$293 Cheap Flights to Costa Alentejana

View $293 flight on Mon, Jun 8, 2026Opens in a new window

Popular airlines

  • TAP Portugal

  • Lufthansa

  • British Airways

  • Iberia

  • Swiss International Air Lines

  • KLM

  • Air France

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

How much is the cheapest flight to Costa Alentejana?

Prices were available within the past 7 days and start at $293 for one-way flights and $465 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Europa
Tue, Nov 3 - Tue, Nov 10
JFK
New York
LIS
Lisbon
$465 Roundtrip, just found
$465
Roundtrip
just found
Select Air Europa flight, departing Tue, Nov 3 from New York to Lisbon, returning Tue, Nov 10, priced at $465 just found
SATA International-Azores Airlines S.A.
Mon, Feb 15 - Sun, Feb 21
BOS
Boston
LIS
Lisbon
$478 Roundtrip, found 1 hour ago
$478
Roundtrip
found 1 hour ago
Select SATA International-Azores Airlines S.A. flight, departing Mon, Feb 15 from Boston to Lisbon, returning Sun, Feb 21, priced at $478 found 1 hour ago
Iberia
Thu, Jun 4 - Thu, Jun 11
BOS
Boston
LIS
Lisbon
$534 Roundtrip, found 1 hour ago
$534
Roundtrip
found 1 hour ago
Select Iberia flight, departing Thu, Jun 4 from Boston to Lisbon, returning Thu, Jun 11, priced at $534 found 1 hour ago
Scandinavian Airlines
Wed, Aug 19 - Wed, Sep 2
JFK
New York
LIS
Lisbon
$562 Roundtrip, found 23 hours ago
$562
Roundtrip
found 23 hours ago
Select Scandinavian Airlines flight, departing Wed, Aug 19 from New York to Lisbon, returning Wed, Sep 2, priced at $562 found 23 hours ago
TAP Portugal
Thu, Nov 12 - Thu, Nov 19
EWR
New York
LIS
Lisbon
$638 Roundtrip, found 5 days ago
$638
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Thu, Nov 12 from New York to Lisbon, returning Thu, Nov 19, priced at $638 found 5 days ago

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Humberto Delgado LIS. Cheapest option available. Flights from $776
LIS
Humberto Delgado
Cheapest
Flights from $776

Frequently asked questions

What month is the cheapest to fly to Costa Alentejana?
The cheapest month to fly to Costa Alentejana is November when demand is low. Off-peak months are often when you'll find cheap fares. To save money, steer clear of flying during major holidays and school breaks.
Which US cities fly direct to Costa Alentejana?
There are 8 US destinations that you can fly to Costa Alentejana directly from. Explore your options by using the "Direct flights only" box on Expedia and pick the best starting point for your trip. Here are a few of the major cities to take off from:

  • Boston
  • Newark
  • Washington
  • New York
  • Miami

How to find a cheap flight to Costa Alentejana?
Book in advance or search for a cheap flight to Costa Alentejana during off-peak months like November and December. Flying off on a Thursday can also save you an average of 16% compared to a Sunday flight.* The Expedia app makes it even easier to know when to book. Just turn on the toggle for "Watch prices" and you'll receive an alert as soon as fares go down.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Costa Alentejana?
You can find good deals on last-minute flights to Costa Alentejana, especially if your travel arrangements are flexible. Think about jetting out of a different airport, changing your trip dates or selecting another carrier to get a cheap flight to Costa Alentejana.
How far in advance should I book a flight to Costa Alentejana?
For some of the best deals on domestic journeys, book your flight to Costa Alentejana 28 days ahead of your travel dates. For international flights, search for your ticket between two and four months in advance. This improves your chances of locking in the departure dates and times you want.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Costa Alentejana?
Sundays are generally the best day to book a cheap flight to Costa Alentejana, with savings of around 8% on average compared to a Friday. If you choose to purchase on a Friday, be ready to pay a higher price as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Costa Alentejana?
With a good selection of airlines flying to Costa Alentejana, you're not short on choice:

  • TAP Portugal - 273 flights to Costa Alentejana each month, including 273 flights to Humberto Delgado Airport (LIS) per month.
  • United Airlines - 60 flights to Costa Alentejana each month, including 60 flights to Humberto Delgado Airport (LIS) per month.
  • Delta Air Lines - 60 flights to Costa Alentejana each month, including 60 flights to Humberto Delgado Airport (LIS) per month.

Where do you fly into Costa Alentejana?
When flying to Costa Alentejana, the main airport to land at is Humberto Delgado Airport (LIS). You can also jet into nearby hubs like Setubal (XSZ), Beja (BYJ) or Portimao (PRM). Another option to think about when you fly to Costa Alentejana is Cascais Airport (CAT).
Can I save money by booking a Costa Alentejana trip package?
Book a Costa Alentejana flight and hotel package deal on Expedia, and you can make significant savings. It's easy to bundle your flight and hotel, and you can also add tours and car rentals to create your own customized Costa Alentejana trip. Plus, there's nothing like the convenience of booking everything in one place.
Can I change or cancel my flight to Costa Alentejana?
If you bought your flight to Costa Alentejana in the last 24 hours, you can usually cancel or change it without fees. After that, extra charges may apply depending on the airline's rules and restrictions. For more information, head to our Customer Service Portal. Bear in mind that some flights are non-refundable, so you may be offered a credit for future flights rather than a direct refund. When browsing Expedia, use the "Changes included" or "No cancel fee" boxes to find fares with flexible change policies.

*Flight schedules are subject to change.

*Available to One Key members.

 

Travel information

Destination airport
Cascais
Destination airport IATA code
CAT
Destination city name
Cascais
Roundtrip price
$180

Trending flights to Costa Alentejana

Prices were available within the past 7 days and start at $293 for one-way flights and $465 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Europa
Tue, Nov 3 - Tue, Nov 10
JFK
New York
LIS
Lisbon
$465 Roundtrip, just found
$465
Roundtrip
just found
Select Air Europa flight, departing Tue, Nov 3 from New York to Lisbon, returning Tue, Nov 10, priced at $465 just found