$481 Cheap Aer Lingus flights Chicago (ORD) to Southampton (SOU)

View $481 flight on Wed, Sep 3, 2025Opens in a new window

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$481 Cheap Aer Lingus flights Chicago (ORD) to Southampton (SOU)

Prices were available within the past 7 days and start at $481 for one-way flights and $755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Tue, Dec 2 - Fri, Jan 9
ORD
Chicago
SOU
Southampton
$755 Roundtrip, found 10 hours ago
$755
Roundtrip
found 10 hours ago
Select Aer Lingus flight, departing Tue, Dec 2 from Chicago to Southampton, returning Fri, Jan 9, priced at $755 found 10 hours ago
Aer Lingus
Wed, Oct 8 - Wed, Oct 15
ORD
Chicago
SOU
Southampton
$815 Roundtrip, found 10 hours ago
$815
Roundtrip
found 10 hours ago
Select Aer Lingus flight, departing Wed, Oct 8 from Chicago to Southampton, returning Wed, Oct 15, priced at $815 found 10 hours ago
Aer Lingus
Sat, Dec 6 - Fri, Jan 9
ORD
Chicago
SOU
Southampton
$824 Roundtrip, found 10 hours ago
$824
Roundtrip
found 10 hours ago
Select Aer Lingus flight, departing Sat, Dec 6 from Chicago to Southampton, returning Fri, Jan 9, priced at $824 found 10 hours ago
Aer Lingus
Sun, Feb 1 - Sat, Feb 14
ORD
Chicago
SOU
Southampton
$831 Roundtrip, found 3 days ago
$831
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Sun, Feb 1 from Chicago to Southampton, returning Sat, Feb 14, priced at $831 found 3 days ago
Aer Lingus
Sat, Dec 6 - Fri, Jan 9
ORD
Chicago
SOU
Southampton
$842 Roundtrip, found 10 hours ago
$842
Roundtrip
found 10 hours ago
Select Aer Lingus flight, departing Sat, Dec 6 from Chicago to Southampton, returning Fri, Jan 9, priced at $842 found 10 hours ago
Flights from Chicago (ORD) to Southampton (SOU)
Origin airport
O'Hare Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, British Airways, Delta, KLM, Virgin Atlantic
Popular airline
Aer Lingus
Distance
3923 mi

Frequently asked questions

How much is an Aer Lingus flight from O'Hare Intl. Airport (ORD) to Southampton Airport (SOU)?
You can find cheap return Aer Lingus flights from $755 from ORD to SOU by organizing your results from "Price (lowest to highest)" on Expedia. Or look for options from $481 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ORD to SOU with Aer Lingus?
Browse for round-trip or one-way flights to Southampton in January or February. You could find a cheap fare with Aer Lingus during these quieter months.
What is the cheapest time to book flights from O'Hare Intl. Airport (ORD) to Southampton Airport (SOU) with Aer Lingus?
To get cheap flights from ORD to SOU with Aer Lingus, start your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another good tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Aer Lingus fly nonstop from O'Hare Intl. Airport (ORD) to Southampton Airport (SOU)?
To find out if there's a direct route from ORD to SOU with Aer Lingus or other carriers, use our "Nonstop" filter when looking for tickets.
What is the earliest Aer Lingus flight from ORD to SOU?
Filter your results by "Early Morning" and "Morning" to find the earliest flights from ORD to SOU. Leaving early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Aer Lingus fly into in Southampton?
Southampton Airport (SOU) is the main Southampton hub for Aer Lingus flights from O'Hare Intl. Airport (ORD).
What kind of luggage can I take on an Aer Lingus flight from O'Hare Intl. Airport (ORD) to Southampton Airport (SOU)?
Aer Lingus allows travelers to bring 1 checked-in bag weighing up to 50 lb with maximum dimensions of 62 inches on standard economy flights from ORD to SOU. You can also bring 1 cabin bag in the cabin. This hand luggage must not exceed 21 inches x 15 inches x 9 inches and weigh less than 22 lb. Baggage rules can differ based on your cabin class and fare type, so check your booking or Aer Lingus's website to avoid any additional fees at the airport.
Why fly with Aer Lingus from ORD to SOU?
Aer Lingus makes traveling from ORD to SOU more enjoyable with a 4-star airline rating and a rewarding loyalty program. You even have the chance to collect points with Aer Lingus AerClub. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Aer Lingus flight from O'Hare Intl. Airport (ORD) to Southampton Airport (SOU)?
Changes are typically free within 24 hours of booking, but your airline may charge a fee after that time. For further details about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to make changes without being charged, tick the "Changes included" or "No cancel fee" filter when planning your next trip.

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