$123+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IDA
Apr 20 — Apr 271
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Idaho Falls with Cheapflights
1. Tell us where you want to go
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
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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 March 21, 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 March 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
SFO
- IDA
1 stop7h 29m
Alaska Airlines
Sat 5/26:00 am
IDA
- SFO
1 stop15h 14m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 5/197:40 am
SFO
- IDA
1 stop4h 37m
Alaska Airlines
Wed 5/274:03 pm
IDA
- SFO
1 stop4h 53m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 5/197:40 am
SFO
- IDA
1 stop4h 37m
Alaska Airlines
Thu 5/284:03 pm
IDA
- SFO
1 stop4h 53m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$311
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:26 pm
SFO
- IDA
1 stop9h 14m
Alaska Airlines
Tue 5/124:06 pm
IDA
- SFO
1 stop7h 22m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 3/18. 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.
Sun 5/175:40 am
SFO
- IDA
1 stop4h 07m
Delta
Wed 5/276:54 pm
IDA
- SFO
1 stop6h 33m
Delta
Deal found 3/18![Delta logo]()
$321
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines 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 5/86:00 am
IDA
- SFO
1 stop5h 56m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 5/197:40 am
SFO
- IDA
1 stop4h 37m
Alaska Airlines
Sun 5/246:00 am
IDA
- SFO
1 stop6h 00m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 3/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:55 pm
SFO
- IDA
1 stop4h 47m
Delta
Thu 6/411:30 am
IDA
- SFO
1 stop5h 28m
Delta
Deal found 3/16![Delta logo]()
$346
This SmartFares deal was found by Cheapflights users on 3/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:00 am
SFO
- IDA
1 stop5h 29m
Alaska Airlines
Sat 5/26:00 am
IDA
- SFO
1 stop5h 56m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 3/18. 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.
Sun 5/175:40 am
SFO
- IDA
1 stop4h 07m
Delta
Sat 5/306:54 pm
IDA
- SFO
1 stop4h 33m
Delta
Deal found 3/18![Delta logo]()
$351
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 March 21, 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 March 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
SFO
- IDA
1 stop7h 29m
Alaska Airlines
Sat 5/26:00 am
IDA
- SFO
1 stop15h 14m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 3/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 am
SFO
- IDA
1 stop3h 39m
Delta
Sat 8/156:10 am
IDA
- SFO
1 stop3h 59m
Delta
Deal found 3/19![Delta logo]()
$341
This Delta deal was found by Cheapflights users on 3/18. 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 5/195:40 am
SFO
- IDA
1 stop4h 07m
Delta
Sun 5/246:54 pm
IDA
- SFO
1 stop4h 33m
Delta
Deal found 3/18![Delta logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 5/207:40 am
SFO
- IDA
1 stop4h 37m
Alaska Airlines
Fri 5/294:03 pm
IDA
- SFO
1 stop4h 53m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:40 am
SFO
- IDA
1 stop4h 37m
Alaska Airlines
Thu 6/44:03 pm
IDA
- SFO
2 stops18h 27m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$419
Last-minute flights from San Francisco to Idaho FallsDiscover last-minute flight deals from San Francisco to Idaho Falls. Data last updated March 21, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Idaho Falls. Data last updated March 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
Mon 3/3010:35 pm
SFO
- IDA
1 stop13h 05m
Multiple Airlines
Tue 4/71:22 pm
IDA
- SFO
2 stops32h 51m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$378
This SmartFares deal was found by Cheapflights users on 3/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:00 am
SFO
- IDA
1 stop5h 29m
Alaska Airlines
Sat 5/26:00 am
IDA
- SFO
1 stop5h 56m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
SFO
- IDA
1 stop7h 29m
Alaska Airlines
Sat 5/26:00 am
IDA
- SFO
1 stop15h 14m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$292
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 March 21, 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 March 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 5/1710:40 pm
SFO
- IDA
1 stop15h 47m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 6/2810:50 pm
SFO
- IDA
1 stop16h 18m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$141
This Delta deal was found by Cheapflights users on 3/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/226:00 am
SFO
- IDA
1 stop3h 39m
Delta
Deal found 3/19![Delta logo]()
$151
This CheapOair deal was found by Cheapflights users on 3/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:00 pm
SFO
- IDA
1 stop7h 40m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$161
This Delta deal was found by Cheapflights users on 3/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:40 am
SFO
- IDA
1 stop4h 07m
Delta
Deal found 3/19![Delta logo]()
$181
This Delta deal was found by Cheapflights users on 3/21. 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 5/235:55 pm
SFO
- IDA
1 stop3h 47m
Delta
Deal found 3/21![Delta logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 6/2510:50 pm
SFO
- IDA
1 stop16h 18m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$197
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 March 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (Alaska Airlines) |
One-way from | $123 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $560 |
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 March 21, 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
Tue 4/28
7:00 am-3:29 pm
1 stop7h 29m
Idaho Falls Fanning Field
Sat 5/2
6:00 am-8:14 pm
1 stop15h 14m
$292
Quickest round-trip
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Sun 8/9
6:00 am-10:39 am
1 stop3h 39m
Idaho Falls Fanning Field
Sat 8/15
6:10 am-9:09 am
1 stop3h 59m
$341
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Tue 5/19
5:40 am-10:47 am
1 stop4h 07m
Idaho Falls Fanning Field
Sun 5/24
6:54 pm-10:27 pm
1 stop4h 33m
$371
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Wed 5/20
7:40 am-1:17 pm
1 stop4h 37m
Idaho Falls Fanning Field
Fri 5/29
4:03 pm-7:56 pm
1 stop4h 53m
$371
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Tue 6/2
7:40 am-1:17 pm
1 stop4h 37m
Idaho Falls Fanning Field
Thu 6/4
4:03 pm-9:30 am
2 stops18h 27m
$419
Cheapest one-way
Quickest one-way
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Mon 6/22
6:00 am-10:39 am
1 stop3h 39m
$151
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Thu 9/10
4:44 pm-10:39 pm
1 stop4h 55m
$161
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Mon 5/4
2:00 pm-10:40 pm
1 stop7h 40m
$161
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Sun 5/24
5:40 am-10:47 am
1 stop4h 07m
$181
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Sat 5/23
5:55 pm-10:42 pm
1 stop3h 47m
$191
Showing 1-10 of 13 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 March.
| 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
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 March 21, 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.
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Comfort
7.8
Boarding
8.1
Crew
8.5
Food
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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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 March 21, 2026.
San Francisco and Idaho Falls flights
Browse other San Francisco and Idaho Falls flight options. Last updated on March 21, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on March 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 March 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$235 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$412 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$309 | Average$548 | FlexibilityNo cancel fee | On-time69% |