HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$113+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — BOI
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Billings to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 21, 2025.

Round-trip from

$239
(Delta)

One-way from

$113
(Mytrip)

Popular in

September

Cheapest in

December

Average price

$503
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. 11% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 21, 2025.

This Delta deal was found by Cheapflights users on 8/20. 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 10/46:25 amBIL - GEG
1 stop7h 52mDelta
Wed 10/84:50 pmGEG - BIL
1 stop4h 35mDelta
Deal found 8/20$239
This Delta deal was found by Cheapflights users on 8/18. 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.
Tue 11/185:45 amBIL - BOI
2 stops10h 44mDelta
Wed 11/266:00 amBOI - BIL
1 stop5h 03mDelta
Deal found 8/18$285
This Hawaiian Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 10/117:15 pmBIL - GEG
1 stop6h 12mHawaiian Airlines
Mon 10/135:54 pmGEG - BIL
1 stop5h 14mHawaiian Airlines
Deal found 8/20$287
This Delta deal was found by Cheapflights users on 8/21. 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 10/225:25 amBIL - GEG
2 stops8h 10mDelta
Sun 10/264:50 pmGEG - BIL
1 stop4h 35mDelta
Deal found 8/21$293
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/59:58 amBIL - BOI
1 stop27h 23mMultiple Airlines
Sun 9/72:16 pmBOI - BIL
1 stop28h 39mMultiple Airlines
Deal found 8/20$293
This Delta deal was found by Cheapflights users on 8/18. 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.
Tue 11/185:45 amBIL - BOI
2 stops10h 44mDelta
Sat 11/2211:30 amBOI - BIL
1 stop6h 18mDelta
Deal found 8/18$296
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 9/267:18 pmBIL - BOI
1 stop19h 42mAlaska Airlines
Sun 9/288:42 pmBOI - BIL
1 stop27h 29mAlaska Airlines
Deal found 8/20$302
This Delta deal was found by Cheapflights users on 8/18. 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.
Tue 11/1811:38 amBIL - BOI
2 stops8h 38mDelta
Thu 11/277:30 amBOI - BIL
2 stops9h 27mDelta
Deal found 8/18$304
This Delta deal was found by Cheapflights users on 8/18. 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 11/225:45 amBIL - BOI
1 stop4h 34mDelta
Tue 11/256:00 amBOI - BIL
1 stop5h 03mDelta
Deal found 8/18$308
This Delta deal was found by Cheapflights users on 8/18. 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.
Tue 11/185:45 amBIL - BOI
2 stops10h 44mDelta
Tue 11/2510:38 amBOI - BIL
2 stops11h 54mDelta
Deal found 8/18$309
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:00 amBIL - BOI
1 stop10h 17mAlaska Airlines
Thu 11/271:26 pmBOI - BIL
1 stop25h 18mAlaska Airlines
Deal found 8/18$313
This Delta deal was found by Cheapflights users on 8/18. 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 11/2211:38 amBIL - BOI
2 stops8h 38mDelta
Wed 11/266:00 amBOI - BIL
1 stop5h 03mDelta
Deal found 8/18$315

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 August 21, 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

Sat 10/4

5:25 am-8:54 am

1 stop4h 29m

Spokane

Wed 10/8

4:50 pm-10:25 pm

1 stop4h 35m

$239

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 11/18

5:45 am-4:29 pm

2 stops10h 44m

Boise Air Term. Gowen Fld

Wed 11/26

6:00 am-11:03 am

1 stop5h 03m

$285

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 11/18

5:45 am-6:31 pm

2 stops12h 46m

Boise Air Term. Gowen Fld

Tue 11/25

5:45 pm-10:32 pm

1 stop4h 47m

$285

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Sat 10/11

7:15 pm-12:27 am

1 stop6h 12m

Spokane

Mon 10/13

5:54 pm-12:08 am

1 stop5h 14m

$287

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 10/22

6:00 am-10:58 am

1 stop5h 58m

Spokane

Sun 10/26

5:00 am-1:20 pm

1 stop7h 20m

$287

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Fri 9/5

9:58 am-1:21 pm

1 stop27h 23m

Boise Air Term. Gowen Fld

Sun 9/7

2:16 pm-6:55 pm

1 stop28h 39m

$293

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 10/22

5:25 am-12:35 pm

2 stops8h 10m

Spokane

Sun 10/26

4:50 pm-10:25 pm

1 stop4h 35m

$293

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Wed 11/19

5:45 am-10:19 am

1 stop4h 34m

Boise Air Term. Gowen Fld

Wed 11/26

6:00 am-11:03 am

1 stop5h 03m

$295

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Wed 11/19

5:59 pm-12:17 am

1 stop6h 18m

Boise Air Term. Gowen Fld

Tue 11/25

5:45 pm-10:32 pm

1 stop4h 47m

$295

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 11/18

5:45 am-4:29 pm

2 stops10h 44m

Boise Air Term. Gowen Fld

Sat 11/22

11:30 am-5:48 pm

1 stop6h 18m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 26 results
1
2
3

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 $399). 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 August 21, 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 August 21, 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

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,930 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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 443 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 $119. Delta flights start at $125 while deals on Alaska Airlines start at $223 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 $399). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Billings to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Denver flights
Bozeman to Seattle flights
Bozeman to Las Vegas flights
Missoula to Seattle flights
Kalispell to Dallas/Fort Worth flights
Great Falls to Dallas/Fort Worth flights
Bozeman to Newark flights
Bozeman to O'Hare Intl flights
Bozeman to Atlanta flights
Bozeman to Dallas/Fort Worth flights
Bozeman to Minneapolis flights
Bozeman to John F Kennedy Intl flights
Billings to Seattle flights
Kalispell to Hobby flights
Kalispell to Seattle flights
Bozeman to San Francisco flights
Butte to Hobby flights
Butte to George Bush Intcntl flights
Missoula to O'Hare Intl flights
Billings to O'Hare Intl flights
Helena to Seattle flights
Bozeman to Detroit flights
Bozeman to Nashville flights
Bozeman to Grand Rapids flights
Kalispell to San Francisco flights
Bozeman to Hobby flights
Bozeman to Orlando flights
Bozeman to LaGuardia flights
Bozeman to Los Angeles flights
Missoula to Denver flights
Bozeman to Dulles Intl flights
Missoula to Minneapolis flights
Kalispell to San Diego flights
Kalispell to Portland flights
Bozeman to Midway flights
Bozeman to Baltimore flights
Kalispell to Baltimore flights
Bozeman to Boston flights
Bozeman to Reagan-National flights
Missoula to Dallas/Fort Worth flights
Kalispell to Minneapolis flights
Bozeman to George Bush Intcntl flights
Missoula to San Diego flights
Missoula to Portland flights
Kalispell to Denver flights
Bozeman to Portland flights
Missoula to Austin flights
Billings to Tampa flights
Kalispell to George Bush Intcntl flights
Billings to Portland flights

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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$374FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$282Average$449FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$321Average$656FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.