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Cheap flights from Southampton to Reykjavik Keflavik Intl Airport from £288

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — KEF
9 heinä — 16 heinä1
1 adult

Cheap flight deals from Southampton to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Southampton (SOU) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 heinäkuu 2025.

Round-trip from

£338

One-way from

£288

Popular in

July

Cheapest in

January

Average price

£229
17/8-23/8
  • 17/8-23/8
  • 2 total stops
  • 22h 40m total
  • Southampton to Reykjavik
British Airways
  • British Airways
  • 26/8
  • 2 total stops
  • 18h 30m total
  • Southampton to Reykjavik
Highest demand for flights based on searches. 25% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Southampton to Keflavik Intl

Cheapest flights from Southampton to Keflavik Intl
Explore the most affordable flight options available from Southampton to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 heinäkuu 2025.

su 17/814:50SOU - KEF
1 stop10h 40mMultiple Airlines
la 23/801:20KEF - SOU
1 stop12h 00mMultiple Airlines
Deal found 3/7£338
ma 18/819:55SOU - KEF
2 stops39h 05mBritish Airways
la 30/810:00KEF - SOU
2 stops21h 25mBritish Airways
Deal found 4/7£577

Cheapflights Fare Finder

Customise your flight search to find flights from Southampton to Keflavik Intl 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 4 heinäkuu 2025.
Use the filters below to find and compare flights from Southampton to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Southampton

Fly to

Keflavik Intl

Route

Depart

Return

Price

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

su 17/8

14:50-00:30

1 stop10h 40m

Reykjavik Keflavik Intl

la 23/8

01:20-14:20

1 stop12h 00m

£338

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

ma 18/8

19:55-10:00

2 stops39h 05m

Reykjavik Keflavik Intl

la 30/8

10:00-08:25

2 stops21h 25m

£577

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

ti 26/8

16:30-10:00

2 stops18h 30m

£288

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Best time to book a flight from Southampton to Keflavik Intl

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

What is the cheapest month to book a flight from Southampton to Reykjavik Keflavik Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Southampton to Reykjavik Keflavik Intl Airport (average of £75). Flying from Southampton to Reykjavik Keflavik Intl Airport 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.

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Keflavik Intl. Reviews last updated 4 heinäkuu 2025.
Read through reviews of airlines operating flights from Southampton to Reykjavik Keflavik Intl Airport, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

6.6

Crew

7.6

Entertainment

6.4

Boarding

6.8

Food

6.3

Comfort

6.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Overall

6.6

Crew

7.6

Entertainment

6.4

Boarding

6.8

Food

6.3

Comfort

6.7

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Southampton to Reykjavik Keflavik Intl?

    Located just 3.5 mi from the city center, Southampton Eastleigh is the airport most travelers will use when flying to Reykjavik Keflavik Intl from Southampton. Booking flights from Eastleigh (SOU) to Reykjavik Keflavik Intl should be relatively easy as there are 0 daily outbound flights to Reykjavik Keflavik Intl from 0 different airlines.

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

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

  • How can I find direct flights from Southampton to Keflavik Intl?

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

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

    Yes. Cheapflights offers flight deals from Southampton 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.

  • What is the cheapest month to book a flight from Southampton to Reykjavik Keflavik Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Reykjavik Keflavik Intl Airport (average of £75). Flying from Southampton to Reykjavik Keflavik Intl Airport 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

Travelling to a place near Southampton?

Book flights to Southampton if you plan to visit one of these locations
Hveragerdi
Keflavik

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