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Cheap flights from Idaho to Billings from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Billings departing on 1/24. 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 Idaho to Billings

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
12:10 pm - 11:36 pm
GEG
-
BIL
10h 26m1 stop
Alaska Airlines Logo
7:00 am - 7:03 pm
BIL
-
GEG
13h 03m1 stop
$245Alaska Airlines
Wed, Jan 7 - Wed, Jan 14
Delta Logo
6:05 am - 5:30 pm
GEG
-
BIL
10h 25m2 stops
Delta Logo
11:47 am - 8:58 pm
BIL
-
GEG
10h 11m2 stops
$246Delta
Wed, Jan 7 - Wed, Jan 14
Alaska Airlines Logo
1:38 pm - 11:36 pm
GEG
-
BIL
8h 58m1 stop
Alaska Airlines Logo
7:00 am - 9:25 pm
BIL
-
GEG
15h 25m1 stop
$254Alaska Airlines
Thu, Jan 29 - Sat, Jan 31
Delta Logo
5:05 am - 5:30 pm
GEG
-
BIL
11h 25m2 stops
Delta Logo
5:15 am - 12:37 pm
BIL
-
GEG
8h 22m2 stops
$256Delta
Thu, Jan 29 - Sat, Jan 31
Delta Logo
9:55 am - 5:30 pm
GEG
-
BIL
6h 35m1 stop
Delta Logo
11:47 am - 10:52 pm
BIL
-
GEG
12h 05m2 stops
$286Delta
Wed, Jan 7 - Wed, Jan 14
Alaska Airlines Logo
5:45 am - 1:22 pm
GEG
-
BIL
6h 37m2 stops
Alaska Airlines Logo
7:00 am - 11:12 am
BIL
-
GEG
5h 12m1 stop
$301Alaska Airlines
Thu, Jan 29 - Sat, Jan 31
Alaska Airlines Logo
5:45 am - 1:22 pm
GEG
-
BIL
6h 37m2 stops
Alaska Airlines Logo
3:35 pm - 11:04 pm
BIL
-
GEG
8h 29m2 stops
$305Alaska Airlines
Thu, Jan 29 - Sat, Jan 31
Alaska Airlines Logo
6:00 pm - 10:43 pm
BOI
-
BIL
4h 43m1 stop
Alaska Airlines Logo
1:55 pm - 8:10 pm
BIL
-
BOI
6h 15m1 stop
$336Alaska Airlines
Wed, Apr 1 - Sun, Apr 5
United Airlines Logo
6:15 am - 1:24 pm
BOI
-
BIL
7h 09m1 stop
United Airlines Logo
6:35 am - 10:30 pm
BIL
-
BOI
15h 55m2 stops
$768United Airlines
Fri, Dec 26 - Tue, Dec 30
United Airlines Logo
2:40 pm - 9:24 pm
BOI
-
BIL
6h 44m1 stop
United Airlines Logo
6:35 am - 10:01 am
BIL
-
BOI
27h 26m1 stop
$836United Airlines
Mon, Dec 22 - Mon, Dec 29

Alaska Airlines flights from Idaho to Billings

Our best Alaska Airlines deals on Idaho to Billings flight tickets
Alaska Airlines
Jan 7
GEG12:10 pmSpokane
10h 26m
1 stop
BIL11:36 pmBillings Logan Intl
Jan 14
BIL7:00 amBillings Logan Intl
13h 03m
1 stop
GEG7:03 pmSpokane
$245
Find similar
Alaska Airlines
Jan 29
GEG7:30 amSpokane
6h 25m
1 stop
BIL2:55 pmBillings Logan Intl
Jan 31
BIL7:00 amBillings Logan Intl
6h 44m
1 stop
GEG12:44 pmSpokane
$254
Find similar
Alaska Airlines
Jan 29
GEG5:45 amSpokane
6h 37m
2 stops
BIL1:22 pmBillings Logan Intl
Jan 31
BIL2:02 pmBillings Logan Intl
4h 47m
1 stop
GEG5:49 pmSpokane
$301
Find similar

