HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Stewart

$157+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SWF
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Stewart 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 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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/25. 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 3/512:38 pm
BOI
-
SWF
2 stops19h 34m
Multiple Airlines
Deal found 1/25$157
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 2/2711:56 am
BOI
-
SWF
3 stops45h 06m
Multiple Airlines
Deal found 1/25$180
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/1212:36 pm
BOI
-
SWF
3 stops20h 55m
Multiple Airlines
Deal found 1/26$304
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 4/1611:53 am
BOI
-
SWF
2 stops21h 02m
Multiple Airlines
Deal found 1/26$330
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 3/2212:15 pm
BOI
-
SWF
3 stops21h 16m
Multiple Airlines
Deal found 1/26$427
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 5/156:35 am
BOI
-
SWF
3 stops50h 20m
Multiple Airlines
Deal found 1/26$430
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 3/216:00 am
BOI
-
SWF
3 stops25h 39m
Multiple Airlines
Deal found 1/26$434
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 4/1911:53 am
BOI
-
SWF
3 stops21h 38m
Multiple Airlines
Deal found 1/26$440
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/256:28 am
BOI
-
SWF
3 stops26h 40m
Multiple Airlines
Deal found 1/26$551

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

October

Average price

$526
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. 22% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 27, 2026.
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 3/5

12:38 pm-10:12 am

2 stops19h 34m

$157

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Fri 2/27

11:56 am-11:02 am

3 stops45h 06m

$180

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Thu 2/12

12:36 pm-11:31 am

3 stops20h 55m

$304

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Thu 4/16

11:53 am-10:55 am

2 stops21h 02m

$330

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 3/22

12:15 pm-11:31 am

3 stops21h 16m

$427

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Fri 5/15

6:35 am-10:55 am

3 stops50h 20m

$430

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sat 3/21

6:00 am-9:39 am

3 stops25h 39m

$434

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Sun 4/19

11:53 am-11:31 am

3 stops21h 38m

$440

BoiseNew Windsor

BOI - SWF

BOISWF

Boise Air Term. Gowen Fld

Wed 2/25

6:28 am-11:08 am

3 stops26h 40m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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, December is the cheapest month in which you can book a flight from Idaho to New Windsor (average of $102). Flying from Idaho to New Windsor in January is currently the most expensive (average of $292). 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, December is the cheapest month in which you can book a flight from Idaho to New Windsor (average of $102). Flying from Idaho to New Windsor in January is currently the most expensive (average of $292). 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

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 Idaho to Stewart

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Dallas/Fort Worth to John F Kennedy Intl flights
San Francisco to John F Kennedy Intl flights
Miami to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Atlanta to John F Kennedy Intl flights
Fort Lauderdale to John F Kennedy Intl flights
Atlanta to LaGuardia flights
Miami to LaGuardia flights
San Francisco to Newark flights
O'Hare Intl to John F Kennedy Intl flights
Los Angeles to Newark flights
Fort Lauderdale to Newark flights
Fort Lauderdale to LaGuardia flights
Los Angeles to LaGuardia flights
Miami to Newark flights
Dallas/Fort Worth to Newark flights
Orlando to John F Kennedy Intl flights
Hobby to John F Kennedy Intl flights
O'Hare Intl to LaGuardia flights
Atlanta to Newark flights
Tampa to LaGuardia flights
Tampa to Newark flights
San Francisco to LaGuardia flights
O'Hare Intl to Newark flights
Tampa to John F Kennedy Intl flights
Orlando to LaGuardia flights
Hobby to LaGuardia flights
Denver to LaGuardia flights
Austin to John F Kennedy Intl flights
Orlando to Newark flights
Denver to John F Kennedy Intl flights
Denver to Newark flights
Seattle to John F Kennedy Intl flights
Charlotte to John F Kennedy Intl flights
Seattle to Newark flights
Hobby to Newark flights
Sky Harbor Intl to John F Kennedy Intl flights
George Bush Intcntl to John F Kennedy Intl flights
Cleveland to Newark flights
Raleigh to Newark flights
Cleveland to John F Kennedy Intl flights
West Palm Beach to Newark flights
Minneapolis to LaGuardia flights
George Bush Intcntl to Newark flights
West Palm Beach to John F Kennedy Intl flights
Cleveland to LaGuardia flights
Raleigh to John F Kennedy Intl flights
Sky Harbor Intl to Newark flights
Detroit to John F Kennedy Intl flights

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.