$41 Cheap flight deals from Denver (DEN) to Castroville (SAT)

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This Weekend's Flight Deals from Denver to Castroville

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.

Sun, Apr 5 - Sat, Apr 11
DEN
Denver Intl.
SAT
San Antonio Intl.
$158 Roundtrip, found 4 hours ago
$158
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sun, Apr 5 from Denver Intl. to San Antonio Intl., returning Sat, Apr 11, priced at $158 found 4 hours ago

Airfares from $41 One Way, $73 Round Trip from Denver to Castroville

Prices starting at $73 for return flights and $41 for one-way flights to Castroville were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 15 - Mon, Apr 20
DEN
Denver
SAT
San Antonio
$73 Roundtrip, found 12 hours ago
$73
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Wed, Apr 15 from Denver to San Antonio, returning Mon, Apr 20, priced at $73 found 12 hours ago
Wed, Apr 8 - Sat, Apr 11
DEN
Denver
SAT
San Antonio
$81 Roundtrip, found 1 day ago
$81
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Apr 8 from Denver to San Antonio, returning Sat, Apr 11, priced at $81 found 1 day ago
Mon, Apr 27 - Tue, Apr 28
DEN
Denver
SAT
San Antonio
$84 Roundtrip, found 1 day ago
$84
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Apr 27 from Denver to San Antonio, returning Tue, Apr 28, priced at $84 found 1 day ago
Mon, Apr 27 - Tue, Apr 28
DEN
Denver
SAT
San Antonio
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select United flight, departing Mon, Apr 27 from Denver to San Antonio, returning Tue, Apr 28, priced at $205 found 1 day ago
Mon, Apr 27 - Tue, Apr 28
DEN
Denver
SAT
San Antonio
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Mon, Apr 27 from Denver to San Antonio, returning Tue, Apr 28, priced at $205 found 1 day ago

Castroville economy flight packages

Price found within the past 48 hours. Click for updated prices.
The Continental, powered by Placemakr - Downtown - Market Square
3.5-star property

The Continental, powered by Placemakr - Downtown - Market Square

9.6/10 Exceptional! (84 reviews)

Apr 30 - May 3

3 night stay

Denver (DEN) to San Antonio (SAT)

Southwest Airlines • Coach

San Antonio (SAT) to Denver (DEN)

Frontier Airlines • Coach
Price was $572, price is now $429 per person
$429
per person
found 1 day ago
Signia by Hilton La Cantera Resort & Spa
4.0-star property

Signia by Hilton La Cantera Resort & Spa

9/10 Wonderful! (1,031 reviews)

May 7 - May 10

3 night stay

Denver (DEN) to San Antonio (SAT)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $855, price is now $540 per person
$540
per person
found 5 hours ago
We had a great time.

Reviewed on Aug 5, 2025

The St. Anthony, A Luxury Collection Hotel, San Antonio
4.5-star property

The St. Anthony, A Luxury Collection Hotel, San Antonio

8.8/10 Excellent! (1,004 reviews)

May 22 - May 25

3 night stay

Denver (DEN) to San Antonio (SAT)

Southwest Airlines • Coach

San Antonio (SAT) to Denver (DEN)

Frontier Airlines • Coach
Price was $854, price is now $640 per person
$640
per person
found 2 hours ago
The service was excellent, beautiful property. Only downside was the smell - reminded me of very old European properties with a vague sewer smell in the room like the drains do not have proper traps. Common areas smelled fine. Valet was overpriced, the bar was excellent!

Reviewed on Sep 14, 2025

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More About Flying To Castroville from Denver

Route Information for Flights from Denver to Castroville

Origin Airport IATA Code
DEN
Destination Airport IATA Code
SAT
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Denver to Castroville

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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.