$156+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — IDA
Jul 9 — Jul 161
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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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 June 9, 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 June 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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
1 stop17h 38m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/810:23 pm
SFO
- IDA
2 stops33h 34m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
1 stop12h 43m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 7/710:23 pm
SFO
- IDA
2 stops33h 32m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
1 stop17h 38m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/239:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 7/2710:47 pm
IDA
- SFO
1 stop12h 43m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/107:08 pm
SFO
- IDA
1 stop19h 05m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
1 stop17h 38m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/117:08 pm
SFO
- IDA
1 stop12h 47m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
1 stop12h 43m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$291
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 June 9, 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 June 9, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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 7/185:05 pm
SFO
- IDA
1 stop4h 27m
Delta
Sat 7/257:00 pm
IDA
- SFO
1 stop5h 20m
Delta
Deal found 6/3![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 7/317:46 pm
SFO
- IDA
2 stops18h 51m
Alaska Airlines
Mon 8/34:14 pm
IDA
- SFO
1 stop4h 16m
Alaska Airlines
Deal found 6/8![Alaska Airlines logo]()
$391
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 6/1110:58 pm
SFO
- IDA
1 stop16h 10m
Multiple Airlines
Mon 6/1510:56 pm
IDA
- SFO
1 stop12h 32m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$412
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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 6/293:50 pm
SFO
- IDA
1 stop5h 49m
Alaska Airlines
Fri 7/37:15 am
IDA
- SFO
1 stop7h 49m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 6/3. 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 6/225:50 am
SFO
- IDA
1 stop3h 53m
Delta
Fri 6/267:00 pm
IDA
- SFO
1 stop4h 05m
Delta
Deal found 6/3![Delta logo]()
$449
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 7/315:50 am
SFO
- IDA
1 stop3h 53m
Delta
Sun 8/26:00 am
IDA
- SFO
1 stop3h 51m
Delta
Deal found 6/6![Delta logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 6/5. 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.
Sun 6/287:20 am
SFO
- IDA
1 stop4h 46m
Alaska Airlines
Sat 7/47:15 am
IDA
- SFO
2 stops8h 36m
Alaska Airlines
Deal found 6/5![Alaska Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 7/105:07 pm
SFO
- IDA
1 stop4h 25m
Delta
Wed 7/156:00 am
IDA
- SFO
1 stop3h 51m
Delta
Deal found 6/6![Delta logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Sun 6/287:03 am
SFO
- IDA
1 stop7h 34m
Alaska Airlines
Wed 7/87:15 am
IDA
- SFO
1 stop7h 49m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 6/7. 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 6/169:55 am
SFO
- IDA
1 stop3h 42m
Delta
Thu 6/187:00 pm
IDA
- SFO
1 stop4h 05m
Delta
Deal found 6/7![Delta logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 6/4. 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 7/107:03 am
SFO
- IDA
1 stop7h 34m
Alaska Airlines
Sun 7/124:14 pm
IDA
- SFO
2 stops18h 06m
Alaska Airlines
Deal found 6/4![Alaska Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 6/7. 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.
Fri 6/195:25 pm
SFO
- IDA
1 stop4h 06m
Delta
Mon 6/227:00 pm
IDA
- SFO
1 stop5h 58m
Delta
Deal found 6/7![Delta logo]()
$482
Last-minute flights from San Francisco to Idaho FallsDiscover last-minute flight deals from San Francisco to Idaho Falls. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Idaho Falls. Data last updated June 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Tue 7/710:23 pm
SFO
- IDA
2 stops33h 32m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
1 stop17h 38m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/810:23 pm
SFO
- IDA
2 stops33h 34m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
1 stop12h 43m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 6/4. 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
1 stop17h 38m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/107:08 pm
SFO
- IDA
1 stop19h 05m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
1 stop17h 38m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 6/4. 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 7/117:08 pm
SFO
- IDA
1 stop12h 47m
Multiple Airlines
Mon 7/1310:47 pm
IDA
- SFO
1 stop12h 43m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$291
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 7/239:00 pm
SFO
- IDA
1 stop18h 00m
Multiple Airlines
Mon 7/2710:47 pm
IDA
- SFO
1 stop12h 43m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$273
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 June 9, 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 June 9, 2026.
