$115+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IDA
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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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
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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 San Francisco to Idaho Falls
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Best
Last-minute
One-way
Cheapest flights from San Francisco to Idaho FallsExplore 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 July 1, 2026.
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 July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 8/69:05 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 8/1010:54 pm
IDA
- SFO
1 stop23h 18m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/309:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 8/1010:54 pm
IDA
- SFO
1 stop23h 18m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 8/310:47 pm
IDA
- SFO
1 stop12h 43m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Sun 8/29:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 8/1010:54 pm
IDA
- SFO
1 stop23h 18m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 10/236:22 am
SFO
- IDA
1 stop6h 12m
Multiple Airlines
Mon 10/267:30 pm
IDA
- SFO
1 stop5h 21m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Sat 8/15:26 pm
SFO
- IDA
2 stops38h 31m
Multiple Airlines
Fri 8/710:54 pm
IDA
- SFO
1 stop10h 49m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 6/29. 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 7/285:50 am
SFO
- IDA
1 stop3h 53m
Delta
Mon 8/107:00 pm
IDA
- SFO
1 stop5h 57m
Delta
Deal found 6/29![Delta logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/3011:20 am
SFO
- IDA
2 stops26h 40m
Multiple Airlines
Fri 8/710:54 pm
IDA
- SFO
1 stop10h 49m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 6/29. 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 7/285:50 am
SFO
- IDA
1 stop3h 53m
Delta
Sat 8/86:00 am
IDA
- SFO
2 stops14h 43m
Delta
Deal found 6/29![Delta logo]()
$332
Best flights from San Francisco to Idaho FallsDiscover carefully curated flight deals from San Francisco to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from San Francisco to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 7/295:50 am
SFO
- IDA
1 stop3h 53m
Delta
Thu 8/67:00 pm
IDA
- SFO
1 stop5h 57m
Delta
Deal found 6/29![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 10/274:18 pm
SFO
- IDA
1 stop5h 36m
Alaska Airlines
Sat 10/316:09 am
IDA
- SFO
2 stops11h 37m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 6/28. 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.
Mon 8/175:50 am
SFO
- IDA
1 stop4h 00m
Delta
Thu 8/207:00 pm
IDA
- SFO
1 stop3h 59m
Delta
Deal found 6/28![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 6/30. 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 8/155:50 am
SFO
- IDA
1 stop4h 00m
Delta
Tue 8/187:00 pm
IDA
- SFO
1 stop3h 59m
Delta
Deal found 6/30![Delta logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 6/28. 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 7/213:50 pm
SFO
- IDA
1 stop5h 49m
Alaska Airlines
Wed 7/297:15 am
IDA
- SFO
2 stops8h 36m
Alaska Airlines
Deal found 6/28![Alaska Airlines logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 7/317:20 am
SFO
- IDA
1 stop4h 46m
Alaska Airlines
Mon 8/34:14 pm
IDA
- SFO
2 stops8h 28m
Alaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 6/28. 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.
Wed 7/225:50 am
SFO
- IDA
1 stop3h 53m
Delta
Thu 7/306:00 am
IDA
- SFO
2 stops16h 49m
Delta
Deal found 6/28![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 6/27. 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.
