Cheap Flights to Portugal from $270

The cheapest month to fly to Portugal is November when demand is low. Off-peak months are often when you'll find cheap flights. To keep costs down, avoid flying during school breaks and public holidays.

You can fly to Portugal directly from 8 US destinations. To find a nonstop trip, check "Direct flights only" when searching for flights to Portugal on Expedia. Then, explore the options and pick the best departure from any of these cities:

• Boston
• Newark
• Washington
• New York
• Miami

Book in advance or look for a cheap flight to Portugal during the low season, such as December and January. Jetting off on a Thursday could also save you 16% on average compared to a Sunday departure.* The Expedia app makes it even easier to know when to book. Just activate 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.

Being flexible about your travel plans can help you to find last-minute offers on cheap flights to Portugal. To view all the available options, try exploring different ticket types, tweaking your Portugal trip dates, leaving from an alternative airport or using another airline.

To nab some of the biggest savings on domestic journeys, book your flight to Portugal 28 days ahead of your travel dates. For international flights, it's between two and four months in advance. This boosts your chances of securing your preferred departure dates, times and seats.*

*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.

You can usually get cheap flights to Portugal on Sundays. Travelers can save about 8% on average compared to booking on a Friday, which is often the most expensive day for tickets.*

*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.

You can choose from a good range of airlines that operate services to Portugal. Some of the most well-known are:

• TAP Portugal - 303 flights to Portugal each month, including 273 flights to Humberto Delgado Airport (LIS) per month.
• United Airlines - 91 flights to Portugal each month, including 60 flights to Humberto Delgado Airport (LIS) per month.
• Delta Air Lines - 60 flights to Portugal each month, including 60 flights to Humberto Delgado Airport (LIS) per month.

Book a Portugal flight and hotel package deal on Expedia, and you can benefit from significant savings. It's easy to bundle your flight and hotel, and you can also add activities and car rentals to create your own personalized Portugal trip. Plus, nothing beats the convenience of booking everything in one place.

It's usually possible to change or cancel your flight to Portugal. Many airlines let you cancel your ticket for free within 24 hours of making your booking. However, some flights are non-refundable, and airlines may issue you a credit toward a future flight in place of a direct refund. To get cheap flights to Portugal with flexible change policies, select the "No cancel fee" or "Changes included" filters during your search. Want more details? Go to our Customer Service Portal.