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RM 283+ Cheap flights from 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 21/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOI — FAT
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Idaho
Explore the most affordable flight options available from Idaho. Find the lowest fares based on data from user searches, with prices last updated on 12 December 2025.

Tue 6/119:26GEG - SFO
Nonstop2h 29mAlaska Airlines
Wed 7/113:10SFO - GEG
Nonstop2h 15mAlaska Airlines
Deal found 10/12RM 563
Wed 7/105:00GEG - SFO
1 stop4h 11mAlaska Airlines
Wed 14/116:46SFO - GEG
1 stop4h 39mAlaska Airlines
Deal found 9/12RM 641
Fri 9/116:59GEG - SFO
Nonstop2h 13mAlaska Airlines
Wed 14/118:18SFO - GEG
1 stop6h 05mAlaska Airlines
Deal found 11/12RM 645
Tue 6/115:10GEG - SFO
1 stop6h 10mSouthwest
Wed 7/114:10SFO - GEG
2 stops7h 30mSouthwest
Deal found 10/12RM 665
Fri 6/218:00GEG - SFO
1 stop5h 03mAlaska Airlines
Sun 8/213:10SFO - GEG
Nonstop2h 15mAlaska Airlines
Deal found 10/12RM 686
Wed 28/107:05GEG - SFO
2 stops8h 25mSouthwest
Sun 1/215:20SFO - GEG
1 stop7h 35mSouthwest
Deal found 10/12RM 706
Sun 15/207:00GEG - SFO
Nonstop2h 28mUnited Airlines
Thu 19/218:58SFO - GEG
Nonstop2h 09mUnited Airlines
Deal found 9/12RM 727
Thu 29/106:20GEG - SFO
1 stop8h 35mSouthwest
Mon 2/205:30SFO - GEG
2 stops9h 00mSouthwest
Deal found 10/12RM 747
Tue 27/112:32GEG - FAT
1 stop7h 00mAlaska Airlines
Sat 31/108:01FAT - GEG
1 stop7h 02mAlaska Airlines
Deal found 11/12RM 936
Thu 22/107:30GEG - FAT
1 stop8h 07mAlaska Airlines
Fri 23/116:34FAT - GEG
1 stop20h 10mAlaska Airlines
Deal found 11/12RM 1,006
Thu 15/109:05GEG - FAT
1 stop6h 32mAlaska Airlines
Mon 19/119:52FAT - GEG
2 stops16h 52mAlaska Airlines
Deal found 9/12RM 1,113
Thu 22/112:32GEG - FAT
2 stops9h 59mAlaska Airlines
Wed 28/106:02FAT - GEG
2 stops9h 23mAlaska Airlines
Deal found 10/12RM 1,142

Find flights from Idaho within your budget

 
Find flights departing from Idaho that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 December 2025. In the last 7 days, Cheapflights users made a total of 407,431 searches

Fly to

Fresno

Route

Departure

Return

Price

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 7/1

16:59-19:12

Nonstop2h 13m

San Francisco

Wed 14/1

13:10-15:25

Nonstop2h 15m

RM 563

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 9/1

16:59-19:12

Nonstop2h 13m

San Francisco

Wed 14/1

13:10-15:25

Nonstop2h 15m

RM 604

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Thu 29/1

12:24-15:06

Nonstop2h 42m

San Francisco

Mon 2/2

08:25-10:44

Nonstop2h 19m

RM 645

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 30/1

06:53-09:44

Nonstop2h 51m

San Francisco

Sun 1/2

08:25-10:44

Nonstop2h 19m

RM 645

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 28/1

09:05-15:50

1 stop6h 45m

San Francisco

Sun 1/2

13:10-15:25

Nonstop2h 15m

RM 645

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Tue 6/1

07:05-15:30

2 stops8h 25m

San Francisco

Wed 7/1

05:30-14:30

2 stops9h 00m

RM 686

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Tue 27/1

12:32-19:32

1 stop7h 00m

Fresno Airterminal

Sat 31/1

08:01-15:03

1 stop7h 02m

RM 936

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Thu 22/1

07:30-15:37

1 stop8h 07m

Fresno Airterminal

Fri 23/1

16:34-12:44

1 stop20h 10m

RM 1,006

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Thu 15/1

05:15-11:41

1 stop6h 26m

Fresno Airterminal

Mon 19/1

17:09-23:50

1 stop6h 41m

RM 1,146

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Fri 2/1

07:00-15:32

1 stop8h 32m

Fresno Airterminal

Sun 11/1

16:34-11:12

1 stop18h 38m

RM 1,368

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 27 results
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Best time to book a flight from Idaho

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

Travel insights for flights from Idaho

Get recent, data-driven insights about flights from Idaho including ideal travel times, pricing trends, and more.

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

Currently, March is the cheapest month in which you can book a flight from Idaho (average of RM 407). Flying from Idaho in December will prove the most costly (average of RM 1,310). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Direct flights from USA

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Direct flights from Boise

Related info for your journey

Access useful and relevant information related to your journey from Idaho. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 12 December 2025.

  • What is the cheapest month to fly from Idaho?

    Currently, the cheapest month for flights from Idaho is March. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Idaho?

    When you search for this flight from Idaho, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Idaho?

    By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Idaho.

  • Can Cheapflights find flights from Idaho with no change fees?

    Need flexible booking options for your flight from Idaho ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

  • Can Cheapflights notify me if prices for flights from Idaho become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Idaho?

When you search for this flight from Idaho, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Idaho?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights from Idaho.

Can Cheapflights find flights from Idaho with no change fees?

Need flexible booking options for your flight from Idaho ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Idaho become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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