Cheap Flights to Costa Alentejana from HK$517

View HK$517 flight on Tue, 22 Sept 2026Opens in a new window

Popular airlines

  • Lufthansa

  • TAP Portugal

  • Swiss International Air Lines

  • British Airways

  • Iberia

  • KLM

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Costa Alentejana

Prices were available within the past 7 days and start at HK$517 for one-way flights and HK$1,132 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

easyJet
Sun, 6 Dec - Sat, 12 Dec
LTN
London
LIS
Lisbon
HK$1,132 Return, found 1 day ago
HK$1,132
Return
found 1 day ago
Select easyJet flight, departing Sun, 6 Dec from London to Lisbon, returning Sat, 12 Dec, priced at HK$1,132 found 1 day ago
Vueling Airlines
Sun, 6 Dec - Sat, 12 Dec
LGW
London
LIS
Lisbon
HK$1,195 Return, found 1 day ago
HK$1,195
Return
found 1 day ago
Select Vueling Airlines flight, departing Sun, 6 Dec from London to Lisbon, returning Sat, 12 Dec, priced at HK$1,195 found 1 day ago
Air Europa
Sat, 6 Jun - Thu, 18 Jun
LGW
London
LIS
Lisbon
HK$1,766 Return, found 3 days ago
HK$1,766
Return
found 3 days ago
Select Air Europa flight, departing Sat, 6 Jun from London to Lisbon, returning Thu, 18 Jun, priced at HK$1,766 found 3 days ago
TAP Portugal
Thu, 3 Sept - Tue, 8 Sept
LGW
London
LIS
Lisbon
HK$1,781 Return, found 2 days ago
HK$1,781
Return
found 2 days ago
Select TAP Portugal flight, departing Thu, 3 Sept from London to Lisbon, returning Tue, 8 Sept, priced at HK$1,781 found 2 days ago
Lufthansa
Wed, 17 Jun - Sat, 20 Jun
WAW
Warsaw
LIS
Lisbon
HK$1,824 Return, found 5 days ago
HK$1,824
Return
found 5 days ago
Select Lufthansa flight, departing Wed, 17 Jun from Warsaw to Lisbon, returning Sat, 20 Jun, priced at HK$1,824 found 5 days 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$1,132. 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$517 in the last seven days. Return flights to Costa Alentejana ranged from HK$1,132 to HK$3,844 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$1,132 and HK$3,844. 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$1,131

Trending flights to Costa Alentejana

Prices were available within the past 7 days and start at HK$517 for one-way flights and HK$1,132 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Wed, 4 Nov - Sun, 15 Nov
HKG
Hong Kong SAR
LIS
Lisbon
HK$3,844 Return, found 1 day ago
HK$3,844
Return
found 1 day ago
Select Finnair flight, departing Wed, 4 Nov from Hong Kong SAR to Lisbon, returning Sun, 15 Nov, priced at HK$3,844 found 1 day ago
*Available to Expedia members.