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Cheap flights from Lisbon to Portland from $450

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lisbon to Portland departing on 2/10. 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 Lisbon to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:00 pm - 5:55 pmLIS  Lisbon Humberto Delgado-PDX Portland
34h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:30 pm - 1:50 pmPDX  Portland-LIS Lisbon Humberto Delgado
14h 20m1 stop Reykjavik Keflavik Intl
$955Icelandair
Thu, Oct 8 - Sat, Oct 24
Icelandair Logo
3:00 pm - 5:55 pmLIS  Lisbon Humberto Delgado-PDX Portland
34h 55m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:30 pm - 1:50 pmPDX  Portland-LIS Lisbon Humberto Delgado
14h 20m1 stop Reykjavik Keflavik Intl
$956Icelandair
Thu, Oct 8 - Sat, Oct 24
Multiple Airlines Logo
8:25 am - 7:41 pmLIS  Lisbon Humberto Delgado-PDX Portland
19h 16m2 stops Madrid Barajas Chicago O'Hare Intl
Multiple Airlines Logo
7:00 am - 7:40 amPDX  Portland-LIS Lisbon Humberto Delgado
16h 40m2 stops Dallas/Fort Worth Madrid Barajas
$964Multiple Airlines
Fri, Oct 23 - Sun, Nov 1
Multiple Airlines Logo
6:35 am - 7:41 pmLIS  Lisbon Humberto Delgado-PDX Portland
21h 06m2 stops Madrid Barajas Chicago O'Hare Intl
Multiple Airlines Logo
6:00 am - 7:40 amPDX  Portland-LIS Lisbon Humberto Delgado
17h 40m2 stops Dallas/Fort Worth Madrid Barajas
$964Multiple Airlines
Fri, Oct 23 - Sun, Nov 1
Multiple Airlines Logo
8:45 pm - 11:41 pmLIS  Lisbon Humberto Delgado-PDX Portland
34h 56m2 stops Madrid Barajas Dallas/Fort Worth
Multiple Airlines Logo
6:28 am - 7:40 amPDX  Portland-LIS Lisbon Humberto Delgado
17h 12m2 stops Dallas/Fort Worth Madrid Barajas
$964Multiple Airlines
Tue, Dec 1 - Sun, Jan 24
Multiple Airlines Logo
8:45 pm - 11:41 pmLIS  Lisbon Humberto Delgado-PDX Portland
34h 56m2 stops Madrid Barajas Dallas/Fort Worth
Multiple Airlines Logo
6:28 am - 7:40 amPDX  Portland-LIS Lisbon Humberto Delgado
17h 12m2 stops Dallas/Fort Worth Madrid Barajas
$965Multiple Airlines
Tue, Dec 1 - Sun, Jan 24
Multiple Airlines Logo
8:45 pm - 11:41 pmLIS  Lisbon Humberto Delgado-PDX Portland
34h 56m2 stops Madrid Barajas Dallas/Fort Worth
Multiple Airlines Logo
6:28 am - 7:40 amPDX  Portland-LIS Lisbon Humberto Delgado
17h 12m2 stops Dallas/Fort Worth Madrid Barajas
$967Multiple Airlines
Tue, Dec 1 - Sun, Jan 24
Air Canada Logo
7:25 am - 7:06 pmLIS  Lisbon Humberto Delgado-PDX Portland
19h 41m2 stops Frankfurt am Main Vancouver Intl
Air Canada Logo
10:10 am - 9:55 amPDX  Portland-LIS Lisbon Humberto Delgado
15h 45m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$970Air Canada
Thu, Oct 8 - Sat, Oct 24
Multiple Airlines Logo
5:05 am - 2:51 pmLIS  Lisbon Humberto Delgado-PDX Portland
17h 46m2 stops Frankfurt am Main Vancouver Intl
Multiple Airlines Logo
10:10 am - 9:55 amPDX  Portland-LIS Lisbon Humberto Delgado
15h 45m2 stops Vancouver Intl Toronto Pearson Intl
$973Multiple Airlines
Thu, Oct 8 - Sat, Oct 24
Delta Logo
5:00 am - 11:10 amLIS  Lisbon Humberto Delgado-PDX Portland
14h 10m1 stop Amsterdam Schiphol
Delta Logo
3:21 pm - 5:50 pmPDX  Portland-LIS Lisbon Humberto Delgado
18h 29m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
$1,005Delta
Mon, Sep 28 - Mon, Oct 5

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Delta flights from Lisbon to Portland

Our best Delta deals on Lisbon to Portland flight tickets
Delta
Sep 28
LIS5:00 amLisbon Humberto Delgado
14h 10m
1 stop
PDX11:10 amPortland
Oct 5
PDX1:05 pmPortland
21h 40m
1 stop
LIS6:45 pmLisbon Humberto Delgado
$1,010
Delta
Sep 14
LIS5:00 amLisbon Humberto Delgado
20h 31m
2 stops
PDX5:31 pmPortland
Sep 28
PDX12:34 pmPortland
21h 16m
2 stops
LIS5:50 pmLisbon Humberto Delgado
$1,011
Delta
Sep 10
LIS5:00 amLisbon Humberto Delgado
14h 10m
1 stop
PDX11:10 amPortland
Sep 23
PDX1:05 pmPortland
21h 40m
1 stop
LIS6:45 pmLisbon Humberto Delgado
$1,012

