Cheap flights from Portland to Lisbon from $256

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Lisbon

Cheap round-trip flights

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Icelandair Logo
2:45 pm - 12:45 pmPDX  Portland-LIS Lisbon Humberto Delgado
14h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:00 pm - 5:00 pmLIS  Lisbon Humberto Delgado-PDX Portland
35h 00m1 stop Reykjavik Keflavik Intl
$556Icelandair
Mon, Nov 30 - Thu, Dec 10
Icelandair Logo
2:45 pm - 12:45 pmPDX  Portland-LIS Lisbon Humberto Delgado
14h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:00 pm - 5:00 pmLIS  Lisbon Humberto Delgado-PDX Portland
35h 00m1 stop Reykjavik Keflavik Intl
$565Icelandair
Mon, Nov 30 - Sun, Dec 13
Multiple Airlines Logo
10:00 am - 10:40 amPDX  Portland-LIS Lisbon Humberto Delgado
16h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
6:05 am - 8:45 pmLIS  Lisbon Humberto Delgado-PDX Portland
21h 40m2 stops Munich Franz Josef Strauss Vancouver Intl
$731Multiple Airlines
Mon, Mar 1 - Tue, Mar 16
Multiple Airlines Logo
7:00 am - 10:40 amPDX  Portland-LIS Lisbon Humberto Delgado
19h 40m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
3:35 pm - 10:37 pmLIS  Lisbon Humberto Delgado-PDX Portland
38h 02m2 stops Zurich San Francisco
$737Multiple Airlines
Mon, Mar 1 - Mon, Mar 15
Lufthansa Logo
10:00 am - 11:30 pmPDX  Portland-LIS Lisbon Humberto Delgado
29h 30m2 stops Vancouver Intl Munich Franz Josef Strauss
Lufthansa Logo
5:00 am - 2:40 pmLIS  Lisbon Humberto Delgado-PDX Portland
17h 40m2 stops Frankfurt am Main Vancouver Intl
$750Lufthansa
Sun, Feb 28 - Thu, Mar 11
Lufthansa Logo
10:00 am - 11:30 pmPDX  Portland-LIS Lisbon Humberto Delgado
29h 30m2 stops Vancouver Intl Munich Franz Josef Strauss
Lufthansa Logo
5:00 am - 2:40 pmLIS  Lisbon Humberto Delgado-PDX Portland
17h 40m2 stops Frankfurt am Main Vancouver Intl
$750Lufthansa
Sun, Feb 28 - Tue, Mar 9
Air Canada Logo
6:55 am - 9:20 amPDX  Portland-LIS Lisbon Humberto Delgado
18h 25m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:25 am - 8:45 pmLIS  Lisbon Humberto Delgado-PDX Portland
21h 20m2 stops Frankfurt am Main Vancouver Intl
$757Air Canada
Wed, Apr 7 - Wed, Apr 21
Air Canada Logo
6:55 am - 9:20 amPDX  Portland-LIS Lisbon Humberto Delgado
18h 25m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
7:25 am - 8:45 pmLIS  Lisbon Humberto Delgado-PDX Portland
21h 20m2 stops Frankfurt am Main Vancouver Intl
$757Air Canada
Wed, Apr 7 - Tue, Apr 20
British Airways Logo
5:45 pm - 6:50 pmPDX  Portland-LIS Lisbon Humberto Delgado
17h 05m1 stop London Heathrow
British Airways Logo
7:45 pm - 4:50 pmLIS  Lisbon Humberto Delgado-PDX Portland
28h 05m1 stop London Heathrow
$760British Airways
Mon, Mar 1 - Tue, Mar 16
British Airways Logo
5:45 pm - 9:55 pmPDX  Portland-LIS Lisbon Humberto Delgado
20h 10m1 stop London Heathrow
British Airways Logo
11:05 am - 10:13 pmLIS  Lisbon Humberto Delgado-PDX Portland
19h 08m1 stop Philadelphia
$790British Airways
Wed, Dec 9 - Tue, Dec 22

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Air Canada flights from Portland to Lisbon

Our best Air Canada deals on Portland to Lisbon flight tickets
Air Canada
Apr 7
PDX6:55 amPortland
18h 25m
2 stops
LIS9:20 amLisbon Humberto Delgado
Apr 21
LIS7:25 amLisbon Humberto Delgado
21h 20m
2 stops
PDX8:45 pmPortland
$757
Air Canada
Feb 14
PDX3:15 pmPortland
35h 25m
2 stops
LIS10:40 amLisbon Humberto Delgado
Feb 18
LIS5:00 amLisbon Humberto Delgado
17h 41m
2 stops
PDX2:41 pmPortland
$759
Air Canada
Apr 6
PDX10:59 pmPortland
26h 21m
2 stops
LIS9:20 amLisbon Humberto Delgado
Apr 23
LIS7:25 amLisbon Humberto Delgado
21h 20m
2 stops
PDX8:45 pmPortland
$763

