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Cheap flight deals from San Francisco to Porto Starting at €285

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • SFO08:55 pm
        31h 10m
        1 stop
        OPO11:05 am
        Sat, Mar 15|San Francisco - Porto|French Bee Airlines
        €285€370
        23% OFF
        23% OFF
        €370€285

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Sat, Mar 15, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €285 including taxes and charges.

      • SFO07:55 pm
        19h 10m
        1 stop
        OPO11:05 pm
        Mon, Feb 24|San Francisco - Porto|French Bee Airlines
        €299€370
        19% OFF
        19% OFF
        €370€299

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Mon, Feb 24, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €299 including taxes and charges.

      • SFO07:55 pm
        28h
        1 stop
        OPO07:55 am
        Sat, Mar 8|San Francisco - Porto|French Bee Airlines
        €299€370
        19% OFF
        19% OFF
        €370€299

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Sat, Mar 8, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €299 including taxes and charges.

      • SFO07:55 pm
        28h 10m
        1 stop
        OPO08:05 am
        Mon, Mar 3|San Francisco - Porto|French Bee Airlines
        €304
        €304

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Mon, Mar 3, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €304 including taxes and charges.

      • SFO08:55 pm
        19h 10m
        1 stop
        OPO11:05 pm
        Mon, Mar 10|San Francisco - Porto|French Bee Airlines
        €304
        €304

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Mon, Mar 10, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €304 including taxes and charges.

      • SFO08:30 pm
        32h 20m
        1 stop
        OPO12:50 pm
        Mon, Mar 31|San Francisco - Porto|French Bee Airlines
        €308
        €308

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Mon, Mar 31, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €308 including taxes and charges.

      • SFO08:55 pm
        28h
        1 stop
        OPO07:55 am
        Sat, Mar 22|San Francisco - Porto|French Bee Airlines
        €310
        €310

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Sat, Mar 22, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €310 including taxes and charges.

      • SFO08:30 pm
        28h
        1 stop
        OPO08:30 am
        Sat, Mar 29|San Francisco - Porto|French Bee Airlines
        €311
        €311

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Sat, Mar 29, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €311 including taxes and charges.

      • SFO08:55 pm
        31h 35m
        1 stop
        OPO11:30 am
        Mon, Mar 24|San Francisco - Porto|French Bee Airlines
        €311
        €311

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Mon, Mar 24, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €311 including taxes and charges.

      • SFO07:55 pm
        28h 10m
        1 stop
        OPO08:05 am
        Thu, Feb 20|San Francisco - Porto|French Bee Airlines
        €312
        €312

        Choose French Bee Airlines flights from San Francisco to Porto. The one-way connecting flight with French Bee Airlines departs from San Francisco International Airport on Thu, Feb 20, arriving at Francisco Sa Carneiro International Airport. One-way Prices start from €312 including taxes and charges.

      • SFO01:00 pm
        3h 5m
        Nonstop
        OPO02:00 pm
        Sun, Feb 23|San Francisco - Porto|French Bee Airlines
        Find More Flights
        Find More Flights

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

San Francisco to Porto Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA194

    United Airlines

    01:45 pm

    SFO

    11.3h

    10:05 am

    MUC

    S-TWTFS
    Search

  2. EN8274

    Air Dolomiti

    10:55 am

    MUC

    1.2h

    12:05 pm

    MXP

    SMTWTFS

  3. U23883

    easyJet

    04:10 pm

    MXP

    2.7h

    05:50 pm

    OPO

    S---T--

  4. B6434

    Jetblue Airways

    06:00 am

    SFO

    5.8h

    02:45 pm

    BOS

    SMTWTFS
    Search

  5. S4224

    Azores Airlines

    10:20 pm

    BOS

    4.9h

    06:15 am

    PDL

    --T----

  6. S4172

    Azores Airlines

    08:20 am

    PDL

    2.3h

    11:40 am

    OPO

    SM-W--S

  7. AS292

    Alaska Airlines

    06:12 am

    SFO

    5.8h

    02:59 pm

    EWR

    SMTWTFS
    Search

  8. TP204

    TAP Air Portugal

    10:50 pm

    EWR

    7.0h

    10:50 am

    LIS

    SMTWT-S

  9. TP1928

    TAP Air Portugal

    02:20 pm

    LIS

    0.8h

    03:05 pm

    OPO

    SMTWTFS

  10. AS292

    Alaska Airlines

    06:12 am

    SFO

    5.8h

    02:59 pm

    EWR

    SMTWTFS
    Search

  11. S4276

    Azores Airlines

    09:20 pm

    JFK

    9.5h

    11:50 am

    OPO

    -M-----

  12. AS292

    Alaska Airlines

    06:12 am

    SFO

    5.8h

    02:59 pm

    EWR

    SMTWTFS
    Search

  13. TP202

    TAP Air Portugal

    05:35 pm

    EWR

    6.9h

    05:30 am

    LIS

    SMTW-F-

  14. TP1922

    TAP Air Portugal

    08:05 am

    LIS

    0.9h

    09:00 am

    OPO

    SMTWTFS

  15. AS292

    Alaska Airlines

    06:12 am

    SFO

    5.8h

    02:59 pm

    EWR

    SMTWTFS
    Search

  16. TP202

    TAP Air Portugal

    05:35 pm

    EWR

    6.9h

    05:30 am

    LIS

    SMTW-F-

  17. TP1920

    TAP Air Portugal

    06:50 am

    LIS

    1.2h

    08:00 am

    OPO

    SMTWTFS

  18. DL400

    Delta Air Lines

    07:00 am

    SFO

    5.8h

    03:51 pm

    BOS

    SMTWTFS
    Search

  19. S4224

    Azores Airlines

    10:20 pm

    BOS

    4.9h

    06:15 am

    PDL

    --T----

  20. S4172

    Azores Airlines

    08:20 am

    PDL

    2.3h

    11:40 am

    OPO

    SM-W--S

  21. AS356

    Alaska Airlines

    07:00 am

    SFO

    5.8h

    03:49 pm

    BOS

    S------
    Search

  22. S4224

    Azores Airlines

    10:20 pm

    BOS

    4.9h

    06:15 am

    PDL

    --T----

  23. S4172

    Azores Airlines

    08:20 am

    PDL

    2.3h

    11:40 am

    OPO

    SM-W--S

  24. B61734

    Jetblue Airways

    08:00 am

    SFO

    5.8h

    04:49 pm

    BOS

    SMTWTFS
    Search

  25. S4224

    Azores Airlines

    10:20 pm

    BOS

    4.9h

    06:15 am

    PDL

    --T----

  26. S4172

    Azores Airlines

    08:20 am

    PDL

    2.3h

    11:40 am

    OPO

    SM-W--S

  27. BF711

    French Bee Airlines

    08:30 pm

    SFO

    10.8h

    04:20 pm

    ORY

    S--W---
    Search

  28. U27722

    easyJet

    09:45 pm

    ORY

    2.3h

    11:00 pm

    OPO

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from San Francisco to Porto?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • 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 €1,240.

  • 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 9 km. 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 Info | San Francisco to Porto

Cheapest nonstop flight price€285
Off-season for travelFebruary
Peak season for travelNovember
Flight distance8,965.7 km
Popular airlineAir France

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