American Airlines flights from Lisbon to Portland

Our best American Airlines deals on Lisbon to Portland flight tickets
American Airlines
Dec 1
LIS11:05 amLisbon Humberto Delgado
19h 15m
1 stop
PDX10:20 pmPortland
Jan 24
PDX5:45 pmPortland
34h 20m
1 stop
LIS12:05 pmLisbon Humberto Delgado
$1,021
American Airlines
Dec 1
LIS11:05 amLisbon Humberto Delgado
19h 15m
1 stop
PDX10:20 pmPortland
Jan 24
PDX5:45 pmPortland
34h 20m
1 stop
LIS12:05 pmLisbon Humberto Delgado
$1,022
American Airlines
Oct 23
LIS11:05 amLisbon Humberto Delgado
20h 00m
1 stop
PDX11:05 pmPortland
Nov 1
PDX5:45 pmPortland
16h 00m
1 stop
LIS5:45 pmLisbon Humberto Delgado
$1,026

momondo Fare Finder

 
Customize your flight search to find flights from Lisbon to Portland 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 August 16, 2026.
Use the filters below to find and compare flights from Lisbon to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Thu 10/8

3:00 pm-5:55 pm

1 stop34h 55m

Portland

Sat 10/24

3:30 pm-1:50 pm

1 stop14h 20m

$955

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Thu 10/8

3:00 pm-5:55 pm

1 stop34h 55m

Portland

Sat 10/24

3:30 pm-1:50 pm

1 stop14h 20m

$956

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Fri 10/23

8:25 am-7:41 pm

2 stops19h 16m

Portland

Sun 11/1

7:00 am-7:40 am

2 stops16h 40m

$964

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Fri 10/23

6:35 am-7:41 pm

2 stops21h 06m

Portland

Sun 11/1

6:00 am-7:40 am

2 stops17h 40m

$964

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Tue 12/1

8:45 pm-11:41 pm

2 stops34h 56m

Portland

Sun 1/24

6:28 am-7:40 am

2 stops17h 12m

$964

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Tue 12/1

8:45 pm-11:41 pm

2 stops34h 56m

Portland

Sun 1/24

6:28 am-7:40 am

2 stops17h 12m

$965

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Tue 12/1

8:45 pm-11:41 pm

2 stops34h 56m

Portland

Sun 1/24

6:28 am-7:40 am

2 stops17h 12m

$967

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Thu 10/8

7:25 am-7:06 pm

2 stops19h 41m

Portland

Sat 10/24

10:10 am-9:55 am

2 stops15h 45m

$970

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Thu 10/8

5:05 am-2:51 pm

2 stops17h 46m

Portland

Sat 10/24

10:10 am-9:55 am

2 stops15h 45m

$973
Quickest round-trip

LisbonPortland

LIS Lisbon Humberto Delgado - PDX Portland

LISPDX

Lisbon Humberto Delgado

Mon 9/28

5:00 am-11:10 am

1 stop14h 10m

Portland

Mon 10/5

3:21 pm-5:50 pm

2 stops18h 29m

$1,005

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 Portland from

How to get the cheapest flight ticket from Lisbon to Portland

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 Lisbon and Portland?

Prices are currently low for flights on this route.

Typical prices usually range from $1,070 to $1,404.
The lowest price recently found on this route was $955.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from Lisbon is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until February to fly from Lisbon, when ticket prices are also cheap, with an average price of $707.

How have Lisbon to Portland flight prices changed over time?

When to book flights from Lisbon to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from Lisbon to Portland according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lisbon to Portland (LIS to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lisbon to Portland

Fastest flight time

14h 10m

Direct flights

None
The fastest flight from Lisbon to Portland takes 14h 10m
There are no direct flights from Lisbon to Portland. There are no popular flight routes from Lisbon to Portland.
Search flight deals

Frequently asked questions about flying from Lisbon to Portland

  • How far is Lisbon Humberto Delgado to Portland by plane?

    Lisbon Humberto Delgado and Portland are 5304.2 mi apart from one another. In terms of flight time, this usually takes a little over 14h 10m.

  • When did momondo last update prices for flights from Lisbon Humberto Delgado Airport to Portland Airport?

    Prices for flights from Lisbon Humberto Delgado Airport to Portland Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lisbon Humberto Delgado Airport to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lisbon Humberto Delgado Airport to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Lisbon to Portland

Compare and see reviews for airlines that fly from Lisbon to Portland with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $863Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Vancouver
Cannon Beach
Salem
Astoria
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Tigard
Depoe Bay
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
Kelso
Wilsonville

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Lisbon to Portland. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Lisbon to Portland on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Lisbon to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Lisbon to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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