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.

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 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 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.

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

American Airlines, United Airlines, and Delta are the most popular carriers operating from Portland to Lisbon Humberto Delgado

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.

$299 Cheap Flights from Portland to Lisbon in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Lisbon

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

20h 00m1 stop London Heathrow

8:20 am - 7:47 pmLIS Lisbon Humberto Delgado-PDX Portland

19h 27m2 stops Madrid Barajas Chicago O'Hare Intl

$752Multiple Airlines

Sun, Oct 25 - Tue, Nov 3

5:45 pm - 9:55 pmPDX Portland-LIS Lisbon Humberto Delgado

20h 10m1 stop London Heathrow

8:45 pm - 11:07 amLIS Lisbon Humberto Delgado-PDX Portland

22h 22m2 stops Madrid Barajas Dallas/Fort Worth

$753Multiple Airlines

Wed, Nov 11 - Mon, Nov 16

7:00 am - 9:20 amPDX Portland-LIS Lisbon Humberto Delgado

18h 20m2 stops Vancouver Intl Toronto Pearson Intl

11:20 am - 11:53 amLIS Lisbon Humberto Delgado-PDX Portland

32h 33m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$755Air Canada

Sun, Dec 27 - Wed, Jan 13

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

30h 10m2 stops Vancouver Intl Toronto Pearson Intl

11:20 am - 11:53 amLIS Lisbon Humberto Delgado-PDX Portland

32h 33m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$755Air Canada

Sat, Dec 26 - Wed, Jan 13

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

16h 55m1 stop New York John F Kennedy Intl

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

23h 46m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$756Delta

Wed, Dec 9 - Tue, Dec 22

11:34 pm - 8:10 amPDX Portland-LIS Lisbon Humberto Delgado

24h 36m1 stop Newark

11:20 am - 11:53 amLIS Lisbon Humberto Delgado-PDX Portland

32h 33m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$757United Airlines

Sun, Dec 27 - Wed, Jan 13

11:34 pm - 8:10 amPDX Portland-LIS Lisbon Humberto Delgado

24h 36m1 stop Newark

11:20 am - 11:53 amLIS Lisbon Humberto Delgado-PDX Portland

32h 33m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$757United Airlines

Sun, Dec 27 - Wed, Jan 13

5:45 pm - 9:55 pmPDX Portland-LIS Lisbon Humberto Delgado

20h 10m1 stop London Heathrow

11:05 am - 10:07 pmLIS Lisbon Humberto Delgado-PDX Portland

19h 02m1 stop Philadelphia

$760British Airways

Wed, Dec 9 - Tue, Dec 22

7:10 am - 5:30 pmPDX Portland-LIS Lisbon Humberto Delgado

26h 20m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

11:30 am - 4:24 pmLIS Lisbon Humberto Delgado-PDX Portland

36h 54m2 stops Amsterdam Schiphol Minneapolis St Paul

$760Delta

Sun, Dec 27 - Tue, Jan 12

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

32h 00m1 stop London Heathrow

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

16h 45m1 stop London Heathrow

$770British Airways

Sun, Dec 27 - Wed, Jan 13

Cheap last minute flights

Enter your travel dates to find the best prices.

