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 is the cheapest time of day to fly from SOU to KEF?

When flying from Southampton to Reykjavik Keflavik Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£238+ Cheap Flights from Southampton to Reykjavik Keflavik Intl Airport

Cheap flight deals from Southampton to Keflavik Intl

Enter your travel dates to find the best prices.

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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 22 September 2026.

Thu 5/1112:35 -

2 stops8h 40m

Thu 12/1110:05 -

2 stops9h 25m

Deal found 21/9£238

Tue 17/1117:35 -

1 stop20h 10m

Sun 22/1114:45 -

1 stop26h 20m

Deal found 19/9£342

Sun 25/1019:30 -

1 stop21h 45m

Sun 1/1111:05 -

2 stops24h 50m

Deal found 17/9£373

Sat 12/1212:35 -

2 stops22h 10m

Wed 16/1211:45 -

2 stops27h 55m

Deal found 17/9£570

Find flight deals from Southampton to Keflavik Intl

Round-trip from	£238
Popular in	July
Cheapest in	January
Average price	£246

5/11-12/11
4 total stops
18h 05m total
Southampton to Reykjavik

Search Deals

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

Search Deals

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

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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 Southampton to Reykjavik Keflavik Intl Airport that are best for you.

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Route

Depart

Return

Price

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SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Thu 5/11

12:35-21:15

2 stops8h 40m

Reykjavik Keflavik Intl

Thu 12/11

10:05-19:30

2 stops9h 25m

£238

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

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Tue 17/11

08:40-17:20

2 stops8h 40m

Reykjavik Keflavik Intl

Sun 22/11

14:45-17:05

1 stop26h 20m

£481

SouthamptonReykjavik

SOU Southampton Eastleigh - KEF Reykjavik Keflavik Intl

SOUKEF

Southampton Eastleigh

Sat 12/12

12:35-10:45

2 stops22h 10m

Reykjavik Keflavik Intl

Wed 16/12

11:45-15:40

2 stops27h 55m

£570

Flights are sorted by cheapest return flights first.

Deals found on 21/9

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.

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.

Related info for your journey

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.

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Cheap flights from Southampton to Reykjavik Keflavik Intl Airport from £238

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Keflavik Intl

Cheapest flights from Southampton to Keflavik IntlExplore 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 22 September 2026.

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 22 September 2026.

Best flights from Southampton to Keflavik IntlDiscover carefully curated flight deals from Southampton to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Discover carefully curated flight deals from Southampton to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from Southampton to Keflavik IntlDiscover last-minute flight deals from Southampton to Keflavik Intl. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to Keflavik Intl. Data last updated 22 September 2026 and is based on user searches.

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

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.

Related info for your journey

What airport do you fly from for flights from Southampton to Reykjavik Keflavik Intl?

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

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

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

Travelling to a place near Reykjavik Keflavik Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Southampton 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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Find flights from Southampton to Keflavik Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

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 22 September 2026.

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

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

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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 22 September 2026.

Best flights from Southampton to Keflavik Intl
Discover carefully curated flight deals from Southampton to Keflavik Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from Southampton to Keflavik Intl
Discover last-minute flight deals from Southampton to Keflavik Intl. Data last updated 22 September 2026 and is based on user searches.