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Cheap flights from Portland to Lisbon from R7 656

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Portland to Lisbon

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
14:45 - 12:50PDX  Portland-LIS Lisbon Humberto Delgado
14h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:00 - 17:00LIS  Lisbon Humberto Delgado-PDX Portland
35h 00m1 stop Reykjavik Keflavik Intl
R9 444Icelandair
Sat, Nov 7 - Tue, Nov 17
Icelandair Logo
14:45 - 12:50PDX  Portland-LIS Lisbon Humberto Delgado
14h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:00 - 17:00LIS  Lisbon Humberto Delgado-PDX Portland
35h 00m1 stop Reykjavik Keflavik Intl
R9 461Icelandair
Mon, Nov 2 - Sun, Nov 8
United Airlines Logo
8:30 - 10:05PDX  Portland-LIS Lisbon Humberto Delgado
17h 35m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:20 - 11:47LIS  Lisbon Humberto Delgado-PDX Portland
32h 27m2 stops Toronto Pearson Intl Chicago O'Hare Intl
R9 753United Airlines
Sun, Nov 8 - Wed, Nov 18
United Airlines Logo
8:30 - 10:05PDX  Portland-LIS Lisbon Humberto Delgado
17h 35m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:20 - 11:47LIS  Lisbon Humberto Delgado-PDX Portland
32h 27m2 stops Toronto Pearson Intl Chicago O'Hare Intl
R9 770United Airlines
Sun, Nov 8 - Wed, Nov 18
United Airlines Logo
8:30 - 10:05PDX  Portland-LIS Lisbon Humberto Delgado
17h 35m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
12:20 - 22:27LIS  Lisbon Humberto Delgado-PDX Portland
42h 07m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
R9 835United Airlines
Sun, Nov 1 - Fri, Nov 13
Multiple Airlines Logo
17:45 - 18:50PDX  Portland-LIS Lisbon Humberto Delgado
17h 05m1 stop London Heathrow
Multiple Airlines Logo
6:30 - 22:15LIS  Lisbon Humberto Delgado-PDX Portland
23h 45m2 stops Madrid Barajas Dallas/Fort Worth
R9 867Multiple Airlines
Mon, Jan 18 - Thu, Jan 28
British Airways Logo
18:45 - 17:45PDX  Portland-LIS Lisbon Humberto Delgado
16h 00m1 stop London Heathrow
British Airways Logo
11:05 - 21:59LIS  Lisbon Humberto Delgado-PDX Portland
18h 54m1 stop Philadelphia
R9 883British Airways
Wed, Oct 28 - Fri, Nov 6
British Airways Logo
18:45 - 17:45PDX  Portland-LIS Lisbon Humberto Delgado
16h 00m1 stop London Heathrow
British Airways Logo
11:05 - 21:59LIS  Lisbon Humberto Delgado-PDX Portland
18h 54m1 stop Philadelphia
R9 900British Airways
Wed, Oct 28 - Fri, Nov 6
Virgin Atlantic Logo
7:10 - 8:00PDX  Portland-LIS Lisbon Humberto Delgado
16h 50m1 stop New York John F Kennedy Intl
Virgin Atlantic Logo
10:00 - 22:00LIS  Lisbon Humberto Delgado-PDX Portland
20h 00m1 stop New York John F Kennedy Intl
R9 981Virgin Atlantic
Tue, Nov 10 - Wed, Nov 18
United Airlines Logo
8:30 - 10:05PDX  Portland-LIS Lisbon Humberto Delgado
17h 35m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
11:55 - 20:15LIS  Lisbon Humberto Delgado-PDX Portland
16h 20m1 stop Washington, D.C. Dulles Intl
R9 997United Airlines
Tue, Nov 10 - Wed, Nov 18

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United Airlines flights from Portland to Lisbon

Our best United Airlines deals on Portland to Lisbon flight tickets
United Airlines
Nov 8
PDX8:30Portland
17h 35m
1 stop
LIS10:05Lisbon Humberto Delgado
Nov 18
LIS11:20Lisbon Humberto Delgado
32h 27m
2 stops
PDX11:47Portland
R9 753
United Airlines
Nov 8
PDX8:30Portland
17h 35m
1 stop
LIS10:05Lisbon Humberto Delgado
Nov 18
LIS11:20Lisbon Humberto Delgado
32h 27m
2 stops
PDX11:47Portland
R9 770
United Airlines
Nov 1
PDX23:10Portland
25h 00m
1 stop
LIS8:10Lisbon Humberto Delgado
Nov 13
LIS10:15Lisbon Humberto Delgado
19h 43m
1 stop
PDX21:58Portland
R9 835

