How long is the flight from Portsmouth to Oslo?

There are many flights that can get you from Portsmouth to Oslo in 12h 30m. Fly via KLM to get the fastest option. The distance between Portsmouth and Oslo is about 800 mi.

In terms of precipitation, rainfall in Oslo ranges from 40.0 - 90.0 inches per month. August is typically the wettest month, when rainfall can reach 90.0 mm. February is typically the driest time to visit Oslo when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Oslo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -3.0 C).

What are the cheapest flights from Portsmouth to Oslo?

Looking at all options, your cheapest flight can be booked for £75. While the most popular route (Southampton Eastleigh - Oslo Gardermoen) can be booked for £254 on average, our data indicates £207 when flying from Portsmouth to Oslo.

What are the most reliable airlines from Portsmouth to Oslo?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Oslo on time: Finnair (100%), Iberia (100%), Singapore Airlines (94%).

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

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

How can I find direct flights from Portsmouth to Oslo?

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

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

Yes. Cheapflights offers flight deals from Portsmouth 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.

£77+ Cheap Flights from Portsmouth to Oslo

Cheap flight deals from Portsmouth to Oslo

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Portsmouth to Oslo
Explore the most affordable flight options available from Portsmouth to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Thu 17/911:40 -

2 stops21h 15m

Wed 23/910:35 -

2 stops23h 00m

Deal found 18/8£176

Sun 4/1012:35 -

2 stops21h 10m

Sun 11/1019:10 -

2 stops17h 40m

Deal found 20/8£185

Mon 7/919:20 -

2 stops26h 25m

Sat 12/914:55 -

2 stops19h 30m

Deal found 17/8£195

Thu 17/909:05 -

1 stop12h 30m

Wed 23/911:50 -

1 stop6h 00m

Deal found 18/8£219

Fri 18/908:55 -

2 stops22h 45m

Fri 25/913:50 -

2 stops19h 50m

Deal found 19/8£254

Wed 14/1020:00 -

1 stop17h 20m

Sun 18/1022:10 -

2 stops19h 40m

Deal found 18/8£445

Wed 18/1108:40 -

2 stops8h 25m

Sun 22/1109:05 -

2 stops8h 55m

Deal found 18/8£1,529

Fri 25/909:05 -

2 stops11h 05m

Tue 29/906:00 -

2 stops11h 50m

Deal found 18/8£1,593

Find flight deals from Portsmouth to Oslo

Round-trip from	£176
One-way from	£77
Popular in	July
Cheapest in	September
Average price	£126

17/9-23/9
4 total stops
44h 15m total
Portsmouth to Oslo

Search Deals

31/8
1 total stop
12h 15m total
Portsmouth to Oslo

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£20 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Thu 17/9

11:40-09:55

2 stops21h 15m

Oslo Gardermoen

Wed 23/9

10:35-08:35

2 stops23h 00m

£176

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Sun 4/10

12:35-10:45

2 stops21h 10m

Oslo Gardermoen

Sun 11/10

19:10-11:50

2 stops17h 40m

£185

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Mon 7/9

19:20-22:45

2 stops26h 25m

Oslo Gardermoen

Sat 12/9

14:55-09:25

2 stops19h 30m

£195

SouthamptonOslo

SOU Southampton Eastleigh - TRF Oslo Sandefjord

SOUTRF

Southampton Eastleigh

Fri 18/9

08:55-08:40

2 stops22h 45m

Oslo Sandefjord

Fri 25/9

13:50-08:40

2 stops19h 50m

£254

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Wed 14/10

20:00-14:20

1 stop17h 20m

Oslo Gardermoen

Sun 18/10

22:10-16:50

2 stops19h 40m

£445

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Fri 25/9

20:00-09:45

2 stops36h 45m

Oslo Gardermoen

Tue 29/9

08:50-19:30

1 stop11h 40m

£485

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Sat 26/9

16:45-10:40

2 stops40h 55m

Oslo Gardermoen

Wed 30/9

17:10-12:05

2 stops19h 55m

£547

Fastest return journey

SouthamptonOslo

SOU Southampton Eastleigh - TRF Oslo Sandefjord

SOUTRF

Southampton Eastleigh

Wed 18/11

08:40-18:05

2 stops8h 25m

Oslo Sandefjord

Sun 22/11

09:05-17:00

2 stops8h 55m

£1,529

Cheapest one-way

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Sat 3/10

07:50-09:00

2 stops24h 10m

£141

Fastest single journey

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Mon 31/8

19:20-15:20

2 stops19h 00m

£150

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Showing 1-10 of 11 resultsSorted by cheapest first

Best time to book a flight from Portsmouth to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Portsmouth with our price prediction graph.

SOU-OSL

SOU-TRF

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 Portsmouth to Oslo

P0R-OS1

SOU-OSL

SOU-TRF

What is the cheapest time of day to fly from P0R to OSL?