Lufthansa flights from Portland to Lisbon

Our best Lufthansa deals on Portland to Lisbon flight tickets
Lufthansa
Feb 28
PDX10:00 amPortland
29h 30m
2 stops
LIS11:30 pmLisbon Humberto Delgado
Mar 10
LIS5:00 amLisbon Humberto Delgado
17h 40m
2 stops
PDX2:40 pmPortland
$750
Lufthansa
Mar 1
PDX10:00 amPortland
15h 20m
2 stops
LIS9:20 amLisbon Humberto Delgado
Mar 11
LIS5:00 amLisbon Humberto Delgado
17h 40m
2 stops
PDX2:40 pmPortland
$751
Lufthansa
Mar 2
PDX10:00 amPortland
29h 30m
2 stops
LIS11:30 pmLisbon Humberto Delgado
Mar 11
LIS5:00 amLisbon Humberto Delgado
17h 40m
2 stops
PDX2:40 pmPortland
$767

momondo Fare Finder

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

Fly from

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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

Thu 12/10

2:00 pm-5:00 pm

1 stop35h 00m

$556

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 11/30

2:45 pm-12:45 pm

1 stop14h 00m

Lisbon Humberto Delgado

Sun 12/13

2:00 pm-5:00 pm

1 stop35h 00m

$565
Quickest round-trip

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 3/1

10:00 am-10:40 am

2 stops16h 40m

Lisbon Humberto Delgado

Tue 3/16

6:05 am-8:45 pm

2 stops21h 40m

$731

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 3/1

7:00 am-10:40 am

2 stops19h 40m

Lisbon Humberto Delgado

Mon 3/15

3:35 pm-10:37 pm

2 stops38h 02m

$737

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 2/28

10:00 am-11:30 pm

2 stops29h 30m

Lisbon Humberto Delgado

Thu 3/11

5:00 am-2:40 pm

2 stops17h 40m

$750

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Sun 2/28

10:00 am-11:30 pm

2 stops29h 30m

Lisbon Humberto Delgado

Tue 3/9

5:00 am-2:40 pm

2 stops17h 40m

$750

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 4/7

6:55 am-9:20 am

2 stops18h 25m

Lisbon Humberto Delgado

Wed 4/21

7:25 am-8:45 pm

2 stops21h 20m

$757

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Wed 4/7

6:55 am-9:20 am

2 stops18h 25m

Lisbon Humberto Delgado

Tue 4/20

7:25 am-8:45 pm

2 stops21h 20m

$757

PortlandLisbon

PDX Portland - LIS Lisbon Humberto Delgado

PDXLIS

Portland

Mon 3/1

5:45 pm-6:50 pm

1 stop17h 05m

Lisbon Humberto Delgado

Tue 3/16

7:45 pm-4:50 pm

1 stop28h 05m

$760

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-10:13 pm

1 stop19h 08m

$790

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 $648 to $870.
The lowest price recently found on this route was $556.

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 $667.

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 $912 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 11% 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

$256

Fastest flight time

16h 40m

Direct flights

None
The best one-way flight to Lisbon from Portland in the past 72 hours is $256. The best round-trip flight deal from Portland to Lisbon found on momondo in the last 72 hours is $556.
The fastest flight from Portland to Lisbon takes 16h 40m
There are no direct flights from Portland to Lisbon. There are no popular flight routes from Portland to Lisbon.

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 16h 40m, 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?

  • 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?

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 AtlanticPriceFrom $318Free CancellationRating
7.5
698 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom $360Free CancellationRating
7.0
766 reviews
Search Icelandair flights
KLMPriceFrom $492Free CancellationRating
7.8
1,599 reviews
Search KLM flights
LufthansaPriceFrom $501Free CancellationRating
6.8
8,295 reviews
Search Lufthansa flights
British AirwaysPriceFrom $508Free CancellationRating
6.7
8,277 reviews
Search British Airways flights
United AirlinesPriceFrom $508Free CancellationRating
7.3
10,479 reviews
Search United Airlines flights
DeltaPriceFrom $543Free CancellationRating
7.8
8,708 reviews
Search Delta flights
Air CanadaPriceFrom $576Free CancellationRating
7.1
11,890 reviews
Search Air Canada flights

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Setúbal
Nazaré
Evora
Figueira da Foz
Estoril
Fátima
Óbidos
Ericeira
Sesimbra
Torres Vedras
Leiria
Batalha
Sines
Costa da Caparica
Caldas da Rainha
Comporta
Oeiras
Peniche
Tomar

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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