₩84,900 Cheap flights from New Castle, CO

View ₩84,900 flight on Thu, Apr 2, 2026Opens in a new window

Popular airlines from New Castle

  • American Airlines

  • Alaska Airlines

  • United

  • Frontier Airlines

  • Delta

  • Southwest Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from New Castle

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Apr 2 - Sun, Apr 5
DEN
Denver
SAN
San Diego
₩169,700 Roundtrip, found 5 days ago
₩169,700
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Thu, Apr 2 from Denver to San Diego, returning Sun, Apr 5, priced at ₩169,700 found 5 days ago
Delta
Thu, Apr 23 - Mon, Apr 27
DEN
Denver
LAX
Los Angeles
₩206,400 Roundtrip, found 1 day ago
₩206,400
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Apr 23 from Denver to Los Angeles, returning Mon, Apr 27, priced at ₩206,400 found 1 day ago
Delta
Sat, Apr 18 - Mon, Apr 20
DEN
Denver
LAX
Los Angeles
₩206,900 Roundtrip, found 4 days ago
₩206,900
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Apr 18 from Denver to Los Angeles, returning Mon, Apr 20, priced at ₩206,900 found 4 days ago
United
Thu, Apr 2 - Sun, Apr 5
DEN
Denver
SAN
San Diego
₩220,600 Roundtrip, found 5 days ago
₩220,600
Roundtrip
found 5 days ago
Select United flight, departing Thu, Apr 2 from Denver to San Diego, returning Sun, Apr 5, priced at ₩220,600 found 5 days ago
Delta
Thu, Apr 2 - Sun, Apr 5
DEN
Denver
SAN
San Diego
₩227,600 Roundtrip, found 5 days ago
₩227,600
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Apr 2 from Denver to San Diego, returning Sun, Apr 5, priced at ₩227,600 found 5 days ago
Delta
Sat, Apr 18 - Sun, Apr 19
DEN
Denver
LAX
Los Angeles
₩256,800 Roundtrip, found 6 days ago
₩256,800
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Apr 18 from Denver to Los Angeles, returning Sun, Apr 19, priced at ₩256,800 found 6 days ago
United
Thu, Apr 23 - Mon, Apr 27
DEN
Denver
LAX
Los Angeles
₩257,100 Roundtrip, found 1 day ago
₩257,100
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 23 from Denver to Los Angeles, returning Mon, Apr 27, priced at ₩257,100 found 1 day ago
Delta
Sat, Apr 18 - Mon, Apr 20
DEN
Denver
LAX
Los Angeles
₩257,500 Roundtrip, found 4 days ago
₩257,500
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Apr 18 from Denver to Los Angeles, returning Mon, Apr 20, priced at ₩257,500 found 4 days ago
United
Sat, Apr 18 - Sun, Apr 19
DEN
Denver
LAX
Los Angeles
₩262,600 Roundtrip, found 6 days ago
₩262,600
Roundtrip
found 6 days ago
Select United flight, departing Sat, Apr 18 from Denver to Los Angeles, returning Sun, Apr 19, priced at ₩262,600 found 6 days ago
American Airlines
Sat, Apr 18 - Mon, Apr 20
DEN
Denver
DFW
Dallas
₩288,600 Roundtrip, found 6 days ago
₩288,600
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Apr 18 from Denver to Dallas, returning Mon, Apr 20, priced at ₩288,600 found 6 days ago

Travel information

Flights from New Castle: Essential Travel Information

Cheapest flight from New Castle
₩169,700 (roundtrip)
Best airlines to fly from New Castle
Hawaiian Airlines, Delta, United, American Airlines
Cheapest month to fly from New Castle
April
New Castle IATA code
DEN
New Castle Country/State
Colorado
Airline ticket deals from New Castle
₩169,700 - ₩288,600

 

*Available to Expedia members.