KLM Cheap Flights from Porto to Southampton

View €189 flight on Tue, 7 Oct 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days and start at €189 for one-way flights and €358 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, 7 Aug - Wed, 13 Aug
OPO
Porto
SOU
Southampton
€358 Return, found 8 hours ago
€358
Return
found 8 hours ago
Select KLM flight, departing Thu, 7 Aug from Porto to Southampton, returning Wed, 13 Aug, priced at €358 found 8 hours ago
KLM
Thu, 7 Aug - Wed, 13 Aug
OPO
Porto
SOU
Southampton
€375 Return, found 8 hours ago
€375
Return
found 8 hours ago
Select KLM flight, departing Thu, 7 Aug from Porto to Southampton, returning Wed, 13 Aug, priced at €375 found 8 hours ago
KLM
Thu, 7 Aug - Wed, 13 Aug
OPO
Porto
SOU
Southampton
€432 Return, found 8 hours ago
€432
Return
found 8 hours ago
Select KLM flight, departing Thu, 7 Aug from Porto to Southampton, returning Wed, 13 Aug, priced at €432 found 8 hours ago
KLM
Thu, 7 Aug - Wed, 13 Aug
OPO
Porto
SOU
Southampton
€449 Return, found 8 hours ago
€449
Return
found 8 hours ago
Select KLM flight, departing Thu, 7 Aug from Porto to Southampton, returning Wed, 13 Aug, priced at €449 found 8 hours ago
Porto to Southampton route information
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Southampton
Distance
1209 km
*Available to Expedia members.