What airlines fly to Lisbon?

British Airways, KLM and Delta 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 51% 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?

Amsterdam (AMS) was the most common stop: 45% of momondo users choosing 1-stop flights on this route connected there.

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

British Airways is the most popular carrier operating from Portland to Lisbon Humberto Delgado

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

London (LHR) has the shortest average layover time for this route: 1h 53m.

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

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $382.

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

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 13h 22m.

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 August 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.

$302 Cheap Flights from Portland to Lisbon in 2026

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Find the cheapest flights from Portland to Lisbon

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7:45 pm - 9:20 amPDX Portland-LIS Lisbon Humberto Delgado

29h 35m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:55 am - 10:23 pmLIS Lisbon Humberto Delgado-PDX Portland

48h 28m2 stops Zurich Chicago O'Hare Intl

$785Multiple Airlines

Mon, Oct 12 - Mon, Oct 19

10:15 pm - 8:00 amPDX Portland-LIS Lisbon Humberto Delgado

25h 45m1 stop New York John F Kennedy Intl

11:30 am - 12:20 pmLIS Lisbon Humberto Delgado-PDX Portland

31h 50m1 stop Amsterdam Schiphol

$788Delta

Sat, Oct 17 - Thu, Oct 29

7:00 pm - 9:20 pmPDX Portland-LIS Lisbon Humberto Delgado

18h 20m1 stop Reykjavik Keflavik Intl

6:10 am - 1:50 pmLIS Lisbon Humberto Delgado-PDX Portland

39h 40m2 stops Halifax Intl Calgary

$788Multiple Airlines

Wed, Aug 26 - Thu, Sep 10

7:05 am - 8:00 amPDX Portland-LIS Lisbon Humberto Delgado

16h 55m1 stop New York John F Kennedy Intl

11:30 am - 11:20 amLIS Lisbon Humberto Delgado-PDX Portland

31h 50m1 stop Amsterdam Schiphol

$789Delta

Sun, Dec 6 - Thu, Dec 10

10:33 pm - 8:20 amPDX Portland-LIS Lisbon Humberto Delgado

25h 47m1 stop Newark

5:05 am - 10:23 pmLIS Lisbon Humberto Delgado-PDX Portland

25h 18m2 stops Frankfurt am Main Chicago O'Hare Intl

$791United Airlines

Mon, Oct 12 - Tue, Oct 20

3:30 pm - 9:20 amPDX Portland-LIS Lisbon Humberto Delgado

33h 50m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 7:12 pmLIS Lisbon Humberto Delgado-PDX Portland

22h 12m2 stops Frankfurt am Main Chicago O'Hare Intl

$791Lufthansa

Thu, Oct 22 - Wed, Nov 4

8:00 am - 9:05 amPDX Portland-LIS Lisbon Humberto Delgado

17h 05m1 stop Philadelphia

10:40 am - 10:20 pmLIS Lisbon Humberto Delgado-PDX Portland

19h 40m1 stop Philadelphia

$792British Airways

Tue, Nov 10 - Sat, Nov 21

12:45 pm - 9:20 amPDX Portland-LIS Lisbon Humberto Delgado

36h 35m3 stops Denver Intl Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 1:22 pmLIS Lisbon Humberto Delgado-PDX Portland

39h 22m2 stops Frankfurt am Main Denver Intl

$794United Airlines

Sat, Oct 17 - Wed, Oct 28

5:45 pm - 9:45 pmPDX Portland-LIS Lisbon Humberto Delgado

20h 00m1 stop London Heathrow

7:05 am - 3:50 pmLIS Lisbon Humberto Delgado-PDX Portland

16h 45m1 stop London Heathrow

$797British Airways

Sun, Jan 31 - Wed, Feb 10

3:30 pm - 11:05 amPDX Portland-LIS Lisbon Humberto Delgado

35h 35m2 stops Vancouver Intl Toronto Pearson Intl

5:05 am - 10:23 pmLIS Lisbon Humberto Delgado-PDX Portland

25h 18m2 stops Frankfurt am Main Chicago O'Hare Intl

$807Lufthansa

Sat, Oct 3 - Tue, Oct 20

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KLM flights from Portland to Lisbon

