$60 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 $60 One Way, $98 Round Trip from Carlsbad to Boulder
Prices starting at $98 for return flights and $60 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
River Mountain Lodge, A Vail Resorts Property
Jan 3 - Jan 8
San Diego (SAN) to Denver (DEN)
Denver (DEN) to San Diego (SAN)
Reviewed on Nov 9, 2026
Gravity Haus Breckenridge
Jan 3 - Jan 8
San Diego (SAN) to Denver (DEN)
Denver (DEN) to San Diego (SAN)
Reviewed on Nov 9, 2026
Boulder first class flight packages
Hotel Teatro
Dec 23 - Dec 28
Carlsbad (CLD) to Denver (DEN)
Reviewed on Nov 8, 2026
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
If you are looking for guaranteed low prices on flights from Carlsbad to Boulder, then look no further than Orbitz. Orbitz offers everything you need to plan the perfect trip—from cheap deals and bargain holiday packages to cutting-edge mobile tools.
Your Perfect BoulderVacation Package
Orbitz gives you access to exclusive deals and discounts on flights from Carlsbad to Boulder. Mix and match hotels and Carlsbad to Boulder flights to create your dream vacation. All your options are displayed at a glance with the Orbitz Matrix Display, which shows your package savings and built-in extras, such as free nights.
Stress free Searches Even on the Move
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Don’t Forget the Car Rental
Need a car after your Carlsbad to Boulder flights? Not only do you get great rental deals when you book in advance with Orbitz, we can send your flight details to the car rental company, so it knows when your flight from Carlsbad to Boulder is delayed.
Low Price Guarantee
With the best deals and easy searching options, Orbitz make it easy and fun to find cheap Carlsbad to Boulder flights, a great hotel, or a full vacation package. With Orbitz’s low price guarantee, you always get great discounts on air ticket prices.
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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.