What is the cheapest airport to fly out of Portugal?

Lisbon Humberto Delgado airport offers the cheapest routes to Boston, from $129; whereas Porto airport is typically cheaper if you're flying to New York, from $175. 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 July 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 $129 round trip Fly from Lisbon to New York from $423 round trip Fly from Lisbon to Boston from $482 round trip Fly from Lisbon to Washington, D.C. from $548 round trip Fly from Lisbon to Miami from $550 round trip

$40+ Cheap Flights from Portugal

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonMiami

LIS Lisbon Humberto Delgado - MIA Miami

LISMIA

Lisbon Humberto Delgado

Mon 2/22

8:45 pm-1:55 pm

1 stop22h 10m

Miami

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$395

LisbonMiami

LIS Lisbon Humberto Delgado - MIA Miami

LISMIA

Lisbon Humberto Delgado

Fri 3/5

8:45 pm-1:55 pm

1 stop22h 10m

Miami

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$395

PortoNew York

OPO Porto - JFK New York John F Kennedy Intl

OPOJFK

Porto

Fri 11/6

8:40 pm-1:05 pm

1 stop21h 25m

New York John F Kennedy Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$404

LisbonMiami

LIS Lisbon Humberto Delgado - MIA Miami

LISMIA

Lisbon Humberto Delgado

Sat 11/14

6:30 am-12:45 am

2 stops23h 15m

Miami

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$405

LisbonMiami

LIS Lisbon Humberto Delgado - MIA Miami

LISMIA

Lisbon Humberto Delgado

Sat 10/24

4:25 pm-8:30 pm

1 stop33h 05m

Miami

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$427

PortoNew York

OPO Porto - JFK New York John F Kennedy Intl

OPOJFK

Porto

Mon 1/11

8:40 pm-7:46 pm

2 stops28h 06m

New York John F Kennedy Intl

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$438

PortoNew York

OPO Porto - LGA New York LaGuardia

OPOLGA

Porto

Thu 10/22

8:20 am-9:06 pm

2 stops17h 46m

New York LaGuardia

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$459

PortoNew York

OPO Porto - LGA New York LaGuardia

OPOLGA

Porto

Sat 11/7

8:20 am-8:20 am

2 stops29h 00m

New York LaGuardia

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$463

LisbonMiami

LIS Lisbon Humberto Delgado - MIA Miami

LISMIA

Lisbon Humberto Delgado

Fri 9/18

10:20 am-2:35 pm

Nonstop9h 15m

Miami

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$498

LisbonMiami

LIS Lisbon Humberto Delgado - MIA Miami

LISMIA

Lisbon Humberto Delgado

Wed 1/6

3:10 pm-6:55 pm

1 stop32h 45m

Miami

Wed 12/31

12:00 am-6:00 am

Nonstop0h 00m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

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.

LIS-MIA

OPO-JFK

OPO-EWR

OPO-LGA

LIS-GRU

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

LIS-MIA

OPO-JFK

OPO-EWR

OPO-LGA

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 $567). Flying from Portugal in July will prove the most costly (average of $894). 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, Brussels Airlines, Air France. 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 Madrid Barajas, with prices starting at $17. 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 74 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 Air France,United Airlines, andBrussels Airlines. 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.

Air France

7.5

Good

1,645 reviews

Reviews

1 / 20

8.0

Excellent

Carmen,Jul 2026

ATH - JFK

Nothing that can really be fixed, but the only issue is always the space. It is so uncomfortable no matter what you do. Being in the very middle, not being able to easily get up, not being able to recline much, just not comfortable.

Air France

7.5

Good

1,645 reviews

Air France

7.5

Good

1,645 reviews

Reviews

1 / 20

8.0

Excellent

Carmen,Jul 2026

ATH - JFK

United Airlines

7.4

Good

10,174 reviews

Air France

7.5

Good

1,645 reviews

Reviews

1 / 20

8.0

Excellent

Carmen,Jul 2026

ATH - JFK

Brussels Airlines

7.3

Good

430 reviews

Air France

7.5

Good

1,645 reviews

Reviews

1 / 20

8.0

Excellent

Carmen,Jul 2026

ATH - JFK

TAP AIR PORTUGAL

7.2

Good

2,385 reviews

Air France

7.5

Good

1,645 reviews

Reviews

1 / 20

8.0

Excellent

Carmen,Jul 2026

ATH - JFK

Lufthansa

6.8

Okay

8,223 reviews

Air France

7.5

Good

1,645 reviews

Reviews

1 / 20

8.0

Excellent

Carmen,Jul 2026

ATH - JFK

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Popular international destinations from Portugal

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Flights from Porto to Amsterdam

Flights from Lisbon to Seville

Flights from Lisbon to Copenhagen

Flights from Lisbon to Marrakech

Flights from Lisbon to Geneva

Flights from Lisbon to Helsinki

Flights from Lisbon to Munich

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 $129; whereas Porto airport is typically cheaper if you're flying to New York, from $175. 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 July 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 $129 round trip
Fly from Lisbon to New York from $423 round trip
Fly from Lisbon to Boston from $482 round trip
Fly from Lisbon to Washington, D.C. from $548 round trip
Fly from Lisbon to Miami from $550 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 10/8. 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, Brussels Airlines, Air France. 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 Madrid Barajas, with prices starting at $17. 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 74 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 Air France,United Airlines, andBrussels Airlines. 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 September 6, 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 September 6, 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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$40+ 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 10/8. 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, Brussels Airlines, Air France. 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 Madrid Barajas, with prices starting at $17. 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 74 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 Air France,United Airlines, andBrussels Airlines. 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 September 6, 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 September 6, 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