Cheap flights from Portsmouth

View AU$71 flight on Mon, 29 Sep. 2025Opens in a new window

Popular airlines from Portsmouth

  • British Airways

    British Airways

  • Air France

    Air France

  • Turkish Airlines

    Turkish Airlines

  • KLM

    KLM

  • Qatar Airways

    Qatar Airways

  • Lufthansa

    Lufthansa

  • Swiss International Air Lines

    Swiss International Air Lines

  • 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 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from Portsmouth

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Thu, 25 Sep. - Sun, 28 Sep.
SOU
Southampton
DUB
Dublin
AU$187 Return, found 4 days ago
AU$187
Return
found 4 days ago
Select Aer Lingus flight, departing Thu, 25 Sep. from Southampton to Dublin, returning Sun, 28 Sep., priced at AU$187 found 4 days ago
Aer Lingus
Thu, 2 Oct. - Thu, 9 Oct.
SOU
Southampton
BHD
Belfast
AU$188 Return, found 1 hour ago
AU$188
Return
found 1 hour ago
Select Aer Lingus flight, departing Thu, 2 Oct. from Southampton to Belfast, returning Thu, 9 Oct., priced at AU$188 found 1 hour ago
Aer Lingus
Fri, 5 Sep. - Sun, 7 Sep.
SOU
Southampton
BHD
Belfast
AU$205 Return, found 5 days ago
AU$205
Return
found 5 days ago
Select Aer Lingus flight, departing Fri, 5 Sep. from Southampton to Belfast, returning Sun, 7 Sep., priced at AU$205 found 5 days ago
Aer Lingus
Thu, 2 Oct. - Thu, 9 Oct.
SOU
Southampton
BHD
Belfast
AU$213 Return, found 1 hour ago
AU$213
Return
found 1 hour ago
Select Aer Lingus flight, departing Thu, 2 Oct. from Southampton to Belfast, returning Thu, 9 Oct., priced at AU$213 found 1 hour ago
Aer Lingus
Fri, 26 Sep. - Mon, 29 Sep.
SOU
Southampton
BHD
Belfast
AU$215 Return, found 5 days ago
AU$215
Return
found 5 days ago
Select Aer Lingus flight, departing Fri, 26 Sep. from Southampton to Belfast, returning Mon, 29 Sep., priced at AU$215 found 5 days ago
Aer Lingus
Thu, 2 Oct. - Thu, 9 Oct.
SOU
Southampton
BHD
Belfast
AU$217 Return, found 1 hour ago
AU$217
Return
found 1 hour ago
Select Aer Lingus flight, departing Thu, 2 Oct. from Southampton to Belfast, returning Thu, 9 Oct., priced at AU$217 found 1 hour ago
easyJet
Tue, 24 Feb. - Fri, 27 Mar.
SOU
Southampton
GLA
Glasgow
AU$223 Return, found 5 days ago
AU$223
Return
found 5 days ago
Select easyJet flight, departing Tue, 24 Feb. from Southampton to Glasgow, returning Fri, 27 Mar., priced at AU$223 found 5 days ago
Aurigny Air Services
Mon, 15 Sep. - Wed, 17 Sep.
SOU
Southampton
GCI
Guernsey
AU$404 Return, found 3 days ago
AU$404
Return
found 3 days ago
Select Aurigny Air Services flight, departing Mon, 15 Sep. from Southampton to Guernsey, returning Wed, 17 Sep., priced at AU$404 found 3 days ago
KLM
Fri, 24 Oct. - Sat, 8 Nov.
SOU
Southampton
DUB
Dublin
AU$405 Return, found 1 day ago
AU$405
Return
found 1 day ago
Select KLM flight, departing Fri, 24 Oct. from Southampton to Dublin, returning Sat, 8 Nov., priced at AU$405 found 1 day ago
Loganair
Tue, 7 Oct. - Mon, 13 Oct.
SOU
Southampton
EDI
Edinburgh
AU$452 Return, found 4 days ago
AU$452
Return
found 4 days ago
Select Loganair flight, departing Tue, 7 Oct. from Southampton to Edinburgh, returning Mon, 13 Oct., priced at AU$452 found 4 days ago

Flights from Portsmouth: Essential Travel Information

Cheapest flight from Portsmouth
AU$187 (roundtrip)
Best airlines to fly from Portsmouth
easyJet, Aer Lingus, Aurigny Air Services, Hahn Air Technologies, KLM, Loganair
Cheapest month to fly from Portsmouth
September
Portsmouth IATA code
SOU
Portsmouth Country/State
England
Airline ticket deals from Portsmouth
AU$187 - AU$452
*Available to Expedia members.