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Flight Deals from Ireland to Illinois from $642

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Top Deals on flights from Dublin to Chicago

Dublin, IE (DUB) - Chicago, US (CHI)

TAP Portugal Logo
TAP Portugal

Nov 7

DUB
28h 35m
LIS

Nov 8

ORD
TAP Portugal Logo
TAP Portugal

Nov 13

ORD
14h
LIS

Nov 14

DUB

as low as

$642

Dublin, IE (DUB) - Chicago, US (CHI)

American Airlines Logo
American Airlines

Dec 19

DUB
11h 35m
LHR

Dec 19

ORD
American Airlines Logo
American Airlines

Jan 1

ORD
19h 50m
PHL

Jan 2

DUB

as low as

$681

Dublin, IE (DUB) - Chicago, US (CHI)

Lufthansa Logo
Lufthansa

Nov 7

DUB
14h
FRA

Nov 7

ORD
United Airlines Logo
United Airlines

Nov 13

ORD
7h 40m
Direct

Nov 14

DUB

as low as

$735

Dublin, IE (DUB) - Chicago, US (CHI)

American Airlines Logo
American Airlines

Nov 6

DUB
12h 11m
PHL

Nov 6

ORD
British Airways Logo
British Airways

Nov 10

ORD
10h 25m
LHR

Nov 11

DUB

as low as

$758

Dublin, IE (DUB) - Chicago, US (CHI)

KLM Logo
KLM

Nov 7

DUB
11h 40m
AMS

Nov 7

ORD
Air France Logo
Air France

Nov 13

ORD
16h 25m
CDG

Nov 14

DUB

as low as

$798

Dublin, IE (DUB) - Chicago, US (CHI)

Finnair Logo
Finnair

Jun 16

DUB
8h
Direct

Jun 16

ORD
Aer Lingus Logo
Aer Lingus

Jun 28

ORD
14h
LHR

Jun 29

DUB

as low as

$916

Dublin, IE (DUB) - Chicago, US (CHI)

IBERIA Logo
IBERIA

Sep 8

DUB
8h
Direct

Sep 8

ORD
IBERIA Logo
IBERIA

Sep 22

ORD
11h 15m
LHR

Sep 23

DUB

as low as

$962

Dublin, IE (DUB) - Chicago, US (CHI)

JetBlue Logo
JetBlue

Sep 15

DUB
14h 42m
BOS

Sep 15

ORD
JetBlue Logo
JetBlue

Sep 22

ORD
20h 30m
JFK

Sep 23

DUB

as low as

$1334

Dublin, IE (DUB) - Chicago, US (CHI)

Austrian Airlines Logo
Austrian Airlines

May 12

DUB
12h 47m
EWR

May 12

ORD
United Airlines Logo
United Airlines

May 21

ORD
12h 15m
EWR

May 22

DUB

as low as

$1565

Dublin, IE (DUB) - Chicago, US (CHI)

Air Canada Logo
Air Canada

Jul 23

DUB
10h 46m
YYZ

Jul 23

ORD
Air Canada Logo
Air Canada

Jul 23

ORD
9h 38m
YYZ

Jul 24

DUB

as low as

$2192

Top Deals on flights from Shannon to Chicago

Shannon, IE (SNN) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jan 17

SNN
23h 45m
LHR

Jan 18

ORD
British Airways Logo
British Airways

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$773

Shannon, IE (SNN) - Chicago, US (CHI)

American Airlines Logo
American Airlines

Jan 17

SNN
24h 20m
BOS

Jan 18

ORD
British Airways Logo
British Airways

Feb 2

ORD
12h 20m
LHR

Feb 3

SNN

as low as

$773

Shannon, IE (SNN) - Chicago, US (CHI)

American Airlines Logo
American Airlines

Jan 17

SNN
24h 20m
BOS

Jan 18

ORD
IBERIA Logo
IBERIA

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$774

Shannon, IE (SNN) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jan 17

SNN
23h 45m
LHR

Jan 18

ORD
IBERIA Logo
IBERIA

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$775

Shannon, IE (SNN) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jan 17

SNN
12h
LHR

Jan 17

ORD
IBERIA Logo
IBERIA

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$798

Shannon, IE (SNN) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jan 17

SNN
12h
LHR

Jan 17

ORD
IBERIA Logo
IBERIA

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$802

Shannon, IE (SNN) - Chicago, US (CHI)

Delta Air Lines Logo
Delta Air Lines

Sep 1

SNN
14h 31m
JFK

Sep 1

ORD
Delta Air Lines Logo
Delta Air Lines

Sep 8

ORD
11h
JFK

Sep 9

SNN

as low as

$834

Shannon, IE (SNN) - Chicago, US (CHI)

