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Portugal

$491+ Cheap flights from Eugene (EUG) to Portugal

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — LIS
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheap flight deals from Eugene to Portugal

Best flights from Eugene to Portugal
Discover carefully curated flight deals from Eugene to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2025.

This FlightHub deal was found by Cheapflights users on 12/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/51:17 pmEUG - OPO
2 stops17h 28mLufthansa
Fri 3/136:00 amOPO - EUG
2 stops24h 08mLufthansa
Deal found 12/20$491
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 2/55:00 amEUG - LIS
2 stops19h 10mUnited Airlines
Thu 2/125:00 amLIS - EUG
2 stops26h 08mUnited Airlines
Deal found 12/21$494
This Air France deal was found by Cheapflights users on 12/22. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3011:30 amEUG - LIS
2 stops26h 55mMultiple Airlines
Tue 3/317:45 pmLIS - EUG
2 stops36h 05mMultiple Airlines
Deal found 12/22$500
This Delta deal was found by Cheapflights users on 12/20. 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 3/511:25 amEUG - LIS
2 stops22h 05mDelta
Fri 3/135:00 amLIS - EUG
2 stops25h 49mDelta
Deal found 12/20$501
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 3/55:00 amEUG - LIS
2 stops18h 55mUnited Airlines
Fri 3/136:10 amLIS - EUG
2 stops21h 57mUnited Airlines
Deal found 12/21$499
This Finnair deal was found by Cheapflights users on 12/22. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:20 amEUG - LIS
2 stops19h 45mMultiple Airlines
Fri 3/1311:05 amLIS - EUG
2 stops19h 10mMultiple Airlines
Deal found 12/22$511
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Fri 1/306:00 amEUG - LIS
2 stops23h 20mUnited Airlines
Tue 2/35:00 amLIS - EUG
2 stops24h 18mUnited Airlines
Deal found 12/19$502
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Thu 2/56:00 amEUG - OPO
2 stops24h 45mUnited Airlines
Mon 2/96:00 amOPO - EUG
2 stops25h 09mUnited Airlines
Deal found 12/19$506
This United Airlines deal was found by Cheapflights users on 12/21. 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 4/145:00 amEUG - LIS
2 stops21h 30mUnited Airlines
Fri 5/111:25 amLIS - EUG
2 stops32h 03mUnited Airlines
Deal found 12/21$650
This United Airlines deal was found by Cheapflights users on 12/21. 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 4/145:00 amEUG - LIS
2 stops21h 30mUnited Airlines
Wed 4/291:00 pmLIS - EUG
2 stops42h 20mUnited Airlines
Deal found 12/21$653
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 4/132:00 pmEUG - LIS
2 stops24h 45mUnited Airlines
Fri 5/111:25 amLIS - EUG
2 stops32h 03mUnited Airlines
Deal found 12/21$653
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:00 amEUG - OPO
3 stops20h 45mMultiple Airlines
Fri 3/138:20 amOPO - EUG
3 stops20h 11mMultiple Airlines
Deal found 12/20$6,934

Find flight deals from Eugene to Portugal

Keep the following information in mind while searching for Eugene to Portugal flight deals. Data was last updated December 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$491
(FlightHub)

Popular in

March

Cheapest in

November

Average price

$1,442
Provider with most accurate pricing for Eugene-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Eugene-Lisbon Humberto Delgado flights.
Search Deals
From Eugene to Portugal
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($33 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 Eugene to Portugal 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 22, 2025.
Use the filters below to find and compare flights from Eugene to Portugal that are best for you.

