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

London (LHR) was the most common stop: 48% of momondo users choosing 1-stop flights on this route connected there.

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.

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 52% 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 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 Amsterdam (AMS) have the shortest average one-way travel time: 14h 15m.

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.

$281 Cheap Flights from Portland to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Lisbon

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

2:45 pm - 12:50 pmPDX Portland-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

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

35h 00m1 stop Reykjavik Keflavik Intl

$695Icelandair

Mon, Nov 2 - Tue, Nov 24

10:00 am - 9:20 amPDX Portland-LIS Lisbon Humberto Delgado

16h 20m2 stops Vancouver Intl Toronto Pearson Intl

5:00 am - 6:31 pmLIS Lisbon Humberto Delgado-PDX Portland

21h 31m2 stops Frankfurt am Main Vancouver Intl

$709Multiple Airlines

Mon, Oct 26 - Thu, Nov 5

10:00 am - 10:40 amPDX Portland-LIS Lisbon Humberto Delgado

16h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 6:31 pmLIS Lisbon Humberto Delgado-PDX Portland

21h 31m2 stops Frankfurt am Main Vancouver Intl

$711Multiple Airlines

Mon, Nov 2 - Tue, Nov 24

3:45 pm - 12:50 pmPDX Portland-LIS Lisbon Humberto Delgado

14h 05m1 stop Reykjavik Keflavik Intl

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

35h 00m1 stop Reykjavik Keflavik Intl

$726Icelandair

Mon, Oct 26 - Thu, Nov 5

6:45 pm - 5:40 pmPDX Portland-LIS Lisbon Humberto Delgado

15h 55m1 stop London Heathrow

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

18h 54m1 stop Philadelphia

$736British Airways

Wed, Oct 28 - Wed, Nov 11

6:45 pm - 9:50 pmPDX Portland-LIS Lisbon Humberto Delgado

20h 05m1 stop London Heathrow

11:05 am - 10:03 pmLIS Lisbon Humberto Delgado-PDX Portland

18h 58m1 stop Philadelphia

$737British Airways

Wed, Oct 28 - Fri, Nov 6

10:00 am - 10:40 amPDX Portland-LIS Lisbon Humberto Delgado

40h 40m2 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

$741Lufthansa

Sun, Nov 8 - Wed, Nov 18

3:15 pm - 6:55 amPDX Portland-LIS Lisbon Humberto Delgado

56h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:00 am - 6:31 pmLIS Lisbon Humberto Delgado-PDX Portland

21h 31m2 stops Frankfurt am Main Vancouver Intl

$743Air Canada

Mon, Oct 26 - Thu, Nov 5

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

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

5:00 am - 6:31 pmLIS Lisbon Humberto Delgado-PDX Portland

21h 31m2 stops Frankfurt am Main Vancouver Intl

$743Air Canada

Tue, Oct 20 - Tue, Nov 10

10:00 am - 8:55 amPDX Portland-LIS Lisbon Humberto Delgado

15h 55m2 stops Vancouver Intl Toronto Pearson Intl

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

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

$745Lufthansa

Wed, Oct 28 - Fri, Nov 6

Cheap last minute flights

Enter your travel dates to find the best prices.

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

18h 20m1 stop Reykjavik Keflavik Intl

10:20 pm - 5:50 pmLIS Lisbon Humberto Delgado-PDX Portland

27h 30m1 stop Reykjavik Keflavik Intl

$925Icelandair

Wed, Aug 12 - Thu, Aug 20

12:50 pm - 3:35 pmPDX Portland-LIS Lisbon Humberto Delgado

18h 45m2 stops Philadelphia London Heathrow

11:05 am - 7:34 pmLIS Lisbon Humberto Delgado-PDX Portland

16h 29m1 stop Philadelphia

$1,064Multiple Airlines

Tue, Aug 11 - Fri, Aug 21

7:17 am - 9:05 amPDX Portland-LIS Lisbon Humberto Delgado

17h 48m1 stop Philadelphia

11:05 am - 7:34 pmLIS Lisbon Humberto Delgado-PDX Portland

16h 29m1 stop Philadelphia

$1,067Multiple Airlines

Tue, Aug 11 - Fri, Aug 21

7:30 pm - 3:30 pmPDX Portland-LIS Lisbon Humberto Delgado

36h 00m1 stop London Heathrow

11:05 am - 5:40 pmLIS Lisbon Humberto Delgado-PDX Portland

14h 35m1 stop London Heathrow

$1,093British Airways

Wed, Aug 12 - Fri, Aug 21

11:58 am - 3:40 pmPDX Portland-LIS Lisbon Humberto Delgado

19h 42m2 stops Dallas/Fort Worth London Heathrow

4:30 pm - 5:40 pmLIS Lisbon Humberto Delgado-PDX Portland

33h 10m1 stop London Heathrow

$1,149British Airways

Wed, Aug 12 - Thu, Aug 20

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

18h 20m1 stop Reykjavik Keflavik Intl

7:00 am - 11:50 amLIS Lisbon Humberto Delgado-PDX Portland

36h 50m2 stops London Gatwick Reykjavik Keflavik Intl

$1,240Icelandair

Wed, Aug 12 - Wed, Aug 19

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

17h 00m1 stop New York John F Kennedy Intl

12:15 pm - 11:41 amLIS Lisbon Humberto Delgado-PDX Portland

31h 26m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$1,452Delta

Tue, Aug 11 - Tue, Aug 18

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

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

7:25 am - 7:11 pmLIS Lisbon Humberto Delgado-PDX Portland

19h 46m2 stops Frankfurt am Main Vancouver Intl

$1,519Air Canada

Sat, Aug 8 - Thu, Aug 20

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

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

7:25 am - 7:11 pmLIS Lisbon Humberto Delgado-PDX Portland

19h 46m2 stops Frankfurt am Main Vancouver Intl

$1,519Air Canada

Sat, Aug 8 - Fri, Aug 21

1:05 pm - 2:35 pmPDX Portland-LIS Lisbon Humberto Delgado

17h 30m1 stop Amsterdam Schiphol

5:00 am - 11:10 amLIS Lisbon Humberto Delgado-PDX Portland

14h 10m1 stop Amsterdam Schiphol

$1,633Delta

Sun, Aug 9 - Fri, Aug 21

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United Airlines flights from Portland to Lisbon

