What is the cheapest airline that flies from Billings Logan Intl to Idaho?

Delta, Allegiant Air, and United Airlines are the most popular carriers operating from Billings Logan Intl to Idaho

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?

As of June 2026, there are 2 operators available to choose from 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.

$178 Cheap Flights from Billings to Idaho in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Billings to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:57 pm - 5:50 pm

BIL

BOI

4h 53m

1 stop

6:40 pm - 10:24 pm

BOI

BIL

3h 44m

1 stop

$337Delta

Tue, Sep 15 - Tue, Sep 22

6:40 pm - 11:59 pm

BIL

GEG

6h 19m

1 stop

5:20 am - 11:09 am

GEG

BIL

4h 49m

1 stop

$355Delta

Wed, Jul 1 - Wed, Jul 8

5:20 am - 9:29 am

BIL

BOI

4h 09m

1 stop

6:42 pm - 10:50 pm

BOI

BIL

4h 08m

1 stop

$355Delta

Wed, Jul 15 - Wed, Jul 22

6:14 am - 11:36 am

BIL

GEG

6h 22m

1 stop

5:52 am - 11:38 am

GEG

BIL

4h 46m

1 stop

$366Alaska Airlines

Thu, Sep 24 - Sat, Sep 26

5:20 am - 9:29 am

BIL

BOI

4h 09m

1 stop

6:42 pm - 10:50 pm

BOI

BIL

4h 08m

1 stop

$375Delta

Wed, Jul 15 - Thu, Jul 23

6:14 am - 12:35 pm

BIL

BOI

6h 21m

1 stop

1:31 pm - 11:29 pm

BOI

BIL

9h 58m

2 stops

$380Alaska Airlines

Tue, Sep 15 - Tue, Sep 22

6:14 am - 12:35 pm

BIL

BOI

6h 21m

1 stop

1:31 pm - 11:29 pm

BOI

BIL

9h 58m

2 stops

$389Alaska Airlines

Tue, Sep 15 - Tue, Sep 22

5:20 am - 9:07 am

BIL

GEG

4h 47m

1 stop

5:10 pm - 10:50 pm

GEG

BIL

4h 40m

1 stop

$395Delta

Fri, Jul 10 - Thu, Jul 16

5:20 am - 9:29 am

BIL

BOI

4h 09m

1 stop

1:05 pm - 5:52 pm

BOI

BIL

4h 47m

1 stop

$395Delta

Thu, Jul 16 - Mon, Jul 20

5:20 am - 9:07 am

BIL

GEG

4h 47m

1 stop

5:10 pm - 10:50 pm

GEG

BIL

4h 40m

1 stop

$399Delta

Thu, Jul 2 - Tue, Jul 7

Delta flights from Billings to Idaho

Our best Delta deals on Billings to Idaho flight tickets

Delta

Sep 15

BIL12:57 pmBillings Logan Intl

4h 53m

1 stop

BOI5:50 pmBoise Air Term. Gowen Fld

Sep 22

BOI6:40 pmBoise Air Term. Gowen Fld

3h 44m

1 stop

BIL10:24 pmBillings Logan Intl

$337

Delta

Jul 15

BIL5:20 amBillings Logan Intl

4h 09m

1 stop

BOI9:29 amBoise Air Term. Gowen Fld

Jul 22

BOI6:42 pmBoise Air Term. Gowen Fld

4h 08m

1 stop

BIL10:50 pmBillings Logan Intl

$355

Delta

Jul 15

BIL5:20 amBillings Logan Intl

4h 09m

1 stop

BOI9:29 amBoise Air Term. Gowen Fld

Jul 23

BOI6:42 pmBoise Air Term. Gowen Fld

4h 08m

1 stop

BIL10:50 pmBillings Logan Intl

$375

Alaska Airlines flights from Billings to Idaho

Our best Alaska Airlines deals on Billings to Idaho flight tickets

Alaska Airlines

Sep 24

BIL6:14 amBillings Logan Intl

6h 22m

1 stop

GEG11:36 amSpokane

Sep 26

GEG5:52 amSpokane

4h 46m

1 stop

BIL11:38 amBillings Logan Intl

$366

Alaska Airlines

Sep 15

BIL6:14 amBillings Logan Intl

6h 21m

1 stop

BOI12:35 pmBoise Air Term. Gowen Fld

Sep 22

BOI1:31 pmBoise Air Term. Gowen Fld

9h 58m

2 stops

