What airlines fly to Idaho?

United Airlines, Alaska Airlines and Delta are the top three most popular airlines that fly to Idaho from United States according to our data. United Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 11 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

How many flights depart from United States to Idaho on average per week?

The number of flights available between United States and Idaho is 1,172 per week as of August 2026. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.

How many flights depart from United States to Idaho on average per day?

As of August 2026, 167 flights take off from United States and land in Idaho each day. The most common flight departure time for this route is 7:00PM, with 69% of daily flights taking off in the evening.

What is the cheapest airline that flies from United States to Idaho?

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from United States to Idaho

How long is the flight from United States to Idaho?

Flight times from United States to Idaho vary, but if you’re flying out of San Francisco and flying into Boise (one of the most popular routes), then the duration is 1h 41m on average. Another popular route from United States to Idaho is flying from Los Angeles to Boise, which will take roughly 1h 59m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from United States to Idaho?

Prices for flights from United States to Idaho refresh daily.

How many operators does momondo search for flights from United States to Idaho?

As of August 2026, there are 8 operators available to choose from for flights from United States to Idaho.

How old do you have to be to fly from United States to Idaho?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States 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.

$60 Cheap Flights from the United States to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Idaho

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from the United States to Idaho

Enter your travel dates to find the best prices.

2:45 pm - 5:15 pm-

1h 30mnonstop

12:13 pm - 1:00 pm-

1h 47mnonstop

$157Delta

Tue, Dec 8 - Tue, Dec 15

2:45 pm - 5:14 pm-

1h 29mnonstop

12:08 pm - 1:00 pm-

1h 52mnonstop

$157Delta

Wed, Oct 21 - Tue, Oct 27

9:18 pm - 11:44 pm-

1h 26mnonstop

2:06 pm - 2:41 pm-

1h 35mnonstop

$177Alaska Airlines

Fri, Oct 2 - Mon, Oct 5

8:08 pm - 10:38 pm-

1h 30mnonstop

5:52 pm - 6:33 pm-

1h 41mnonstop

$177Alaska Airlines

Fri, Sep 18 - Sun, Sep 20

1:45 pm - 11:25 pm-

8h 40m

1:55 pm - 6:50 pm-

5h 55m

$187Southwest

Tue, Sep 22 - Thu, Sep 24

1:40 pm - 9:10 pm-

6h 30m

6:40 pm - 10:15 pm-

4h 35m

$187Southwest

Fri, Nov 6 - Wed, Nov 11

12:45 pm - 3:31 pm-

1h 46mnonstop

7:05 pm - 7:58 pm-

1h 53mnonstop

$207United Airlines

Sat, Sep 12 - Tue, Sep 15

2:50 pm - 1:55 pm-

22h 05m

2:50 pm - 3:01 pm-

25h 11m

$208Frontier

Sun, Sep 13 - Sun, Sep 20

6:00 am - 12:29 pm-

5h 29m

1:24 pm - 10:47 am-

22h 23m

$210Frontier

Tue, Sep 1 - Tue, Sep 8

8:15 am - 11:06 am-

1h 51mnonstop

7:05 pm - 7:58 pm-

1h 53mnonstop

$217United Airlines

Thu, Sep 17 - Mon, Sep 21

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Frontier flights from United States to Idaho