One of the essential ways to save on airfare from Portsmouth to Oslo is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 26% on airfare.

Weekly flight availability from Portsmouth to Oslo

The most flights from P0R to OS1 are scheduled on a Wednesday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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

Travellers seeking maximum savings on their Portsmouth to Oslo flight should consider departing on Thursday 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.

Related info for your journey

How long is the flight from Portsmouth to Oslo?
There are many flights that can get you from Portsmouth to Oslo in 12h 30m. Fly via KLM to get the fastest option. The distance between Portsmouth and Oslo is about 800 mi.
What are the most reliable airlines from Portsmouth to Oslo?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Oslo on time: Finnair (100%), Iberia (100%), Singapore Airlines (94%).
What are the cheapest flights from Portsmouth to Oslo?
Looking at all options, your cheapest flight can be booked for £75. While the most popular route (Southampton Eastleigh - Oslo Gardermoen) can be booked for £254 on average, our data indicates £207 when flying from Portsmouth to Oslo.
Can I find deals for flights from Portsmouth to Oslo that include hotel bookings?
Yes. In addition to deals on Portsmouth to Oslo flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Oslo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Oslo.
Can I find deals for business class flights from Portsmouth to Oslo?
Yes. Cheapflights offers flight deals from Portsmouth 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Oslo

Gatwick to Oslo Gardermoen flights

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London City to Trondheim flights

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Gatwick to Ålesund flights

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Stansted to Stavanger flights

Birmingham to Sandefjord flights

Newcastle upon Tyne to Oslo Gardermoen flights

Luton to Trondheim flights

Luton to Stavanger flights

Edinburgh to Bergen flights

Stansted to Ålesund flights

Heathrow to Bodø flights

Gatwick to Longyearbyen flights

Heathrow to Narvik flights

Edinburgh to Tromsø flights

Heathrow to Ålesund flights

Top 6 airlines flying from Portsmouth to Oslo

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£27	Average£73	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Ryanair	Cheapest£37	Average£62	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Norwegian	Cheapest£65	Average£135	FlexibilityNo cancel fee	On-time74%	Search Norwegian flights
British Airways	Cheapest£80	Average£127	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Scandinavian Airlines	Cheapest£86	Average£229	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Lufthansa	Cheapest£121	Average£192	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

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When you search for this flight from Portsmouth to Oslo, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Portsmouth to Oslo for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Oslo from Portsmouth? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Cheap flights from Portsmouth to Oslo from £77

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Oslo

Cheapest flights from Portsmouth to OsloExplore the most affordable flight options available from Portsmouth to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Explore the most affordable flight options available from Portsmouth to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Portsmouth to OsloDiscover carefully curated flight deals from Portsmouth to Oslo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Discover carefully curated flight deals from Portsmouth to Oslo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Portsmouth to OsloDiscover last-minute flight deals from Portsmouth to Oslo. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Oslo. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Portsmouth to OsloSearch for one-way flight options from Portsmouth to Oslo. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

Search for one-way flight options from Portsmouth to Oslo. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.

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Best time to book a flight from Portsmouth to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Portsmouth with our price prediction graph.

Cheapflights Insights

What is the cheapest time of day to fly from P0R to OSL?

Find hourly flight availability from Portsmouth 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 21 August 2026.

One of the essential ways to save on airfare from Portsmouth to Oslo is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 26% on airfare.

Weekly flight availability from Portsmouth to Oslo

Explore weekly flight availability from Portsmouth 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 21 August 2026.

The most flights from P0R to OS1 are scheduled on a Wednesday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Oslo. Price data was last updated on 15 August 2026.

Travellers seeking maximum savings on their Portsmouth to Oslo flight should consider departing on Thursday 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.

Related info for your journey

How long is the flight from Portsmouth to Oslo?

What are the most reliable airlines from Portsmouth to Oslo?

What are the cheapest flights from Portsmouth to Oslo?

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

How can I find direct flights from Portsmouth to Oslo?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portsmouth to Oslo

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Oslo by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Norway

Book a non-stop flight to one of these other cities located in Norway.

Search flights from Portsmouth to Oslo by cabin class

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Portsmouth and Oslo flights

Browse other Portsmouth and Oslo flight options. Last updated on 21 August 2026.

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Top 6 airlines flying from Portsmouth to Oslo

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

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Cheapest flights from Portsmouth to Oslo
Explore the most affordable flight options available from Portsmouth to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 August 2026.

Best flights from Portsmouth to Oslo
Discover carefully curated flight deals from Portsmouth to Oslo that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 August 2026.

Last-minute flights from Portsmouth to Oslo
Discover last-minute flight deals from Portsmouth to Oslo. Data last updated 21 August 2026 and is based on user searches.

One-way flights from Portsmouth to Oslo
Search for one-way flight options from Portsmouth to Oslo. Find affordable one-way fares based on user searches. Data last updated 21 August 2026.