This Delta deal was found by Cheapflights users on 6/3. 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 7/85:07 pm
SFO
- IDA
1 stop4h 25m
Delta
Deal found 6/3![Delta logo]()
$156
This Delta deal was found by Cheapflights users on 6/8. 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 6/241:20 pm
SFO
- IDA
1 stop3h 57m
Delta
Deal found 6/8![Delta logo]()
$181
This Trip.com deal was found by Cheapflights users on 6/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1912:08 pm
SFO
- IDA
1 stop25h 52m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 7/105:07 pm
SFO
- IDA
1 stop4h 25m
Delta
Deal found 6/6![Delta logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/210:58 pm
SFO
- IDA
1 stop16h 02m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$203
This CheapOair deal was found by Cheapflights users on 6/3. 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.
Wed 7/89:43 pm
SFO
- IDA
2 stops14h 23m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/84:30 pm
SFO
- IDA
3 stops39h 27m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/105:47 pm
SFO
- IDA
3 stops20h 26m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$213
This Delta deal was found by Cheapflights users on 6/8. 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 9/52:36 pm
SFO
- IDA
2 stops19h 14m
Delta
Deal found 6/8![Delta logo]()
$226
This CheapOair deal was found by Cheapflights users on 6/3. 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.
Wed 7/159:43 pm
SFO
- IDA
2 stops16h 54m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$229
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:13 pm
SFO
- IDA
2 stops24h 43m
Alaska Airlines
Deal found 6/3![Alaska Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 6/3. 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 7/159:00 pm
SFO
- IDA
3 stops34h 57m
Multiple Airlines
Deal found 6/3![Multiple Airlines logo]()
$232
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 June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $249 (Kiwi.com) |
One-way from | $156 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $447 |
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 9, 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
Sat 7/18
5:05 pm-10:32 pm
1 stop4h 27m
Idaho Falls Fanning Field
Sat 7/25
7:00 pm-11:20 pm
1 stop5h 20m
$361
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Fri 7/31
7:46 pm-3:37 pm
2 stops18h 51m
Idaho Falls Fanning Field
Mon 8/3
4:14 pm-7:30 pm
1 stop4h 16m
$391
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Mon 6/29
3:50 pm-10:39 pm
1 stop5h 49m
Idaho Falls Fanning Field
Fri 7/3
7:15 am-2:04 pm
1 stop7h 49m
$401
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Thu 6/11
10:58 pm-4:08 pm
1 stop16h 10m
Idaho Falls Fanning Field
Mon 6/15
10:56 pm-10:28 am
1 stop12h 32m
$412
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Mon 6/22
5:50 am-10:43 am
1 stop3h 53m
Idaho Falls Fanning Field
Fri 6/26
7:00 pm-10:05 pm
1 stop4h 05m
$449
Quickest round-trip
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Fri 7/31
5:50 am-10:43 am
1 stop3h 53m
Idaho Falls Fanning Field
Sun 8/2
6:00 am-8:51 am
1 stop3h 51m
$450
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Fri 7/10
5:07 pm-10:32 pm
1 stop4h 25m
Idaho Falls Fanning Field
Wed 7/15
6:00 am-8:51 am
1 stop3h 51m
$450
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Tue 6/16
9:55 am-2:37 pm
1 stop3h 42m
Idaho Falls Fanning Field
Thu 6/18
7:00 pm-10:05 pm
1 stop4h 05m
$461
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Fri 6/19
5:25 pm-10:31 pm
1 stop4h 06m
Idaho Falls Fanning Field
Mon 6/22
7:00 pm-11:58 pm
1 stop5h 58m
$482
San FranciscoIdaho Falls
SFO - IDA
SFOIDA
San Francisco
Sun 6/28
7:20 am-1:06 pm
1 stop4h 46m
Idaho Falls Fanning Field
Sat 7/4
7:15 am-2:51 pm
2 stops8h 36m
$490
Showing 1-10 of 24 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 June.
| 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 March is currently the most expensive (average of $566). 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 June 9, 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.
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
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.
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 June 9, 2026.
San Francisco and Idaho Falls flights
Browse other San Francisco and Idaho Falls flight options. Last updated on June 9, 2026.
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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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$379 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$277 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$309 | Average$496 | FlexibilityNo cancel fee | On-time69% |