Cheap flights from San Marcos starting at RM309

View RM309 flight on Mon, 13 Jul 2026Opens in a new window

Flight 1

Popular airlines from San Marcos

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  • Delta

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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.

Delta
Fri, 2 Oct - Mon, 5 Oct
SAN
San Diego
DEN
Denver
RM864 Return, just found
RM864
Return
just found
Select Delta flight, departing Fri, 2 Oct from San Diego to Denver, returning Mon, 5 Oct, priced at RM864 just found
United
Fri, 2 Oct - Mon, 5 Oct
SAN
San Diego
DEN
Denver
RM986 Return, just found
RM986
Return
just found
Select United flight, departing Fri, 2 Oct from San Diego to Denver, returning Mon, 5 Oct, priced at RM986 just found
Delta
Fri, 21 Aug - Sun, 23 Aug
SAN
San Diego
DEN
Denver
RM987 Return, found 4 hours ago
RM987
Return
found 4 hours ago
Select Delta flight, departing Fri, 21 Aug from San Diego to Denver, returning Sun, 23 Aug, priced at RM987 found 4 hours ago
Delta
Fri, 2 Oct - Mon, 5 Oct
SAN
San Diego
DEN
Denver
RM1,002 Return, just found
RM1,002
Return
just found
Select Delta flight, departing Fri, 2 Oct from San Diego to Denver, returning Mon, 5 Oct, priced at RM1,002 just found
United
Fri, 2 Oct - Mon, 5 Oct
SAN
San Diego
DEN
Denver
RM1,025 Return, just found
RM1,025
Return
just found
Select United flight, departing Fri, 2 Oct from San Diego to Denver, returning Mon, 5 Oct, priced at RM1,025 just found
United
Fri, 2 Oct - Mon, 5 Oct
SAN
San Diego
DEN
Denver
RM1,104 Return, just found
RM1,104
Return
just found
Select United flight, departing Fri, 2 Oct from San Diego to Denver, returning Mon, 5 Oct, priced at RM1,104 just found
Delta
Fri, 21 Aug - Sun, 23 Aug
SAN
San Diego
DEN
Denver
RM1,108 Return, found 4 hours ago
RM1,108
Return
found 4 hours ago
Select Delta flight, departing Fri, 21 Aug from San Diego to Denver, returning Sun, 23 Aug, priced at RM1,108 found 4 hours ago
United
Fri, 2 Oct - Mon, 5 Oct
SAN
San Diego
DEN
Denver
RM1,124 Return, just found
RM1,124
Return
just found
Select United flight, departing Fri, 2 Oct from San Diego to Denver, returning Mon, 5 Oct, priced at RM1,124 just found
Delta
Thu, 1 Oct - Mon, 5 Oct
SAN
San Diego
DEN
Denver
RM1,142 Return, just found
RM1,142
Return
just found
Select Delta flight, departing Thu, 1 Oct from San Diego to Denver, returning Mon, 5 Oct, priced at RM1,142 just found
American Airlines
Thu, 1 Oct - Mon, 5 Oct
SAN
San Diego
DEN
Denver
RM1,440 Return, just found
RM1,440
Return
just found
Select American Airlines flight, departing Thu, 1 Oct from San Diego to Denver, returning Mon, 5 Oct, priced at RM1,440 just found

Travel information

Flights from San Marcos: Essential Travel Information

Cheapest flight from San Marcos
RM864 (roundtrip)
Best airlines to fly from San Marcos
Delta, United, American Airlines
Cheapest month to fly from San Marcos
October
San Marcos IATA code
SAN
San Marcos Country/State
California
Airline ticket deals from San Marcos
RM864 - RM1,440

 

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