Cheapest one-way RFD–DUB flights, September

AirHint found the following cheapest one-way flights from Rockford (RFD) to Dublin (DUB) in September 2026 (see full year).

One-Way flights

06 Sep Allegiant Air
20 Sep Allegiant Air
10 Sep Allegiant Air
13 Sep Allegiant Air
24 Sep Allegiant Air
21 Sep Allegiant Air
25 Sep Allegiant Air
14 Sep Allegiant Air
04 Sep Allegiant Air
30 Sep Allegiant Air

Also check the deals for return flights from Rockford to Dublin in September.

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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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