BOI - BIL

$223 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
$405
Typical prices: $387-$621
Alaska Airlines
Sun 11/25Sun 12/2
BOI - BIL • 1 stop
Cheapest one-way
$223
Typical prices: $265-$417
Alaska Airlines
Tue 12/18
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
September
Cheapest • 19% 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 34m (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

Wed, Nov 25 - Wed, Dec 2
Alaska Airlines Logo
2:00 pm - 11:58 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
9h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:01 am - 12:21 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
5h 20m1 stop Seattle/Tacoma Intl
$405Alaska Airlines
Wed, Nov 25 - Wed, Dec 2
Alaska Airlines Logo
2:00 pm - 11:58 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
9h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:32 pm - 11:59 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
8h 27m2 stops Portland Seattle/Tacoma Intl
$424Alaska Airlines
Tue, Dec 8 - Sat, Dec 12
Alaska Airlines Logo
6:00 pm - 10:58 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
4h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:32 pm - 11:59 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
8h 27m2 stops Portland Seattle/Tacoma Intl
$424Alaska Airlines
Fri, Dec 11 - Wed, Dec 16
Alaska Airlines Logo
7:45 pm - 11:24 amBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
15h 39m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:01 am - 12:21 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
5h 20m1 stop Seattle/Tacoma Intl
$424Alaska Airlines
Tue, Dec 22 - Mon, Dec 28
Delta Logo
6:35 pm - 10:55 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
4h 20m1 stop Salt Lake City
Delta Logo
5:20 am - 9:52 amBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 32m1 stop Salt Lake City
$462Delta
Wed, Dec 23 - Mon, Dec 28
Allegiant Air Logo
9:19 pm - 4:04 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
18h 45m1 stop Phoenix-Mesa Gateway
Allegiant Air Logo
4:58 pm - 8:15 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
27h 17m1 stop Phoenix-Mesa Gateway
$558Allegiant Air
Sun, Nov 22 - Sun, Dec 27
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
5:20 am - 9:52 amBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 32m1 stop Salt Lake City
$572Delta
Fri, Nov 13 - Tue, Nov 17
United Airlines Logo
6:30 am - 1:29 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
6h 59m1 stop Denver Intl
United Airlines Logo
5:00 am - 9:52 amBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 52m1 stop Denver Intl
$625United Airlines
Mon, Nov 9 - Fri, Nov 13
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
5:55 pm - 10:59 pmBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
5h 04m1 stop Denver Intl
$625United Airlines
Tue, Dec 22 - Mon, Dec 28
Delta Logo
6:35 pm - 10:55 pmBOI  Boise Air Term. Gowen Fld-BIL Billings Logan Intl
4h 20m1 stop Salt Lake City
Delta Logo
5:20 am - 9:52 amBIL  Billings Logan Intl-BOI Boise Air Term. Gowen Fld
4h 32m1 stop Salt Lake City
$679Delta
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 with more confidence.

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

Round-trip flights from Boise to Billings typically range from $387 to $621. The lowest price found in the past 5 days was $405, on Alaska Airlines.

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Key details for Boise to Billings flights

Low season

January

Cheapest flight

$223
Beat the crowds with an average 66% drop in travelers.
The most popular month to fly with an average 29% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

  • How long is a flight from Boise to Billings?

    A nonstop flight from Boise to Billings takes 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.

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

    Round-trip flights from Boise to Billings range from $387 to $621, with an average of $461 over the past 12 months. Anything below $387 counts as a good deal.

  • 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 $405 to $1,097. 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 in line with typical prices for this route. Average one-way fares are about $312.

  • 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 averaging $92 for economy cars. Top options include:

    • Rent-A-Wreck
    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car

  • 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).

  • 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) - 52% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 32% of one-stop connections
    • Denver Intl (DEN) - 16% of one-stop connections

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

    Yes. Flexible dates can save you up to 56% on flights from Boise to Billings. Tuesday is the cheapest departure day at $409 round-trip on average, while Sunday is the most expensive at $913, a difference of $504.

    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 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 34m, compared with 5h 15m via Seattle/Tacoma Intl (SEA) and 5h 49m via Denver Intl (DEN).

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 are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $409, about $504 less than Sunday fares (55% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Boise to Billings trip for September. Fares historically average $373 round-trip in that month - typically $260 less than the most expensive month, which is October (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

Complete your trip to Billings with a hotel stay or car rental

Car rentals in Billings
Hotels in Billings
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