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Cheap flights from Portland to Lisbon from $244

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Lisbon departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
11:50 am - 10:45 am
PDX
-
LIS
14h 55m
2 stops
Virgin Atlantic Logo
10:00 am - 9:13 pm
LIS
-
PDX
19h 13m
1 stop
$244Virgin Atlantic
Tue, Aug 11 - Thu, Aug 20
Virgin Atlantic Logo
10:35 pm - 8:00 am
PDX
-
LIS
25h 25m
1 stop
Virgin Atlantic Logo
12:45 pm - 11:20 pm
LIS
-
PDX
18h 35m
2 stops
$286Virgin Atlantic
Tue, Aug 4 - Thu, Aug 13
Virgin Atlantic Logo
10:35 pm - 8:00 am
PDX
-
LIS
25h 25m
1 stop
Virgin Atlantic Logo
12:45 pm - 10:09 pm
LIS
-
PDX
17h 24m
2 stops
$308Virgin Atlantic
Tue, Aug 4 - Thu, Aug 13
Virgin Atlantic Logo
10:35 pm - 8:00 am
PDX
-
LIS
25h 25m
1 stop
Virgin Atlantic Logo
12:45 pm - 11:39 pm
LIS
-
PDX
18h 54m
2 stops
$311Virgin Atlantic
Mon, Aug 3 - Thu, Aug 13
Virgin Atlantic Logo
10:40 pm - 8:00 am
PDX
-
LIS
25h 20m
1 stop
Virgin Atlantic Logo
12:45 pm - 11:18 pm
LIS
-
PDX
18h 33m
2 stops
$319Virgin Atlantic
Sun, Jul 12 - Tue, Jul 21
Virgin Atlantic Logo
7:05 am - 8:00 am
PDX
-
LIS
16h 55m
1 stop
Virgin Atlantic Logo
12:45 pm - 11:18 pm
LIS
-
PDX
18h 33m
2 stops
$321Virgin Atlantic
Tue, Jul 14 - Fri, Jul 24
Virgin Atlantic Logo
7:00 am - 8:00 am
PDX
-
LIS
17h 00m
1 stop
Virgin Atlantic Logo
10:00 am - 9:13 pm
LIS
-
PDX
19h 13m
1 stop
$330Virgin Atlantic
Tue, Aug 11 - Thu, Aug 20
Virgin Atlantic Logo
7:05 am - 8:00 am
PDX
-
LIS
16h 55m
1 stop
Virgin Atlantic Logo
10:00 am - 9:13 pm
LIS
-
PDX
19h 13m
1 stop
$332Virgin Atlantic
Sat, Jul 11 - Wed, Jul 22
Virgin Atlantic Logo
7:05 am - 8:00 am
PDX
-
LIS
16h 55m
1 stop
Virgin Atlantic Logo
12:45 pm - 11:18 pm
LIS
-
PDX
18h 33m
2 stops
$333Virgin Atlantic
Sat, Jul 11 - Wed, Jul 22
Virgin Atlantic Logo
10:35 pm - 8:00 am
PDX
-
LIS
25h 25m
1 stop
Virgin Atlantic Logo
10:00 am - 9:13 pm
LIS
-
PDX
19h 13m
1 stop
$335Virgin Atlantic
Tue, Aug 4 - Thu, Aug 13

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Icelandair flights from Portland to Lisbon

Our best Icelandair deals on Portland to Lisbon flight tickets
Icelandair
Nov 2
PDX2:45 pmPortland
14h 05m
1 stop
LIS12:50 pmLisbon Humberto Delgado
Nov 10
LIS2:00 pmLisbon Humberto Delgado
35h 00m
1 stop
PDX5:00 pmPortland
$697
Icelandair
Nov 7
PDX2:45 pmPortland
14h 05m
1 stop
LIS12:50 pmLisbon Humberto Delgado
Nov 12
LIS2:00 pmLisbon Humberto Delgado
35h 00m
1 stop
PDX5:00 pmPortland
$700
Icelandair
Nov 9
PDX2:45 pmPortland
14h 05m
1 stop
LIS12:50 pmLisbon Humberto Delgado
Nov 17
LIS2:00 pmLisbon Humberto Delgado
35h 00m
1 stop
PDX5:00 pmPortland
$702

