A snow-covered mountain range with a clear blue sky.

Cheap Flights to Serra da Estrela from HK$449

View HK$449 flight on Tue, 29 Sept 2026Opens in a new window

Popular airlines

  • Lufthansa

  • TAP Portugal

  • Iberia

  • Swiss International Air Lines

  • British Airways

  • KLM

  • Air France

  • 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 Serra da Estrela

Prices were available within the past 7 days and start at HK$449 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, 19 Oct - Fri, 23 Oct
LGW
London
OPO
Porto
HK$857 Return, found 3 days ago
HK$857
Return
found 3 days ago
Select easyJet flight, departing Mon, 19 Oct from London to Porto, returning Fri, 23 Oct, priced at HK$857 found 3 days ago
Vueling Airlines
Fri, 18 Sept - Tue, 22 Sept
LGW
London
LIS
Lisbon
HK$1,216 Return, found 3 days ago
HK$1,216
Return
found 3 days ago
Select Vueling Airlines flight, departing Fri, 18 Sept from London to Lisbon, returning Tue, 22 Sept, priced at HK$1,216 found 3 days ago
TAP Portugal
Tue, 15 Sept - Fri, 18 Sept
LGW
London
OPO
Porto
HK$1,311 Return, found 1 hour ago
HK$1,311
Return
found 1 hour ago
Select TAP Portugal flight, departing Tue, 15 Sept from London to Porto, returning Fri, 18 Sept, priced at HK$1,311 found 1 hour ago
Lufthansa
Mon, 7 Sept - Thu, 10 Sept
LHR
London
OPO
Porto
HK$1,749 Return, found 6 days ago
HK$1,749
Return
found 6 days ago
Select Lufthansa flight, departing Mon, 7 Sept from London to Porto, returning Thu, 10 Sept, priced at HK$1,749 found 6 days ago
British Airways
Sat, 31 Oct - Mon, 9 Nov
LHR
London
LIS
Lisbon
HK$1,768 Return, found 1 day ago
HK$1,768
Return
found 1 day ago
Select British Airways flight, departing Sat, 31 Oct from London to Lisbon, returning Mon, 9 Nov, priced at HK$1,768 found 1 day ago

Frequently asked questions

How do I find cheap flights to Serra da Estrela that have flexible change policies?
It's quick and easy with Expedia. First, enter your preferred travel dates and click the "Search" button. Step 2? Check the "No change fee" box directly below the "Flexible change policies" subheading on the top left of your screen. Step 3. Snag a flexible and cheap flight to Serra da Estrela.
Which airlines fly to Serra da Estrela?
You can choose from a good range of airlines with flights into or near Serra da Estrela. Some of the most well-known are:

  • TAP Portugal - 277 flights to or near Serra da Estrela each month, including 251 flights to Humberto Delgado Airport (LIS) per month.
  • United Airlines - 91 flights to or near Serra da Estrela each month, including 60 flights to Humberto Delgado Airport (LIS) per month.
  • Delta Air Lines - 60 flights to or near Serra da Estrela each month, including 60 flights to Humberto Delgado Airport (LIS) per month.

How can I find cheap tickets to Serra da Estrela?
One of the best ways to get your hands on cheap tickets to Serra da Estrela is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. It'll bring up the cheapest prices for nearby days. The best price for a flight to Serra da Estrela in the last seven days was HK$857. Booking ahead will usually help you walk away with an even better deal.
How much is a flight to Serra da Estrela?
The cost of a round-trip flight to Serra da Estrela in the last seven days varied between HK$857 and HK$4,160. If you were heading one way from London (LGW), you could have gotten a deal from only HK$449.
What are the most popular airports to fly into in Serra da Estrela?
Pack your suitcase and glide into one of these popular Serra da Estrela airports:

  • Humberto Delgado Airport (LIS) - 403 flights per month.
  • Dr. Francisco de Sa Carneiro Airport (OPO) - 56 flights per month.

When is the cheapest time to fly to Serra da Estrela?
If you're not set on what day you jet off to Serra da Estrela, depart early on in the week. The cheapest day to take off is normally Tuesday, closely followed by Monday. Saturday is typically the most expensive day, with many vacationers preferring to fly on weekends.
How much is a plane ticket to Serra da Estrela?
Plane tickets varied from HK$857 to HK$4,160 in the last seven days. When you're ready to book, we're here to help you find a great deal to Serra da Estrela.
What months are the cheapest to book a flight to Serra da Estrela?
Score a ticket in February to enjoy amazing flight deals to Serra da Estrela. The month of December is often the most expensive time to purchase an airfare.

Travel information

Destination airport
Dr. Francisco de Sa Carneiro
Destination airport IATA code
OPO
Destination city name
Porto
Return price
HK$770

Trending flights to Serra da Estrela

Prices were available within the past 7 days and start at HK$449 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
Tue, 3 Nov - Fri, 13 Nov
HKG
Hong Kong SAR
LIS
Lisbon
HK$4,160 Return, found 1 hour ago
HK$4,160
Return
found 1 hour ago
Select Finnair flight, departing Tue, 3 Nov from Hong Kong SAR to Lisbon, returning Fri, 13 Nov, priced at HK$4,160 found 1 hour ago
*Available to Expedia members.