How long is the flight from Portsmouth to Reykjavik Keflavik Intl Airport?

A quick flight from Portsmouth to Reykjavik Keflavik Intl Airport can take about 20h 10m. KLM provides one of the quickest options available for as low as £409. The distance from Portsmouth to Reykjavik Keflavik Intl Airport is about 1185 mi.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport 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 Reykjavik Keflavik Intl Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, 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 Reykjavik Keflavik Intl Airport?

While on average a flight from Portsmouth to Reykjavik Keflavik Intl Airport is generally £677, our data shows the cheapest flight currently is £126. When looking at the most popular route, (Southampton Eastleigh - Reykjavik Keflavik Intl), you can expect to pay £246 for that flight.

What are the most reliable airlines from Portsmouth to Reykjavik Keflavik Intl Airport?

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 Reykjavik Keflavik Intl Airport on time: Emirates (84%), Air India (84%), TAP AIR PORTUGAL (84%).

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

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

How can I find direct flights from Portsmouth to Keflavik Intl?

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

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

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

£90+ Cheap Flights from Portsmouth to Reykjavik Keflavik Intl Airport

Cheap flight deals from Portsmouth to Keflavik Intl

Enter your travel dates to find the best prices.

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Cheapest flights from Portsmouth to Keflavik Intl
Explore the most affordable flight options available from Portsmouth to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Wed 28/1015:05 -

2 stops17h 25m

Wed 4/1111:50 -

2 stops21h 00m

Deal found 13/9£246

Thu 29/1013:55 -

2 stops20h 35m

Thu 5/1110:05 -

2 stops9h 25m

Deal found 14/9£265

Sun 25/1019:30 -

1 stop21h 45m

Sun 1/1111:05 -

2 stops24h 50m

Deal found 17/9£373

Sat 3/1012:15 -

2 stops21h 00m

Sun 4/1019:35 -

3 stops22h 55m

Deal found 13/9£400

Thu 29/1017:35 -

1 stop20h 10m

Thu 5/1114:45 -

1 stop17h 25m

Deal found 14/9£409

Find flight deals from Portsmouth to Keflavik Intl

Round-trip from	£246
One-way from	£90
Popular in	July
Cheapest in	January
Average price	£247

28/10-4/11
4 total stops
38h 25m total
Portsmouth to Reykjavik

Search Deals

10/1-31/12
2 total stops
24h 35m total
Portsmouth to Reykjavik

Search Deals

Highest demand for flights based on searches. 26% potential increase in price (£53 potential increase over avg. return price).

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Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Portsmouth to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sat 9/1

12:35-20:55

2 stops32h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£114

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Fri 8/1

17:15-20:20

3 stops27h 05m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£135

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Fri 8/1

17:30-13:45

1 stop20h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£159

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sat 9/1

17:30-13:45

1 stop20h 15m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£159

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sat 19/12

08:20-09:15

2 stops24h 55m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£166

Fastest return journey

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sat 19/12

08:20-14:20

1 stop6h 00m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£168

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Thu 29/10

13:55-10:30

2 stops20h 35m

Reykjavik Keflavik Intl

Thu 5/11

10:05-19:30

2 stops9h 25m

£265

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Wed 30/12

19:55-17:15

2 stops21h 20m

Reykjavik Keflavik Intl

Wed 31/12

00:00-01:00

Nonstop0h 00m

£296

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Wed 28/10

19:55-08:30

1 stop12h 35m

Reykjavik Keflavik Intl

Wed 4/11

11:50-08:50

2 stops21h 00m

£298

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sun 25/10

19:30-17:15

1 stop21h 45m

Reykjavik Keflavik Intl

Sun 1/11

11:05-11:55

2 stops24h 50m

£373

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 13 resultsSorted by cheapest first

Best time to book a flight from Portsmouth to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl 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 Reykjavik Keflavik Intl Airport

P0R-KEF

SOU-KEF

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

Unlike at midday, when flights are generally more expensive, you can save up to 23% on flights from Portsmouth to Reykjavik Keflavik Intl Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Portsmouth to Reykjavik Keflavik Intl Airport?

