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

Lufthansa, United Airlines, and British Airways are the most popular carriers operating from Portland to Lisbon Humberto Delgado

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

London (LHR) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

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 41% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 11 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

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

Amsterdam (AMS) has the shortest average layover time for this route: 2h 47m.

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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $484.

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: 14h 31m.

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 11 as of August 2025.

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.

$329 Cheap Flights from Portland to Lisbon (PDX-LIS) in 2025

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Find the cheapest flights from Portland to Lisbon (PDX-LIS)

Round-trip

One-way

Last minute

Cheap round-trip flights

3:15 pm - 9:20 amPDX-LIS

34h 05m2 stops

5:00 am - 6:30 pmLIS-PDX

21h 30m2 stops

$580Air Canada

Find Deal

Mon, Nov 17 - Thu, Nov 27

7:00 pm - 8:55 amPDX-LIS

29h 55m2 stops

11:00 am - 2:46 pmLIS-PDX

35h 46m2 stops

$581Air Canada

Find Deal

Mon, Dec 1 - Wed, Dec 24

3:15 pm - 9:20 amPDX-LIS

34h 05m2 stops

5:00 am - 9:15 amLIS-PDX

36h 15m2 stops

$583Air Canada

Find Deal

Wed, Nov 12 - Thu, Nov 27

8:20 am - 10:15 amPDX-LIS

17h 55m1 stop

5:00 am - 12:45 amLIS-PDX

27h 45m2 stops

$595United Airlines

Find Deal

Sun, Nov 16 - Tue, Nov 25

11:55 pm - 8:55 amPDX-LIS

25h 00m2 stops

5:00 am - 8:05 pmLIS-PDX

23h 05m2 stops

$598United Airlines

Find Deal

Mon, Dec 29 - Mon, Jan 19

7:00 am - 9:00 amPDX-LIS

18h 00m1 stop

10:00 am - 11:34 pmLIS-PDX

21h 34m1 stop

$610Delta

Find Deal

Wed, Dec 3 - Wed, Dec 24

5:55 am - 8:05 pmPDX-LIS

30h 10m2 stops

8:45 pm - 10:28 amLIS-PDX

21h 43m2 stops

$613Iberia

Find Deal

Tue, Dec 30 - Mon, Jan 19

5:20 am - 8:00 amPDX-LIS

18h 40m2 stops

10:00 am - 11:33 pmLIS-PDX

21h 33m1 stop

$614Delta

Find Deal

Wed, Dec 31 - Thu, Jan 22

10:05 am - 10:50 pmPDX-LIS

28h 45m2 stops

5:00 am - 12:45 amLIS-PDX

27h 45m2 stops

$624Lufthansa

Find Deal

Fri, Nov 14 - Tue, Nov 25

3:54 pm - 11:30 pmPDX-LIS

24h 36m2 stops

6:10 am - 10:33 pmLIS-PDX

24h 23m2 stops

$631Lufthansa

Find Deal

Sat, Nov 1 - Thu, Nov 13

Delta flights from Portland to Lisbon

Our best Delta deals on Portland to Lisbon flight tickets

Delta

Dec 3

PDX7:00 amPortland

18h 00m

1 stop

LIS9:00 amLisbon Humberto Delgado

Dec 24

LIS10:00 amLisbon Humberto Delgado

21h 34m

1 stop

PDX11:34 pmPortland

$610

Find similar

Delta

Dec 31

PDX5:20 amPortland

18h 40m

2 stops

LIS8:00 amLisbon Humberto Delgado

Jan 22

LIS10:00 amLisbon Humberto Delgado

21h 33m

1 stop

PDX11:33 pmPortland

$614

Find similar

Delta

Nov 16

PDX7:00 amPortland

18h 00m

1 stop

LIS9:00 amLisbon Humberto Delgado

Nov 28

LIS5:30 amLisbon Humberto Delgado

20h 07m

2 stops

PDX5:37 pmPortland

$621

Find similar

Iberia flights from Portland to Lisbon

Our best Iberia deals on Portland to Lisbon flight tickets

Iberia

Dec 30

PDX5:55 amPortland

30h 10m

2 stops

LIS8:05 pmLisbon Humberto Delgado

Jan 19

LIS8:45 pmLisbon Humberto Delgado

21h 43m

2 stops

PDX10:28 amPortland

$613

Find similar

Iberia

Aug 9

PDX10:30 amPortland

26h 05m

2 stops

LIS8:35 pmLisbon Humberto Delgado

Aug 19

LIS10:10 pmLisbon Humberto Delgado

31h 05m

2 stops

PDX9:15 pmPortland

$1,478

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 11/17

3:15 pm-9:20 am

2 stops34h 05m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-6:30 pm

2 stops21h 30m

$580

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 12/1

7:00 pm-8:55 am

2 stops29h 55m

Lisbon Humberto Delgado

Wed 12/24

11:00 am-2:46 pm

2 stops35h 46m

$581

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 11/12

3:15 pm-9:20 am

2 stops34h 05m

Lisbon Humberto Delgado

Thu 11/27

5:00 am-9:15 am

2 stops36h 15m

$583

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 11/16

8:20 am-10:15 am

1 stop17h 55m

Lisbon Humberto Delgado

Tue 11/25

5:00 am-12:45 am

2 stops27h 45m

$595

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 12/29

11:55 pm-8:55 am

2 stops25h 00m

Lisbon Humberto Delgado

Mon 1/19

5:00 am-8:05 pm

2 stops23h 05m

$598

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 12/3

7:00 am-9:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Wed 12/24

10:00 am-11:34 pm

1 stop21h 34m

$610

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 12/30

5:55 am-8:05 pm

2 stops30h 10m

Lisbon Humberto Delgado

Mon 1/19

8:45 pm-10:28 am

2 stops21h 43m

$613

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 12/31

5:20 am-8:00 am

2 stops18h 40m

Lisbon Humberto Delgado

Thu 1/22

10:00 am-11:33 pm

1 stop21h 33m

$614

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Fri 11/14

