$157 Find Cheap Flights from Billings to Idaho - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Billings to Idaho departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Billings to Idaho

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boise
Boise1 stop$323
Spokane
Spokane1 stop$363
Boise
Boise1 stop$323
Spokane
Spokane1 stop$363

Book Cheap Billings to Idaho Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Billings to Idaho that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Billings to Idaho

Tue, Sep 15 - Tue, Sep 22
Alaska Airlines Logo
7:29 pm - 9:56 am
BIL
-
BOI
14h 27m
1 stop
Alaska Airlines Logo
6:23 am - 11:29 pm
BOI
-
BIL
17h 06m
1 stop
$323Alaska Airlines
Thu, Sep 17 - Thu, Sep 24
Alaska Airlines Logo
7:29 pm - 8:25 pm
BIL
-
BOI
24h 56m
1 stop
Alaska Airlines Logo
1:15 pm - 11:29 pm
BOI
-
BIL
10h 14m
1 stop
$363Alaska Airlines
Thu, Sep 17 - Thu, Sep 24
Alaska Airlines Logo
7:29 pm - 8:25 pm
BIL
-
BOI
24h 56m
1 stop
Alaska Airlines Logo
4:20 pm - 11:29 pm
BOI
-
BIL
7h 09m
1 stop
$363Alaska Airlines
Thu, Sep 17 - Thu, Sep 24
Alaska Airlines Logo
7:29 pm - 12:35 pm
BIL
-
BOI
17h 06m
1 stop
Alaska Airlines Logo
2:16 pm - 11:29 pm
BOI
-
BIL
9h 13m
1 stop
$363Alaska Airlines
Tue, Sep 15 - Tue, Sep 22
Delta Logo
5:20 am - 10:17 am
BIL
-
BOI
4h 57m
1 stop
Delta Logo
6:44 pm - 10:34 pm
BOI
-
BIL
3h 50m
1 stop
$365Delta
Sun, Sep 13 - Tue, Sep 15
United Airlines Logo
5:00 am - 9:35 am
BIL
-
BOI
4h 35m
1 stop
United Airlines Logo
5:00 am - 9:41 am
BOI
-
BIL
4h 41m
1 stop
$375United Airlines
Fri, Sep 4 - Sat, Sep 5
Delta Logo
5:20 am - 9:48 am
BIL
-
BOI
4h 28m
1 stop
Delta Logo
6:44 pm - 10:53 pm
BOI
-
BIL
4h 09m
1 stop
$402Delta
Thu, Sep 17 - Thu, Sep 24
Delta Logo
5:20 am - 10:17 am
BIL
-
BOI
4h 57m
1 stop
Delta Logo
6:44 pm - 10:34 pm
BOI
-
BIL
3h 50m
1 stop
$405Delta
Sun, Aug 30 - Sun, Sep 6
United Airlines Logo
4:40 pm - 10:40 pm
BIL
-
BOI
6h 00m
1 stop
United Airlines Logo
2:44 pm - 10:07 pm
BOI
-
BIL
7h 23m
1 stop
$415United Airlines
Thu, Aug 13 - Sun, Aug 16
United Airlines Logo
5:07 am - 9:35 am
BIL
-
BOI
4h 28m
1 stop
United Airlines Logo
5:44 pm - 10:07 pm
BOI
-
BIL
4h 23m
1 stop
$595United Airlines
Booking Insights

KAYAK's insights & trends for Billings to Idaho flights

Get data-powered insights and trends into flights from Billings to Idaho to help you find the cheapest flights, the best time to fly and much more.

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

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Billings to Idaho departing in September.

Flight prices are below average for this route right now.

Flights to Idaho from Billings usually cost between $394 and $424 in September.
The lowest price found in the past 5 days was $323 on Alaska Airlines (Sep 15-Sep 22).

What is the cheapest month to fly from Billings to Idaho?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Billings to Idaho, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Billings to Idaho is January, when tickets cost $0 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $686 and $524 respectively.

Find deals

Good to know

Low season

March

Cheapest flight

$157
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from Billings to Boise

FAQs - booking Idaho flights

  • How does KAYAK find such low prices on flights from Billings to Idaho?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Billings to Idaho.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Billings to Idaho?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Billings to Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Billings to Idaho?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Billings to Idaho with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Billings to Idaho?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Billings to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Billings to Idaho

Information on your arrival and departure airports

Billings (BIL)