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Cheap flights from Billings to Idaho from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Idaho departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Billings to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:02 pm - 9:28 pmBIL-GEG
8h 26m1 stop
Alaska Airlines Logo
8:47 pm - 12:08 amGEG-BIL
26h 21m1 stop
$224Alaska Airlines
Find Deal
Mon, Dec 8 - Tue, Dec 16
Delta Logo
5:14 am - 12:29 pmBIL-GEG
8h 15m2 stops
Delta Logo
1:10 pm - 12:23 amGEG-BIL
10h 13m2 stops
$226Delta
Find Deal
Mon, Dec 8 - Tue, Dec 16
Alaska Airlines Logo
7:00 am - 12:44 pmBIL-GEG
6h 44m1 stop
Alaska Airlines Logo
6:29 pm - 11:36 pmGEG-BIL
4h 07m1 stop
$233Alaska Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
Delta Logo
5:15 am - 12:37 pmBIL-GEG
8h 22m2 stops
Delta Logo
9:20 am - 5:30 pmGEG-BIL
7h 10m2 stops
$236Delta
Find Deal
Thu, Jan 29 - Wed, Feb 4
Hawaiian Airlines Logo
6:00 am - 3:26 pmBIL-BOI
9h 26m1 stop
Hawaiian Airlines Logo
5:59 pm - 12:08 amBOI-BIL
6h 09m1 stop
$245Hawaiian Airlines
Find Deal
Mon, Dec 8 - Wed, Dec 17
Alaska Airlines Logo
2:02 pm - 11:04 pmBIL-GEG
10h 02m1 stop
Alaska Airlines Logo
12:10 pm - 11:36 pmGEG-BIL
10h 26m1 stop
$245Alaska Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4
Delta Logo
5:15 am - 12:37 pmBIL-GEG
8h 22m2 stops
Delta Logo
7:10 am - 5:30 pmGEG-BIL
9h 20m2 stops
$246Delta
Find Deal
Thu, Jan 29 - Wed, Feb 4
Delta Logo
5:14 am - 1:14 pmBIL-BOI
8h 00m2 stops
Delta Logo
1:54 pm - 12:23 amBOI-BIL
10h 29m2 stops
$246Delta
Find Deal
Mon, Dec 8 - Wed, Dec 17
Alaska Airlines Logo
2:04 pm - 10:40 pmBIL-BOI
8h 36m1 stop
Alaska Airlines Logo
8:30 am - 2:52 pmBOI-BIL
6h 22m1 stop
$253Alaska Airlines
Find Deal
Sun, Feb 15 - Sat, Feb 21
Alaska Airlines Logo
7:00 am - 12:44 pmBIL-GEG
6h 44m1 stop
Alaska Airlines Logo
12:32 pm - 11:36 pmGEG-BIL
10h 04m2 stops
$259Alaska Airlines
Find Deal
Thu, Jan 29 - Wed, Feb 4

Alaska Airlines flights from Billings to Idaho

Our best Alaska Airlines deals on Billings to Idaho flight tickets
Alaska Airlines
Dec 8
BIL2:02 pmBillings Logan Intl
8h 26m
1 stop
GEG9:28 pmSpokane
Dec 16
GEG8:47 pmSpokane
26h 21m
1 stop
BIL12:08 amBillings Logan Intl
$224
Find similar
Alaska Airlines
Jan 29
BIL7:00 amBillings Logan Intl
6h 44m
1 stop
GEG12:44 pmSpokane
Feb 4
GEG6:29 pmSpokane
4h 07m
1 stop
BIL11:36 pmBillings Logan Intl
$233
Find similar
Alaska Airlines
Jan 29
BIL7:00 amBillings Logan Intl
11h 06m
1 stop
GEG5:06 pmSpokane
Feb 4
GEG12:10 pmSpokane
10h 26m
1 stop
BIL11:36 pmBillings Logan Intl
$235
Find similar

