Aer Lingus Flight 124 Deals & Information (2026/2027)

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Aer Lingus Flight 124 Route Deals From $244

The cheapest prices found with in the last 7 days for return flights were $530 and $244 for one-way flights to Dublin for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Dec 2 - Thu, Dec 10
ORD
O'Hare Intl.
DUB
Dublin
$530 Roundtrip, just found
$530
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Dec 2 from O'Hare Intl. to Dublin, returning Thu, Dec 10, priced at $530 just found
Wed, May 5 - Thu, May 13
ORD
O'Hare Intl.
DUB
Dublin
$534 Roundtrip, found 2 hours ago
$534
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Wed, May 5 from O'Hare Intl. to Dublin, returning Thu, May 13, priced at $534 found 2 hours ago
Sun, Mar 7 - Fri, Mar 19
ORD
O'Hare Intl.
DUB
Dublin
$548 Roundtrip, found 2 hours ago
$548
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Sun, Mar 7 from O'Hare Intl. to Dublin, returning Fri, Mar 19, priced at $548 found 2 hours ago
Mon, Mar 8 - Fri, Mar 19
ORD
O'Hare Intl.
DUB
Dublin
$548 Roundtrip, found 6 hours ago
$548
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Mon, Mar 8 from O'Hare Intl. to Dublin, returning Fri, Mar 19, priced at $548 found 6 hours ago
Sun, Oct 25 - Tue, Nov 3
ORD
O'Hare Intl.
DUB
Dublin
$549 Roundtrip, just found
$549
Roundtrip
just found
Select Aer Lingus flight, departing Sun, Oct 25 from O'Hare Intl. to Dublin, returning Tue, Nov 3, priced at $549 just found
Tue, Mar 30 - Tue, Apr 6
ORD
O'Hare Intl.
DUB
Dublin
$552 Roundtrip, found 2 hours ago
$552
Roundtrip
found 2 hours ago
Select Aer Lingus flight, departing Tue, Mar 30 from O'Hare Intl. to Dublin, returning Tue, Apr 6, priced at $552 found 2 hours ago
Tue, Mar 16 - Tue, Mar 23
ORD
O'Hare Intl.
DUB
Dublin
$566 Roundtrip, found 3 hours ago
$566
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Tue, Mar 16 from O'Hare Intl. to Dublin, returning Tue, Mar 23, priced at $566 found 3 hours ago
Sun, Mar 21 - Fri, Mar 26
ORD
O'Hare Intl.
DUB
Dublin
$566 Roundtrip, just found
$566
Roundtrip
just found
Select Aer Lingus flight, departing Sun, Mar 21 from O'Hare Intl. to Dublin, returning Fri, Mar 26, priced at $566 just found
Wed, Dec 9 - Mon, Dec 14
ORD
O'Hare Intl.
DUB
Dublin
$580 Roundtrip, just found
$580
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Dec 9 from O'Hare Intl. to Dublin, returning Mon, Dec 14, priced at $580 just found
Thu, Feb 11 - Thu, Feb 18
ORD
O'Hare Intl.
DUB
Dublin
$580 Roundtrip, found 8 hours ago
$580
Roundtrip
found 8 hours ago
Select Aer Lingus flight, departing Thu, Feb 11 from O'Hare Intl. to Dublin, returning Thu, Feb 18, priced at $580 found 8 hours ago
Sat, Apr 17 - Tue, Apr 27
ORD
O'Hare Intl.
DUB
Dublin
$584 Roundtrip, found 1 hour ago
$584
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Sat, Apr 17 from O'Hare Intl. to Dublin, returning Tue, Apr 27, priced at $584 found 1 hour ago
Wed, Jan 6 - Fri, Jan 15
ORD
O'Hare Intl.
DUB
Dublin
$591 Roundtrip, just found
$591
Roundtrip
just found
Select Aer Lingus flight, departing Wed, Jan 6 from O'Hare Intl. to Dublin, returning Fri, Jan 15, priced at $591 just found
Tue, Jan 5 - Tue, Jan 26
ORD
O'Hare Intl.
DUB
Dublin
$591 Roundtrip, found 6 hours ago
$591
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Tue, Jan 5 from O'Hare Intl. to Dublin, returning Tue, Jan 26, priced at $591 found 6 hours ago
Sun, Mar 7 - Sun, Mar 21
ORD
O'Hare Intl.
DUB
Dublin
$598 Roundtrip, found 3 hours ago
$598
Roundtrip
found 3 hours ago
Select Aer Lingus flight, departing Sun, Mar 7 from O'Hare Intl. to Dublin, returning Sun, Mar 21, priced at $598 found 3 hours ago
Sun, Mar 7 - Sun, Mar 14
ORD
O'Hare Intl.
DUB
Dublin
$598 Roundtrip, found 6 hours ago
$598
Roundtrip
found 6 hours ago
Select Aer Lingus flight, departing Sun, Mar 7 from O'Hare Intl. to Dublin, returning Sun, Mar 14, priced at $598 found 6 hours ago