Cheapest return RFD–SJU flights, June

AirHint found the following cheapest return flights from Rockford (RFD) to San Juan (SJU) in June 2026 (see full year).

Return flights

15 Jun - 24 Jun Allegiant Air
19 Jun - 24 Jun Allegiant Air
18 Jun - 24 Jun Allegiant Air
08 Jun - 13 Jun Allegiant Air
10 Jun - 17 Jun Allegiant Air
01 Jun - 10 Jun Allegiant Air
03 Jun - 13 Jun Allegiant Air
04 Jun - 10 Jun Allegiant Air
25 Jun - 01 Jul Allegiant Air
03 Jun - 10 Jun Allegiant Air
13 Jun - 17 Jun Allegiant Air
26 Jun - 03 Jul Allegiant Air
29 Jun - 03 Jul Allegiant Air
29 Jun - 02 Jul Allegiant Air

Also check the deals for one-way flights from Rockford to San Juan in June.

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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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