Title: $20 Cheap Flights to Tras-os-Montes - Expedia.com

![View of the town of Mogadouro, Tras-os-montes, Portugal](https://images.trvl-media.com/place/6055555/57ea0c73-4a9d-4353-9ddb-547e188a8a17.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

![](https://images.trvl-media.com/place/6055555/57ea0c73-4a9d-4353-9ddb-547e188a8a17.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# $20 Cheap Flights to Tras-os-Montes

[View $20 flight on Wed, May 20, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:MAD,to:OPO,departure:5/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:19.56&airProductToken=AQowCi4IxqQBEgM1NzIYjBgg7nMoybqNAzCZu40DOKBAQABYAWoFQmFzaWNyBUJBU0lDEgoIARABGAEqAkZSGAEiBAgBEAEoAigDKAQwDQ) 

[Tras-os-Montes Travel Guide](https://expedia.com/Tras-Os-Montes.dx6055555)[Hotels in Tras-os-Montes](https://expedia.com/Tras-Os-Montes-Hotels.d6055555.Travel-Guide-Hotels)[Car Rentals in Tras-os-Montes](https://expedia.com/Car-Rentals-In-Tras-Os-Montes.d6055555.Car-Rental-Guide)[Tras-os-Montes Vacation Packages](https://expedia.com/Tras-Os-Montes.d6055555.Destination-Travel-Guides)

## Popular airlines

- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg)  
American Airlines
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg)  
United
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg)  
Southwest Airlines
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg)  
Delta
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg)  
Frontier Airlines
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg)  
JetBlue Airways
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg)  
Alaska Airlines

- ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg)  
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## How much is the cheapest flight to Tras-os-Montes?

Prices were available within the past 7 days and start at $20 for one-way flights and $42 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

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

Wed, Apr 15 - Wed, Apr 22

MAD

Madrid

OPO

Porto

$42

Roundtrip

found 6 days ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MAD,to:OPO,departure:4/15/2026TANYT&leg2=from:OPO,to:MAD,departure:4/22/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:41.51&airProductToken=AQowCi4IxqQBEgM1NzIYjBgg7nMo6bCKAzC5sYoDOKBAQABYAWoFQmFzaWNyBUJBU0lDCjEKLwjGpAESBDU0ODMY7nMgjBgo9IOLAzC_hIsDOKBAQABYAWoFQmFzaWNyBUJBU0lDEgoIARABGAEqAkZSGAEiBAgBEAEoAigDKAQwDQ)

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

Wed, Nov 4 - Sat, Nov 7

MAD

Madrid

OPO

Porto

$64

Roundtrip

just found

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MAD,to:OPO,departure:11/4/2026TANYT&leg2=from:OPO,to:MAD,departure:11/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:63.80&airProductToken=AQoyCjAIyYQBEgM1NDMYjBgg7nMovJ2cAzCMnpwDOEFAAFgBagVCQVNJQ3IIQUROTkFOQjUKMgowCMmEARIDNTUwGO5zIIwYKPjFnAMwyMacAzhBQABYAWoFQkFTSUNyCEFETk5BTkI1EgoIARABGAEqAklCGAEiBAgBEAEoAigDKAQwDQ)

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

Wed, Nov 4 - Sat, Nov 7

MAD

Madrid

OPO

Porto

$70

Roundtrip

just found

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MAD,to:OPO,departure:11/4/2026TANYT&leg2=from:OPO,to:MAD,departure:11/7/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:69.40&airProductToken=AQowCi4I1bABEgQxMTQ3GIwYIO5zKI-dnAMw2p2cAzhaQABYAWoETElURXIGWllZUjRMCjAKLgjVsAESBDExNDIY7nMgjBgo2sWcAzCgxpwDOFpAAFgBagRMSVRFcgZaWVlSNEwSCggBEAEYASoCVVgYASIECAEQASgCKAMoBDAB)