Mon 7/205:50 am
SFO
- IDA
1 stop3h 53m
Delta
Sat 7/256:00 am
IDA
- SFO
2 stops14h 30m
Delta
Deal found 6/27![Delta logo]()
$409
Last-minute flights from San Francisco to Idaho FallsDiscover last-minute flight deals from San Francisco to Idaho Falls. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Idaho Falls. Data last updated July 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
2 stops23h 51m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 6/29. 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 7/285:50 am
SFO
- IDA
1 stop3h 53m
Delta
Mon 8/107:00 pm
IDA
- SFO
1 stop5h 57m
Delta
Deal found 6/29![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 6/29. 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 7/285:50 am
SFO
- IDA
1 stop3h 53m
Delta
Sat 8/86:00 am
IDA
- SFO
2 stops14h 43m
Delta
Deal found 6/29![Delta logo]()
$332
This Delta deal was found by Cheapflights users on 6/29. 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 7/285:50 am
SFO
- IDA
1 stop3h 53m
Delta
Fri 8/77:00 pm
IDA
- SFO
1 stop5h 57m
Delta
Deal found 6/29![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 6/29. 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 7/287:00 am
SFO
- IDA
2 stops10h 18m
Delta
Wed 8/57:00 pm
IDA
- SFO
1 stop5h 57m
Delta
Deal found 6/29![Delta logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Wed 7/297:54 pm
SFO
- IDA
2 stops36h 03m
Multiple Airlines
Fri 8/710:54 pm
IDA
- SFO
1 stop10h 49m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/309:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 8/1010:54 pm
IDA
- SFO
1 stop23h 18m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/309:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 8/310:47 pm
IDA
- SFO
1 stop12h 43m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$263
One-way flights from San Francisco to Idaho FallsSearch for one-way flight options from San Francisco to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from San Francisco to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 9/249:00 pm
SFO
- IDA
1 stop13h 58m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:56 pm
SFO
- IDA
1 stop15h 51m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Sat 8/17:08 pm
SFO
- IDA
1 stop12h 47m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$143
This Delta deal was found by Cheapflights users on 6/28. 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 7/305:07 pm
SFO
- IDA
1 stop4h 25m
Delta
Deal found 6/28![Delta logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 7/3110:23 pm
SFO
- IDA
2 stops33h 32m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$175
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 7/307:20 am
SFO
- IDA
1 stop4h 46m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 7/303:43 pm
SFO
- IDA
1 stop23h 17m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 6/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:07 pm
SFO
- IDA
2 stops29h 23m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:50 am
SFO
- IDA
1 stop4h 00m
Delta
Deal found 6/26![Delta logo]()
$191
This CheapOair deal was found by Cheapflights users on 7/1. 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.
Fri 7/317:20 am
SFO
- IDA
1 stop4h 46m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$196
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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $203 (Kiwi.com) |
One-way from | $115 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $550 |
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 July 1, 2026.
Use the filters below to find and compare flights from San Francisco to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Wed 7/29
5:50 am-10:43 am
1 stop3h 53m
Idaho Falls Fanning Field
Thu 8/6
7:00 pm-11:57 pm
1 stop5h 57m
$311
Quickest round-trip
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Mon 8/17
5:50 am-10:50 am
1 stop4h 00m
Idaho Falls Fanning Field
Thu 8/20
7:00 pm-9:59 pm
1 stop3h 59m
$311
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Sat 8/15
5:50 am-10:50 am
1 stop4h 00m
Idaho Falls Fanning Field
Tue 8/18
7:00 pm-9:59 pm
1 stop3h 59m
$351
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Tue 10/27
4:18 pm-10:54 pm
1 stop5h 36m
Idaho Falls Fanning Field
Sat 10/31
6:09 am-4:46 pm
2 stops11h 37m
$357
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Wed 7/22
5:50 am-10:43 am
1 stop3h 53m
Idaho Falls Fanning Field
Thu 7/30
6:00 am-9:49 pm
2 stops16h 49m
$404
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Mon 7/20
5:50 am-10:43 am
1 stop3h 53m
Idaho Falls Fanning Field
Sat 7/25
6:00 am-7:30 pm
2 stops14h 30m
$409
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Tue 7/21
3:50 pm-10:39 pm
1 stop5h 49m
Idaho Falls Fanning Field
Wed 7/29
7:15 am-2:51 pm
2 stops8h 36m
$413
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Fri 7/31
7:20 am-1:06 pm
1 stop4h 46m
Idaho Falls Fanning Field
Mon 8/3
4:14 pm-11:42 pm
2 stops8h 28m
$429
Cheapest one-way
Quickest one-way
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Tue 7/28
5:50 am-10:43 am
1 stop3h 53m
$156
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Thu 7/30
5:07 pm-10:32 pm
1 stop4h 25m
$156
Showing 1-10 of 17 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SFO-IDA
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, January is the cheapest month in which you can book a flight from San Francisco to Idaho Falls (average of $238). Flying from San Francisco to Idaho Falls in November is currently the most expensive (average of $616). 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.
How much does it cost to fly round-trip from San Francisco to Idaho Falls?
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 July 1, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited 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.
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Boarding
8.1
Comfort
7.8
Food
7.1
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Find flights from San Francisco to Idaho Falls, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
San Francisco and Idaho Falls flights
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Other flights from San Francisco
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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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$447 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$277 | Average$490 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$309 | Average$496 | FlexibilityNo cancel fee | On-time69% |