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Idaho Falls

$106+ Cheap flights from San Francisco to Idaho Falls (SFO - IDA)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IDA
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheap flight deals from San Francisco to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 16, 2025.

Round-trip from

$195
(Kiwi.com)

One-way from

$106
(Kiwi.com)

Popular in

April

Cheapest in

June

Average price

$344
From San Francisco to Idaho Falls Fanning Field
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One-way flight from San Francisco to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Francisco to Idaho Falls

Cheapest flights from San Francisco to Idaho Falls
Explore the most affordable flight options available from San Francisco to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:45 amSFO - IDA
1 stop8h 04mMultiple Airlines
Fri 9/1910:55 pmIDA - SFO
1 stop15h 20mMultiple Airlines
Deal found 8/15$195
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:45 amSFO - IDA
1 stop9h 20mMultiple Airlines
Mon 9/299:39 pmIDA - SFO
1 stop24h 42mMultiple Airlines
Deal found 8/15$229
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:47 amSFO - IDA
1 stop10h 25mMultiple Airlines
Mon 10/207:40 pmIDA - SFO
1 stop26h 42mMultiple Airlines
Deal found 8/15$243
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:45 amSFO - IDA
1 stop9h 20mMultiple Airlines
Fri 9/1210:55 pmIDA - SFO
1 stop15h 20mMultiple Airlines
Deal found 8/14$270
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:45 amSFO - IDA
2 stops10h 21mMultiple Airlines
Thu 9/47:16 pmIDA - SFO
1 stop15h 48mMultiple Airlines
Deal found 8/14$274
This Kiwi.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:45 amSFO - IDA
1 stop9h 29mMultiple Airlines
Mon 10/137:40 pmIDA - SFO
2 stops27h 47mMultiple Airlines
Deal found 8/15$278
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/65:35 amSFO - IDA
1 stop4h 04mDelta
Fri 9/126:00 amIDA - SFO
1 stop3h 46mDelta
Deal found 8/14$298
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:45 amSFO - IDA
1 stop9h 20mMultiple Airlines
Thu 9/188:43 pmIDA - SFO
1 stop22h 36mMultiple Airlines
Deal found 8/16$306
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:35 amSFO - IDA
1 stop4h 04mDelta
Wed 9/106:52 pmIDA - SFO
1 stop4h 59mDelta
Deal found 8/14$308

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from San Francisco to Idaho Falls that are best for you.

Fly from

San Francisco

Fly to

Idaho Falls

Route

Depart

Return

Price

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Mon 9/15

5:45 am-2:49 pm

1 stop8h 04m

Idaho Falls Fanning Field

Fri 9/19

10:55 pm-1:15 pm

1 stop15h 20m

$195

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 9/26

5:45 am-4:05 pm

1 stop9h 20m

Idaho Falls Fanning Field

Mon 9/29

9:39 pm-9:21 pm

1 stop24h 42m

$229

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 10/10

5:45 am-4:14 pm

1 stop9h 29m

Idaho Falls Fanning Field

Mon 10/13

7:40 pm-9:22 pm

1 stop26h 42m

$229

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 10/17

10:47 am-10:12 pm

1 stop10h 25m

Idaho Falls Fanning Field

Mon 10/20

7:40 pm-9:22 pm

1 stop26h 42m

$243

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 9/5

5:45 am-4:05 pm

1 stop9h 20m

Idaho Falls Fanning Field

Fri 9/12

10:55 pm-1:15 pm

1 stop15h 20m

$270

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 8/28

5:45 am-5:06 pm

2 stops10h 21m

Idaho Falls Fanning Field

Thu 9/4

7:16 pm-10:04 am

1 stop15h 48m

$274

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sat 9/6

5:35 am-10:39 am

1 stop4h 04m

Idaho Falls Fanning Field

Fri 9/12

6:00 am-8:46 am

1 stop3h 46m

$298

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 9/12

5:45 am-4:05 pm

1 stop9h 20m

Idaho Falls Fanning Field

Thu 9/18

8:43 pm-6:19 pm

1 stop22h 36m

$306

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Mon 9/15

5:45 am-2:49 pm

1 stop8h 04m

$106

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 9/5

5:45 am-4:05 pm

1 stop9h 20m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 16 results
1
2

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

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

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

Currently, October is the cheapest month in which you can book a flight from San Francisco to Idaho Falls (average of $380). Flying from San Francisco to Idaho Falls in December is currently the most expensive (average of $578). 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 SFO to IDA?

Find hourly flight availability from San Francisco to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Idaho Falls in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated August 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from San Francisco to Idaho Falls to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,985 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Idaho Falls. 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 San Francisco to Idaho Falls round-trip?

    According to our current data, Alaska Airlines ($244), Delta ($245), and United Airlines ($387) offers the cheapest pricing from San Francisco to Idaho Falls. You may be able to fly from San Francisco to Idaho Falls for 47% less than the average price by searching for these airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Idaho Falls 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 San Francisco to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from San Francisco to Idaho Falls (average of $380). Flying from San Francisco to Idaho Falls in December is currently the most expensive (average of $578). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top 3 airlines flying from San Francisco to Idaho Falls

Discover the top 3 airlines that operate flights from San Francisco to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$244Average$470FlexibilityNo cancel feeOn-time75%
DeltaCheapest$245Average$435FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$550FlexibilityNo cancel feeOn-time69%

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