$561 Cheap Aer Lingus flights Los Angeles (LAX) to Southampton (SOU)

View $561 flight on Sun, Mar 22, 2026Opens in a new window

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$561 Cheap Aer Lingus flights Los Angeles (LAX) to Southampton (SOU)

Prices were available within the past 7 days and start at $561 for one-way flights and $687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, Nov 10 - Wed, Nov 19
LAX
Los Angeles
SOU
Southampton
$687 Roundtrip, found 5 days ago
$687
Roundtrip
found 5 days ago
Select Aer Lingus flight, departing Mon, Nov 10 from Los Angeles to Southampton, returning Wed, Nov 19, priced at $687 found 5 days ago
Aer Lingus
Mon, Sep 8 - Wed, Sep 24
LAX
Los Angeles
SOU
Southampton
$723 Roundtrip, found 14 hours ago
$723
Roundtrip
found 14 hours ago
Select Aer Lingus flight, departing Mon, Sep 8 from Los Angeles to Southampton, returning Wed, Sep 24, priced at $723 found 14 hours ago
Aer Lingus
Mon, Sep 1 - Wed, Sep 17
LAX
Los Angeles
SOU
Southampton
$731 Roundtrip, found 11 hours ago
$731
Roundtrip
found 11 hours ago
Select Aer Lingus flight, departing Mon, Sep 1 from Los Angeles to Southampton, returning Wed, Sep 17, priced at $731 found 11 hours ago
Aer Lingus
Wed, Sep 10 - Wed, Sep 17
LAX
Los Angeles
SOU
Southampton
$732 Roundtrip, found 1 day ago
$732
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Sep 10 from Los Angeles to Southampton, returning Wed, Sep 17, priced at $732 found 1 day ago
Aer Lingus
Tue, Sep 9 - Tue, Sep 23
LAX
Los Angeles
SOU
Southampton
$743 Roundtrip, found 3 days ago
$743
Roundtrip
found 3 days ago
Select Aer Lingus flight, departing Tue, Sep 9 from Los Angeles to Southampton, returning Tue, Sep 23, priced at $743 found 3 days ago
Aer Lingus
Thu, Oct 30 - Thu, Nov 6
LAX
Los Angeles
SOU
Southampton
$774 Roundtrip, found 4 days ago
$774
Roundtrip
found 4 days ago
Select Aer Lingus flight, departing Thu, Oct 30 from Los Angeles to Southampton, returning Thu, Nov 6, priced at $774 found 4 days ago
Flights from Los Angeles (LAX) to Southampton (SOU)
Origin airport
Los Angeles Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, British Airways, Delta, KLM, Virgin Atlantic
Popular airline
Aer Lingus
Distance
5437 mi

Frequently asked questions

How much is an Aer Lingus flight from Los Angeles Intl. Airport (LAX) to Southampton Airport (SOU)?
Scoring cheap one-way Aer Lingus flights from LAX to SOU from $561 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $687 for your next exciting adventure.**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 LAX to SOU with Aer Lingus?
Look for return or one-way flights to Southampton in January or February. You could find lower fares with Aer Lingus during these off-peak travel months.
What is the cheapest time to book flights from Los Angeles Intl. Airport (LAX) to Southampton Airport (SOU) with Aer Lingus?
Getting the best Aer Lingus deals from LAX to SOU often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better still, you can pocket 17% on average by buying your fare on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start searching for flights about one month before your travel dates.*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 Los Angeles Intl. Airport (LAX) to Southampton Airport (SOU)?
Enter your dates, click search and check "Nonstop" on Expedia to find any direct flights from LAX to SOU with Aer Lingus or other airlines.
What is the earliest Aer Lingus flight from LAX to SOU?
Find Aer Lingus's earliest flights from LAX to SOU by using our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**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 primary Southampton hub for Aer Lingus flights from Los Angeles Intl. Airport (LAX).
What kind of luggage can I take on an Aer Lingus flight from Los Angeles Intl. Airport (LAX) to Southampton Airport (SOU)?
On a standard economy flight with Aer Lingus from LAX to SOU, passengers can bring 1 checked-in bag up to 50 lb with dimensions not exceeding 62 inches in total. For carry-on, you can have 1 cabin bag weighing up to 22 lb and measuring less than 21 inches x 15 inches x 9 inches. Weight and size restrictions can differ depending on the airfare type and cabin class you're in. To make sure you don't get caught with extra charges at the airport, check your Aer Lingus booking or visit the airline's website before packing.
Why fly with Aer Lingus from LAX to SOU?
Traveling from LAX to SOU with Aer Lingus comes with a host of benefits, including a rewarding loyalty program and a 4-star airline rating. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Aer Lingus AerClub points you can earn with Aer Lingus.*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 Los Angeles Intl. Airport (LAX) to Southampton Airport (SOU)?
Changes are generally free within 24 hours of making your booking, but your airline may add a charge after that time. For further information about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to update your itinerary without additional costs, check the "No cancel fee" or "Changes included" filter when planning your next escape.

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*Available to One Key members.