$446 Cheap Flights from San Francisco (SFO) to Santiago Island (RAI)

View $446 flight on Sat, Nov 8, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Santiago Island (RAI-Praia Intl.)

Cheap Flights from San Francisco to Santiago Island (SFO-RAI)

Prices were available within the past 7 days and start at $446 for one-way flights and $896 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sat, Oct 25 - Wed, Nov 12
SFO
San Francisco
RAI
Santiago
$896 Roundtrip, found 5 days ago
$896
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Sat, Oct 25 from San Francisco to Santiago, returning Wed, Nov 12, priced at $896 found 5 days ago
TAP Portugal
Fri, Mar 6 - Wed, Mar 18
SFO
San Francisco
RAI
Santiago
$901 Roundtrip, found 1 day ago
$901
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Fri, Mar 6 from San Francisco to Santiago, returning Wed, Mar 18, priced at $901 found 1 day ago
TAP Portugal
Sat, Mar 7 - Wed, Mar 18
SFO
San Francisco
RAI
Santiago
$908 Roundtrip, found 1 day ago
$908
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Sat, Mar 7 from San Francisco to Santiago, returning Wed, Mar 18, priced at $908 found 1 day ago
TAP Portugal
Mon, Oct 20 - Wed, Nov 5
SFO
San Francisco
RAI
Santiago
$909 Roundtrip, found 5 days ago
$909
Roundtrip
found 5 days ago
Select TAP Portugal flight, departing Mon, Oct 20 from San Francisco to Santiago, returning Wed, Nov 5, priced at $909 found 5 days ago
JetBlue Airways
Tue, Nov 4 - Wed, Nov 12
SFO
San Francisco
RAI
Santiago
$923 Roundtrip, found 17 hours ago
$923
Roundtrip
found 17 hours ago
Select JetBlue Airways flight, departing Tue, Nov 4 from San Francisco to Santiago, returning Wed, Nov 12, priced at $923 found 17 hours ago
Alaska Airlines
Wed, Jan 21 - Wed, Jan 28
SFO
San Francisco
RAI
Santiago
$933 Roundtrip, found 4 days ago
$933
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Jan 21 from San Francisco to Santiago, returning Wed, Jan 28, priced at $933 found 4 days ago
Alaska Airlines
Sat, Nov 1 - Wed, Nov 12
SFO
San Francisco
RAI
Santiago
$935 Roundtrip, found 17 hours ago
$935
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Sat, Nov 1 from San Francisco to Santiago, returning Wed, Nov 12, priced at $935 found 17 hours ago
JetBlue Airways
Wed, Nov 12 - Wed, Dec 3
SFO
San Francisco
RAI
Santiago
$939 Roundtrip, found 5 days ago
$939
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Wed, Nov 12 from San Francisco to Santiago, returning Wed, Dec 3, priced at $939 found 5 days ago
Swiss International Air Lines
Tue, Nov 4 - Thu, Nov 13
SFO
San Francisco
RAI
Santiago
$1,257 Roundtrip, found 17 hours ago
$1,257
Roundtrip
found 17 hours ago
Select Swiss International Air Lines flight, departing Tue, Nov 4 from San Francisco to Santiago, returning Thu, Nov 13, priced at $1,257 found 17 hours ago
Royal Air Maroc
Wed, Feb 11 - Sun, Feb 15
SFO
San Francisco
RAI
Santiago
$1,723 Roundtrip, found 14 hours ago
$1,723
Roundtrip
found 14 hours ago
Select Royal Air Maroc flight, departing Wed, Feb 11 from San Francisco to Santiago, returning Sun, Feb 15, priced at $1,723 found 14 hours ago

Alternative airports near Praia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Praia Intl. RAI. Cheapest option available. Flights from $1,027
RAI
Praia Intl.
Cheapest
Flights from $1,027
Flights from San Francisco (SFO) to Santiago Island (RAI)
Origin airport
San Francisco Intl.
Destination airport
Praia Intl.
Airlines serving
Royal Air Maroc, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
$895
Distance
6063 mi

San Francisco to Santiago Island Flights

The cheapest times to fly from San Francisco to Santiago Island

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Santiago Island are during the month of October. You can find some of the cheapest flights from San Francisco to Santiago Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Santiago Island

Sunday is one of the best days to book for cheap flights from San Francisco to Santiago Island: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Santiago Island

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Santiago Island in 2025. You can also book with separate airlines for your outbound and return journeys, from $446 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Santiago Island flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Santiago Island airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI) cost?
Get a cheap one-way flight from $446 or cheap return flight from $896 from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI)?
The cheapest month to fly from SFO to RAI is October, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI)?
To find the cheapest airline flying from SFO to RAI, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI)?
Direct flights from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SFO to RAI?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI)?
Opt for a flight from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI) last-minute?
Last-minute bookings from SFO to RAI are typically more expensive. To secure the cheapest rates, start searching for flights well in advance. That being said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book a SFO to RAI flight and hotel package?
You can save money by securing a SFO to RAI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Praia Intl. Airport (RAI)?
If you reserved your SFO to RAI flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.