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$2,392+ Cheap flights from Newcastle (NTL) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
NTL — BOI
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from Newcastle to Idaho

Keep the following information in mind while searching for Newcastle to Idaho flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$2,392
(Qantas Airways)

Popular in

July

Cheapest in

October
From Newcastle Williamtown to Idaho
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
Search Deals

Find flight deals from Newcastle to Idaho

Cheapest flights from Newcastle to Idaho
Explore the most affordable flight options available from Newcastle to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/305:00 pmNTL - BOI
2 stops47h 02mQantas Airways
lun. 11/38:08 amBOI - NTL
2 stops42h 57mQantas Airways
Deal found 9/14$2,392

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newcastle 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 septiembre 15, 2025.
Use the filters below to find and compare flights from Newcastle to Idaho that are best for you.

Fly from

Newcastle

Fly to

Idaho

Route

Depart

Return

Price

NewcastleBoise

NTL - BOI

NTLBOI

Newcastle Williamtown

jue. 10/30

5:00 pm-11:02 pm

2 stops47h 02m

Boise Air Term. Gowen Fld

lun. 11/3

8:08 am-9:05 pm

2 stops42h 57m

$2,392

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Best time to book a flight from Newcastle to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Newcastle 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 Newcastle to Idaho
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Newcastle to Idaho. 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 from for flights from Newcastle to Idaho?

    Newcastle Williamtown (NTL), located 9.7 mi from the city center, is the airport you fly out of when you book flights from Newcastle to Idaho.

  • How long is the flight from Newcastle to Idaho?

    Qantas Airways can get you from Newcastle to Idaho in just under 47h 02m. Your travel time can differ by up to . Newcastle and Idaho are separated by a distance of 7816 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Newcastle 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 Newcastle to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Newcastle to Idaho (average of $314). Flying from Newcastle 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

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