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$235+ Cheap flights from San Francisco (SFO) to Porto (OPO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — OPO
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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The best prices from San Francisco to Porto are usually found in February or January, booked 55 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Porto

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2024.

Popular in

June

Cheapest in

February

Round-trip from

$604
(SWISS)

One-way from

$235
(Kiwi.com)
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 25% potential price drop
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From San Francisco to Porto
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One-way flight from San Francisco to Porto
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What is the cheapest day to fly round-trip from San Francisco to Porto?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 21% on the overall cost on flights from San Francisco to Porto.

How far in advance should I book a flight from San Francisco to Porto?

To save on the cost of your flight from San Francisco to Porto, book at least 56 days before your planned departure. Booking around this time can save you about 80% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $680 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $814.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Porto. Flights to Porto from San Francisco in February are about $978 on average during February, but can be found for as low as $626.

What is the cheapest time of day to fly from SFO to OPO?

Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from San Francisco to Porto by exploring options for tickets in the afternoon.

Cheap San Francisco to Porto flights in July & August 2024

Find cheap flight options from San Francisco to Porto specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Listed are some of the best fares we've found on flights departing from San Francisco to Porto in 2024. Check back in a little while for more flight options.
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/219:05 pmSFO - OPO
1 stop18h 15mMultiple Airlines
Mon 9/27:15 pmOPO - SFO
1 stop28h 55mMultiple Airlines
Deal found 7/25$674
This Expedia deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/219:05 pmSFO - OPO
2 stops31h 00mMultiple Airlines
Mon 9/27:15 pmOPO - SFO
1 stop28h 55mMultiple Airlines
Deal found 7/25$714
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/218:30 amSFO - OPO
2 stops23h 40mMultiple Airlines
Mon 9/29:55 pmOPO - SFO
2 stops26h 15mMultiple Airlines
Deal found 7/25$742
This mytrip.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/218:30 amSFO - OPO
3 stops23h 40mMultiple Airlines
Mon 9/29:55 pmOPO - SFO
2 stops26h 15mMultiple Airlines
Deal found 7/25$748
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/167:15 amSFO - OPO
2 stops24h 40mUnited Airlines
Mon 8/1912:10 pmOPO - SFO
2 stops39h 00mUnited Airlines
Deal found 7/25$772
This FlightHub deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/207:40 pmSFO - OPO
1 stop28h 05mSWISS
Fri 9/68:40 amOPO - SFO
1 stop15h 30mSWISS
Deal found 7/25$777
This ScholarTrip deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/207:40 pmSFO - OPO
1 stop28h 05mSWISS
Fri 9/68:40 amOPO - SFO
2 stops18h 37mSWISS
Deal found 7/25$780
This CheapOair deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/202:40 pmSFO - OPO
2 stops35h 00mMultiple Airlines
Fri 9/68:40 amOPO - SFO
2 stops18h 37mMultiple Airlines
Deal found 7/25$807
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/93:00 pmSFO - OPO
1 stop19h 15mDelta
Sat 9/146:30 amOPO - SFO
2 stops23h 44mDelta
Deal found 7/25$833

San Francisco to Porto 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Listed are some of the best fares we've found on flights departing from San Francisco to Porto in 2024. Check back in a little while for more flight options.
This United deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/37:25 pmSFO - OPO
1 stop31h 50mMultiple Airlines
Tue 11/1212:05 pmOPO - SFO
1 stop36h 20mMultiple Airlines
Deal found 7/25$604
This United deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/35:25 pmSFO - OPO
2 stops38h 00mMultiple Airlines
Tue 11/1212:05 pmOPO - SFO
1 stop36h 20mMultiple Airlines
Deal found 7/25$613
This SWISS deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/288:25 pmSFO - OPO
1 stop31h 50mSWISS
Wed 11/612:05 pmOPO - SFO
1 stop36h 20mSWISS
Deal found 7/25$639
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/27:40 pmSFO - OPO
1 stop28h 15mSWISS
Tue 10/88:40 amOPO - SFO
1 stop15h 30mSWISS
Deal found 7/25$644
This American Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/288:00 amSFO - OPO
2 stops20h 45mAmerican Airlines
Wed 11/612:25 pmOPO - SFO
2 stops20h 19mAmerican Airlines
Deal found 7/25$647
This United deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/286:25 pmSFO - OPO
2 stops37h 50mMultiple Airlines
Wed 11/612:05 pmOPO - SFO
1 stop36h 20mMultiple Airlines
Deal found 7/25$648
This JustFly deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JustFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/208:30 amSFO - OPO
2 stops22h 45mAir Canada
Sun 12/86:00 amOPO - SFO
2 stops35h 34mAir Canada
Deal found 7/25$653
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/62:40 pmSFO - OPO
1 stop23h 45mMultiple Airlines
Tue 12/177:25 pmOPO - SFO
1 stop29h 00mMultiple Airlines
Deal found 7/25$656
This Orbitz deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:26 amSFO - OPO
2 stops28h 49mBritish Airways
Tue 12/1710:45 amOPO - SFO
2 stops22h 02mBritish Airways
Deal found 7/25$661

