Aer Lingus flights to Chicago O'Hare International
The best Aer Lingus flight deals to Chicago O'Hare International
Looking for a last-minute deal or the best direct flight? Find the biggest savings on one-way and round-trip flights to Chicago O'Hare International with Aer Lingus right here.Alternative routes to Chicago
Compare routes to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier.Flying to Chicago O'Hare International with Aer Lingus
The things to know before you go.| Cheapest month to fly | October |
|---|---|
| Nearby cities to visit | Chicago |
| Time difference between Costa Rica and Chicago O'Hare International | 1 hr (GMT -5) |
How to find cheap flights to Chicago O'Hare International with Aer Lingus
Looking for cheap plane tickets to Chicago O'Hare International? Here are a few tips on how to find the best price.Simply hit "search"
We've compared every online travel agent and flight provider to find the cheapest Aer Lingus plane tickets to anywhere in the world, including Chicago O'Hare International.
Flex your dates for the best rates
If you’re flexible on your departure dates, hit Whole month as you search. You'll see the cheapest month, and even day, to fly to Chicago O'Hare International with Aer Lingus.
Set up a Price Alert
Got your eye on a specific flight to Chicago O'Hare International but not quite ready to book? No worries. We'll let you know when the price of the flight goes up or down so you can book when the time is just right. You're even able to watch specific Aer Lingus flights.
Book your Aer Lingus flight to Chicago O'Hare International Airport with extra peace of mind
Find flexible Aer Lingus flights to Chicago O'Hare International Airport
Aer Lingus might offer amendable tickets to Chicago O'Hare International Airport, which means you won't lose out if your booking has to be changed or canceled.
Add travel cost protection
Make sure you have the right travel insurance before flying to Chicago O'Hare International Airport. That way you can cover the costs of any unexpected events, such as delays or lost luggage.
Reduce your carbon footprint
To check whether there are any lower-emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box when you search for a flight with us.
