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Cheap flights from Southampton to Reykjavik from £309

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Southampton to Reykjavik departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Southampton to Reykjavik

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
18:05 - 08:35
SOU
-
KEF
15h 30m
1 stop
KLM Logo
11:15 - 08:45
KEF
-
SOU
20h 30m
2 stops
£309KLM
Wed, 12 Aug - Tue, 18 Aug
KLM Logo
18:05 - 08:35
SOU
-
KEF
15h 30m
1 stop
KLM Logo
11:15 - 08:45
KEF
-
SOU
20h 30m
2 stops
£316KLM
Wed, 12 Aug - Tue, 18 Aug
KLM Logo
18:05 - 17:35
SOU
-
KEF
24h 30m
2 stops
KLM Logo
11:15 - 08:45
KEF
-
SOU
20h 30m
2 stops
£320KLM
Wed, 12 Aug - Tue, 18 Aug
KLM Logo
18:05 - 08:35
SOU
-
KEF
15h 30m
1 stop
KLM Logo
11:15 - 08:45
KEF
-
SOU
20h 30m
2 stops
£326KLM
Wed, 12 Aug - Tue, 18 Aug
KLM Logo
18:05 - 17:35
SOU
-
KEF
24h 30m
2 stops
KLM Logo
11:15 - 08:45
KEF
-
SOU
20h 30m
2 stops
£336KLM
Wed, 12 Aug - Tue, 18 Aug
KLM Logo
09:20 - 19:05
SOU
-
KEF
10h 45m
1 stop
KLM Logo
14:45 - 08:10
KEF
-
SOU
17h 25m
1 stop
£341KLM
Sat, 24 Oct - Tue, 27 Oct
Multiple Airlines Logo
10:45 - 09:40
SOU
-
KEF
23h 55m
3 stops
Multiple Airlines Logo
18:10 - 19:30
KEF
-
SOU
24h 20m
2 stops
£345Multiple Airlines
Wed, 12 Aug - Tue, 18 Aug
KLM Logo
09:20 - 19:05
SOU
-
KEF
10h 45m
1 stop
KLM Logo
12:10 - 08:10
KEF
-
SOU
20h 00m
2 stops
£345KLM
Sat, 24 Oct - Tue, 27 Oct
Multiple Airlines Logo
10:45 - 08:00
SOU
-
KEF
22h 15m
3 stops
Multiple Airlines Logo
18:10 - 19:30
KEF
-
SOU
24h 20m
2 stops
£348Multiple Airlines
Wed, 12 Aug - Tue, 18 Aug
Multiple Airlines Logo
10:45 - 08:00
SOU
-
KEF
22h 15m
3 stops
Multiple Airlines Logo
18:10 - 19:30
KEF
-
SOU
24h 20m
2 stops
£350Multiple Airlines
Wed, 12 Aug - Tue, 18 Aug

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KLM flights from Southampton to Reykjavik Keflavik Intl Airport

Our best KLM deals on Southampton to Reykjavik Keflavik Intl Airport flight tickets
KLM
12 Aug
SOU18:05Southampton Eastleigh
15h 30m
1 stop
KEF08:35Reykjavik Keflavik Intl
18 Aug
KEF11:15Reykjavik Keflavik Intl
20h 30m
2 stops
SOU08:45Southampton Eastleigh
£309
KLM
12 Aug
SOU18:05Southampton Eastleigh
15h 30m
1 stop
KEF08:35Reykjavik Keflavik Intl
18 Aug
KEF11:15Reykjavik Keflavik Intl
20h 30m
2 stops
SOU08:45Southampton Eastleigh
£316
KLM
12 Aug
SOU18:05Southampton Eastleigh
24h 30m
2 stops
KEF17:35Reykjavik Keflavik Intl
18 Aug
KEF11:15Reykjavik Keflavik Intl
20h 30m
2 stops
SOU08:45Southampton Eastleigh
£320

momondo Fare Finder

 
Customise your flight search to find flights from Southampton to Reykjavik Keflavik Intl Airport 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, momondo users made 279,928 searches. Data last updated 29 June 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 12/8

