What is the cheapest airline that flies from Portugal to Oregon?

British Airways is the most popular carrier operating from Portugal to Oregon

What airlines fly to Oregon?

British Airways, United Airlines and KLM are the top three most popular airlines that fly to Oregon from Portugal according to our data. British Airways is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Oregon. Keep in mind that there are 4 different airlines that fly to Oregon on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portugal to Oregon?

Prices for flights from Portugal to Oregon were last updated today.

How many operators does momondo search for flights from Portugal to Oregon?

The number of operators available for flights from Portugal to Oregon is 3 as of November 2025.

How old do you have to be to fly from Portugal to Oregon?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Oregon.

What documentation or ID do you need to fly to Oregon?

The required travel and health documents for your Oregon trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$530 Cheap Flights from Portugal to Oregon in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Portugal to Oregon

Round-trip

One-way

Recent round-trip flight deals from Portugal to Oregon

Enter your travel dates to find the best prices.

5:00 am - 6:30 pmLIS-PDX

21h 30m2 stops

5:00 am - 9:20 amPDX-LIS

20h 20m2 stops

$856Multiple Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 16

5:00 am - 10:53 pmLIS-PDX

25h 53m2 stops

8:30 am - 8:10 amPDX-LIS

15h 40m2 stops

$860United Airlines

Find Deal

Fri, Jan 16 - Tue, Jan 20

5:00 am - 9:15 pmLIS-PDX

24h 15m2 stops

7:30 am - 10:15 amPDX-LIS

19h 45m2 stops

$862United Airlines

Find Deal

Wed, Dec 10 - Tue, Mar 10

5:00 am - 6:45 pmLIS-PDX

21h 45m2 stops

7:00 am - 11:30 amPDX-LIS

20h 30m2 stops

$868Lufthansa

Find Deal

Thu, Dec 4 - Mon, Dec 8

11:00 am - 9:15 amLIS-PDX

30h 15m2 stops

7:00 pm - 8:55 amPDX-LIS

29h 55m2 stops

$869Air Canada

Find Deal

Wed, Dec 3 - Tue, Dec 16

11:25 am - 11:25 amLIS-PDX

32h 00m1 stop

6:15 am - 8:00 amPDX-LIS

17h 45m2 stops

$872Multiple Airlines

Find Deal

Tue, Dec 2 - Wed, Dec 10

8:55 am - 11:06 pmLIS-PDX

22h 11m2 stops

5:45 pm - 5:40 pmPDX-LIS

15h 55m1 stop

$878American Airlines

Find Deal

Thu, Dec 18 - Wed, Dec 31

5:30 pm - 2:40 pmLIS-PDX

29h 10m2 stops

3:45 pm - 8:25 pmPDX-LIS

21h 40m3 stops

$881Multiple Airlines

Find Deal

Wed, Dec 10 - Tue, Mar 10

5:30 pm - 6:30 pmLIS-PDX

33h 00m3 stops

3:45 pm - 8:25 pmPDX-LIS

21h 40m3 stops

$887Multiple Airlines

Find Deal

Wed, Dec 10 - Tue, Mar 10

10:15 am - 10:57 pmLIS-PDX

20h 42m2 stops

7:00 am - 10:15 amPDX-LIS

19h 15m2 stops

$891United Airlines

Find Deal

Tue, Dec 2 - Wed, Dec 10

Delta flights from Portugal to Oregon

Our best Delta deals on Portugal to Oregon flight tickets

Delta

Jan 16

LIS5:00 amLisbon Humberto Delgado

14h 25m

1 stop

PDX11:25 amPortland

Jan 20

PDX7:10 amPortland

20h 10m

2 stops

LIS11:20 amLisbon Humberto Delgado

$910

Find similar

Delta

Jan 16

LIS5:00 amLisbon Humberto Delgado

14h 25m

1 stop

PDX11:25 amPortland

Jan 20

PDX7:00 amPortland

17h 00m

1 stop

LIS8:00 amLisbon Humberto Delgado

$912

Find similar

Delta

Dec 2

LIS11:25 amLisbon Humberto Delgado

32h 00m

1 stop

PDX11:25 amPortland

Dec 15

PDX5:30 amPortland

18h 30m

2 stops

LIS8:00 amLisbon Humberto Delgado

$914

Find similar

United Airlines flights from Portugal to Oregon

Our best United Airlines deals on Portugal to Oregon flight tickets

United Airlines

Jan 16

LIS5:00 amLisbon Humberto Delgado

25h 53m

2 stops

PDX10:53 pmPortland

Jan 20

PDX8:30 amPortland

15h 40m

2 stops

LIS8:10 amLisbon Humberto Delgado

$860

Find similar

United Airlines

Dec 10

LIS5:00 amLisbon Humberto Delgado

24h 15m

2 stops

PDX9:15 pmPortland

Mar 10

PDX7:30 amPortland

19h 45m

2 stops

LIS10:15 amLisbon Humberto Delgado

$862

Find similar

United Airlines

Dec 2

LIS11:55 amLisbon Humberto Delgado

20h 42m

2 stops

PDX12:37 amPortland

Dec 13

PDX5:00 amPortland

21h 15m

2 stops

LIS10:15 amLisbon Humberto Delgado

$891

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 12/3

5:00 am-6:30 pm

2 stops21h 30m

Portland

