What is the cheapest airline that flies from North America to Idaho?

Frontier, Alaska Airlines, and Delta are the most popular carriers operating from North America to Idaho

How many flights depart from North America to Idaho on average per day?

As of October 2025, there are 190 flights per day flying from North America to Idaho. The most common time of day flights depart is 7:00PM, with 41% of flights taking off in the evening.

How many flights depart from North America to Idaho on average per week?

1,335 flights are operational weekly from North America to Idaho as of October 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What airlines fly to Idaho?

United Airlines, Delta and Alaska Airlines are the top three most popular airlines that fly to Idaho from North America according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 8 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from North America to Idaho?

Prices for flights from North America to Idaho refresh daily.

How many operators does momondo search for flights from North America to Idaho?

There are 9 operators available for flights from North America to Idaho as of October 2025.

How old do you have to be to fly from North America to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North America to Idaho.

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

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$28 Cheap Flights from North America to Idaho in 2025/26

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 North America to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:57 am - 11:28 amDEN-GEG

2h 31mnonstop

12:23 pm - 4:05 pmGEG-DEN

2h 42mnonstop

$108Frontier

Find Deal

jue., dic. 4 - jue., dic. 11

9:57 am - 11:28 amDEN-GEG

2h 31mnonstop

12:23 pm - 4:05 pmGEG-DEN

2h 42mnonstop

$115Frontier

Find Deal

jue., dic. 4 - dom., dic. 14

7:45 am - 10:20 amSEA-BOI

1h 35mnonstop

3:40 pm - 4:30 pmBOI-SEA

1h 50mnonstop

$127Delta

Find Deal

sáb., dic. 27 - mié., dic. 31

7:59 pm - 10:26 pmSEA-BOI

1h 27mnonstop

6:00 pm - 6:46 pmBOI-SEA

1h 46mnonstop

$128Alaska Airlines

Find Deal

vie., dic. 19 - jue., dic. 25

9:17 pm - 11:39 pmSEA-BOI

1h 22mnonstop

6:09 am - 7:01 amBOI-SEA

1h 52mnonstop

$130Alaska Airlines

Find Deal

mar., nov. 25 - dom., nov. 30

8:30 am - 11:02 amSEA-BOI

1h 32mnonstop

5:20 am - 6:18 amBOI-SEA

1h 58mnonstop

$137Delta

Find Deal

jue., nov. 27 - sáb., nov. 29

9:56 am - 12:32 pmPHX-BOI

2h 36mnonstop

2:09 pm - 4:30 pmBOI-PHX

2h 21mnonstop

$152American Airlines

Find Deal

mar., dic. 9 - mar., dic. 9

9:56 am - 12:32 pmPHX-BOI

2h 36mnonstop

5:25 pm - 7:41 pmBOI-PHX

2h 16mnonstop

$178American Airlines

Find Deal

sáb., dic. 6 - lun., dic. 8

5:20 pm - 11:28 pmSEA-BOI

5h 08m1 stop

7:00 pm - 12:59 amBOI-SEA

6h 59m1 stop

$213United Airlines

Find Deal

vie., nov. 7 - sáb., nov. 8

11:27 am - 1:25 pmDEN-BOI

1h 58mnonstop

5:17 pm - 7:24 pmBOI-DEN

2h 07mnonstop

$221United Airlines

Find Deal

mar., nov. 11 - mar., nov. 18

Delta flights from North America to Idaho

Our best Delta deals on North America to Idaho flight tickets

Delta

Dec 27

SEA7:45 amSeattle/Tacoma Intl

1h 35m

BOI10:20 amBoise Air Term. Gowen Fld

Dec 31

BOI3:40 pmBoise Air Term. Gowen Fld

1h 50m

SEA4:30 pmSeattle/Tacoma Intl

$127

Find similar

Delta

Nov 27

SEA8:30 amSeattle/Tacoma Intl

1h 32m

BOI11:02 amBoise Air Term. Gowen Fld

Nov 29

BOI5:20 amBoise Air Term. Gowen Fld

1h 58m

SEA6:18 amSeattle/Tacoma Intl

$137

Find similar

Delta

Nov 3

SEA10:40 amSeattle/Tacoma Intl

1h 40m

BOI1:20 pmBoise Air Term. Gowen Fld

Nov 7

BOI9:00 amBoise Air Term. Gowen Fld

1h 53m

SEA9:53 amSeattle/Tacoma Intl

$139

Find similar

Alaska Airlines flights from North America to Idaho

Our best Alaska Airlines deals on North America to Idaho flight tickets

Alaska Airlines

Dec 19

SEA7:59 pmSeattle/Tacoma Intl

1h 27m

BOI10:26 pmBoise Air Term. Gowen Fld

Dec 25

BOI6:00 pmBoise Air Term. Gowen Fld

1h 46m

SEA6:46 pmSeattle/Tacoma Intl

$128

Find similar

Alaska Airlines

Nov 25

SEA9:17 pmSeattle/Tacoma Intl

1h 22m

BOI11:39 pmBoise Air Term. Gowen Fld

Nov 30

BOI6:09 amBoise Air Term. Gowen Fld

1h 52m

SEA7:01 amSeattle/Tacoma Intl

$130

Find similar

Alaska Airlines

Nov 6

SEA9:30 pmSeattle/Tacoma Intl

1h 24m

BOI11:54 pmBoise Air Term. Gowen Fld

Nov 9

BOI5:54 amBoise Air Term. Gowen Fld

3h 45m

1 stop

SEA8:39 amSeattle/Tacoma Intl

$132

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DenverSpokane

DEN - GEG

DENGEG

Denver Intl

jue. 12/4

9:57 am-11:28 am

Nonstop2h 31m

Spokane

jue. 12/11

12:23 pm-4:05 pm

Nonstop2h 42m

$108

DenverSpokane

DEN - GEG

DENGEG

Denver Intl

jue. 12/4

9:57 am-11:28 am

Nonstop2h 31m

Spokane

dom. 12/14

12:23 pm-4:05 pm

Nonstop2h 42m

$115

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

sáb. 12/27

7:45 am-10:20 am

Nonstop1h 35m

Boise Air Term. Gowen Fld

mié. 12/31

3:40 pm-4:30 pm

Nonstop1h 50m

$127

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

vie. 12/19

7:59 pm-10:26 pm

Nonstop1h 27m

Boise Air Term. Gowen Fld

jue. 12/25

6:00 pm-6:46 pm

Nonstop1h 46m

$128

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

mar. 11/25

9:17 pm-11:39 pm

Nonstop1h 22m

Boise Air Term. Gowen Fld

dom. 11/30