11:42 pm - 10:20 amPDX Portland-LIS Lisbon Humberto Delgado

26h 38m1 stop Boston Logan Intl

10:20 am - 5:11 pmLIS Lisbon Humberto Delgado-PDX Portland

38h 51m2 stops Miami Denver Intl

$1,477Multiple Airlines

Sun, Aug 23 - Sat, Aug 29

7:30 pm - 3:45 pmPDX Portland-LIS Lisbon Humberto Delgado

36h 15m1 stop London Heathrow

4:25 pm - 5:40 pmLIS Lisbon Humberto Delgado-PDX Portland

33h 15m1 stop London Heathrow

$1,508British Airways

Sun, Aug 23 - Sat, Aug 29

7:06 am - 10:45 amPDX Portland-LIS Lisbon Humberto Delgado

19h 39m2 stops Chicago O'Hare Intl Dublin

10:15 pm - 8:51 pmLIS Lisbon Humberto Delgado-PDX Portland

30h 36m2 stops Dublin San Francisco

$1,510Multiple Airlines

Sun, Aug 23 - Sat, Aug 29

11:15 am - 8:20 amPDX Portland-LIS Lisbon Humberto Delgado

13h 05m1 stop Newark

12:20 pm - 8:10 pmLIS Lisbon Humberto Delgado-PDX Portland

15h 50m1 stop Washington, D.C. Dulles Intl

$1,567United Airlines

Wed, Aug 26 - Fri, Sep 11

11:15 am - 8:20 amPDX Portland-LIS Lisbon Humberto Delgado

13h 05m1 stop Newark

10:25 am - 10:03 pmLIS Lisbon Humberto Delgado-PDX Portland

19h 38m1 stop Newark

$1,567United Airlines

Wed, Aug 26 - Wed, Sep 9

7:00 pm - 8:30 amPDX Portland-LIS Lisbon Humberto Delgado

29h 30m3 stops Reykjavik Keflavik Intl Oslo Gardermoen Munich Franz Josef Strauss

