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Billings

$145+ Cheap flights from Idaho to Billings (BIL)

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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIL
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap flight deals from Idaho to Billings

Keep the following information in mind while searching for Idaho to Billings flight deals. Data was last updated November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$224
(Alaska Airlines)

One-way from

$145
(Kiwi.com)

Popular in

September

Cheapest in

August

Average price

$412
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Billings Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Billings Logan Intl flights.
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From Idaho to Billings Logan Intl
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One-way flight from Idaho to Billings Logan Intl
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Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Idaho to Billings

Cheapest flights from Idaho to Billings
Explore the most affordable flight options available from Idaho to Billings. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Sat 12/67:15 amGEG - BIL
1 stop15h 53mAlaska Airlines
Fri 12/122:02 pmBIL - GEG
1 stop10h 12mAlaska Airlines
Deal found 11/3$224
This Delta deal was found by Cheapflights users on 11/2. 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 12/66:05 amGEG - BIL
2 stops10h 37mDelta
Mon 12/85:14 amBIL - GEG
2 stops8h 15mDelta
Deal found 11/2$226
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/19:09 pmGEG - BIL
1 stop25h 59mAlaska Airlines
Mon 12/86:00 amBIL - GEG
1 stop18h 14mAlaska Airlines
Deal found 11/3$253
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:55 amBOI - BIL
1 stop25h 00mAlaska Airlines
Mon 1/511:35 amBIL - BOI
1 stop22h 32mAlaska Airlines
Deal found 11/2$262
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:00 amGEG - BIL
1 stop4h 56mAlaska Airlines
Mon 12/83:36 pmBIL - GEG
2 stops8h 38mAlaska Airlines
Deal found 11/2$274
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:50 pmBOI - BIL
1 stop26h 42mAlaska Airlines
Mon 1/511:35 amBIL - BOI
1 stop23h 38mAlaska Airlines
Deal found 11/2$292
This Delta deal was found by Cheapflights users on 11/2. 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 12/66:05 amGEG - BIL
2 stops10h 37mDelta
Fri 12/1211:47 amBIL - GEG
2 stops12h 02mDelta
Deal found 11/2$316
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/510:41 pmBOI - BIL
1 stop13h 01mMultiple Airlines
Wed 12/2412:07 pmBIL - BOI
2 stops23h 36mMultiple Airlines
Deal found 11/2$334
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/52:49 pmBOI - BIL
1 stop6h 32mUnited Airlines
Wed 12/242:40 pmBIL - BOI
1 stop8h 00mUnited Airlines
Deal found 11/2$337
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3011:19 amGEG - BIL
1 stop22h 58mAllegiant Air
Sun 1/47:55 pmBIL - GEG
1 stop14h 52mAllegiant Air
Deal found 11/3$364
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amBOI - BIL
1 stop5h 02mDelta
Sun 11/235:18 amBIL - BOI
1 stop4h 54mDelta
Deal found 11/1$439
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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.
Tue 11/1810:04 amBOI - BIL
1 stop4h 56mAlaska Airlines
Sat 11/226:00 amBIL - BOI
1 stop4h 45mAlaska Airlines
Deal found 11/3$470

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Billings 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 November 4, 2025.
Use the filters below to find and compare flights from Idaho to Billings that are best for you.

Fly from

Idaho

Fly to

Billings

Route

Depart

Return

Price

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Sat 12/6

6:05 am-5:42 pm

2 stops10h 37m

Billings Logan Intl

Mon 12/8

5:14 am-12:29 pm

2 stops8h 15m

$226

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Mon 12/1

9:09 pm-12:08 am

1 stop25h 59m

Billings Logan Intl

Mon 12/8

6:00 am-11:14 pm

1 stop18h 14m

$253

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Wed 12/24

9:55 am-10:55 am

1 stop25h 00m

Billings Logan Intl

Mon 1/5

11:35 am-10:07 am

1 stop22h 32m

$262

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Sat 12/6

9:00 am-2:56 pm

1 stop4h 56m

Billings Logan Intl

Mon 12/8

3:36 pm-11:14 pm

2 stops8h 38m

$274

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Sat 12/6

7:47 pm-12:08 am

1 stop27h 21m

Billings Logan Intl

Fri 12/12

3:36 pm-8:37 am

1 stop18h 01m

$281

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Mon 12/29

9:50 pm-12:32 am

1 stop26h 42m

Billings Logan Intl

Mon 1/5

11:35 am-11:13 am

1 stop23h 38m

$292

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Sat 12/6

5:05 am-5:42 pm

2 stops11h 37m

Billings Logan Intl

Fri 12/12

11:47 am-10:49 pm

2 stops12h 02m

$316

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 12/5

10:41 pm-11:42 am

1 stop13h 01m

Billings Logan Intl

Wed 12/24

12:07 pm-11:43 am

2 stops23h 36m

$334

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Tue 4/14

5:45 pm-10:43 pm

1 stop3h 58m

Billings Logan Intl

Sat 4/18

3:35 pm-6:32 pm

1 stop3h 57m

$336

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 12/5

2:49 pm-9:21 pm

1 stop6h 32m

Billings Logan Intl

Wed 12/24

2:40 pm-10:40 pm

1 stop8h 00m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 25 results
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Best time to book a flight from Idaho to Billings

Have a flexible travel schedule? Discover the best time to fly to Billings from Idaho 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 Idaho to Billings

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

Currently, May is the cheapest month in which you can book a flight from Idaho to Billings (average of $215). Flying from Idaho to Billings in February is currently the most expensive (average of $554). 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 ID to BIL?

Find hourly flight availability from Idaho to Billings. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

It’s optimal to fly from Idaho to Billings in the evening. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Billings. 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 into for flights to Billings from Idaho?

    Billings Logan Intl (BIL) is the airport you will fly into if you book a flight from Idaho to Billings. It is only a 2.7 mi journey from Billings Logan Intl (BIL) to Billings’s city center.

  • How long is the flight from Idaho to Billings?

    For as low as $337, Delta can have you in Billings from Idaho in 6h 32m. There are 407 mi between Idaho and Billings. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Allegiant Air, which is currently one of the cheapest options available, starting at $244. Alaska Airlines flights start at $259 while deals on Delta start at $274 one-way.

  • What are the most popular routes from Idaho to Billings?

    The most popular route from Idaho to Billings is Boise Air Term. Gowen Fld - Billings Logan Intl. You may also consider Spokane - Billings Logan Intl or Pocatello - Billings Logan Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Billings 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 Idaho to Billings?

    Currently, May is the cheapest month in which you can book a flight from Idaho to Billings (average of $215). Flying from Idaho to Billings in February is currently the most expensive (average of $554). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to Billings

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Top 3 airlines flying from Idaho to Billings

Discover the top 3 airlines that operate flights from Idaho to Billings. 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$290Average$558FlexibilityNo cancel feeOn-time69%
DeltaCheapest$304Average$369FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$326Average$399FlexibilityNo cancel feeOn-time75%

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