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Cheap flights from Eugene to Portugal from $523

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 9/1. 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
0 bags

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Find the cheapest flights from Eugene to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:25 pm - 8:10 am
EUG
-
LIS
35h 45m
2 stops
United Airlines Logo
10:15 am - 9:38 pm
LIS
-
EUG
19h 23m
2 stops
$743United Airlines
Sun, Nov 1 - Thu, Nov 5
United Airlines Logo
6:51 pm - 10:15 am
EUG
-
LIS
31h 24m
2 stops
United Airlines Logo
1:00 pm - 11:33 am
LIS
-
EUG
54h 33m
2 stops
$744United Airlines
Sun, Nov 1 - Thu, Nov 5
United Airlines Logo
5:00 am - 7:00 am
EUG
-
OPO
18h 00m
2 stops
United Airlines Logo
11:50 am - 3:28 pm
OPO
-
EUG
35h 38m
2 stops
$918United Airlines
Tue, Jul 28 - Thu, Aug 13
Delta Logo
5:30 am - 8:00 am
EUG
-
LIS
18h 30m
2 stops
Delta Logo
5:00 am - 4:05 pm
LIS
-
EUG
19h 05m
2 stops
$1,221Delta
Wed, Jun 17 - Wed, Jun 24
United Airlines Logo
12:38 pm - 7:10 am
EUG
-
OPO
34h 32m
2 stops
United Airlines Logo
11:50 am - 10:59 pm
OPO
-
EUG
43h 09m
2 stops
$1,363United Airlines
Thu, Jun 18 - Thu, Jun 25
United Airlines Logo
12:38 pm - 11:05 am
EUG
-
LIS
38h 27m
2 stops
United Airlines Logo
11:25 am - 10:59 pm
LIS
-
EUG
43h 34m
2 stops
$1,367United Airlines
Thu, Jun 18 - Thu, Jun 25
United Airlines Logo
5:00 am - 7:00 am
EUG
-
OPO
18h 00m
3 stops
United Airlines Logo
9:00 am - 9:17 pm
OPO
-
EUG
20h 17m
2 stops
$1,724United Airlines
Tue, Jul 28 - Thu, Aug 13
Multiple Airlines Logo
6:13 am - 11:45 am
EUG
-
OPO
21h 32m
3 stops
Multiple Airlines Logo
1:30 pm - 12:59 pm
OPO
-
EUG
31h 29m
3 stops
$1,846Multiple Airlines
Thu, Jun 18 - Thu, Jun 25
Multiple Airlines Logo
1:18 pm - 10:15 pm
EUG
-
LIS
24h 57m
2 stops
Multiple Airlines Logo
5:05 am - 12:23 am
LIS
-
EUG
27h 18m
2 stops
$2,075Multiple Airlines
Thu, Sep 24 - Tue, Oct 6
British Airways Logo
5:48 pm - 10:25 am
EUG
-
OPO
32h 37m
2 stops
British Airways Logo
6:40 pm - 9:10 pm
OPO
-
EUG
34h 30m
2 stops
$6,603British Airways
Wed, Oct 7 - Thu, Jan 7

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Delta flights from Eugene to Portugal

Our best Delta deals on Eugene to Portugal flight tickets
Delta
May 7
EUG5:10 amEugene
26h 15m
2 stops
OPO3:25 pmPorto
May 22
OPO5:00 amPorto
20h 01m
2 stops
EUG5:01 pmEugene
$978
Delta
May 10
EUG6:15 amEugene
31h 45m
2 stops
OPO10:00 pmPorto
May 21
OPO5:00 amPorto
26h 50m
2 stops
EUG11:50 pmEugene
$982
Delta
May 9
EUG5:10 amEugene
26h 15m
2 stops
OPO3:25 pmPorto
May 23
OPO5:00 amPorto
26h 50m
2 stops
EUG11:50 pmEugene
$1,038

United Airlines flights from Eugene to Portugal

Our best United Airlines deals on Eugene to Portugal flight tickets
United Airlines
Nov 1
EUG12:25 pmEugene
35h 45m
2 stops
LIS8:10 amLisbon Humberto Delgado
Nov 5
LIS10:15 amLisbon Humberto Delgado
19h 23m
2 stops
EUG9:38 pmEugene
$743
United Airlines
Nov 1
EUG6:51 pmEugene
31h 24m
2 stops
LIS10:15 amLisbon Humberto Delgado
Nov 5
LIS1:00 pmLisbon Humberto Delgado
54h 33m
2 stops
EUG11:33 amEugene
$744
United Airlines
Jul 28
EUG5:00 amEugene
18h 00m
2 stops
OPO7:00 amPorto
Aug 13
OPO11:50 amPorto
35h 38m
2 stops
EUG3:28 pmEugene
$918

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 May 5, 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

Sun 11/1

12:25 pm-8:10 am

2 stops35h 45m

Lisbon Humberto Delgado

Thu 11/5

10:15 am-9:38 pm

2 stops19h 23m

$743

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Sun 11/1

6:51 pm-10:15 am

2 stops31h 24m

Lisbon Humberto Delgado

Thu 11/5

1:00 pm-11:33 am

2 stops54h 33m

$744

EugenePorto

EUG - OPO

EUGOPO

Eugene

Tue 7/28

5:00 am-7:00 am

2 stops18h 00m

Porto

Thu 8/13

11:50 am-3:28 pm

2 stops35h 38m

$918
Quickest round-trip

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Wed 6/17

5:30 am-8:00 am

2 stops18h 30m

Lisbon Humberto Delgado

Wed 6/24

5:00 am-4:05 pm

2 stops19h 05m

$1,221

EugenePorto

EUG - OPO

EUGOPO

Eugene

Thu 6/18

12:38 pm-7:10 am

2 stops34h 32m

Porto

Thu 6/25

11:50 am-10:59 pm

2 stops43h 09m

$1,363

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 6/18

12:38 pm-11:05 am

2 stops38h 27m

Lisbon Humberto Delgado

Thu 6/25

11:25 am-10:59 pm

2 stops43h 34m

$1,367

EugenePorto

EUG - OPO

EUGOPO

Eugene

Tue 7/28

5:00 am-7:00 am

3 stops18h 00m

Porto

Thu 8/13

9:00 am-9:17 pm

2 stops20h 17m

$1,724

EugenePorto

EUG - OPO

EUGOPO

Eugene

Thu 6/18

6:13 am-11:45 am

3 stops21h 32m

Porto

Thu 6/25

1:30 pm-12:59 pm

3 stops31h 29m

$1,846

EugeneLisbon

EUG - LIS

EUGLIS

Eugene

Thu 9/24

1:18 pm-10:15 pm

2 stops24h 57m

Lisbon Humberto Delgado

Tue 10/6

5:05 am-12:23 am

2 stops27h 18m

$2,075

EugenePorto

EUG - OPO

EUGOPO

Eugene

Wed 10/7

5:48 pm-10:25 am

2 stops32h 37m

Porto

Thu 1/7

6:40 pm-9:10 pm

2 stops34h 30m

$6,603

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Eugene to Portugal

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

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

United Airlines and Austrian Airlines are the most popular carriers operating from Eugene to Portugal

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

18h 00m

Direct flights

None
The fastest flight from Eugene to Portugal takes 18h 00m
There are no direct flights from Eugene to Portugal. There are no popular flight routes from Eugene to Portugal.
Search flight deals

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
United AirlinesPriceFrom $613Free CancellationRating
7.4
9,683 reviews
Search United Airlines flights

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.

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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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