10:05 am-10:50 pm

2 stops28h 45m

Lisbon Humberto Delgado

Tue 11/25

5:00 am-12:45 am

2 stops27h 45m

$624

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 11/1

3:54 pm-11:30 pm

2 stops24h 36m

Lisbon Humberto Delgado

Thu 11/13

6:10 am-10:33 pm

2 stops24h 23m

$631

Flights are sorted by cheapest round-trip flights first.

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 typical price of a round-trip flight between Portland and Lisbon?

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 $607. 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 $656.

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $864. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Lisbon for around $1,041.

What is the cheapest time of day to depart on your flight to Lisbon?

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $622. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $981 on average. Flights to Lisbon from Portland in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $927 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 $759 on momondo.

Can stopping save me money on Portland to Lisbon flights?

You could potentially save up to 4% 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 August 2025, prices for Portland to Lisbon flights are approximately 23% 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

Best Price Found	$329
Fastest flight time	14h 30m
Direct flights	None
Airports in Lisbon	1 airport

The best one-way flight to Lisbon from Portland in the past 72 hours is $329. The best round-trip flight deal from Portland to Lisbon found on momondo in the last 72 hours is $580.

The fastest flight from Portland to Lisbon takes 14h 30m

There are no direct flights from Portland to Lisbon. Popular non-direct route for this connection is Portland Airport - Lisbon Humberto Delgado Airport.

There is 1 airport near Lisbon: Lisbon Humberto Delgado (LIS)

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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 17h 55m, 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 11 as of August 2025.
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 34% of all bookings. The subsequent popular airlines are Delta at 18%, United Airlines at 16%, and KLM at 15%.

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 $434	Free Cancellation	Rating 7.0 524 reviews	Search Icelandair flights
Lufthansa	PriceFrom $554	Free Cancellation	Rating 6.8 7,282 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $563	Free Cancellation	Rating 7.3 1,461 reviews	Search Scandinavian Airlines flights
American Airlines	PriceFrom $564	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $575	Free Cancellation	Rating 8.0 7,990 reviews	Search Delta flights
United Airlines	PriceFrom $580	Free Cancellation	Rating 7.4 8,910 reviews	Search United Airlines flights
KLM	PriceFrom $585	Free Cancellation	Rating 7.8 1,383 reviews	Search KLM flights
Air Canada	PriceFrom $591	Free Cancellation	Rating 7.1 9,876 reviews	Search Air Canada flights
Virgin Atlantic	PriceFrom $595	Free Cancellation	Rating 7.4 655 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $613	Free Cancellation	Rating 6.6 7,234 reviews	Search British Airways flights

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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.

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Cheap flights from Portland to Lisbon from $329

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 9/23. 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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Delta flights from Portland to Lisbon

Our best Delta deals on Portland to Lisbon flight tickets

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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

What is the typical price of a round-trip flight between Portland and Lisbon?

What is the cheapest month to fly to Lisbon?

What is the cheapest day to depart on your flight to Lisbon?

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $864. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Lisbon for around $1,041.

What is the cheapest time of day to depart on your flight 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 4% 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 August 2025, prices for Portland to Lisbon flights are approximately 23% cheaper when compared to flights at the same time last year.

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

Lufthansa, United Airlines, and British Airways are the most popular carriers 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: 64% 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 $484.

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: 14h 31m.

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

Amsterdam (AMS) has the shortest average layover time for this route: 2h 47m.

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

Best Price Found

Fastest flight time

Direct flights

Airports in Lisbon

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