Cheap Flights To Castle Rock 2026

Castle Rock Flights as Low as $308

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.

Frontier Airlines
Frontier Airlines
Delta
Tue, Nov 17 - Tue, Dec 8
BWI
Baltimore Washington Intl. Thurgood Marshall
PDX
Portland Intl.
$323
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Nov 17 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl., returning Tue, Dec 8, priced at $323 found 1 day ago
Frontier Airlines
Delta
Wed, Nov 18 - Wed, Nov 25
BWI
Baltimore Washington Intl. Thurgood Marshall
PDX
Portland Intl.
$343
Roundtrip
just found
Select Delta flight, departing Wed, Nov 18 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl., returning Wed, Nov 25, priced at $343 just found
Frontier Airlines
Frontier Airlines
Frontier Airlines
United
Tue, Jun 1 - Wed, Jun 2
BWI
Baltimore Washington Intl. Thurgood Marshall
PDX
Portland Intl.
$350
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jun 1 from Baltimore Washington Intl. Thurgood Marshall to Portland Intl., returning Wed, Jun 2, priced at $350 found 1 day ago
Frontier Airlines
Frontier Airlines
Frontier Airlines
Alaska Airlines
American Airlines
Alaska Airlines
Wed, Oct 28 - Tue, Nov 3
BWI
Baltimore Washington Intl. Thurgood Marshall
SEA
Seattle - Tacoma Intl.
$397
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Baltimore Washington Intl. Thurgood Marshall to Seattle - Tacoma Intl., returning Tue, Nov 3, priced at $397 found 4 hours ago
Southwest Airlines

Castle Rock Flight Travel Guide

Book your next flight to (airport) if Castle Rock is calling your name. And with the AARP Travel Center Powered by Expedia®, you're taken care of. With the best rates from Expedia combined with members-only discounts, AARP Travel offers members the best price in travel, guaranteed.

AARP members get exclusive rates on:

  • Hotels
  • Car rentals
  • Flights
  • Waived booking fees on flights

Whether this trip is for business or pleasure–we will help you get there (without breaking the bank).

Castle Rock Airport Transportation

Once you have reserved plane tickets to Castle Rock, you might want to book a vehicle so you can get around the city. You can request a Castle Rock rental car under our cars tab and jump in the driver's seat right when you step out of the airport. For more information, check out the Castle Rock Car Rentals Guide.

Things to Do in Castle Rock

If you aren't sure where to start, we can help you with that as well. Not to worry—there's plenty to do in this city. Castle Rock has so much to do, and we can help you get started.

If you're looking for some fun activities to do in Castle Rock, make sure you look at our "Things to Do in Castle Rock" page for activities and excursions for the whole clan.

Book Your Hotel in Castle Rock

Castle Rock has hotel options in the area, so you'll have no problems finding a place to stay close to all the things you want to see. If you need to stay close to an attraction or the airport in Castle Rock, check out our hotel listings page. No matter where you stay, just remember that you'll get the best for your trip when you stay with AARP Travel.

Book Your Castle Rock Trip Now

We know that you want to focus more on the fun stuff and less on the airfare prices, so we provide travel arrangements that fall within your budget. There is no better time than now to start booking your next trip. Book one of our flights today.