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Cheap flights from Eugene to Portugal from $717

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Eugene to Portugal departing on 6/29. 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 Eugene to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:40 pm - 5:30 pm
EUG
-
LIS
21h 50m
2 stops
Multiple Airlines Logo
11:30 am - 3:58 pm
LIS
-
EUG
36h 28m
2 stops
$731Multiple Airlines
Mon, Oct 26 - Mon, Nov 9
United Airlines Logo
7:05 pm - 9:50 am
EUG
-
LIS
31h 45m
3 stops
United Airlines Logo
12:25 pm - 6:08 pm
LIS
-
EUG
37h 43m
2 stops
$749United Airlines
Mon, Oct 26 - Mon, Nov 9
Lufthansa Logo
7:05 pm - 11:55 pm
EUG
-
OPO
20h 50m
2 stops
Lufthansa Logo
6:00 am - 9:44 pm
OPO
-
EUG
23h 44m
2 stops
$763Lufthansa
Thu, Nov 12 - Wed, Nov 18
Lufthansa Logo
12:57 pm - 12:50 pm
EUG
-
OPO
39h 53m
2 stops
Lufthansa Logo
6:00 am - 9:44 pm
OPO
-
EUG
23h 44m
2 stops
$769Lufthansa
Thu, Nov 12 - Wed, Nov 18
Lufthansa Logo
7:05 pm - 11:30 pm
EUG
-
LIS
20h 25m
2 stops
Lufthansa Logo
5:00 am - 9:44 pm
LIS
-
EUG
24h 44m
2 stops
$770Lufthansa
Thu, Nov 12 - Wed, Nov 18
Lufthansa Logo
1:58 pm - 11:30 pm
EUG
-
LIS
25h 32m
2 stops
Lufthansa Logo
5:00 am - 11:20 pm
LIS
-
EUG
26h 20m
2 stops
$771Lufthansa
Thu, Nov 12 - Wed, Nov 18
United Airlines Logo
5:27 am - 8:10 am
EUG
-
LIS
18h 43m
2 stops
United Airlines Logo
11:20 am - 11:33 am
LIS
-
EUG
32h 13m
2 stops
$772United Airlines
Thu, Nov 12 - Wed, Nov 18
United Airlines Logo
5:27 am - 9:30 am
EUG
-
OPO
20h 03m
2 stops
United Airlines Logo
6:00 am - 9:44 pm
OPO
-
EUG
23h 44m
2 stops
$772United Airlines
Thu, Nov 12 - Wed, Nov 18
American Airlines Logo
6:30 am - 11:10 pm
EUG
-
LIS
32h 40m
2 stops
American Airlines Logo
11:05 am - 1:03 pm
LIS
-
EUG
33h 58m
2 stops
$882American Airlines
Mon, Aug 3 - Wed, Aug 19
Iberia Logo
8:18 am - 4:00 pm
EUG
-
OPO
23h 42m
2 stops
Iberia Logo
4:40 pm - 9:38 pm
OPO
-
EUG
36h 58m
2 stops
$1,370Iberia
Tue, Jul 14 - Mon, Jul 20

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United Airlines flights from Eugene to Portugal

Our best United Airlines deals on Eugene to Portugal flight tickets
United Airlines
Oct 26
EUG7:05 pmEugene
31h 45m
3 stops
LIS9:50 amLisbon Humberto Delgado
Nov 9
LIS12:25 pmLisbon Humberto Delgado
37h 43m
2 stops
EUG6:08 pmEugene
$749
United Airlines
Nov 12
EUG5:27 amEugene
18h 43m
2 stops
LIS8:10 amLisbon Humberto Delgado
Nov 18
LIS11:20 amLisbon Humberto Delgado
32h 13m
2 stops
EUG11:33 amEugene
$772
United Airlines
Oct 12
EUG6:00 amEugene
21h 00m
2 stops
LIS11:00 amLisbon Humberto Delgado
Nov 4
LIS1:00 pmLisbon Humberto Delgado
42h 20m
2 stops
EUG11:20 pmEugene
$776

