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

Return flights

19 Jun - 26 Jun	Spirit Airlines
09 Jun - 16 Jun	Spirit Airlines
30 Jun - 07 Jul	Spirit Airlines
10 Jun - 17 Jun	United
11 Jun - 18 Jun	United
13 Jun - 20 Jun	Air Canada
12 Jun - 19 Jun	Air Canada
18 Jun - 25 Jun	Spirit Airlines
14 Jun - 21 Jun	United
17 Jun - 24 Jun	United
24 Jun - 01 Jul	United
27 Jun - 04 Jul	United
28 Jun - 05 Jul	United
22 Jun - 29 Jun	Air Canada
25 Jun - 02 Jul	Air Canada
26 Jun - 03 Jul	Air Canada
29 Jun - 06 Jul	Air Canada

Also check the deals for one-way flights from Miami 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 Miami to Keflavik in June from $1076

Return flights