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Idaho

$159+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Billings to Idaho

Keep the following information in mind while searching for Billings to Idaho flight deals. Data was last updated June 12, 2025.

Round-trip from

$286
(Alaska Airlines)

One-way from

$159
(Alaska Airlines)

Popular in

September

Cheapest in

December

Average price

$456
From Billings Logan Intl to Idaho
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One-way flight from Billings Logan Intl to Idaho
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Highest demand for flights based on searches. 9% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 10/137:18 pmBIL - GEG
1 stop5h 41mAlaska Airlines
Tue 10/145:05 amGEG - BIL
1 stop7h 14mAlaska Airlines
Deal found 6/10$286
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 8/263:43 pmBIL - BOI
1 stop4h 04mAlaska Airlines
Thu 8/286:35 amBOI - BIL
1 stop8h 28mAlaska Airlines
Deal found 6/11$293
This Delta deal was found by Cheapflights users on 6/11. 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.
Thu 7/35:20 amBIL - BOI
1 stop4h 09mDelta
Tue 7/86:00 pmBOI - BIL
1 stop6h 07mDelta
Deal found 6/11$329
This Delta deal was found by Cheapflights users on 6/10. 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.
Thu 8/285:25 amBIL - GEG
1 stop4h 28mDelta
Sun 8/315:45 amGEG - BIL
1 stop4h 05mDelta
Deal found 6/10$335
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/244:15 pmBIL - GEG
1 stop5h 48mUnited Airlines
Sun 7/275:30 amGEG - BIL
1 stop6h 47mUnited Airlines
Deal found 6/10$432
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 7/285:00 amBIL - BOI
1 stop4h 46mUnited Airlines
Mon 7/287:15 pmBOI - BIL
2 stops16h 21mUnited Airlines
Deal found 6/10$591
This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:17 pmBIL - GEG
1 stop5h 42mHawaiian Airlines
Mon 6/164:46 pmGEG - BIL
1 stop6h 22mHawaiian Airlines
Deal found 6/9$686
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:12 pmBIL - GEG
3 stops23h 35mMultiple Airlines
Sun 7/65:29 pmGEG - BIL
2 stops27h 07mMultiple Airlines
Deal found 6/10$723

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 June 12, 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

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Mon 10/13

7:18 pm-11:59 pm

1 stop5h 41m

Spokane

Tue 10/14

5:05 am-1:19 pm

1 stop7h 14m

$286

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 8/26

3:43 pm-7:47 pm

1 stop4h 04m

Boise Air Term. Gowen Fld

Thu 8/28

6:35 am-3:03 pm

1 stop8h 28m

$293

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Thu 7/3

5:20 am-9:29 am

1 stop4h 09m

Boise Air Term. Gowen Fld

Tue 7/8

6:00 pm-12:07 am

1 stop6h 07m

$329

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 8/28

5:25 am-8:53 am

1 stop4h 28m

Spokane

Sun 8/31

5:45 am-10:50 am

1 stop4h 05m

$335

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 7/24

4:15 pm-9:03 pm

1 stop5h 48m

Spokane

Sun 7/27

5:30 am-1:17 pm

1 stop6h 47m

$432

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Mon 7/28

5:00 am-9:46 am

1 stop4h 46m

Boise Air Term. Gowen Fld

Mon 7/28

7:15 pm-11:36 am

2 stops16h 21m

$591

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 7/2

6:12 pm-4:47 pm

3 stops23h 35m

Spokane

Sun 7/6

5:29 pm-9:36 pm

2 stops27h 07m

$723

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Wed 7/9

6:00 am-10:45 am

1 stop4h 45m

$159

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 8/14

7:17 pm-10:56 pm

1 stop4h 39m

$167

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Fri 7/11

6:20 am-1:17 pm

1 stop7h 57m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 17 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 month to book a flight from Billings to Idaho?

Currently, October is the cheapest month in which you can book a flight from Billings to Idaho (average of $314). Flying from Billings to Idaho in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 June 12, 2025.

When flying from Billings to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Billings to Idaho to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Billings to Idaho one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $159. Delta flights start at $169 while deals on Hawaiian Airlines start at $187 one-way.

  • 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.

  • What is the cheapest month to book a flight from Billings to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Billings to Idaho (average of $314). Flying from Billings to Idaho in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Billings to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$351FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$449FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$321Average$468FlexibilityNo cancel feeOn-time69%

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