Tue 12/16

5:00 am-9:20 am

2 stops20h 20m

$856

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Fri 1/16

5:00 am-10:53 pm

2 stops25h 53m

Portland

Tue 1/20

8:30 am-8:10 am

2 stops15h 40m

$860

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 12/10

5:00 am-9:15 pm

2 stops24h 15m

Portland

Tue 3/10

7:30 am-10:15 am

2 stops19h 45m

$862

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/4

5:00 am-6:45 pm

2 stops21h 45m

Portland

Mon 12/8

7:00 am-11:30 am

2 stops20h 30m

$868

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 12/3

11:00 am-9:15 am

2 stops30h 15m

Portland

Tue 12/16

7:00 pm-8:55 am

2 stops29h 55m

$869

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Tue 12/2

11:25 am-11:25 am

1 stop32h 00m

Portland

Wed 12/10

6:15 am-8:00 am

2 stops17h 45m

$872

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Thu 12/18

8:55 am-11:06 pm

2 stops22h 11m

Portland

Wed 12/31

5:45 pm-5:40 pm

1 stop15h 55m

$878

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 12/10

5:30 pm-2:40 pm

2 stops29h 10m

Portland

Tue 3/10

3:45 pm-8:25 pm

3 stops21h 40m

$881

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Wed 12/10

5:30 pm-6:30 pm

3 stops33h 00m

Portland

Tue 3/10

3:45 pm-8:25 pm

3 stops21h 40m

$887

LisbonPortland

LIS - PDX

LISPDX

Lisbon Humberto Delgado

Tue 12/2

10:15 am-10:57 pm

2 stops20h 42m

Portland

Wed 12/10

7:00 am-10:15 am

2 stops19h 15m

$891

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 Portugal to Oregon

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

What is the cheapest month to fly to Oregon?

The month of February is, on average, the cheapest month to fly to Oregon from Portugal, with most prices found around $780. The month of November is another great option to travel to Oregon, with average flight prices from Portugal averaging around $791.

What is the cheapest day to depart on your flight to Oregon?

On average, the least expensive day to fly to Oregon from Portugal is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $850. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Oregon is Friday, with ticket prices averaging around $1,107.

Cheap Portugal to Oregon flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to Oregon

Direct flights	None

There are no direct flights from Portugal to Oregon. There are no popular flight routes from Portugal to Oregon.

Search flight deals

When did momondo last update prices for flights from Portugal to Oregon?
Prices for flights from Portugal to Oregon were last updated today.
How many operators does momondo search for flights from Portugal to Oregon?
The number of operators available for flights from Portugal to Oregon is 3 as of November 2025.
How old do you have to be to fly from Portugal to Oregon?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portugal to Oregon.
What documentation or ID do you need to fly to Oregon?
The required travel and health documents for your Oregon trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oregon. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portugal to Oregon

Compare and see reviews for airlines that fly from Portugal to Oregon with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $757	Free Cancellation	Rating 6.7 7,533 reviews	Search British Airways flights
Delta	PriceFrom $759	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
KLM	PriceFrom $786	Free Cancellation	Rating 7.7 1,414 reviews	Search KLM flights
United Airlines	PriceFrom $863	Free Cancellation	Rating 7.4 9,029 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to Oregon?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portugal to Oregon for you.

Can I find flights from Portugal to Oregon with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portugal to Oregon flights to just show those with flexible booking policies.

How can momondo help me find flights from Portugal to Oregon?

Once you have performed a search for Portugal to Oregon 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 Portugal to Oregon right now. Can momondo alert me if prices change?

Price alerts on flights to Oregon from Portugal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.