What is the cheapest airline that flies from Portland to Lisbon Humberto Delgado?

Air Canada is the most popular carrier operating from Portland to Lisbon Humberto Delgado

What airlines fly to Lisbon?

British Airways, Delta and United Airlines are the top three most popular airlines that fly to Lisbon from Portland according to our data. British Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 8 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Portland and Lisbon?

London (LHR) was the most common stop: 65% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to Lisbon?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $459.

Which layover airport has the shortest connection time from Portland to Lisbon?

Amsterdam (AMS) has the shortest average layover time for this route: 1h 25m.

Which layover airport has the shortest travel time from Portland to Lisbon?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 13h 40m.

When did momondo last update prices for flights from Portland Airport to Lisbon Humberto Delgado Airport?

Prices for flights from Portland Airport to Lisbon Humberto Delgado Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Lisbon Humberto Delgado Airport?

The number of operators available for flights from Portland Airport to Lisbon Humberto Delgado Airport is 8 as of January 2026.

How old do you have to be to fly from Portland Airport to Lisbon Humberto Delgado Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Lisbon Humberto Delgado Airport.

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$303 Cheap Flights from Portland to Lisbon in 2026

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11:59 pm - 8:10 am

PDX

LIS

24h 11m

2 stops

11:20 am - 3:27 pm

LIS

PDX

36h 07m

2 stops

$439Lufthansa

Sun, Feb 15 - Tue, Feb 24

7:05 pm - 9:20 am

PDX

LIS

54h 15m

2 stops

11:20 am - 6:49 pm

LIS

PDX

39h 29m

2 stops

$441Air Canada

Fri, Feb 20 - Tue, Mar 3

11:59 pm - 8:20 am

PDX

LIS

24h 21m

2 stops

11:25 am - 6:34 pm

LIS

PDX

39h 09m

2 stops

$442United Airlines

Tue, Apr 7 - Tue, Apr 14

3:15 pm - 9:20 am

PDX

LIS

34h 05m

2 stops

6:10 pm - 10:29 pm

LIS

PDX

36h 19m

2 stops

$444Multiple Airlines

Mon, Apr 13 - Tue, Apr 28

7:30 pm - 5:55 pm

PDX

LIS

14h 25m

1 stop

7:10 am - 5:40 pm

LIS

PDX

18h 30m

1 stop

$445British Airways

Tue, Apr 7 - Tue, Apr 14

7:05 pm - 9:20 am

PDX

LIS

30h 15m

2 stops

5:55 am - 7:05 pm

LIS

PDX

21h 10m

2 stops

$447Multiple Airlines

Mon, Apr 20 - Tue, May 5

5:45 pm - 9:45 pm

PDX

LIS

20h 00m

1 stop

6:30 am - 9:52 pm

LIS

PDX

23h 22m

2 stops

$448Multiple Airlines

Sun, Feb 15 - Wed, Feb 25

5:45 pm - 9:45 pm

PDX

LIS

20h 00m

1 stop

4:45 pm - 11:07 am

LIS

PDX

26h 22m

2 stops

$449Multiple Airlines

Sun, Feb 15 - Mon, Feb 23

7:30 pm - 11:15 pm

PDX

LIS

19h 45m

1 stop

11:00 am - 5:40 pm

LIS

PDX

14h 40m

1 stop

$451British Airways

Wed, Apr 8 - Wed, Apr 22

7:05 pm - 11:00 am

PDX

LIS

31h 55m

2 stops

12:05 pm - 7:05 pm

LIS

PDX

39h 00m

2 stops

$452Multiple Airlines

Sun, Apr 19 - Wed, May 6

Lufthansa flights from Portland to Lisbon

Our best Lufthansa deals on Portland to Lisbon flight tickets

Lufthansa

Feb 15

PDX11:59 pmPortland

24h 11m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 24

LIS11:20 amLisbon Humberto Delgado

36h 07m

2 stops

PDX3:27 pmPortland

$439

Lufthansa

Apr 17

PDX3:15 pmPortland

34h 05m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 27

LIS5:05 amLisbon Humberto Delgado

23h 43m

2 stops

PDX8:48 pmPortland

$494

Air Canada flights from Portland to Lisbon

Our best Air Canada deals on Portland to Lisbon flight tickets

Air Canada

Feb 20

PDX7:05 pmPortland

