Cheapest return flights from Rockford to San Juan in March from $369

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

Return flights

12 Mar - 18 Mar Allegiant Air
19 Mar - 25 Mar Allegiant Air
16 Mar - 24 Mar Allegiant Air
26 Mar - 01 Apr Allegiant Air
12 Mar - 21 Mar Allegiant Air
26 Mar - 04 Apr Allegiant Air
19 Mar - 28 Mar Allegiant Air
22 Mar - 28 Mar Allegiant Air
21 Mar - 30 Mar Allegiant Air
15 Mar - 21 Mar Allegiant Air
29 Mar - 04 Apr Allegiant Air

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

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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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