18:05-08:35

1 stop15h 30m

Reykjavik Keflavik Intl

Tue 18/8

11:15-08:45

2 stops20h 30m

£309

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 12/8

18:05-08:35

1 stop15h 30m

Reykjavik Keflavik Intl

Tue 18/8

11:15-08:45

2 stops20h 30m

£316

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 12/8

18:05-17:35

2 stops24h 30m

Reykjavik Keflavik Intl

Tue 18/8

11:15-08:45

2 stops20h 30m

£320

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 12/8

18:05-08:35

1 stop15h 30m

Reykjavik Keflavik Intl

Tue 18/8

11:15-08:45

2 stops20h 30m

£326

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 12/8

18:05-17:35

2 stops24h 30m

Reykjavik Keflavik Intl

Tue 18/8

11:15-08:45

2 stops20h 30m

£336
Fastest return journey

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 24/10

09:20-19:05

1 stop10h 45m

Reykjavik Keflavik Intl

Tue 27/10

14:45-08:10

1 stop17h 25m

£341

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 12/8

10:45-09:40

3 stops23h 55m

Reykjavik Keflavik Intl

Tue 18/8

18:10-19:30

2 stops24h 20m

£345

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Sat 24/10

09:20-19:05

1 stop10h 45m

Reykjavik Keflavik Intl

Tue 27/10

12:10-08:10

2 stops20h 00m

£345

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 12/8

10:45-08:00

3 stops22h 15m

Reykjavik Keflavik Intl

Tue 18/8

18:10-19:30

2 stops24h 20m

£348

SouthamptonReykjavik

SOU - KEF

SOUKEF

Southampton Eastleigh

Wed 12/8

10:45-08:00

3 stops22h 15m

Reykjavik Keflavik Intl

Tue 18/8

18:10-19:30

2 stops24h 20m

£350

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to Reykjavik from

How to get the cheapest flight ticket from Southampton to Reykjavik Keflavik Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

On average, the least expensive day to fly to Reykjavik Keflavik Intl Airport from Southampton is on a Sunday. momondo users have found tickets for Sunday departures for as low as £363. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Southampton to Reykjavik Keflavik Intl Airport on a Wednesday will generally be more expensive and average around £421. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

Our data shows that the cheapest Southampton to Reykjavik Keflavik Intl Airport flights are usually those with departure times in the morning. Our users have found flights to Reykjavik Keflavik Intl Airport in the morning for as low as £345. Try not to purchase tickets at midday because they tend to be around £499. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Southampton to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Southampton to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Southampton to Reykjavik Keflavik Intl Airport (SOU to KEF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Southampton to Reykjavik Keflavik Intl Airport

Fastest flight time

10h 45m

Direct flights

None
The fastest flight from Southampton to Reykjavik Keflavik Intl Airport takes 10h 45m
There are no direct flights from Southampton to Reykjavik Keflavik Intl Airport. There are no popular flight routes from Southampton to Reykjavik Keflavik Intl Airport.
Search flight deals

Frequently asked questions about flying from Southampton to Reykjavik Keflavik Intl Airport

  • How far is Southampton Eastleigh to Reykjavik Keflavik Intl by plane?

    Reykjavik Keflavik Intl is 1186.6 mi away from Southampton Eastleigh. Flights usually cover this in 10h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Southampton Eastleigh Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Southampton Eastleigh Airport to Reykjavik Keflavik Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Southampton Eastleigh Airport to Reykjavik Keflavik Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Southampton Eastleigh Airport to Reykjavik Keflavik Intl Airport.

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The required travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Reykjavik Keflavik Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Selfoss
Grindavik
Hella
Kopavogur
Borgarnes
Hveragerdi

Why use momondo?

Why should I use momondo to find a flight deal from Southampton to Reykjavik?

Finding the right flight to Reykjavik from Southampton is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Reykjavik quick and easy, saving you time and money.

Can I find flights from Southampton to Reykjavik with flexible booking policies on momondo?

All flight searches from Southampton to Reykjavik on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Southampton to Reykjavik?

Once all potential Southampton to Reykjavik flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Southampton to Reykjavik right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Reykjavik, momondo offers a useful price alert feature which will track prices for flights to Reykjavik from Southampton and alert you when they change.

An easier way to manage your Reykjavik Keflavik Intl Airport trip

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