54h 15m

2 stops

LIS9:20 amLisbon Humberto Delgado

Mar 3

LIS11:20 amLisbon Humberto Delgado

39h 29m

2 stops

PDX6:49 pmPortland

$441

Air Canada

Feb 17

PDX3:15 pmPortland

56h 40m

2 stops

LIS7:55 amLisbon Humberto Delgado

Feb 24

LIS11:20 amLisbon Humberto Delgado

36h 07m

2 stops

PDX3:27 pmPortland

$461

Air Canada

Apr 17

PDX7:05 pmPortland

30h 15m

2 stops

LIS9:20 amLisbon Humberto Delgado

May 8

LIS1:00 pmLisbon Humberto Delgado

31h 25m

2 stops

PDX12:25 pmPortland

$466

Fly from

Fly to

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 2/15

11:59 pm-8:10 am

2 stops24h 11m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-3:27 pm

2 stops36h 07m

$439

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Fri 2/20

7:05 pm-9:20 am

2 stops54h 15m

Lisbon Humberto Delgado

Tue 3/3

11:20 am-6:49 pm

2 stops39h 29m

$441

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 4/7

11:59 pm-8:20 am

2 stops24h 21m

Lisbon Humberto Delgado

Tue 4/14

11:25 am-6:34 pm

2 stops39h 09m

$442

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 4/13

3:15 pm-9:20 am

2 stops34h 05m

Lisbon Humberto Delgado

Tue 4/28

6:10 pm-10:29 pm

2 stops36h 19m

$444

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 4/7

7:30 pm-5:55 pm

1 stop14h 25m

Lisbon Humberto Delgado

Tue 4/14

7:10 am-5:40 pm

1 stop18h 30m

$445

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 4/20

7:05 pm-9:20 am

2 stops30h 15m

Lisbon Humberto Delgado

Tue 5/5

5:55 am-7:05 pm

2 stops21h 10m

$447

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 2/15

5:45 pm-9:45 pm

1 stop20h 00m

Lisbon Humberto Delgado

Wed 2/25

6:30 am-9:52 pm

2 stops23h 22m

$448

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 2/15

5:45 pm-9:45 pm

1 stop20h 00m

Lisbon Humberto Delgado

Mon 2/23

4:45 pm-11:07 am

2 stops26h 22m

$449

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 4/8

7:30 pm-11:15 pm

1 stop19h 45m

Lisbon Humberto Delgado

Wed 4/22

11:00 am-5:40 pm

1 stop14h 40m

$451

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 4/19

7:05 pm-11:00 am

2 stops31h 55m

Lisbon Humberto Delgado

Wed 5/6

12:05 pm-7:05 pm

2 stops39h 00m

$452

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Lisbon

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to Lisbon?

In general, November is the cheapest month to fly from Portland to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $558. If you are unable to visit Lisbon during the month of November, then departing from Portland during the month February is also very affordable. Most momondo users find prices during this month for around $671.

How far in advance should I book a flight to Lisbon?

You are more likely to see cheaper flights to Lisbon from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $863 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Portland for as low as $806 on momondo.

Can stopping save me money on Portland to Lisbon flights?

You could potentially save up to 37% on your flight if you consider stops on a Portland to Lisbon flight.

How have Portland to Lisbon flight prices changed over time?

As of January 2026, prices for Portland to Lisbon flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Portland to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Lisbon according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Lisbon (PDX to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Lisbon

Fastest flight time	14h 25m
Direct flights	None

The fastest flight from Portland to Lisbon takes 14h 25m

There are no direct flights from Portland to Lisbon. There are no popular flight routes from Portland to Lisbon.

