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Idaho

$49+ Cheap flights from Sacramento (SMF) to Idaho

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — BOI
Mar 31 — Apr 71
Tue 3/31
Tue 4/7
1 adult, Economy
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Cheap flight deals from Sacramento to Idaho

Cheapest flights from Sacramento to Idaho
Explore the most affordable flight options available from Sacramento to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 1, 2026.

This Southwest deal was found by Cheapflights users on 2/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:55 pm
SMF
-
BOI
Nonstop1h 25m
Southwest
Sat 4/116:30 am
BOI
-
SMF
Nonstop1h 30m
Southwest
Deal found 2/26$98
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:04 pm
SMF
-
BOI
Nonstop1h 27m
Alaska Airlines
Mon 4/207:00 am
BOI
-
SMF
Nonstop1h 34m
Alaska Airlines
Deal found 2/26$116
This Delta deal was found by Cheapflights users on 2/26. 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.
Tue 4/711:35 am
SMF
-
BOI
1 stop6h 08m
Delta
Sat 4/115:52 am
BOI
-
SMF
1 stop5h 33m
Delta
Deal found 2/26$122
This Expedia deal was found by Cheapflights users on 2/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/281:04 pm
SMF
-
BOI
Nonstop1h 27m
Alaska Airlines
Tue 3/317:00 am
BOI
-
SMF
Nonstop1h 34m
Alaska Airlines
Deal found 2/26$127
This Southwest deal was found by Cheapflights users on 2/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 pm
SMF
-
BOI
1 stop4h 25m
Southwest
Tue 4/287:05 am
BOI
-
SMF
Nonstop1h 25m
Southwest
Deal found 2/28$137
This Delta deal was found by Cheapflights users on 2/26. 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.
Tue 4/285:14 pm
SMF
-
GEG
1 stop6h 20m
Delta
Sat 5/161:11 pm
GEG
-
SMF
1 stop5h 24m
Delta
Deal found 2/26$137
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:00 pm
SMF
-
BOI
1 stop5h 56m
Alaska Airlines
Sat 4/117:00 am
BOI
-
SMF
Nonstop1h 34m
Alaska Airlines
Deal found 2/26$138
This Delta deal was found by Cheapflights users on 2/27. 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.
Sat 4/41:17 pm
SMF
-
BOI
1 stop6h 44m
Delta
Sat 4/115:52 am
BOI
-
SMF
1 stop5h 33m
Delta
Deal found 2/27$147
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:51 pm
SMF
-
GEG
1 stop4h 04m
Alaska Airlines
Tue 5/55:00 am
GEG
-
SMF
1 stop6h 58m
Alaska Airlines
Deal found 2/26$147
This Travelocity deal was found by Cheapflights users on 2/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/251:48 pm
SMF
-
BOI
Nonstop1h 27m
Alaska Airlines
Mon 4/275:50 am
BOI
-
SMF
1 stop4h 12m
Alaska Airlines
Deal found 2/26$148
This Delta deal was found by Cheapflights users on 2/25. 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 3/137:56 pm
SMF
-
GEG
1 stop4h 06m
Delta
Tue 3/171:40 pm
GEG
-
SMF
1 stop5h 29m
Delta
Deal found 2/25$148
This Alaska Airlines deal was found by Cheapflights users on 2/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:00 am
SMF
-
GEG
1 stop4h 42m
Alaska Airlines
Sat 6/612:36 pm
GEG
-
SMF
1 stop6h 50m
Alaska Airlines
Deal found 2/26$149

Find flight deals from Sacramento to Idaho

Keep the following information in mind while searching for Sacramento to Idaho flight deals. Data was last updated March 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$98
(Southwest)

One-way from

$49
(Southwest)

Popular in

February

Cheapest in

April

Average price

$257
Provider with most accurate pricing for San Francisco-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Boise Air Term. Gowen Fld flights.
Search Deals
From Sacramento Intl to Idaho
Search Deals
One-way flight from Sacramento Intl to Idaho
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sacramento to Idaho 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 1, 2026.
Use the filters below to find and compare flights from Sacramento to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Tue 6/2

