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Cheap flights from London Southend Airport to Reykjavik Keflavik Intl Airport from £116

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — KEF
20 Aug — 27 Aug1
1 adult

Cheap 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 15 August 2025.

Round-trip from

£297

One-way from

£116

Popular in

July

Cheapest in

January

Average price

£206
3/11-7/11
  • 3/11-7/11
  • 2 total stops
  • 14h 25m total
  • London to Reykjavik
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easyJet
  • easyJet
  • 15/9
  • 1 total stop
  • 22h 50m total
  • London to Reykjavik
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Highest demand for flights based on searches. 24% potential increase in price (£36 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Southend to Keflavik Intl

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 15 August 2025.

Mon 3/1107:15SEN - KEF
1 stop8h 35mMultiple Airlines
Fri 7/1107:45KEF - SEN
1 stop5h 50mMultiple Airlines
Deal found 14/8£297
Fri 22/816:55SEN - KEF
1 stop21h 55mMultiple Airlines
Fri 29/806:10KEF - SEN
1 stop12h 25mMultiple Airlines
Deal found 14/8£395
Mon 13/1011:05SEN - KEF
1 stop8h 25mMultiple Airlines
Thu 16/1006:00KEF - SEN
1 stop13h 50mMultiple Airlines
Deal found 13/8£401
Sat 15/1107:15SEN - KEF
1 stop7h 50mMultiple Airlines
Thu 20/1107:20KEF - SEN
1 stop9h 55mMultiple Airlines
Deal found 14/8£455
Fri 29/811:05SEN - KEF
1 stop8h 25mMultiple Airlines
Fri 5/906:00KEF - SEN
1 stop8h 45mMultiple Airlines
Deal found 15/8£485
Fri 7/1107:35SEN - KEF
1 stop8h 15mMultiple Airlines
Sun 16/1107:30KEF - SEN
1 stop13h 40mMultiple Airlines
Deal found 13/8£495
Fri 7/1107:35SEN - KEF
1 stop8h 15mMultiple Airlines
Sun 9/1107:30KEF - SEN
1 stop13h 40mMultiple Airlines
Deal found 14/8£496
Fri 14/1107:35SEN - KEF
1 stop8h 15mMultiple Airlines
Sun 16/1107:45KEF - SEN
1 stop13h 25mMultiple Airlines
Deal found 14/8£501
Fri 21/1107:35SEN - KEF
1 stop8h 15mMultiple Airlines
Sun 23/1107:30KEF - SEN
1 stop13h 40mMultiple Airlines
Deal found 14/8£507
Mon 1/911:05SEN - KEF
1 stop8h 25mMultiple Airlines
Thu 4/900:45KEF - SEN
1 stop14h 00mMultiple Airlines
Deal found 14/8£516

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 15 August 2025.
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

Southend

Fly to

Keflavik Intl

Route

Depart

Return

Price

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 3/11

07:15-15:50

1 stop8h 35m

Reykjavik Keflavik Intl

Fri 7/11

07:45-13:35

1 stop5h 50m

£297

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 13/10

11:05-18:30

1 stop8h 25m

Reykjavik Keflavik Intl

Thu 16/10

06:00-20:50

1 stop13h 50m

£401

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sat 15/11

07:15-15:05

1 stop7h 50m

Reykjavik Keflavik Intl

Thu 20/11

07:20-17:15

1 stop9h 55m

£455

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Fri 29/8

11:05-18:30

1 stop8h 25m

Reykjavik Keflavik Intl

Fri 5/9

06:00-15:45

1 stop8h 45m

£485

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Fri 7/11

07:35-15:50

1 stop8h 15m

Reykjavik Keflavik Intl

Sun 16/11

07:30-21:10

1 stop13h 40m

£495

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Fri 7/11

07:35-15:50

1 stop8h 15m

Reykjavik Keflavik Intl

Sun 9/11

07:30-21:10

1 stop13h 40m

£496

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Fri 14/11

07:35-15:50

1 stop8h 15m

Reykjavik Keflavik Intl

Sun 16/11

07:45-21:10

1 stop13h 25m

£501

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Fri 21/11

07:35-15:50

1 stop8h 15m

Reykjavik Keflavik Intl

Sun 23/11

07:30-21:10

1 stop13h 40m

£507

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 1/9

11:05-18:30

1 stop8h 25m

Reykjavik Keflavik Intl

Thu 4/9

00:45-15:45

1 stop14h 00m

£516

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 15/9

11:05-08:55

1 stop22h 50m

£116

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 19 results
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2

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.

  • What is the cheapest month to book a flight from London Southend Airport to Reykjavik Keflavik Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London Southend Airport to Reykjavik Keflavik Intl Airport (average of £75). Flying from London Southend Airport 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 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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