Find flights
When to book
Airlines
FAQs

Cheap flights from Southampton to Reykjavik Keflavik Intl Airport from £269

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — KEF
4 May — 11 May1
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 29 April 2025.

Round-trip from

£269

Popular in

October

Cheapest in

January

Average price

£85
22/8-26/8
  • 22/8-26/8
  • 2 total stops
  • 30h 15m total
  • Southampton to Reykjavik
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 29 April 2025.

Fri 22/820:00SOU - KEF
1 stop18h 15mMultiple Airlines
Tue 26/806:30KEF - SOU
1 stop12h 00mMultiple Airlines
Deal found 28/4£269
Fri 9/508:55SOU - KEF
2 stops25h 15mBritish Airways
Mon 12/510:45KEF - SOU
2 stops20h 40mBritish Airways
Deal found 28/4£625

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 29 April 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

Fri 22/8

20:00-13:15

1 stop18h 15m

Reykjavik Keflavik Intl

Tue 26/8

06:30-19:30

1 stop12h 00m

£269

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Fri 9/5

08:55-09:10

2 stops25h 15m

Reykjavik Keflavik Intl

Mon 12/5

10:45-08:25

2 stops20h 40m

£625

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sun 25/5

08:55-09:45

2 stops25h 50m

£310

Flights are sorted by cheapest return flights first.

Deals found on 27/4

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.

Rainfall in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average rainfall totals by month.

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.

Temperature in Keflavik Intl by month

Plan your trip to Keflavik Intl by taking into account the average temperature totals by month.

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).

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 29 April 2025.
British Airways
6.6
Okay
6,835 reviews
Check prices

Overall

6.6

Boarding

6.8

Crew

7.6

Entertainment

6.4

Food

6.3

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

yvonne,Apr 2025

LHR - ORD

Baby in front of me cried throughout the flight.(This was beyond the crew control) A flight attendant that decided he wanted to have continuous conservation with the passenger also in front of me. Considering it was a night flight it was literally painful. Thank you
British Airways
6.6
Okay
6,835 reviews
British Airways
6.6
Okay
6,835 reviews
Check prices

Overall

6.6

Boarding

6.8

Crew

7.6

Entertainment

6.4

Food

6.3

Comfort

6.7

Reviews

1 / 20
8.0
Excellent

yvonne,Apr 2025

LHR - ORD

Baby in front of me cried throughout the flight.(This was beyond the crew control) A flight attendant that decided he wanted to have continuous conservation with the passenger also in front of me. Considering it was a night flight it was literally painful. Thank you

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
Keflavik

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.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Southampton to Keflavik Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

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

Yes, we can. To see specific flights from Southampton to Keflavik Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights