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$126+ Cheap flights from Idaho

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/8. 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
23 Jul — 30 Jul1
1 adult

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 18 July 2025.

Good one-way deal

$134 or less
Price to beat on a one-way flight from Idaho.
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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 18 July 2025.

Mon 11/820:46BOI - AUS
1 stop8h 21mAlaska Airlines
Tue 12/809:45AUS - BOI
1 stop9h 26mAlaska Airlines
Deal found 16/7$369
Wed 6/815:17BOI - AUS
1 stop6h 10mDelta
Mon 11/805:20AUS - BOI
1 stop5h 25mDelta
Deal found 16/7$378
Fri 8/806:15BOI - AUS
1 stop5h 10mSouthwest
Wed 13/813:50AUS - BOI
2 stops9h 20mSouthwest
Deal found 16/7$386
Wed 1/1009:25GEG - EWR
1 stop17h 34mAlaska Airlines
Wed 8/1017:45EWR - GEG
1 stop8h 23mAlaska Airlines
Deal found 18/7$386
Sat 6/906:50GEG - LGA
1 stop9h 17mDelta
Sat 13/907:55LGA - GEG
1 stop8h 22mDelta
Deal found 17/7$387
Wed 1/1011:29GEG - EWR
2 stops10h 27mDelta
Wed 8/1018:55EWR - GEG
1 stop7h 44mDelta
Deal found 18/7$395
Sun 19/1009:00BOI - AUS
1 stop8h 39mHawaiian Airlines
Sat 25/1017:43AUS - BOI
1 stop7h 14mHawaiian Airlines
Deal found 18/7$413
Sat 9/817:42BOI - AUS
1 stop5h 17mUnited Airlines
Thu 14/815:30AUS - BOI
2 stops9h 05mUnited Airlines
Deal found 17/7$424
Tue 14/1013:31GEG - PHL
1 stop13h 09mAlaska Airlines
Thu 16/1019:11PHL - GEG
1 stop16h 09mAlaska Airlines
Deal found 18/7$472
Thu 4/1205:45GEG - PHL
1 stop9h 01mDelta
Mon 8/1206:15PHL - GEG
1 stop9h 55mDelta
Deal found 18/7$474
Wed 13/818:07GEG - EWR
1 stop8h 52mHawaiian Airlines
Sat 16/816:34EWR - GEG
1 stop10h 10mHawaiian Airlines
Deal found 17/7$534
Sat 16/818:25GEG - EWR
1 stop8h 11mUnited Airlines
Sat 23/816:30EWR - GEG
1 stop7h 33mUnited Airlines
Deal found 17/7$540

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 18 July 2025. 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

Mon 11/8

20:46-06:07

1 stop8h 21m

Austin Bergstrom

Tue 12/8

09:45-18:11

1 stop9h 26m

$369

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 6/8

15:17-22:27

1 stop6h 10m

Austin Bergstrom

Mon 11/8

05:20-09:45

1 stop5h 25m

$378

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 8/8

06:15-12:25

1 stop5h 10m

Austin Bergstrom

Wed 13/8

13:50-22:10

2 stops9h 20m

$386

SpokaneNewark

GEG - EWR

GEGEWR

Spokane

Wed 1/10

09:25-05:59

1 stop17h 34m

Newark

Wed 8/10

17:45-23:08

1 stop8h 23m

$386

SpokaneNew York

GEG - LGA

GEGLGA

Spokane

Sat 6/9

06:50-19:07

1 stop9h 17m

New York LaGuardia

Sat 13/9

07:55-13:17

1 stop8h 22m

$387

SpokaneNewark

GEG - EWR

GEGEWR

Spokane

Wed 1/10

11:29-00:56

2 stops10h 27m

Newark

Wed 8/10

18:55-23:39

1 stop7h 44m

$395

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sun 19/10

09:00-18:39

1 stop8h 39m

Austin Bergstrom

Sat 25/10

17:43-23:57

1 stop7h 14m

$413

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 9/8

17:42-23:59

1 stop5h 17m

Austin Bergstrom

Thu 14/8

15:30-23:35

2 stops9h 05m

$424

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Tue 14/10

13:31-05:40

1 stop13h 09m

Philadelphia

Thu 16/10

19:11-08:20

1 stop16h 09m

$472

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 4/12

05:45-17:46

1 stop9h 01m

Philadelphia

Mon 8/12

06:15-13:10

1 stop9h 55m

$474

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 53 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, May is the cheapest month in which you can book a flight from Idaho (average of $201). Flying from Idaho in November will prove the most costly (average of $501). 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 $134. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $87

Airline reviews for flights from Idaho

Get insights into the airlines that provide service from Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Idaho. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Check out reviews from past customers who have flown Alaska Airlines, Southwest, andDelta from Idaho to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very Good
4,239 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very Good
7,958 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.8
Good
2,583 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,865 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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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 18 July 2025.

  • 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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