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$73+ Cheap flights from Portland to San Antonio (PDX - SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SAT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to San Antonio are usually found in August or September, booked 19 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Portland to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 30, 2025.

Round-trip from

$185
(CheapOair)

One-way from

$73
(CheapOair)

Popular in

December

Cheapest in

August

Average price

$396
From Portland to San Antonio
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One-way flight from Portland to San Antonio
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Portland to San Antonio

Cheapest flights from Portland to San Antonio
Explore the most affordable flight options available from Portland to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This CheapOair deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:04 pmPDX - SAT
1 stop6h 51mSpirit Airlines
Mon 10/206:00 amSAT - PDX
1 stop15h 04mSpirit Airlines
Deal found 7/28$185
This CheapOair deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:05 amPDX - SAT
1 stop7h 09mMultiple Airlines
Sat 11/16:00 amSAT - PDX
1 stop15h 04mMultiple Airlines
Deal found 7/29$207
This FlightHub deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/3012:25 pmPDX - SAT
1 stop28h 48mFrontier
Tue 8/56:59 pmSAT - PDX
1 stop6h 25mFrontier
Deal found 7/28$245
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/265:34 amPDX - SAT
1 stop11h 00mAmerican Airlines
Sat 8/309:15 amSAT - PDX
1 stop11h 37mAmerican Airlines
Deal found 7/29$283
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:50 amPDX - SAT
1 stop9h 05mDelta
Sat 11/16:25 amSAT - PDX
1 stop8h 16mDelta
Deal found 7/30$287

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Portland to San Antonio that are best for you.

Fly from

Portland

Fly to

San Antonio

Route

Depart

Return

Price

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Wed 10/15

8:04 pm-4:55 am

1 stop6h 51m

San Antonio

Mon 10/20

6:00 am-7:04 pm

1 stop15h 04m

$185

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Sat 10/25

6:05 am-3:14 pm

1 stop7h 09m

San Antonio

Sat 11/1

6:00 am-7:04 pm

1 stop15h 04m

$207

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 10/10

6:05 am-2:33 pm

1 stop6h 28m

San Antonio

Mon 10/13

3:28 pm-12:16 am

1 stop10h 48m

$258

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 8/26

5:34 am-6:34 pm

1 stop11h 00m

San Antonio

Sat 8/30

9:15 am-6:52 pm

1 stop11h 37m

$283

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 10/24

12:50 am-11:55 am

1 stop9h 05m

San Antonio

Sat 11/1

6:25 am-12:41 pm

1 stop8h 16m

$287

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 9/9

12:07 pm-8:52 pm

1 stop6h 45m

$73

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Sat 8/30

6:27 am-2:35 pm

1 stop6h 08m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Portland to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to San Antonio

How far ahead should I book a flight from Portland to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Portland to San Antonio. Price data was last updated on July 25, 2025.

Booking 19 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Portland to San Antonio (average of $295). Flying from Portland to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to SAT?

Find hourly flight availability from Portland to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

It’s optimal to fly from Portland to San Antonio in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Portland to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Portland to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to San Antonio flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated July 30, 2025.
Read reviews from past customers who have flown Delta, American Airlines, and Spirit Airlines from Portland to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,048 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,237 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Portland to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland to San Antonio round-trip?

    Flying on Spirit Airlines is currently your cheapest option to San Antonio, with prices starting at $185. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $248 and $283, respectively. Spirit Airlines is currently priced 52% below the average price you’ll pay for this route.

  • Where are the most common layover locations when flying from Portland to San Antonio?

    Portland to San Antonio flights have a layover in Las Vegas most often.

  • What are some popular things to do or see while on a layover in Las Vegas?

    Fremont Street Experience, The Colosseum at Caesars Palace, and Stratosphere Tower are currently the most popular points of interest in Las Vegas at the moment. Those on a layover in Las Vegas interested in visiting Fremont Street Experience, The Colosseum at Caesars Palace, or Stratosphere Tower can do so by traveling 5.9 mi, 2.6 mi, and 4.3 mi, respectively from Las Vegas Harry Reid Intl. Those landing in Las Vegas looking to spend some time exploring during their layover can rent a car for about $62 per day.

  • Where are the least popular layover locations for Portland to San Antonio flights?

    The least popular layover on flights from Portland to San Antonio is Las Vegas.

  • Can I find deals for flights from Portland to San Antonio that include hotel bookings?

    Yes. In addition to deals on Portland to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to San Antonio.

  • Can I find deals for business class flights from Portland to San Antonio?

    Yes. Cheapflights offers flight deals from Portland to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Portland to San Antonio (average of $295). Flying from Portland to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels

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Top 7 airlines flying from Portland to San Antonio

Discover the top 7 airlines that operate flights from Portland to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$112Average$263FlexibilityNo cancel feeOn-time65%
FrontierCheapest$118Average$223FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$254Average$373FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$277Average$491FlexibilityNo cancel feeOn-time75%
DeltaCheapest$279Average$379FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$284Average$432FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$295Average$433FlexibilityNo cancel feeOn-time63%

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