BIL11:29 pmBillings Logan Intl

$380

Alaska Airlines

Sep 15

BIL6:14 amBillings Logan Intl

6h 21m

1 stop

BOI12:35 pmBoise Air Term. Gowen Fld

Sep 22

BOI1:31 pmBoise Air Term. Gowen Fld

9h 58m

2 stops

BIL11:29 pmBillings Logan Intl

$389

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 9/15

12:57 pm-5:50 pm

1 stop4h 53m

Boise Air Term. Gowen Fld

Tue 9/22

6:40 pm-10:24 pm

1 stop3h 44m

$337

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Wed 7/1

6:40 pm-11:59 pm

1 stop6h 19m

Spokane

Wed 7/8

5:20 am-11:09 am

1 stop4h 49m

$355

Quickest round-trip

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Wed 7/15

5:20 am-9:29 am

1 stop4h 09m

Boise Air Term. Gowen Fld

Wed 7/22

6:42 pm-10:50 pm

1 stop4h 08m

$355

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 9/24

6:14 am-11:36 am

1 stop6h 22m

Spokane

Sat 9/26

5:52 am-11:38 am

1 stop4h 46m

$366

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Wed 7/15

5:20 am-9:29 am

1 stop4h 09m

Boise Air Term. Gowen Fld

Thu 7/23

6:42 pm-10:50 pm

1 stop4h 08m

$375

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 9/15

6:14 am-12:35 pm

1 stop6h 21m

Boise Air Term. Gowen Fld

Tue 9/22

1:31 pm-11:29 pm

2 stops9h 58m

$380

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Tue 9/15

6:14 am-12:35 pm

1 stop6h 21m

Boise Air Term. Gowen Fld

Tue 9/22

1:31 pm-11:29 pm

2 stops9h 58m

$389

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Fri 7/10

5:20 am-9:07 am

1 stop4h 47m

Spokane

Thu 7/16

5:10 pm-10:50 pm

1 stop4h 40m

$395

BillingsBoise

BIL - BOI

BILBOI

Billings Logan Intl

Thu 7/16

5:20 am-9:29 am

1 stop4h 09m

Boise Air Term. Gowen Fld

Mon 7/20

1:05 pm-5:52 pm

1 stop4h 47m

$395

BillingsSpokane

BIL - GEG

BILGEG

Billings Logan Intl

Thu 7/2

5:20 am-9:07 am

1 stop4h 47m

Spokane

Tue 7/7

5:10 pm-10:50 pm

1 stop4h 40m

$399

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Idaho?

In general, January is the cheapest month to fly from Billings to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Idaho in January, then you should wait until March to fly from Billings, when ticket prices are also cheap, with an average price of $148.

Cheap Billings to Idaho flight deals and tips

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

Fastest flight time	4h 28m
Direct flights	None

The fastest flight from Billings to Idaho takes 4h 28m

There are no direct flights from Billings to Idaho. There are no popular flight routes from Billings to Idaho.

Search flight deals

Frequently asked questions about flying from Billings to Idaho

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?
As of June 2026, there are 2 operators available to choose from 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
Delta	PriceFrom $168	Free Cancellation	Rating 7.9 8,397 reviews		Search Delta flights
Alaska Airlines	PriceFrom $253	Free Cancellation	Rating 7.9 12,458 reviews		Search Alaska 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.