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Cheap flights from London Southend Airport to Reykjavik Keflavik Intl Airport from £112

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — KEF
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southend to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from Southend to Keflavik Intl
Explore the most affordable flight options available from Southend to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2026.

Thu 16/713:45
SEN
-
KEF
1 stop11h 35m
Multiple Airlines
Thu 30/701:10
KEF
-
SEN
1 stop8h 35m
Multiple Airlines
Deal found 26/4£298
Thu 11/610:10
SEN
-
KEF
1 stop9h 35m
Multiple Airlines
Wed 17/600:50
KEF
-
SEN
1 stop11h 10m
Multiple Airlines
Deal found 27/4£303
Thu 4/610:10
SEN
-
KEF
1 stop9h 35m
Multiple Airlines
Sun 7/600:50
KEF
-
SEN
1 stop8h 40m
Multiple Airlines
Deal found 26/4£321
Sat 7/1107:15
SEN
-
KEF
1 stop6h 30m
Multiple Airlines
Sun 22/1114:45
KEF
-
SEN
1 stop5h 25m
Multiple Airlines
Deal found 28/4£329
Thu 4/610:10
SEN
-
KEF
1 stop9h 35m
Multiple Airlines
Sat 6/600:50
KEF
-
SEN
1 stop8h 35m
Multiple Airlines
Deal found 28/4£332
Fri 20/1107:35
SEN
-
KEF
1 stop6h 10m
Multiple Airlines
Sun 22/1114:45
KEF
-
SEN
1 stop5h 25m
Multiple Airlines
Deal found 26/4£336
Fri 27/1107:35
SEN
-
KEF
1 stop6h 10m
Multiple Airlines
Sun 29/1114:45
KEF
-
SEN
1 stop5h 25m
Multiple Airlines
Deal found 25/4£337
Fri 4/1207:35
SEN
-
KEF
1 stop6h 10m
Multiple Airlines
Sun 6/1214:45
KEF
-
SEN
1 stop5h 25m
Multiple Airlines
Deal found 25/4£339
Sat 13/607:55
SEN
-
KEF
1 stop11h 50m
Multiple Airlines
Sun 14/600:50
KEF
-
SEN
1 stop8h 40m
Multiple Airlines
Deal found 26/4£350

Find flight deals from Southend to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Southend (SEN) 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 2026.

Round-trip from

£298

One-way from

£112

Popular in

July

Cheapest in

January

Average price

£152
16/7-30/7
  • 16/7-30/7
  • 2 total stops
  • 20h 10m total
  • London to Reykjavik
Search Deals
6/5
  • 6/5
  • 2 total stops
  • 34h 40m total
  • London to Reykjavik
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (£48 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 April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southend 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 2026.
Use the filters below to find and compare flights from London Southend Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Thu 30/7

13:45-00:20

1 stop11h 35m

Reykjavik Keflavik Intl

Sun 2/8

01:20-10:30

1 stop8h 10m

£370

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 31/8

11:10-18:45

1 stop8h 35m

Reykjavik Keflavik Intl

Sat 5/9

00:50-10:25

1 stop8h 35m

£433

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sat 20/6

07:55-18:45

1 stop11h 50m

Reykjavik Keflavik Intl

Thu 25/6

07:35-16:40

1 stop8h 05m

£497

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sat 13/6

07:55-18:45

1 stop11h 50m

Reykjavik Keflavik Intl

Sun 14/6

00:50-10:30

1 stop8h 40m

£547

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sun 13/9

07:25-18:45

1 stop12h 20m

Reykjavik Keflavik Intl

Fri 18/9

07:40-19:35

1 stop10h 55m

£569
Fastest return journey

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 15/6

11:10-18:45

1 stop8h 35m

Reykjavik Keflavik Intl

Fri 19/6

10:50-19:35

1 stop7h 45m

£572

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Thu 3/9

10:10-18:45

1 stop9h 35m

Reykjavik Keflavik Intl

Sat 5/9

00:50-10:25

1 stop8h 35m

£584

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Thu 3/9

10:10-18:45

1 stop9h 35m

Reykjavik Keflavik Intl

Mon 7/9

10:50-19:35

1 stop7h 45m

£584

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Fri 29/5

11:20-18:45

1 stop8h 25m

Reykjavik Keflavik Intl

Fri 5/6

07:40-19:35

1 stop10h 55m

£587

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Wed 19/8

12:15-18:45

1 stop7h 30m

Reykjavik Keflavik Intl

Sun 23/8

07:35-19:20

1 stop10h 45m

£600

Flights are sorted by cheapest return flights first.

Deals found on 26/4

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Southend to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Southend 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 Southend to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southend 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.

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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Alternative routes for Southend to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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

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

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

Yes, we can. To see specific flights from Southend 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 Southend to Keflavik Intl become cheaper?

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