8:15 am - 9:31 amLIS Lisbon Humberto Delgado-PDX Portland

33h 16m3 stops Montreal Pierre Elliott Trudeau Intl Calgary Vancouver Intl

$1,606Multiple Airlines

Sun, Aug 23 - Sat, Aug 29

11:58 am - 5:45 pmPDX Portland-LIS Lisbon Humberto Delgado

21h 47m2 stops Dallas/Fort Worth London Heathrow

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

14h 35m1 stop London Heathrow

$2,093British Airways

Sun, Aug 23 - Thu, Sep 3

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

15h 10m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

5:05 am - 7:11 pmLIS Lisbon Humberto Delgado-PDX Portland

22h 06m2 stops Frankfurt am Main Vancouver Intl

$2,425Lufthansa

Mon, Aug 24 - Sun, Sep 6

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

15h 10m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

6:15 am - 10:45 pmLIS Lisbon Humberto Delgado-PDX Portland

24h 30m2 stops Munich Franz Josef Strauss San Francisco

$2,427Lufthansa

Mon, Aug 24 - Sun, Sep 6

1:05 pm - 6:45 pmPDX Portland-LIS Lisbon Humberto Delgado

21h 40m1 stop Amsterdam Schiphol

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

14h 10m1 stop Amsterdam Schiphol

$2,571KLM

Wed, Aug 26 - Sat, Sep 5

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Portland to Lisbon

Our best United Airlines deals on Portland to Lisbon flight tickets

United Airlines

Oct 20

PDX10:58 amPortland

13h 22m

1 stop

LIS8:20 amLisbon Humberto Delgado

Nov 10

LIS12:20 pmLisbon Humberto Delgado

15h 55m

1 stop

PDX8:15 pmPortland

$767

United Airlines

Oct 17

PDX12:45 pmPortland

36h 35m

3 stops

LIS9:20 amLisbon Humberto Delgado

Oct 27

LIS12:20 pmLisbon Humberto Delgado

30h 27m

2 stops

PDX11:47 amPortland

$804

United Airlines

Nov 13

PDX8:30 amPortland

17h 50m

1 stop

LIS10:20 amLisbon Humberto Delgado

Nov 22

LIS10:40 amLisbon Humberto Delgado

33h 12m

2 stops

PDX11:52 amPortland

$846

British Airways flights from Portland to Lisbon

Our best British Airways deals on Portland to Lisbon flight tickets

British Airways

Dec 29

PDX8:00 amPortland

17h 05m

1 stop

LIS9:05 amLisbon Humberto Delgado

Jan 12

LIS7:45 pmLisbon Humberto Delgado

28h 05m

1 stop

PDX3:50 pmPortland

$777

British Airways

Oct 25

PDX6:45 pmPortland

20h 00m

1 stop

LIS9:45 pmLisbon Humberto Delgado

Nov 3

LIS11:05 amLisbon Humberto Delgado

18h 54m

1 stop

PDX9:59 pmPortland

$788

British Airways

Oct 27

PDX8:35 amPortland

17h 30m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 3

LIS11:05 amLisbon Humberto Delgado

18h 54m

1 stop

PDX9:59 pmPortland

$795

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 10/25

6:45 pm-9:45 pm

1 stop20h 00m

Lisbon Humberto Delgado

Tue 11/3

8:20 am-7:47 pm

2 stops19h 27m

$752

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 11/11

5:45 pm-9:55 pm

1 stop20h 10m

Lisbon Humberto Delgado

Mon 11/16

8:45 pm-11:07 am

2 stops22h 22m

$753

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 12/27

7:00 am-9:20 am

2 stops18h 20m

Lisbon Humberto Delgado

Wed 1/13

11:20 am-11:53 am

2 stops32h 33m

$755

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sat 12/26

7:10 pm-9:20 am

2 stops30h 10m

Lisbon Humberto Delgado

Wed 1/13

11:20 am-11:53 am

2 stops32h 33m

$755

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 12/9

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Tue 12/22

5:00 am-8:46 pm

2 stops23h 46m

$756

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 12/27

11:34 pm-8:10 am

1 stop24h 36m

Lisbon Humberto Delgado

Wed 1/13

11:20 am-11:53 am

2 stops32h 33m

$757

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 12/27

11:34 pm-8:10 am

1 stop24h 36m

Lisbon Humberto Delgado

Wed 1/13

11:20 am-11:53 am

2 stops32h 33m

$757

Quickest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 12/9

5:45 pm-9:55 pm

1 stop20h 10m

Lisbon Humberto Delgado

Tue 12/22

11:05 am-10:07 pm

1 stop19h 02m

$760

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 12/27

7:10 am-5:30 pm

2 stops26h 20m

Lisbon Humberto Delgado

Tue 1/12

11:30 am-4:24 pm

2 stops36h 54m

$760

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 12/27

5:45 pm-9:45 am

1 stop32h 00m

Lisbon Humberto Delgado

Wed 1/13

7:05 am-3:50 pm

1 stop16h 45m

$770

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 $730 to $1,138.
The lowest price recently found on this route was $752.

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

Best Price Found	$299
Fastest flight time	14h 05m
Direct flights	None

The best one-way flight to Lisbon from Portland in the past 72 hours is $299. The best round-trip flight deal from Portland to Lisbon found on momondo in the last 72 hours is $752.

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.

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 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 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 7.4 695 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $360	Free Cancellation	Rating 6.9 730 reviews	Search Icelandair flights
KLM	PriceFrom $492	Free Cancellation	Rating 7.8 1,560 reviews	Search KLM flights
Lufthansa	PriceFrom $501	Free Cancellation	Rating 6.8 8,202 reviews	Search Lufthansa flights
British Airways	PriceFrom $509	Free Cancellation	Rating 6.7 8,181 reviews	Search British Airways flights
Delta	PriceFrom $543	Free Cancellation	Rating 7.8 8,513 reviews	Search Delta flights
United Airlines	PriceFrom $549	Free Cancellation	Rating 7.4 10,105 reviews	Search United Airlines flights
Air Canada	PriceFrom $584	Free Cancellation	Rating 7.1 11,511 reviews	Search Air Canada flights

Sintra

Fátima

Estoril

Figueira da Foz

Setúbal

Nazaré

Evora

Ericeira

Óbidos

Peniche

Tomar

Batalha

Leiria

Oeiras

Sesimbra

Zambujeira do Mar

Comporta

Sines

Caldas da Rainha

Costa da Caparica

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 9/20

Sun 9/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal

Nearby airports

Airlines

Cabin classes

Other Portugal destinations

Other flights from Portland

Complete your trip

Feeling lucky

Airports servicing Portugal

Cheap flights from Portland to Lisbon from $299

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 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to Lisbon

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Lisbon that are best for you.

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

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.

Popular cities in Portugal

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

Fly to other destinations from Portland

According to popular flight searches on momondo this year

Complete your trip to Lisbon

Explore popular destinations other users love

According to popular flight searches on momondo this year