Idaho

$91+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — BOI
Jul 2 — Jul 91
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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 June 2, 2026.

This Delta deal was found by Cheapflights users on 5/29. 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 9/2212:51 pm
SMF
-
GEG
1 stop4h 09m
Delta
Wed 9/239:17 am
GEG
-
SMF
1 stop7h 32m
Delta
Deal found 5/29$191
This Travelocity deal was found by Cheapflights users on 6/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:07 pm
SMF
-
BOI
Nonstop1h 25m
Alaska Airlines
Tue 9/87:00 am
BOI
-
SMF
Nonstop1h 30m
Alaska Airlines
Deal found 6/1$217
This Delta deal was found by Cheapflights users on 5/29. 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.
Wed 9/1612:51 pm
SMF
-
GEG
1 stop6h 15m
Delta
Sat 9/195:20 am
GEG
-
SMF
1 stop6h 51m
Delta
Deal found 5/29$221
This Southwest deal was found by Cheapflights users on 5/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:35 am
SMF
-
BOI
Nonstop1h 25m
Southwest
Sat 9/122:55 pm
BOI
-
SMF
1 stop6h 40m
Southwest
Deal found 5/29$223
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:25 am
SMF
-
BOI
1 stop4h 35m
Southwest
Wed 9/94:45 pm
BOI
-
SMF
Nonstop1h 30m
Southwest
Deal found 6/1$227
This Southwest deal was found by Cheapflights users on 5/28. 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.
Tue 7/284:30 pm
SMF
-
BOI
Nonstop1h 20m
Southwest
Wed 8/57:40 am
BOI
-
SMF
Nonstop1h 30m
Southwest
Deal found 5/28$229
This Southwest deal was found by Cheapflights users on 5/28. 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.
Tue 8/117:50 pm
SMF
-
GEG
Nonstop1h 50m
Southwest
Wed 8/125:45 am
GEG
-
SMF
Nonstop1h 50m
Southwest
Deal found 5/28$236
This Southwest deal was found by Cheapflights users on 5/28. 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.
Sat 9/126:30 pm
SMF
-
BOI
Nonstop1h 25m
Southwest
Sun 9/1311:15 am
BOI
-
SMF
Nonstop1h 25m
Southwest
Deal found 5/28$237
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 9/225:11 pm
SMF
-
GEG
1 stop6h 48m
Alaska Airlines
Wed 9/237:03 am
GEG
-
SMF
1 stop4h 55m
Alaska Airlines
Deal found 6/1$237
This Southwest deal was found by Cheapflights users on 5/28. 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 7/15:40 pm
SMF
-
BOI
1 stop5h 50m
Southwest
Tue 7/76:30 am
BOI
-
SMF
Nonstop1h 25m
Southwest
Deal found 5/28$239
This Delta deal was found by Cheapflights users on 5/29. 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 9/247:10 pm
SMF
-
GEG
1 stop4h 47m
Delta
Mon 9/281:00 pm
GEG
-
SMF
1 stop6h 00m
Delta
Deal found 5/29$251
This Travelocity deal was found by Cheapflights users on 6/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
SMF
-
GEG
1 stop6h 31m
Alaska Airlines
Thu 8/275:52 am
GEG
-
SMF
1 stop6h 14m
Alaska Airlines
Deal found 6/1$253

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 June 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$191
(Delta)

One-way from

$91
(Delta)

Popular in

May

Cheapest in

January

Average price

$307
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
Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 2, 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

Tue 9/8

11:35 am-2:00 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

Sat 9/12

2:55 pm-8:35 pm

1 stop6h 40m

$223

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Tue 9/22

5:11 pm-11:59 pm

1 stop6h 48m

Spokane

Wed 9/23

7:03 am-11:58 am

1 stop4h 55m

$237

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Thu 8/27

8:03 am-3:31 pm

1 stop6h 28m

Boise Air Term. Gowen Fld

Sat 8/29

7:00 am-7:30 am

Nonstop1h 30m

$247

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Fri 9/4

6:05 am-8:30 am

Nonstop1h 25m

Boise Air Term. Gowen Fld

Tue 9/8

6:00 am-10:50 am

1 stop5h 50m

$247

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Thu 9/17

6:25 am-2:15 pm

2 stops6h 50m

Boise Air Term. Gowen Fld

Tue 9/22

4:45 pm-5:15 pm

Nonstop1h 30m

$252

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Wed 6/24

4:43 pm-11:07 pm

1 stop6h 24m

Spokane

Sat 6/27

5:00 am-9:48 am

1 stop4h 48m

$262

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Wed 7/22

6:05 am-2:25 pm

2 stops7h 20m

Boise Air Term. Gowen Fld

Wed 7/29

1:05 pm-1:30 pm

Nonstop1h 25m

$264

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Fri 9/25

6:45 pm-11:35 pm

1 stop3h 50m

Boise Air Term. Gowen Fld

Sun 9/27

11:15 am-11:40 am

Nonstop1h 25m

$267

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Fri 9/11

5:30 am-1:15 pm

2 stops6h 45m

Boise Air Term. Gowen Fld

Sun 9/13

11:15 am-11:40 am

Nonstop1h 25m

$272

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Thu 8/6

7:23 am-1:46 pm

1 stop5h 23m

Boise Air Term. Gowen Fld

Tue 8/11

8:15 am-12:01 pm

1 stop4h 46m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/31

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, January is the cheapest month in which you can book a flight from Sacramento to Idaho (average of $63). Flying from Sacramento to Idaho in June is currently the most expensive (average of $247). 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 June 2, 2026.

It’s typically best to fly out from Sacramento to Idaho in the morning. Doing so could potentially save you 13% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 June 2, 2026.

The most flights from SMF to USID are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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

How far ahead should I book a flight from Sacramento to Idaho?

The price you pay for your flight from Sacramento to Idaho may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 May 30, 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.

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 June 2, 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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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.

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Overall

8.0

Food

7.0

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 Southwest, Alaska Airlines, 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 Alaska Airlines ($68), Southwest ($82), and Delta ($83).

  • 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 (93%), Horizon Air (93%) and Hawaiian Airlines (90%).

  • What are the cheapest flights from Sacramento to Idaho?

    Looking at all options, your cheapest flight can be booked for $104. While the most popular route (Sacramento Intl - Spokane) can be booked for $278 on average, our data indicates $292 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, January is the cheapest month in which you can book a flight from Sacramento to Idaho (average of $63). Flying from Sacramento to Idaho in June is currently the most expensive (average of $247). 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 June 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$119Average$372FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$137Average$163FlexibilityNo cancel feeOn-time85%
DeltaCheapest$141Average$364FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$314FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$235Average$356FlexibilityNo cancel feeOn-time69%

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