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Cheap flights from Eugene to Porto from $737

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Eugene to Porto departing on 1/11. 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

Find the cheapest flights from Eugene to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 3:20 pmEUG  Eugene-OPO Porto
26h 20m3 stops Denver Intl Houston George Bush Intcntl Frankfurt am Main
United Airlines Logo
6:00 am - 9:38 pmOPO  Porto-EUG Eugene
23h 38m2 stops Frankfurt am Main Denver Intl
$737United Airlines
Mon, Jan 11 - Thu, Jan 14
United Airlines Logo
5:00 am - 3:20 pmEUG  Eugene-OPO Porto
26h 20m2 stops Denver Intl Frankfurt am Main
United Airlines Logo
6:00 am - 11:20 pmOPO  Porto-EUG Eugene
25h 20m2 stops Frankfurt am Main San Francisco
$737United Airlines
Mon, Jan 11 - Thu, Jan 14
Delta Logo
6:03 am - 10:00 pmEUG  Eugene-OPO Porto
31h 57m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 11:54 pmOPO  Porto-EUG Eugene
26h 54m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$773Delta
Thu, Nov 12 - Wed, Nov 18
United Airlines Logo
5:00 am - 9:30 amEUG  Eugene-OPO Porto
20h 30m3 stops Denver Intl Houston George Bush Intcntl Newark
United Airlines Logo
12:35 pm - 1:25 pmOPO  Porto-EUG Eugene
32h 50m3 stops Newark Chicago O'Hare Intl Denver Intl
$781United Airlines
Thu, Nov 12 - Wed, Nov 18
United Airlines Logo
5:55 am - 9:30 amEUG  Eugene-OPO Porto
19h 35m2 stops San Francisco Newark
United Airlines Logo
12:35 pm - 1:25 pmOPO  Porto-EUG Eugene
32h 50m3 stops Newark Chicago O'Hare Intl Denver Intl
$781United Airlines
Thu, Nov 12 - Wed, Nov 18
Delta Logo
6:05 am - 3:30 pmEUG  Eugene-OPO Porto
25h 25m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
5:55 am - 11:59 pmOPO  Porto-EUG Eugene
26h 04m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
$948Delta
Sun, Oct 11 - Sun, Oct 18
Delta Logo
6:05 am - 3:25 pmEUG  Eugene-OPO Porto
25h 20m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
5:00 am - 5:01 pmOPO  Porto-EUG Eugene
20h 01m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
$1,001Delta
Fri, Oct 9 - Sat, Oct 17

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United Airlines flights from Eugene to Porto

Our best United Airlines deals on Eugene to Porto flight tickets
United Airlines
Jan 11
EUG5:00 amEugene
26h 20m
3 stops
OPO3:20 pmPorto
Jan 14
OPO6:00 amPorto
23h 38m
2 stops
EUG9:38 pmEugene
$737
United Airlines
Nov 12
EUG5:00 amEugene
20h 30m
3 stops
OPO9:30 amPorto
Nov 18
OPO12:35 pmPorto
32h 50m
3 stops
EUG1:25 pmEugene
$781
United Airlines
Oct 10
EUG12:52 pmEugene
36h 53m
2 stops
OPO9:45 amPorto
Oct 18
OPO11:20 amPorto
56h 30m
2 stops
EUG11:50 amEugene
$949

Delta flights from Eugene to Porto

Our best Delta deals on Eugene to Porto flight tickets
Delta
Nov 12
EUG6:03 amEugene
31h 57m
2 stops
OPO10:00 pmPorto
Nov 18
OPO5:00 amPorto
26h 54m
2 stops
EUG11:54 pmEugene
$773
Delta
Oct 11
EUG6:05 amEugene
25h 25m
2 stops
OPO3:30 pmPorto
Oct 18
OPO5:55 amPorto
26h 04m
2 stops
EUG11:59 pmEugene
$948
Delta
Oct 9
EUG6:05 amEugene
25h 20m
2 stops
OPO3:25 pmPorto
Oct 17
OPO5:00 amPorto
20h 01m
2 stops
EUG5:01 pmEugene
$1,001

momondo Fare Finder

 
Customize your flight search to find flights from Eugene to Porto 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 August 9, 2026.
Use the filters below to find and compare flights from Eugene to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EugenePorto

EUG Eugene - OPO Porto

EUGOPO

Eugene

Mon 1/11

5:00 am-3:20 pm

3 stops26h 20m

Porto

Thu 1/14

6:00 am-9:38 pm

2 stops23h 38m

$737

EugenePorto

EUG Eugene - OPO Porto

EUGOPO

Eugene

Mon 1/11

5:00 am-3:20 pm

2 stops26h 20m

Porto

Thu 1/14

6:00 am-11:20 pm

2 stops25h 20m

$737

EugenePorto

EUG Eugene - OPO Porto

EUGOPO

Eugene

Thu 11/12

6:03 am-10:00 pm

2 stops31h 57m

Porto

Wed 11/18

5:00 am-11:54 pm

2 stops26h 54m

$773

EugenePorto

EUG Eugene - OPO Porto

EUGOPO

Eugene

Thu 11/12

5:00 am-9:30 am

3 stops20h 30m

Porto

Wed 11/18

12:35 pm-1:25 pm

3 stops32h 50m

$781

EugenePorto

EUG Eugene - OPO Porto

EUGOPO

Eugene

Thu 11/12

5:55 am-9:30 am

2 stops19h 35m

Porto

Wed 11/18

12:35 pm-1:25 pm

3 stops32h 50m

$781

EugenePorto

EUG Eugene - OPO Porto

EUGOPO

Eugene

Sun 10/11

6:05 am-3:30 pm

2 stops25h 25m

Porto

Sun 10/18

5:55 am-11:59 pm

2 stops26h 04m

$948
Quickest round-trip

EugenePorto

EUG Eugene - OPO Porto

EUGOPO

Eugene

Fri 10/9

6:05 am-3:25 pm

2 stops25h 20m

Porto

Sat 10/17

5:00 am-5:01 pm

2 stops20h 01m

$1,001

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Eugene to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Eugene to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Eugene to Porto (EUG to OPO) flight deals and tips

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

Fastest flight time

18h 00m

Direct flights

None
The fastest flight from Eugene to Porto takes 18h 00m
There are no direct flights from Eugene to Porto. There are no popular flight routes from Eugene to Porto.
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Frequently asked questions about flying from Eugene to Porto

  • How far is Eugene to Porto by plane?

    The straight-line distance from Eugene to Porto is 5281.4 mi. In terms of flight time, this usually takes a little over 18h 00m.

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

    Prices for flights from Eugene Airport to Porto Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Eugene Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The travel and health documents you'll need for your trip to Porto Airport 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 Porto Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Eugene to Porto

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Eugene from Porto. 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 Porto with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • 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.

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Pinhao
Esposende
Lamego
Chaves
Arcos de Valdevez
Guimarães
Viseu
Espinho
Ponte de Lima
Mesao Frio
Penafiel
Baiao

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Eugene to Porto. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential Eugene to Porto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Porto 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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