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Cheap flights from Southampton to Reykjavik Keflavik Intl Airport from £164

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 28/6. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — KEF
12 Jun — 19 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Keflavik Intl

Enter your travel dates to find the best prices.

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 13 May 2026.

Wed 17/618:25
SOU
-
KEF
1 stop14h 40m
Multiple Airlines
Wed 24/614:45
KEF
-
SOU
2 stops16h 50m
Multiple Airlines
Deal found 11/5£307
Sat 6/612:15
SOU
-
KEF
2 stops21h 00m
Multiple Airlines
Fri 12/619:25
KEF
-
SOU
2 stops23h 05m
Multiple Airlines
Deal found 9/5£345
Wed 10/612:20
SOU
-
KEF
2 stops21h 00m
Multiple Airlines
Fri 19/619:25
KEF
-
SOU
3 stops36h 20m
Multiple Airlines
Deal found 10/5£376

Find 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 13 May 2026.

Round-trip from

£307

One-way from

£164

Popular in

July

Cheapest in

January

Average price

£207
easyJet
  • easyJet
  • 17/6-24/6
  • 3 total stops
  • 31h 30m total
  • Southampton to Reykjavik
Search Deals
KLM
  • KLM
  • 28/6
  • 1 total stop
  • 15h 30m total
  • Southampton to Reykjavik
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

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 13 May 2026.
Use the filters below to find and compare flights from Southampton to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 17/6

18:25-08:05

1 stop14h 40m

Reykjavik Keflavik Intl

Wed 24/6

14:45-08:35

2 stops16h 50m

£307

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 6/6

12:15-08:15

2 stops21h 00m

Reykjavik Keflavik Intl

Fri 12/6

19:25-19:30

2 stops23h 05m

£345
Fastest return journey

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 10/6

12:20-08:05

1 stop20h 45m

Reykjavik Keflavik Intl

Fri 19/6

08:00-17:45

1 stop8h 45m

£509

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 10/10

14:55-09:30

2 stops19h 35m

Reykjavik Keflavik Intl

Fri 16/10

10:30-09:45

2 stops22h 15m

£574
Cheapest one-way
Fastest single journey

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sun 28/6

17:20-07:50

1 stop15h 30m

£164

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sun 28/6

14:45-07:50

2 stops42h 05m

£185

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Tue 23/6

15:15-10:00

2 stops19h 45m

£392

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 4/7

14:55-09:30

2 stops19h 35m

£393

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 20/5

15:15-09:40

2 stops19h 25m

£495

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Fri 23/10

15:15-09:25

2 stops19h 10m

£495

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Sorted by cheapest first

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.

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.

See more FAQs

Travelling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Hveragerdi
Keflavik

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Yes! Start tracking prices for Southampton to Keflavik Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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