Fly from

Eugene

Fly to

Portugal

Route

Depart

Return

Price

EugenePorto

EUG - OPO

EUGOPO

Eugene

Thu 3/5

1:17 pm-2:45 pm

2 stops17h 28m

Porto

Fri 3/13

6:00 am-11:08 pm

2 stops24h 08m

$491

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 2/5

5:00 am-8:10 am

2 stops19h 10m

Lisbon Humberto Delgado

Thu 2/12

5:00 am-11:08 pm

2 stops26h 08m

$494

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 3/5

5:00 am-7:55 am

2 stops18h 55m

Lisbon Humberto Delgado

Fri 3/13

6:10 am-9:07 pm

2 stops21h 57m

$499

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Fri 1/30

11:30 am-10:25 pm

2 stops26h 55m

Lisbon Humberto Delgado

Tue 3/31

7:45 pm-11:50 pm

2 stops36h 05m

$500

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 3/5

11:25 am-5:30 pm

2 stops22h 05m

Lisbon Humberto Delgado

Fri 3/13

5:00 am-11:49 pm

2 stops25h 49m

$501

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Fri 1/30

6:00 am-1:20 pm

2 stops23h 20m

Lisbon Humberto Delgado

Tue 2/3

5:00 am-9:18 pm

2 stops24h 18m

$502

EugenePorto

EUG - OPO

EUGOPO

Eugene

Thu 2/5

6:00 am-2:45 pm

2 stops24h 45m

Porto

Mon 2/9

6:00 am-11:09 pm

2 stops25h 09m

$506

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 3/5

5:20 am-9:05 am

2 stops19h 45m

Lisbon Humberto Delgado

Fri 3/13

11:05 am-11:15 pm

2 stops19h 10m

$511

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Tue 4/14

5:00 am-10:30 am

2 stops21h 30m

Lisbon Humberto Delgado

Fri 5/1

11:25 am-11:28 am

2 stops32h 03m

$650

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Tue 4/14

5:00 am-10:30 am

2 stops21h 30m

Lisbon Humberto Delgado

Wed 4/29

1:00 pm-11:20 pm

2 stops42h 20m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 12 results
1
2

Best time to book a flight from Eugene to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Eugene 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 Eugene to Portugal

What is the cheapest month to book a flight from Eugene to Portugal?

Currently, February is the cheapest month in which you can book a flight from Eugene to Portugal (average of $567). Flying from Eugene to Portugal in June is currently the most expensive (average of $1,299). 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 EUG to PT?

Find hourly flight availability from Eugene to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 22, 2025.

It’s typically best to fly out from Eugene to Portugal in the afternoon. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated December 22, 2025.
Peruse reviews from past customers who have flown with United Airlines from Eugene to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,102 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.
United Airlines
7.4
Good
9,102 reviews
United Airlines
7.4
Good
9,102 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Michelle,Dec 2025

DEN - MKE

I liked that the plane waited 5 minutes for a family whose incoming plane was late. This was the last flight of the day to MKE. Flight attendants actually checked in throughout the flight. Although, not really friendly. Happy to see screens on seat backs again. This is my first time not flying first class in over 10 years. It was economy plus.

Related info for your journey

Find useful and relevant information for your journey from Eugene to Portugal. 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 from for flights from Eugene to Portugal?

    Eugene (EUG) is the airport you will fly out of if you book a flight from Eugene to Portugal. It is only a 7.8 mi journey to Eugene (EUG) from Eugene’s city center.

  • How long is the flight from Eugene to Portugal?

    Airlines like Lufthansa, United Airlines, and Delta fly from Eugene to Portugal in about 17h 28m. The time it takes to get you to your destination can typically vary by up to 4h 37m. The distance from Eugene to Portugal is about 5276 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Eugene to Portugal that include hotel bookings?

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

  • How can I find direct flights from Eugene to Portugal?

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

  • Can I find deals for business class flights from Eugene to Portugal?

    Yes. Cheapflights offers flight deals from Eugene to Portugal 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 Eugene to Portugal?

    Currently, February is the cheapest month in which you can book a flight from Eugene to Portugal (average of $567). Flying from Eugene to Portugal in June is currently the most expensive (average of $1,299). 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

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Top airline flying from Eugene to Portugal

Discover the top airline that operate flights from Eugene to Portugal. 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$744Average$1,100FlexibilityNo cancel feeOn-time69%

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