Cheap flights To New Castle (DEN) from $59

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Cheap Flights to New Castle from $59 One Way, $70 Round Trip

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

Tue, Oct 7 - Wed, Oct 8
IAH
George Bush Intercontinental
DEN
Denver Intl.
$70 Roundtrip, found 5 days ago
$70
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Tue, Oct 7 from George Bush Intercontinental to Denver Intl., returning Wed, Oct 8, priced at $70 found 5 days ago
Thu, Aug 14 - Thu, Aug 14
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$78 Roundtrip, found 6 days ago
$78
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Aug 14 from Dallas-Fort Worth Intl. to Denver Intl., returning Thu, Aug 14, priced at $78 found 6 days ago
Sat, Sep 13 - Sat, Sep 13
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$134 Roundtrip, found 3 hours ago
$134
Roundtrip
found 3 hours ago
Select United flight, departing Sat, Sep 13 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 13, priced at $134 found 3 hours ago
Sat, Sep 13 - Sat, Sep 13
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$134 Roundtrip, found 3 hours ago
$134
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Sep 13 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 13, priced at $134 found 3 hours ago
Tue, Sep 30 - Sat, Oct 4
DAL
Love Field
DEN
Denver Intl.
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Tue, Sep 30 from Love Field to Denver Intl., returning Sat, Oct 4, priced at $137 found 3 hours ago
Sat, Sep 13 - Sat, Sep 13
DFW
Dallas-Fort Worth Intl.
DEN
Denver Intl.
$194 Roundtrip, found 3 hours ago
$194
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Sep 13 from Dallas-Fort Worth Intl. to Denver Intl., returning Sat, Sep 13, priced at $194 found 3 hours ago
Mon, Aug 25 - Wed, Aug 27
BOS
Logan Intl.
DEN
Denver Intl.
$217 Roundtrip, found 1 day ago
$217
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Aug 25 from Logan Intl. to Denver Intl., returning Wed, Aug 27, priced at $217 found 1 day ago
Sat, Jan 10 - Sat, Jan 17
IAH
George Bush Intercontinental
EGE
Eagle County Regional
$229 Roundtrip, found 3 days ago
$229
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jan 10 from George Bush Intercontinental to Eagle County Regional, returning Sat, Jan 17, priced at $229 found 3 days ago
Sun, Nov 2 - Thu, Nov 6
DFW
Dallas-Fort Worth Intl.
GJT
Grand Junction Regional
$246 Roundtrip, found 6 days ago
$246
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Nov 2 from Dallas-Fort Worth Intl. to Grand Junction Regional, returning Thu, Nov 6, priced at $246 found 6 days ago
Tue, Jan 6 - Wed, Jan 21
IAH
George Bush Intercontinental
ASE
Pitkin County
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 6 from George Bush Intercontinental to Pitkin County, returning Wed, Jan 21, priced at $250 found 1 day ago

New Castle Flight Information

Traveling To
New Castle
Destination Airport IATA Code
DEN
Number of Airlines Serving
Airlines
Frontier Airlines, Southwest Airlines, United, American Airlines, Delta, JetBlue Airways, Alaska Airlines
Flight Price
$70
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

New Castle economy flight packages

Price found within the past 48 hours. Click for updated prices.
Hotel Indigo Silverthorne by IHG
3.5-star property

Hotel Indigo Silverthorne by IHG

Sep 17 - Sep 20

3 night stay

Dallas (DFW) to Denver (DEN)

Southwest Airlines • Coach

Denver (DEN) to Dallas (DFW)

Frontier Airlines • Coach
Save 100% on your flight
per person
found 1 day ago
Jackpine & Black Bear Condos
4.0-star property

Jackpine & Black Bear Condos

Sep 13 - Sep 20

7 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 1 day ago
The Springs Condos by Keystone Resort
4.0-star property

The Springs Condos by Keystone Resort

Sep 13 - Sep 20

7 night stay

Dallas (DFW) to Denver (DEN)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
per person
found 3 hours ago
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New Castle first class flight packages

Price found within the past 48 hours. Click for updated prices.
The Maven Hotel at Dairy Block
4.0-star property

The Maven Hotel at Dairy Block

9.4/10 Exceptional! (1,107 reviews)

Sep 19 - Sep 21

2 night stay

Newark Liberty Intl. Airport (EWR) to Denver (DEN)

United • Roundtrip • FirstClass
per person
found 21 hours ago
Great vibe. Unique.

Reviewed on Oct 27, 2024

Halcyon - a hotel in Cherry Creek
4.5-star property

Halcyon - a hotel in Cherry Creek

9.2/10 Wonderful! (1,002 reviews)

Sep 19 - Sep 21

2 night stay

Newark Liberty Intl. Airport (EWR) to Denver (DEN)

United • Roundtrip • FirstClass
per person
found 21 hours ago
Great staff and they go the extra mile for you!

Reviewed on Jun 10, 2024

The Crawford Hotel
5.0-star property

The Crawford Hotel

9.2/10 Wonderful! (1,001 reviews)

Sep 19 - Sep 21

2 night stay

Newark Liberty Intl. Airport (EWR) to Denver (DEN)

United • Roundtrip • FirstClass
per person
found 21 hours ago
Staff was amazing. Every restaurant we ate at in the hotel was great! Liked that the train dropped us off right there.

Reviewed on Jun 29, 2025

Don't see what you're looking for?
See all available trips from Newark Liberty Intl. Airport to New Castle
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New Castle

End your search for discount fares on flights to New Castle. Orbitz has all the best prices on New Castle flights. With Orbitz, you can expect:

Cheap Deals on Flights to New Castle

We offer big discounts and last-minute savings on New Castle flights. We make it easy for you to research, plan, and book your flight to New Castle — all while offering great low fares. With guaranteed low prices and cutting-edge mobile tools, the perfect trip begins on Orbitz.