San Francisco to Porto flights leaving soon

Find last-minute flight options from San Francisco to Porto for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Book one of these great deals on flights from San Francisco to Porto. It's wise to confirm all flight details are correct before booking.
This oojo deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/44:20 pmSFO - OPO
1 stop16h 45mTAP AIR PORTUGAL
Sun 8/186:00 pmOPO - SFO
1 stop27h 50mTAP AIR PORTUGAL
Deal found 7/25$1,028
This Air France deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/41:46 pmSFO - OPO
2 stops17h 54mKLM
Sun 8/184:20 pmOPO - SFO
1 stop27h 25mKLM
Deal found 7/25$1,139
This KLM deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/313:00 pmSFO - OPO
1 stop16h 30mKLM
Tue 8/1311:25 amOPO - SFO
1 stop32h 20mKLM
Deal found 7/25$1,141
This Delta deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/23:00 pmSFO - OPO
1 stop19h 15mDelta
Tue 8/136:40 amOPO - SFO
2 stops25h 25mDelta
Deal found 7/25$1,151
This oojo deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/42:40 pmSFO - OPO
2 stops38h 00mAustrian Airlines
Sun 8/186:35 pmOPO - SFO
2 stops26h 05mAustrian Airlines
Deal found 7/25$1,160
This Aeromexico deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/313:00 pmSFO - OPO
1 stop16h 30mAir France
Mon 8/124:20 pmOPO - SFO
2 stops36h 33mAir France
Deal found 7/25$1,213
This Air France deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:35 pmSFO - OPO
2 stops18h 55mMultiple Airlines
Tue 8/134:20 pmOPO - SFO
1 stop27h 25mMultiple Airlines
Deal found 7/25$1,225
This Aeromexico deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/319:40 amSFO - OPO
2 stops38h 45mAir France
Mon 8/124:20 pmOPO - SFO
2 stops35h 55mAir France
Deal found 7/25$1,228
This Aeromexico deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/313:00 pmSFO - OPO
1 stop16h 30mAir France
Mon 8/124:20 pmOPO - SFO
1 stop28h 25mAir France
Deal found 7/25$1,283

One-way flights to Porto from San Francisco

Search for one-way flight options from San Francisco to Porto. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Users traveling one-way from San Francisco to Porto can select one of these great deals. Users can also find round-trip San Francisco to Porto flights by using the search form above.
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/92:41 pmSFO - OPO
2 stops25h 14mMultiple Airlines
Deal found 7/24$235
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/219:45 pmSFO - OPO
2 stops38h 40mMultiple Airlines
Deal found 7/24$257
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2612:50 pmSFO - OPO
3 stops49h 35mMultiple Airlines
Deal found 7/24$258
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/186:12 pmSFO - OPO
3 stops54h 33mMultiple Airlines
Deal found 7/24$274
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/219:45 pmSFO - OPO
3 stops49h 25mMultiple Airlines
Deal found 7/24$279
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/257:30 amSFO - OPO
3 stops31h 20mMultiple Airlines
Deal found 7/25$281
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2512:50 pmSFO - OPO
3 stops26h 00mMultiple Airlines
Deal found 7/24$288
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/186:12 pmSFO - OPO
2 stops41h 33mMultiple Airlines
Deal found 7/24$289
This Kiwi.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/71:55 pmSFO - OPO
2 stops23h 05mMultiple Airlines
Deal found 7/24$301

Find flights from San Francisco to Porto within your budget

Customize your flight search to find flights from San Francisco 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, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$604 - $689

