Chicago (ORD) → Dublin (DUB)
About Chicago to Dublin Flights
Discover the best flights from Chicago to Dublin, covering 5,897 km in approximately 7h 52m. Chicago (ORD) to Dublin (DUB) is one of the major long-haul routes connecting United States and Ireland. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Chicago to Dublin.
12-Month Price History
Flight prices from Chicago to Dublin vary significantly throughout the year. February typically offers the best deals with average prices around $1032, while July sees the highest prices, averaging $1747. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
109 days
For best prices
Booking Tips
For the best prices on Chicago to Dublin flights, we recommend booking 140 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
Ryanair FR | $1140 | - | - |
SkyWest Airlines OO | $1510 | $6060 | $9730 |
Aer Lingus EI | $1540 | $6930 | $10450 |
Kalitta Air K4 | $1560 | $5490 | $8210 |
United Airlines UA | $1750 | $5510 | $8860 |
Delta Air Lines DL | $1770 | $6100 | $10220 |
American Airlines AA | $1780 | $6210 | $10330 |
Ryanair
FR
Economy
$1140
Business
-
First
-
SkyWest Airlines
OO
Economy
$1510
Business
$6060
First
$9730
Aer Lingus
EI
Economy
$1540
Business
$6930
First
$10450
Kalitta Air
K4
Economy
$1560
Business
$5490
First
$8210
United Airlines
UA
Economy
$1750
Business
$5510
First
$8860
Delta Air Lines
DL
Economy
$1770
Business
$6100
First
$10220
American Airlines
AA
Economy
$1780
Business
$6210
First
$10330
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Milwaukee → Dublin
Milwaukee Mitchell International (MKE) to Dublin (DUB)
Distance: 5,824 km
Average price: $1266
Chicago → Dublin
Chicago Midway International (MDW) to Dublin (DUB)
Distance: 5,901 km
Average price: $1281
Chicago → Belfast
O'Hare International (ORD) to Belfast International (BFS)
Distance: 5,846 km
Average price: $1270
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Frequently Asked Questions
How long is the flight from Chicago to Dublin?
The flight time from Chicago (ORD) to Dublin (DUB) is approximately 7 hours and 52 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Chicago and Dublin?
The aerial distance between Chicago and Dublin is 5,897 kilometers (3,664 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Chicago to Dublin?
Several airlines operate flights between Chicago and Dublin, including American Airlines, United Airlines, Ryanair and 4 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Chicago to Dublin?
Based on historical data, February typically offers the lowest airfares for flights from Chicago to Dublin. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Dublin?
For the best prices on Chicago to Dublin flights, we recommend booking 166 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Chicago to Dublin?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Ireland should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Chicago and Dublin?
Chicago operates on America/Chicago time zone, while Dublin is in the Europe/Dublin time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.