Idaho

$46+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SMF — BOI
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sacramento to Idaho 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Sacramento to Idaho

Keep the following information in mind while searching for Sacramento to Idaho flight deals. Data was last updated June 12, 2025.

Round-trip from

$178
(Alaska Airlines)

One-way from

$46
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$287
From Sacramento Intl to Idaho
One-way flight from Sacramento Intl to Idaho
Highest demand for flights based on searches. 14% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find 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 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/96:15 amSMF - GEG
1 stop6h 13mAlaska Airlines
Wed 7/167:00 pmGEG - SMF
1 stop12h 31mAlaska Airlines
Deal found 6/10$178
This Delta deal was found by Cheapflights users on 6/11. 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 7/136:47 amSMF - GEG
1 stop5h 46mDelta
Tue 7/151:10 pmGEG - SMF
1 stop4h 54mDelta
Deal found 6/11$183
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:18 amSMF - GEG
1 stop5h 37mHawaiian Airlines
Mon 8/186:07 pmGEG - SMF
1 stop5h 36mHawaiian Airlines
Deal found 6/10$186
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/269:18 amSMF - BOI
Nonstop1h 24mHawaiian Airlines
Thu 7/317:00 amBOI - SMF
Nonstop1h 31mHawaiian Airlines
Deal found 6/10$187
This Delta deal was found by Cheapflights users on 6/10. 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.
Sat 7/264:45 pmSMF - BOI
1 stop6h 18mDelta
Thu 7/315:15 amBOI - SMF
1 stop6h 15mDelta
Deal found 6/10$197
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:25 pmSMF - GEG
Nonstop1h 45mSouthwest
Mon 8/186:10 amGEG - SMF
Nonstop1h 55mSouthwest
Deal found 6/10$197
This Southwest deal was found by Cheapflights users on 6/11. 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.
Fri 7/410:45 amSMF - BOI
2 stops8h 30mSouthwest
Tue 7/86:55 amBOI - SMF
Nonstop1h 25mSouthwest
Deal found 6/11$202
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/317:26 pmSMF - BOI
1 stop22h 26mSpirit Airlines
Mon 8/47:48 pmBOI - SMF
1 stop23h 39mSpirit Airlines
Deal found 6/12$211
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/79:31 amSMF - GEG
2 stops31h 31mMultiple Airlines
Mon 8/189:55 amGEG - SMF
2 stops30h 24mMultiple Airlines
Deal found 6/10$231
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2610:19 amSMF - IDA
1 stop24h 26mMultiple Airlines
Mon 6/306:17 pmIDA - SMF
1 stop16h 07mMultiple Airlines
Deal found 6/11$232
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 8/125:30 amSMF - IDA
1 stop4h 09mDelta
Wed 8/206:00 amIDA - SMF
1 stop3h 50mDelta
Deal found 6/10$241
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 7/42:56 pmSMF - BOI
2 stops8h 02mAlaska Airlines
Tue 7/85:43 pmBOI - SMF
1 stop7h 00mAlaska Airlines
Deal found 6/11$247

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 12, 2025.
Use the filters below to find and compare flights from Sacramento to Idaho that are best for you.

Fly from

Sacramento

Fly to

Idaho

Route

Depart

Return

Price

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Wed 7/9

6:15 am-12:28 pm

1 stop6h 13m

Spokane

Wed 7/16

7:00 pm-7:31 am

1 stop12h 31m

$178

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Sun 7/13

6:47 am-12:33 pm

1 stop5h 46m

Spokane

Tue 7/15

1:10 pm-6:04 pm

1 stop4h 54m

$183

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Thu 8/7

9:18 am-2:55 pm

1 stop5h 37m

Spokane

Mon 8/18

6:07 pm-11:43 pm

1 stop5h 36m

$186

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Sat 7/26

9:18 am-11:42 am

Nonstop1h 24m

Boise Air Term. Gowen Fld

Thu 7/31

7:00 am-7:31 am

Nonstop1h 31m

$187

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Thu 8/7

9:25 pm-11:10 pm

Nonstop1h 45m

Spokane

Mon 8/18

6:10 am-8:05 am

Nonstop1h 55m

$197

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Fri 7/4

10:45 am-8:15 pm

2 stops8h 30m

Boise Air Term. Gowen Fld

Tue 7/8

6:55 am-7:20 am

Nonstop1h 25m

$202

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Thu 7/31

7:26 pm-6:52 pm

1 stop22h 26m

Boise Air Term. Gowen Fld

Mon 8/4

7:48 pm-6:27 pm

1 stop23h 39m

$211

SacramentoBoise

SMF - BOI

SMFBOI

Sacramento Intl

Mon 7/7

5:09 pm-12:09 am

1 stop6h 00m

Boise Air Term. Gowen Fld

Mon 7/14

4:20 pm-10:03 pm

1 stop6h 43m

$218

SacramentoSpokane

SMF - GEG

SMFGEG

Sacramento Intl

Thu 8/7

9:31 am-5:02 pm

2 stops31h 31m

Spokane

Mon 8/18

9:55 am-4:19 pm

2 stops30h 24m

$231

SacramentoIdaho Falls

SMF - IDA

SMFIDA

Sacramento Intl

Thu 6/26

10:19 am-11:45 am

1 stop24h 26m

Idaho Falls Fanning Field

Mon 6/30

6:17 pm-9:24 am

1 stop16h 07m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 56 results
1
2
3
...
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, October is the cheapest month in which you can book a flight from Sacramento to Idaho (average of $314). Flying from Sacramento to Idaho in June is currently the most expensive (average of $395). 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 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sacramento to Idaho as you normally would.

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 12, 2025.

The most flights from SMF to USID are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Sacramento to Idaho 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.

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

  • 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 ($46), Alaska Airlines ($49), and Southwest ($58).

  • 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 Horizon Air (95%), Alaska Airlines (95%) and Hawaiian Airlines (95%).

  • What are the cheapest flights from Sacramento to Idaho?

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Sacramento Intl - Boise Air Term. Gowen Fld) can be booked for $97 on average our data indicates $269 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, October is the cheapest month in which you can book a flight from Sacramento to Idaho (average of $314). Flying from Sacramento to Idaho in June is currently the most expensive (average of $395). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sacramento to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Sacramento to Idaho

Discover the top 6 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$137FlexibilityNo cancel feeOn-time65%
DeltaCheapest$88Average$399FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$147Average$197FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$152Average$269FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$157Average$348FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$284Average$410FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.