AirHint found the following cheapest return flights from Southend (SEN) to Keflavik (KEF) in June 2026 (see full year).

Return flights

24 Jun - 28 Jun	easyJet
11 Jun - 15 Jun	easyJet
28 Jun - 06 Jul	easyJet
05 Jun - 12 Jun	easyJet
15 Jun - 26 Jun	easyJet
15 Jun - 19 Jun	easyJet
01 Jun - 05 Jun	easyJet
01 Jun - 04 Jun	easyJet
15 Jun - 22 Jun	easyJet
15 Jun - 21 Jun	easyJet
01 Jun - 07 Jun	easyJet
26 Jun - 01 Jul	easyJet
26 Jun - 05 Jul	easyJet
24 Jun - 01 Jul	easyJet
29 Jun - 06 Jul	easyJet
24 Jun - 04 Jul	easyJet

Also check the deals for one-way flights from Southend to Keflavik in June.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Southend to Keflavik in June from $456

Return flights