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RM 219+ 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 28/10. 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
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Find flights from Idaho

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 September 2025.

Tue 7/1013:44GEG - SFO
Nonstop2h 19mHawaiian Airlines
Tue 14/1010:53SFO - GEG
Nonstop2h 11mHawaiian Airlines
Deal found 12/9RM 578
Wed 1/1010:45GEG - SFO
2 stops9h 05mSouthwest
Sat 4/1007:00SFO - GEG
1 stop6h 25mSouthwest
Deal found 10/9RM 641
Wed 1/1012:39GEG - SFO
1 stop7h 06mHawaiian Airlines
Wed 8/1019:01SFO - GEG
1 stop4h 07mHawaiian Airlines
Deal found 10/9RM 658
Thu 20/1114:01GEG - SFO
Nonstop2h 20mHawaiian Airlines
Tue 2/1209:25SFO - GEG
Nonstop2h 20mHawaiian Airlines
Deal found 11/9RM 662
Fri 9/116:00GEG - SFO
Nonstop2h 08mHawaiian Airlines
Wed 14/114:40SFO - GEG
1 stop6h 19mHawaiian Airlines
Deal found 12/9RM 705
Fri 9/117:45GEG - SFO
1 stop5h 58mAlaska Airlines
Wed 14/117:45SFO - GEG
1 stop6h 29mAlaska Airlines
Deal found 11/9RM 743
Sun 19/1019:05GEG - SFO
1 stop4h 38mDelta
Wed 22/1010:30SFO - GEG
1 stop6h 14mDelta
Deal found 11/9RM 747
Tue 7/1017:54GEG - FAT
1 stop4h 16mAlaska Airlines
Tue 14/1013:24FAT - GEG
1 stop9h 17mAlaska Airlines
Deal found 12/9RM 772
Sat 4/1017:54GEG - SFO
1 stop4h 35mAlaska Airlines
Wed 8/1010:26SFO - GEG
2 stops12h 42mAlaska Airlines
Deal found 10/9RM 780
Thu 9/1012:35GEG - SFO
Nonstop2h 28mUnited Airlines
Sun 12/1008:25SFO - GEG
Nonstop2h 14mUnited Airlines
Deal found 11/9RM 814
Thu 13/1107:35GEG - FAT
1 stop8h 06mAlaska Airlines
Mon 17/1115:05FAT - GEG
1 stop8h 51mAlaska Airlines
Deal found 10/9RM 861
Tue 21/1005:25GEG - FAT
1 stop5h 10mSouthwest
Sat 25/1015:35FAT - GEG
1 stop5h 45mSouthwest
Deal found 9/9RM 869

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 September 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

Tue 7/10

13:44-16:03

Nonstop2h 19m

San Francisco

Tue 14/10

10:53-13:04

Nonstop2h 11m

RM 578

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Wed 1/10

14:36-16:57

Nonstop2h 21m

San Francisco

Wed 8/10

11:22-17:00

1 stop5h 38m

RM 620

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Sat 4/10

08:45-16:27

1 stop7h 42m

San Francisco

Wed 8/10

19:01-23:08

1 stop4h 07m

RM 658

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 9/1

16:00-18:08

Nonstop2h 08m

San Francisco

Wed 14/1

14:40-20:59

1 stop6h 19m

RM 705

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Thu 2/10

12:35-15:03

Nonstop2h 28m

San Francisco

Thu 9/10

08:25-10:39

Nonstop2h 14m

RM 747

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Sun 19/10

16:50-23:43

1 stop6h 53m

San Francisco

Wed 22/10

09:55-15:53

1 stop5h 58m

RM 747

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 9/1

16:00-18:08

Nonstop2h 08m

San Francisco

Wed 14/1

13:10-15:16

Nonstop2h 06m

RM 747

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Tue 7/10

17:54-22:10

1 stop4h 16m

Fresno Airterminal

Tue 14/10

13:24-22:41

1 stop9h 17m

RM 772

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Sun 23/11

05:30-10:31

1 stop5h 01m

San Francisco

Wed 3/12

09:25-11:45

Nonstop2h 20m

RM 789

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Thu 13/11

07:35-15:41

1 stop8h 06m

Fresno Airterminal

Mon 17/11

15:05-23:56

1 stop8h 51m

RM 861

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 29 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 418). Flying from Idaho in June will prove the most costly (average of RM 1,342). 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 September 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 June. 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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