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Billings

$114+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIL
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$282
(Alaska Airlines)

One-way from

$114
(Mytrip)

Popular in

September

Cheapest in

November

Average price

$707
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. 8% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/282:20 pmBOI - BIL
1 stop4h 19mHawaiian Airlines
Sat 11/16:00 amBIL - BOI
1 stop6h 36mHawaiian Airlines
Deal found 9/14$282
This Delta deal was found by Cheapflights users on 9/14. 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 10/2811:41 amBOI - BIL
2 stops10h 44mDelta
Sat 11/12:30 pmBIL - BOI
2 stops9h 38mDelta
Deal found 9/14$294
This Hawaiian Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/2810:05 amBOI - BIL
1 stop4h 55mHawaiian Airlines
Sun 11/27:19 pmBIL - BOI
1 stop4h 35mHawaiian Airlines
Deal found 9/14$319
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/265:54 amBOI - BIL
1 stop7h 26mAlaska Airlines
Sat 11/16:00 amBIL - BOI
1 stop10h 17mAlaska Airlines
Deal found 9/14$322
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 10/296:28 amBOI - BIL
2 stops6h 52mAlaska Airlines
Sat 11/16:00 amBIL - BOI
1 stop4h 29mAlaska Airlines
Deal found 9/14$331
This Delta deal was found by Cheapflights users on 9/14. 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.
Mon 10/272:00 pmBOI - BIL
2 stops8h 25mDelta
Sat 11/12:30 pmBIL - BOI
2 stops9h 38mDelta
Deal found 9/14$334
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:37 pmGEG - BIL
1 stop16h 42mAlaska Airlines
Mon 10/207:15 pmBIL - GEG
1 stop22h 45mAlaska Airlines
Deal found 9/15$342
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 10/266:00 amBOI - BIL
1 stop5h 04mDelta
Sat 11/12:30 pmBIL - BOI
2 stops9h 38mDelta
Deal found 9/14$345
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:00 amGEG - BIL
1 stop4h 04mDelta
Sat 10/116:15 pmBIL - GEG
1 stop5h 19mDelta
Deal found 9/17$347
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sun 10/195:00 amBOI - BIL
1 stop4h 35mUnited Airlines
Tue 10/217:00 amBIL - BOI
1 stop6h 33mUnited Airlines
Deal found 9/15$353
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 10/266:00 amBOI - BIL
1 stop5h 04mDelta
Mon 11/35:25 amBIL - BOI
1 stop4h 52mDelta
Deal found 9/14$357
This Delta deal was found by Cheapflights users on 9/16. 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.
Sun 11/234:43 pmGEG - BIL
1 stop6h 06mDelta
Fri 11/285:18 amBIL - GEG
1 stop4h 49mDelta
Deal found 9/16$357

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 September 17, 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

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Tue 10/28

6:28 am-3:00 pm

1 stop8h 32m

Billings Logan Intl

Tue 11/4

6:00 am-3:12 pm

1 stop9h 12m

$282

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Tue 10/28

2:20 pm-6:39 pm

1 stop4h 19m

Billings Logan Intl

Sat 11/1

6:00 am-12:36 pm

1 stop6h 36m

$282

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Wed 10/29

8:50 am-6:39 pm

1 stop9h 49m

Billings Logan Intl

Sat 11/1

3:40 pm-11:59 pm

1 stop8h 19m

$282

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Tue 10/28

11:41 am-10:25 pm

2 stops10h 44m

Billings Logan Intl

Sat 11/1

2:30 pm-12:08 am

2 stops9h 38m

$294

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Wed 10/29

11:41 am-11:18 pm

2 stops11h 37m

Billings Logan Intl

Tue 11/4

11:45 am-8:16 pm

2 stops8h 31m

$294

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Tue 10/28

10:05 am-3:00 pm

1 stop4h 55m

Billings Logan Intl

Sun 11/2

7:19 pm-11:54 pm

1 stop4h 35m

$319

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Sun 10/26

5:54 am-1:20 pm

1 stop7h 26m

Billings Logan Intl

Tue 11/4

6:00 am-4:17 pm

1 stop10h 17m

$322

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Mon 10/27

8:50 am-3:00 pm

1 stop6h 10m

Billings Logan Intl

Sat 11/1

3:40 pm-11:59 pm

1 stop8h 19m

$322

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Thu 10/30

6:28 am-6:39 pm

1 stop12h 11m

Billings Logan Intl

Sat 11/1

6:00 am-4:17 pm

1 stop10h 17m

$322

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Wed 10/29

10:05 am-3:00 pm

1 stop4h 55m

Billings Logan Intl

Fri 10/31

3:40 pm-9:25 am

1 stop17h 45m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 34 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, January is the cheapest month in which you can book a flight from Idaho to Billings (average of $395). Flying from Idaho to Billings in June is currently the most expensive (average of $509). 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 September 17, 2025.

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

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

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 $282, Alaska Airlines can have you in Billings from Idaho in 4h 19m. 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 $114. Delta flights start at $164 while deals on Alaska Airlines start at $194 one-way.

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

    The most popular route from Idaho to Billings is Spokane - Billings Logan Intl. You may also consider Boise Air Term. Gowen Fld - 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, January is the cheapest month in which you can book a flight from Idaho to Billings (average of $395). Flying from Idaho to Billings in June is currently the most expensive (average of $509). 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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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$283Average$385FlexibilityNo cancel feeOn-time75%
DeltaCheapest$288Average$363FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$290Average$613FlexibilityNo cancel feeOn-time69%

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