SAN - OPO

$384 Find Cheap Flights from San Diego to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$748
Typical prices: $881-$1,195
United Airlines, Lufthansa
Sat 12/8Tue 12/11
SAN - OPO • 2 stops
Cheapest one-way
$384
Typical prices: $462-$645
Multiple Airlines
Thu 10/18
SAN - OPO • 3 stops
Nonstop flights
Not available
There are currently no direct flights between San Diego and Porto. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
January
Cheapest • 53% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Dallas/Fort Worth (DFW)
Cheapest • Avg $883 (round-trip)
Montreal Pierre Elliott Trudeau Intl (YUL)
Shortest trip • 16h 14m (one-way)
Insights
Insights
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We hope you love your trip to Porto!
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Booking Insights
Flight Deals

Cheap Flights from San Diego to Porto (SAN-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Diego to Porto

Tue, Dec 8 - Fri, Dec 11
Multiple Airlines Logo
7:00 am - 9:30 amSAN  San Diego-OPO Porto
18h 30m2 stops Denver Intl Newark
Multiple Airlines Logo
6:15 am - 3:45 pmOPO  Porto-SAN San Diego
17h 30m1 stop Munich Franz Josef Strauss
$748Multiple Airlines
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
8:50 am - 9:30 amSAN  San Diego-OPO Porto
16h 40m2 stops Denver Intl Newark
United Airlines Logo
6:00 am - 9:57 pmOPO  Porto-SAN San Diego
23h 57m2 stops Frankfurt am Main Chicago O'Hare Intl
$756United Airlines
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
7:00 am - 9:30 amSAN  San Diego-OPO Porto
18h 30m2 stops Denver Intl Newark
United Airlines Logo
12:35 pm - 10:38 pmOPO  Porto-SAN San Diego
18h 03m1 stop Newark
$765United Airlines
Tue, Oct 27 - Tue, Nov 3
Delta Logo
2:10 pm - 10:00 pmSAN  San Diego-OPO Porto
24h 50m2 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
$807Delta
Tue, Oct 27 - Tue, Nov 3
Delta Logo
3:05 pm - 3:25 pmSAN  San Diego-OPO Porto
17h 20m1 stop Amsterdam Schiphol
Delta Logo
5:00 am - 12:10 pmOPO  Porto-SAN San Diego
15h 10m1 stop Amsterdam Schiphol
$807Delta
Tue, Dec 8 - Fri, Dec 11
Multiple Airlines Logo
10:30 pm - 9:30 amSAN  San Diego-OPO Porto
27h 00m1 stop Newark
Multiple Airlines Logo
1:45 pm - 3:45 pmOPO  Porto-SAN San Diego
34h 00m1 stop Munich Franz Josef Strauss
$815Multiple Airlines
Thu, Dec 24 - Thu, Jan 7
Lufthansa Logo
1:11 pm - 11:55 pmSAN  San Diego-OPO Porto
26h 44m2 stops San Francisco Munich Franz Josef Strauss
Lufthansa Logo
6:00 am - 9:08 pmOPO  Porto-SAN San Diego
23h 08m2 stops Frankfurt am Main Denver Intl
$827Lufthansa
Sun, Nov 8 - Fri, Nov 27
Lufthansa Logo
7:05 am - 3:20 pmSAN  San Diego-OPO Porto
24h 15m2 stops Vancouver Intl Frankfurt am Main
Lufthansa Logo
6:15 am - 8:24 pmOPO  Porto-SAN San Diego
22h 09m2 stops Munich Franz Josef Strauss Los Angeles
$833Lufthansa
Wed, Sep 23 - Tue, Oct 6
KLM Logo
1:38 pm - 3:30 pmSAN  San Diego-OPO Porto
17h 52m2 stops Seattle/Tacoma Intl Amsterdam Schiphol
KLM Logo
5:00 am - 11:50 amOPO  Porto-SAN San Diego
14h 50m1 stop Amsterdam Schiphol
$894KLM
Sun, Oct 4 - Sun, Oct 11
KLM Logo
1:38 pm - 3:30 pmSAN  San Diego-OPO Porto
17h 52m2 stops Seattle/Tacoma Intl Amsterdam Schiphol
KLM Logo
5:55 am - 6:02 pmOPO  Porto-SAN San Diego
20h 07m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl
$971KLM
Booking Insights

Price, demand and travel trends for San Diego to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from San Diego to Porto with more confidence.

What's the cheapest day of the week to fly from San Diego to Porto?

Wednesday is the cheapest day of the week to fly from San Diego to Porto, it is 15% cheaper than the average day. Thursday is the most expensive day with flight prices 27% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from San Diego to Porto?

  • January is the cheapest month to fly from San Diego to Porto at $493 round-trip.
  • May ($1,196) and July ($1,195) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 142% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for San Diego to Porto flights

Low season

October

Cheapest flight

$384
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from San Diego to Porto

When to book flights from San Diego to Porto

Are your dates flexible? Find out the best times to travel from San Diego to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Diego to Porto flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from San Diego to Porto?

    Flights from San Diego to Porto usually depart from San Diego (SAN) and arrive at Porto (OPO).

  • What cabin classes can I book on flights from San Diego to Porto?

    Only Economy Class is available on flights from San Diego to Porto.

  • Which airports do connecting flights from San Diego to Porto pass through?

    One-stop flights from San Diego to Porto most commonly connect through:

    • Munich Franz Josef Strauss (MUC) - 29% of one-stop connections
    • Amsterdam Schiphol (AMS) - 25% of one-stop connections
    • Newark (EWR) - 17% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 15% of one-stop connections

    Munich Franz Josef Strauss (MUC) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from San Diego to Porto?

    Yes. Being flexible with your travel dates can save you up to 34% on the San Diego to Porto route. Wednesday is the cheapest departure day at $896 round-trip on average, while Thursday is the most expensive at $1,342, a difference of $446. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira, Ribeira Square and Avenida dos Aliados. These are among the most viewed places in Porto on KAYAK.

  • How long is a flight from San Diego to Porto?

    A nonstop flight from San Diego to Porto takes 0h 00m, covering 5,596 miles.

  • What are the earliest and latest flights from San Diego to Porto?

    These are the earliest and latest flight times available from San Diego to Porto:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

  • Do I need a passport to fly from San Diego to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How are flight prices from San Diego to Porto looking right now?

    One-way fares from San Diego to Porto are currently lower than usual. Average one-way flight prices are about $445, which is 9% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from San Diego to Porto?

    Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 15h 23m, compared with 16h 14m via Montreal Pierre Elliott Trudeau Intl (YUL) and 16h 46m via Amsterdam Schiphol (AMS).

  • What is the time difference between San Diego and Porto?

    Porto is 8 hours ahead of San Diego (Western European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    · Klass Wagen
    · Drive on Holiday
    · GREEN MOTION
    · Goldcar Rental SP
    · SURPRICE CAR RENTAL

  • How much should I expect to pay for a San Diego to Porto flight?

    Round-trip flights from San Diego to Porto range from $881 to $1,195, with an average of $1,050 over the past 12 months. Anything below $881 counts as a good deal.

Your guide to booking San Diego to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Thursday. On this route, Wednesday flights average $896 - about $446 less than Thursday (33% savings) based on the last 12 months.
  • If you can choose when to travel, plan your San Diego to Porto trip for January. Fares historically average $493 round-trip in that month - typically $703 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.
    - Opo Hotel Porto Aeroporto

Everything you need to know for your flight from San Diego to Porto

Information on your arrival and departure airports

San Diego (SAN)
Porto (OPO)