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 50% 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 layover airport has the shortest connection time from Portland to Lisbon?

London (LHR) has the shortest average layover time for this route: 2h 08m.

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

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

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

British Airways, Air Canada, and Delta 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?

Amsterdam (AMS) was the most common stop: 49% of momondo users choosing 1-stop flights on this route connected there.

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 November 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.

$310 Cheap Flights from Portland to Lisbon in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Lisbon

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:45 pm - 12:45 pmPDX Portland-LIS Lisbon Humberto Delgado

14h 00m1 stop Reykjavik Keflavik Intl

1:55 pm - 5:00 pmLIS Lisbon Humberto Delgado-PDX Portland

35h 05m1 stop Reykjavik Keflavik Intl

$582Icelandair

Mon, Nov 30 - Tue, Dec 15

2:45 pm - 12:45 pmPDX Portland-LIS Lisbon Humberto Delgado

14h 00m1 stop Reykjavik Keflavik Intl

2:00 pm - 5:00 pmLIS Lisbon Humberto Delgado-PDX Portland

35h 00m1 stop Reykjavik Keflavik Intl

$582Icelandair

Mon, Dec 7 - Thu, Dec 17

2:45 pm - 10:30 amPDX Portland-LIS Lisbon Humberto Delgado

35h 45m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Amsterdam Schiphol

6:25 pm - 5:00 pmLIS Lisbon Humberto Delgado-PDX Portland

30h 35m3 stops Kastrup Copenhagen Stockholm Arlanda Reykjavik Keflavik Intl

$703Multiple Airlines

Mon, Nov 30 - Tue, Dec 15

2:45 pm - 8:30 amPDX Portland-LIS Lisbon Humberto Delgado

33h 45m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Barcelona-El Prat

2:55 pm - 5:00 pmLIS Lisbon Humberto Delgado-PDX Portland

34h 05m3 stops Warsaw Frederic Chopin Stockholm Arlanda Reykjavik Keflavik Intl

$704Multiple Airlines

Wed, Feb 17 - Wed, Feb 24

7:10 pm - 9:20 amPDX Portland-LIS Lisbon Humberto Delgado

30h 10m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

7:25 am - 8:45 pmLIS Lisbon Humberto Delgado-PDX Portland

21h 20m2 stops Frankfurt am Main Vancouver Intl

$758Air Canada

Tue, Apr 13 - Wed, Apr 21

7:10 pm - 10:40 amPDX Portland-LIS Lisbon Humberto Delgado

31h 30m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 8:46 pmLIS Lisbon Humberto Delgado-PDX Portland

23h 46m2 stops Frankfurt am Main Vancouver Intl

$758Air Canada

Sun, Feb 14 - Thu, Feb 18

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

17h 00m1 stop New York John F Kennedy Intl

5:00 am - 11:20 amLIS Lisbon Humberto Delgado-PDX Portland

14h 20m1 stop Amsterdam Schiphol

$760KLM

Sun, Feb 21 - Fri, Mar 5

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

17h 00m1 stop New York John F Kennedy Intl

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

31h 50m1 stop Amsterdam Schiphol

$760Delta

Sun, Feb 7 - Thu, Feb 18

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

17h 00m1 stop New York John F Kennedy Intl

5:00 am - 11:20 amLIS Lisbon Humberto Delgado-PDX Portland

14h 20m1 stop Amsterdam Schiphol

$760Delta

Wed, Feb 3 - Fri, Feb 19

1:20 pm - 2:40 pmPDX Portland-LIS Lisbon Humberto Delgado

17h 20m1 stop Amsterdam Schiphol

5:00 am - 11:20 amLIS Lisbon Humberto Delgado-PDX Portland

14h 20m1 stop Amsterdam Schiphol

$763KLM

Sun, Feb 14 - Fri, Feb 26

Cheap last minute flights

Enter your travel dates to find the best prices.

