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Cheap flights from London Southend Airport to Reykjavik Keflavik Intl Airport from £102

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEN — KEF
11 Jan — 18 Jan1
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 12 December 2025.

Sat 13/1213:25SEN - KEF
2 stops20h 00mMultiple Airlines
Wed 17/1217:35KEF - SEN
3 stops20h 05mMultiple Airlines
Deal found 10/12£339
Thu 18/1206:30SEN - KEF
2 stops10h 45mMultiple Airlines
Thu 18/1220:00KEF - SEN
1 stop13h 10mMultiple Airlines
Deal found 10/12£364
Fri 12/1212:50SEN - KEF
2 stops21h 15mMultiple Airlines
Thu 18/1211:30KEF - SEN
2 stops9h 30mMultiple Airlines
Deal found 10/12£487
Wed 17/1207:10SEN - KEF
1 stop8h 30mMultiple Airlines
Thu 18/1207:30KEF - SEN
1 stop13h 30mMultiple Airlines
Deal found 10/12£526
Sun 14/1216:50SEN - KEF
1 stop6h 55mMultiple Airlines
Sun 21/1207:40KEF - SEN
1 stop12h 30mMultiple Airlines
Deal found 11/12£538
Mon 15/1212:20SEN - KEF
1 stop6h 45mMultiple Airlines
Thu 18/1207:20KEF - SEN
1 stop9h 55mMultiple Airlines
Deal found 10/12£614
Wed 17/1207:10SEN - KEF
1 stop8h 30mMultiple Airlines
Sun 21/1207:40KEF - SEN
1 stop12h 30mMultiple Airlines
Deal found 11/12£618
Mon 22/1212:20SEN - KEF
1 stop6h 45mMultiple Airlines
Thu 25/1220:00KEF - SEN
1 stop13h 10mMultiple Airlines
Deal found 11/12£633
Wed 24/1207:10SEN - KEF
2 stops29h 40mMultiple Airlines
Sat 27/1208:00KEF - SEN
1 stop7h 05mMultiple Airlines
Deal found 10/12£657

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 12 December 2025.

Round-trip from

£255

One-way from

£102

Popular in

July

Cheapest in

January

Average price

£155
29/1-2/2
  • 29/1-2/2
  • 4 total stops
  • 31h 55m total
  • London to Reykjavik
Search Deals
9/2
  • 9/2
  • 2 total stops
  • 11h 40m total
  • London to Reykjavik
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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 12/1

12:20-19:05

1 stop6h 45m

Reykjavik Keflavik Intl

Thu 15/1

20:00-09:10

1 stop13h 10m

£285

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Tue 3/3

07:35-18:00

1 stop10h 25m

Reykjavik Keflavik Intl

Mon 9/3

20:05-10:20

1 stop14h 15m

£290

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Wed 25/2

07:10-17:15

1 stop10h 05m

Reykjavik Keflavik Intl

Mon 2/3

20:05-10:20

1 stop14h 15m

£291

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Mon 16/3

12:20-19:05

1 stop6h 45m

Reykjavik Keflavik Intl

Thu 19/3

11:25-17:15

1 stop5h 50m

£292

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Fri 1/5

11:20-23:50

1 stop13h 30m

Reykjavik Keflavik Intl

Fri 8/5

08:30-19:35

1 stop10h 05m

£313

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sun 8/2

17:25-23:45

1 stop6h 20m

Reykjavik Keflavik Intl

Sun 15/2

07:40-20:10

1 stop12h 30m

£329

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sun 25/1

17:25-23:45

1 stop6h 20m

Reykjavik Keflavik Intl

Sun 1/2

07:40-20:10

1 stop12h 30m

£368

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Sun 25/1

17:25-23:45

1 stop6h 20m

Reykjavik Keflavik Intl

Thu 29/1

07:40-17:15

1 stop9h 35m

£373

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

£373

LondonReykjavik

SEN - KEF

SENKEF

London Southend

Fri 2/1

06:40-15:25

1 stop8h 45m

Reykjavik Keflavik Intl

Thu 8/1

07:40-17:15

1 stop9h 35m

£460

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 21 results
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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?

Cheapflights helps you search for flights from Southend to Keflavik Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southend to Keflavik Intl for you. Better yet — we are completely free to use.

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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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