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Stewart

$202+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SWF
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap 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 December 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/8. 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 1/59:46 pmBOI - SWF
3 stops59h 47mMultiple Airlines
Deal found 12/8$202
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 12/2812:38 pmBOI - SWF
3 stops44h 25mMultiple Airlines
Deal found 12/7$330
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 1/182:01 pmBOI - SWF
3 stops18h 18mMultiple Airlines
Deal found 12/8$331
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
Wed 2/46:23 amBOI - SWF
3 stops26h 45mMultiple Airlines
Deal found 12/7$397
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
Wed 1/145:55 pmBOI - SWF
3 stops46h 48mMultiple Airlines
Deal found 12/7$401
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 4/91:30 pmBOI - SWF
3 stops20h 01mMultiple Airlines
Deal found 12/8$403
This Kiwi.com deal was found by Cheapflights users on 12/7. 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 1/312:54 pmBOI - SWF
2 stops45h 08mMultiple Airlines
Deal found 12/7$404
This Kiwi.com deal was found by Cheapflights users on 12/8. 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 1/412:38 pmBOI - SWF
3 stops21h 06mMultiple Airlines
Deal found 12/8$407

Find flight deals from Idaho to Stewart

Keep the following information in mind while searching for Idaho to Stewart flight deals. Data was last updated December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

October

Average price

$638
Provider with most accurate pricing for Boise Air Term. Gowen Fld-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-New York (NYC) flights.
Search Deals
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 ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 9, 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

Mon 1/5

9:46 pm-11:33 am

3 stops59h 47m

$202

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 12/28

12:38 pm-11:03 am

3 stops44h 25m

$330

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 1/18

2:01 pm-10:19 am

3 stops18h 18m

$331

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Wed 2/4

6:23 am-11:08 am

3 stops26h 45m

$397

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Wed 1/14

5:55 pm-6:43 pm

3 stops46h 48m

$401

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sat 1/3

12:54 pm-12:02 pm

2 stops45h 08m

$404

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 1/4

12:38 pm-11:44 am

3 stops21h 06m

$407

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Fri 1/2

9:46 pm-11:03 am

3 stops35h 17m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

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, September is the cheapest month in which you can book a flight from Idaho to New Windsor (average of $115). Flying from Idaho to New Windsor in March is currently the most expensive (average of $274). 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, September is the cheapest month in which you can book a flight from Idaho to New Windsor (average of $115). Flying from Idaho to New Windsor in March is currently the most expensive (average of $274). 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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