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Idaho

$133+ Cheap flights from Billings (BIL) to 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOI
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Billings to Idaho

Cheapest flights from Billings to Idaho
Explore the most affordable flight options available from Billings to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:02 amBIL - BOI
1 stop5h 42mAllegiant Air
Sun 12/219:30 pmBOI - BIL
1 stop16h 38mAllegiant Air
Deal found 12/2$384
This Alaska Airlines deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:27 pmBIL - BOI
1 stop8h 30mAlaska Airlines
Tue 12/309:50 pmBOI - BIL
1 stop26h 42mAlaska Airlines
Deal found 12/1$423
This Delta deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/265:14 amBIL - BOI
1 stop4h 54mDelta
Sat 1/31:00 pmBOI - BIL
1 stop4h 40mDelta
Deal found 12/3$439
This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:24 pmBIL - BOI
2 stops23h 27mMultiple Airlines
Fri 12/1210:41 pmBOI - BIL
1 stop13h 01mMultiple Airlines
Deal found 12/2$467
This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:02 amBIL - BOI
2 stops25h 57mMultiple Airlines
Sun 12/219:30 pmBOI - BIL
1 stop16h 38mMultiple Airlines
Deal found 12/2$481
This Alaska Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:00 amBIL - GEG
1 stop19h 32mAlaska Airlines
Fri 1/25:30 amGEG - BIL
1 stop18h 02mAlaska Airlines
Deal found 12/3$489
This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:24 pmBIL - BOI
1 stop17h 20mAllegiant Air
Fri 12/1210:41 pmBOI - BIL
1 stop13h 01mAllegiant Air
Deal found 12/2$504
This Kiwi.com deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:25 amBIL - GEG
1 stop25h 22mAllegiant Air
Mon 12/2210:37 amGEG - BIL
1 stop20h 58mAllegiant Air
Deal found 12/1$505
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:15 amBIL - BOI
1 stop4h 53mDelta
Sat 1/35:50 amBOI - BIL
1 stop5h 22mDelta
Deal found 12/2$519
This Delta deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:47 amBIL - GEG
1 stop4h 53mDelta
Sun 12/214:53 pmGEG - BIL
1 stop4h 48mDelta
Deal found 12/2$537
This Kiwi.com deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:02 amBIL - GEG
1 stop25h 27mAllegiant Air
Mon 12/2910:37 amGEG - BIL
1 stop20h 58mAllegiant Air
Deal found 12/2$543
This Delta deal was found by Cheapflights users on 11/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:22 pmBIL - GEG
1 stop6h 37mDelta
Sat 12/204:53 pmGEG - BIL
1 stop4h 48mDelta
Deal found 11/30$568

Find flight deals from Billings to Idaho

Keep the following information in mind while searching for Billings to Idaho flight deals. Data was last updated December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$224
(Hawaiian Airlines)

One-way from

$133
(Delta)

Popular in

December

Cheapest in

January

Average price

$665
Provider with most accurate pricing for Billings Logan Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Billings Logan Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Billings Logan Intl to Idaho
Search Deals
One-way flight from Billings Logan Intl to Idaho
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
Use the filters below to find and compare flights from Billings to Idaho that are best for you.

Fly from

Billings

Fly to

Idaho

Route

Depart

Return

Price

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Sat 1/10

2:02 pm-11:01 pm

1 stop8h 59m

Boise Air Term. Gowen Fld

Wed 1/14

6:23 am-2:55 pm

1 stop8h 32m

$224

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Sat 1/10

7:00 am-12:51 pm

1 stop5h 51m

Boise Air Term. Gowen Fld

Wed 1/14

1:55 pm-11:36 pm

1 stop9h 41m

$224

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Sat 1/17

11:47 am-8:58 pm

2 stops10h 11m

Spokane

Wed 1/21

5:05 am-5:30 pm

2 stops11h 25m

$226

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Sat 1/10

5:15 am-6:28 pm

2 stops13h 13m

Boise Air Term. Gowen Fld

Wed 1/14

9:15 am-7:25 pm

2 stops10h 10m

$226

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Sat 1/17

2:02 pm-7:03 pm

1 stop6h 01m

Spokane

Wed 1/21

6:29 pm-11:36 pm

1 stop4h 07m

$234

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 1/29

11:47 am-6:45 pm

2 stops7h 58m

Spokane

Wed 2/4

5:05 am-5:30 pm

2 stops11h 25m

$236

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Sat 1/17

3:35 pm-12:23 am

2 stops9h 48m

Spokane

Wed 1/21

12:10 pm-11:36 pm

1 stop10h 26m

$244

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 1/21

3:35 pm-9:25 pm

1 stop6h 50m

Spokane

Fri 1/23

7:49 pm-11:36 pm

1 stop26h 47m

$244

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Sat 2/21

7:00 am-2:58 pm

1 stop7h 58m

Boise Air Term. Gowen Fld

Wed 2/25

6:00 pm-11:38 pm

1 stop5h 38m

$245

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Sat 2/21

5:10 am-1:11 pm

2 stops8h 01m

Boise Air Term. Gowen Fld

Wed 2/25

8:50 am-7:39 pm

2 stops10h 49m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 20 results
1
2

Best time to book a flight from Billings to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Billings with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Billings to Idaho

What is the cheapest time of day to fly from BIL to ID?

Find hourly flight availability from Billings to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

It’s typically best to fly out from Billings to Idaho in the evening. Doing so could potentially save you 44% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Billings to Idaho?

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated December 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from Billings to 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
11,390 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Alaska Airlines
8.0
Very good
11,390 reviews
Alaska Airlines
8.0
Very good
11,390 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,390 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.
United Airlines
7.4
Good
9,064 reviews
Alaska Airlines
8.0
Very good
11,390 reviews

Entertainment

7.0

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

PDX - BNA

My family especially liked the leg room and comfortable seats.

Related info for your journey

Find useful and relevant information for your journey from Billings to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Billings to Idaho?

    If you book a flight to Idaho from Billings, you will be flying from Billings Logan Intl, which is the city’s only airport. Billings Logan Intl (BIL) is located 2.7 mi from the center of Billings.

  • How long is the flight from Billings to Idaho?

    Departing from Billings to Idaho will take you 5h 51m. Airlines will cover a distance of 407 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Billings to Idaho that include hotel bookings?

    Yes. In addition to deals on Billings to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Idaho.

  • Can I find deals for business class flights from Billings to Idaho?

    Yes. Cheapflights offers flight deals from Billings to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Top 3 airlines flying from Billings to Idaho

Discover the top 3 airlines that operate flights from Billings to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$456FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$387FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$331Average$402FlexibilityNo cancel feeOn-time69%

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