British Airways flights from Portland to Lisbon

Our best British Airways deals on Portland to Lisbon flight tickets
British Airways
Oct 28
PDX18:45Portland
16h 00m
1 stop
LIS17:45Lisbon Humberto Delgado
Nov 6
LIS11:05Lisbon Humberto Delgado
18h 54m
1 stop
PDX21:59Portland
R9 883
British Airways
Oct 28
PDX18:45Portland
16h 00m
1 stop
LIS17:45Lisbon Humberto Delgado
Nov 6
LIS11:05Lisbon Humberto Delgado
18h 54m
1 stop
PDX21:59Portland
R9 900
British Airways
Oct 28
PDX18:45Portland
16h 00m
1 stop
LIS17:45Lisbon Humberto Delgado
Nov 5
LIS15:50Lisbon Humberto Delgado
32h 00m
1 stop
PDX15:50Portland
R10 062

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sat 7/11

14:45-12:50

1 stop14h 05m

Lisbon Humberto Delgado

Tue 17/11

14:00-17:00

1 stop35h 00m

R9 444

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 2/11

14:45-12:50

1 stop14h 05m

Lisbon Humberto Delgado

Sun 8/11

14:00-17:00

1 stop35h 00m

R9 461

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 8/11

8:30-10:05

1 stop17h 35m

Lisbon Humberto Delgado

Wed 18/11

11:20-11:47

2 stops32h 27m

R9 753

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 8/11

8:30-10:05

1 stop17h 35m

Lisbon Humberto Delgado

Wed 18/11

11:20-11:47

2 stops32h 27m

R9 770

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 1/11

8:30-10:05

1 stop17h 35m

Lisbon Humberto Delgado

Fri 13/11

12:20-22:27

2 stops42h 07m

R9 835

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 18/1

17:45-18:50

1 stop17h 05m

Lisbon Humberto Delgado

Thu 28/1

6:30-22:15

2 stops23h 45m

R9 867

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 28/10

18:45-17:45

1 stop16h 00m

Lisbon Humberto Delgado

Fri 6/11

11:05-21:59

1 stop18h 54m

R9 883

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 28/10

18:45-17:45

1 stop16h 00m

Lisbon Humberto Delgado

Fri 6/11

11:05-21:59

1 stop18h 54m

R9 900

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Tue 10/11

7:10-8:00

1 stop16h 50m

Lisbon Humberto Delgado

Wed 18/11

10:00-22:00

1 stop20h 00m

R9 981
Fastest return journey

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Tue 10/11

8:30-10:05

1 stop17h 35m

Lisbon Humberto Delgado

Wed 18/11

11:55-20:15

1 stop16h 20m

R9 997

Flights are sorted by cheapest return flights first.

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See travel insights to Lisbon from

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?

Prices are currently low for flights on this route.

Typical prices usually range from R12 444 to R17 938.
The lowest price recently found on this route was R9 444.

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 R9 721. If you’re not able to fly to Lisbon in February, then April is your next best option. Flight prices from Portland to Lisbon during April average around R10 582.

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 R14 244 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from Portland for as low as R12 110 on momondo.

How have Portland to Lisbon flight prices changed over time?

As of September 2026, prices for Portland to Lisbon flights are approximately 24% 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 return 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

R7 656

Direct flights

None
The best one-way flight to Lisbon from Portland in the past 72 hours is R7 656. The best return flight deal from Portland to Lisbon found on momondo in the last 72 hours is R9 444.
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 straight-line distance from Portland to Lisbon Humberto Delgado is 8536,3 km.

  • 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 were last updated today.

  • 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 stopovers. 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 required for your trip to Lisbon Humberto Delgado Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Lisbon Humberto Delgado Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Peniche
Fátima
Estoril
Nazaré
Almada
Sintra
Leiria
Setúbal

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Lisbon?

It is quick and easy to find Portland to Lisbon flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Lisbon that suits you.

Can I find flights from Portland to Lisbon with flexible booking policies on momondo?

momondo does allow users to show only those flights to Lisbon from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Lisbon?

Once all potential Portland to Lisbon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Lisbon right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Lisbon, momondo offers a useful price alert feature which will track prices for flights to Lisbon from Portland and alert you when they change.

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