Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to Porto from $339

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:34 pm - 11:15 amSAN  San Diego-OPO Porto
37h 41m2 stops San Francisco Zurich
Multiple Airlines Logo
6:00 am - 12:00 pmOPO  Porto-SAN San Diego
38h 00m2 stops Frankfurt am Main Toronto Pearson Intl
$713Multiple Airlines
Tue, Feb 16 - Tue, Feb 23
Multiple Airlines Logo
4:05 pm - 6:30 pmSAN  San Diego-OPO Porto
18h 25m2 stops San Francisco Zurich
Multiple Airlines Logo
6:00 am - 9:14 pmOPO  Porto-SAN San Diego
23h 14m2 stops Frankfurt am Main Denver Intl
$715Multiple Airlines
Tue, Mar 2 - Tue, Mar 9
Delta Logo
6:15 am - 10:35 amSAN  San Diego-OPO Porto
20h 20m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 12:10 pmOPO  Porto-SAN San Diego
15h 10m1 stop Amsterdam Schiphol
$726Delta
Tue, Mar 2 - Tue, Mar 9
Delta Logo
6:15 am - 10:35 amSAN  San Diego-OPO Porto
20h 20m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
5:00 am - 12:10 pmOPO  Porto-SAN San Diego
15h 10m1 stop Amsterdam Schiphol
$726Delta
Tue, Feb 9 - Tue, Feb 16
KLM Logo
2:05 pm - 3:25 pmSAN  San Diego-OPO Porto
17h 20m1 stop Amsterdam Schiphol
KLM Logo
5:00 am - 12:10 pmOPO  Porto-SAN San Diego
15h 10m1 stop Amsterdam Schiphol
$726KLM
Tue, Feb 9 - Tue, Feb 16
United Airlines Logo
7:00 am - 9:30 amSAN  San Diego-OPO Porto
18h 30m1 stop Newark
United Airlines Logo
12:35 pm - 9:23 pmOPO  Porto-SAN San Diego
16h 48m1 stop Newark
$740United Airlines
Mon, Mar 1 - Thu, Mar 4
United Airlines Logo
7:00 am - 9:30 amSAN  San Diego-OPO Porto
18h 30m1 stop Newark
United Airlines Logo
12:35 pm - 9:23 pmOPO  Porto-SAN San Diego
16h 48m1 stop Newark
$741United Airlines
Mon, Mar 1 - Thu, Mar 4
Lufthansa Logo
5:15 pm - 11:25 pmSAN  San Diego-OPO Porto
22h 10m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:20 am - 3:25 pmOPO  Porto-SAN San Diego
17h 05m1 stop Munich Franz Josef Strauss
$779Lufthansa
Mon, May 3 - Tue, May 18
KLM Logo
7:32 am - 8:15 amSAN  San Diego-OPO Porto
16h 43m1 stop New York John F Kennedy Intl
KLM Logo
5:00 am - 12:10 pmOPO  Porto-SAN San Diego
15h 10m1 stop Amsterdam Schiphol
$781KLM
Wed, Dec 2 - Thu, Dec 10
Lufthansa Logo
5:15 pm - 11:25 pmSAN  San Diego-OPO Porto
22h 10m1 stop Munich Franz Josef Strauss
Lufthansa Logo
6:20 am - 3:25 pmOPO  Porto-SAN San Diego
17h 05m1 stop Munich Franz Josef Strauss
$799Lufthansa
Thu, Apr 1 - Tue, Apr 13

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from San Diego to Porto

Our best Delta deals on San Diego to Porto flight tickets
Delta
Feb 9
SAN6:15 amSan Diego
20h 20m
2 stops
OPO10:35 amPorto
Feb 16
OPO5:00 amPorto
15h 10m
1 stop
SAN12:10 pmSan Diego
$726
Delta
Feb 23
SAN6:15 amSan Diego
20h 20m
2 stops
OPO10:35 amPorto
Mar 4
OPO5:00 amPorto
15h 10m
1 stop
SAN12:10 pmSan Diego
$727
Delta
Nov 8
SAN6:15 amSan Diego
20h 20m
2 stops
OPO10:35 amPorto
Nov 17
OPO5:00 amPorto
15h 10m
1 stop
SAN12:10 pmSan Diego
$834

Lufthansa flights from San Diego to Porto

Our best Lufthansa deals on San Diego to Porto flight tickets
Lufthansa
May 3
SAN5:15 pmSan Diego
22h 10m
1 stop
OPO11:25 pmPorto
May 18
OPO6:20 amPorto
17h 05m
1 stop
SAN3:25 pmSan Diego
$779
Lufthansa
Apr 1
SAN5:15 pmSan Diego
22h 10m
1 stop
OPO11:25 pmPorto
Apr 13
OPO6:20 amPorto
17h 05m
1 stop
SAN3:25 pmSan Diego
$799
Lufthansa
Dec 25
SAN11:25 amSan Diego
28h 15m
2 stops
OPO11:40 pmPorto
Jan 12
OPO4:15 pmPorto
36h 23m
2 stops
SAN8:38 pmSan Diego
$885

momondo Fare Finder

 
Use the filters below to find and compare flights from San Diego to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Tue 2/16

