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Idaho

$153+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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 12/315:15 amBIL - BOI
1 stop6h 47mDelta
Sun 1/45:50 amBOI - BIL
1 stop5h 22mDelta
Deal found 12/16$535
This Delta deal was found by Cheapflights users on 12/16. 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 12/315:15 amBIL - GEG
2 stops8h 14mDelta
Sun 1/45:55 amGEG - BIL
1 stop4h 17mDelta
Deal found 12/16$573
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:35 amBIL - GEG
1 stop15h 23mUnited Airlines
Sun 1/45:05 amGEG - BIL
1 stop7h 19mUnited Airlines
Deal found 12/16$642
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/219:25 amBIL - GEG
1 stop25h 22mAllegiant Air
Tue 12/2311:19 amGEG - BIL
1 stop22h 58mAllegiant Air
Deal found 12/17$698
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Sat 12/203:50 pmBIL - BOI
1 stop28h 50mMultiple Airlines
Sun 12/2812:38 pmBOI - BIL
2 stops20h 46mMultiple Airlines
Deal found 12/15$710
This Delta deal was found by Cheapflights users on 12/16. 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 12/266:25 amBIL - GEG
1 stop6h 59mDelta
Sun 1/45:55 amGEG - BIL
1 stop4h 17mDelta
Deal found 12/16$728
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:50 pmBIL - BOI
2 stops18h 49mUnited Airlines
Sun 1/46:15 amBOI - BIL
1 stop7h 09mUnited Airlines
Deal found 12/16$749
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:50 pmBIL - BOI
1 stop4h 50mUnited Airlines
Sun 12/285:12 pmBOI - BIL
1 stop16h 37mUnited Airlines
Deal found 12/15$803
This Delta deal was found by Cheapflights users on 12/18. 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 - GEG
1 stop4h 53mDelta
Sun 12/281:22 pmGEG - BIL
1 stop8h 57mDelta
Deal found 12/18$853
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/219:25 amBIL - GEG
1 stop25h 22mMultiple Airlines
Tue 12/2312:02 pmGEG - BIL
2 stops22h 15mMultiple Airlines
Deal found 12/17$994
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:50 amBIL - BOI
1 stop40h 50mAmerican Airlines
Sun 12/285:23 pmBOI - BIL
1 stop5h 31mAmerican Airlines
Deal found 12/15$1,037
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/213:27 pmBIL - GEG
2 stops17h 52mAlaska Airlines
Tue 12/237:26 pmGEG - BIL
2 stops28h 06mAlaska Airlines
Deal found 12/17$1,264

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 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$242
(Alaska Airlines)

One-way from

$153
(Delta)

Popular in

August

Cheapest in

May

Average price

$543
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. 9% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 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 18, 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 1/17

3:35 pm-8:04 pm

1 stop4h 29m

Boise Air Term. Gowen Fld

Sat 1/24

5:40 am-1:22 pm

1 stop7h 42m

$242

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Sat 1/24

3:35 pm-8:04 pm

1 stop4h 29m

Boise Air Term. Gowen Fld

Wed 1/28

1:55 pm-11:36 pm

1 stop9h 41m

$243

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Sat 1/10

7:00 am-11:06 pm

1 stop17h 06m

Spokane

Wed 1/14

9:05 am-11:36 pm

1 stop13h 31m

$245

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 1/29

7:00 am-5:06 pm

1 stop11h 06m

Spokane

Wed 2/4

9:05 am-11:36 pm

1 stop13h 31m

$254

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 1/29

11:47 am-10:52 pm

2 stops12h 05m

Spokane

Wed 2/4

6:05 am-5:30 pm

2 stops10h 25m

$256

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Sat 2/28

2:04 pm-6:22 pm

1 stop4h 18m

Boise Air Term. Gowen Fld

Tue 3/3

5:40 am-2:52 pm

2 stops9h 12m

$272

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Mon 5/11

3:50 pm-7:40 pm

1 stop3h 50m

Boise Air Term. Gowen Fld

Sat 5/16

6:00 am-1:17 pm

1 stop7h 17m

$347

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Mon 1/12

11:47 am-10:52 pm

2 stops12h 05m

$153

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Mon 1/12

10:39 am-9:25 am

3 stops23h 46m

$298

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Fri 12/26

6:35 am-12:45 pm

1 stop7h 10m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 11 results
1
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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 18, 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 18, 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
11,479 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,479 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,093 reviews
Alaska Airlines
8.0
Very good
11,479 reviews

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 4h 29m. Airlines will cover a distance of 407 mi.

  • 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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Alternative routes for Billings to Idaho

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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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$228Average$477FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$374FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$331Average$402FlexibilityNo cancel feeOn-time69%

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