarding

7.7

Entertainment

6.1

Food

6.6

Overall

7.8

Crew

8.2

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight

Related info for your journey

Find useful and relevant information for your journey from London to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Oslo?

    There are many flights that can get you from London to Oslo in 1h 55m. Fly via Ryanair or Norwegian to get the fastest option. There are 637 mi between London and Oslo. Most flights are nonstop.

  • What are the cheapest airlines flying from London to Oslo round-trip?

    Flying on Ryanair is currently your cheapest option to Oslo, with prices starting at £27. Additional return tickets that might be worth considering are offered by Ryanair and Norwegian, with the lowest prices starting at £38 and £66, respectively. You may be able to fly from London to Oslo for 74% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London to Oslo one-way?

    To fly one-way, consider booking your trip with Ryanair, which is currently one of the cheapest options available, starting at £17. Norwegian flights start at £52 while deals on British Airways start at £55 one-way.

  • What are the most popular routes from London to Oslo?

    The most popular flight routes from London to Oslo are London Heathrow - Oslo Gardermoen, London Gatwick - Oslo Gardermoen and London Stansted - Oslo Gardermoen.

  • What are the most reliable airlines from London to Oslo?

    No one likes to see their flight delayed. When booking a flight from London to Oslo consider choosing Finnair (100%), Iberia (100%) or Thai Lion Air (94%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Oslo?

    Looking at all options, your cheapest flight can be booked for £81. While the most popular route (London Heathrow - Oslo Gardermoen) can be booked for £97 on average, our data indicates £413 when flying from London to Oslo.

  • Can I find deals for flights from London to Oslo that include hotel bookings?

    Yes. In addition to deals on London to Oslo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Oslo.

  • Can I find deals for business class flights from London to Oslo?

    Yes. Cheapflights offers flight deals from London to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Oslo?

    Currently, October is the cheapest month in which you can book a flight from London to Oslo (average of £79). Flying from London to Oslo in August is currently the most expensive (average of £152). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Oslo

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Oslo Gardermoen flights
Gatwick to Oslo Gardermoen flights
Stansted to Oslo Gardermoen flights
Luton to Oslo Gardermoen flights
London City to Oslo Gardermoen flights
Heathrow to Sandefjord flights
Manchester to Oslo Gardermoen flights
Stansted to Sandefjord flights
Luton to Sandefjord flights
Gatwick to Sandefjord flights
Manchester to Sandefjord flights
Southend to Oslo Gardermoen flights
Heathrow to Bergen flights
Gatwick to Bergen flights
Heathrow to Tromsø flights
London City to Bergen flights
Stansted to Bergen flights
Luton to Bergen flights
Heathrow to Stavanger flights
Gatwick to Stavanger flights
Edinburgh to Oslo Gardermoen flights
Stansted to Stavanger flights
London City to Stavanger flights
Gatwick to Tromsø flights
London City to Tromsø flights
Luton to Stavanger flights
Luton to Tromsø flights
Manchester to Tromsø flights
Edinburgh to Sandefjord flights
Stansted to Tromsø flights
Birmingham to Oslo Gardermoen flights
Bristol to Oslo Gardermoen flights
Heathrow to Narvik flights
Heathrow to Trondheim flights
London City to Sandefjord flights
London City to Trondheim flights
Gatwick to Trondheim flights
Manchester to Bergen flights
Stansted to Narvik flights
Birmingham to Sandefjord flights
Heathrow to Ålesund flights
Gatwick to Narvik flights
Heathrow to Bodø flights
Manchester to Stavanger flights
Southampton to Oslo Gardermoen flights
Newcastle upon Tyne to Oslo Gardermoen flights
Heathrow to Longyearbyen flights
Gatwick to Ålesund flights
Gatwick to Bodø flights

Top 5 airlines flying from London to Oslo

Discover the top 5 airlines that operate flights from London to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£78FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£38Average£93FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
NorwegianCheapest£66Average£168FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
British AirwaysCheapest£81Average£132FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£83Average£173FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Oslo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Oslo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Oslo?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Oslo from London.

Can Cheapflights find flights from London to Oslo with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Oslo, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Oslo become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Oslo from London today and book when prices fit your budget.

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