$140 Cheap British Airways flights Dublin (DUB) to Southampton (SOU)

View $140 flight on Sun, Mar 8, 2026Opens in a new window

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$140 Cheap British Airways flights Dublin (DUB) to Southampton (SOU)

Prices were available within the past 7 days and start at $140 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Fri, May 15 - Sat, May 23
DUB
Dublin
SOU
Southampton
$299 Roundtrip, found 1 day ago
$299
Roundtrip
found 1 day ago
Select British Airways flight, departing Fri, May 15 from Dublin to Southampton, returning Sat, May 23, priced at $299 found 1 day ago
Flights from Dublin (DUB) to Southampton (SOU)
Origin airport
Dublin
Destination airport
Southampton
Airlines serving
Aer Lingus, British Airways, KLM
Popular airline
Aer Lingus
Distance
268 mi
Average flight time
1 hour 43 mins

Frequently asked questions

How much is a British Airways flight from Dublin Airport (DUB) to Southampton Airport (SOU)?
Finding cheap one-way British Airways flights from DUB to SOU from $140 on Expedia is simple --- just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $299 for your next getaway.**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 DUB to SOU with British Airways?
British Airways flights to Southampton are typically more affordable in the quieter months of January and February. Whether you're after a one-way or round-trip ticket, you could land a better deal then.
What is the cheapest time to book flights from Dublin Airport (DUB) to Southampton Airport (SOU) with British Airways?
Search for British Airways flights from DUB to SOU about one month before you want to leave. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of ticket type or itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save 17% on average compared to those who book on a Friday.**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 British Airways fly nonstop from Dublin Airport (DUB) to Southampton Airport (SOU)?
To see if there's a direct trip from DUB to SOU with British Airways or any other carriers, check the "Nonstop" box when browsing for tickets.
What is the earliest British Airways flight from DUB to SOU?
Filter your results by "Early Morning" and "Morning" to browse the earliest flights from DUB to SOU. Setting off 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 British Airways fly into in Southampton?
Take a British Airways flight from Dublin Airport (DUB) to Southampton, and you'll most likely come in to Southampton Airport (SOU). This is the airline's main hub here.
What kind of luggage can I take on a British Airways flight from Dublin Airport (DUB) to Southampton Airport (SOU)?
For checked luggage, you can bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches. You can also bring 2 cabin bags on board when flying standard economy from DUB to SOU with British Airways. This carry-on should weigh less than 50 lb and be no larger than 19 inches x 9 inches x 17 inches. Going over these limits can mean additional charges, so read British Airways's baggage allowance rules before you begin packing.
Why fly with British Airways from DUB to SOU?
British Airways makes traveling from DUB to SOU enjoyable with a 4-star airline rating and an excellent in-flight experience. You could even start earning points with British Airways Executive Club. Remember to join Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does British Airways fly from Dublin Airport (DUB) to Southampton Airport (SOU)?
British Airways typically uses ATR 72 planes for journeys from Dublin Airport (DUB) to Southampton Airport (SOU). Remember that aircraft type can change depending on operational needs, so the plane you'll be on might be different on your day of travel.
Can I change or cancel my British Airways flight from Dublin Airport (DUB) to Southampton Airport (SOU)?
Changes are typically free within 24 hours of booking, but your airline may charge you after that time. For further details about modifying your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your plans without additional charges, tick the "Changes included" or "No cancel fee" filter when planning your next escape.

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