Cheapest return flights from Chicago to Dublin in September from 392€
AirHint found the following cheapest return flights from Chicago (ORD) to Dublin (DUB)
in September 2025 (see full year ).
Return flights
16 Sep
- 19 Sep
Scandinavian Airlines
392 €
29 Sep
- 17 Oct
Scandinavian Airlines
400 €
08 Sep
- 15 Sep
Spirit Airlines
401 €
21 Sep
- 26 Sep
Scandinavian Airlines
406 €
14 Sep
- 19 Sep
Scandinavian Airlines
424 €
08 Sep
- 17 Sep
Frontier Airlines
458 €
05 Sep
- 07 Sep
jetBlue
464 €
26 Sep
- 28 Sep
Spirit Airlines
479 €
04 Sep
- 08 Sep
Frontier Airlines
481 €
04 Sep
- 07 Sep
Scandinavian Airlines
495 €
16 Sep
- 22 Sep
Spirit Airlines
495 €
10 Sep
- 15 Oct
Aer Lingus
501 €
direct
25 Sep
- 03 Oct
Spirit Airlines
510 €
30 Sep
- 16 Oct
Spirit Airlines
522 €
18 Sep
- 02 Oct
Spirit Airlines
536 €
27 Sep
- 09 Oct
Turkish Airlines
547 €
19 Sep
- 03 Oct
Spirit Airlines
555 €
26 Sep
- 09 Oct
Spirit Airlines
561 €
30 Sep
- 16 Oct
Aer Lingus
566 €
direct
26 Sep
- 07 Oct
Turkish Airlines
581 €
Also check the deals for one-way flights from Chicago to Dublin in September .
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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