$242 Cheap Flights from San Francisco (SFO) to Twin Falls (TWF)

View $242 flight on Sat, Dec 6, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Twin Falls, ID (TWF)

Cheap Flights from San Francisco to Twin Falls (SFO-TWF)

Prices were available within the past 7 days and start at $242 for one-way flights and $335 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 2 - Fri, Dec 12
SFO
San Francisco
TWF
Twin Falls
$335 Roundtrip, found 19 hours ago
$335
Roundtrip
found 19 hours ago
Select Delta flight, departing Tue, Dec 2 from San Francisco to Twin Falls, returning Fri, Dec 12, priced at $335 found 19 hours ago
Delta
Mon, Mar 9 - Wed, Mar 25
SFO
San Francisco
TWF
Twin Falls
$346 Roundtrip, found 12 hours ago
$346
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Mar 9 from San Francisco to Twin Falls, returning Wed, Mar 25, priced at $346 found 12 hours ago
Delta
Mon, Mar 9 - Thu, Mar 26
SFO
San Francisco
TWF
Twin Falls
$356 Roundtrip, found 12 hours ago
$356
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Mar 9 from San Francisco to Twin Falls, returning Thu, Mar 26, priced at $356 found 12 hours ago
Delta
Wed, Mar 11 - Tue, Mar 17
SFO
San Francisco
TWF
Twin Falls
$356 Roundtrip, found 13 hours ago
$356
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Mar 11 from San Francisco to Twin Falls, returning Tue, Mar 17, priced at $356 found 13 hours ago
Delta
Thu, Nov 20 - Wed, Dec 3
SFO
San Francisco
TWF
Twin Falls
$365 Roundtrip, found 5 days ago
$365
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Nov 20 from San Francisco to Twin Falls, returning Wed, Dec 3, priced at $365 found 5 days ago
Delta
Sat, Mar 14 - Wed, Mar 25
SFO
San Francisco
TWF
Twin Falls
$366 Roundtrip, found 12 hours ago
$366
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Mar 14 from San Francisco to Twin Falls, returning Wed, Mar 25, priced at $366 found 12 hours ago
Delta
Sat, Mar 14 - Thu, Mar 26
SFO
San Francisco
TWF
Twin Falls
$376 Roundtrip, found 12 hours ago
$376
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Mar 14 from San Francisco to Twin Falls, returning Thu, Mar 26, priced at $376 found 12 hours ago
Delta
Mon, Mar 9 - Fri, Mar 27
SFO
San Francisco
TWF
Twin Falls
$382 Roundtrip, found 12 hours ago
$382
Roundtrip
found 12 hours ago
Select Delta flight, departing Mon, Mar 9 from San Francisco to Twin Falls, returning Fri, Mar 27, priced at $382 found 12 hours ago
Delta
Wed, Dec 31 - Thu, Jan 15
SFO
San Francisco
TWF
Twin Falls
$385 Roundtrip, found 5 days ago
$385
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 31 from San Francisco to Twin Falls, returning Thu, Jan 15, priced at $385 found 5 days ago
Delta
Sat, Dec 6 - Sun, Dec 21
SFO
San Francisco
TWF
Twin Falls
$386 Roundtrip, found 5 days ago
$386
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Dec 6 from San Francisco to Twin Falls, returning Sun, Dec 21, priced at $386 found 5 days ago

Alternative airports near Twin Falls

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

Select flight to Twin Falls, ID TWF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $465
TWF
Twin Falls, ID
CheapestClosest
Average driving time to city center11 min
Flights from $465

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Twin Falls Airport (TWF) cost?
Lock in a cheap one-way flight from $242 or cheap return flight from $335 from San Francisco Intl. Airport (SFO) to Twin Falls Airport (TWF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Twin Falls Airport (TWF)?
Planning your getaway for December is a great way to save, as it's the cheapest month for flights between SFO and TWF. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Twin Falls Airport (TWF)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SFO to TWF flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Twin Falls Airport (TWF)?
You'll have to book a flight with a layover if you're traveling from San Francisco Intl. Airport (SFO) to Twin Falls Airport (TWF). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SFO to TWF?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, including the season and airline.*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 Twin Falls Airport (TWF)?
Opt for a flight from San Francisco Intl. Airport (SFO) to Twin Falls Airport (TWF) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**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 Twin Falls Airport (TWF) last-minute?
Last-minute fares from SFO to TWF are generally more expensive. To lock in the lowest prices, start looking for flights as soon as possible. That said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book a SFO to TWF flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to TWF flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of planning your trip. Just secure your flights and select from our extensive range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Twin Falls Airport (TWF)?
It's usually possible to reschedule or cancel your SFO to TWF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Twin Falls
Airlines serving
Delta
Roundtrip price
$334
Distance
536 mi

Book with confidence

San Francisco to Twin Falls Flights

The cheapest times to fly from San Francisco to Twin Falls

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 Twin Falls are during the month of December. You can find some of the cheapest flights from San Francisco to Twin Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Twin Falls

Sunday is one of the best days to book for cheap flights from San Francisco to Twin Falls: 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 Twin Falls

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 Twin Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $242 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 Twin Falls 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 Twin Falls 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.

 

San Francisco to Twin Falls Flights

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*Available to One Key members.