6:09 am-7:01 am

Nonstop1h 52m

$130

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

jue. 11/27

8:30 am-11:02 am

Nonstop1h 32m

Boise Air Term. Gowen Fld

sáb. 11/29

5:20 am-6:18 am

Nonstop1h 58m

$137

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

mar. 12/9

9:56 am-12:32 pm

Nonstop2h 36m

Boise Air Term. Gowen Fld

mar. 12/9

2:09 pm-4:30 pm

Nonstop2h 21m

$152

PhoenixBoise

PHX - BOI

PHXBOI

Phoenix Sky Harbor Intl

sáb. 12/6

9:56 am-12:32 pm

Nonstop2h 36m

Boise Air Term. Gowen Fld

lun. 12/8

5:25 pm-7:41 pm

Nonstop2h 16m

$178

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

vie. 11/7

5:20 pm-11:28 pm

1 stop5h 08m

Boise Air Term. Gowen Fld

sáb. 11/8

7:00 pm-12:59 am

1 stop6h 59m

$213

DenverBoise

DEN - BOI

DENBOI

Denver Intl

mar. 11/11

11:27 am-1:25 pm

Nonstop1h 58m

Boise Air Term. Gowen Fld

mar. 11/18

5:17 pm-7:24 pm

Nonstop2h 07m

$221

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 North America 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

Other information

What is the cheapest month to fly to Idaho?

In general, January is the cheapest month to fly from North America to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $338. If you don’t want to visit Idaho in January, then you should wait until May to fly from North America, when ticket prices are also cheap, with an average price of $368.

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 $270. On the other hand, Sunday is the most expensive day to depart from North America because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $360.

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 at noon. momondo users have found flights departing from North America to Idaho at noon for as low as $177. 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 Idaho, so prices are often more expensive at around $297 per ticket.

What is the cheapest North America to Idaho flight route?

Fly from Las Vegas Harry Reid Intl to Boise Air Term. Gowen Fld for the best North America - Idaho flight prices

What cabin class options are available on North America to Idaho flights?

There are 4 cabin classes available to choose from on North America to Idaho flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on North America to Idaho flights?

No. A direct flight is the cheapest option for a flight between North America to Idaho.

Cheap North America to Idaho flight deals and tips

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

Best Price Found	$78
Fastest flight time	0h 57m
Direct flights	Every day
Airports in Idaho	2 airports

The best one-way flight to Idaho from North America in the past 72 hours is $78. The best round-trip flight deal from North America to Idaho found on momondo in the last 72 hours is $75.

The fastest flight from North America to Idaho takes 0h 57m

Direct flights go from North America to Idaho every day.

There are 2 airports near Idaho: Spokane (GEG), Boise Air Term. Gowen Fld (BOI)

Search flight deals

When did momondo last update prices for flights from North America to Idaho?
Prices for flights from North America to Idaho refresh daily.
How many operators does momondo search for flights from North America to Idaho?
There are 9 operators available for flights from North America to Idaho as of October 2025.
How old do you have to be to fly from North America to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North America to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from North America to Idaho?
momondo data reveals that the most frequently booked plane model on the route from North America to Idaho is Embraer 175, representing 31.24% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 12.77%, Boeing 737-800 Passenger/BBJ2 (winglets) at 7.40%, and Airbus A320-100/200 at 6.10%.

Best airlines flying from North America to Idaho

Compare and see reviews for airlines that fly from North America to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $46	Free Cancellation	Rating 6.3 8,096 reviews	Search Spirit Airlines flights
Alaska Airlines	PriceFrom $50	Free Cancellation	Rating 8.0 11,079 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $68	Free Cancellation	Rating 7.8 2,779 reviews	Search Hawaiian Airlines flights
Allegiant Air	PriceFrom $75	Free Cancellation	Rating 7.2 693 reviews	Search Allegiant Air flights
Delta	PriceFrom $108	Free Cancellation	Rating 7.9 7,975 reviews	Search Delta flights
Southwest	PriceFrom $138	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
United Airlines	PriceFrom $140	Free Cancellation	Rating 7.4 8,976 reviews	Search United Airlines flights
American Airlines	PriceFrom $218	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights

Why use momondo?

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

It is quick and easy to find North America to Idaho flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho that suits you.

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

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

How can momondo help me find flights from North America to Idaho?

Once you have performed a search for North America to Idaho flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Idaho from North America are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.