Delta flights from Idaho to Billings

Our best Delta deals on Idaho to Billings flight tickets
Delta
Jan 7
GEG6:05 amSpokane
10h 25m
2 stops
BIL5:30 pmBillings Logan Intl
Jan 14
BIL11:47 amBillings Logan Intl
10h 11m
2 stops
GEG8:58 pmSpokane
$246
Find similar
Delta
Jan 7
GEG9:55 amSpokane
6h 35m
1 stop
BIL5:30 pmBillings Logan Intl
Jan 14
BIL11:47 amBillings Logan Intl
12h 05m
2 stops
GEG10:52 pmSpokane
$286
Find similar
Delta
Dec 26
BOI5:50 amBoise Air Term. Gowen Fld
5h 22m
1 stop
BIL11:12 amBillings Logan Intl
Dec 30
BIL5:14 amBillings Logan Intl
4h 54m
1 stop
BOI10:08 amBoise Air Term. Gowen Fld
$471
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Billings 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 December 11, 2025.
Use the filters below to find and compare flights from Idaho to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Wed 1/7

12:10 pm-11:36 pm

1 stop10h 26m

Billings Logan Intl

Wed 1/14

7:00 am-7:03 pm

1 stop13h 03m

$245

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Wed 1/7

6:05 am-5:30 pm

2 stops10h 25m

Billings Logan Intl

Wed 1/14

11:47 am-8:58 pm

2 stops10h 11m

$246

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Thu 1/29

1:38 pm-11:36 pm

1 stop8h 58m

Billings Logan Intl

Sat 1/31

7:00 am-9:25 pm

1 stop15h 25m

$254

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Thu 1/29

5:05 am-5:30 pm

2 stops11h 25m

Billings Logan Intl

Sat 1/31

5:15 am-12:37 pm

2 stops8h 22m

$256

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Wed 1/7

9:55 am-5:30 pm

1 stop6h 35m

Billings Logan Intl

Wed 1/14

11:47 am-10:52 pm

2 stops12h 05m

$286

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Thu 1/29

5:45 am-1:22 pm

2 stops6h 37m

Billings Logan Intl

Sat 1/31

7:00 am-11:12 am

1 stop5h 12m

$301

SpokaneBillings

GEG - BIL

GEGBIL

Spokane

Thu 1/29

5:45 am-1:22 pm

2 stops6h 37m

Billings Logan Intl

Sat 1/31

3:35 pm-11:04 pm

2 stops8h 29m

$305

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Wed 4/1

6:00 pm-10:43 pm

1 stop4h 43m

Billings Logan Intl

Sun 4/5

1:55 pm-8:10 pm

1 stop6h 15m

$336

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Fri 12/26

6:15 am-1:24 pm

1 stop7h 09m

Billings Logan Intl

Tue 12/30

6:35 am-10:30 pm

2 stops15h 55m

$768

BoiseBillings

BOI - BIL

BOIBIL

Boise Air Term. Gowen Fld

Mon 12/22

2:40 pm-9:24 pm

1 stop6h 44m

Billings Logan Intl

Mon 12/29

6:35 am-10:01 am

1 stop27h 26m

$836

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 Billings from

How to get the cheapest flight ticket from Idaho to Billings

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 month to fly to Billings?

The month of August is, on average, the cheapest month to fly to Billings from Idaho, with most prices found around $351. The month of January is another great option to travel to Billings, with average flight prices from Idaho averaging around $359.

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

Our data shows that Friday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $335. Flights from Idaho to Billings on a Monday will generally be more expensive and average around $478. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Billings is in the evening. momondo users have found flights departing from Idaho to Billings in the evening for as low as $316. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Billings, so prices are often more expensive at around $465 per ticket.

Cheap Idaho to Billings flight deals and tips

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

Fastest flight time

4h 11m

Direct flights

None
The fastest flight from Idaho to Billings takes 4h 11m
There are no direct flights from Idaho to Billings. There are no popular flight routes from Idaho to Billings.
Search flight deals

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

    Prices for flights from Idaho to Billings Logan Intl Airport were last updated today.

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

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

    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 Idaho to Billings Logan Intl Airport.

  • What documentation or ID do you need to fly to Billings Logan Intl Airport?

    The travel and health documents you'll need for your trip to Billings Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Billings Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Billings

Compare and see reviews for airlines that fly from Idaho to Billings with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $290Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
DeltaPriceFrom $307Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Alaska AirlinesPriceFrom $326Free CancellationRating
8.0
11,429 reviews
Search Alaska Airlines flights

Traveling to a place near Billings?

Book flights to Billings if you plan to visit one of these locations
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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to Billings for you.

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

Yes. momondo allows you to filter the results for Idaho to Billings flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Idaho and Billings 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 Idaho to Billings right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho to Billings now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Billings and let you know when they change.

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