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RM 333+ 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 17/2. 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
26 févr. — 5 mars1
1 adult
1 adult, Economy, 0 bags

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Enter your travel dates to find the best prices.

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 27 janvier 2026.

mer. 22/413:20
GEG
-
SFO
Nonstop2h 20m
Alaska Airlines
mar. 28/410:28
SFO
-
GEG
Nonstop2h 12m
Alaska Airlines
Deal found 25/1RM 662
mer. 18/207:00
GEG
-
SFO
Nonstop2h 28m
United Airlines
sam. 21/218:58
SFO
-
GEG
Nonstop2h 09m
United Airlines
Deal found 25/1RM 682
ven. 20/207:00
GEG
-
SFO
Nonstop2h 28m
United Airlines
sam. 28/218:58
SFO
-
GEG
Nonstop2h 09m
United Airlines
Deal found 26/1RM 722
dim. 1/319:06
GEG
-
SFO
1 stop4h 53m
Alaska Airlines
mar. 3/310:52
SFO
-
GEG
Nonstop2h 10m
Alaska Airlines
Deal found 26/1RM 741
lun. 23/214:45
GEG
-
SFO
1 stop8h 05m
Southwest
lun. 2/317:55
SFO
-
GEG
1 stop5h 00m
Southwest
Deal found 26/1RM 757
mer. 25/215:10
GEG
-
SFO
1 stop6h 10m
Southwest
mer. 4/305:05
SFO
-
GEG
2 stops8h 20m
Southwest
Deal found 24/1RM 761
mar. 10/315:25
GEG
-
SFO
1 stop7h 50m
Southwest
jeu. 12/306:40
SFO
-
GEG
2 stops8h 00m
Southwest
Deal found 26/1RM 769
jeu. 2/407:00
GEG
-
SFO
Nonstop2h 30m
United Airlines
mar. 7/409:12
SFO
-
GEG
Nonstop2h 31m
United Airlines
Deal found 26/1RM 773
dim. 1/305:00
GEG
-
SFO
1 stop4h 30m
Delta
mar. 3/319:00
SFO
-
GEG
1 stop5h 04m
Delta
Deal found 26/1RM 781
lun. 23/214:45
GEG
-
SFO
1 stop8h 05m
Southwest
dim. 1/305:15
SFO
-
GEG
1 stop6h 55m
Southwest
Deal found 26/1RM 789
sam. 7/315:45
GEG
-
SFO
1 stop6h 56m
Delta
dim. 15/306:00
SFO
-
GEG
1 stop4h 50m
Delta
Deal found 26/1RM 801
mar. 24/207:00
GEG
-
FAT
1 stop26h 56m
Alaska Airlines
sam. 28/207:43
FAT
-
GEG
1 stop4h 03m
Alaska Airlines
Deal found 25/1RM 995

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 27 janvier 2026. 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

mer. 25/2

15:45-18:03

Nonstop2h 18m

San Francisco

sam. 28/2

06:30-11:06

1 stop4h 36m

RM 722

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

ven. 20/2

07:00-09:28

Nonstop2h 28m

San Francisco

sam. 28/2

18:58-21:07

Nonstop2h 09m

RM 722

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

ven. 20/2

07:00-09:28

Nonstop2h 28m

San Francisco

ven. 27/2

18:58-21:07

Nonstop2h 09m

RM 741

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

mer. 18/2

15:45-22:41

1 stop6h 56m

San Francisco

sam. 21/2

05:55-12:35

1 stop6h 40m

RM 761

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

sam. 21/2

05:00-09:30

1 stop4h 30m

San Francisco

sam. 28/2

14:39-20:56

1 stop6h 17m

RM 781

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

lun. 23/2

14:45-22:50

1 stop8h 05m

San Francisco

dim. 1/3

05:15-12:10

1 stop6h 55m

RM 789

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

ven. 27/2

12:10-18:00

1 stop5h 50m

San Francisco

sam. 28/2

13:55-22:25

1 stop8h 30m

RM 789

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

sam. 9/5

05:20-12:11

1 stop6h 51m

San Francisco

lun. 11/5

06:05-13:02

1 stop6h 57m

RM 801

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

sam. 7/3

05:00-09:30

1 stop4h 30m

San Francisco

dim. 15/3

06:00-10:50

1 stop4h 50m

RM 801

SpokaneSan Francisco

GEG - SFO

GEGSFO

Spokane

sam. 9/5

15:24-19:49

1 stop4h 25m

San Francisco

lun. 11/5

10:28-12:40

Nonstop2h 12m

RM 821

Flights are sorted by cheapest return flights first.

Deals found on 23/1

Showing 1-10 of 38 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 393). Flying from Idaho in June will prove the most costly (average of RM 1,245). 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

Book a direct flight from one of these other cities located in USA.
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 27 janvier 2026.

  • 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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