Route

Depart

Return

Price

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Mon 11/25

1 stop31h 50m

Porto

Mon 12/2

1 stop36h 20m

$604

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Sun 11/3

2 stops38h 00m

Porto

Tue 11/12

1 stop36h 20m

$613

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Wed 11/20

2 stops20h 35m

Porto

Thu 11/28

1 stop14h 50m

$619

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Wed 11/20

1 stop16h 45m

Porto

Wed 11/27

1 stop32h 05m

$625

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Mon 10/28

2 stops20h 45m

Porto

Wed 11/6

2 stops20h 19m

$647

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Wed 11/20

2 stops22h 45m

Porto

Sun 12/8

2 stops35h 34m

$653

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Fri 12/6

2 stops28h 49m

Porto

Tue 12/17

2 stops22h 02m

$661

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Sun 11/3

2 stops31h 35m

Porto

Tue 11/12

2 stops37h 50m

$681

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Mon 8/12

2 stops25h 35m

Porto

Wed 8/28

2 stops25h 44m

$689

Flights are sorted by cheapest first

Deals found on 7/24

How far ahead should I book a flight from San Francisco to Porto?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Porto. Price data was last updated on July 25, 2024.
To ensure you get the cheapest price possible for a flight from San Francisco to Porto, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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What is the cheapest day to fly from San Francisco to Porto?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Porto. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to Porto flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from San Francisco to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Porto by month

Plan your trip to Porto by taking into account the average temperature and rainfall totals by month.

OPO

Temperature

48.2 - 68 °F

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated July 25, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and Air Canada from San Francisco to Porto to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.0
Very good
9,630 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

KLM
7.9
Good
1,417 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Air Transat
7.8
Good
414 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

SWISS
7.7
Good
1,799 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Austrian Airlines
7.7
Good
933 reviews
Delta
8.0
Very good
9,630 reviews

Entertainment

8.0

Comfort

7.9

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from San Francisco to Porto for under $700 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Porto for under $700. The cheapest flight booked recently is on SWISS for just $604, but on average you can expect to pay $640.

  • Are there last-minute flights available from San Francisco to Porto for under $1,100?

    There are currently 20+ open flights from San Francisco to Porto within the next 7 days for less than $1,100.

  • What are the cheapest airlines flying from San Francisco to Porto round-trip?

    SWISS, at $604, was found to be the cheapest airline from San Francisco to Porto.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that SWISS is 38% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Francisco to Porto one-way?

    The cheapest airlines for a one-way flight from San Francisco to Porto are Scandinavian Airlines ($415), TAP AIR PORTUGAL ($430), and Iberia ($459).

  • What does SFO to OPO mean?

    San Francisco Airport is SFO and Porto Airport is OPO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Where are the most common layover locations when flying from San Francisco to Porto?

    Of the flights from San Francisco to Porto that have layovers, most of them stop in Lisbon.

  • What are some popular things to do or see while on a layover in Lisbon?

    The majority of Lisbon visitors spend their time at Chiado, Praça do Príncipe Real, and Centro Cultural de Belém. Travelers on a layover in Lisbon can visit Chiado, Praça do Príncipe Real, and Centro Cultural de Belém, by traveling 4.5 mi, 4.2 mi, and 6.9 mi, respectively after landing at Lisbon Humberto Delgado. Travelers can book a car rental at Lisbon Humberto Delgado for about $26 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for San Francisco to Porto flights?

    Of the flights from San Francisco to Porto that have layovers, the fewest flights stop in Frankfurt am Main.

  • Can I find deals for flights from San Francisco to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Porto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Porto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to Porto that include hotel bookings?

    Yes. In addition to deals on San Francisco to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Porto.

  • Can I find deals for business class flights from San Francisco to Porto?

    Yes. Cheapflights offers flight deals from San Francisco to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to Porto that allow pets onboard?

    Many airlines flying from San Francisco to Porto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Porto?

    Yes, you can often find last-minute deals on San Francisco to Porto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to Porto flight deals updated?

    The San Francisco to Porto flight deals you see on this page were last updated on 7/25.

  • What are the most popular airlines that fly from San Francisco to Porto?

    When booking a flight from San Francisco to Porto, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

  • What is the cheapest month to book a flight from San Francisco to Porto?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Porto (average of $517). Flying from San Francisco to Porto in June is currently the most expensive (average of $975). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 10 airlines flying from San Francisco to Porto

Discover the top 10 airlines that operate flights from San Francisco to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$376Average$854FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$404Average$897FlexibilityNo cancel feeOn-time77%
VuelingCheapest$539Average$1,040FlexibilityNo cancel feeOn-time88%
DeltaCheapest$559Average$953FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$572Average$876FlexibilityNo cancel feeOn-time70%
KLMCheapest$643Average$888FlexibilityNo cancel feeOn-time75%
SWISSCheapest$701Average$1,054FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$709Average$996FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$716Average$1,171FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$729Average$797FlexibilityNo cancel feeOn-time71%
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