KLM flights from Portland to Lisbon

Our best KLM deals on Portland to Lisbon flight tickets
KLM
Jul 6
PDX1:05 pmPortland
13h 50m
1 stop
LIS10:55 amLisbon Humberto Delgado
Jul 17
LIS5:00 amLisbon Humberto Delgado
14h 10m
1 stop
PDX11:10 amPortland
$1,148
KLM
Jul 6
PDX1:05 pmPortland
13h 50m
1 stop
LIS10:55 amLisbon Humberto Delgado
Jul 17
LIS5:00 amLisbon Humberto Delgado
14h 10m
1 stop
PDX11:10 amPortland
$1,264
KLM
Jul 9
PDX1:05 pmPortland
17h 30m
1 stop
LIS2:35 pmLisbon Humberto Delgado
Jul 19
LIS7:45 pmLisbon Humberto Delgado
23h 25m
1 stop
PDX11:10 amPortland
$1,278

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 26, 2026.
Use the filters below to find and compare flights from Portland to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 8/11

11:50 am-10:45 am

2 stops14h 55m

Lisbon Humberto Delgado

Thu 8/20

10:00 am-9:13 pm

1 stop19h 13m

$244

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 8/4

10:35 pm-8:00 am

1 stop25h 25m

Lisbon Humberto Delgado

Thu 8/13

12:45 pm-11:20 pm

2 stops18h 35m

$286

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 8/4

10:35 pm-8:00 am

1 stop25h 25m

Lisbon Humberto Delgado

Thu 8/13

12:45 pm-10:09 pm

2 stops17h 24m

$308

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 8/3

10:35 pm-8:00 am

1 stop25h 25m

Lisbon Humberto Delgado

Thu 8/13

12:45 pm-11:39 pm

2 stops18h 54m

$311

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 7/12

10:40 pm-8:00 am

1 stop25h 20m

Lisbon Humberto Delgado

Tue 7/21

12:45 pm-11:18 pm

2 stops18h 33m

$319

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 7/14

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Fri 7/24

12:45 pm-11:18 pm

2 stops18h 33m

$321

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 8/11

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Thu 8/20

10:00 am-9:13 pm

1 stop19h 13m

$330

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 7/11

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Wed 7/22

10:00 am-9:13 pm

1 stop19h 13m

$332

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sat 7/11

7:05 am-8:00 am

1 stop16h 55m

Lisbon Humberto Delgado

Wed 7/22

12:45 pm-11:18 pm

2 stops18h 33m

$333

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 8/4

10:35 pm-8:00 am

1 stop25h 25m

Lisbon Humberto Delgado

Thu 8/13

10:00 am-9:13 pm

1 stop19h 13m

$335

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?

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 $603. 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 $648.

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 $843 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 $722 on momondo.

Can stopping save me money on Portland to Lisbon flights?

You could potentially save up to 17% 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 June 2026, prices for Portland to Lisbon flights are approximately 50% 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

Fastest flight time

14h 55m

Direct flights

None
The fastest flight from Portland to Lisbon takes 14h 55m
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 55m, 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
IcelandairPriceFrom $360Free CancellationRating
7.0
690 reviews
Search Icelandair flights
KLMPriceFrom $492Free CancellationRating
7.8
1,531 reviews
Search KLM flights
LufthansaPriceFrom $501Free CancellationRating
6.8
8,096 reviews
Search Lufthansa flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,893 reviews
Search United Airlines flights
British AirwaysPriceFrom $510Free CancellationRating
6.7
8,071 reviews
Search British Airways flights
DeltaPriceFrom $543Free CancellationRating
7.8
8,453 reviews
Search Delta flights
Air CanadaPriceFrom $577Free CancellationRating
7.1
11,265 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
Ericeira
Fátima
Nazaré
Setúbal
Estoril
Figueira da Foz
Peniche
Evora
Oeiras
Leiria
Sesimbra
Batalha
Óbidos
Zambujeira do Mar
Costa da Caparica
Tomar
Comporta
Sines
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.

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