Title: $179 Cheap Flights to Serra da Estrela - Expedia.com

![Landscape of Serra da Estrela - Portugal](https://images.trvl-media.com/place/6055612/d3c7257e-e931-4672-b47a-6b3db0fa7c1e.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/6055612/d3c7257e-e931-4672-b47a-6b3db0fa7c1e.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# $179 Cheap Flights to Serra da Estrela

[View $179 flight on Wed, Nov 4, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:BOS,to:OPO,departure:11/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:178.43&airProductToken=AQpmCjEIzJABEgM0MjUYwZMBIIwVKMSmnAMw96mcAzhUQABYAWoFRUxUMDByCFRMSTkwVUJRCjEIzJABEgQxNzgyGIwVIO5zKLOqnAMw4qucAzhUQABYAWoFRUxUMDByCFRMSTkwVUJREgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) 

- [Roundtrip](?flightType=roundtrip)
- [One-way](?flightType=oneway)
- [Multi-city](?flightType=multicity)

### Travelers

Adults

ChildrenAges 2 to 17

InfantsYounger than 2

EconomyPremium economyBusiness classFirst class

Leaving from

Going to

Departing

Returning

Add a place to stay

Add a car

Direct flights only

[Serra da Estrela Travel Guide](https://expedia.com/Serra-Da-Estrela.dx6055612)[Hotels in Serra da Estrela](https://expedia.com/Serra-Da-Estrela-Hotels.d6055612.Travel-Guide-Hotels)[Things to do in Serra da Estrela](https://expedia.com/Things-To-Do-In-Serra-Da-Estrela.d6055612.Travel-Guide-Activities)[Car Rentals in Serra da Estrela](https://expedia.com/Car-Rentals-In-Serra-Da-Estrela.d6055612.Car-Rental-Guide)[Serra da Estrela Vacation Packages](https://expedia.com/Serra-Da-Estrela.d6055612.Destination-Travel-Guides)

## Popular airlines

- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TP.svg)  
TAP Portugal
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg)  
British Airways
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg)  
Lufthansa
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg)  
Iberia
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg)  
KLM
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AF.svg)  
Air France
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg)  
Swiss International Air Lines

- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg)  
###  
Be in the know  
Get alerts if flight prices drop or rise\*
- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg)  
###  
Book smarter  
Save up to 30% on select hotels after you book a flight\*
- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg)  
###  
Earn twice  
Earn your airline miles on top of our OneKeyCash  
[Learn about One Key](https://www.expedia.com/welcome-one-key)

## How much is the cheapest flight to Serra da Estrela?

Prices were available within the past 7 days and start at $179 for one-way flights and $371 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Mon, Mar 23 - Tue, Apr 14

BOS

Boston

OPO

Porto

$371

Roundtrip

found 1 hour ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:OPO,departure:3/23/2026TANYT&leg2=from:OPO,to:BOS,departure:4/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:370.03&airProductToken=AQpuCjYI1YIBEgQyMDYwGMGTASDEjQEokbeIAzDut4gDOExAAFgBaghFQ09CQVNJQ3IITExYMDZUQlEKNAjVggESAzE0NBjEjQEg7nMoxbiIAzDau4gDOExAAVgBaghFQ09CQVNJQ3IITExYMDZUQlEKawo0CMywARIEMjA2MRjucyC5PCiMp4oDMKKoigM4TEAAWAFqCEVDT0xJR0hUcghMTFgwNlRCUQozCMywARICNTIYuTwgwZMBKOeqigMw266KAzhMQAFYAWoIRUNPTElHSFRyCExMWDA2VEJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif)

