What are the cheapest airlines flying from Idaho Falls to San Francisco round-trip?

Our cheapest airline available from Idaho Falls to San Francisco is Delta. Our recent data shows that you can find tickets from as low as $282 on this airline. Additional options worth looking into are Alaska Airlines and Hawaiian Airlines, starting at $332 and $374 round-trip. You may be able to fly from Idaho Falls to San Francisco for 47% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Idaho Falls to San Francisco one-way?

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $123. Alaska Airlines flights start at $192 while deals on American Airlines start at $226 one-way.

What is the cheapest day to fly from Idaho Falls to San Francisco?

Travelers seeking maximum savings on their Idaho Falls to San Francisco flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Idaho Falls to San Francisco?

Wednesday flights are generally found to be more expensive for flights from Idaho Falls to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

What is the cheapest month to fly from Idaho Falls to San Francisco?

Our data shows that March tends to be the cheapest month to fly to San Francisco from Idaho Falls. Users have commonly found prices around $537 for the month, but tickets can be as low as $333. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Idaho Falls-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-San Francisco flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Idaho Falls-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Idaho Falls to San Francisco that include hotel bookings?

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

How can I find direct flights from Idaho Falls to San Francisco?

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

Can I find deals for business class flights from Idaho Falls to San Francisco?

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

$123+ Flights from Idaho Falls to San Francisco

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho Falls to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$282 (Delta)
One-way from	$123 (Delta)
Popular in	June
Cheapest in	March
Average price	$485

Provider with most accurate pricing for Idaho Falls Fanning Field-San Francisco flight deals.

Search Deals

Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-San Francisco flights.

Search Deals

From Idaho Falls Fanning Field to San Francisco

Search Deals

One-way flight from Idaho Falls Fanning Field to San Francisco

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Idaho Falls to San Francisco

Cheapest flights from Idaho Falls to San Francisco
Explore the most affordable flight options available from Idaho Falls to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Thu 5/812:30 pmIDA - SFO

1 stop4h 40mDelta

Thu 5/155:05 pmSFO - IDA

1 stop4h 46mDelta

Deal found 4/10

$282

Thu 5/84:35 pmIDA - SFO

2 stops29h 55mAlaska Airlines

Thu 5/157:00 amSFO - IDA

1 stop14h 34mAlaska Airlines

Deal found 4/10

$332

Thu 5/14:35 pmIDA - SFO

1 stop5h 38mHawaiian Airlines

Wed 5/72:30 pmSFO - IDA

1 stop7h 06mHawaiian Airlines

Deal found 4/10

$374

Fri 4/114:15 pmIDA - SFO

1 stop6h 31mUnited Airlines

Mon 4/146:42 amSFO - IDA

1 stop7h 39mUnited Airlines

Deal found 4/10

$821

Best flights from Idaho Falls to San Francisco
Discover carefully curated flight deals from Idaho Falls to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Thu 5/812:30 pmIDA - SFO

1 stop4h 40mDelta

Thu 5/155:05 pmSFO - IDA

1 stop4h 46mDelta

Deal found 4/10

$282

Thu 5/84:35 pmIDA - SFO

2 stops29h 55mAlaska Airlines

Thu 5/157:00 amSFO - IDA

1 stop14h 34mAlaska Airlines

Deal found 4/10

$332

Thu 5/14:35 pmIDA - SFO

1 stop5h 38mHawaiian Airlines

Wed 5/72:30 pmSFO - IDA

1 stop7h 06mHawaiian Airlines

Deal found 4/10

$374

Last-minute flights from Idaho Falls to San Francisco
Discover last-minute flight deals from Idaho Falls to San Francisco. Data last updated April 11, 2025 and is based on user searches.

Fri 4/114:15 pmIDA - SFO

1 stop6h 31mUnited Airlines

Mon 4/146:42 amSFO - IDA

1 stop7h 39mUnited Airlines

Deal found 4/10

$821

Mon 4/214:11 pmIDA - SFO

1 stop6h 12mAlaska Airlines

Fri 4/259:10 amSFO - IDA

1 stop5h 48mAlaska Airlines

Deal found 4/10

$430

Mon 4/216:55 pmIDA - SFO

1 stop6h 13mDelta

Fri 4/255:12 pmSFO - IDA

1 stop4h 44mDelta

Deal found 4/10

$495

Thu 5/14:35 pmIDA - SFO

1 stop5h 38mHawaiian Airlines

Wed 5/72:30 pmSFO - IDA

1 stop7h 06mHawaiian Airlines

Deal found 4/10

$374

Thu 5/812:30 pmIDA - SFO

1 stop4h 40mDelta

Thu 5/155:05 pmSFO - IDA

1 stop4h 46mDelta

Deal found 4/10

$282

Thu 5/84:35 pmIDA - SFO

2 stops29h 55mAlaska Airlines

Thu 5/157:00 amSFO - IDA

1 stop14h 34mAlaska Airlines

Deal found 4/10

$332

One-way flights from Idaho Falls to San Francisco
Search for one-way flight options from Idaho Falls to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 11, 2025.