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How far is Portland to Lisbon Humberto Delgado by plane?
The distance between Portland and Lisbon Humberto Delgado is about 5304.2 mi. Flights usually cover this in 14h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Lisbon Humberto Delgado Airport?
Prices for flights from Portland Airport to Lisbon Humberto Delgado Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Lisbon Humberto Delgado Airport?
The number of operators available for flights from Portland Airport to Lisbon Humberto Delgado Airport is 8 as of January 2026.
How old do you have to be to fly from Portland Airport to Lisbon Humberto Delgado Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Lisbon Humberto Delgado Airport.
What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?
The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Portland to Lisbon?
momondo data reveals that the most frequently booked airline on the route from Portland to Lisbon is British Airways, representing 38% of all bookings. The subsequent popular airlines are Delta at 18%, United Airlines at 15%, and KLM at 13%.

Best airlines flying from Portland to Lisbon

Compare and see reviews for airlines that fly from Portland to Lisbon with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $360	Free Cancellation	Rating 7.1 596 reviews	Search Icelandair flights
KLM	PriceFrom $515	Free Cancellation	Rating 7.7 1,437 reviews	Search KLM flights
American Airlines	PriceFrom $524	Free Cancellation	Rating 7.2 11,118 reviews	Search American Airlines flights
Delta	PriceFrom $552	Free Cancellation	Rating 7.9 8,039 reviews	Search Delta flights
United Airlines	PriceFrom $586	Free Cancellation	Rating 7.4 9,155 reviews	Search United Airlines flights
British Airways	PriceFrom $592	Free Cancellation	Rating 6.7 7,671 reviews	Search British Airways flights
Air Canada	PriceFrom $627	Free Cancellation	Rating 7.1 10,619 reviews	Search Air Canada flights
Lufthansa	PriceFrom $692	Free Cancellation	Rating 6.8 7,711 reviews	Search Lufthansa flights

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Evora

Tomar

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Zambujeira do Mar

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Almada

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Lisbon?

Finding the right flight to Lisbon from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Lisbon quick and easy, saving you time and money.

Can I find flights from Portland to Lisbon with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Lisbon from Portland with this policy.

How can momondo help me find flights from Portland to Lisbon?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Lisbon.

I’m not ready to book a flight from Portland to Lisbon right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Lisbon flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Lisbon trip

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Cheap flights from Portland to Lisbon from $303

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Lisbon departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Lufthansa flights from Portland to Lisbon

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See travel insights to Lisbon from

How to get the cheapest flight ticket from Portland to Lisbon

What is the cheapest month to fly to Lisbon?

How far in advance should I book a flight to Lisbon?

Can stopping save me money on Portland to Lisbon flights?

You could potentially save up to 37% on your flight if you consider stops on a Portland to Lisbon flight.

How have Portland to Lisbon flight prices changed over time?

As of January 2026, prices for Portland to Lisbon flights are approximately 10% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Portland to Lisbon Humberto Delgado?

Air Canada is the most popular carrier operating from Portland to Lisbon Humberto Delgado

What airlines fly to Lisbon?

Which airport is the most popular layover for flights between Portland and Lisbon?

London (LHR) was the most common stop: 65% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to Lisbon?

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $459.

Which layover airport has the shortest travel time from Portland to Lisbon?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 13h 40m.

Which layover airport has the shortest connection time from Portland to Lisbon?

Amsterdam (AMS) has the shortest average layover time for this route: 1h 25m.

When to book flights from Portland to Lisbon

Cheap Portland to Lisbon (PDX to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Lisbon

Fastest flight time

Direct flights

How far is Portland to Lisbon Humberto Delgado by plane?

When did momondo last update prices for flights from Portland Airport to Lisbon Humberto Delgado Airport?

How many operators does momondo search for flights from Portland Airport to Lisbon Humberto Delgado Airport?

How old do you have to be to fly from Portland Airport to Lisbon Humberto Delgado Airport?

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

What is the most popular airline from Portland to Lisbon?

Best airlines flying from Portland to Lisbon

Compare and see reviews for airlines that fly from Portland to Lisbon with momondo

Traveling to a place near Lisbon?

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Lisbon?

Can I find flights from Portland to Lisbon with flexible booking policies on momondo?

How can momondo help me find flights from Portland to Lisbon?

I’m not ready to book a flight from Portland to Lisbon right now. Can momondo alert me if prices change?

An easier way to manage your Lisbon trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal