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Flights from San Francisco to Porto
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Latest Flight Deals from San Francisco to Porto

Book one-way or return flights from San Francisco to Porto from as little as NZD 815. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • SFO19:40
        17h 35m
        1 stop
        OPO21:15
        Sun, May 19|San Francisco - Porto|Vueling Airlines
        NZD 815NZD 1,324
        38% OFF
        38% OFF
        NZD 1,324NZD 815
      • SFO20:30
        35h 40m
        1 stop
        OPO16:10
        Thu, May 9|San Francisco - Porto|Vueling Airlines
        NZD 824NZD 1,324
        38% OFF
        38% OFF
        NZD 1,324NZD 824
      • SFO07:00
        20h 40m
        1 stop
        OPO11:40
        Tue, May 7|San Francisco - Porto|Alaska Airlines
        NZD 836NZD 1,324
        37% OFF
        37% OFF
        NZD 1,324NZD 836
      • SFO19:45
        29h
        1 stop
        OPO08:45
        Mon, May 6|San Francisco - Porto|United Airlines
        NZD 876
        NZD 876
      • SFO22:15
        16h 15m
        1 stop
        OPO22:30
        Sat, Jun 1|San Francisco - Porto|Alaska Airlines
        NZD 924
        NZD 924
      • SFO06:30
        21h 15m
        1 stop
        OPO11:45
        Sun, Jun 2|San Francisco - Porto|United Airlines
        NZD 930
        NZD 930
      • SFO16:35
        22h 35m
        1 stop
        OPO23:10
        Thu, Jun 13|San Francisco - Porto|United Airlines
        NZD 933
        NZD 933
      • SFO19:20
        20h 10m
        1 stop
        OPO23:30
        Mon, May 6|San Francisco - Porto|Iberia
        NZD 939
        NZD 939
      • SFO16:05
        22h 50m
        1 stop
        OPO22:55
        Tue, Jul 9|San Francisco - Porto|French Bee Airlines
        NZD 945
        NZD 945
      • SFO20:30
        18h 25m
        1 stop
        OPO22:55
        Mon, Jul 22|San Francisco - Porto|French Bee Airlines
        NZD 948
        NZD 948
      • SFO13:00
        3h 5m
        Direct
        OPO14:00
        Mon, May 13|San Francisco - Porto|Vueling Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from San Francisco to Porto? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from San Francisco to Porto. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from San Francisco to Porto

View airlines operating flights from San Francisco to Porto. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

WestJet
From NZD 533
American Airlines
From NZD 545
Vueling Airlines
From NZD 635
Alaska Airlines
From NZD 752
Frontier Airlines
From NZD 869
United Airlines
From NZD 876
Iberia
From NZD 930
French Bee Airlines
From NZD 945
Delta Air Lines
From NZD 949
Finnair
From NZD 950
ANA airlines

Find more flights and airlines

Alternative Routes from San Francisco to Porto

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from San Francisco to Porto.

  • Cheapest
    WestJet
    SFO
    07:30
    32h 0m
    2 transfer
    OPO
    23:30
    San Francisco International Airport - Francisco Sa Carneiro International Airport
    Mon, May 13WestJet
    NZD 533
  • WestJet
    SFO
    07:30
    32h 0m
    2 transfer
    OPO
    23:30
    San Francisco International Airport - Francisco Sa Carneiro International Airport
    Mon, May 13WestJet
    NZD 533
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from San Francisco (SFO) to Porto (OPO) the cheapest?

    Airlines adjust prices for flights from San Francisco to Porto based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from San Francisco (SFO) to Porto (OPO) cost?

    According to Trip.com's data, the lowest price is around NZD 2,524.

  • What is the transportation method from the main airport to downtown in Porto?

    • The distance from Francisco Sa Carneiro International Airport to downtown is about 9km. It takes about 20 minutes by taxi.

How to find a cheap flight from San Francisco to Porto

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from San Francisco to Porto. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from San Francisco to Porto

Cheapest nonstop flight price

NZD 814

Off-season for travel

January

Peak season for travel

August

Flight distance

8,965.7km

Popular airline

Condor

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