$186+ 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 31/3. 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
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Idaho

Discover essential information about flights departing from Idaho, including flight schedules, destinations, airlines operating at the Idaho airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 3 February 2026.

Good round-trip deal

$2,424 or less

Good one-way deal

$181 or less
Price to beat on a round-trip flight from Idaho.
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Price to beat on a one-way flight from Idaho.
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Find flights from Idaho

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 3 February 2026.

Wed 4/306:25
BOI
-
AUS
1 stop5h 30m
United Airlines
Wed 4/318:19
AUS
-
BOI
1 stop6h 29m
United Airlines
Deal found 1/2$341
Tue 3/305:00
BOI
-
AUS
2 stops7h 13m
United Airlines
Tue 10/305:30
AUS
-
BOI
1 stop5h 36m
United Airlines
Deal found 2/2$348
Sat 21/213:51
BOI
-
AUS
1 stop9h 05m
Delta
Sun 1/306:00
AUS
-
BOI
1 stop7h 09m
Delta
Deal found 31/1$367
Sat 28/206:45
GEG
-
EWR
1 stop9h 15m
Delta
Sat 7/317:30
EWR
-
GEG
1 stop8h 21m
Delta
Deal found 1/2$370
Sat 28/206:45
GEG
-
LGA
1 stop7h 02m
Delta
Sat 7/306:00
LGA
-
GEG
1 stop8h 35m
Delta
Deal found 1/2$370
Tue 31/314:15
GEG
-
PHL
1 stop6h 44m
Delta
Tue 7/418:49
PHL
-
GEG
1 stop7h 59m
Delta
Deal found 2/2$370
Tue 14/422:40
GEG
-
PHL
1 stop7h 45m
Delta
Tue 21/417:32
PHL
-
GEG
2 stops9h 48m
Delta
Deal found 1/2$377
Fri 27/219:31
BOI
-
AUS
1 stop16h 57m
Alaska Airlines
Mon 2/315:35
AUS
-
BOI
1 stop8h 05m
Alaska Airlines
Deal found 2/2$393
Tue 10/305:00
BOI
-
AUS
2 stops7h 14m
United Airlines
Wed 18/305:30
AUS
-
BOI
1 stop5h 36m
United Airlines
Deal found 2/2$412
Sun 19/414:08
GEG
-
LGA
1 stop6h 34m
Delta
Tue 21/407:55
LGA
-
GEG
1 stop8h 08m
Delta
Deal found 1/2$414
Thu 23/412:52
GEG
-
EWR
1 stop8h 59m
Delta
Sat 2/506:00
EWR
-
GEG
1 stop8h 41m
Delta
Deal found 2/2$435
Wed 18/315:00
BOI
-
AUS
1 stop6h 58m
Delta
Mon 23/318:06
AUS
-
BOI
1 stop6h 39m
Delta
Deal found 31/1$443

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

Fly to

Philadelphia

Route

Depart

Return

Price

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 28/3

06:00-13:44

1 stop6h 44m

Austin Bergstrom

Tue 31/3

06:03-13:05

1 stop8h 02m

$341

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 3/3

05:00-13:13

2 stops7h 13m

Austin Bergstrom

Tue 10/3

05:30-10:06

1 stop5h 36m

$348

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 18/5

14:25-22:35

1 stop7h 10m

Austin Bergstrom

Wed 20/5

06:00-11:36

1 stop6h 36m

$367

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 29/4

06:15-13:08

1 stop5h 53m

Austin Bergstrom

Mon 4/5

14:10-22:16

1 stop9h 06m

$367

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 24/3

07:05-15:38

1 stop7h 33m

Austin Bergstrom

Thu 2/4

06:03-13:05

1 stop8h 02m

$367

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 30/3

08:00-13:44

1 stop4h 44m

Austin Bergstrom

Wed 1/4

05:22-12:38

1 stop8h 16m

$367

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 21/2

13:51-23:56

1 stop9h 05m

Austin Bergstrom

Sun 1/3

06:00-12:09

1 stop7h 09m

$367

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Tue 31/3

14:15-23:59

1 stop6h 44m

Philadelphia

Tue 7/4

18:49-23:48

1 stop7h 59m

$370

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Tue 14/4

22:40-09:25

1 stop7h 45m

Philadelphia

Tue 21/4

17:32-00:20

2 stops9h 48m

$377

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 27/2

19:31-13:28

1 stop16h 57m

Austin Bergstrom

Mon 2/3

16:30-23:30

1 stop8h 00m

$393

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 60 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, December is the cheapest month in which you can book a flight from Idaho (average of $147). Flying from Idaho in January will prove the most costly (average of $420). 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 Seattle/Tacoma Intl, with prices starting at $181. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $181
Salt Lake City
Salt Lake City
From $2,378

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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 3 February 2026.

  • What is the cheapest month to fly from Idaho?

    Currently, the cheapest month for flights from Idaho is December. The most expensive month for flights is January. 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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