Cheap Flights from Chicago, IL to Dublin from $327

Return flight: Dublin – Chicago

On Cheapflightsplus.com you will find 5 direct and 155 connecting flights from Chicago to Dublin. You can compare airfare deals from 14 airlines and multiple travel sites from $327, book and save on cheap plane tickets and last minute offers. Also check out CHI-DUB flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Chicago to Dublin Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $327 (one-way), $561 (round-trip).
Direct flights
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Full flight schedule will help you in detecting at what time planes fly from Chicago to Dublin. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
12:50 — 23:00
+2 days
12:50 — 07:10 TK186 Turkish Airlines
Chicago — Istanbul
1h 35m stop
08:45 — 09:40 TK1873 Turkish Airlines
Istanbul — Milan
11h 45m stop
21:25 — 23:00 FR4845 Ryanair
Milan — Dublin
29h 10m
including layover
Find flight
from$384
12:50 — 23:00
+2 days
12:50 — 07:10 TK186 Turkish Airlines
Chicago — Istanbul
8h 35m stop
15:45 — 16:35 TK1875 Turkish Airlines
Istanbul — Milan
4h 50m stop
21:25 — 23:00 FR4845 Ryanair
Milan — Dublin
29h 10m
including layover
Find flight
from$384
12:50 — 23:00
+2 days
12:50 — 07:10 TK186 Turkish Airlines
Chicago — Istanbul
5h 25m stop
12:35 — 13:30 TK1895 Turkish Airlines
Istanbul — Milan
7h 55m stop
21:25 — 23:00 FR4845 Ryanair
Milan — Dublin
29h 10m
including layover
Find flight
from$385
16:50 — 05:10
+1 day
16:50 — 05:10 EI122 Aer Lingus
Chicago — Dublin
7h 20m
Find flight
from$501
16:55 — 05:15
+1 day
16:55 — 05:15 IB6022 Iberia
Chicago — Dublin
7h 20m
Find flight
from$584
17:20 — 11:00
+1 day
16:00 — 07:20 LH431 Lufthansa
Chicago — Frankfurt
2h 30m stop
10:20 — 11:25 LH978 Lufthansa
Frankfurt — Dublin
12h 40m
including layover
Find flight
from$408
17:20 — 16:35
+1 day
16:00 — 07:20 LH431 Lufthansa
Chicago — Frankfurt
8h 5m stop
15:50 — 16:55 LH980 Lufthansa
Frankfurt — Dublin
18h 15m
including layover
Find flight
from$408
19:35 — 08:10
+1 day
19:35 — 08:10 LH9171 Lufthansa
Chicago — Dublin
7h 35m
Find flight
from$522
20:10 — 23:20
+2 days
18:15 — 08:15 TP244 TAP Portugal
Chicago — Lisbon
11h 20m stop
21:15 — 00:05 TP1326 TAP Portugal
Lisbon — Dublin
22h 10m
including layover
Find flight
from$327
20:10 — 10:20
+2 days
18:00 — 07:55 TP244 TAP Portugal
Chicago — Lisbon
22h 20m stop
07:10 — 10:00 TP1322 TAP Portugal
Lisbon — Dublin
33h 10m
including layover
Find flight
from$334
20:15 — 06:10
+2 days
20:25 — 23:07 AC510 Air Canada
Chicago — Toronto
20h 41m stop
20:40 — 08:15 AC800 Air Canada
Toronto — Dublin
28h 55m
including layover
Find flight
from$404
20:20 — 10:45
+2 days
20:20 — 10:25 SK944 SAS
Chicago — Copenhagen
12h 45m stop
23:10 — 00:25 SK1428 SAS
Copenhagen — Hagersten
8h 30m stop
08:55 — 10:45 SK535 SAS
Hagersten — Dublin
33h 25m
including layover
Find flight
from$416
20:40 — 09:00
+1 day
20:40 — 09:00 EI124 Aer Lingus
Chicago — Dublin
7h 20m
Find flight
from$448
20:40 — 09:00
+1 day
20:40 — 09:00 IB6024 Iberia
Chicago — Dublin
7h 20m
Find flight
from$536
23:35 — 16:35
+1 day
22:30 — 14:05 LH433 Lufthansa
Chicago — Frankfurt
1h 30m stop
15:50 — 16:55 LH980 Lufthansa
Frankfurt — Dublin
12h
including layover
Find flight
from$408
*Departure and arrival times - local. Updated on September 16, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to Dublin depends on and how to choose the most interesting flight option for you.

Distance between Chicago and Dublin is 5886 miles. Time difference between the cities is 6h. Airplanes depart 07:15 to 23:35 from 7 Chicago airports and arrive 07:15 to 23:35 to 1 Dublin airport. Average flight time is 7h 20m.

  • The fastest flight 7h 20m
  • Average flight time 7h 20m
  • The earliest flight 07:15
  • The latest flight 23:35
  • Distance 3658 ml

The cheapest months to travel to Dublin are august (from 223 $), july (from 285 $), march (from 327 $).

The most expensive months are december (from 621 $), january (from 581 $), june (from 575 $).

What is the lowest airfare Chicago to Dublin?

The cheapest plane ticket found by our users is $327. This airfare is for economy class on one-way TP244 flight by TAP Portugal for March 11, 2026 which leaves O'Hare International in Chicago at 20:10 am and arrives at Dublin Dublin at 23:20.

Economy class
$327
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Business class
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First class
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Popular Airlines on the Route

The flight Chicago — Dublin is served by 14 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Air Canada - 15 departures per week at the price of from $ 404 . And the most expensive tickets are offered by Lufthansa airline - from $ 4124.

Direct flights

There are 5 nonstop flights on the route. The fastest direct flight is EI124 by Aer Lingus takes 7h 20m and the cheapest is TP244 by TAP Portugal for $448.

  • EI - Aer Lingus
    from $448
    Find
  • IB - Iberia
    from $536
    Find
  • LH - Lufthansa
    from $522
    Find
See more direct flights

Connecting Flights

There are 155 flights with layovers on the route. The fastest connecting flight is EI7216 by Aer Lingus takes 9h 15m and the cheapest is TP244 by TAP Portugal for $327.

  • AC - Air Canada
    from $404
    Find
  • FI - Icelandair
    from $448
    Find
  • OS - Austrian Airlines
    from $469
    Find
  • EI - Aer Lingus
    from $509
    Find
  • UA - United Airlines
    from $449
    Find
  • LX - SWISS International Air Lines
    from $562
    Find
  • PD - Porter Airlines
    from $673
    Find
  • TK - Turkish Airlines
    from $384
    Find
  • SK - SAS
    from $416
    Find
  • AY - Finnair
    from $526
    Find
  • IB - Iberia
    from $467
    Find
  • TP - TAP Portugal
    from $327
    Find
See more connecting flights

Airports

You can fly from Chicago to Dublin from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $327
    Find
  • Midway-MDW
    from $673
    Find
  • Dupage County-DPA
    Find
  • Chicago FSS-CHI
    Find
  • Merrill C Meigs (closed)-CGX
    Find
  • Pal-Waukee-PWK
    Find
  • Chicago NAS-NOH
    Find

Dublin airports

  • Dublin-DUB
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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