Idaho

$40+ Cheap flights from North America to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BOI
Mar 6 — Mar 131
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Cheap flight deals from North America to Idaho

Cheapest flights from North America to Idaho
Explore the most affordable flight options available from North America to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:50 am
DEN
-
GEG
Nonstop2h 37m
Frontier
Thu 3/1211:32 am
GEG
-
DEN
Nonstop2h 23m
Frontier
Deal found 2/3$79
This Kiwi.com deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:50 am
DEN
-
GEG
Nonstop2h 37m
Frontier
Sun 3/811:32 am
GEG
-
DEN
Nonstop2h 23m
Frontier
Deal found 2/3$108
This Expedia deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/59:50 am
DEN
-
GEG
Nonstop2h 37m
Multiple Airlines
Tue 3/107:26 pm
GEG
-
DEN
1 stop14h 16m
Multiple Airlines
Deal found 2/3$134
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:50 pm
SEA
-
BOI
Nonstop1h 25m
Delta
Tue 3/107:30 am
BOI
-
SEA
Nonstop1h 45m
Delta
Deal found 2/3$137
This Frontier deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/269:50 am
DEN
-
GEG
Nonstop2h 37m
Frontier
Sun 3/112:59 pm
GEG
-
DEN
Nonstop2h 21m
Frontier
Deal found 2/3$138
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:30 pm
SEA
-
BOI
Nonstop1h 26m
Delta
Mon 3/91:45 pm
BOI
-
SEA
Nonstop1h 40m
Delta
Deal found 2/4$147
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/89:10 am
DEN
-
GEG
Nonstop2h 37m
Frontier
Thu 3/1211:32 am
GEG
-
DEN
Nonstop2h 23m
Frontier
Deal found 2/2$148
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:04 pm
SEA
-
GEG
Nonstop1h 08m
Hawaiian Airlines
Sun 3/17:06 pm
GEG
-
SEA
Nonstop1h 17m
Hawaiian Airlines
Deal found 2/2$156
This Delta deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/197:15 am
SEA
-
BOI
Nonstop1h 40m
Delta
Sun 3/229:00 am
BOI
-
SEA
Nonstop1h 49m
Delta
Deal found 2/4$157
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:50 pm
SEA
-
GEG
Nonstop1h 08m
Delta
Sat 2/281:25 pm
GEG
-
SEA
Nonstop1h 16m
Delta
Deal found 2/3$157
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2511:20 am
SEA
-
BOI
1 stop9h 55m
Southwest
Wed 3/45:25 pm
BOI
-
SEA
1 stop5h 25m
Southwest
Deal found 2/2$162
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:45 pm
DEN
-
GEG
1 stop6h 14m
Multiple Airlines
Thu 3/1911:32 am
GEG
-
DEN
Nonstop2h 23m
Multiple Airlines
Deal found 2/2$163

Find flight deals from North America to Idaho

Keep the following information in mind while searching for North America to Idaho flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$79
(Kiwi.com)

One-way from

$40
(Frontier)

Popular in

December

Cheapest in

October

Average price

$497

Good round-trip deal

$117 or less

Good one-way deal

$60 or less
Provider with most accurate pricing for New York (NYC)-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for New York (NYC)-Boise Air Term. Gowen Fld flights.
From North America to Idaho
One-way flight from North America to Idaho
Highest demand for flights based on searches. 7% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from North America to Idaho.
Price to beat on a one-way flight from North America to Idaho.

Cheapflights Fare Finder

 
Customize your flight search to find flights from North America 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, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from North America to Idaho that are best for you.

Fly from

North America

Fly to

Idaho

Route

Depart

Return

Price

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Tue 3/3

1:50 pm-4:15 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

Tue 3/10

7:30 am-8:15 am

Nonstop1h 45m

$137

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 4/8

1:30 pm-4:00 pm

Nonstop1h 30m

Boise Air Term. Gowen Fld

Sat 4/11

7:30 am-8:17 am

Nonstop1h 47m

$137

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 3/4

5:50 pm-8:15 pm

Nonstop1h 25m

Boise Air Term. Gowen Fld

Wed 3/11

7:30 pm-8:16 pm

Nonstop1h 46m

$137

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 3/6

9:25 pm-11:45 pm

Nonstop1h 20m

Boise Air Term. Gowen Fld

Sat 3/7

10:41 am-11:35 am

Nonstop1h 54m

$147

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Tue 3/3

8:45 am-5:15 pm

1 stop7h 30m

Boise Air Term. Gowen Fld

Tue 3/10

12:25 pm-7:35 pm

1 stop8h 10m

$157

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 2/27

8:10 pm-10:40 pm

Nonstop1h 30m

Boise Air Term. Gowen Fld

Sun 3/1

6:28 am-7:13 am

Nonstop1h 45m

$157

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Thu 2/26

8:30 pm-9:37 pm

Nonstop1h 07m

Spokane

Sat 2/28

12:00 pm-1:17 pm

Nonstop1h 17m

$157

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Thu 3/12

9:54 am-11:06 am

Nonstop1h 12m

Spokane

Sun 3/15

5:40 am-7:04 am

Nonstop1h 24m

$157

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 3/19

7:15 am-9:55 am

Nonstop1h 40m

Boise Air Term. Gowen Fld

Mon 3/23

7:30 am-8:17 am

Nonstop1h 47m

$157

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Fri 5/1

9:40 pm-12:17 am

Nonstop1h 37m

Boise Air Term. Gowen Fld

Sun 5/3

7:24 am-8:15 am

Nonstop1h 51m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 60 results
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Best time to book a flight from North America to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from North America with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from North America to Idaho

What is the cheapest month to book a flight from North America to Idaho?

Currently, August is the cheapest month in which you can book a flight from North America to Idaho (average of $34). Flying from North America to Idaho in November is currently the most expensive (average of $76). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NA to ID?

Find hourly flight availability from North America to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2026.

When flying from North America to Idaho, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 10% versus a flight in the evening.

What is the cheapest day to fly from North America to Idaho?

Use this chart to determine the cheapest time to fly round-trip from North America to Idaho. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their North America to Idaho flight should consider departing on Monday mornings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from North America to Idaho

Explore weekly flight availability from North America to Idaho. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 4, 2026.

The most flights from 0NA to USID are scheduled on a Monday (22 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (21 on average).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated February 4, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from North America to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from North America to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this North America to Idaho flight route?

  • How long is the flight from North America to Idaho?

    Airlines like Delta, Alaska Airlines, and Frontier fly from North America to Idaho in about 1h 07m. The time it takes to get you to your destination is usually consistent. The distance between North America and Idaho is about 223 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from North America to Idaho one-way?

    The cheapest airlines for a one-way flight from North America to Idaho are Allegiant Air ($36), Spirit Airlines ($37), and Frontier ($42).

  • Can I find deals for flights from North America to Idaho that include hotel bookings?

    Yes. In addition to deals on North America to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from North America to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Idaho.

  • Can I find deals for business class flights from North America to Idaho?

    Yes. Cheapflights offers flight deals from North America to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from North America to Idaho?

    Currently, August is the cheapest month in which you can book a flight from North America to Idaho (average of $34). Flying from North America to Idaho in November is currently the most expensive (average of $76). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for North America to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from North America to Idaho

Discover the top 9 airlines that operate flights from North America to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$40Average$151FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$42Average$195FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$50Average$403FlexibilityNo cancel feeOn-time75%
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$65Average$211FlexibilityNo cancel feeOn-time85%
DeltaCheapest$97Average$433FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$132Average$496FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$142Average$372FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$216Average$469FlexibilityNo cancel feeOn-time71%

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