Wed, Feb 18 - Wed, Feb 25

BOS

Boston

OPO

Porto

$377

Roundtrip

found 1 day ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:OPO,departure:2/18/2026TANYT&leg2=from:OPO,to:BOS,departure:2/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:376.33&airProductToken=AQp9Cj0IwYIBEgQ4NTM1GMGTASCMGCj5woUDMJ3GhQM4T0AAWAFqBUJBU0lDcghPTFgwRDFCVnoJCMmEARIDMzQ4CjwIwYIBEgQ4ODQwGIwYIO5zKPzGhQMwzMeFAzhPQAFYAWoFQkFTSUNyCE9MWDBEMUJWegkIyYQBEgM1NDMKfgo9CMGCARIEODcyMRjucyCMGCipjYYDMPmNhgM4T0AAWAFqBUJBU0lDcghPTFgwRDFCVnoKCMmEARIEMTE1MAo9CMGCARIEODgwMRiMGCDBkwEohY-GAzCSk4YDOE9AAVgBagVCQVNJQ3IIT0xYMEQxQlZ6CQjJhAESAzM0NRIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs)

![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif)

Wed, Feb 18 - Wed, Feb 25

BOS

Boston

OPO

Porto

$377

Roundtrip

found 1 day ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:OPO,departure:2/18/2026TANYT&leg2=from:OPO,to:BOS,departure:2/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:376.33&airProductToken=AQplCjEIyYQBEgMzNDgYwZMBIIwYKPnChQMwncaFAzhPQABYAWoFQkFTSUNyCE9MWDBEMUJWCjAIyYQBEgM1NDMYjBgg7nMo_MaFAzDMx4UDOE9AAVgBagVCQVNJQ3IIT0xYMEQxQlYKZgoxCMmEARIEMTE1MBjucyCMGCipjYYDMPmNhgM4T0AAWAFqBUJBU0lDcghPTFgwRDFCVgoxCMmEARIDMzQ1GIwYIMGTASiFj4YDMJKThgM4T0ABWAFqBUJBU0lDcghPTFgwRDFCVhIKCAEQARgBKgJJQhgBIgQIARABKAIoAygEMA0)

![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif)

Mon, Mar 9 - Thu, Mar 19

BOS

Boston

OPO

Porto

$387

Roundtrip

found 6 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:OPO,departure:3/9/2026TANYT&leg2=from:OPO,to:BOS,departure:3/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:386.13&airProductToken=AQp3CjMIzLABEgI1MxjBkwEguTwonpuHAzDCnocDOExAAFgBaghFQ09MSUdIVHIITExYMDZUQlEKQAjMsAESBDIwNjQYuTwg7nMooKGHAzC7oocDOExAAVgBaghFQ09MSUdIVHIITExYMDZUQlF6CgiymAESBDIwNjQKawo0CMywARIEMjA2NxjucyC5PCjVhIgDMOaFiAM4TEAAWAFqCEVDT0xJR0hUcghMTFgwNlRCUQozCMywARICNTIYuTwgwZMBKN6GiAMw8IqIAzhMQAFYAWoIRUNPTElHSFRyCExMWDA2VEJREgoIARABGAEqAkxYGAEiBAgBEAEoAigDKAQwCw)

![TAP Portugal](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/TP.gif)

Wed, Dec 9 - Wed, Dec 16

BOS

Boston

OPO

Porto

$392

Roundtrip

found 8 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:OPO,departure:12/9/2026TANYT&leg2=from:OPO,to:BOS,departure:12/16/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:391.23&airProductToken=AQp4CjQI1KABEgMyMTgYwZMBIIuSASiEr58DMI-ynwM4VEAAWAFqB0RJU0NJTlRyCFRMMERTSTgwCkAI1KABEgQxOTM2GIuSASDucyisuZ8DMOi5nwM4VEAAWAFqB0RJU0NJTlRyCFRMMERTSTgwegoIzpIBEgQxOTM2CngKQAjUoAESBDE5MjEY7nMgi5IBKJf3nwMw2PefAzhUQABYAWoHRElTQ0lOVHIIVEwwRFNJODB6CgjOkgESBDE5MjEKNAjUoAESAzIxNxiLkgEgwZMBKLz4nwMwnPyfAzhUQABYAWoHRElTQ0lOVHIIVEwwRFNJODASCggBEAEYASoCVFAYASIECAEQASgCKAMoBDAN)

## Tips to find the cheapest flights to Serra da Estrela

**The cheapest day to fly**

Get started finding a cheap flight to Serra da Estrela on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

**The cheapest month to fly**

March is the cheapest month to fly to Serra da Estrela. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Serra da Estrela. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute. 

