Earn point on your loyalty program!arrow arc left

Cheap flights from Chicago (CHI) to Shannon (SNN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Chicago (CHI) to Shannon (SNN)

How to find the cheapest flight from Chicago (CHI) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Chicago to Shannon in March , April 2026

24 Mar - 29 Apr $ 908.00
CHI
Chicago
Aer Lingus
1 STOPS
SNN
Shannon
SNN
Shannon
Aer Lingus
2 STOPS
CHI
Chicago
Pick dates
24 Mar - 22 Apr $ 920.00
CHI
Chicago
Aer Lingus
1 STOPS
SNN
Shannon
SNN
Shannon
Aer Lingus
2 STOPS
CHI
Chicago
Pick dates
24 Mar - 27 Apr $ 946.00
CHI
Chicago
Aer Lingus
1 STOPS
SNN
Shannon
SNN
Shannon
Aer Lingus
2 STOPS
CHI
Chicago
Pick dates

Last minute flights from Chicago to Shannon

25 Mar - 31 Mar $ 989.00
CHI
Chicago
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
CHI
Chicago
Pick dates
25 Mar - 31 Mar $ 989.00
CHI
Chicago
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
CHI
Chicago
Pick dates
25 Mar - 31 Mar $ 1,001.00
CHI
Chicago
KLM Royal Dutch Airlines
2 STOPS
SNN
Shannon
SNN
Shannon
KLM Royal Dutch Airlines
2 STOPS
CHI
Chicago
Pick dates

One-way flights to Shannon from Chicago

12:05 PM - 7:30 PM
Aer Lingus
1 Stops
12h 50m
CHI - SNN
$ 479
Kiwi
Pick dates
12:05 PM - 7:30 PM
Aer Lingus
1 Stops
12h 50m
CHI - SNN
$ 517
Kiwi
Pick dates
12:05 PM - 7:30 PM
Aer Lingus
1 Stops
12h 50m
CHI - SNN
$ 525
Kiwi
Pick dates

How to find the cheapest flight from Chicago (CHI) to Shannon (SNN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Chicago (CHI) to Shannon (SNN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.