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Get alerts, updates, or book your New Castle flight or other flights wherever you are. Download our free apps for iPhone, Android, and iPad or visit our mobile site at m.orbitz.com to conveniently review or change your air travel plans. We can also send free alerts about your New Castle flight to your email or mobile phone, so you get advance warning about potential disruptions and flight delays. Need to book a hotel with your New Castle flight? Access exclusive, mobile-only deals via our mobile site and free apps – even on the same day.

Great Customer Care

We want to make your travel booking experience smooth and easy, from planning and researching New Castle flights to the actual booking. If you want to cancel your flight to New Castle, many tickets can be conveniently cancelled online. Contact our Customer Service to make changes to your air ticket.

Miles or Points Toward Frequent Flyer Programs

Much like booking with an airline directly, you can earn frequent flyer miles or points on qualified flights to New Castle with Orbitz. When completing your booking, just fill in your frequent flyer number for the airline you are flying with or for one of its available partner airlines.

Frequently asked questions

Which airlines fly to New Castle?
Pack your luggage and head for New Castle with one of the 20 airlines that jet into the city. Wherever you're coming from or whenever you're traveling, you're sure to find the ideal flight to Pitkin County Airport (ASE). The leading domestic airlines that jet into ASE are:

  • United Airlines - 140 flights to New Castle per month
  • American Airlines - 52 flights to New Castle per month

How much is a flight to New Castle?
If you're searching for round-trip flights, fares ranged from $70 to $250 this week. The lowest one-way price was $59, originating in Houston (IAH).
How to book the cheapest flight to New Castle?
Snapping up cheap flights to New Castle is as simple as booking with Orbitz. But if you'd like to make sure you're grabbing the best flight deals around, here are some suggestions to keep in mind:

  • Taking off from or arriving at other airports can sometimes help you cut costs. Enter your preferred departure and arrival airports. Next, select the 'Nearby airports' function below to see what your options are.
  • Also, click on the 'Show flexible dates' option to bring up the fares on days around your selected departure. You may be able to find cheaper flight deals if you're flexible with your dates.
  • Hit 'Show options' to filter your search results. You can pick your preferred airline and seating class here. Under 'Sort & Filter' to the left, you can even specify whether you want to fly in the morning, afternoon or evening.
  • Lock in your fare as soon as you've decided on your travel dates. While you can get lucky on occasion, flights rarely drop in price as your date of departure nears.
  • Combine your flights, hotels and car rentals into one convenient package deal. Save your cash for things you're really excited about, like discovering every corner of New Castle.
  • Where possible, don't fly in the busy season. Airfares significantly increase during school breaks, summer and other vacation periods like Easter and Christmas.

What is the best time to book a flight to New Castle?
On average, the cheapest month to purchase a plane ticket is in January. This is followed by February and August. When looking for a cheap flight to New Castle, it always pays to be ready to book. Cheap deals emerge in an instant and don't wait around!
What day of the week is the cheapest to book a flight to New Castle?
To land a rewarding flight deal, make a booking on a Tuesday, Wednesday or Saturday. These are generally the cheapest days of the week to purchase seats to New Castle.
What is the cheapest day of the week to fly to New Castle?
You can pick up cheap flights to New Castle by flying out on a Monday, according to Orbitz data from 2020. Tuesday is also more affordable, while Saturday has the most expensive ticket prices. Whether you prefer to save money or fly out on whichever day is convenient, you'll always find a rewarding deal with Orbitz.
What is the cheapest month to fly to New Castle?
To secure cheap flights to New Castle, you should pack your suitcase and fly out in August. Orbitz data shows that generally, this is a great month to save big on your ticket. If you're eager to fly to New Castle during June, it's worth remembering that this is the most expensive time to travel.
Which airlines allow free cancellation?
We know that plans can change and flexibility is important. That's why you can search for flights that include free cancellation and no change fees on Orbitz. Just click on "Filter by flexible change policies" and we'll find you fares more flexible than candy in a hot car!
What do I need for the flight to New Castle?
Flying doesn't have to be a drag. In fact it can be a joy with a little pre-planning! Make your trip a comfortable one with the following helpful tips:

  • Your travel documents are the most important things you'll need to take with you on your flight to New Castle. To avoid any dramas during check-in, make sure that the information displayed on your ticket matches your government-issued photo ID.
  • To keep you amused on the short hop to New Castle, download some new music or restock the audiobook library on your tablet. Food can also be a delicious distraction while in the air, so take some light snacks.
  • No matter how hot it is outside, plane cabins can get a bit chilly. Bring a hoodie on board to keep yourself comfy.

How do I get cheap first-class/business deals to New Castle?
Smart travelers know how to find first or business-class flights to New Castle without the sky-high price tag. Be like them with these handy hints:

  • Flexibility is everything. By being open to a variety of travel dates, you'll have more chances of picking up a deal on your airfares.
  • Look for a low-cost airline that has business-class seats. They usually come with extra legroom and a glass of Champagne — and a more attractive price.
  • Bid for an upgrade in online auctions (if available) or upgrade your ticket through your loyalty program.

What is the best time to go to New Castle?
Anytime is an awesome time to vacation in New Castle, though February, May and June are the busiest months. Like most of the Northern Hemisphere, summer starts June 20. If you'd rather hang out in a lightweight top than a heavy winter coat, this time of the year would be perfect for you. Expect average daily highs of 75 ºF and nighttime lows around 50 ºF.

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.