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Idaho Falls

$124+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IDA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$240
(Alaska Airlines)

One-way from

$124
(Delta)

Popular in

April

Cheapest in

June

Average price

$309
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 ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/309:15 amSFO - IDA
1 stop5h 07mAlaska Airlines
Tue 8/56:15 amIDA - SFO
1 stop5h 14mAlaska Airlines
Deal found 6/10$240
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 8/145:35 amSFO - IDA
1 stop4h 04mDelta
Tue 8/196:52 pmIDA - SFO
1 stop5h 56mDelta
Deal found 6/11$241
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 6/172:37 pmSFO - IDA
1 stop7h 14mUnited Airlines
Thu 6/192:25 pmIDA - SFO
1 stop8h 07mUnited Airlines
Deal found 6/11$551
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/66:25 pmSFO - IDA
2 stops21h 39mMultiple Airlines
Sat 8/98:40 pmIDA - SFO
3 stops36h 28mMultiple Airlines
Deal found 6/10$618

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 June 12, 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

Wed 7/30

9:15 am-3:22 pm

1 stop5h 07m

Idaho Falls Fanning Field

Tue 8/5

6:15 am-10:29 am

1 stop5h 14m

$240

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 8/14

5:35 am-10:39 am

1 stop4h 04m

Idaho Falls Fanning Field

Tue 8/19

6:52 pm-11:48 pm

1 stop5h 56m

$241

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Sat 7/26

4:44 pm-10:39 pm

1 stop4h 55m

Idaho Falls Fanning Field

Tue 7/29

4:03 pm-9:12 pm

1 stop6h 09m

$441

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Tue 6/17

2:37 pm-10:51 pm

1 stop7h 14m

Idaho Falls Fanning Field

Thu 6/19

2:25 pm-9:32 pm

1 stop8h 07m

$551

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Wed 8/6

6:25 pm-5:04 pm

2 stops21h 39m

Idaho Falls Fanning Field

Sat 8/9

8:40 pm-8:08 am

3 stops36h 28m

$618

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 8/15

5:35 am-10:39 am

1 stop4h 04m

$124

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Thu 7/24

8:49 pm-3:22 pm

1 stop17h 33m

$126

San FranciscoIdaho Falls

SFO - IDA

SFOIDA

San Francisco

Fri 8/29

11:03 pm-5:23 pm

2 stops17h 20m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 12, 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 June 12, 2025.
To help decide which airline to fly from San Francisco to Idaho Falls, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. 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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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 ($240), Delta ($241), and Hawaiian Airlines ($441) offers the cheapest pricing from San Francisco to Idaho Falls. You may be able to fly from San Francisco to Idaho Falls for 49% 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 Delta, which is currently one of the cheapest options available, starting at $124. Alaska Airlines flights start at $126 while deals on United Airlines start at $278 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 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$244Average$474FlexibilityNo cancel feeOn-time75%
DeltaCheapest$245Average$508FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$387Average$572FlexibilityNo cancel feeOn-time69%

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