British Airways Logo
British Airways

Jan 17

SNN
23h 45m
LHR

Jan 18

ORD
IBERIA Logo
IBERIA

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$853

Shannon, IE (SNN) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jan 17

SNN
12h
LHR

Jan 17

ORD
British Airways Logo
British Airways

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$877

Shannon, IE (SNN) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jan 17

SNN
12h
LHR

Jan 17

ORD
British Airways Logo
British Airways

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$880

Shannon, IE (SNN) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jan 17

SNN
12h
LHR

Jan 17

ORD
IBERIA Logo
IBERIA

Feb 2

ORD
10h 40m
LHR

Feb 3

SNN

as low as

$882

Shannon, IE (SNN) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jan 17

SNN
23h 45m
LHR

Jan 18

ORD
Aer Lingus Logo
Aer Lingus

Feb 2

ORD
12h 20m
LHR

Feb 3

SNN

as low as

$918

Top Deals on flights from Cork to Chicago

Cork, IE (ORK) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jul 9

ORK
7h 50m
LHR
ORD

Jul 9

CHI
Aer Lingus Logo
Aer Lingus

Jul 18

CHI
16h 35m
LHR
ORK

Jul 19

ORK

as low as

$1020

Cork, IE (ORK) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jul 9

ORK
12h 5m
LHR
DUB
ORD

Jul 9

CHI
Aer Lingus Logo
Aer Lingus

Jul 18

CHI
16h 35m
LHR
ORK

Jul 19

ORK

as low as

$1032

Cork, IE (ORK) - Chicago, US (CHI)

Finnair Logo
Finnair

Jul 9

ORK
21h 5m
LHR
ORD

Jul 10

CHI
Finnair Logo
Finnair

Jul 18

CHI
17h 45m
LHR
ORK

Jul 19

ORK

as low as

$1076

Cork, IE (ORK) - Chicago, US (CHI)

IBERIA Logo
IBERIA

Jul 9

ORK
25h 25m
LHR
ORD

Jul 10

CHI
IBERIA Logo
IBERIA

Jul 18

CHI
17h 45m
LHR
ORK

Jul 19

ORK

as low as

$1082

Cork, IE (ORK) - Chicago, US (CHI)

Aer Lingus Logo
Aer Lingus

Jul 9

ORK
31h 25m
LHR

Jul 10

ORD
Aer Lingus Logo
Aer Lingus

Jul 18

ORD
11h 45m
LHR

Jul 19

ORK

as low as

$1082

Cork, IE (ORK) - Chicago, US (CHI)

British Airways Logo
British Airways

Jul 9

ORK
21h 5m
LHR
ORD

Jul 10

CHI
British Airways Logo
British Airways

Jul 18

CHI
17h 45m
LHR
ORK

Jul 19

ORK

as low as

$1082

Cork, IE (ORK) - Chicago, US (CHI)

Air Canada Logo
Air Canada

Jul 9

ORK
8h 40m
LHR
YUL
ORD

Jul 9

CHI
Air Canada Logo
Air Canada

Jul 18

CHI
20h 30m
YYZ
LHR
ORK

Jul 19

ORK

as low as

$1113

Cork, IE (ORK) - Chicago, US (CHI)

British Airways Logo
British Airways

Jul 9

ORK
12h 5m
LHR
DUB
ORD

Jul 9

CHI
British Airways Logo
British Airways

Jul 18

CHI
17h 45m
LHR
ORK

Jul 19

ORK

as low as

$1131

Cork, IE (ORK) - Chicago, US (CHI)

Air Canada Logo
Air Canada

Jul 9

ORK
8h 40m
LHR
YUL
ORD

Jul 9

CHI
Air Canada Logo
Air Canada

Jul 18

CHI
20h 55m
LHR
ORK

Jul 19

ORK

as low as

$1158

Cork, IE (ORK) - Chicago, US (CHI)

IBERIA Logo
IBERIA

Jul 9

ORK
19h 10m
AGP
DUB
ORD

Jul 10

CHI
IBERIA Logo
IBERIA

Jul 18

CHI
16h 35m
LHR
ORK

Jul 19

ORK

as low as

$1186

Cork, IE (ORK) - Chicago, US (CHI)

American Airlines Logo
American Airlines

Jul 9

ORK
12h 5m
LHR
DUB
ORD

Jul 9

CHI
American Airlines Logo
American Airlines

Jul 18

CHI
16h 35m
LHR
ORK

Jul 19

ORK

as low as

$1278

Cork, IE (ORK) - Chicago, US (CHI)

United Airlines Logo
United Airlines

Jul 9

ORK
5h 50m
LHR
ORD

Jul 9

CHI
United Airlines Logo
United Airlines

Jul 18

CHI
20h 55m
LHR
ORK

Jul 19

ORK

as low as

$1346

Top Deals on flights from Dublin to Peoria

Dublin, IE (DUB) - Peoria, US (PIA)

American Airlines Logo
American Airlines

Aug 14

DUB
17h 14m
CLT

Aug 14

PIA
American Airlines Logo
American Airlines

Aug 20

PIA
11h 11m
CLT

Aug 21

DUB

as low as

$1203

Dublin, IE (DUB) - Peoria, US (PIA)

Aer Lingus Logo
Aer Lingus

Aug 14

DUB
13h 50m
ORD

Aug 14

PIA
American Airlines Logo
American Airlines

Aug 20

PIA
10h 5m
ORD

Aug 21

DUB

as low as

$1362

Dublin, IE (DUB) - Peoria, US (PIA)

