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Cheap flights from London Southend Airport to Reykjavik Keflavik Intl Airport from £89

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — KEF
17 Dec — 24 Dec1
1 adult
1 adult, Economy, 0 bags

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 17 November 2025.

Round-trip from

£250

One-way from

£89

Popular in

July

Cheapest in

January

Average price

£124
23/3-26/3
  • 23/3-26/3
  • 2 total stops
  • 12h 35m total
  • London to Reykjavik
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easyJet
  • easyJet
  • 29/1
  • 2 total stops
  • 10h 45m total
  • London to Reykjavik
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Highest demand for flights based on searches. 24% potential increase in price (£40 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find 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 17 November 2025.

Wed 26/1107:15SEN - KEF
2 stops26h 00mMultiple Airlines
Mon 1/1212:30KEF - SEN
2 stops10h 30mMultiple Airlines
Deal found 16/11£244
Thu 20/1106:50SEN - KEF
2 stops10h 25mMultiple Airlines
Mon 24/1112:30KEF - SEN
2 stops10h 30mMultiple Airlines
Deal found 15/11£261
Sat 22/1106:30SEN - KEF
2 stops26h 55mMultiple Airlines
Tue 25/1117:05KEF - SEN
2 stops23h 25mMultiple Airlines
Deal found 17/11£272
Thu 20/1106:50SEN - KEF
2 stops10h 25mMultiple Airlines
Thu 27/1118:05KEF - SEN
2 stops28h 10mMultiple Airlines
Deal found 17/11£281
Mon 8/1212:20SEN - KEF
2 stops29h 25mMultiple Airlines
Mon 15/1220:05KEF - SEN
1 stop14h 10mMultiple Airlines
Deal found 17/11£282
Thu 18/1206:50SEN - KEF
2 stops10h 25mMultiple Airlines
Thu 25/1220:00KEF - SEN
1 stop13h 10mMultiple Airlines
Deal found 14/11£341
Thu 20/1106:50SEN - KEF
2 stops10h 25measyJet
Sun 23/1109:35KEF - SEN
2 stops24h 55measyJet
Deal found 17/11£363
Sat 20/1220:00SEN - KEF
2 stops22h 40mMultiple Airlines
Wed 31/1220:05KEF - SEN
1 stop21h 10mMultiple Airlines
Deal found 15/11£414
Mon 15/1212:20SEN - KEF
1 stop6h 45mMultiple Airlines
Mon 22/1220:05KEF - SEN
1 stop14h 10mMultiple Airlines
Deal found 15/11£461

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 17 November 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 5/1

12:20-19:05

1 stop6h 45m

Reykjavik Keflavik Intl

Thu 8/1

20:00-09:10

1 stop13h 10m

£288

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 8/12

12:20-17:45

2 stops29h 25m

Reykjavik Keflavik Intl

Mon 15/12

20:05-10:15

1 stop14h 10m

£289

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Thu 16/4

09:50-07:05

2 stops22h 15m

Reykjavik Keflavik Intl

Mon 20/4

08:25-19:35

1 stop10h 10m

£316

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Thu 18/12

06:50-17:15

2 stops10h 25m

Reykjavik Keflavik Intl

Thu 25/12

20:00-09:10

1 stop13h 10m

£341

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 16/2

12:20-19:05

1 stop6h 45m

Reykjavik Keflavik Intl

Thu 19/2

11:25-17:15

1 stop5h 50m

£405

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sat 20/12

20:00-18:40

2 stops22h 40m

Reykjavik Keflavik Intl

Wed 31/12

20:05-17:15

1 stop21h 10m

£414

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sun 15/2

17:25-23:45

1 stop6h 20m

Reykjavik Keflavik Intl

Thu 19/2

07:40-17:15

1 stop9h 35m

£437

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 15/12

12:20-19:05

1 stop6h 45m

Reykjavik Keflavik Intl

Mon 22/12

20:05-10:15

1 stop14h 10m

£448

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Thu 29/1

06:30-17:15

2 stops10h 45m

£89

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 9/2

07:20-19:00

2 stops11h 40m

£100

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 16 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.

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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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.

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