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Lisbon

$325+ Cheap flights from Oregon to Lisbon (LIS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Oregon to Lisbon

Cheapest flights from Oregon to Lisbon
Explore the most affordable flight options available from Oregon to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:15 pmPDX - LIS
2 stops33h 40mMultiple Airlines
Tue 1/276:10 amLIS - PDX
2 stops40h 30mMultiple Airlines
Deal found 12/17$602
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:19 pmBOI - LIS
2 stops54h 41mDelta
Mon 1/1211:25 amLIS - BOI
2 stops35h 52mDelta
Deal found 12/16$629
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:55 pmBOI - LIS
2 stops59h 05mDelta
Sun 1/115:00 amLIS - BOI
2 stops39h 00mDelta
Deal found 12/16$742
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 amBOI - LIS
2 stops46h 15mUnited Airlines
Sun 1/1111:20 amLIS - BOI
2 stops41h 03mUnited Airlines
Deal found 12/16$749
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amPDX - LIS
1 stop17h 40mDelta
Sun 1/115:30 amLIS - PDX
2 stops21h 20mDelta
Deal found 12/17$754
This KLM deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:25 pmPDX - LIS
1 stop25h 45mKLM
Tue 1/273:30 pmLIS - PDX
1 stop27h 55mKLM
Deal found 12/16$755
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:20 amBOI - LIS
2 stops18h 55mUnited Airlines
Mon 1/1211:20 amLIS - BOI
2 stops33h 15mUnited Airlines
Deal found 12/16$811
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:55 pmBOI - LIS
2 stops59h 05mDelta
Fri 1/95:30 amLIS - BOI
2 stops19h 58mDelta
Deal found 12/16$812
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 amBOI - LIS
2 stops46h 15mUnited Airlines
Wed 1/77:50 pmLIS - BOI
2 stops34h 07mUnited Airlines
Deal found 12/16$926
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:12 pmBOI - LIS
2 stops34h 03mUnited Airlines
Fri 1/95:00 amLIS - BOI
2 stops39h 35mUnited Airlines
Deal found 12/16$950
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:12 pmBOI - LIS
2 stops34h 03mUnited Airlines
Thu 1/86:10 amLIS - BOI
2 stops34h 56mUnited Airlines
Deal found 12/16$952
This Delta deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:19 pmBOI - LIS
2 stops54h 41mDelta
Sat 1/105:00 amLIS - BOI
2 stops20h 28mDelta
Deal found 12/16$962

Find flight deals from Oregon to Lisbon

Keep the following information in mind while searching for Oregon to Lisbon flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$472
(Mytrip)

One-way from

$325
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$1,013
Provider with most accurate pricing for Portland-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Lisbon Humberto Delgado flights.
Search Deals
From Oregon to Lisbon Humberto Delgado
Search Deals
One-way flight from Oregon to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oregon 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Oregon to Lisbon that are best for you.

Fly from

Oregon

Fly to

Lisbon

Route

Depart

Return

Price

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Fri 1/16

6:10 am-8:10 am

2 stops19h 00m

Lisbon Humberto Delgado

Thu 1/29

5:00 am-7:51 pm

2 stops21h 51m

$486

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 2/2

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Tue 2/10

11:25 am-11:25 am

1 stop32h 00m

$487

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 2/2

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Fri 2/13

5:00 am-11:25 am

1 stop14h 25m

$487

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Mon 2/2

7:00 am-8:00 am

1 stop17h 00m

Lisbon Humberto Delgado

Sat 2/14

11:25 am-11:25 am

1 stop32h 00m

$487

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Fri 1/16

6:10 am-8:10 am

2 stops19h 00m

Lisbon Humberto Delgado

Tue 1/20

11:20 am-10:57 pm

2 stops42h 37m

$491

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Fri 1/30

7:00 am-3:10 pm

2 stops24h 10m

Lisbon Humberto Delgado

Fri 2/6

5:00 am-11:25 am

1 stop14h 25m

$491

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 2/18

9:15 am-5:30 pm

2 stops24h 15m

Lisbon Humberto Delgado

Wed 2/25

5:00 am-11:25 am

1 stop14h 25m

$491

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Tue 2/3

7:00 am-11:20 am

2 stops20h 20m

Lisbon Humberto Delgado

Fri 2/13

5:00 am-11:25 am

1 stop14h 25m

$491

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Sun 2/1

5:30 am-5:30 pm

2 stops28h 00m

Lisbon Humberto Delgado

Tue 2/10

11:25 am-11:25 am

1 stop32h 00m

$491

PortlandLisbon

PDX - LIS

PDXLIS

Portland

Wed 2/18

1:25 pm-6:30 pm

1 stop21h 05m

Lisbon Humberto Delgado

Wed 2/25

5:00 am-11:25 am

1 stop14h 25m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 50 results
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Best time to book a flight from Oregon to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oregon to Lisbon

What is the cheapest month to book a flight from Oregon to Lisbon?

Currently, November is the cheapest month in which you can book a flight from Oregon to Lisbon (average of $434). Flying from Oregon to Lisbon in June is currently the most expensive (average of $969). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from OR to LIS?

Find hourly flight availability from Oregon to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 19% on flights from Oregon to Lisbon by exploring options for tickets in the evening.

What is the cheapest day to fly from Oregon to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Oregon to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oregon to Lisbon flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Oregon to Lisbon?

Related info for your journey

Find useful and relevant information for your journey from Oregon to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Lisbon from Oregon?

    If you book a flight to Lisbon from Oregon, you will be flying to Humberto Delgado, which is the city’s only airport. Lisbon Humberto Delgado (LIS) is located 4.2 mi from the center of Lisbon.

  • How long is the flight from Oregon to Lisbon?

    Departing from Oregon to Lisbon will take you 17h. Oregon and Lisbon are separated by a distance of 5295 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oregon to Lisbon one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $232. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Oregon to Lisbon for a low price.

  • What are the most popular routes from Oregon to Lisbon?

    Most travelers choose Portland - Lisbon Humberto Delgado, Boise Air Term. Gowen Fld - Lisbon Humberto Delgado or Eugene - Lisbon Humberto Delgado when deciding on the best route from Oregon to Lisbon.

  • Can I find deals for flights from Oregon to Lisbon that include hotel bookings?

    Yes. In addition to deals on Oregon to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oregon to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oregon to Lisbon.

  • Can I find deals for business class flights from Oregon to Lisbon?

    Yes. Cheapflights offers flight deals from Oregon to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oregon to Lisbon?

    Currently, November is the cheapest month in which you can book a flight from Oregon to Lisbon (average of $434). Flying from Oregon to Lisbon in June is currently the most expensive (average of $969). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
Sesimbra
Colares

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Alternative routes for Oregon to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Oregon to Lisbon

Discover the top 8 airlines that operate flights from Oregon to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$360Average$492FlexibilityNo cancel feeOn-time76%
DeltaCheapest$479Average$906FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$558Average$854FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$564Average$793FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$586Average$949FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$614Average$905FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$634Average$1,027FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$692Average$1,074FlexibilityNo cancel feeOn-time76%

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