$141+ 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 7/10. 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 — PHL
11 Jul — 18 Jul1
1 adult
1 adult, Economy, 0 bags

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 11 June 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 25/8

06:23-15:11

1 stop7h 48m

Austin Bergstrom

Wed 26/8

16:14-23:44

1 stop8h 30m

$358

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 15/10

12:40-00:51

1 stop9h 11m

Philadelphia

Mon 19/10

07:05-14:45

1 stop10h 40m

$398

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Tue 10/11

05:00-15:25

1 stop7h 25m

Philadelphia

Wed 11/11

17:49-22:56

1 stop8h 07m

$398

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 16/7

16:30-05:29

1 stop9h 59m

Philadelphia

Tue 21/7

05:40-11:39

1 stop8h 59m

$412
Fastest return journey

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 5/10

11:10-17:13

1 stop5h 03m

Austin Bergstrom

Mon 19/10

16:30-23:08

1 stop7h 38m

$429

SpokaneNew York

GEG - LGA

GEGLGA

Spokane

Sat 5/9

12:36-23:24

1 stop7h 48m

New York LaGuardia

Sun 6/9

07:55-12:57

1 stop8h 02m

$443

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Wed 15/7

19:45-06:13

1 stop7h 28m

Philadelphia

Tue 21/7

16:26-23:59

1 stop10h 33m

$475

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 25/6

12:35-23:58

1 stop8h 23m

Philadelphia

Mon 29/6

18:45-23:55

1 stop8h 10m

$483

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 27/8

05:12-15:45

1 stop7h 33m

Philadelphia

Sun 30/8

07:02-12:31

1 stop8h 29m

$498

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Wed 15/7

14:26-23:56

1 stop6h 30m

Philadelphia

Tue 21/7

07:05-12:11

1 stop8h 06m

$512

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Idaho (average of $297). Flying from Idaho in November will prove the most costly (average of $537). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What is the cheapest place to fly to from Idaho?

The cheapest city to fly to from Idaho is Salt Lake City, with prices starting at $2,356. Explore other affordable destinations below.

Salt Lake City
Salt Lake City
From $2,356

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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 11 June 2026.

  • What is the cheapest month to fly from Idaho?

    Currently, the cheapest month for flights from Idaho is May. The most expensive month for flights is November. 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?

    Cheapflights helps you search for flights from Idaho via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Idaho.

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

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Idaho, users can toggle the no change fees filter when performing a flight search.

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

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Idaho today and book when you’re ready!

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?

Cheapflights helps you search for flights from Idaho via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Idaho.

Can Cheapflights find flights from Idaho with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Idaho, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Idaho today and book when you’re ready!

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