1:34 pm-11:15 am

2 stops37h 41m

Porto

Tue 2/23

6:00 am-12:00 pm

2 stops38h 00m

$713

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Tue 3/2

4:05 pm-6:30 pm

2 stops18h 25m

Porto

Tue 3/9

6:00 am-9:14 pm

2 stops23h 14m

$715

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Tue 3/2

6:15 am-10:35 am

2 stops20h 20m

Porto

Tue 3/9

5:00 am-12:10 pm

1 stop15h 10m

$726

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Tue 2/9

6:15 am-10:35 am

2 stops20h 20m

Porto

Tue 2/16

5:00 am-12:10 pm

1 stop15h 10m

$726

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Tue 2/9

2:05 pm-3:25 pm

1 stop17h 20m

Porto

Tue 2/16

5:00 am-12:10 pm

1 stop15h 10m

$726

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Mon 3/1

7:00 am-9:30 am

1 stop18h 30m

Porto

Thu 3/4

12:35 pm-9:23 pm

1 stop16h 48m

$740

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Mon 3/1

7:00 am-9:30 am

1 stop18h 30m

Porto

Thu 3/4

12:35 pm-9:23 pm

1 stop16h 48m

$741

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Mon 5/3

5:15 pm-11:25 pm

1 stop22h 10m

Porto

Tue 5/18

6:20 am-3:25 pm

1 stop17h 05m

$779
Quickest round-trip

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Wed 12/2

7:32 am-8:15 am

1 stop16h 43m

Porto

Thu 12/10

5:00 am-12:10 pm

1 stop15h 10m

$781

San DiegoPorto

SAN San Diego - OPO Porto

SANOPO

San Diego

Thu 4/1

5:15 pm-11:25 pm

1 stop22h 10m

Porto

Tue 4/13

6:20 am-3:25 pm

1 stop17h 05m

$799

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Porto from

How to get the cheapest flight ticket from San Diego to Porto

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 typical price of a round-trip flight between San Diego and Porto?

Prices are currently low for flights on this route.

Typical prices usually range from $794 to $904.
The lowest price recently found on this route was $713.

What is the cheapest month to fly to Porto?

The month of February is, on average, the cheapest month to fly to Porto from San Diego, with most prices found around $585. If you aren’t able to travel during the month of February, then book flights to Porto from San Diego during November instead. Flights to Porto in November, while not as cheap as those in February, still average around $797.

Can stopping save me money on San Diego to Porto flights?

You could potentially save up to 43% on your flight if you consider stops on a San Diego to Porto flight.

When to book flights from San Diego to Porto

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

Cheap San Diego to Porto (SAN to OPO) flight deals and tips

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

Best Price Found

$339

Fastest flight time

17h 20m

Direct flights

None
The best one-way flight to Porto from San Diego in the past 72 hours is $339. The best round-trip flight deal from San Diego to Porto found on momondo in the last 72 hours is $713.
The fastest flight from San Diego to Porto takes 17h 20m
There are no direct flights from San Diego to Porto. There are no popular flight routes from San Diego to Porto.
Search flight deals

Frequently asked questions about flying from San Diego to Porto

  • How far is San Diego to Porto by plane?

    Porto is 5600.8 mi away from San Diego. By plane, this route typically takes 17h 20m.

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

    Prices for flights from San Diego Airport to Porto Airport refresh daily.

  • How many operators does momondo search for flights from San Diego Airport to Porto Airport?

  • How old do you have to be to fly from San Diego 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 San Diego Airport to Porto Airport.

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

    The required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Diego to Porto?

Best airlines flying from San Diego to Porto

Compare and see reviews for airlines that fly from San Diego to Porto with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $151Free CancellationRating
7.8
1,596 reviews
Search KLM flights
DeltaPriceFrom $596Free CancellationRating
7.8
8,700 reviews
Search Delta flights
LufthansaPriceFrom $788Free CancellationRating
6.8
8,299 reviews
Search Lufthansa flights
United AirlinesPriceFrom $797Free CancellationRating
7.3
10,462 reviews
Search United Airlines flights

Traveling to a place near Porto?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Porto for you.

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

momondo does allow users to show only those flights to Porto from San Diego which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Diego to Porto?

Once you have performed a search for San Diego to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for San Diego to Porto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Porto trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 12/6
Sun 12/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Portugal