Our best KLM deals on Portland to Lisbon flight tickets

KLM

Oct 22

PDX7:00 amPortland

17h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Nov 4

LIS5:00 amLisbon Humberto Delgado

14h 20m

1 stop

PDX11:20 amPortland

$796

KLM

Jan 29

PDX7:00 amPortland

17h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

Feb 3

LIS11:15 amLisbon Humberto Delgado

18h 12m

1 stop

PDX9:27 pmPortland

$816

KLM

Aug 29

PDX1:05 pmPortland

17h 30m

1 stop

LIS2:35 pmLisbon Humberto Delgado

Sep 9

LIS5:00 amLisbon Humberto Delgado

14h 10m

1 stop

PDX11:10 amPortland

$1,218

Air Canada flights from Portland to Lisbon

Our best Air Canada deals on Portland to Lisbon flight tickets

Air Canada

Dec 4

PDX7:00 amPortland

18h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Dec 11

LIS11:20 amLisbon Humberto Delgado

39h 47m

2 stops

PDX7:07 pmPortland

$795

Air Canada

Oct 31

PDX3:15 pmPortland

35h 05m

2 stops

LIS9:20 amLisbon Humberto Delgado

Nov 8

LIS5:00 amLisbon Humberto Delgado

23h 46m

2 stops

PDX8:46 pmPortland

$797

Air Canada

Nov 5

PDX7:00 amPortland

18h 20m

2 stops

LIS9:20 amLisbon Humberto Delgado

Nov 17

LIS11:20 amLisbon Humberto Delgado

19h 52m

2 stops

PDX11:12 pmPortland

$828

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 10/12

7:45 pm-9:20 am

2 stops29h 35m

Lisbon Humberto Delgado

Mon 10/19

5:55 am-10:23 pm

2 stops48h 28m

$785

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sat 10/17

10:15 pm-8:00 am

1 stop25h 45m

Lisbon Humberto Delgado

Thu 10/29

11:30 am-12:20 pm

1 stop31h 50m

$788

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 8/26

7:00 pm-9:20 pm

1 stop18h 20m

Lisbon Humberto Delgado

Thu 9/10

6:10 am-1:50 pm

2 stops39h 40m

$788

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 12/6

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Thu 12/10

11:30 am-11:20 am

1 stop31h 50m

$789

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 10/12

10:33 pm-8:20 am

1 stop25h 47m

Lisbon Humberto Delgado

Tue 10/20

5:05 am-10:23 pm

2 stops25h 18m

$791

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Thu 10/22

3:30 pm-9:20 am

2 stops33h 50m

Lisbon Humberto Delgado

Wed 11/4

5:00 am-7:12 pm

2 stops22h 12m

$791

Quickest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Tue 11/10

8:00 am-9:05 am

1 stop17h 05m

Lisbon Humberto Delgado

Sat 11/21

10:40 am-10:20 pm

1 stop19h 40m

$792

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sat 10/17

12:45 pm-9:20 am

3 stops36h 35m

Lisbon Humberto Delgado

Wed 10/28

5:00 am-1:22 pm

2 stops39h 22m

$794

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 1/31

5:45 pm-9:45 pm

1 stop20h 00m

Lisbon Humberto Delgado

Wed 2/10

7:05 am-3:50 pm

1 stop16h 45m

$797

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sat 10/3

3:30 pm-11:05 am

2 stops35h 35m

Lisbon Humberto Delgado

Tue 10/20

5:05 am-10:23 pm

2 stops25h 18m

$807

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $603 to $1,049.
The lowest price recently found on this route was $785.

What is the cheapest month to fly to Lisbon?

In general, February 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 $598. If you are unable to visit Lisbon during the month of February, then departing from Portland during the month April is also very affordable. Most momondo users find prices during this month for around $662.

How far in advance should I book a flight from Portland 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 $874 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 $745 on momondo.

Can stopping save me money on Portland to Lisbon flights?

You could potentially save up to 11% 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 2026, prices for Portland to Lisbon flights are approximately 3% more expensive 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	15h 10m
Direct flights	None

The fastest flight from Portland to Lisbon takes 15h 10m

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

Search flight deals

Frequently asked questions about flying from Portland to Lisbon

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 15h 10m, 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 August 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 46% of all bookings. The subsequent popular airlines are KLM at 19%, Delta at 16%, and United Airlines at 11%.

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
Virgin Atlantic	PriceFrom $318	Free Cancellation	Rating 7.5 694 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $360	Free Cancellation	Rating 6.9 731 reviews	Search Icelandair flights
KLM	PriceFrom $492	Free Cancellation	Rating 7.8 1,559 reviews	Search KLM flights
Delta	PriceFrom $492	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights
Lufthansa	PriceFrom $501	Free Cancellation	Rating 6.8 8,195 reviews	Search Lufthansa flights
British Airways	PriceFrom $509	Free Cancellation	Rating 6.7 8,165 reviews	Search British Airways flights
United Airlines	PriceFrom $549	Free Cancellation	Rating 7.4 10,110 reviews	Search United Airlines flights
Air Canada	PriceFrom $584	Free Cancellation	Rating 7.1 11,478 reviews	Search Air Canada flights

Sintra

Fátima

Figueira da Foz

Setúbal

Nazaré

Estoril

Evora

Ericeira

Peniche

Óbidos

Tomar

Batalha

Leiria

Oeiras

Sesimbra

Zambujeira do Mar

Torres Vedras

Comporta

Sines

Caldas da Rainha

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 $302

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 10/5. 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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KLM flights from Portland to Lisbon

Our best KLM deals on Portland to Lisbon flight tickets

Air Canada flights from Portland to Lisbon

Our best Air Canada deals on Portland to Lisbon flight tickets

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See travel insights to Lisbon from

How to get the cheapest flight ticket from Portland to Lisbon

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

What is the cheapest month to fly to Lisbon?

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

Can stopping save me money on Portland to Lisbon flights?

How have Portland to Lisbon flight prices changed over time?

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

What airlines fly to Lisbon?

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

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

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

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

When to book flights from Portland to Lisbon

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

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Fly your favorite airline to Lisbon

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Cabin classes currently available on flights to Lisbon

List of cabin classes available on flights landing in Lisbon. Availability may vary depending on flight origin and airline.

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