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RM 248+ 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 18/11. 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
28 Nov — 5 Dec1
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 29 October 2025.

Fri 5/1207:00GEG - SFO
Nonstop2h 44mUnited Airlines
Sun 7/1209:29SFO - GEG
Nonstop2h 23mUnited Airlines
Deal found 28/10RM 491
Sun 1/206:53GEG - SFO
Nonstop2h 51mUnited Airlines
Thu 5/208:25SFO - GEG
Nonstop2h 19mUnited Airlines
Deal found 27/10RM 537
Fri 12/1216:35GEG - SFO
1 stop7h 28mDelta
Sun 14/1219:08SFO - GEG
1 stop4h 51mDelta
Deal found 28/10RM 575
Fri 9/116:59GEG - SFO
Nonstop2h 13mAlaska Airlines
Wed 14/118:56SFO - GEG
1 stop3h 56mAlaska Airlines
Deal found 28/10RM 617
Sun 1/217:25GEG - SFO
1 stop5h 20mSouthwest
Wed 4/211:30SFO - GEG
2 stops9h 20mSouthwest
Deal found 27/10RM 655
Thu 20/1114:01GEG - SFO
Nonstop2h 20mAlaska Airlines
Tue 2/1209:25SFO - GEG
Nonstop2h 20mAlaska Airlines
Deal found 27/10RM 722
Fri 6/212:32GEG - SFO
1 stop6h 12mAlaska Airlines
Sun 8/207:57SFO - GEG
1 stop3h 41mAlaska Airlines
Deal found 28/10RM 739
Tue 25/1106:00GEG - SFO
Nonstop2h 42mUnited Airlines
Tue 2/1209:29SFO - GEG
Nonstop2h 23mUnited Airlines
Deal found 27/10RM 743
Sat 13/1206:00GEG - SFO
1 stop6h 21mDelta
Sat 13/1216:37SFO - GEG
1 stop6h 12mDelta
Deal found 27/10RM 789
Tue 18/1105:51GEG - SFO
2 stops9h 56mAlaska Airlines
Tue 18/1118:59SFO - GEG
1 stop4h 16mAlaska Airlines
Deal found 28/10RM 793
Mon 22/1219:23GEG - SFO
1 stop5h 09mDelta
Fri 26/1205:45SFO - GEG
1 stop4h 56mDelta
Deal found 28/10RM 827
Tue 3/312:44GEG - FAT
1 stop6h 55mHawaiian Airlines
Wed 4/316:35FAT - GEG
1 stop6h 09mHawaiian Airlines
Deal found 27/10RM 982

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 29 October 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

Fri 5/12

07:00-09:44

Nonstop2h 44m

San Francisco

Sun 7/12

09:29-11:52

Nonstop2h 23m

RM 491

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 9/1

09:20-13:38

1 stop4h 18m

San Francisco

Wed 14/1

06:05-10:39

1 stop4h 34m

RM 575

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 6/2

16:59-19:12

Nonstop2h 13m

San Francisco

Sun 8/2

13:10-15:25

Nonstop2h 15m

RM 575

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Sun 1/2

05:05-09:35

1 stop4h 30m

San Francisco

Thu 5/2

06:05-10:39

1 stop4h 34m

RM 575

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 575

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 12/12

19:17-00:03

1 stop4h 46m

San Francisco

Sun 11/1

06:05-10:39

1 stop4h 34m

RM 575

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

Fri 12/12

16:35-00:03

1 stop7h 28m

San Francisco

Sat 13/12

13:58-18:55

1 stop4h 57m

RM 575

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Tue 3/3

15:30-19:39

1 stop4h 09m

Fresno Airterminal

Wed 4/3

07:45-11:50

1 stop4h 05m

RM 982

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Thu 18/12

05:00-08:58

1 stop3h 58m

Fresno Airterminal

Wed 7/1

16:34-23:04

1 stop6h 30m

RM 982

SpokaneFresno

GEG - FAT

GEGFAT

Spokane

Tue 3/3

12:00-23:13

2 stops11h 13m

Fresno Airterminal

Wed 4/3

07:45-11:50

1 stop4h 05m

RM 1,024

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 33 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 436). Flying from Idaho in June will prove the most costly (average of RM 1,318). 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 29 October 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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