Travellers seeking maximum savings on their Portsmouth to Reykjavik Keflavik Intl Airport flight should consider departing on Sunday at midday 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 Reykjavik Keflavik Intl Airport?
A quick flight from Portsmouth to Reykjavik Keflavik Intl Airport can take about 20h 10m. KLM provides one of the quickest options available for as low as £409. The distance from Portsmouth to Reykjavik Keflavik Intl Airport is about 1185 mi.
What are the most reliable airlines from Portsmouth to Reykjavik Keflavik Intl Airport?
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 Reykjavik Keflavik Intl Airport on time: Emirates (84%), Air India (84%), TAP AIR PORTUGAL (84%).
What are the cheapest flights from Portsmouth to Reykjavik Keflavik Intl Airport?
While on average a flight from Portsmouth to Reykjavik Keflavik Intl Airport is generally £677, our data shows the cheapest flight currently is £126. When looking at the most popular route, (Southampton Eastleigh - Reykjavik Keflavik Intl), you can expect to pay £246 for that flight.
Can I find deals for flights from Portsmouth to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on Portsmouth to Keflavik Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Portsmouth to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portsmouth to Keflavik Intl.
Can I find deals for business class flights from Portsmouth to Keflavik Intl?
Yes. Cheapflights offers flight deals from Portsmouth to Keflavik Intl 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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Keflavik

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Alternative routes for Portsmouth to Keflavik Intl

Heathrow to Keflavik Intl flights

Gatwick to Keflavik Intl flights

Luton to Keflavik Intl flights

London City to Keflavik Intl flights

Stansted to Keflavik Intl flights

Manchester to Keflavik Intl flights

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Exeter to Keflavik Intl flights

Top 4 airlines flying from Portsmouth to Keflavik Intl

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£54	Average£117	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Icelandair	Cheapest£120	Average£258	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£134	Average£245	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Scandinavian Airlines	Cheapest£168	Average£348	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights

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How does Cheapflights help users find flights from Portsmouth to Keflavik Intl?

Cheapflights makes it easy to find Portsmouth to Keflavik Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

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

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

Yes, Cheapflights offers price alerts on Portsmouth to Keflavik Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Portsmouth to Reykjavik Keflavik Intl Airport from £90

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

Cheap flight deals from Portsmouth to Keflavik Intl

Cheapest flights from Portsmouth to Keflavik IntlExplore the most affordable flight options available from Portsmouth to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Explore the most affordable flight options available from Portsmouth to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from Portsmouth to Keflavik IntlDiscover carefully curated flight deals from Portsmouth to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from Portsmouth to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Portsmouth to Keflavik IntlDiscover last-minute flight deals from Portsmouth to Keflavik Intl. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Portsmouth to Keflavik Intl. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Portsmouth to Keflavik IntlSearch for one-way flight options from Portsmouth to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from Portsmouth to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from Portsmouth to Keflavik Intl

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Use the filters below to find and compare flights from Portsmouth to Reykjavik Keflavik Intl Airport that are best for you.

Best time to book a flight from Portsmouth to Keflavik Intl

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

Cheapflights Insights

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

Find hourly flight availability from Portsmouth to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 23% on flights from Portsmouth to Reykjavik Keflavik Intl Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Portsmouth to Reykjavik Keflavik Intl Airport?

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

Travellers seeking maximum savings on their Portsmouth to Reykjavik Keflavik Intl Airport flight should consider departing on Sunday at midday 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 Reykjavik Keflavik Intl Airport?

What are the most reliable airlines from Portsmouth to Reykjavik Keflavik Intl Airport?

What are the cheapest flights from Portsmouth to Reykjavik Keflavik Intl Airport?

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

How can I find direct flights from Portsmouth to Keflavik Intl?

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

Travelling to a place near Reykjavik Keflavik Intl Airport?

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Alternative routes for Portsmouth to Keflavik Intl

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

Complete your trip

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

Direct flights to Iceland

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Search flights from Portsmouth to Keflavik Intl by cabin class

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Other flights to Keflavik Intl

Explore flights to Keflavik Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2026.

Portsmouth and Keflavik Intl flights

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Top 4 airlines flying from Portsmouth to Keflavik Intl

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

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Cheapest flights from Portsmouth to Keflavik Intl
Explore the most affordable flight options available from Portsmouth to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from Portsmouth to Keflavik Intl
Discover carefully curated flight deals from Portsmouth to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Last-minute flights from Portsmouth to Keflavik Intl
Discover last-minute flight deals from Portsmouth to Keflavik Intl. Data last updated 17 September 2026 and is based on user searches.

One-way flights from Portsmouth to Keflavik Intl
Search for one-way flight options from Portsmouth to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.