$145 Find Cheap Flights from Portland to San Antonio - Compare and Save

Two cabin classes are available on flights from Portland to San Antonio:

• Economy Class
• First Class

A nonstop flight from Portland to San Antonio takes 00m, covering 1,712 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Portland to San Antonio range from $361 to $504, with an average of $422 over the past 12 months. Anything below $361 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 39% above the $422 route average. Book 13 weeks before departure for the lowest fares.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $267 to $1,442. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Portland to San Antonio are currently lower than usual. Average one-way flight prices are about $197, which is 24% below the typical average for this route.

San Antonio Airport (SAT) hosts 5 major car rental companies, with daily rates averaging $52 for economy cars. Top options include:

• Europcar
• Fox
• Dollar
• Hertz
• Alamo

Flights from Portland to San Antonio usually depart from Portland (PDX) and arrive at San Antonio (SAT).

One-stop flights from Portland to San Antonio most commonly connect through:

• Denver Intl (DEN) - 31% of one-stop connections
• Salt Lake City (SLC) - 16% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 14% of one-stop connections
• Dallas/Fort Worth (DFW) - 13% of one-stop connections

Yes. Flexible dates can save you up to 21% on flights from Portland to San Antonio. Tuesday is the cheapest departure day at $371 round-trip on average, while Saturday is the most expensive at $469, a difference of $98.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Dallas Love Field (DAL) gives the shortest average 1-stop total travel time at 5h 51m, compared with 6h via Salt Lake City (SLC) and 6h 29m via Phoenix Sky Harbor Intl (PHX).

San Antonio is 2 hours ahead of Portland (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in San Antonio are San Antonio River Walk, SeaWorld San Antonio and Alamodome. These are among the most viewed places in San Antonio on KAYAK.

Portland International Airport offers a variety of safe parking options to passengers at different rates, which include short-term parking, long-term parking, economy parking, and valet parking. The cheapest parking option is the economy parking lot, while valet parking is the most expensive but most convenient. Passengers using the airport’s parking can pay using Visa, MasterCard, Discover, American Express, debit cards, and cash.

San Antonio International Airport provides passengers with multiple accessibility facilities to improve the passenger experience. These facilities include designated parking for disabled passengers and family and accessible restrooms in each of the terminals. Additionally, the airport uses Aira to give assistance to passengers with visual impairments, as well as providing TTY phones at the gate concourse and ticket counter lobby of Terminal A, and concourse walkway at Terminal B.

Portland’s light rail system is the most convenient method to go from Portland's downtown to the airport. The travel from downtown Portland to the airport on the MAX Red Line takes less than 40min. Every day at 4:45 a.m., the first train arrives at the airport. Alternatively, you can drive to the airport or take a taxi, which will save you approximately 20min.

When in Portland International Airport with children, make sure to visit the kids’ play areas, one of which is located close to gate C17 on Concourse C, and the other before security close to the D/E security checkpoint. The airport also provides two nursing rooms at the main terminal at Concourse B and D for the convenience of breastfeeding moms.