Our best United Airlines deals on Portland to Lisbon flight tickets

United Airlines

Oct 28

PDX8:30 amPortland

18h 50m

1 stop

LIS10:20 amLisbon Humberto Delgado

Nov 6

LIS11:20 amLisbon Humberto Delgado

42h 38m

2 stops

PDX9:58 pmPortland

$746

United Airlines

Oct 20

PDX10:58 amPortland

13h 22m

1 stop

LIS8:20 amLisbon Humberto Delgado

Nov 10

LIS11:20 amLisbon Humberto Delgado

32h 27m

2 stops

PDX11:47 amPortland

$751

United Airlines

Nov 16

PDX5:36 amPortland

21h 04m

2 stops

LIS10:40 amLisbon Humberto Delgado

Nov 27

LIS12:25 pmLisbon Humberto Delgado

20h 19m

2 stops

PDX12:44 amPortland

$757

Delta flights from Portland to Lisbon

Our best Delta deals on Portland to Lisbon flight tickets

Delta

Nov 8

PDX11:43 amPortland

21h 47m

2 stops

LIS5:30 pmLisbon Humberto Delgado

Nov 18

LIS5:00 amLisbon Humberto Delgado

14h 20m

1 stop

PDX11:20 amPortland

$750

Delta

Dec 9

PDX7:05 amPortland

16h 55m

1 stop

LIS8:00 amLisbon Humberto Delgado

Dec 22

LIS5:00 amLisbon Humberto Delgado

23h 46m

2 stops

PDX8:46 pmPortland

$756

Delta

Dec 9

PDX9:32 amPortland

21h 38m

2 stops

LIS3:10 pmLisbon Humberto Delgado

Dec 22

LIS5:00 amLisbon Humberto Delgado

26h 52m

2 stops

PDX11:52 pmPortland

$760

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 11/2

2:45 pm-12:50 pm

1 stop14h 05m

Lisbon Humberto Delgado

Tue 11/24

2:00 pm-5:00 pm

1 stop35h 00m

$695

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 10/26

10:00 am-9:20 am

2 stops16h 20m

Lisbon Humberto Delgado

Thu 11/5

5:00 am-6:31 pm

2 stops21h 31m

$709

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 11/2

10:00 am-10:40 am

2 stops16h 40m

Lisbon Humberto Delgado

Tue 11/24

5:00 am-6:31 pm

2 stops21h 31m

$711

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 10/26

3:45 pm-12:50 pm

1 stop14h 05m

Lisbon Humberto Delgado

Thu 11/5

2:00 pm-5:00 pm

1 stop35h 00m

$726

Quickest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 10/28

6:45 pm-5:40 pm

1 stop15h 55m

Lisbon Humberto Delgado

Wed 11/11

11:05 am-9:59 pm

1 stop18h 54m

$736

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 10/28

6:45 pm-9:50 pm

1 stop20h 05m

Lisbon Humberto Delgado

Fri 11/6

11:05 am-10:03 pm

1 stop18h 58m

$737

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 11/8

10:00 am-10:40 am

2 stops40h 40m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-7:12 pm

2 stops22h 12m

$741

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 10/26

3:15 pm-6:55 am

2 stops56h 40m

Lisbon Humberto Delgado

Thu 11/5

5:00 am-6:31 pm

2 stops21h 31m

$743

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Tue 10/20

7:45 pm-9:20 am

2 stops29h 35m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-6:31 pm

2 stops21h 31m

$743

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 10/28

10:00 am-8:55 am

2 stops15h 55m

Lisbon Humberto Delgado

Fri 11/6

5:00 am-7:12 pm

2 stops22h 12m

$745

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 $655 to $1,086.
The lowest price recently found on this route was $695.

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 November 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 $869 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 21% 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	14h 05m
Direct flights	None

The fastest flight from Portland to Lisbon takes 14h 05m

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

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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 05m, 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 47% of all bookings. The subsequent popular airlines are KLM at 18%, Delta at 15%, 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 7.5 694 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $360	Free Cancellation	Rating 6.9 723 reviews	Search Icelandair flights
KLM	PriceFrom $492	Free Cancellation	Rating 7.8 1,553 reviews	Search KLM flights
Delta	PriceFrom $492	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
Lufthansa	PriceFrom $501	Free Cancellation	Rating 6.8 8,177 reviews	Search Lufthansa flights
British Airways	PriceFrom $509	Free Cancellation	Rating 6.7 8,153 reviews	Search British Airways flights
United Airlines	PriceFrom $549	Free Cancellation	Rating 7.4 10,085 reviews	Search United Airlines flights
Air Canada	PriceFrom $576	Free Cancellation	Rating 7.1 11,449 reviews	Search Air Canada flights

Sintra

Fátima

Figueira da Foz

Setúbal

Estoril

Nazaré

Evora

Ericeira

Peniche

Óbidos

Tomar

Batalha

Leiria

Sesimbra

Oeiras

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.

An easier way to manage your Lisbon trip

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Cheap flights from Portland to Lisbon from $281

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 10/29. 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

Delta flights from Portland to Lisbon

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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 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

Airports servicing Portugal

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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