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New Castle

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New Castle Flights as Low as $88

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Tue, Sep 1 - Sat, Sep 19
ONT
Ontario Intl. Airport
DEN
Denver Intl.
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Sep 1 from Ontario Intl. Airport to Denver Intl., returning Sat, Sep 19, priced at $88 just found
Frontier Airlines
Wed, Sep 16 - Tue, Sep 22
LAX
Los Angeles Intl.
DEN
Denver Intl.
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Sep 16 from Los Angeles Intl. to Denver Intl., returning Tue, Sep 22, priced at $88 just found
Frontier Airlines
Wed, Aug 5 - Tue, Aug 11
LAX
Los Angeles Intl.
DEN
Denver Intl.
$90 Roundtrip, just found
$90
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 5 from Los Angeles Intl. to Denver Intl., returning Tue, Aug 11, priced at $90 just found
Frontier Airlines
Tue, Aug 18 - Tue, Aug 18
LAX
Los Angeles Intl.
DEN
Denver Intl.
$98 Roundtrip, found 2 days ago
$98
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Aug 18 from Los Angeles Intl. to Denver Intl., returning Tue, Aug 18, priced at $98 found 2 days ago
Frontier Airlines
Sat, Sep 19 - Sat, Sep 26
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 19 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 26, priced at $108 just found
American Airlines
Wed, Sep 16 - Tue, Sep 22
LAX
Los Angeles Intl.
DEN
Denver Intl.
$177 Roundtrip, just found
$177
Roundtrip
just found
Select American Airlines flight, departing Wed, Sep 16 from Los Angeles Intl. to Denver Intl., returning Tue, Sep 22, priced at $177 just found
United
Wed, Sep 16 - Tue, Sep 22
LAX
Los Angeles Intl.
DEN
Denver Intl.
$177 Roundtrip, just found
$177
Roundtrip
just found
Select United flight, departing Wed, Sep 16 from Los Angeles Intl. to Denver Intl., returning Tue, Sep 22, priced at $177 just found
Delta
Wed, Sep 16 - Tue, Sep 22
LAX
Los Angeles Intl.
DEN
Denver Intl.
$177 Roundtrip, just found
$177
Roundtrip
just found
Select Delta flight, departing Wed, Sep 16 from Los Angeles Intl. to Denver Intl., returning Tue, Sep 22, priced at $177 just found
Delta
Sat, Sep 19 - Sat, Sep 26
DAL
Love Field
DEN
Denver Intl.
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Delta flight, departing Sat, Sep 19 from Love Field to Denver Intl., returning Sat, Sep 26, priced at $237 just found
Alaska Airlines
Wed, Aug 5 - Tue, Aug 11
LAX
Los Angeles Intl.
DEN
Denver Intl.
$283 Roundtrip, just found
$283
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Aug 5 from Los Angeles Intl. to Denver Intl., returning Tue, Aug 11, priced at $283 just found
Bargain Flight
Sat, Aug 1 - Tue, Aug 4
DFW
Dallas-Fort Worth Intl.
GJT
Grand Junction Regional
$289 Roundtrip, found 2 days ago
$289
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Sat, Aug 1 from Dallas-Fort Worth Intl. to Grand Junction Regional, returning Tue, Aug 4, priced at $289 found 2 days ago
Bargain Flight
Tue, Jul 21 - Tue, Jul 21
DFW
Dallas-Fort Worth Intl.
ASE
Pitkin County
$290 Roundtrip, found 3 days ago
$290
Roundtrip
found 3 days ago
Select Bargain Flight flight, departing Tue, Jul 21 from Dallas-Fort Worth Intl. to Pitkin County, returning Tue, Jul 21, priced at $290 found 3 days ago
American Airlines
Mon, Jul 20 - Tue, Jul 21
LAX
Los Angeles Intl.
EGE
Eagle County Regional
$559 Roundtrip, just found
$559
Roundtrip
just found
Select American Airlines flight, departing Mon, Jul 20 from Los Angeles Intl. to Eagle County Regional, returning Tue, Jul 21, priced at $559 just found
United
Thu, Jul 23 - Wed, Jul 29
ONT
Ontario Intl. Airport
EGE
Eagle County Regional
$628 Roundtrip, found 6 days ago
$628
Roundtrip
found 6 days ago
Select United flight, departing Thu, Jul 23 from Ontario Intl. Airport to Eagle County Regional, returning Wed, Jul 29, priced at $628 found 6 days ago
Delta
Thu, Jul 30 - Mon, Aug 3
DAL
Love Field
GJT
Grand Junction Regional
$858 Roundtrip, found 2 days ago
$858
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jul 30 from Love Field to Grand Junction Regional, returning Mon, Aug 3, priced at $858 found 2 days ago
Delta
Tue, Jul 21 - Tue, Jul 28
DAL
Love Field
ASE
Pitkin County
$947 Roundtrip, found 22 hours ago
$947
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Jul 21 from Love Field to Pitkin County, returning Tue, Jul 28, priced at $947 found 22 hours ago

Cheap Flights to New Castle

Fall in love at first flight with your vacation to New Castle by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to New Castle on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in New Castle, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to New Castle

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to New Castle with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the DEN airport.

What is the cheapest month to fly to New Castle?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to New Castle are in September, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to New Castle?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 14 to choose from for your flight to New Castle.