Lufthansa flights from Eugene to Portugal

Our best Lufthansa deals on Eugene to Portugal flight tickets
Lufthansa
Nov 12
EUG7:05 pmEugene
20h 50m
2 stops
OPO11:55 pmPorto
Nov 18
OPO6:00 amPorto
23h 44m
2 stops
EUG9:44 pmEugene
$763
Lufthansa
Nov 12
EUG12:57 pmEugene
39h 53m
2 stops
OPO12:50 pmPorto
Nov 18
OPO6:00 amPorto
23h 44m
2 stops
EUG9:44 pmEugene
$769
Lufthansa
Nov 12
EUG7:05 pmEugene
20h 25m
2 stops
LIS11:30 pmLisbon Humberto Delgado
Nov 18
LIS5:00 amLisbon Humberto Delgado
24h 44m
2 stops
EUG9:44 pmEugene
$770

momondo 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, momondo users made 832,500 searches. Data last updated June 21, 2026.
Use the filters below to find and compare flights from Eugene to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Mon 10/26

12:40 pm-5:30 pm

2 stops21h 50m

Lisbon Humberto Delgado

Mon 11/9

11:30 am-3:58 pm

2 stops36h 28m

$731

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Mon 10/26

7:05 pm-9:50 am

3 stops31h 45m

Lisbon Humberto Delgado

Mon 11/9

12:25 pm-6:08 pm

2 stops37h 43m

$749

EugenePorto

EUG - OPO

EUGOPO

Eugene

Thu 11/12

7:05 pm-11:55 pm

2 stops20h 50m

Porto

Wed 11/18

6:00 am-9:44 pm

2 stops23h 44m

$763

EugenePorto

EUG - OPO

EUGOPO

Eugene

Thu 11/12

12:57 pm-12:50 pm

2 stops39h 53m

Porto

Wed 11/18

6:00 am-9:44 pm

2 stops23h 44m

$769

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 11/12

7:05 pm-11:30 pm

2 stops20h 25m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-9:44 pm

2 stops24h 44m

$770

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 11/12

1:58 pm-11:30 pm

2 stops25h 32m

Lisbon Humberto Delgado

Wed 11/18

5:00 am-11:20 pm

2 stops26h 20m

$771

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 11/12

5:27 am-8:10 am

2 stops18h 43m

Lisbon Humberto Delgado

Wed 11/18

11:20 am-11:33 am

2 stops32h 13m

$772
Quickest round-trip

EugenePorto

EUG - OPO

EUGOPO

Eugene

Thu 11/12

5:27 am-9:30 am

2 stops20h 03m

Porto

Wed 11/18

6:00 am-9:44 pm

2 stops23h 44m

$772

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Mon 8/3

6:30 am-11:10 pm

2 stops32h 40m

Lisbon Humberto Delgado

Wed 8/19

11:05 am-1:03 pm

2 stops33h 58m

$882

EugenePorto

EUG - OPO

EUGOPO

Eugene

Tue 7/14

8:18 am-4:00 pm

2 stops23h 42m

Porto

Mon 7/20

4:40 pm-9:38 pm

2 stops36h 58m

$1,370

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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Cheap Eugene to Portugal flight deals and tips

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

Fastest flight time

19h 20m

Direct flights

None
The fastest flight from Eugene to Portugal takes 19h 20m
There are no direct flights from Eugene to Portugal. There are no popular flight routes from Eugene to Portugal.
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Frequently asked questions about flying from Eugene to Portugal

  • When did momondo last update prices for flights from Eugene Airport to Portugal?

    Prices for flights from Eugene Airport to Portugal refresh daily.

  • How many operators does momondo search for flights from Eugene Airport to Portugal?

  • How old do you have to be to fly from Eugene Airport to Portugal?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Eugene Airport to Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Eugene to Portugal

Compare and see reviews for airlines that fly from Eugene to Portugal with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $500Free CancellationRating
7.8
8,423 reviews
Search Delta flights

Frequently asked questions about flying from Eugene to Portugal

  • How do I get Price Alerts for flights from Eugene to Portugal?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Eugene from Portugal. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Eugene to Portugal with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from Eugene.

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

Yes. momondo enables you to select and highlight flights to Portugal from Eugene with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portugal from Eugene.

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

Price alerts on flights to Portugal from Eugene 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.

An easier way to manage your Portugal trip

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Find better results for your trip to Portugal

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