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$550+ Cheap flights from Eugene (EUG) to Portugal

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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
EUG — LIS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheap flight deals from Eugene to Portugal

Keep the following information in mind while searching for Eugene to Portugal flight deals. Data was last updated July 31, 2025.

Round-trip from

$703
(Ovago)

One-way from

$550
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$1,341
From Eugene to Portugal
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One-way flight from Eugene to Portugal
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Highest demand for flights based on searches. 1% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Eugene to Portugal

Cheapest flights from Eugene to Portugal
Explore the most affordable flight options available from Eugene to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Ovago deal was found by Cheapflights users on 7/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:52 pmEUG - LIS
2 stops21h 38mLufthansa
Mon 11/1012:30 pmLIS - EUG
2 stops37h 21mLufthansa
Deal found 7/30$703
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/306:52 pmEUG - LIS
3 stops30h 18mUnited Airlines
Mon 11/105:00 amLIS - EUG
2 stops24h 38mUnited Airlines
Deal found 7/30$789
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/135:45 pmEUG - LIS
2 stops21h 25mMultiple Airlines
Sat 9/207:10 amLIS - EUG
2 stops23h 33mMultiple Airlines
Deal found 7/30$1,004
This Gurufare deal was found by Cheapflights users on 7/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:57 pmEUG - OPO
2 stops25h 23mLufthansa
Sat 9/2012:35 pmOPO - EUG
2 stops18h 15mLufthansa
Deal found 7/30$1,099
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:30 amEUG - OPO
3 stops30h 50mMultiple Airlines
Sat 9/2010:00 pmOPO - EUG
3 stops33h 58mMultiple Airlines
Deal found 7/30$2,586

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 July 31, 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

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 10/30

6:52 pm-11:30 pm

2 stops21h 38m

Lisbon Humberto Delgado

Mon 11/10

12:30 pm-5:51 pm

2 stops37h 21m

$703

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 10/30

6:52 pm-8:10 am

3 stops30h 18m

Lisbon Humberto Delgado

Mon 11/10

5:00 am-9:38 pm

2 stops24h 38m

$789

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Sat 9/13

5:45 pm-11:10 pm

2 stops21h 25m

Lisbon Humberto Delgado

Sat 9/20

7:10 am-10:43 pm

2 stops23h 33m

$1,004

EugenePorto

EUG - OPO

EUGOPO

Eugene

Sat 9/13

1:57 pm-11:20 pm

2 stops25h 23m

Porto

Sat 9/20

12:35 pm-10:50 pm

2 stops18h 15m

$1,099

EugenePorto

EUG - OPO

EUGOPO

Eugene

Sat 9/13

6:30 am-9:20 pm

3 stops30h 50m

Porto

Sat 9/20

10:00 pm-11:58 pm

3 stops33h 58m

$2,586

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 8/28

6:00 am-6:00 pm

3 stops28h 00m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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, January is the cheapest month in which you can book a flight from Eugene to Portugal (average of $612). Flying from Eugene to Portugal in June is currently the most expensive (average of $1,129). 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 July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Eugene to Portugal as you normally would.

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 July 31, 2025.
Peruse reviews from past customers who have flown with United Airlines and Lufthansa 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
8,896 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,269 reviews
United Airlines
7.4
Good
8,896 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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, January is the cheapest month in which you can book a flight from Eugene to Portugal (average of $612). Flying from Eugene to Portugal in June is currently the most expensive (average of $1,129). 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 2 airlines flying from Eugene to Portugal

Discover the top 2 airlines 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$647Average$1,291FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$755Average$1,100FlexibilityNo cancel feeOn-time69%

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