Idaho

$119+ Cheap flights from LaGuardia, NY (LGA) 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — BOI
Oct 17 — Oct 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from LaGuardia to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from LaGuardia to Idaho

Keep the following information in mind while searching for LaGuardia to Idaho flight deals. Data was last updated September 17, 2025.

Round-trip from

$255
(Frontier)

One-way from

$119
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$523
From New York LaGuardia to Idaho
One-way flight from New York LaGuardia to Idaho
Highest demand for flights based on searches. 10% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from LaGuardia to Idaho

Cheapest flights from LaGuardia to Idaho
Explore the most affordable flight options available from LaGuardia to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Frontier deal was found by Cheapflights users on 9/15. 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.
Sat 10/2510:55 pmLGA - BOI
1 stop14h 48mFrontier
Sun 11/212:33 pmBOI - LGA
1 stop7h 27mFrontier
Deal found 9/15$177
This Frontier deal was found by Cheapflights users on 9/16. 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 10/1610:00 pmLGA - BOI
2 stops15h 43mFrontier
Thu 10/2312:28 pmBOI - LGA
1 stop7h 32mFrontier
Deal found 9/16$255
This Delta deal was found by Cheapflights users on 9/14. 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.
Sat 10/257:55 amLGA - GEG
1 stop8h 10mDelta
Tue 10/282:17 pmGEG - LGA
1 stop6h 26mDelta
Deal found 9/14$259
This Delta deal was found by Cheapflights users on 9/15. 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 12/106:00 amLGA - GEG
1 stop10h 08mDelta
Mon 12/152:05 pmGEG - LGA
1 stop6h 36mDelta
Deal found 9/15$289
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amLGA - BOI
1 stop8h 45mAmerican Airlines
Sat 11/81:40 pmBOI - LGA
1 stop8h 02mAmerican Airlines
Deal found 9/17$289
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:59 pmLGA - BOI
1 stop8h 25mAmerican Airlines
Thu 11/61:40 pmBOI - LGA
1 stop7h 49mAmerican Airlines
Deal found 9/15$290
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:15 amLGA - GEG
2 stops12h 44mUnited Airlines
Mon 12/151:47 pmGEG - LGA
1 stop6h 43mUnited Airlines
Deal found 9/15$294
This Delta deal was found by Cheapflights users on 9/15. 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 10/286:00 amLGA - GEG
2 stops9h 35mDelta
Mon 11/35:45 amGEG - LGA
2 stops10h 43mDelta
Deal found 9/15$299
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/2310:55 pmLGA - BOI
1 stop14h 48mFrontier
Sun 10/2612:28 pmBOI - LGA
2 stops20h 59mFrontier
Deal found 9/17$307
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:00 amLGA - GEG
1 stop8h 43mAmerican Airlines
Sun 11/21:14 pmGEG - LGA
1 stop7h 15mAmerican Airlines
Deal found 9/16$312
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amLGA - BOI
1 stop8h 43mAmerican Airlines
Sat 10/251:26 pmBOI - LGA
1 stop6h 59mAmerican Airlines
Deal found 9/16$314
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 amLGA - GEG
1 stop8h 30mAmerican Airlines
Mon 12/85:17 amGEG - LGA
1 stop9h 37mAmerican Airlines
Deal found 9/14$319

Cheapflights Fare Finder

 
Customize your flight search to find flights from LaGuardia 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 September 17, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Idaho that are best for you.

Fly from

LaGuardia

Fly to

Idaho

Route

Depart

Return

Price

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Sat 10/25

7:55 am-1:05 pm

1 stop8h 10m

Spokane

Tue 10/28

2:17 pm-11:43 pm

1 stop6h 26m

$259

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Wed 10/15

6:00 am-12:35 pm

2 stops9h 35m

Spokane

Wed 10/22

12:51 pm-11:41 pm

1 stop7h 50m

$264

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Tue 11/18

5:03 pm-11:51 pm

2 stops9h 48m

Spokane

Wed 11/19

2:09 pm-11:42 pm

1 stop6h 33m

$264

New YorkSpokane

LGA - GEG

LGAGEG

New York LaGuardia

Wed 12/10

6:00 am-1:08 pm

1 stop10h 08m

Spokane

Mon 12/15

2:05 pm-11:41 pm

1 stop6h 36m

$289

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Tue 3/3

6:05 am-2:09 pm

1 stop10h 04m

Boise Air Term. Gowen Fld

Wed 3/4

5:40 am-8:00 pm

2 stops12h 20m

$294

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Sat 10/25

10:55 pm-11:43 am

1 stop14h 48m

Boise Air Term. Gowen Fld

Sun 11/2

12:33 pm-11:29 am

2 stops20h 56m

$309

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Thu 10/23

6:25 am-11:39 am

1 stop7h 14m

Boise Air Term. Gowen Fld

Sat 10/25

9:30 am-9:54 pm

2 stops10h 24m

$326

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Thu 10/16

10:55 pm-11:43 am

1 stop14h 48m

Boise Air Term. Gowen Fld

Thu 10/23

12:28 pm-10:00 pm

1 stop7h 32m

$343

New YorkHailey

LGA - SUN

LGASUN

New York LaGuardia

Tue 10/14

9:18 am-9:18 pm

2 stops14h 00m

Hailey Sun Valley-Friedman

Fri 10/17

2:25 pm-11:22 pm

1 stop6h 57m

$346

New YorkBoise

LGA - BOI

LGABOI

New York LaGuardia

Thu 10/30

1:59 pm-10:24 pm

1 stop10h 25m

Boise Air Term. Gowen Fld

Sun 11/2

1:40 pm-11:36 pm

1 stop7h 56m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from LaGuardia to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from LaGuardia 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 New York LaGuardia Airport to Idaho

What is the cheapest month to book a flight from New York LaGuardia Airport to Idaho?

Currently, October is the cheapest month in which you can book a flight from New York LaGuardia Airport to Idaho (average of $314). Flying from New York LaGuardia Airport to Idaho in June is currently the most expensive (average of $398). 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 LGA to ID?

Find hourly flight availability from LaGuardia 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 September 17, 2025.

When flying from New York LaGuardia Airport to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 17, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from New York LaGuardia Airport 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.
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
8.0
Very good
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
8.0
Very good

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from LaGuardia to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from New York LaGuardia Airport to Idaho?

    Delta, Frontier, and United Airlines can get you from New York LaGuardia Airport to Idaho in just under 8h 10m. Your travel time can differ by up to 6h 38m. There are 2182 mi between New York LaGuardia Airport and Idaho. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from New York LaGuardia Airport to Idaho one-way?

    The cheapest airlines for a one-way flight from New York LaGuardia Airport to Idaho are United Airlines ($119), American Airlines ($130), and Delta ($135).

  • What are the most popular routes from New York LaGuardia Airport to Idaho?

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

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

  • How can I find direct flights from LaGuardia to Idaho?

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

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

    Yes. Cheapflights offers flight deals from LaGuardia 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 New York LaGuardia Airport to Idaho?

    Currently, October is the cheapest month in which you can book a flight from New York LaGuardia Airport to Idaho (average of $314). Flying from New York LaGuardia Airport to Idaho in June is currently the most expensive (average of $398). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for LaGuardia to Idaho

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

Top 3 airlines flying from LaGuardia to Idaho

Discover the top 3 airlines that operate flights from LaGuardia 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$503FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$580FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$443FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.