Cheap Flights to Portumna from HK$1,074

View HK$1,074 flight on Fri, 28 Nov 2025Opens in a new window

Popular airlines to Portumna

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Portumna

Prices were available within the past 7 days and start at HK$1,074 for one-way flights and HK$1,952 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Fri, 9 Jan - Sun, 11 Jan
LHR
London
SNN
Shannon
HK$1,952 Return, found 1 day ago
HK$1,952
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 9 Jan from London to Shannon, returning Sun, 11 Jan, priced at HK$1,952 found 1 day ago
Aer Lingus
Fri, 9 Jan - Sun, 11 Jan
LHR
London
SNN
Shannon
HK$1,972 Return, found 1 day ago
HK$1,972
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 9 Jan from London to Shannon, returning Sun, 11 Jan, priced at HK$1,972 found 1 day ago
Aer Lingus
Fri, 9 Jan - Sun, 11 Jan
LHR
London
SNN
Shannon
HK$1,991 Return, found 1 day ago
HK$1,991
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 9 Jan from London to Shannon, returning Sun, 11 Jan, priced at HK$1,991 found 1 day ago
Aer Lingus
Fri, 9 Jan - Sun, 11 Jan
LHR
London
SNN
Shannon
HK$1,992 Return, found 1 day ago
HK$1,992
Return
found 1 day ago
Select Aer Lingus flight, departing Fri, 9 Jan from London to Shannon, returning Sun, 11 Jan, priced at HK$1,992 found 1 day ago
British Airways
Fri, 28 Nov - Sun, 30 Nov
LHR
London
SNN
Shannon
HK$2,174 Return, found 1 day ago
HK$2,174
Return
found 1 day ago
Select British Airways flight, departing Fri, 28 Nov from London to Shannon, returning Sun, 30 Nov, priced at HK$2,174 found 1 day ago

Find the cheapest month to fly from Columbus (CMH) to Shannon (SNN)

August is typically the cheapest month to fly

From HK$4,545 - HK$11,684 per traveller.
Flights to Portumna information
Destination airport
Shannon
Destination airport IATA code
SNN
Destination city name
Shannon
Return price
HK$1,952
*Available to Expedia members.