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Idaho

$169+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOI
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$238
(Delta)

One-way from

$169
(Hawaiian Airlines)

Popular in

September

Cheapest in

December

Average price

$794
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. 23% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($30 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 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 September 17, 2025.

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.
Tue 10/215:25 amBIL - GEG
2 stops8h 10mDelta
Fri 10/315:05 amGEG - BIL
2 stops6h 52mDelta
Deal found 9/17$238
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.
Wed 10/226:15 pmBIL - GEG
2 stops6h 44mDelta
Wed 10/294:50 pmGEG - BIL
1 stop4h 35mDelta
Deal found 9/16$291
This Hawaiian Airlines 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:15 pmBIL - GEG
1 stop6h 12mHawaiian Airlines
Wed 10/297:35 amGEG - BIL
1 stop6h 25mHawaiian Airlines
Deal found 9/16$302
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.
Mon 10/206:15 pmBIL - GEG
2 stops6h 44mDelta
Mon 10/274:50 pmGEG - BIL
1 stop4h 35mDelta
Deal found 9/17$311
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 10/207:15 pmBIL - GEG
1 stop14h 05mAlaska Airlines
Tue 10/285:51 amGEG - BIL
1 stop8h 09mAlaska Airlines
Deal found 9/15$322
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/171:59 pmBIL - BOI
1 stop25h 46mAlaska Airlines
Fri 10/248:26 pmBOI - BIL
1 stop18h 38mAlaska Airlines
Deal found 9/17$322
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.
Fri 10/246:15 pmBIL - GEG
2 stops6h 44mDelta
Fri 10/311:15 pmGEG - BIL
2 stops8h 50mDelta
Deal found 9/17$325
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amBIL - BOI
1 stop5h 09mAlaska Airlines
Fri 10/105:38 pmBOI - BIL
1 stop6h 30mAlaska Airlines
Deal found 9/16$330
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:15 pmBIL - GEG
1 stop16h 43mAlaska Airlines
Mon 10/277:34 pmGEG - BIL
1 stop16h 46mAlaska Airlines
Deal found 9/17$342
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:00 pmBIL - BOI
1 stop20h 29mAlaska Airlines
Sun 11/25:28 amBOI - BIL
1 stop17h 39mAlaska Airlines
Deal found 9/17$342
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:15 pmBIL - GEG
2 stops6h 44mDelta
Tue 10/281:15 pmGEG - BIL
2 stops8h 10mDelta
Deal found 9/15$347
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:25 amBIL - BOI
1 stop4h 52mDelta
Sat 10/1811:12 amBOI - BIL
1 stop6h 04mDelta
Deal found 9/15$348

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 September 17, 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

Tue 10/21

5:25 am-12:35 pm

2 stops8h 10m

Spokane

Fri 10/31

5:05 am-12:57 pm

2 stops6h 52m

$238

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 10/22

5:25 am-12:35 pm

2 stops8h 10m

Spokane

Fri 10/31

5:05 am-12:57 pm

2 stops6h 52m

$238

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 10/22

6:15 pm-11:59 pm

2 stops6h 44m

Spokane

Wed 10/29

2:17 pm-11:18 pm

1 stop8h 01m

$291

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 10/22

7:15 pm-12:27 am

1 stop6h 12m

Spokane

Wed 10/29

7:35 am-3:00 pm

1 stop6h 25m

$302

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Fri 10/24

5:25 am-9:03 am

1 stop4h 38m

Spokane

Fri 10/31

5:05 am-12:57 pm

2 stops6h 52m

$311

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Mon 10/20

6:15 pm-11:59 pm

2 stops6h 44m

Spokane

Mon 10/27

4:50 pm-10:25 pm

1 stop4h 35m

$311

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Tue 10/21

7:15 pm-5:00 pm

1 stop22h 45m

Spokane

Fri 10/31

12:33 pm-1:20 pm

1 stop23h 47m

$322

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 10/7

6:00 am-11:09 am

1 stop5h 09m

Boise Air Term. Gowen Fld

Fri 10/10

5:38 pm-12:08 am

1 stop6h 30m

$330

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Fri 2/20

1:25 pm-9:26 am

1 stop20h 01m

Boise Air Term. Gowen Fld

Sun 2/22

6:00 am-1:15 pm

1 stop7h 15m

$342

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Fri 10/31

2:00 pm-10:29 am

1 stop20h 29m

Boise Air Term. Gowen Fld

Sun 11/2

5:28 am-11:07 pm

1 stop17h 39m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 30 results
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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 $398). 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 September 17, 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.

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 September 17, 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
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 09m. Airlines will cover a distance of 407 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $169. Alaska Airlines flights start at $206 while deals on Delta start at $207 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 $398). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$378FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$429FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$321Average$656FlexibilityNo cancel feeOn-time69%

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