Our best Frontier deals on United States to Idaho flight tickets

Frontier

Sep 16

SEA9:45 pmSeattle/Tacoma Intl

15h 10m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Sep 21

BOI2:50 pmBoise Air Term. Gowen Fld

19h 52m

1 stop

SEA9:42 amSeattle/Tacoma Intl

$200

Frontier

Sep 13

LAX2:50 pmLos Angeles

22h 05m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

Sep 20

BOI2:50 pmBoise Air Term. Gowen Fld

25h 11m

1 stop

LAX3:01 pmLos Angeles

$208

Frontier

Sep 1

SFO6:00 amSan Francisco

5h 29m

1 stop

BOI12:29 pmBoise Air Term. Gowen Fld

Sep 8

BOI1:24 pmBoise Air Term. Gowen Fld

22h 23m

1 stop

SFO10:47 amSan Francisco

$210

Delta flights from United States to Idaho

Our best Delta deals on United States to Idaho flight tickets

Delta

Sep 16

SEA8:59 amSeattle/Tacoma Intl

1h 38m

BOI11:37 amBoise Air Term. Gowen Fld

Sep 19

BOI5:59 pmBoise Air Term. Gowen Fld

1h 42m

SEA6:41 pmSeattle/Tacoma Intl

$157

Delta

Aug 29

SEA9:03 amSeattle/Tacoma Intl

1h 40m

BOI11:43 amBoise Air Term. Gowen Fld

Aug 30

BOI6:49 amBoise Air Term. Gowen Fld

1h 46m

SEA7:35 amSeattle/Tacoma Intl

$167

Delta

Sep 17

SEA2:45 pmSeattle/Tacoma Intl

1h 34m

BOI5:19 pmBoise Air Term. Gowen Fld

Sep 22

BOI5:59 pmBoise Air Term. Gowen Fld

1h 42m

SEA6:41 pmSeattle/Tacoma Intl

$207

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Tue 12/8

2:45 pm-5:15 pm

Nonstop1h 30m

Boise Air Term. Gowen Fld

Tue 12/15

12:13 pm-1:00 pm

Nonstop1h 47m

$157

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 10/21

2:45 pm-5:14 pm

Nonstop1h 29m

Boise Air Term. Gowen Fld

Tue 10/27

12:08 pm-1:00 pm

Nonstop1h 52m

$157

Quickest round-trip

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 10/2

9:18 pm-11:44 pm

Nonstop1h 26m

Boise Air Term. Gowen Fld

Mon 10/5

2:06 pm-2:41 pm

Nonstop1h 35m

$177

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 9/18

8:08 pm-10:38 pm

Nonstop1h 30m

Boise Air Term. Gowen Fld

Sun 9/20

5:52 pm-6:33 pm

Nonstop1h 41m

$177

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Tue 9/22

1:45 pm-11:25 pm

1 stop8h 40m

Boise Air Term. Gowen Fld

Thu 9/24

1:55 pm-6:50 pm

1 stop5h 55m

$187

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 11/6

1:40 pm-9:10 pm

1 stop6h 30m

Boise Air Term. Gowen Fld

Wed 11/11

6:40 pm-10:15 pm

1 stop4h 35m

$187

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Sat 9/12

12:45 pm-3:31 pm

Nonstop1h 46m

Boise Air Term. Gowen Fld

Tue 9/15

7:05 pm-7:58 pm

Nonstop1h 53m

$207

Los AngelesBoise

LAX - BOI

LAXBOI

Los Angeles

Sun 9/13

2:50 pm-1:55 pm

1 stop22h 05m

Boise Air Term. Gowen Fld

Sun 9/20

2:50 pm-3:01 pm

1 stop25h 11m

$208

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Tue 9/1

6:00 am-12:29 pm

1 stop5h 29m

Boise Air Term. Gowen Fld

Tue 9/8

1:24 pm-10:47 am

1 stop22h 23m

$210

San FranciscoBoise

SFO - BOI

SFOBOI

San Francisco

Thu 9/17

8:15 am-11:06 am

Nonstop1h 51m

Boise Air Term. Gowen Fld

Mon 9/21

7:05 pm-7:58 pm

Nonstop1h 53m

$217

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 United States 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 United States 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 October to fly from United States, when ticket prices are also cheap, with an average price of $359.

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 $251. On the other hand, Sunday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $394.

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 afternoon. momondo users have found flights departing from United States to Idaho in the afternoon for as low as $227. 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 evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $337 per ticket.

What is the cheapest United States to Idaho flight route?

Fly from Las Vegas Harry Reid Intl to Idaho Falls Fanning Field for the best United States - Idaho flight prices

What cabin class options are available on United States to Idaho flights?

There are 4 cabin classes available to choose from on United States 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 United States to Idaho flights?

No. A direct flight is the cheapest option for a flight between United States to Idaho.

