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Stewart

$225+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SWF
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 11, 2025.

Popular in

December

Cheapest in

April

Average price

$397
Highest demand for flights based on searches. 18% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 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 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/11. 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 11/612:33 pmBOI - SWF
3 stops27h 42mMultiple Airlines
Deal found 9/11$225
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/912:33 pmBOI - SWF
3 stops43h 53mMultiple Airlines
Deal found 9/9$273
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/2512:22 pmBOI - SWF
3 stops21h 22mMultiple Airlines
Deal found 9/10$300
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/199:43 pmBOI - SWF
3 stops35h 20mMultiple Airlines
Deal found 9/9$301
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/512:22 pmBOI - SWF
3 stops21h 22mMultiple Airlines
Deal found 9/11$320
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 stops24h 39mMultiple Airlines
Deal found 9/11$329
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/11$350
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/1812:22 pmBOI - SWF
3 stops21h 22mMultiple Airlines
Deal found 9/9$444
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/10$516
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/610:34 pmBOI - SWF
3 stops58h 29mMultiple Airlines
Deal found 9/9$630

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 11, 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 11/6

12:33 pm-6:15 pm

3 stops27h 42m

$225

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 11/9

12:33 pm-10:26 am

3 stops43h 53m

$273

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Thu 9/25

12:22 pm-11:44 am

3 stops21h 22m

$300

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Fri 9/19

9:43 pm-11:03 am

3 stops35h 20m

$301

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 10/5

12:22 pm-11:44 am

3 stops21h 22m

$320

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sat 10/4

2:16 pm-4:55 pm

3 stops24h 39m

$329

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Wed 11/19

6:28 am-10:22 am

3 stops49h 54m

$333

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Thu 10/9

12:28 pm-10:51 am

3 stops20h 23m

$350

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Thu 9/18

12:22 pm-11:44 am

3 stops21h 22m

$444

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Tue 12/23

5:37 pm-11:03 am

3 stops39h 26m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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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