What is the cheapest airport to fly out of Portugal?

Lisbon Humberto Delgado airport offers the cheapest routes to Boston, from $149; whereas Porto airport is typically cheaper if you're flying to New York, from $156. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

What is the cheapest month to fly from Portugal?

January is currently the cheapest month to fly from Portugal . At this moment in time August is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Where are the cheapest places to fly to from Portugal?

Check out the cheapest flights from Portugal to embark to: Fly from Lisbon to Paris from $149 round trip Fly from Porto to Miami from $399 round trip Fly from Lisbon to Boston from $409 round trip Fly from Lisbon to New York from $492 round trip Fly from Lisbon to Fort Lauderdale from $544 round trip

$26+ Cheap Flights from Portugal

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Thu 12/10

7:50 pm-10:05 pm

Nonstop1h 15m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$28

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Thu 11/19

7:50 pm-10:05 pm

Nonstop1h 15m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$30

Quickest round-trip

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Mon 11/9

8:10 pm-10:20 pm

Nonstop1h 10m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$31

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Sat 1/16

4:05 pm-6:15 pm

Nonstop1h 10m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$31

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Fri 1/1

6:15 am-8:30 am

Nonstop1h 15m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$31

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Sat 11/21

8:10 pm-10:20 pm

Nonstop1h 10m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$31

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Sun 1/31

7:35 am-9:45 am

Nonstop1h 10m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$31

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Sun 11/29

7:35 am-9:45 am

Nonstop1h 10m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$31

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Wed 1/6

6:25 am-8:40 am

Nonstop1h 15m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$32

PortoMadrid

OPO Porto - MAD Madrid Barajas

OPOMAD

Porto

Mon 11/16

8:35 pm-10:50 pm

Nonstop1h 15m

Madrid Barajas

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$32

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Portugal

Have a flexible travel schedule? Discover the best time to fly from Portugal with our price prediction graph.

OPO-MAD

LIS-FNC

LIS-MAD

LIS-ORY

LIS-BCN

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portugal

Get recent, data-driven insights about flights from Portugal including ideal travel times, pricing trends, and more.

PT0-EWR

OPO-MAD

LIS-FNC

LIS-MAD

LIS-ORY

What is the cheapest month to book a flight from Portugal?

Currently, January is the cheapest month in which you can book a flight from Portugal (average of $566). Flying from Portugal in August will prove the most costly (average of $895). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Portugal?

For flights departing from Portugal check dates and pricing for the following: TAP AIR PORTUGAL, United Airlines, Lufthansa. These airlines depart to the following popular destinations: New York.

What is the cheapest place to fly to from Portugal?

The cheapest city to fly to from Portugal is Alicante, with prices starting at $18. Explore other affordable destinations below.

Alicante

From $18

Palma de Mallorca Son Sant Joan

When is the best time to book a flight from Portugal?

To ensure you get the cheapest price possible for a flight from Portugal, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Airline reviews for flights from Portugal

Read through reviews of airlines servicing Portugal, such as United Airlines,TAP AIR PORTUGAL, andLufthansa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.3

Good

10,462 reviews

Reviews

1 / 20

6.0

Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

United Airlines

7.3

Good

10,462 reviews

United Airlines

7.3

Good

10,462 reviews

Reviews

1 / 20

6.0

Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

TAP AIR PORTUGAL

7.2

Good

2,394 reviews

United Airlines

7.3

Good

10,462 reviews

Reviews

1 / 20

6.0

Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

Lufthansa

6.8

Okay

8,299 reviews

United Airlines

7.3

Good

10,462 reviews

Reviews

1 / 20

6.0

Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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Popular international destinations from Portugal

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Flights from Lisbon to Philadelphia