What airport is best to fly into New Castle?

When you’re planning your trip to New Castle, convenience is the name of the game. Luckily, New Castle Eagle County Regional Airport is nearby so you can deplane and get going on checking off everything on your New Castle must-do list.

How much are flights to New Castle?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to New Castle on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $88, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to New Castle?

The trick to saving a stack of cash on your flight to New Castle? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $88 right now, why wait?

New Castle Flight Information
Destination airport
Denver Intl.
Destination airport IATA code
DEN
Roundtrip price
$128

Last Minute Hotel Deals in New Castle

Wingate by Wyndham New Castle - Glenwood Springs

Wingate by Wyndham New Castle - Glenwood Springs

3 out of 5
781 Burning Mountain Ave New Castle CO
Book a stay at this business-friendly hotel in New Castle. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the helpful staff and the clean ...
7.6/10 Good! (1,009 reviews)
"We stayed two nights in the facility and they served the exact same breakfast with spoiled oranges and bad taste and diluted coffee. We asked for an additional luggage rack or a chair and got negative answers. There were bugs in our room. Shower curtain was slipped off. Faucet was in poor quality. ..."

Reviewed on Jun 30, 2026

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Wingate by Wyndham New Castle - Glenwood Springs
Hotel Colorado

Hotel Colorado

3.5 out of 5
526 Pine St Glenwood Springs CO
Book a stay at this business-friendly hotel in Glenwood Springs. Enjoy free WiFi, 2 bars/lounges, and breakfast (surcharge). Our guests praise the restaurant ...
9/10 Wonderful! (2,438 reviews)
"Very antique and just a fun experience. It does need updating. It was very clean and I loved the history."

Reviewed on Jul 2, 2026

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Hotel Colorado
Hotel Glenwood Springs

Hotel Glenwood Springs

2.5 out of 5
52000 Two Rivers Plaza Rd Glenwood Springs CO
Book a stay at this ski hotel in Glenwood Springs. Enjoy free breakfast, free WiFi, and free water park access. Our guests praise the pool and the helpful staff ...
8/10 Very Good! (1,583 reviews)
"Great location for the caverns. Breakfast was a lot of options."

Reviewed on Jul 2, 2026

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Hotel Glenwood Springs
Glenwood Springs Cedar Lodge

Glenwood Springs Cedar Lodge

2 out of 5
2102 Grand Ave Glenwood Springs CO
Stay at this hotel in Glenwood Springs. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the pool in our reviews. Popular ...
8.8/10 Excellent! (1,794 reviews)
"The property was very well maintained. The garden was beautiful with all of the flowers throughout the whole premises. The staff was very helpful."

Reviewed on Jul 2, 2026

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Glenwood Springs Cedar Lodge
Silver Spruce Inn

Silver Spruce Inn

2 out of 5
162 W 6th Street Glenwood Springs CO
Book a stay at this business-friendly motel in Glenwood Springs. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful ...
9/10 Wonderful! (1,442 reviews)
"Best hotel I've ever stayed in! I honestly couldn't find a single thing wrong with our experience. From the moment we checked in, the staff went above and beyond to make us feel welcome and were always available to help. Parking was conveniently located right outside our door, which made unloading ..."

Reviewed on Jul 2, 2026

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Silver Spruce Inn
Glenwood Springs Inn

Glenwood Springs Inn

2 out of 5
141 W. 6th Street Glenwood Springs CO
Stay at this motel in Glenwood Springs. Enjoy free breakfast, free WiFi, and free parking. Our guests praise the breakfast and the helpful staff in our reviews. ...
8.8/10 Excellent! (1,598 reviews)
"Great location, friendly staff and a really nice room. And the price was great compared to surrounding properties, will stay here again for sure!"

Reviewed on Jul 2, 2026

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Glenwood Springs Inn
La Quinta Inn & Suites by Wyndham Glenwood Springs

La Quinta Inn & Suites by Wyndham Glenwood Springs

3 out of 5
124 West 6th Street, I-70 at Exit 116 Glenwood Springs CO
Book a stay at this business-friendly hotel in Glenwood Springs. Enjoy free breakfast, free WiFi, and a 24-hour fitness center. Our guests praise the breakfast ...
8.6/10 Excellent! (1,860 reviews)
"Front desk called the hotel phone at 2 in the morning because my next door neighbor reported a baby crying. I was alone and asleep, I do not have a baby and was very unhappy with the middle of the night phone call. A baby could be heard but I feel they should have walked the property to confirm location ..."

Reviewed on Jul 2, 2026

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La Quinta Inn & Suites by Wyndham Glenwood Springs
The Historic Redstone Inn

The Historic Redstone Inn

3 out of 5
82 Redstone Blvd Carbondale CO
Stay at this hotel in Carbondale. Enjoy free WiFi, free parking, and 2 restaurants. Our guests praise the helpful staff in our reviews. Popular attractions Redstone ...
9/10 Wonderful! (757 reviews)
"I really wish I could experience this hotel twenty years ago. As with every thing, time can take a toll. I can appreciate the history in this place but there are a few things that need to be updated. Our room smelled of cleaning chemicals and the water smelled like copper. The breakfast was kinda ..."

Reviewed on Jul 3, 2026

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The Historic Redstone Inn
See all 641 properties in New Castle
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.