$132+ Cheap flights from San Francisco to Idaho Falls (SFO - IDA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IDA
Nov 1 — Nov 81
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Idaho Falls with Cheapflights
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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 October 2, 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 October 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 12/912:37 pm -
1 stop25h 38m
Mon 12/147:58 pm -
1 stop18h 55m
Deal found 10/2![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/61:37 pm -
1 stop4h 57m
Mon 11/97:47 pm -
1 stop13h 32m
Deal found 9/29![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:37 pm -
1 stop5h 01m
Fri 11/68:24 pm -
1 stop12h 55m
Deal found 9/30![Multiple Airlines logo]()
$349
This Expedia deal was found by Cheapflights users on 10/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:43 am -
2 stops14h 16m
Wed 11/41:53 pm -
1 stop7h 54m
Deal found 10/1![Alaska Airlines logo]()
$362
This deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:42 am -
1 stop4h 34m
Mon 11/93:55 pm -
1 stop4h 25m
Deal found 9/30![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 11/122:47 pm -
2 stops6h 12m
Sun 11/156:57 pm -
1 stop6h 02m
Deal found 9/29![Delta logo]()
$396
This Travelocity deal was found by Cheapflights users on 9/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:43 am -
1 stop4h 38m
Sat 10/316:09 am -
2 stops10h 43m
Deal found 9/27![Alaska Airlines logo]()
$409
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 October 2, 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 October 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 12/912:37 pm -
1 stop25h 38m
Mon 12/147:58 pm -
1 stop18h 55m
Deal found 10/2![Multiple Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 11/125:19 pm -
1 stop3h 40m
Sun 11/156:57 pm -
1 stop6h 02m
Deal found 9/29![Delta logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/173:21 pm -
1 stop6h 38m
Wed 10/216:09 am -
1 stop7h 17m
Deal found 9/27![Alaska Airlines logo]()
$426
This deal was found by Cheapflights users on 10/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:42 am -
1 stop4h 34m
Sun 11/153:55 pm -
1 stop4h 54m
Deal found 10/1![Alaska Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:35 pm -
1 stop7h 24m
Fri 10/1610:49 pm -
1 stop10h 24m
Deal found 9/30![Multiple Airlines logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 9/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:43 am -
1 stop4h 38m
Sat 10/173:57 pm -
1 stop4h 50m
Deal found 9/27![Alaska Airlines logo]()
$475
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Wed 11/2510:43 am -
1 stop6h 04m
Sun 11/296:37 pm -
2 stops28h 27m
Deal found 9/27![Multiple Airlines logo]()
$506
Last-minute flights from San Francisco to Idaho FallsDiscover last-minute flight deals from San Francisco to Idaho Falls. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Idaho Falls. Data last updated October 2, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:00 am -
1 stop10h 59m
Tue 10/201:58 pm -
1 stop5h 03m
Deal found 9/28![Alaska Airlines logo]()
$426
This Travelocity deal was found by Cheapflights users on 9/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:43 am -
1 stop4h 38m
Sat 10/316:09 am -
2 stops10h 43m
Deal found 9/27![Alaska Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:37 pm -
1 stop5h 01m
Fri 11/68:24 pm -
1 stop12h 55m
Deal found 9/30![Multiple Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 10/3011:42 am -
1 stop24h 39m
Mon 11/23:55 pm -
1 stop18h 05m
Deal found 10/1![Alaska Airlines logo]()
$420
This Expedia deal was found by Cheapflights users on 10/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:43 am -
1 stop4h 38m
Wed 11/41:53 pm -
1 stop5h 08m
Deal found 10/1![Alaska Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/61:37 pm -
1 stop4h 57m
Mon 11/97:47 pm -
1 stop13h 32m
Deal found 9/29![Multiple Airlines logo]()
$233
This deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:42 am -
1 stop4h 34m
Mon 11/93:55 pm -
1 stop4h 25m
Deal found 9/30![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 9/29. 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.
Thu 11/122:47 pm -
2 stops6h 12m
Sun 11/156:57 pm -
1 stop6h 02m
Deal found 9/29![Delta logo]()
$396
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 October 2, 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 October 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Wed 10/287:25 pm -
2 stops41h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$132
This Delta deal was found by Cheapflights users on 9/28. 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 10/215:13 pm -
1 stop3h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$171
This Delta deal was found by Cheapflights users on 9/28. 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 10/125:50 am -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$196
This Delta deal was found by Cheapflights users on 9/28. 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.
Tue 10/276:20 am -
2 stops10h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$215
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:50 am -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Delta logo]()
$219
This Priceline deal was found by Cheapflights users on 10/1. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:21 pm -
1 stop5h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Alaska Airlines logo]()
$221
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 10/317:08 am -
2 stops14h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Alaska Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 9/29. 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 10/65:13 pm -
1 stop3h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Delta logo]()
$246
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 October 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Kiwi.com) |
One-way from | $132 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $609 |
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 7,457,451 searches. Data last updated October 2, 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
Quickest round-trip
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Wed 10/21
5:13 pm-10:10 pm
1 stop3h 57m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$171
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Tue 10/27
5:13 pm-10:10 pm
1 stop3h 57m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$171
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Wed 12/9
12:37 pm-3:15 pm
1 stop25h 38m
Idaho Falls Fanning Field
Mon 12/14
7:58 pm-1:53 pm
1 stop18h 55m
$174
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Wed 10/21
3:21 pm-10:59 pm
1 stop6h 38m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$196
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Mon 10/12
5:50 am-12:22 pm
1 stop5h 32m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$196
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Tue 10/13
5:13 pm-10:10 pm
1 stop3h 57m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$196
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Sat 10/31
5:50 am-12:22 pm
1 stop5h 32m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$219
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Sat 10/24
4:21 pm-10:59 pm
1 stop5h 38m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$221
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Sat 10/31
7:08 am-10:59 pm
2 stops14h 51m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$238
San FranciscoIdaho Falls
SFO San Francisco - IDA Idaho Falls Fanning Field
SFOIDA
San Francisco
Thu 11/12
5:19 pm-9:59 pm
1 stop3h 40m
Idaho Falls Fanning Field
Sun 11/15
6:57 pm-11:59 pm
1 stop6h 02m
$391
Showing 1-10 of 15 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 October.
| 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 October 2, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and Delta 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.
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Comfort
7.8
Entertainment
7.0
Food
7.0
Crew
8.5
Boarding
8.1
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip
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Alternative routes for San Francisco to Idaho Falls
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Complete your trip
Complete your trip to Idaho Falls by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Idaho Falls by cabin class
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 October 2, 2026.
San Francisco and Idaho Falls flights
Browse other San Francisco and Idaho Falls flight options. Last updated on October 2, 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 October 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Francisco to Idaho Falls
Discover the top 2 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 7,457,451 searches. Data last updated October 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$447 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$310 | Average$492 | FlexibilityNo cancel fee | On-timeN/A |