How long is the flight from Portland to San Antonio?

There are many flights that can get you from Portland to San Antonio in 8h 20m. Fly via Southwest, Delta, or Alaska Airlines to get the fastest option. The distance between Portland and San Antonio is about 1712 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Flying on Frontier is currently your cheapest option to San Antonio, with prices starting at $135. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $144 and $220, respectively. Frontier is currently priced 65% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Portland to San Antonio one-way?

$69 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Delta, with prices starting from $77 and $133, respectively.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the most popular airlines that fly from Portland to San Antonio?

Before booking your flight from Portland to San Antonio check out the most popular airlines for this route: American Airlines, Southwest or Delta.

Most accurate provider : When it comes to deals on Portland-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-San Antonio flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$73+ Flights from Portland to San Antonio

Q: How much does it cost to fly round-trip from Portland to San Antonio?

Airfare is below average for this route at the moment. Portland to San Antonio flights typically cost between $376 and $637 in January. The cheapest round-trip price found within the last 3 days was $195 on Frontier (Jan 4-Jan 8).

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Find cheap flights from Portland to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Portland to San Antonio are usually found in August or September, booked 41 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap 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 December 12, 2025.

Thu 12/2512:47 pmPDX - SAT

1 stop9h 30mFrontier

Wed 1/73:55 pmSAT - PDX

1 stop21h 20mFrontier

Deal found 12/11

$220

Wed 12/243:59 pmPDX - SAT

1 stop15h 24mFrontier

Wed 1/73:55 pmSAT - PDX

1 stop21h 20mFrontier

Deal found 12/11

$261

Thu 12/255:30 amPDX - SAT

1 stop6h 15mDelta

Wed 1/77:00 amSAT - PDX

2 stops11h 30mDelta

Deal found 12/11

$297

Wed 12/242:35 pmPDX - SAT

1 stop6h 13mUnited Airlines

Wed 1/141:20 pmSAT - PDX

1 stop6h 50mUnited Airlines

Deal found 12/9

$319

Thu 12/2512:47 pmPDX - SAT

1 stop9h 30mFrontier

Tue 12/306:45 amSAT - PDX

1 stop6h 58mFrontier

Deal found 12/10

$387

Wed 12/243:59 pmPDX - SAT

1 stop15h 24mFrontier

Tue 12/3010:18 amSAT - PDX

2 stops51h 19mFrontier

Deal found 12/10

$407

Thu 12/256:15 amPDX - SAT

2 stops13h 35mSouthwest

Wed 1/76:55 amSAT - PDX

2 stops8h 40mSouthwest

Deal found 12/11

$422

Wed 12/247:45 pmPDX - SAT

2 stops12h 55mUnited Airlines

Wed 1/78:30 amSAT - PDX

2 stops12h 26mUnited Airlines

Deal found 12/11

$424

Wed 12/242:35 pmPDX - SAT

1 stop6h 13mUnited Airlines

Tue 12/305:20 amSAT - PDX

1 stop6h 41mUnited Airlines

Deal found 12/10

$444

Best flights from Portland to San Antonio
Discover carefully curated flight deals from Portland to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 1/106:10 amPDX - SAT

