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Idaho Falls

$176+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IDA
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap 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 January 28, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:23 am
SFO
-
IDA
1 stop6h 08m
Alaska Airlines
Wed 6/34:08 pm
IDA
-
SFO
1 stop4h 39m
Alaska Airlines
Deal found 1/26$261
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:21 pm
SFO
-
IDA
1 stop6h 15m
Alaska Airlines
Tue 3/35:20 pm
IDA
-
SFO
1 stop5h 35m
Alaska Airlines
Deal found 1/26$295
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:23 am
SFO
-
IDA
1 stop6h 08m
Alaska Airlines
Mon 6/14:08 pm
IDA
-
SFO
1 stop4h 39m
Alaska Airlines
Deal found 1/26$296
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/268:23 am
SFO
-
IDA
1 stop6h 08m
Alaska Airlines
Fri 6/56:00 am
IDA
-
SFO
1 stop6h 00m
Alaska Airlines
Deal found 1/26$305
This Delta deal was found by Cheapflights users on 1/27. 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.
Tue 6/95:00 pm
SFO
-
IDA
1 stop4h 14m
Delta
Tue 6/163:04 pm
IDA
-
SFO
1 stop4h 31m
Delta
Deal found 1/27$316
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:57 am
SFO
-
IDA
2 stops10h 48m
Alaska Airlines
Wed 6/34:08 pm
IDA
-
SFO
1 stop4h 39m
Alaska Airlines
Deal found 1/26$329
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:23 am
SFO
-
IDA
1 stop6h 08m
Alaska Airlines
Thu 6/46:00 am
IDA
-
SFO
1 stop6h 00m
Alaska Airlines
Deal found 1/26$331
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:26 pm
SFO
-
IDA
1 stop9h 14m
Alaska Airlines
Fri 5/84:06 pm
IDA
-
SFO
1 stop6h 17m
Alaska Airlines
Deal found 1/26$335
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/64:21 pm
SFO
-
IDA
1 stop6h 15m
Alaska Airlines
Fri 3/135:20 pm
IDA
-
SFO
1 stop6h 36m
Alaska Airlines
Deal found 1/26$339

Find 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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(Alaska Airlines)

One-way from

$176
(Alaska Airlines)

Popular in

April

Cheapest in

January

Average price

$238
Provider with most accurate pricing for San Francisco-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Idaho Falls Fanning Field flights.
Search Deals
From San Francisco to Idaho Falls Fanning Field
Search Deals
One-way flight from San Francisco to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 28, 2026.
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

Sat 2/28

4:21 pm-11:36 pm

1 stop6h 15m

Idaho Falls Fanning Field

Tue 3/3

5:20 pm-9:55 pm

1 stop5h 35m

$295

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 3/6

4:21 pm-11:36 pm

1 stop6h 15m

Idaho Falls Fanning Field

Fri 3/13

5:20 pm-10:56 pm

1 stop6h 36m

$339

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Tue 2/3

4:46 pm-10:59 pm

1 stop5h 13m

Idaho Falls Fanning Field

Mon 2/9

6:58 pm-8:47 am

2 stops14h 49m

$448

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 4/17

10:04 pm-4:19 pm

2 stops17h 15m

Idaho Falls Fanning Field

Sun 4/19

6:00 am-9:20 am

1 stop28h 20m

$504

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 2/11

9:56 am-10:59 pm

2 stops12h 03m

Idaho Falls Fanning Field

Sun 2/15

5:20 pm-11:59 pm

1 stop7h 39m

$528

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sat 2/14

4:21 pm-11:36 pm

1 stop6h 15m

Idaho Falls Fanning Field

Thu 2/19

8:00 am-10:56 pm

1 stop15h 56m

$572

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 2/11

2:25 pm-10:59 pm

1 stop7h 34m

$176

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 2/11

9:50 am-5:51 pm

1 stop7h 01m

$200

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 2/11

7:15 pm-8:01 am

2 stops35h 46m

$213

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sun 2/15

3:59 pm-8:01 am

1 stop15h 02m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 results
1
2

Compare providers for flights from San Francisco to Idaho Falls

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 San Francisco to Idaho Falls in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 San Francisco-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Idaho Falls 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 San Francisco-Idaho Falls 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 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, August is the cheapest month in which you can book a flight from San Francisco to Idaho Falls (average of $85). Flying from San Francisco to Idaho Falls in December is currently the most expensive (average of $307). 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.

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 January 28, 2026.
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
11,801 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,801 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,123 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,209 reviews
Alaska Airlines
8.0
Very good
11,801 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from San Francisco to Idaho Falls?

    Departing from San Francisco to Idaho Falls will take you 6h 15m. The distance between San Francisco and Idaho Falls is about 676 mi.

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

    According to our current data, Delta ($235), Alaska Airlines ($238), and United Airlines ($309) offers the cheapest pricing from San Francisco to Idaho Falls. You may be able to fly from San Francisco to Idaho Falls for 45% 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, August is the cheapest month in which you can book a flight from San Francisco to Idaho Falls (average of $85). Flying from San Francisco to Idaho Falls in December is currently the most expensive (average of $307). 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$235Average$396FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$238Average$412FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$309Average$550FlexibilityNo cancel feeOn-time69%

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