Fri 5/96:50 pmIDA - SFO

1 stop6h 30mDelta

Deal found 4/9

$123

Fri 5/96:00 amIDA - SFO

2 stops11h 41mAlaska Airlines

Deal found 4/9

$192

Mon 4/217:43 amIDA - SFO

1 stop5h 33mAmerican Airlines

Deal found 4/10

$226

Mon 4/216:50 amIDA - SFO

2 stops8h 52mMultiple Airlines

Deal found 4/10

$476

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Thu 5/8

12:30 pm-4:10 pm

1 stop4h 40m

San Francisco

Thu 5/15

5:05 pm-10:51 pm

1 stop4h 46m

$282

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Thu 5/8

4:35 pm-9:30 pm

2 stops29h 55m

San Francisco

Thu 5/15

7:00 am-10:34 pm

1 stop14h 34m

$332

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Thu 5/1

4:35 pm-9:13 pm

1 stop5h 38m

San Francisco

Wed 5/7

2:30 pm-10:36 pm

1 stop7h 06m

$374

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Fri 5/9

6:50 pm-12:20 am

1 stop6h 30m

$123

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Fri 5/9

6:00 am-4:41 pm

2 stops11h 41m

$192

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Mon 4/21

7:43 am-12:16 pm

1 stop5h 33m

$226

Idaho FallsSan Francisco

IDA - SFO

IDASFO

Idaho Falls Fanning Field

Mon 4/21

6:50 am-2:42 pm

2 stops8h 52m

$476

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

Compare providers for flights from Idaho Falls to San Francisco

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to San Francisco in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Idaho Falls-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-San Francisco flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Idaho Falls-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Idaho Falls 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.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to San Francisco

What is the cheapest month to book a flight from Idaho Falls to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Idaho Falls to San Francisco (average of $276). Flying from Idaho Falls to San Francisco in June is currently the most expensive (average of $393). 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.

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

Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from Idaho Falls to San Francisco by exploring options for tickets in the morning.

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Idaho Falls to San Francisco. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,910 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Hawaiian Airlines

7.9

Good

2,366 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What are the cheapest airlines flying from Idaho Falls to San Francisco round-trip?
Our cheapest airline available from Idaho Falls to San Francisco is Delta. Our recent data shows that you can find tickets from as low as $282 on this airline. Additional options worth looking into are Alaska Airlines and Hawaiian Airlines, starting at $332 and $374 round-trip. You may be able to fly from Idaho Falls to San Francisco for 47% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Idaho Falls to San Francisco one-way?
To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $123. Alaska Airlines flights start at $192 while deals on American Airlines start at $226 one-way.
Can I find deals for flights from Idaho Falls to San Francisco that include hotel bookings?
Yes. In addition to deals on Idaho Falls to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to San Francisco.
Can I find deals for business class flights from Idaho Falls to San Francisco?
Yes. Cheapflights offers flight deals from Idaho Falls to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Idaho Falls to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Idaho Falls to San Francisco (average of $276). Flying from Idaho Falls to San Francisco in June is currently the most expensive (average of $393). 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.

See more FAQs

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Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Idaho Falls to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$325	Average$403	FlexibilityNo cancel fee	On-timeN/A

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$123+ Cheap flights from Idaho Falls to San Francisco (IDA - SFO)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to San Francisco

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Idaho Falls to San Francisco

Cheapest flights from Idaho Falls to San FranciscoExplore the most affordable flight options available from Idaho Falls to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Explore the most affordable flight options available from Idaho Falls to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho Falls to San Francisco that are best for you.

Compare providers for flights from Idaho Falls to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to San Francisco in April.

Best time to book a flight from Idaho Falls to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Idaho Falls with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to San Francisco

What is the cheapest month to book a flight from Idaho Falls to San Francisco?

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

Find hourly flight availability from Idaho Falls to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Idaho Falls to San Francisco. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines flying from Idaho Falls to San Francisco round-trip?

What are the cheapest airlines to fly from Idaho Falls to San Francisco one-way?

Can I find deals for flights from Idaho Falls to San Francisco that include hotel bookings?

How can I find direct flights from Idaho Falls to San Francisco?

Can I find deals for business class flights from Idaho Falls to San Francisco?

What is the cheapest month to book a flight from Idaho Falls to San Francisco?

Traveling to a place near Idaho Falls?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho Falls to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Idaho Falls to San Francisco

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Cheapest flights from Idaho Falls to San Francisco
Explore the most affordable flight options available from Idaho Falls to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2025.