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

Thu, Sep 17 - Sun, Sep 20

MAD

Madrid

OPO

Porto

$131

Roundtrip

just found

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MAD,to:OPO,departure:9/17/2026TANYT&leg2=from:OPO,to:MAD,departure:9/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:130.40&airProductToken=AQpuCjUI1KABEgQxMDE3GIwYIIuSASiAhpgDMNWGmAM4VEAAWAFqCERJU0NPVU5UcghURjBEU0MwMQo1CNSgARIEMTkzOBiLkgEg7nMolYmYAzDMiZgDOFRAAVgBaghESVNDT1VOVHIIVEYwRFNDMDEKbgo1CNSgARIEMTkyNRjucyCLkgEo-KSYAzC0pZgDOFRAAFgBaghESVNDT1VOVHIIVEYwRFNDMDEKNQjUoAESBDEwMjIYi5IBIIwYKIyqmAMw3KqYAzhUQAFYAWoIRElTQ09VTlRyCFRGMERTQzAxEgoIARABGAEqAlRQGAEiBAgBEAEoAigDKAQwAQ)

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

Thu, Oct 22 - Tue, Nov 3

MAD

Madrid

OPO

Porto

$141

Roundtrip

found 1 day ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:MAD,to:OPO,departure:10/22/2026TANYT&leg2=from:OPO,to:MAD,departure:11/3/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:140.50&airProductToken=AQpmCjEIzLABEgQyMDMzGIwYILk8KLqQmwMwxpGbAzhLQABYAWoFTElHSFRyCEtFVExHVFU0CjEIzLABEgQyMDY0GLk8IO5zKLWamwMw2pubAzhLQAFYAWoFTElHSFRyCEtFVExHVFU0CnIKMQjMsAESBDIwNjUY7nMguTwoqJicAzC-mZwDOEtAAFgBagVMSUdIVHIIS0VUTEdUVTQKPQjMsAESBDIwMjYYuTwgjBgoo52cAzC0npwDOEtAAVgBagVMSUdIVHIIS0VUTEdUVTR6CgiymAESBDIwMjYSCggCEAEYAioCTFgYASIECAEQASgCKAMoBDAL)

## Frequently asked questions

### What month is the cheapest to fly to Tras-os-Montes?

### Which US cities fly direct to Tras-os-Montes?

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

### How to find a cheap flight to Tras-os-Montes?

### How to get a cheap last-minute flight to Tras-os-Montes?

### How far in advance should I book a flight to Tras-os-Montes?

### Which day of the week is the cheapest day to buy a plane ticket to Tras-os-Montes?

### Which airlines fly to Tras-os-Montes?

> - TAP Portugal - 30 flights to Tras-os-Montes each month, including 30 flights to Dr. Francisco de Sa Carneiro Airport (OPO) per month.
> - United Airlines - 30 flights to Tras-os-Montes each month, including 30 flights to Dr. Francisco de Sa Carneiro Airport (OPO) per month.

### Can I save money by booking a Tras-os-Montes trip package?

### Can I change or cancel my flight to Tras-os-Montes?

\*Flight schedules are subject to change.

\*Available to One Key members.

## Travel information

| Destination airport           | Dr. Francisco de Sa Carneiro |
| ----------------------------- | ---------------------------- |
| Destination airport IATA code | OPO                          |
| Destination city name         | Porto                        |
| Roundtrip price               | $42                          |

## Trending flights to Tras-os-Montes

Prices were available within the past 7 days and start at $20 for one-way flights and $42 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

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

Tue, Feb 2 - Tue, Feb 9

BOS

Boston

OPO

Porto

$445

Roundtrip

found 11 hours ago

[](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:BOS,to:OPO,departure:2/2/2027TANYT&leg2=from:OPO,to:BOS,departure:2/9/2027TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:444.13&airProductToken=AQo1CjMI1KABEgMyMjgYwZMBIO5zKIGcpAMwlp-kAzhUQABYAWoHRElTQ0lOVHIIVEwwRFNJODAKNQozCNSgARIDMjI3GO5zIMGTASiY5qQDMOnppAM4VEAAWAFqB0RJU0NJTlRyCFRMMERTSTgwEgoIARABGAEqAlRQGAEiBAgBEAEoAigDKAQwDQ)