How long is the flight from Portsmouth to Iceland?

Departing from Portsmouth to Iceland will take you 25h 55m. The distance from Portsmouth to Iceland is about 1185 mi.

In terms of precipitation, rainfall in Iceland ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. May is typically the driest time to visit Iceland when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Iceland, 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 11.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

What are the cheapest flights from Portsmouth to Iceland?

Looking for the cheapest flight from Portsmouth to Iceland? While on average our users pay £741, our data indicates the cheapest price to be £194. The most popular route (Southampton Eastleigh - Reykjavik Keflavik Intl), is priced around £253.

What are the most reliable airlines from Portsmouth to Iceland?

The top 3 most reliable airlines when flying from Portsmouth to Iceland are Icelandair (81%), Emirates (81%) and Air India (81%).

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.

£253+ Cheap Flights from Portsmouth to Iceland

Cheap flight deals from Portsmouth to Iceland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 20 August 2026.

Fri 30/1017:30 -

1 stop20h 15m

Mon 2/1114:45 -

1 stop17h 25m

Deal found 18/8£253

Fri 30/1015:00 -

2 stops18h 30m

Mon 2/1112:05 -

2 stops20h 20m

Deal found 18/8£263

Thu 17/909:05 -

1 stop23h 45m

Wed 23/920:00 -

1 stop11h 35m

Deal found 20/8£268

Wed 16/917:20 -

1 stop25h 55m

Wed 23/920:00 -

1 stop11h 35m

Deal found 19/8£307

Sun 4/1017:20 -

1 stop15h 30m

Sun 11/1019:15 -

1 stop12h 20m

Deal found 20/8£310

Wed 16/908:55 -

2 stops25h 30m

Wed 23/910:45 -

2 stops20h 50m

Deal found 19/8£315

Find flight deals from Portsmouth to Iceland

Round-trip from	£253
Popular in	August
Cheapest in	January
Average price	£287

KLM
30/10-2/11
2 total stops
37h 40m total
Portsmouth to Iceland

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£50 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£7 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

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Fri 30/10

15:00-09:30

2 stops18h 30m

Reykjavik Keflavik Intl

Mon 2/11

12:05-08:25

2 stops20h 20m

£263

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Wed 16/9

17:20-18:15

1 stop25h 55m

Reykjavik Keflavik Intl

Wed 23/9

20:00-08:35

1 stop11h 35m

£307

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Wed 16/9

08:55-09:25

2 stops25h 30m

Reykjavik Keflavik Intl

Wed 23/9

10:45-08:35

2 stops20h 50m

£315

Fastest return journey

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sun 4/10

09:15-07:50

1 stop23h 35m

Reykjavik Keflavik Intl

Sun 11/10

19:15-08:35

1 stop12h 20m

£329

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sun 4/10

19:30-16:40

2 stops22h 10m

Reykjavik Keflavik Intl

Sun 11/10

19:15-16:50

2 stops20h 35m

£411

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Thu 17/9

12:35-07:05

3 stops19h 30m

Reykjavik Keflavik Intl

Wed 23/9

17:35-19:30

3 stops24h 55m

£534

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sat 12/12

12:35-17:00

2 stops28h 25m

Reykjavik Keflavik Intl

Wed 16/12

11:45-19:00

2 stops31h 15m

£535

Cheapest one-way

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Thu 31/12

12:35-17:05

2 stops28h 30m

£301

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Wed 30/12

19:40-10:50

2 stops39h 10m

£317

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sat 5/9

08:55-09:30

2 stops25h 35m

£340

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 13 resultsSorted by cheapest first

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.

SOU-KEF

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

P0R-IS0

SOU-KEF

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

One of the essential ways to save on airfare from Portsmouth to Iceland is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 24% on airfare.

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

Travellers seeking maximum savings on their Portsmouth to Iceland flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday 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 Iceland?
Departing from Portsmouth to Iceland will take you 25h 55m. The distance from Portsmouth to Iceland is about 1185 mi.
What are the most reliable airlines from Portsmouth to Iceland?
The top 3 most reliable airlines when flying from Portsmouth to Iceland are Icelandair (81%), Emirates (81%) and Air India (81%).
What are the cheapest flights from Portsmouth to Iceland?
Looking for the cheapest flight from Portsmouth to Iceland? While on average our users pay £741, our data indicates the cheapest price to be £194. The most popular route (Southampton Eastleigh - Reykjavik Keflavik Intl), is priced around £253.
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.

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Top 4 airlines flying from Portsmouth to Iceland

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£53	Average£126	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Icelandair	Cheapest£118	Average£261	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£130	Average£223	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Scandinavian Airlines	Cheapest£166	Average£343	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights

Fly with Cheapflights

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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Cheap flights from Portsmouth to Iceland from £253

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Portsmouth to Iceland

Cheapest flights from Portsmouth to IcelandExplore 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 20 August 2026.

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 20 August 2026.

Best flights from Portsmouth to IcelandDiscover carefully curated flight deals from Portsmouth to Iceland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Discover carefully curated flight deals from Portsmouth to Iceland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Last-minute flights from Portsmouth to IcelandDiscover last-minute flight deals from Portsmouth to Iceland. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Iceland. Data last updated 20 August 2026 and is based on user searches.

One-way flights from Portsmouth to IcelandSearch for one-way flight options from Portsmouth to Iceland. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Search for one-way flight options from Portsmouth to Iceland. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Find flight deals from Portsmouth to Iceland

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Use the filters below to find and compare flights from Portsmouth to Iceland that are best for you.

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.

Cheapflights Insights

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 20 August 2026.

One of the essential ways to save on airfare from Portsmouth to Iceland is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 24% on airfare.

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

Use this chart to determine the cheapest time to fly return from Portsmouth to Iceland. Price data was last updated on 11 July 2026.

Travellers seeking maximum savings on their Portsmouth to Iceland flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday 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 Iceland?

What are the most reliable airlines from Portsmouth to Iceland?

What are the cheapest flights from Portsmouth to Iceland?

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

How can I find direct flights from Portsmouth to Iceland?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portsmouth to Iceland

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

Complete your trip

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

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Search flights from Portsmouth to Iceland by cabin class

Find flights from Portsmouth to Iceland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portsmouth and Iceland flights

Browse other Portsmouth and Iceland flight options. Last updated on 20 August 2026.

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Portsmouth to Iceland flights

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Top 4 airlines flying from Portsmouth to Iceland

Fly with Cheapflights

How does Cheapflights help users find flights from Portsmouth to Iceland?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 20 August 2026.

Best flights from Portsmouth to Iceland
Discover carefully curated flight deals from Portsmouth to Iceland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Last-minute flights from Portsmouth to Iceland
Discover last-minute flight deals from Portsmouth to Iceland. Data last updated 20 August 2026 and is based on user searches.

One-way flights from Portsmouth to Iceland
Search for one-way flight options from Portsmouth to Iceland. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.