Flights from Lisbon to Praia

Flights from Lisbon to Dublin

Flights from Lisbon to Munich

Flights from Lisbon to Vienna

Flights from Lisbon to Geneva

Flights from Lisbon to Copenhagen

Flights from Lisbon to Doha

Flights from Lisbon to Seville

Related info for your journey

What is the cheapest airport to fly out of Portugal?
Lisbon Humberto Delgado airport offers the cheapest routes to Boston, from $149; whereas Porto airport is typically cheaper if you're flying to New York, from $156. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.
What is the cheapest month to fly from Portugal?
January is currently the cheapest month to fly from Portugal. At this moment in time August is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.
Where are the cheapest places to fly to from Portugal?
Check out the cheapest flights from Portugal to embark to:
Fly from Lisbon to Paris from $149 round trip
Fly from Porto to Miami from $399 round trip
Fly from Lisbon to Boston from $409 round trip
Fly from Lisbon to New York from $492 round trip
Fly from Lisbon to Fort Lauderdale from $544 round trip

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This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find flights from Portugal within your budget

Best time to book a flight from Portugal

Have a flexible travel schedule? Discover the best time to fly from Portugal with our price prediction graph.

Travel insights for flights from Portugal

What is the cheapest month to book a flight from Portugal?

Which airlines fly from Portugal?

For flights departing from Portugal check dates and pricing for the following: TAP AIR PORTUGAL, United Airlines, Lufthansa. These airlines depart to the following popular destinations: New York.

What is the cheapest place to fly to from Portugal?

The cheapest city to fly to from Portugal is Alicante, with prices starting at $18. Explore other affordable destinations below.

When is the best time to book a flight from Portugal?

To ensure you get the cheapest price possible for a flight from Portugal, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Airline reviews for flights from Portugal

Read through reviews of airlines servicing Portugal, such as United Airlines,TAP AIR PORTUGAL, andLufthansa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Popular international destinations from Portugal

The most popular international flight routes departing from Portugal we’ve come across at this time.

Popular Round-Trip Flight Destinations

Consider these popular destinations that Cheapflights users have chosen when departing from Portugal. Routes are based on user searches and were last updated on November 4, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Fly from Portugal cities

Consider departing from one of these cities also located in Portugal. Flight origins are based on user searches made on Cheapflights and were last updated on November 4, 2026.

Fly from Portugal regions

Choose from these departure points within Portugal.

Related info for your journey

What is the cheapest airport to fly out of Portugal?

What is the cheapest month to fly from Portugal?

Where are the cheapest places to fly to from Portugal?

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Book with Flexibility

Travel Smart

$26+ Cheap flights from Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find flights from Portugal within your budget

Best time to book a flight from Portugal

Have a flexible travel schedule? Discover the best time to fly from Portugal with our price prediction graph.

Travel insights for flights from Portugal

What is the cheapest month to book a flight from Portugal?

Which airlines fly from Portugal?

For flights departing from Portugal check dates and pricing for the following: TAP AIR PORTUGAL, United Airlines, Lufthansa. These airlines depart to the following popular destinations: New York.

What is the cheapest place to fly to from Portugal?

The cheapest city to fly to from Portugal is Alicante, with prices starting at $18. Explore other affordable destinations below.

When is the best time to book a flight from Portugal?

To ensure you get the cheapest price possible for a flight from Portugal, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Airline reviews for flights from Portugal

Read through reviews of airlines servicing Portugal, such as United Airlines,TAP AIR PORTUGAL, andLufthansa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Popular international destinations from Portugal

The most popular international flight routes departing from Portugal we’ve come across at this time.

Popular Round-Trip Flight Destinations

Consider these popular destinations that Cheapflights users have chosen when departing from Portugal. Routes are based on user searches and were last updated on November 4, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Fly from Portugal cities

Consider departing from one of these cities also located in Portugal. Flight origins are based on user searches made on Cheapflights and were last updated on November 4, 2026.

Fly from Portugal regions

Choose from these departure points within Portugal.

Related info for your journey

What is the cheapest airport to fly out of Portugal?

What is the cheapest month to fly from Portugal?

Where are the cheapest places to fly to from Portugal?

100% Free

Book with Flexibility

Travel Smart