Cheap Flights from San Marcos from €51

View €51 flight on Wed, 13 May 2026Opens in a new window

Flight 1

Popular airlines from San Marcos

  • American Airlines

  • Alaska Airlines

  • United

  • Delta

  • Southwest Airlines

  • Frontier Airlines

  • JetBlue Airways

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheapest flights from San Marcos

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 7 May - Wed, 20 May
SAN
San Diego
SFO
San Francisco
€86 Return, found 6 days ago
€86
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 7 May from San Diego to San Francisco, returning Wed, 20 May, priced at €86 found 6 days ago
Alaska Airlines
Sat, 25 Apr - Sat, 2 May
SAN
San Diego
SFO
San Francisco
€101 Return, found 5 days ago
€101
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 25 Apr from San Diego to San Francisco, returning Sat, 2 May, priced at €101 found 5 days ago
Alaska Airlines
Sat, 2 May - Tue, 5 May
SAN
San Diego
LAS
Las Vegas
€135 Return, found 6 days ago
€135
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 2 May from San Diego to Las Vegas, returning Tue, 5 May, priced at €135 found 6 days ago
Delta
Sat, 25 Apr - Sat, 2 May
SAN
San Diego
SFO
San Francisco
€135 Return, found 5 days ago
€135
Return
found 5 days ago
Select Delta flight, departing Sat, 25 Apr from San Diego to San Francisco, returning Sat, 2 May, priced at €135 found 5 days ago
American Airlines
Thu, 7 May - Wed, 20 May
CLD
Carlsbad
SFO
San Francisco
€136 Return, found 6 days ago
€136
Return
found 6 days ago
Select American Airlines flight, departing Thu, 7 May from Carlsbad to San Francisco, returning Wed, 20 May, priced at €136 found 6 days ago
American Airlines
Fri, 17 Apr - Sun, 19 Apr
CLD
Carlsbad
DEN
Denver
€138 Return, found 5 days ago
€138
Return
found 5 days ago
Select American Airlines flight, departing Fri, 17 Apr from Carlsbad to Denver, returning Sun, 19 Apr, priced at €138 found 5 days ago
American Airlines
Sat, 25 Apr - Sat, 2 May
SAN
San Diego
DEN
Denver
€138 Return, found 5 days ago
€138
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Apr from San Diego to Denver, returning Sat, 2 May, priced at €138 found 5 days ago
Alaska Airlines
Tue, 2 Jun - Tue, 16 Jun
SAN
San Diego
SEA
Seattle
€144 Return, found 1 day ago
€144
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue, 2 Jun from San Diego to Seattle, returning Tue, 16 Jun, priced at €144 found 1 day ago
United
Tue, 12 May - Tue, 19 May
CLD
Carlsbad
SFO
San Francisco
€163 Return, found 4 days ago
€163
Return
found 4 days ago
Select United flight, departing Tue, 12 May from Carlsbad to San Francisco, returning Tue, 19 May, priced at €163 found 4 days ago
JetBlue Airways
Wed, 29 Apr - Tue, 5 May
SAN
San Diego
JFK
New York
€241 Return, found 2 days ago
€241
Return
found 2 days ago
Select JetBlue Airways flight, departing Wed, 29 Apr from San Diego to New York, returning Tue, 5 May, priced at €241 found 2 days ago
*Available to Expedia members.