Prepare for long walks between terminals at ORD. Know your airline's terminal to avoid unnecessary delays.

Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $420 (FlightHub) |
One-way from | $222 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $774 |
Good round-trip deal | $594 or less |
Good one-way deal | $421 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 2/4
7:20 pm-10:45 am
2 stops33h 25m
Dublin
Sun 2/8
10:10 am-4:55 pm
1 stop12h 45m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 2/11
7:20 pm-6:20 pm
1 stop17h 00m
Dublin
Wed 2/18
11:30 am-4:45 pm
2 stops35h 15m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Mon 2/2
7:20 pm-10:45 am
2 stops33h 25m
Dublin
Wed 2/11
11:30 am-4:45 pm
2 stops35h 15m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Mon 3/2
6:35 pm-8:10 am
Nonstop7h 35m
Dublin
Wed 3/11
8:00 am-5:48 pm
1 stop14h 48m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 1/28
6:35 pm-8:10 am
Nonstop7h 35m
Dublin
Wed 2/4
9:00 am-5:48 pm
1 stop14h 48m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 4/22
8:15 pm-9:45 am
Nonstop7h 30m
Dublin
Wed 4/29
9:50 am-3:10 pm
1 stop11h 20m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Sun 2/1
6:35 pm-8:10 am
Nonstop7h 35m
Dublin
Tue 2/10
10:40 am-1:30 pm
Nonstop8h 50m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 4/15
7:15 pm-10:55 am
2 stops33h 40m
Dublin
Tue 4/21
11:40 am-4:10 pm
2 stops34h 30m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 4/1
2:25 pm-10:40 am
1 stop14h 15m
Dublin
Wed 4/8
9:50 am-5:45 pm
1 stop13h 55m
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Sun 2/8
6:25 pm-8:45 am
1 stop32h 20m
Dublin
Tue 2/17
5:55 am-8:44 pm
2 stops20h 49m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 33 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Dublin (average of $370). Flying from Chicago O'Hare Intl Airport to Dublin in June is currently the most expensive (average of $677). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Chicago O'Hare Intl Airport to Dublin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 21% of weekly flights between Chicago and Dublin have experienced delays in the past year, with the average delay time being 153 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Aer Lingus have had the lowest number of delays on this route, with just 19% of flights being delayed.
London (LHR) – chosen by Cheapflights users on 43% of 1-stop itineraries from Chicago O'Hare Intl Airport to Dublin on Cheapflights.
Lisbon (LIS) is the most affordable 1-stop option, with an average round-trip price of $492.
Flights via London (LHR) have the shortest average one-way travel time for 1-stop routes: 10h 35m.
Flights via Lisbon (LIS) offer the fastest connection on this route, with an average layover time of 5h 40m.
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Michelle,Dec 2025
DEN - MKE
Entertainment
Overall
Boarding
Food
Comfort
Crew
Reviews
Michelle,Dec 2025
DEN - MKE
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$557 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$345 | Average$539 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$393 | Average$501 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$400 | Average$470 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$470 | Average$710 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$473 | Average$818 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$488 | Average$741 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$498 | Average$669 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$499 | Average$834 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$512 | Average$854 | FlexibilityNo cancel fee | On-timeN/A |