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Idaho Falls

$118+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IDA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$293
(Delta)

One-way from

$118
(Alaska Airlines)

Popular in

December

Cheapest in

March

Average price

$487
Provider with most accurate pricing for San Francisco-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Idaho Falls Fanning Field flights.
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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. 5% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 4/125:20 pmSFO - IDA
1 stop4h 10mDelta
Sat 10/47:00 pmIDA - SFO
1 stop5h 16mDelta
Deal found 2/20$293
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 4/89:20 amSFO - IDA
1 stop5h 14mAlaska Airlines
Wed 10/88:00 amIDA - SFO
1 stop11h 08mAlaska Airlines
Deal found 2/20$315
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/93:54 pmSFO - IDA
1 stop5h 16mAmerican Airlines
Tue 10/77:27 amIDA - SFO
2 stops16h 00mAmerican Airlines
Deal found 2/20$549
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:30 amSFO - IDA
1 stop8h 23mUnited Airlines
Sun 3/25:44 pmIDA - SFO
1 stop6h 17mUnited Airlines
Deal found 2/19$693
This United deal was found by Cheapflights users on 2/19. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:00 amSFO - IDA
1 stop7h 27mMultiple Airlines
Sun 3/94:07 pmIDA - SFO
1 stop7h 04mMultiple Airlines
Deal found 2/19$765
This Hawaiian Airlines deal was found by Cheapflights users on 2/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/204:39 pmSFO - IDA
1 stop4h 57mHawaiian Airlines
Sat 2/224:07 pmIDA - SFO
1 stop7h 06mHawaiian Airlines
Deal found 2/20$792

Find flights from San Francisco to Idaho Falls within your budget

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 February 20, 2025.

Fly from

San Francisco

Fly to

Idaho Falls

Route

Depart

Return

Price

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sat 4/12

5:20 pm-10:30 pm

1 stop4h 10m

Idaho Falls Fanning Field

Sat 10/4

7:00 pm-11:16 pm

1 stop5h 16m

$293

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Tue 4/8

9:20 am-3:34 pm

1 stop5h 14m

Idaho Falls Fanning Field

Wed 10/8

8:00 am-6:08 pm

1 stop11h 08m

$315

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 4/9

3:54 pm-10:10 pm

1 stop5h 16m

Idaho Falls Fanning Field

Tue 10/7

7:27 am-10:27 pm

2 stops16h 00m

$549

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sat 3/1

6:30 am-3:53 pm

1 stop8h 23m

Idaho Falls Fanning Field

Sun 3/2

5:44 pm-11:01 pm

1 stop6h 17m

$693

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 3/7

5:00 am-1:27 pm

1 stop7h 27m

Idaho Falls Fanning Field

Sun 3/9

4:07 pm-10:11 pm

1 stop7h 04m

$765

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Tue 3/25

9:20 am-3:34 pm

1 stop5h 14m

$118

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 3/26

5:20 pm-10:33 pm

1 stop4h 13m

$119

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 3/27

5:00 am-1:27 pm

1 stop7h 27m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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 February.
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.

Travel insights for flights from San Francisco to Idaho Falls

Get recent, data-driven insights about flights from San Francisco to Idaho Falls including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of $628). 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 February 20, 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.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 20, 2025.
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,697 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,219 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,765 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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, Delta ($293), Alaska Airlines ($315), and American Airlines ($549) offers the cheapest pricing from San Francisco to Idaho Falls. You may be able to fly from San Francisco to Idaho Falls for 36% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $118. Delta flights start at $119 while deals on United Airlines start at $164 one-way.

  • 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 July is currently the most expensive (average of $628). 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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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$253Average$537FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$284Average$460FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$387Average$572FlexibilityNo cancel feeOn-time69%
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