$54 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 $54 One Way, $108 Round Trip from Carlsbad to Boulder
Prices starting at $108 for return flights and $54 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
Catbird Hotel
Jun 29 - Jul 6
San Diego (SAN) to Denver (DEN)
Denver (DEN) to San Diego (SAN)
Reviewed on May 4, 2026
Patterson Inn
Jun 29 - Jul 6
San Diego (SAN) to Denver (DEN)
Denver (DEN) to San Diego (SAN)
Reviewed on Sep 28, 2025
Populus
Jun 29 - Jul 6
San Diego (SAN) to Denver (DEN)
Denver (DEN) to San Diego (SAN)
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
Low Cost Flights From Carlsbad to Boulder
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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.