$233+ Cheap flights from Idaho Falls to Santa Rosa (IDA - STS)
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — STS
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls to Santa Rosa 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 Idaho Falls to Santa Rosa
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Best
Last-minute
One-way
Cheapest flights from Idaho Falls to Santa RosaExplore the most affordable flight options available from Idaho Falls to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Idaho Falls to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:58 pm -
2 stops21h 01m
Thu 10/296:19 am -
2 stops30h 02m
Deal found 9/10![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:05 pm -
1 stop4h 00m
Mon 10/124:49 pm -
1 stop4h 21m
Deal found 9/10![Delta logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/83:57 pm -
1 stop4h 50m
Thu 10/156:19 am -
2 stops30h 02m
Deal found 9/9![Alaska Airlines logo]()
$490
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:57 pm -
1 stop6h 02m
Tue 9/227:03 am -
1 stop7h 17m
Deal found 9/8![Alaska Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop5h 41m
Sat 10/104:49 pm -
1 stop4h 21m
Deal found 9/10![Delta logo]()
$500
Best flights from Idaho Falls to Santa RosaDiscover carefully curated flight deals from Idaho Falls to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Idaho Falls to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:58 pm -
2 stops21h 01m
Thu 10/296:19 am -
2 stops30h 02m
Deal found 9/10![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:05 pm -
1 stop4h 00m
Mon 10/124:49 pm -
1 stop4h 21m
Deal found 9/10![Delta logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/83:57 pm -
1 stop4h 50m
Thu 10/156:19 am -
2 stops30h 02m
Deal found 9/9![Alaska Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop5h 41m
Sat 10/104:49 pm -
1 stop4h 21m
Deal found 9/10![Delta logo]()
$500
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/156:00 am -
1 stop5h 41m
Mon 10/194:49 pm -
1 stop4h 21m
Deal found 9/7![Delta logo]()
$512
Last-minute flights from Idaho Falls to Santa RosaDiscover last-minute flight deals from Idaho Falls to Santa Rosa. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Santa Rosa. Data last updated September 11, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:57 pm -
1 stop6h 02m
Tue 9/227:03 am -
1 stop7h 17m
Deal found 9/8![Alaska Airlines logo]()
$491
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/83:57 pm -
1 stop4h 50m
Thu 10/156:19 am -
2 stops30h 02m
Deal found 9/9![Alaska Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
1 stop5h 41m
Sat 10/104:49 pm -
1 stop4h 21m
Deal found 9/10![Delta logo]()
$500
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:05 pm -
1 stop4h 00m
Mon 10/124:49 pm -
1 stop4h 21m
Deal found 9/10![Delta logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:58 pm -
2 stops21h 01m
Thu 10/296:19 am -
2 stops30h 02m
Deal found 9/10![Alaska Airlines logo]()
$417
One-way flights from Idaho Falls to Santa RosaSearch for one-way flight options from Idaho Falls to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Idaho Falls to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 11/26:00 am -
1 stop5h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$233
Find flight deals from Idaho Falls to Santa Rosa
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Santa Rosa (STS). 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $417 (Alaska Airlines) |
One-way from | $233 (Delta) |
Popular in | February |
Cheapest in | November |
Average price | $557 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to Santa Rosa 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 September 11, 2026.
Use the filters below to find and compare flights from Idaho Falls to Santa Rosa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Idaho FallsSanta Rosa
IDA Idaho Falls Fanning Field - STS Santa Rosa Sonoma County
IDASTS
Idaho Falls Fanning Field
Mon 11/2
6:00 am-10:41 am
1 stop5h 41m
Santa Rosa Sonoma County
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$233
Idaho FallsSanta Rosa
IDA Idaho Falls Fanning Field - STS Santa Rosa Sonoma County
IDASTS
Idaho Falls Fanning Field
Fri 10/23
1:58 pm-9:59 am
2 stops21h 01m
Santa Rosa Sonoma County
Thu 10/29
6:19 am-1:21 pm
2 stops30h 02m
$417
Idaho FallsSanta Rosa
IDA Idaho Falls Fanning Field - STS Santa Rosa Sonoma County
IDASTS
Idaho Falls Fanning Field
Sun 10/11
1:05 pm-4:05 pm
1 stop4h 00m
Santa Rosa Sonoma County
Mon 10/12
4:49 pm-10:10 pm
1 stop4h 21m
$485
Idaho FallsSanta Rosa
IDA Idaho Falls Fanning Field - STS Santa Rosa Sonoma County
IDASTS
Idaho Falls Fanning Field
Thu 10/8
3:57 pm-7:47 pm
1 stop4h 50m
Santa Rosa Sonoma County
Thu 10/15
6:19 am-1:21 pm
2 stops30h 02m
$490
Idaho FallsSanta Rosa
IDA Idaho Falls Fanning Field - STS Santa Rosa Sonoma County
IDASTS
Idaho Falls Fanning Field
Thu 10/8
6:00 am-10:41 am
1 stop5h 41m
Santa Rosa Sonoma County
Sat 10/10
4:49 pm-10:10 pm
1 stop4h 21m
$500
Idaho FallsSanta Rosa
IDA Idaho Falls Fanning Field - STS Santa Rosa Sonoma County
IDASTS
Idaho Falls Fanning Field
Thu 10/15
6:00 am-10:41 am
1 stop5h 41m
Santa Rosa Sonoma County
Mon 10/19
4:49 pm-10:10 pm
1 stop4h 21m
$512
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Idaho Falls-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Santa Rosa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-Santa Rosa 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 Idaho Falls-Santa Rosa 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 Idaho Falls to Santa Rosa
Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Idaho Falls with our price prediction graph.
IDA-STS
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.
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to Santa Rosa. 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 Santa Rosa?
Book flights to Santa Rosa if you plan to visit one of these locationsFort Bragg
Ukiah
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