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Stewart

$262+ Cheap flights from Idaho to New Windsor (SWF)

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SWF
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Idaho to Stewart

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

Popular in

December

Cheapest in

April

Average price

$366
Highest demand for flights based on searches. 18% potential increase in price ($93 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Idaho to Stewart

One-way flights from Idaho to Stewart
Search for one-way flight options from Idaho to Stewart. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:28 pmBOI - SWF
3 stops20h 13mMultiple Airlines
Deal found 9/15$262
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1912:28 pmBOI - SWF
3 stops43h 58mMultiple Airlines
Deal found 9/16$275
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:31 pmBOI - SWF
3 stops59h 40mMultiple Airlines
Deal found 9/15$283
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:33 pmBOI - SWF
3 stops21h 11mMultiple Airlines
Deal found 9/16$292
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/22:16 pmBOI - SWF
2 stops19h 05mMultiple Airlines
Deal found 9/16$298
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.
Sat 10/42:16 pmBOI - SWF
3 stops51h 15mMultiple Airlines
Deal found 9/17$309
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:34 pmBOI - SWF
3 stops58h 29mMultiple Airlines
Deal found 9/15$342
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:28 pmBOI - SWF
3 stops29h 03mMultiple Airlines
Deal found 9/16$348
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:28 pmBOI - SWF
3 stops20h 23mMultiple Airlines
Deal found 9/15$359
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/229:26 pmBOI - SWF
3 stops59h 37mMultiple Airlines
Deal found 9/16$407
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2110:45 pmBOI - SWF
2 stops57h 22mMultiple Airlines
Deal found 9/15$425
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:00 pmBOI - SWF
3 stops38h 07mMultiple Airlines
Deal found 9/15$441

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Stewart 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 Idaho to New Windsor that are best for you.

Fly from

Idaho

Fly to

Stewart

Route

Depart

Return

Price

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Thu 10/23

12:28 pm-10:41 am

3 stops20h 13m

$262

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 10/19

12:28 pm-10:26 am

3 stops43h 58m

$275

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Fri 11/7

9:31 pm-11:11 am

3 stops59h 40m

$283

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 11/2

12:33 pm-11:44 am

3 stops21h 11m

$292

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Thu 10/2

2:16 pm-11:21 am

2 stops19h 05m

$298

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sat 10/4

2:16 pm-7:31 pm

3 stops51h 15m

$309

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Mon 10/20

10:34 pm-11:03 am

3 stops58h 29m

$342

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Thu 10/9

12:28 pm-10:51 am

3 stops20h 23m

$359

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Mon 9/22

9:26 pm-11:03 am

3 stops59h 37m

$407

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Fri 11/21

10:45 pm-10:07 am

2 stops57h 22m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 11 results
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Best time to book a flight from Idaho to Stewart

Have a flexible travel schedule? Discover the best time to fly to Stewart from Idaho 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 Idaho to New Windsor

What is the cheapest month to book a flight from Idaho to New Windsor?

Currently, October is the cheapest month in which you can book a flight from Idaho to New Windsor (average of $109). Flying from Idaho to New Windsor in December is currently the most expensive (average of $202). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Stewart. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to New Windsor from Idaho?

    If you book a flight to New Windsor from Idaho, you will be flying to Stewart, which is the city’s only airport. New Windsor Stewart (SWF) is located 4.3 mi from the center of New Windsor.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Stewart 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 Idaho to New Windsor?

    Currently, October is the cheapest month in which you can book a flight from Idaho to New Windsor (average of $109). Flying from Idaho to New Windsor in December is currently the most expensive (average of $202). 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

Traveling to a place near New Windsor?

Book flights to New Windsor if you plan to visit one of these locations
Kingston

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Alternative routes for Idaho to Stewart

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