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

17h 00m1 stop New York John F Kennedy Intl

5:00 am - 11:40 amLIS Lisbon Humberto Delgado-PDX Portland

14h 40m1 stop Amsterdam Schiphol

$838Multiple Airlines

Sun, Nov 8 - Wed, Nov 18

11:43 am - 5:30 pmPDX Portland-LIS Lisbon Humberto Delgado

21h 47m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

5:00 am - 11:40 amLIS Lisbon Humberto Delgado-PDX Portland

14h 40m1 stop Amsterdam Schiphol

$842Delta

Sun, Nov 8 - Wed, Nov 18

12:29 pm - 5:30 pmPDX Portland-LIS Lisbon Humberto Delgado

21h 01m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

5:00 am - 11:40 amLIS Lisbon Humberto Delgado-PDX Portland

14h 40m1 stop Amsterdam Schiphol

$842Delta

Sun, Nov 8 - Wed, Nov 18

11:30 pm - 10:20 amPDX Portland-LIS Lisbon Humberto Delgado

26h 50m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

11:20 am - 11:47 amLIS Lisbon Humberto Delgado-PDX Portland

32h 27m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$848United Airlines

Sun, Nov 8 - Wed, Nov 18

5:30 am - 10:05 amPDX Portland-LIS Lisbon Humberto Delgado

20h 35m2 stops San Francisco Washington, D.C. Dulles Intl

11:20 am - 3:23 pmLIS Lisbon Humberto Delgado-PDX Portland

36h 03m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$848United Airlines

Sun, Nov 8 - Wed, Nov 18

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

16h 00m1 stop London Heathrow

11:05 am - 9:59 pmLIS Lisbon Humberto Delgado-PDX Portland

18h 54m1 stop Philadelphia

$858British Airways

Sun, Nov 8 - Tue, Nov 17

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

16h 00m1 stop London Heathrow

11:05 am - 9:59 pmLIS Lisbon Humberto Delgado-PDX Portland

18h 54m1 stop Philadelphia

$858British Airways

Sun, Nov 8 - Wed, Nov 18

8:30 am - 10:05 amPDX Portland-LIS Lisbon Humberto Delgado

17h 35m1 stop Washington, D.C. Dulles Intl

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

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

$899Lufthansa

Sun, Nov 8 - Wed, Nov 18

8:30 am - 10:05 amPDX Portland-LIS Lisbon Humberto Delgado

17h 35m1 stop Washington, D.C. Dulles Intl

6:05 am - 6:09 pmLIS Lisbon Humberto Delgado-PDX Portland

20h 04m2 stops Munich Franz Josef Strauss Denver Intl

$901Lufthansa

Sun, Nov 8 - Tue, Nov 17

7:01 am - 10:15 amPDX Portland-LIS Lisbon Humberto Delgado

19h 14m1 stop Chicago O'Hare Intl

8:35 am - 9:55 pmLIS Lisbon Humberto Delgado-PDX Portland

21h 20m2 stops Toronto Pearson Intl Seattle/Tacoma Intl

$1,197Multiple Airlines

Sun, Nov 8 - Thu, Nov 19

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United Airlines flights from Portland to Lisbon

