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Cheap flights from Portsmouth to Iceland from £308

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KEF
31 Aug — 7 Sep1
1 adult

Cheap flight deals from Portsmouth to Iceland

Keep the following information in mind while searching for Portsmouth to Iceland flight deals. Data was last updated 26 August 2025.

Round-trip from

£308

Popular in

July

Cheapest in

January

Average price

£208
2/10-7/10
  • 2/10-7/10
  • 5 total stops
  • 40h 30m total
  • Portsmouth to Iceland
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Portsmouth to Iceland

Cheapest flights from Portsmouth to Iceland
Explore the most affordable flight options available from Portsmouth to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Thu 2/1020:00SOU - KEF
3 stops28h 40mMultiple Airlines
Tue 7/1006:40KEF - SOU
2 stops11h 50mMultiple Airlines
Deal found 25/8£308
Sat 20/1207:15SOU - KEF
1 stop13h 05mMultiple Airlines
Mon 29/1219:50KEF - SOU
1 stop13h 45mMultiple Airlines
Deal found 25/8£326
Sat 20/1207:15SOU - KEF
2 stops33h 50mBritish Airways
Mon 29/1211:50KEF - SOU
2 stops21h 45mBritish Airways
Deal found 25/8£611
Sun 19/1016:00SOU - KEF
2 stops18h 45mBritish Airways
Wed 22/1010:55KEF - SOU
2 stops20h 15mBritish Airways
Deal found 25/8£626

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Iceland 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 26 August 2025.
Use the filters below to find and compare flights from Portsmouth to Iceland that are best for you.

Fly from

Portsmouth

Fly to

Iceland

Route

Depart

Return

Price

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Thu 2/10

20:00-23:40

3 stops28h 40m

Reykjavik Keflavik Intl

Tue 7/10

06:40-19:30

2 stops11h 50m

£308

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 20/12

07:15-20:20

1 stop13h 05m

Reykjavik Keflavik Intl

Mon 29/12

19:50-09:35

1 stop13h 45m

£326

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 20/12

07:15-17:05

2 stops33h 50m

Reykjavik Keflavik Intl

Mon 29/12

11:50-09:35

2 stops21h 45m

£611

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sun 19/10

16:00-09:45

2 stops18h 45m

Reykjavik Keflavik Intl

Wed 22/10

10:55-08:10

2 stops20h 15m

£626

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Best time to book a flight from Portsmouth to Iceland

Have a flexible travel schedule? Discover the best time to fly to Iceland 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 Iceland

What is the cheapest month to book a flight from Portsmouth to Iceland?

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Iceland (average of £75). Flying from Portsmouth to Iceland in July is currently the most expensive (average of £289). 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 P0R to IS?

Find hourly flight availability from Portsmouth to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Portsmouth to Iceland as you normally would.

Weekly flight availability from Portsmouth to Iceland

Explore weekly flight availability from Portsmouth to Iceland. 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 26 August 2025.

The most flights from P0R to IS0 are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Iceland. 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 Iceland?

    The top 3 most reliable airlines when flying from Portsmouth to Iceland are American Airlines (88%), Qatar Airways (88%) and Japan Airlines (88%).

  • What are the cheapest flights from Portsmouth to Iceland?

    Looking for the cheapest flight from Portsmouth to Iceland? While on average our users pay £950, our data indicates the cheapest price to be £98. The most popular route (Southampton Eastleigh - Reykjavik Keflavik Intl), is priced around £308.

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

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

  • How can I find direct flights from Portsmouth to Iceland?

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Iceland 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 Portsmouth to Iceland?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Iceland (average of £75). Flying from Portsmouth to Iceland in July is currently the most expensive (average of £289). 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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Top 5 airlines flying from Portsmouth to Iceland

Discover the top 5 airlines that operate flights from Portsmouth to Iceland. 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 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£48Average£100FlexibilityNo cancel feeOn-time86%
Search easyJet flights
PLAYCheapest£77Average£126FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£114Average£289FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£116Average£203FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£134Average£272FlexibilityNo 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 Portsmouth to Iceland?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Portsmouth to Iceland. 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 Portsmouth to Iceland?

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Iceland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Portsmouth to Iceland with no change fees.

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

Not ready to book yet? You can track prices for flights from Portsmouth to Iceland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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