Delta flights from Billings to Idaho

Our best Delta deals on Billings to Idaho flight tickets
Delta
Dec 8
BIL5:14 amBillings Logan Intl
8h 15m
2 stops
GEG12:29 pmSpokane
Dec 16
GEG1:10 pmSpokane
10h 13m
2 stops
BIL12:23 amBillings Logan Intl
$226
Find similar
Delta
Jan 29
BIL11:47 amBillings Logan Intl
8h 00m
2 stops
GEG6:47 pmSpokane
Feb 4
GEG6:05 amSpokane
10h 25m
2 stops
BIL5:30 pmBillings Logan Intl
$236
Find similar
Delta
Dec 8
BIL5:14 amBillings Logan Intl
8h 00m
2 stops
BOI1:14 pmBoise Air Term. Gowen Fld
Dec 17
BOI1:54 pmBoise Air Term. Gowen Fld
10h 29m
2 stops
BIL12:23 amBillings Logan Intl
$246
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 12, 2025.
Use the filters below to find and compare flights from Billings to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Mon 12/8

2:02 pm-9:28 pm

1 stop8h 26m

Spokane

Tue 12/16

8:47 pm-12:08 am

1 stop26h 21m

$224

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Mon 12/8

5:14 am-12:29 pm

2 stops8h 15m

Spokane

Tue 12/16

1:10 pm-12:23 am

2 stops10h 13m

$226

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 1/29

7:00 am-12:44 pm

1 stop6h 44m

Spokane

Wed 2/4

6:29 pm-11:36 pm

1 stop4h 07m

$233

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 1/29

5:15 am-12:37 pm

2 stops8h 22m

Spokane

Wed 2/4

9:20 am-5:30 pm

2 stops7h 10m

$236

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Mon 12/8

6:00 am-3:26 pm

1 stop9h 26m

Boise Air Term. Gowen Fld

Wed 12/17

5:59 pm-12:08 am

1 stop6h 09m

$245

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 1/29

2:02 pm-11:04 pm

1 stop10h 02m

Spokane

Wed 2/4

12:10 pm-11:36 pm

1 stop10h 26m

$245

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 1/29

5:15 am-12:37 pm

2 stops8h 22m

Spokane

Wed 2/4

7:10 am-5:30 pm

2 stops9h 20m

$246

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Mon 12/8

5:14 am-1:14 pm

2 stops8h 00m

Boise Air Term. Gowen Fld

Wed 12/17

1:54 pm-12:23 am

2 stops10h 29m

$246

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Sun 2/15

2:04 pm-10:40 pm

1 stop8h 36m

Boise Air Term. Gowen Fld

Sat 2/21

8:30 am-2:52 pm

1 stop6h 22m

$253

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 1/29

7:00 am-12:44 pm

1 stop6h 44m

Spokane

Wed 2/4

12:32 pm-11:36 pm

2 stops10h 04m

$259

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from Billings to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $327. On the other hand, Monday is the most expensive day to depart from Billings because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $543.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the morning. momondo users have found flights departing from Billings to Idaho in the morning for as low as $398. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $717 per ticket.

Cheap Billings to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to Idaho

Direct flights

None
There are no direct flights from Billings to Idaho. There are no popular flight routes from Billings to Idaho.
Search flight deals

  • When did momondo last update prices for flights from Billings Logan Intl Airport to Idaho?

    Prices for flights from Billings Logan Intl Airport to Idaho are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to Idaho?

  • How old do you have to be to fly from Billings Logan Intl Airport to Idaho?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Billings Logan Intl Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Billings to Idaho

Compare and see reviews for airlines that fly from Billings to Idaho with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $228Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Alaska AirlinesPriceFrom $282Free CancellationRating
8.0
11,275 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $331Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Billings to Idaho?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho from Billings.

Can I find flights from Billings to Idaho with flexible booking policies on momondo?

momondo does allow users to show only those flights to Idaho from Billings which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Billings to Idaho?

momondo helps you find the best flight between Billings and Idaho by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Billings to Idaho right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Billings and alert you when they change.

An easier way to manage your Idaho trip

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