$19 Cheap flight deals from Carlsbad (SAN) to Boulder (DEN)
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This Weekend's Flight Deals from Carlsbad to Boulder
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $19 One Way, $38 Round Trip from Carlsbad to Boulder
Prices starting at $38 for return flights and $19 for one-way flights to Boulder were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Boulder economy flight packages
Holiday Inn Express & Suites Denver Ne - Brighton by IHG
Feb 18 - Feb 22
San Diego (SAN) to Denver (DEN)
Reviewed on Nov 23, 2024
Populus
Feb 18 - Feb 22
San Diego (SAN) to Denver (DEN)
Reviewed on Sep 11, 2025
More About Flying To Boulder from Carlsbad
Route Information for Flights from Carlsbad to Boulder
Origin Airport IATA Code | SAN |
|---|---|
Destination Airport IATA Code | DEN |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Carlsbad to Boulder
It has never been easier to find cheap Carlsbad to Boulder flights. Orbitz has some of the best deals around to save you more money on your flight, hotel, and vacation package for the trip you have been waiting for.
Plan Your Carlsbad to Boulder Flights on the Go
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Get the Best Deals on Carlsbad to Boulder Flights
Finding great deals on flights from Carlsbad to Boulder is a snap with Orbitz. With our guaranteed low prices, you don’t have to worry if you are getting the best prices on air tickets, hotels, and cruises. And with all that money you saved, you can enjoy your Boulder vacation even more.
Pile Up Miles With Discount Air Tickets
Not only can you find great bargains on Carlsbad to Boulder flights, but you can rack up frequent flyer miles on the flights too. Enter your frequent flyer number on qualified flights when booking for Orbitz to see the miles pile up in your account.
Flight Alerts Keep You Informed
Stay on top of the latest updates for flights from Carlsbad to Boulder. We send you free email and mobile alerts to keep you informed about delays to Carlsbad to Boulder flights.
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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.