Cheap flights from Portland, OR to San Antonio, TX
Flights starting at £45. Choose between Alaska Airlines, Spirit Airlines, or Frontier Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to San Antonio
Cheapest one-way trip | £134 |
---|---|
Cheapest round-trip | £268 |
Most popular airline | Alaska Airlines |
Looking for a different city?
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Alaska Airlines, Spirit Airlines, Frontier Airlines, United Airlines, and JetBlue Airways. Portland and San Antonio have 192 direct flights per week.
Check-in for a flight from Portland to San Antonio
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in San Antonio
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Portland
- Flights from Portland to London
- Flights from Portland to San Francisco
- Flights from Portland to Dublin
- Flights from Portland to Phoenix
- Flights from Portland to Washington, D.C.
- Flights from Portland to Atlanta
- Flights from Portland to Denver
- Flights from Portland to Las Vegas
- Flights from Portland to Los Angeles
- Flights from Portland to St. Louis
- Flights from Portland to Barcelona
- Flights from Portland to New York
- Flights from Portland to Austin
- Flights from Portland to San Diego
- Flights from Portland to Chicago
- Flights from Portland to Bangkok
- Flights from Portland to Tallinn
- Flights from Portland to Minneapolis
- Flights from Portland to Santa Ana
- Flights from Portland to Philadelphia
Flights to San Antonio
- Flights from London to San Antonio
- Flights from Reykjavik to San Antonio
- Flights from Manila to San Antonio
- Flights from Manchester to San Antonio
- Flights from Las Vegas to San Antonio
- Flights from Taipei to San Antonio
- Flights from Frankfurt to San Antonio
- Flights from Phuket City to San Antonio
- Flights from Toronto to San Antonio
- Flights from Aguadilla to San Antonio
- Flights from Dublin to San Antonio
- Flights from Atlanta to San Antonio
- Flights from New Orleans to San Antonio
- Flights from San Juan to San Antonio
- Flights from Phoenix to San Antonio
- Flights from Paris to San Antonio
- Flights from San Diego to San Antonio
- Flights from Salt Lake City to San Antonio
- Flights from Orlando to San Antonio
- Flights from Tapachula to San Antonio
Popular routes
- Flights from Singapore to Jakarta
- Flights from Omaha to Atlanta
- Flights from Kahului to Phoenix
- Flights from Memphis to Cali
- Flights from Guadalajara to Amman
- Flights from Phoenix to Kahului
- Flights from Kuwait City to Santa Marta
- Flights from Barcelona to New Delhi
- Flights from Chennai to San José
- Flights from Grand Rapids to Santo Domingo
- Flights from London to Athens
- Flights from Frankfurt to Lima
Airports near Portland
- Seattle–Tacoma International
- Portland International
- Eugene
- Roberts Field
- Kenmore Air Harbor Seaplane Base
- Yakima Air Terminal