IBERIA Logo
IBERIA

Aug 14

DUB
23h 56m
PIT
ORD

Aug 15

PIA
American Airlines Logo
American Airlines

Aug 20

PIA
10h 5m
ORD

Aug 21

DUB

as low as

$1384

Dublin, IE (DUB) - Peoria, US (PIA)

Lufthansa Logo
Lufthansa

Aug 14

DUB
11h 21m
ORD

Aug 14

PIA
Lufthansa Logo
Lufthansa

Aug 20

PIA
10h 14m
ORD

Aug 21

DUB

as low as

$1498

Dublin, IE (DUB) - Peoria, US (PIA)

United Airlines Logo
United Airlines

Aug 14

DUB
11h 21m
ORD

Aug 14

PIA
United Airlines Logo
United Airlines

Aug 20

PIA
10h 14m
ORD

Aug 21

DUB

as low as

$1595

Top Deals on flights from Dublin to Moline

Dublin, IE (DUB) - Moline, US (MLI)

Lufthansa Logo
Lufthansa

Jun 29

DUB
29h 23m
FRA
ORD

Jun 30

MLI
Lufthansa Logo
Lufthansa

Jul 6

MLI
14h 30m
ORD

Jul 7

DUB

as low as

$1465

Dublin, IE (DUB) - Moline, US (MLI)

Lufthansa Logo
Lufthansa

Jun 29

DUB
23h 23m
FRA
ORD
MLI

Jun 30

MLI
Lufthansa Logo
Lufthansa

Jul 6

MLI
20h 30m
ORD
DUB

Jul 7

DUB

as low as

$1465

Dublin, IE (DUB) - Moline, US (MLI)

Lufthansa Logo
Lufthansa

Jun 29

DUB
23h 23m
FRA
ORD
MLI

Jun 30

MLI
Lufthansa Logo
Lufthansa

Jul 6

MLI
27h 35m
ORD
FRA
DUB

Jul 7

DUB

as low as

$1470

Dublin, IE (DUB) - Moline, US (MLI)

Lufthansa Logo
Lufthansa

Jun 29

DUB
12h 49m
ORD
MLI

Jun 30

MLI
Lufthansa Logo
Lufthansa

Jul 6

MLI
20h 30m
ORD
DUB

Jul 7

DUB

as low as

$1816

Good to Know

Essential information to help you plan your flight from Ireland to Illinois

Cheapest Flight

$642

The lowest price we found in the last two weeks, departing Nov 7 and returning Nov 14

Airline TP1 stop ‧ 28h 35m ‧ economy

Fastest Flights

$1346

The fastest flight that we found in the last two weeks, departing Jul 9 and returning Jul 19

Airline UA2 stops ‧ 5h 50m ‧ economy

Cheapest Flight Round-trip

$642

Cheapest price found in the last 14 days, departing Nov 7 and returning Nov 14

Airline TP1 stop ‧ 28h 35m ‧ economy

Cheapest Layover airport

$735

The cheapest layover airport to Chicago is currently $735

Airline UA1 stop ‧ 14h ‧ economy

Best Arrival airport

$642

The best arrival airport to Chicago is currently $642

Airline TP1 stop ‧ 28h 35m ‧ economy

Best Departure airport

$642

The best departure airport to Chicago is currently $642

Airline TP1 stop ‧ 28h 35m ‧ economy

Cheapest Airline

$642

The cheapest airline to Chicago is currently $642

Airline TP1 stop ‧ 28h 35m ‧ economy

Frequently Asked Questions

How long is the flight from Ireland to Illinois?

From Dublin to Chicago O'Hare, non-stop flights usually last about 8 hours. One-stop routes via European hubs like London or Amsterdam typically take 10 to 13 hours total from Ireland to Illinois.

Which airports in Ireland are best for flying to Illinois?

Dublin Airport provides the most frequent non-stop flights to Chicago O'Hare International Airport, making it the best entry point from Ireland. Cork and Shannon airports offer fewer direct options, with connections typically through Dublin or European hubs.

Do I need a visa to travel from Ireland to Illinois?

Irish citizens visiting Illinois generally do not need a visa for short stays if they qualify for the ESTA program. However, visa requirements depend on your nationality and travel purpose. Always check the latest official government guidance before your trip.

Which airlines fly from Ireland to Illinois?

Aer Lingus, American Airlines and United offer direct or one-stop flights from Ireland to Chicago O’Hare.

If I need a connection, what are common layover cities between Ireland and Illinois?

Common layover cities include London, Dallas, Chicago O'Hare and Atlanta, offering strong onward flights to Illinois and efficient transfers.

How easy is it to travel within Illinois after I arrive?

Illinois offers good train and bus connections, especially around Chicago. O'Hare Airport provides extensive domestic flights and easy access to the city via public transport, facilitating smooth onward travel.

What is the baggage allowance on flights from Ireland to Illinois?

On Ireland to Illinois flights, baggage rules depend on the airline and fare class. Basic economy fares may not include checked bags, while standard international economy typically allows at least one checked bag. Premium cabins provide more generous allowances.

Flights to Illinois