Idaho

$99+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — BOI
5月 17 — 5月 241
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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 4月 17, 2026.

This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
週六 5/91:48 pm
SMF
-
BOI
Nonstop1h 27m
Alaska Airlines
週二 5/127:00 am
BOI
-
SMF
Nonstop1h 30m
Alaska Airlines
Deal found 4/12$197
This Southwest deal was found by Cheapflights users on 4/14. 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.
週二 6/98:55 pm
SMF
-
BOI
Nonstop1h 25m
Southwest
週二 6/237:55 pm
BOI
-
SMF
Nonstop1h 25m
Southwest
Deal found 4/14$203
This Southwest deal was found by Cheapflights users on 4/14. 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.
週六 5/92:20 pm
SMF
-
BOI
1 stop6h 45m
Southwest
週三 5/135:00 pm
BOI
-
SMF
Nonstop1h 30m
Southwest
Deal found 4/14$207
This Expedia deal was found by Cheapflights users on 4/14. 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.
週三 8/261:07 pm
SMF
-
BOI
Nonstop1h 25m
Alaska Airlines
週三 9/27:00 am
BOI
-
SMF
Nonstop1h 30m
Alaska Airlines
Deal found 4/14$209
This Southwest deal was found by Cheapflights users on 4/14. 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.
週二 5/128:55 pm
SMF
-
BOI
Nonstop1h 25m
Southwest
週二 5/196:40 am
BOI
-
SMF
1 stop5h 10m
Southwest
Deal found 4/14$213
This Expedia deal was found by Cheapflights users on 4/14. 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.
週三 5/131:08 pm
SMF
-
BOI
Nonstop1h 26m
Alaska Airlines
週三 5/207:00 am
BOI
-
SMF
Nonstop1h 29m
Alaska Airlines
Deal found 4/14$216
This Delta deal was found by Cheapflights users on 4/12. 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.
週六 5/97:35 am
SMF
-
BOI
1 stop6h 08m
Delta
週二 5/1212:55 pm
BOI
-
SMF
1 stop4h 12m
Delta
Deal found 4/12$217
This Southwest deal was found by Cheapflights users on 4/14. 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.
週三 8/265:30 am
SMF
-
BOI
1 stop4h 20m
Southwest
週三 9/27:40 am
BOI
-
SMF
Nonstop1h 30m
Southwest
Deal found 4/14$219
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
週二 5/57:00 am
SMF
-
GEG
1 stop15h 20m
Alaska Airlines
週三 5/610:30 am
GEG
-
SMF
1 stop12h 24m
Alaska Airlines
Deal found 4/12$225
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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.
週二 6/21:08 pm
SMF
-
BOI
Nonstop1h 26m
Alaska Airlines
週六 6/64:19 pm
BOI
-
SMF
1 stop6h 26m
Alaska Airlines
Deal found 4/15$226
This Southwest deal was found by Cheapflights users on 4/12. 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.
週三 5/2711:10 am
SMF
-
BOI
1 stop4h 30m
Southwest
週日 5/319:10 pm
BOI
-
SMF
Nonstop1h 30m
Southwest
Deal found 4/12$227
This Expedia deal was found by Cheapflights users on 4/13. 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.
週六 7/47:15 pm
SMF
-
GEG
1 stop3h 44m
Alaska Airlines
週二 8/118:15 am
GEG
-
SMF
1 stop8h 45m
Alaska Airlines
Deal found 4/13$229

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 4月 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Alaska Airlines)

One-way from

$99
(Alaska Airlines)

Popular in

May

Cheapest in

April

Average price

$217
Provider with most accurate pricing for San Francisco-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for San Francisco-Boise Air Term. Gowen Fld flights.
From Sacramento Intl to Idaho
One-way flight from Sacramento Intl to Idaho
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 4月 17, 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

Cheapest round-trip

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

週二 6/2

1:08 pm-3:34 pm

Nonstop1h 26m

Boise Air Term. Gowen Fld

週六 6/6

7:00 am-7:29 am

Nonstop1h 29m

$197

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

週二 5/5

7:00 am-10:20 pm

1 stop15h 20m

Spokane

週三 5/6

10:30 am-10:54 pm

1 stop12h 24m

$225

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

週二 5/19

8:55 pm-11:20 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

週三 5/27

1:05 pm-6:10 pm

1 stop6h 05m

$226

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

週六 5/9

1:48 pm-4:15 pm

Nonstop1h 27m

Boise Air Term. Gowen Fld

週二 5/12

10:02 am-2:12 pm

1 stop5h 10m

$226

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

週三 5/27

11:10 am-4:40 pm

1 stop4h 30m

Boise Air Term. Gowen Fld

週日 5/31

9:10 pm-9:40 pm

Nonstop1h 30m

$227
Quickest round-trip

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

週三 5/13

8:55 pm-11:20 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

週三 5/20

7:05 am-7:30 am

Nonstop1h 25m

$232

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

週三 4/29

5:27 pm-12:20 am

1 stop6h 53m

Spokane

週四 5/14

5:00 am-10:46 am

1 stop5h 46m

$239

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

週一 6/8

5:27 pm-11:59 pm

1 stop6h 32m

Spokane

週五 6/12

4:30 pm-10:27 pm

1 stop5h 57m

$239

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

週一 6/1

6:59 pm-11:35 pm

1 stop4h 36m

Spokane

週五 6/5

6:10 am-10:44 am

1 stop4h 34m

$239

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

週一 6/1

1:08 pm-6:31 pm

1 stop5h 23m

Spokane

週五 6/5

8:38 pm-8:53 am

1 stop12h 15m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 60 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Sacramento to Idaho (average of $49). Flying from Sacramento to Idaho in June is currently the most expensive (average of $169). 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 4月 17, 2026.

It’s typically best to fly out from Sacramento to Idaho at noon. Doing so could potentially save you 19% 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 April 11, 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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Sacramento to Idaho

Explore weekly flight availability from Sacramento to Idaho. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4月 17, 2026.

The most flights from SMF to USID are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Sacramento to Idaho?

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 4月 17, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta 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.

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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?

  • 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?

  • 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 (90%), Horizon Air (90%) and Hawaiian Airlines (90%).

  • What are the cheapest flights from Sacramento to Idaho?

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Sacramento Intl - Spokane) can be booked for $232 on average, our data indicates $279 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, May is the cheapest month in which you can book a flight from Sacramento to Idaho (average of $49). Flying from Sacramento to Idaho in June is currently the most expensive (average of $169). 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.

See more FAQs

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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.

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 4月 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$49Average$335FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$119Average$369FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$177FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$157Average$301FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$310Average$356FlexibilityNo cancel feeOn-time69%

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