Cheap flights To San Marcos (SAN) from $70

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Cheap Flights to San Marcos from $70 One Way, $125 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, May 16 - Tue, May 19
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$125 Roundtrip, found 6 days ago
$125
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, May 19, priced at $125 found 6 days ago
Wed, Apr 22 - Mon, Apr 27
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$139 Roundtrip, found 1 day ago
$139
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Apr 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Mon, Apr 27, priced at $139 found 1 day ago
Tue, May 26 - Tue, Jun 2
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$142 Roundtrip, found 1 hour ago
$142
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, May 26 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, Jun 2, priced at $142 found 1 hour ago
Tue, Apr 21 - Wed, Apr 22
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$145 Roundtrip, found 1 hour ago
$145
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Apr 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Wed, Apr 22, priced at $145 found 1 hour ago
Sat, May 16 - Tue, May 19
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$145 Roundtrip, found 6 days ago
$145
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, May 16 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, May 19, priced at $145 found 6 days ago
Mon, Apr 20 - Tue, Apr 28
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Apr 20 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, Apr 28, priced at $147 just found
Tue, Apr 21 - Wed, Apr 22
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$149 Roundtrip, found 1 hour ago
$149
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Apr 21 from Seattle - Tacoma Intl. to San Diego Intl., returning Wed, Apr 22, priced at $149 found 1 hour ago
Sat, Apr 25 - Tue, Apr 28
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$151 Roundtrip, found 1 day ago
$151
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Apr 25 from Seattle - Tacoma Intl. to San Diego Intl., returning Tue, Apr 28, priced at $151 found 1 day ago
Wed, Apr 22 - Wed, Apr 29
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$152 Roundtrip, found 22 hours ago
$152
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Wed, Apr 22 from Seattle - Tacoma Intl. to San Diego Intl., returning Wed, Apr 29, priced at $152 found 22 hours ago
Tue, Apr 28 - Sat, May 2
SEA
Seattle - Tacoma Intl.
SAN
San Diego Intl.
$154 Roundtrip, found 4 days ago
$154
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Apr 28 from Seattle - Tacoma Intl. to San Diego Intl., returning Sat, May 2, priced at $154 found 4 days ago

San Marcos Flight Information

Traveling To
San Marcos
Destination Airport IATA Code
SAN
Number of Airlines Serving
Airlines
Southwest Airlines, American Airlines, Delta, Alaska Airlines
Flight Price
$125
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

San Marcos economy flight packages

Price found within the past 48 hours. Click for updated prices.
The Sofia Hotel
3.5-star property

The Sofia Hotel

Apr 18 - Apr 25

7 night stay

Boston (BOS) to San Diego (SAN)

American Airlines • Non-stop roundtrip • Coach
Price was $2,441, price is now $1,228 per person
$1,228
per person
found 1 day ago
Shore House at The Del, LXR Hotels & Resorts
5.0-star property

Shore House at The Del, LXR Hotels & Resorts

May 11 - May 16

5 night stay

Boston (BOS) to San Diego (SAN)

JetBlue Airways • Roundtrip • Coach
Save 100% on your flight
Price was $2,613, price is now $1,711 per person
$1,711
per person
found 1 day ago
Hot Tub BBQ Island Outdoor Living Near San Diego Beaches Glidden Glow by Avantstay
3.0-star property

Hot Tub BBQ Island Outdoor Living Near San Diego Beaches Glidden Glow by Avantstay

May 7 - May 14

7 night stay

Boston (BOS) to San Diego (SAN)

JetBlue Airways • Roundtrip • Coach
Save 100% on your flight
Price was $1,889, price is now $1,274 per person
$1,274
per person
found 21 hours ago
Don't see what you're looking for?
See all available trips from Boston to San Marcos
View all trips

San Marcos premium economy flight packages

Price found within the past 48 hours. Click for updated prices.
The Sofia Hotel
3.5-star property

The Sofia Hotel

8.6/10 Excellent! (1,818 reviews)

May 9 - May 16

7 night stay

Boston (BOS) to San Diego (SAN)

JetBlue Airways • PremiumEconomy

San Diego (SAN) to Boston (BOS)

Delta • PremiumEconomy
Price was $1,379, price is now $898 per person
$898
per person
found 8 hours ago
Beautiful historical hotel, amazing location a few minutes from the port, incredibly fast checkin, room had character and stay was perfect

Reviewed on Jan 5, 2026

Shore House at The Del, LXR Hotels & Resorts
5.0-star property

Shore House at The Del, LXR Hotels & Resorts

9.2/10 Wonderful! (130 reviews)

May 9 - May 16

7 night stay

Boston (BOS) to San Diego (SAN)

JetBlue Airways • PremiumEconomy

San Diego (SAN) to Boston (BOS)

Delta • PremiumEconomy
Save 100% on your flight
Price was $3,758, price is now $2,186 per person
$2,186
per person
found 8 hours ago
Very nice and right on the beach!

Reviewed on Jul 22, 2024

Beach Village at The Del, LXR Hotels & Resorts
5.0-star property

Beach Village at The Del, LXR Hotels & Resorts

9.2/10 Wonderful! (127 reviews)

May 9 - May 16

7 night stay

Boston (BOS) to San Diego (SAN)

JetBlue Airways • PremiumEconomy

San Diego (SAN) to Boston (BOS)

Delta • PremiumEconomy
Save 100% on your flight
Price was $4,769, price is now $3,037 per person
$3,037
per person
found 8 hours ago
Don't see what you're looking for?
See all available trips from Boston to San Marcos
View all trips

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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.