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Cheap Flights from Idaho Falls (IDA) to San Francisco (SFO)

View AU$225 flight on Tue, 18 Aug 2026Opens in a new window

Flight 1

Popular airlines from Idaho Falls Regional Airport (IDA) to San Francisco International Airport (SFO)

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Cheap Flights from Idaho Falls (IDA) to San Francisco (SFO)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.) cost?
You can find one-way and return flights from IDA to SFO with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IDA to SFO ticket fares go up or down.
What is the cheapest month to fly from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
The cheapest months to fly from IDA to SFO are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
Enter IDA to SFO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
American Airlines is one of the cheapest airlines offering connecting return flights from Idaho Falls Regional (IDA) to San Francisco Intl. (SFO), with prices starting from around AU$354 for flights that can be booked for departure within the next year. These flights typically include a layover in Sky Harbor Intl. (PHX). These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
To find a cheap flight from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
There are approximately 12 connecting flights per day from Idaho Falls Regional (IDA) to San Francisco Intl. (SFO). Some common connection points include Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), and Portland Intl. (PDX).
What is the earliest flight from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
The earliest flight from Idaho Falls Regional (IDA) to San Francisco Intl. (SFO) typically departs around 5:00 AM local time. This service is operated by United and is a seasonal service, active only in September. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
You'll typically find the most flights from Idaho Falls Regional (IDA) to San Francisco Intl. (SFO) on a Monday, with around 12 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, so you should find suitable options on other days too.
What are the most popular departure times for flights from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
The most popular departure times for flights from Idaho Falls Regional (IDA) to San Francisco Intl. (SFO) are in the early morning, from 6am to 9am. Many major carriers, including American Airlines, Alaska Airlines and Delta, offer flights during this window. Many travellers prefer these times as it allows for an early start to their day in San Francisco.
How long does it take to fly from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
There are no nonstop flights from Idaho Falls Regional (IDA) to San Francisco Intl. (SFO). The distance between these two airports is approximately 1089 kilometres. If you're looking for the quickest option, one-stop flights typically take around 6 hours 18 minutes. Flights with two or more stops will take longer, usually around 8 hours 18 minutes. Keep in mind that these are average travel times, and the actual duration can vary depending on factors like layover length, routing, and even weather conditions.
Can you fly business or first class from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
You can fly first class between IDA and SFO. First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.) flight with Expedia?
It's easy to earn miles on a Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Francisco, CA (SFO) from Idaho Falls, ID (IDA)?
If you're planning to travel to San Francisco from Idaho Falls Regional (IDA), you can fly directly into San Francisco Intl. (SFO) which offers international flights and connections. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), or Portland Intl. (PDX) before reaching San Francisco. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.) at the last minute?
Typically, booking a last minute flight from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.) flight and hotel package?
Securing a Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.)?
If you booked your Idaho Falls, ID (IDA-Idaho Falls Regional) to San Francisco, CA (SFO-San Francisco Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Idaho Falls Regional
Destination airport
San Francisco Intl.
Distance
1083 km

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Your quick guide to flights from Idaho Falls to San Francisco

Pick up great flights from Idaho Falls to San Francisco

With Expedia, you have your pick of flights a day with 13 airlines covering flights from Idaho Falls to San Francisco. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Idaho Falls to San Francisco that take around hours.

Find cheap flights from Idaho Falls to San Francisco

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Idaho Falls to San Francisco around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to San Francisco is normally in .

Reasons to book your flight from Idaho Falls to San Francisco with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Idaho Falls to San Francisco across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to San Francisco right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Idaho Falls to San Francisco

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