2:52 pm-6:45 pm

1 stop3h 53m

Spokane

Sat 6/6

12:36 pm-7:26 pm

1 stop6h 50m

$149

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Wed 4/29

8:55 pm-11:20 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

Sat 5/2

6:30 am-7:00 am

Nonstop1h 30m

$157

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Thu 5/28

7:41 pm-11:59 pm

1 stop4h 18m

Spokane

Sun 5/31

6:10 am-10:46 am

1 stop4h 36m

$159

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Wed 4/29

7:00 am-12:27 pm

1 stop5h 27m

Spokane

Thu 5/14

5:35 am-12:06 pm

1 stop6h 31m

$159

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Wed 6/3

11:30 am-4:57 pm

1 stop5h 27m

Spokane

Sun 6/7

5:20 am-10:27 am

1 stop5h 07m

$179

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Thu 4/9

1:04 pm-3:31 pm

Nonstop1h 27m

Boise Air Term. Gowen Fld

Sun 4/12

7:00 am-7:34 am

Nonstop1h 34m

$197

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Fri 5/1

8:30 pm-10:55 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

Sun 5/3

6:30 am-7:00 am

Nonstop1h 30m

$197

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Fri 5/1

7:51 pm-12:35 pm

1 stop15h 44m

Boise Air Term. Gowen Fld

Sun 5/3

5:50 am-9:02 am

1 stop4h 12m

$211

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Sat 4/18

12:11 pm-5:10 pm

1 stop3h 59m

Boise Air Term. Gowen Fld

Mon 4/20

8:04 pm-1:22 pm

1 stop18h 18m

$218

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Thu 4/30

6:00 am-1:52 pm

1 stop6h 52m

Boise Air Term. Gowen Fld

Sun 5/3

5:50 am-9:02 am

1 stop4h 12m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/26

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Sacramento to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Sacramento with our price prediction graph.
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 Sacramento to Idaho

What is the cheapest month to book a flight from Sacramento to Idaho?

Currently, August is the cheapest month in which you can book a flight from Sacramento to Idaho (average of $78). Flying from Sacramento to Idaho in February is currently the most expensive (average of $147). 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.

What is the cheapest time of day to fly from SMF to ID?

Find hourly flight availability from Sacramento to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 1, 2026.

It’s typically best to fly out from Sacramento to Idaho in the evening. Doing so could potentially save you 16% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Sacramento to Idaho?

Use this chart to determine the cheapest time to fly round-trip from Sacramento to Idaho. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Sacramento to Idaho flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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. Reviews last updated March 1, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Sacramento to Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,972 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,972 reviews
Alaska Airlines
8.0
Very good
11,972 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,303 reviews
Alaska Airlines
8.0
Very good
11,972 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,244 reviews
Alaska Airlines
8.0
Very good
11,972 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,837 reviews
Alaska Airlines
8.0
Very good
11,972 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,370 reviews
Alaska Airlines
8.0
Very good
11,972 reviews

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Sacramento to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sacramento to Idaho?

    Located just 9.4 mi from the city center, Sacramento Intl (SMF) is the airport most travelers will use when flying to Idaho from Sacramento.

  • How popular is this Sacramento to Idaho flight route?

    Flights from Sacramento Intl to Idaho have been viewed 10 times in the past calendar month.

  • How long is the flight from Sacramento to Idaho?

    There are many flights that can get you from Sacramento to Idaho in 1h 25m. Fly via Alaska Airlines, Southwest, or Delta to get the fastest option. Airlines will cover a distance of 437 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Sacramento to Idaho one-way?

    The cheapest airlines for a one-way flight from Sacramento to Idaho are Hawaiian Airlines ($59), Alaska Airlines ($68), and Southwest ($78).

  • What are the most popular routes from Sacramento to Idaho?

    While some choose either Sacramento Intl - Spokane or Sacramento Intl - Jackson Hole, Sacramento Intl - Boise Air Term. Gowen Fld is the most popular route from Sacramento to Idaho.

  • What are the most reliable airlines from Sacramento to Idaho?

    The top 3 most reliable airlines when flying from Sacramento to Idaho are Alaska Airlines (96%), Horizon Air (96%) and Hawaiian Airlines (95%).

  • What are the cheapest flights from Sacramento to Idaho?

    Looking at all options, your cheapest flight can be booked for $74. While the most popular route (Sacramento Intl - Boise Air Term. Gowen Fld) can be booked for $127 on average, our data indicates $290 when flying from Sacramento to Idaho.

  • Can I find deals for flights from Sacramento to Idaho that include hotel bookings?

    Yes. In addition to deals on Sacramento to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sacramento to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sacramento to Idaho.

  • Can I find deals for business class flights from Sacramento to Idaho?

    Yes. Cheapflights offers flight deals from Sacramento to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sacramento to Idaho?

    Currently, August is the cheapest month in which you can book a flight from Sacramento to Idaho (average of $78). Flying from Sacramento to Idaho in February is currently the most expensive (average of $147). 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.

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Alternative routes for Sacramento to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Sacramento to Idaho

Discover the top 5 airlines that operate flights from Sacramento to Idaho. 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$49Average$357FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$132Average$332FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$177FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$152Average$285FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$310Average$370FlexibilityNo cancel feeOn-time69%

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