A coastal cliff with a lighthouse, rocky shoreline, and turbulent sea.

Cheap Flights to Costa Alentejana from HK$424

View HK$424 flight on Sun, 30 Aug 2026Opens in a new window

Flight 1

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Cheap round-trip flights to Costa Alentejana

Prices were available within the past 7 days and start at HK$424 for one-way flights and HK$857 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Mon, 7 Sept - Wed, 16 Sept
LTN
London
LIS
Lisbon
HK$857 Return, found 21 hours ago
HK$857
Return
found 21 hours ago
Select easyJet flight, departing Mon, 7 Sept from London to Lisbon, returning Wed, 16 Sept, priced at HK$857 found 21 hours ago
Vueling Airlines
Fri, 27 Nov - Mon, 30 Nov
LGW
London
LIS
Lisbon
HK$1,134 Return, found 6 days ago
HK$1,134
Return
found 6 days ago
Select Vueling Airlines flight, departing Fri, 27 Nov from London to Lisbon, returning Mon, 30 Nov, priced at HK$1,134 found 6 days ago
Air Europa
Wed, 25 Nov - Wed, 2 Dec
LGW
London
LIS
Lisbon
HK$1,743 Return, found 6 days ago
HK$1,743
Return
found 6 days ago
Select Air Europa flight, departing Wed, 25 Nov from London to Lisbon, returning Wed, 2 Dec, priced at HK$1,743 found 6 days ago
TAP Portugal
Sun, 30 Aug - Tue, 8 Sept
LGW
London
LIS
Lisbon
HK$1,745 Return, found 20 hours ago
HK$1,745
Return
found 20 hours ago
Select TAP Portugal flight, departing Sun, 30 Aug from London to Lisbon, returning Tue, 8 Sept, priced at HK$1,745 found 20 hours ago
British Airways
Tue, 17 Nov - Tue, 24 Nov
LHR
London
LIS
Lisbon
HK$1,900 Return, found 22 hours ago
HK$1,900
Return
found 22 hours ago
Select British Airways flight, departing Tue, 17 Nov from London to Lisbon, returning Tue, 24 Nov, priced at HK$1,900 found 22 hours ago

Frequently asked questions

How do I find cheap flights to Costa Alentejana that have flexible change policies?
When it comes to traveling these days, flexibility is a must. That's why we've added a "No change fee" search function to help you locate flexible, affordable airfares to Costa Alentejana. It's near the top left of your screen under the "Flexible change policies" subheading.
Which airlines fly to Costa Alentejana?
Book a seat with one of these airlines and the dynamic region of Costa Alentejana will be all yours to explore:

  • TAP Portugal - 251 flights to or near Costa Alentejana each month, including 251 flights to Humberto Delgado Airport (LIS) per month.
  • Delta Air Lines - 60 flights to or near Costa Alentejana each month, including 60 flights to Humberto Delgado Airport (LIS) per month.
  • United Airlines - 60 flights to or near Costa Alentejana each month, including 60 flights to Humberto Delgado Airport (LIS) per month.

How can I find cheap tickets to Costa Alentejana?
One of the best ways to nab cheap tickets to Costa Alentejana is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. It will bring up the cheapest prices for nearby days. The lowest price for a flight to Costa Alentejana in the last seven days was HK$857. Booking ahead of time will generally help you score an even bigger bargain.
How much is a flight to Costa Alentejana?
If you were flying one way from London (LTN), you could've landed a cheap seat for just HK$424 in the last seven days. Return flights to Costa Alentejana ranged from HK$857 to HK$4,070 over the same period.
What are the most popular airports to fly into in Costa Alentejana?
Get ready to pack your bags and jet into Humberto Delgado Airport (LIS), Costa Alentejana's main flight hub. Book a ticket on one of the 403 flights that land at this awesome destination each month.
When is the cheapest time to fly to Costa Alentejana?
Take off to Costa Alentejana early in the week and you'll usually be rewarded more economical fares. Tuesday is generally the cheapest day to jump on a plane, followed closely by Monday. If you want to avoid the priciest flights, steer clear of Saturdays.
How much is a plane ticket to Costa Alentejana?
In the last seven days, airfares to Costa Alentejana fluctuated between HK$857 and HK$4,070. Prices tend to go up over time, so book an awesome deal today.
What months are the cheapest to book a flight to Costa Alentejana?
February is the most affordable month to purchase a seat for your Costa Alentejana break. Airfares cost the most throughout the busy month of December, so avoid this time if you can.

Travel information

Destination airport
Humberto Delgado
Destination airport IATA code
LIS
Destination city name
Lisbon
Return price
HK$856

Trending flights to Costa Alentejana

Prices were available within the past 7 days and start at HK$424 for one-way flights and HK$857 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Wed, 4 Nov - Fri, 13 Nov
HKG
Hong Kong SAR
LIS
Lisbon
HK$4,070 Return, found 5 days ago
HK$4,070
Return
found 5 days ago
Select Finnair flight, departing Wed, 4 Nov from Hong Kong SAR to Lisbon, returning Fri, 13 Nov, priced at HK$4,070 found 5 days ago
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