Our best United Airlines deals on Portland to Lisbon flight tickets

United Airlines

Feb 19

PDX11:20 pmPortland

47h 35m

2 stops

LIS6:55 amLisbon Humberto Delgado

Mar 3

LIS11:20 amLisbon Humberto Delgado

39h 00m

2 stops

PDX6:20 pmPortland

$775

United Airlines

Feb 14

PDX5:15 amPortland

18h 55m

2 stops

LIS8:10 amLisbon Humberto Delgado

Feb 18

LIS10:15 amLisbon Humberto Delgado

20h 01m

1 stop

PDX10:16 pmPortland

$786

United Airlines

Nov 8

PDX11:30 pmPortland

26h 50m

2 stops

LIS10:20 amLisbon Humberto Delgado

Nov 18

LIS11:20 amLisbon Humberto Delgado

32h 27m

2 stops

PDX11:47 amPortland

$848

British Airways flights from Portland to Lisbon

Our best British Airways deals on Portland to Lisbon flight tickets

British Airways

Mar 1

PDX5:45 pmPortland

17h 05m

1 stop

LIS6:50 pmLisbon Humberto Delgado

Mar 16

LIS7:45 pmLisbon Humberto Delgado

28h 05m

1 stop

PDX4:50 pmPortland

$782

British Airways

Mar 8

PDX2:35 pmPortland

20h 15m

2 stops

LIS6:50 pmLisbon Humberto Delgado

Mar 22

LIS6:35 pmLisbon Humberto Delgado

36h 24m

2 stops

PDX11:59 pmPortland

$796

British Airways

Jan 26

PDX1:09 pmPortland

20h 36m

2 stops

LIS5:45 pmLisbon Humberto Delgado

Feb 3

LIS7:05 amLisbon Humberto Delgado

16h 45m

1 stop

PDX3:50 pmPortland

$800

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 11/30

2:45 pm-12:45 pm

1 stop14h 00m

Lisbon Humberto Delgado

Tue 12/15

1:55 pm-5:00 pm

1 stop35h 05m

$582

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 12/7

2:45 pm-12:45 pm

1 stop14h 00m

Lisbon Humberto Delgado

Thu 12/17

2:00 pm-5:00 pm

1 stop35h 00m

$582

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 11/30

2:45 pm-10:30 am

3 stops35h 45m

Lisbon Humberto Delgado

Tue 12/15

6:25 pm-5:00 pm

3 stops30h 35m

$703

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 2/17

2:45 pm-8:30 am

3 stops33h 45m

Lisbon Humberto Delgado

Wed 2/24

2:55 pm-5:00 pm

3 stops34h 05m

$704

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Tue 4/13

7:10 pm-9:20 am

2 stops30h 10m

Lisbon Humberto Delgado

Wed 4/21

7:25 am-8:45 pm

2 stops21h 20m

$758

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 2/14

7:10 pm-10:40 am

2 stops31h 30m

Lisbon Humberto Delgado

Thu 2/18

5:00 am-8:46 pm

2 stops23h 46m

$758

Quickest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 2/21

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Fri 3/5

5:00 am-11:20 am

1 stop14h 20m

$760

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 2/7

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Thu 2/18

11:30 am-11:20 am

1 stop31h 50m

$760

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 2/3

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Fri 2/19

5:00 am-11:20 am

1 stop14h 20m

$760

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 2/14

1:20 pm-2:40 pm

1 stop17h 20m

Lisbon Humberto Delgado

Fri 2/26

5:00 am-11:20 am

1 stop14h 20m

$763

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 $558 to $846.
The lowest price recently found on this route was $582.

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 $599. 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 $654.

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 $902 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 $783 on momondo.

Can stopping save me money on Portland to Lisbon flights?

You could potentially save up to 15% 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 November 2026, prices for Portland to Lisbon flights are approximately 20% 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	$310
Fastest flight time	14h 00m
Direct flights	None

The best one-way flight to Lisbon from Portland in the past 72 hours is $310. The best round-trip flight deal from Portland to Lisbon found on momondo in the last 72 hours is $582.

The fastest flight from Portland to Lisbon takes 14h 00m

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 14h 00m, 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 November 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 45% of all bookings. The subsequent popular airlines are KLM at 19%, Delta at 17%, and United Airlines at 10%.

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 7.5 697 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $360	Free Cancellation	Rating 6.9 766 reviews	Search Icelandair flights
KLM	PriceFrom $492	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Lufthansa	PriceFrom $501	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
British Airways	PriceFrom $508	Free Cancellation	Rating 6.7 8,280 reviews	Search British Airways flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
Delta	PriceFrom $543	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
Air Canada	PriceFrom $576	Free Cancellation	Rating 7.1 11,847 reviews	Search Air Canada flights

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Costa da Caparica

Caldas da Rainha

Comporta

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Peniche

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Torres Vedras

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 $310

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 11/24. 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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United Airlines flights from Portland to Lisbon

Our best United Airlines deals on Portland to Lisbon flight tickets

British Airways flights from Portland to Lisbon

Our best British Airways 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

Best Price Found

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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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Popular flights according to clicks in the last 7 days on momondo

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