BOI - BIL

$213 Find Cheap Flights from Boise to Billings - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$374
Typical prices: $374-$554
Alaska Airlines
Wed 10/17Thu 10/18
BOI - BIL • 1 stop
Cheapest one-way
$213
Typical prices: $215-$413
Delta
Mon 10/15
BOI - BIL • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boise and Billings. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 8% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $431 (round-trip)
Salt Lake City (SLC)
Shortest trip • 4h 39m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Boise to Billings (BOI-BIL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to Billings

Sat, Oct 17 - Sun, Oct 18
Alaska Airlines Logo
6:43 am - 11:25 amBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
4h 42m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:41 am - 12:35 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 54m1 stop Seattle/Tacoma Intl
$374Alaska Airlines
Tue, Dec 8 - Thu, Dec 10
Delta Logo
1:17 pm - 5:41 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
4h 24m1 stop Salt Lake City
Delta Logo
1:00 pm - 5:53 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 53m1 stop Salt Lake City
$385Delta
Thu, Nov 19 - Wed, Dec 2
United Airlines Logo
5:00 am - 9:45 amBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
4h 45m1 stop Denver Intl
United Airlines Logo
4:04 pm - 9:52 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
5h 48m1 stop Denver Intl
$385United Airlines
Wed, Nov 18 - Wed, Dec 2
United Airlines Logo
5:44 pm - 10:30 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
4h 46m1 stop Denver Intl
United Airlines Logo
4:04 pm - 9:52 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
5h 48m1 stop Denver Intl
$385United Airlines
Tue, Nov 17 - Tue, Dec 1
Alaska Airlines Logo
9:03 am - 2:52 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
5h 49m1 stop Portland
Alaska Airlines Logo
3:44 pm - 7:44 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 00m1 stop Portland
$395Alaska Airlines
Tue, Nov 17 - Wed, Dec 2
Alaska Airlines Logo
9:03 am - 2:52 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
5h 49m1 stop Portland
Alaska Airlines Logo
3:44 pm - 7:44 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 00m1 stop Portland
$395Alaska Airlines
Wed, Nov 18 - Tue, Dec 1
Alaska Airlines Logo
9:03 am - 2:52 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
5h 49m1 stop Portland
Alaska Airlines Logo
3:44 pm - 7:44 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 00m1 stop Portland
$395Alaska Airlines
Wed, Nov 18 - Thu, Dec 3
Delta Logo
6:45 pm - 10:20 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
3h 35m1 stop Salt Lake City
Delta Logo
5:40 am - 10:44 amBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
5h 04m1 stop Salt Lake City
$405Delta
Thu, Nov 19 - Wed, Dec 2
United Airlines Logo
5:00 am - 9:45 amBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
4h 45m1 stop Denver Intl
United Airlines Logo
4:04 pm - 9:52 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
5h 48m1 stop Denver Intl
$405United Airlines
Tue, Nov 17 - Thu, Dec 3
Delta Logo
6:45 pm - 10:20 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
3h 35m1 stop Salt Lake City
Delta Logo
5:40 am - 10:44 amBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
5h 04m1 stop Salt Lake City
$405Delta
Booking Insights

Price, demand and travel trends for Boise to Billings flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boise to Billings with more confidence.

How much is a round-trip flight from Boise to Billings?

Round-trip flights from Boise to Billings start at $374. Prices are below average for this route right now, with typical round-trip fares ranging from $374 to $554. The lowest price found in the past 5 days was $374 on Alaska Airlines.

What's the cheapest day of the week to fly from Boise to Billings?

Tuesday is the cheapest day of the week to fly from Boise to Billings, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 38% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Boise to Billings flights

Low season

July

Cheapest flight

$213
Most popular time to fly with an average 18% increase in price.
Flight from Boise to Billings

When to book flights from Boise to Billings

Are your dates flexible? Find out the best times to travel from Boise to Billings based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boise to Billings flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Boise to Billings?

    Flights from Boise to Billings usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Billings Logan Intl (BIL).

  • What cabin classes can I book on flights from Boise to Billings?

    Two cabin classes are available on flights from Boise to Billings:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Boise to Billings pass through?

    One-stop flights from Boise to Billings most commonly connect through:

    • Salt Lake City (SLC) - 53% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 27% of one-stop connections
    • Denver Intl (DEN) - 20% of one-stop connections

    Salt Lake City (SLC) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boise to Billings?

    Yes. Being flexible with your travel dates can save you up to 35% on the Boise to Billings route. Tuesday is the cheapest departure day at $409 round-trip on average, while Sunday is the most expensive at $621, a difference of $212. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Boise to Billings?

    A nonstop flight from Boise to Billings takes 0h 00m, covering 407 miles.

  • Do I need a passport to fly from Boise to Billings?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Boise to Billings changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $374 to $986. That means the highest observed fare was about 3x higher than the lowest one.

  • How are flight prices from Boise to Billings looking right now?

    One-way fares from Boise to Billings are currently higher than usual. Average one-way flight prices are about $469, which is 42% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Boise to Billings?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 4h 39m, compared with 5h 15m via Seattle/Tacoma Intl (SEA) and 5h 28m via Denver Intl (DEN).

  • What car rental options are available at Billings Logan Intl Airport (BIL)?

    Billings Logan Intl Airport (BIL) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
    • Rent-A-Wreck
    • Budget
    • Avis
    • Alamo
    • Hertz

  • How much should I expect to pay for a Boise to Billings flight?

    Round-trip flights from Boise to Billings range from $374 to $554, with an average of $450 over the past 12 months. Anything below $374 counts as a good deal.

Your guide to booking Boise to Billings flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $409 - about $212 less than Sunday (34% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boise to Billings trip for October. Fares historically average $416 round-trip in that month - typically $205 less than the most expensive month, which is August (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Billings Logan Intl Airport.
    - Hilltop Inn by Riversage

More options for your flight from Boise to Billings

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