Flights from Chicago to Dublin

Our cheapest offers for flights from Chicago to Dublin

Here you can compare cheap flights from Chicago (CHI) to Dublin (DUB) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Dublin. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Chicago
Dublin
Outbound
10/18/25
1 Stopover (LIS)
TP0244, TP1326
23h 50min
Return
10/24/25
1 Stopover (LIS)
TP1327, TP0243
16h 40min
TAP Air Portugal ?
$464
Best option
Chicago
Dublin
Outbound
09/19/25
direct
EI0124
07h 25min
Return
09/29/25
direct
EI0125
08h 20min
Aer Lingus Irish Airlines
$690
Chicago
Dublin
Pay attention to transfer at connecting flight
Outbound
06/07/25
2 Stopovers (YUL, YYZ)
AC0522, AC0895, PD7230
18h 50min
Return
06/23/25
1 Stopover (YYZ)
PD7231, AC5137
32h 35min
Air Canada, Porter Airlines
$668
Chicago
Dublin
Outbound
06/07/25
1 Stopover (CLE)
EI7216, EI0086
32h 15min
Return
06/23/25
1 Stopover (CLT)
EI7115, EI7183
11h 50min
Aer Lingus Irish Airlines
$845
Chicago
Dublin
Outbound
10/18/25
1 Stopover (LIS)
TP0244, TP1326
23h 50min
Return
10/24/25
1 Stopover (LIS)
TP1327, TP0243
16h 40min
TAP Air Portugal
$467
Chicago
Dublin
Outbound
10/18/25
1 Stopover (LIS)
TP0244, TP1326
23h 50min
Return
10/24/25
1 Stopover (LIS)
TP1327, TP0243
16h 40min
TAP Air Portugal ?
$470
Chicago
Dublin
Outbound
10/18/25
1 Stopover (LIS)
TP0244, TP1326
23h 50min
Return
10/24/25
1 Stopover (LIS)
TP1327, TP0243
16h 40min
TAP Air Portugal
$471
Chicago
Dublin
Outbound
10/18/25
1 Stopover (LIS)
TP0244, TP1326
23h 50min
Return
10/24/25
1 Stopover (LIS)
TP1327, TP0243
16h 40min
TAP Air Portugal
$489
Chicago
Dublin
Outbound
10/18/25
1 Stopover (CPH)
SK0944, SK2537
14h 55min
Return
10/24/25
1 Stopover (CPH)
SK2538, SK0943
27h 05min
SAS Scandinavian Airlines ?
$502
Chicago
Dublin
Outbound
10/18/25
1 Stopover (CPH)
SK0944, SK2537
14h 55min
Return
10/24/25
1 Stopover (CPH)
SK2538, SK0943
27h 05min
SAS Scandinavian Airlines ?
$525
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Chicago to Dublin

Favorite airline: TAP Portugal
49 % of travelers choose to book flights on this route with TAP Portugal, Aer Lingus and Icelandair.
TAP Portugal
18 %
Aer Lingus
16 %
Icelandair
15 %
Cheapest weekday: Monday
Flight tickets are cheapest on Monday. Flights on these weekdays cost up to 11 % less.
Direct flights are more expensive
Flights with a stopover are on average $65.00 cheaper than direct flights.
non stop flight
1 stop
2 stops
07h 30min
18h 05min
16h 05min
$ 451
$ 386
$ 430
Favourite connection: via Lisbon
When booking flights from Chicago to Dublin 20 % of travelers prefer to fly via Lisbon.
Route
bookings
1 stopover Lisbon
18h 05min, from $ 386
20 %
Direct flights
07h 30min, from $ 451
19 %
1 stopover Reykjavik-Keflavik International
09h 45min, from $ 571
18 %

Important flight information

Flight information: Chicago - Dublin

Roundtrip from $ 463,74
Flight duration min. 07:15
Return flight duration min. 08:10/ max. 08:40
Distance 5892 km
Flights per week 11
Departure airport Airport Chicago-IL all Airports (ORD, MDW, RFD) (CHI)
Arrival airport Airport Dublin (DUB)
Destination country Flights to Ireland
Alternative flights to Dublin
Flight destinations with a similar price
Flight destinations with a similar price