Cheap United States to Idaho flight deals and tips

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

Best Price Found	$72
Fastest flight time	0h 28m
Direct flights	Every day
Airports in Idaho	27 airports

The best one-way flight to Idaho from United States in the past 72 hours is $72. The best round-trip flight deal from United States to Idaho found on momondo in the last 72 hours is $94.

The fastest flight from United States to Idaho takes 0h 28m

Direct flights go from United States to Idaho every day.

There are 27 airports in Idaho. From United States there are direct flights to Boise Air Term. Gowen Fld (BOI).

Search flight deals

Frequently asked questions about flying from the United States to Idaho

When did momondo last update prices for flights from United States to Idaho?
Prices for flights from United States to Idaho refresh daily.
How many operators does momondo search for flights from United States to Idaho?
As of August 2026, there are 8 operators available to choose from for flights from United States to Idaho.
How old do you have to be to fly from United States to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States 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.
What is the most popular plane model from United States to Idaho?
momondo data reveals that the most frequently booked plane model on the route from United States to Idaho is Embraer 175 (Enhanced Winglets), representing 19.35% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 11.32%, Boeing 737-800 at 11.00%, and Boeing 737 MAX 8 at 10.67%.

Best airlines flying from United States to Idaho

Compare and see reviews for airlines that fly from United States to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $60	Free Cancellation	Rating 7.9 12,762 reviews	Search Alaska Airlines flights
Breeze Airways	PriceFrom $63	Free Cancellation	Rating 8.2 304 reviews	Search Breeze Airways flights
Hawaiian Airlines	PriceFrom $65	Free Cancellation	Rating 7.8 2,819 reviews	Search Hawaiian Airlines flights
Allegiant Air	PriceFrom $76	Free Cancellation	Rating 7.3 680 reviews	Search Allegiant Air flights
Delta	PriceFrom $100	Free Cancellation	Rating 7.8 8,481 reviews	Search Delta flights
Frontier	PriceFrom $112	Free Cancellation	Rating 5.6 2,738 reviews	Search Frontier flights
United Airlines	PriceFrom $144	Free Cancellation	Rating 7.4 10,059 reviews	Search United Airlines flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,222 reviews	Search Southwest flights
American Airlines	PriceFrom $242	Free Cancellation	Rating 7.1 11,848 reviews	Search American Airlines flights

Why use momondo?

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

It is quick and easy to find United States 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 United States to Idaho with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho from United States with this policy.

How can momondo help me find flights from United States to Idaho?

Once you have performed a search for United States 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 United States 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 United States and alert you when they change.

An easier way to manage your Idaho trip

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Popular cities in Idaho

Flights to New Yorkfrom $71

Flights to Los Angelesfrom $60

Flights to Orlandofrom $55

Flights to Miamifrom $74

Flights to Chicagofrom $65

Flights to San Franciscofrom $53

Flights to Las Vegasfrom $53

Flights to Washington, D.C.from $59

Flights to Bostonfrom $51

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $51

Flights to Dallasfrom $73

Cheap flights from the United States to Idaho from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Idaho departing on 9/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from United States to Idaho

Our best Frontier deals on United States to Idaho flight tickets

Delta flights from United States to Idaho

Our best Delta deals on United States to Idaho flight tickets

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See travel insights to Idaho from

How to get the cheapest flight ticket from United States to Idaho

What is the cheapest month to fly to Idaho?

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

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

What is the cheapest United States to Idaho flight route?

What cabin class options are available on United States to Idaho flights?

Can stopping save me money on United States to Idaho flights?

What is the cheapest airline that flies from United States to Idaho?

What airlines fly to Idaho?

How many flights depart from United States to Idaho on average per day?

How many flights depart from United States to Idaho on average per week?

How long is the flight from United States to Idaho?

Cheap United States to Idaho flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho

Frequently asked questions about flying from the United States to Idaho

Best airlines flying from United States to Idaho

Compare and see reviews for airlines that fly from United States to Idaho with momondo

Why use momondo?

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Idaho

Popular cities in Idaho

Popular flights according to clicks in the last 7 days on momondo

United States flight routes

According to popular flight searches on momondo this year

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