£259 Cheap Flights from Southampton (SOU) to Reykjavik (KEF)

View £259 flight on Sat, 9 May 2026Opens in a new window

Popular airlines from Southampton (SOU) to Keflavik International Airport (KEF)

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Cheap Flights from Southampton (SOU) to Reykjavik (KEF)

Prices were available within the past 7 days and start at £259 for one-way flights and £356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, 9 Apr - Wed, 15 Apr
SOU
Southampton
KEF
Reykjavik
£356 Return, found 2 days ago
£356
Return
found 2 days ago
Select KLM flight, departing Thu, 9 Apr from Southampton to Reykjavik, returning Wed, 15 Apr, priced at £356 found 2 days ago
KLM
Thu, 7 May - Mon, 11 May
SOU
Southampton
KEF
Reykjavik
£367 Return, found 5 days ago
£367
Return
found 5 days ago
Select KLM flight, departing Thu, 7 May from Southampton to Reykjavik, returning Mon, 11 May, priced at £367 found 5 days ago
KLM
Sat, 6 Jun - Sun, 21 Jun
SOU
Southampton
KEF
Reykjavik
£377 Return, found 5 days ago
£377
Return
found 5 days ago
Select KLM flight, departing Sat, 6 Jun from Southampton to Reykjavik, returning Sun, 21 Jun, priced at £377 found 5 days ago
KLM
Thu, 7 May - Mon, 11 May
SOU
Southampton
KEF
Reykjavik
£379 Return, found 5 days ago
£379
Return
found 5 days ago
Select KLM flight, departing Thu, 7 May from Southampton to Reykjavik, returning Mon, 11 May, priced at £379 found 5 days ago
KLM
Fri, 10 Apr - Sun, 12 Apr
SOU
Southampton
KEF
Reykjavik
£387 Return, found 4 days ago
£387
Return
found 4 days ago
Select KLM flight, departing Fri, 10 Apr from Southampton to Reykjavik, returning Sun, 12 Apr, priced at £387 found 4 days ago
KLM
Sat, 9 May - Fri, 15 May
SOU
Southampton
KEF
Reykjavik
£395 Return, found 2 days ago
£395
Return
found 2 days ago
Select KLM flight, departing Sat, 9 May from Southampton to Reykjavik, returning Fri, 15 May, priced at £395 found 2 days ago
KLM
Sat, 9 May - Fri, 15 May
SOU
Southampton
KEF
Reykjavik
£398 Return, found 2 days ago
£398
Return
found 2 days ago
Select KLM flight, departing Sat, 9 May from Southampton to Reykjavik, returning Fri, 15 May, priced at £398 found 2 days ago
KLM
Thu, 7 May - Mon, 11 May
SOU
Southampton
KEF
Reykjavik
£402 Return, found 5 days ago
£402
Return
found 5 days ago
Select KLM flight, departing Thu, 7 May from Southampton to Reykjavik, returning Mon, 11 May, priced at £402 found 5 days ago
KLM
Wed, 22 Apr - Wed, 29 Apr
SOU
Southampton
KEF
Reykjavik
£405 Return, found 3 days ago
£405
Return
found 3 days ago
Select KLM flight, departing Wed, 22 Apr from Southampton to Reykjavik, returning Wed, 29 Apr, priced at £405 found 3 days ago
British Airways
Wed, 22 Apr - Wed, 29 Apr
SOU
Southampton
KEF
Reykjavik
£476 Return, found 3 days ago
£476
Return
found 3 days ago
Select British Airways flight, departing Wed, 22 Apr from Southampton to Reykjavik, returning Wed, 29 Apr, priced at £476 found 3 days ago

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Frequently asked questions

How much is a flight from Southampton Airport to Keflavik Intl. Airport (KEF)?
Round-trip tickets between Southampton Airport and Keflavik Intl. Airport (KEF) start from £356. This is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Southampton Airport to KEF?
We understand that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from SOU to KEF that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Southampton Airport to KEF flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SOU to Reykjavík–Keflavík Airport?
Around 1,900 kilometres separates Southampton and Reykjanesbær, so pack some in-flight entertainment to keep you busy for a few hours. That gripping novel you've yet to start will be just the ticket.
Which airlines fly direct from Southampton Airport to Keflavik Intl. Airport (KEF)?
Direct flights aren't available, so you'll have to make at least one stop between Southampton Airport and Keflavik Intl. Airport (KEF). Make the most of the layover time to stretch your legs and freshen up.
Are Southampton Airport to Reykjavík–Keflavík Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes score a bargain, with some of the cheapest airfares from Southampton Airport to KEF cropping up a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines release prices so far in advance.

Travel information

Origin airport
Southampton
Destination airport
Keflavik Intl.
Return price
£355
Distance
1899 km

Book with confidence

Compare flights from Southampton to Reykjavik easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Southampton to Reykjavik. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Keflavik Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Southampton to Keflavik Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Southampton (SOU) to Keflavik Intl. (KEF)

The easiest way to view the best deals on flights from Southampton to Reykjavik today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Southampton to Keflavik Intl. start at just £356 and range up to £476.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Southampton and Reykjavik
  • booking your flight during April, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Southampton to Reykjavik flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Southampton to Keflavik Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Southampton to Reykjavik easily and book with confidence

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