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Cheap flights from Portsmouth to Oslo from £168

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — OSL
6 Sep — 13 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Oslo

Enter your travel dates to find the best prices.

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 7 August 2026.

Sat 19/912:15 -
2 stops19h 45m
Wed 23/910:35 -
2 stops23h 00m
Deal found 6/8£168
Thu 17/911:40 -
2 stops21h 15m
Sun 20/909:25 -
2 stops24h 15m
Deal found 4/8£180
Sat 26/907:50 -
2 stops23h 00m
Sat 3/1009:05 -
2 stops24h 30m
Deal found 7/8£184
Thu 17/909:05 -
1 stop6h 15m
Sun 20/917:25 -
1 stop16h 10m
Deal found 4/8£209
Thu 3/920:00 -
2 stops16h 25m
Thu 10/911:45 -
2 stops8h 45m
Deal found 6/8£219
Thu 3/917:20 -
1 stop14h 25m
Thu 10/919:15 -
1 stop14h 20m
Deal found 6/8£221
Thu 27/815:25 -
1 stop27h 50m
Thu 3/911:45 -
2 stops8h 45m
Deal found 6/8£224
Thu 3/909:20 -
1 stop11h 25m
Thu 10/908:15 -
2 stops25h 30m
Deal found 6/8£238
Thu 27/820:00 -
2 stops16h 25m
Thu 10/911:45 -
2 stops8h 45m
Deal found 6/8£244

Find flight deals from Portsmouth to Oslo

Keep the following information in mind while searching for Portsmouth to Oslo flight deals. Data was last updated 7 August 2026.

Round-trip from

£168

Popular in

July

Cheapest in

September

Average price

£124
19/9-23/9
  • 19/9-23/9
  • 4 total stops
  • 42h 45m 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. 6% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth 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 7 August 2026.
Use the filters below to find and compare flights from Portsmouth to Oslo that are best for you.

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

Sun 20/9

09:25-08:40

2 stops24h 15m

£180

SouthamptonOslo

SOU Southampton Eastleigh - TRF Oslo Sandefjord

SOUTRF

Southampton Eastleigh

Sat 26/9

07:50-07:50

2 stops23h 00m

Oslo Sandefjord

Sat 3/10

09:05-08:35

2 stops24h 30m

£184

SouthamptonOslo

SOU Southampton Eastleigh - TRF Oslo Sandefjord

SOUTRF

Southampton Eastleigh

Thu 3/9

20:00-13:25

2 stops16h 25m

Oslo Sandefjord

Thu 10/9

11:45-19:30

2 stops8h 45m

£219

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Sat 19/9

17:20-08:45

1 stop14h 25m

Oslo Gardermoen

Wed 23/9

19:15-08:35

1 stop14h 20m

£220

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Thu 17/9

09:05-22:35

1 stop12h 30m

Oslo Gardermoen

Sun 20/9

11:50-08:35

1 stop21h 45m

£220

SouthamptonOslo

SOU Southampton Eastleigh - TRF Oslo Sandefjord

SOUTRF

Southampton Eastleigh

Thu 27/8

20:00-13:25

2 stops16h 25m

Oslo Sandefjord

Thu 3/9

11:45-08:45

2 stops22h 00m

£226

SouthamptonOslo

SOU Southampton Eastleigh - TRF Oslo Sandefjord

SOUTRF

Southampton Eastleigh

Thu 27/8

15:25-20:15

1 stop27h 50m

Oslo Sandefjord

Thu 10/9

11:45-19:30

2 stops8h 45m

£251
Fastest return journey

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Thu 27/8

09:15-16:20

1 stop6h 05m

Oslo Gardermoen

Thu 10/9

17:20-08:35

1 stop16h 15m

£252

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Sat 19/9

12:15-08:45

3 stops19h 30m

Oslo Gardermoen

Wed 23/9

11:00-08:35

3 stops22h 35m

£316

SouthamptonOslo

SOU Southampton Eastleigh - OSL Oslo Gardermoen

SOUOSL

Southampton Eastleigh

Sat 26/9

09:15-00:20

2 stops14h 05m

Oslo Gardermoen

Sat 3/10

08:00-08:45

2 stops25h 45m

£443

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 17 resultsSorted by cheapest first
1
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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.
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

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 7 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 22% 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 7 August 2026.

The most flights from P0R to OS1 are scheduled on a Thursday (37 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 1 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

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

  • 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: Singapore Airlines (88%), Scandinavian Airlines (85%), Virgin Atlantic (85%).

  • What are the cheapest flights from Portsmouth to Oslo?

    Looking at all options, your cheapest flight can be booked for £82. While the most popular route (Southampton Eastleigh - Oslo Gardermoen) can be booked for £168 on average, our data indicates £194 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

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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.
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Top 6 airlines flying from Portsmouth to Oslo

Discover the top 6 airlines that operate flights from Portsmouth 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 7 August 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£27Average£74FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
RyanairCheapest£37Average£63FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
NorwegianCheapest£65Average£145FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
British AirwaysCheapest£80Average£127FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£86Average£236FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£121Average£194FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 Portsmouth to Oslo?

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.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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