**The most affordable time to book a flight**

Typically, a Sunday can be the cheapest time to book a flight to Serra da Estrela, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation. 

**The cheapest round-trip tickets to Serra da Estrela**

The lowest price for round-trip flights to Serra da Estrela in 2026 starts from from $371, while one-way tickets start from from $179\. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Serra da Estrela. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

**The cheapest airlines flying to Serra da Estrela**

Lufthansa, Swiss International Air Lines, American Airlines, British Airways, Air Canada, United, Iberia, TAP Portugal are just some of the airlines that can typically offer cheap tickets to Serra da Estrela. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Serra da Estrela and countless more destinations worldwide.

**The most affordable airports to fly into**

To view the cheapest airports to fly into for Serra da Estrela, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Serra da Estrela. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia.

**Save with a package**

With Expedia's amazing [package deals](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Serra da Estrela plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving. 

**Date flexibility for the cheapest flights to Serra da Estrela**

If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Serra da Estrela. 

**Stopover savings**

The cheapest tickets to Serra da Estrela are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Serra da Estrela. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved.

**Get Expedia's Price Drop Protection**

Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference\*. This gives you peace of mind that you're getting one of the cheapest flights to Serra da Estrela for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members.

\*Terms apply.

**Use our Price Tracking feature**

Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Serra da Estrela. Simply download the free Expedia app to your smart device and activate Serra da Estrela flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices.

**Book with Expedia**

As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Serra da Estrela. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. 

## Frequently asked questions

### What month is the cheapest to fly to Serra da Estrela?

### Which US cities fly direct to Serra da Estrela?

> - Boston
> - Newark
> - Washington
> - New York
> - Miami

### How to find a cheap flight to Serra da Estrela?

### How to get a cheap last-minute flight to Serra da Estrela?

### How far in advance should I book a flight to Serra da Estrela?

### Which day of the week is the cheapest day to buy a plane ticket to Serra da Estrela?

### Which airlines fly to Serra da Estrela?

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

### Where do you fly into Serra da Estrela?

### How far is the airport from central Serra da Estrela?

### Can I save money by booking a Serra da Estrela trip package?

### Can I change or cancel my flight to Serra da Estrela?

\*Flight schedules are subject to change.

__Flights to Serra da Estrela information__
| Destination airport           | Dr. Francisco de Sa Carneiro |
| ----------------------------- | ---------------------------- |
| Destination airport IATA code | OPO                          |
| Destination city name         | Porto                        |
| Roundtrip price               | $370                         |

## Trending flights to Serra da Estrela

Prices were available within the past 7 days and start at $179 for one-way flights and $371 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Mon, Mar 23 - Tue, Apr 14

BOS

Boston

OPO

Porto

$371

Roundtrip

found 1 hour ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:OPO,departure:3/23/2026TANYT&leg2=from:OPO,to:BOS,departure:4/14/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:370.03&airProductToken=AQpuCjYI1YIBEgQyMDYwGMGTASDEjQEokbeIAzDut4gDOExAAFgBaghFQ09CQVNJQ3IITExYMDZUQlEKNAjVggESAzE0NBjEjQEg7nMoxbiIAzDau4gDOExAAVgBaghFQ09CQVNJQ3IITExYMDZUQlEKawo0CMywARIEMjA2MRjucyC5PCiMp4oDMKKoigM4TEAAWAFqCEVDT0xJR0hUcghMTFgwNlRCUQozCMywARICNTIYuTwgwZMBKOeqigMw266KAzhMQAFYAWoIRUNPTElHSFRyCExMWDA2VEJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

\*Available to One Key members.