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Cheap Flights from California to Porto (OPO)
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Average price per month
- Low Season: November
- High Season: July
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in November, October and January.
- High season months are June, August and July. However, it's not the rule and you should always search current flight deals.
- For example, the flight from California to Porto is currently 47% cheaper than average.
Price increase as travel date approaches
- Flight prices for this route increase by 39% if you book last minute. Hover on the graph above to see for yourself!.
- To grab the lowest price possible, you should buy your flight around 61 days before departure!
- Consider booking at least 18 days before departure to increase your chances of getting a low price.
- Generally, it's safe to book between 90 and 60 days in advance.
California to Porto Flight Information
| Flights Depart From | California (SFO) |
| Flights Arriving To | Porto (OPO) |
| Distance | 8968.72 km |
| Current Discount | 47 % |
| Average Price | $1195.66 |
| Good Deal | $697.2 |
| Cheapest Airlines | TAP Portugal, Turkish Airlines, Swiss International Air Lines, United Airlines, SAS, Delta Air Lines, British Airways |
| Popular Airlines | KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Swiss International Air Lines, British Airways, SAS, TAP Portugal, United Airlines |
| Flight Duration | 11 hours 29 minutes |
| Flights Depart From |
| California (SFO) |
| Flights Arrive In |
| Porto (OPO) |
| Distance |
| 8968.72 km |
| Flight Duration |
| 11 hours 29 minutes |
| Current Discount |
| 47 % |
| Average Price |
| $1195.66 |
| Good Deal |
| $697.2 |
| Cheapest Airlines |
| TAP Portugal, Turkish Airlines, Swiss International Air Lines, United Airlines, SAS, Delta Air Lines, British Airways |
| Popular Airlines |
| KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Swiss International Air Lines, British Airways, SAS, TAP Portugal, United Airlines |
Most Reliable Airlines flying to Porto
- According to our data, KLM Royal Dutch Airlines, Turkish Airlines and Delta Air Lines have the highest overall rating.
- The following airlines have the highest chance of on time arrivals: Delta Air Lines, British Airways and KLM Royal Dutch Airlines.
- If cleanliness is important for you then you should consider flying with Swiss International Air Lines, British Airways and Delta Air Lines.
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|---|---|---|---|---|---|---|---|---|
KLM Royal Dutch Airlines |
3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 3.5 | 4.0 | 3.5 |
Turkish Airlines |
3.9 | 3.5 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 |
Delta Air Lines |
3.8 | 4.5 | 4.0 | 4.0 | 4.0 | 3.5 | 4.0 | 3.5 | 3.5 |
Swiss International Air Lines |
3.8 | 3.5 | 4.0 | 4.5 | 4.0 | 4.0 | 3.5 | 3.5 | 3.5 |
British Airways |
3.6 | 4.0 | 4.0 | 4.0 | 3.5 | 3.0 | 3.0 | 3.5 | 3.5 |
SAS |
3.6 | 4.0 | 4.0 | 4.0 | 4.0 | 3.0 | 2.5 | 3.5 | 3.5 |
TAP Portugal |
3.4 | - | 3.5 | 4.0 | 3.5 | 3.5 | 2.5 | 3.5 | 3.5 |
United Airlines |
3.3 | 4.0 | 3.5 | 3.5 | 3.5 | 3.0 | 3.0 | 3.0 | 3.0 |
Overall Rating
4.0
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
4.0
Entertainment
3.5
Legroom
4.0
Seat Comfort
3.5
Overall Rating
4.0
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
4.0
Entertainment
4.0
Legroom
4.0
Seat Comfort
4.0
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
4.0
On time arrival
3.5
Check-in & Boarding
4.0
Cleanliness
4.5
Customer Service
4.0
Food & Beverage
4.0
Entertainment
3.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.0
Entertainment
2.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
-
Check-in & Boarding
3.5
Cleanliness
4.0
Customer Service
3.5
Food & Beverage
3.5
Entertainment
2.5
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.0
Seat Comfort
3.0
Good to know:
- Porto Airport is the major airport in Porto and surrounding area.
Enter your preferred departure airport and travel dates into the search form above to unlock the latest Porto flight deals.
Track the flight prices from California to Porto by subscribing to Fare Alerts to never miss the best deals possible.
Did you know that you could find even better deals when you use our Mobile App?. How to get the cheapest flight to Porto?
Currently there is a 47% discount on flights to Porto. This price won't stay too long and you should consider buying now.
Awesome Deals
notifications_active In the past few days the following airlines offered the lowest prices from California to Porto: TAP Portugal, Turkish Airlines, Swiss International Air Lines, United Airlines, SAS, Delta Air Lines and British Airways..
TAP PortugalMon, 01 Dec SFO OPO
Mon, 08 Dec OPO SFO Trip duration: 7 days$624.63
Turkish AirlinesTue, 06 Jan SFO OPO
Tue, 03 Feb OPO SFO Trip duration: 28 days$732.33
Turkish AirlinesThu, 08 Jan SFO OPO
Thu, 15 Jan OPO SFO Trip duration: 7 days$734.63
Swiss International Air LinesWed, 10 Dec SFO OPO
Wed, 17 Dec OPO SFO Trip duration: 7 days$826.93
United AirlinesTue, 30 Dec SFO OPO
Fri, 09 Jan OPO SFO Trip duration: 10 days$852.13
SASMon, 29 Dec SFO OPO
Fri, 09 Jan OPO SFO Trip duration: 11 days$980.97
Delta Air LinesMon, 15 Dec SFO OPO
Mon, 22 Dec OPO SFO Trip duration: 7 days$1006.03
Delta Air LinesWed, 17 Dec SFO OPO
Wed, 24 Dec OPO SFO Trip duration: 7 days$1108.03
Swiss International Air LinesWed, 24 Dec SFO OPO
Wed, 31 Dec OPO SFO Trip duration: 7 days$1289.83
Delta Air LinesWed, 10 Dec SFO OPO
Thu, 01 Jan OPO SFO Trip duration: 22 days$1360.63
British AirwaysWed, 21 Jan SFO OPO
Tue, 03 Feb OPO SFO Trip duration: 13 days$1606.03
Delta Air LinesThu, 25 Dec SFO OPO
Wed, 31 Dec OPO SFO Trip duration: 6 days$1611.63
TAP PortugalFri, 26 Dec SFO OPO
Fri, 02 Jan OPO SFO Trip duration: 7 days$2138.7
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Frequently Asked Questions
- How long is a direct flight from California to Porto?A direct flight from California to Porto takes roughly 11 hours 29 minutes.
- Which airlines offer cheap airfare from California to Porto?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with TAP Portugal, Turkish Airlines, Swiss International Air Lines, United Airlines, SAS, Delta Air Lines and British Airways.
- Which airlines fly from California to Porto most often?KLM Royal Dutch Airlines, Turkish Airlines, Delta Air Lines, Swiss International Air Lines, British Airways, SAS, TAP Portugal and United Airlines are the top.
- Which airport will I be flying from in California?When departing from California you'll be flying out of San Francisco International.
- Which airport will I be flying from in Porto?When departing from Porto you'll be flying out of Porto Airport.
- How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
- Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
- How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
- Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
- Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
- How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
- Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
- Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
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