$23 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 $23 One Way, $51 Round Trip from Carlsbad to Boulder
Prices starting at $51 for return flights and $23 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
Comfort Suites Highlands Ranch Denver Tech Center Area
Apr 9 - Apr 13
San Diego (SAN) to Denver (DEN)
Reviewed on Aug 5, 2025
The Maven Hotel at Dairy Block
Apr 19 - Apr 22
San Diego (SAN) to Denver (DEN)
Reviewed on Nov 29, 2025
Gravity Haus Denver
Apr 19 - Apr 22
San Diego (SAN) to Denver (DEN)
Reviewed on Jul 26, 2024
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
Planning a trip is rarely straight forward, especially when searching for cheap deals. At Orbitz.com, we make it easier than anywhere else by providing you with guaranteed low prices. So if you are looking for Carlsbad to Boulder flights at low cost, you will not be disappointed.
Cruising for a bargain deal
Regardless of your destination, we always provide you fantastic bargains for your trip, and that includes on hotels and even cruises. We offer budget air fares on flights from Carlsbad to Boulder so you can reach your destination with more money in your pocket to spend.
Cheap Carlsbad to Boulder flights that lead to rewards
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Quality combinations
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Even last minute bookings on our apps
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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.