A historic cityscape with a prominent tower and a dome.

Cheap flights to Sierra Sur

View €25 flight on Tue, 10 Nov 2026Opens in a new window

Popular airlines to Sierra Sur

  • Iberia

  • TAP Portugal

  • Lufthansa

  • KLM

  • Air France

  • British Airways

  • Air Europa

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% 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 Sierra Sur

Prices were available within the past 7 days and start at €25 for one-way flights and €54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Ryanair
Ryanair
TAP Portugal
Aer Lingus
Swiss International Air Lines
Iberia
Air Europa
Vueling Airlines
Lufthansa

Trending flights to Sierra Sur

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.

Ryanair

Frequently asked questions

How do I find cheap flights to Sierra Sur that have flexible change policies?
When it comes to flying these days, flexibility is key. That's why we have a "No change fee" filter to help you locate flexible, low-priced flights to Sierra Sur. It's at the top left of your screen right underneath the "Flexible change policies" subheading.
How can I find cheap tickets to Sierra Sur?
One of the easiest ways to nab cheap tickets to Sierra Sur is to be flexible with your dates. Search for your flights, then click "flexible dates" at the top of your results. It will reveal the cheapest prices for nearby days. The lowest price for a flight to Sierra Sur in the last seven days was €54. Booking ahead will generally help you pick up an even better deal.
How much is a flight to Sierra Sur?
In the last seven days, round-trip flights to Sierra Sur sold for as low as €54 and peaked at €160. For one-way fares departing from Porto (OPO), the lowest price during this time was only €25.
How much is a plane ticket to Sierra Sur?
In the last seven days, seats to Sierra Sur ranged between €54 and €160. Prices depend on a number of things, particularly the time of departure, seating class, airline and when you make your booking.
What months are the cheapest to book a flight to Sierra Sur?
An inexpensive month to bag a terrific deal to Sierra Sur is February, while the priciest month is December. Avoid this time if you'd like to save money.

Book with confidence

About Sierra Sur

Expedia offers flights to Sierra Sur to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Sierra Sur or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
About Sierra Sur
*Available to Expedia members.