1 stop8h 20mSouthwest

Sat 1/1710:15 amSAT - PDX

1 stop7h 20mSouthwest

Deal found 12/10

$284

Sun 1/2511:10 amPDX - SAT

2 stops10h 33mDelta

Sun 2/11:03 pmSAT - PDX

2 stops9h 56mDelta

Deal found 12/11

$294

Fri 1/237:10 amPDX - SAT

1 stop8h 35mAlaska Airlines

Mon 1/266:46 pmSAT - PDX

1 stop16h 43mAlaska Airlines

Deal found 12/10

$304

Wed 12/242:35 pmPDX - SAT

1 stop6h 13mUnited Airlines

Wed 1/77:40 amSAT - PDX

2 stops12h 30mUnited Airlines

Deal found 12/11

$325

Sun 2/151:06 pmPDX - SAT

1 stop8h 35mAmerican Airlines

Sat 2/211:40 pmSAT - PDX

1 stop7h 58mAmerican Airlines

Deal found 12/11

$330

Wed 3/111:52 pmPDX - SAT

2 stops8h 21mDelta

Wed 3/187:35 amSAT - PDX

2 stops13h 23mDelta

Deal found 12/10

$294

Thu 1/221:38 pmPDX - SAT

1 stop26h 07mAlaska Airlines

Mon 1/266:46 pmSAT - PDX

1 stop16h 43mAlaska Airlines

Deal found 12/11

$304

Thu 12/255:30 amPDX - SAT

1 stop6h 15mDelta

Wed 1/77:00 amSAT - PDX

2 stops11h 30mDelta

Deal found 12/11

$297

Sun 2/158:30 amPDX - SAT

1 stop6h 25mUnited Airlines

Sat 2/211:18 pmSAT - PDX

1 stop6h 33mUnited Airlines

Deal found 12/10

$330

Thu 2/198:30 amPDX - SAT

1 stop6h 44mAlaska Airlines

Mon 2/236:06 pmSAT - PDX

1 stop7h 38mAlaska Airlines

Deal found 12/10

$304

Fri 1/239:10 amPDX - SAT

1 stop6h 35mAlaska Airlines

Sun 1/256:46 pmSAT - PDX

1 stop16h 43mAlaska Airlines

Deal found 12/10

$304

Tue 1/2710:00 amPDX - SAT

1 stop5h 25mDelta

Fri 1/307:35 amSAT - PDX

2 stops13h 15mDelta

Deal found 12/11

$320

Last-minute flights from Portland to San Antonio
Discover last-minute flight deals from Portland to San Antonio. Data last updated December 12, 2025 and is based on user searches.

Wed 12/243:59 pmPDX - SAT

1 stop15h 24mFrontier

Wed 1/73:55 pmSAT - PDX

1 stop21h 20mFrontier

Deal found 12/11

$261

Thu 12/2512:47 pmPDX - SAT

1 stop9h 30mFrontier

Wed 1/73:55 pmSAT - PDX

1 stop21h 20mFrontier

Deal found 12/11

$220

Thu 12/255:30 amPDX - SAT

1 stop6h 15mDelta

Wed 1/77:00 amSAT - PDX

2 stops11h 30mDelta

Deal found 12/11

$297

Sun 1/412:47 pmPDX - SAT

1 stop20h 34mFrontier

Thu 1/811:55 amSAT - PDX

1 stop23h 39mFrontier

Deal found 12/10

$195

Thu 1/87:10 amPDX - SAT

2 stops8h 15mDelta

Mon 1/121:03 pmSAT - PDX

2 stops9h 56mDelta

Deal found 12/10

$294

Sat 1/106:10 amPDX - SAT

1 stop8h 20mSouthwest

Sat 1/1710:15 amSAT - PDX

1 stop7h 20mSouthwest

Deal found 12/10

$284

Sat 1/107:51 pmPDX - SAT

2 stops10h 50mUnited Airlines

Sat 1/178:30 amSAT - PDX

1 stop7h 15mUnited Airlines

Deal found 12/10

$289

Sun 1/111:02 pmPDX - SAT

2 stops19h 58mFrontier

Thu 1/1510:15 amSAT - PDX

1 stop26h 49mFrontier

Deal found 12/10

$214

Thu 1/1511:59 amPDX - SAT

1 stop20h 23mFrontier

Sun 1/185:02 pmSAT - PDX

2 stops26h 22mFrontier

Deal found 12/11

$236

Sun 1/2511:09 amPDX - SAT

1 stop23h 16mFrontier

Sun 2/11:15 pmSAT - PDX

1 stop24h 03mFrontier

Deal found 12/11

$203

One-way flights from Portland to San Antonio
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Sun 2/111:09 amPDX - SAT

1 stop23h 16mFrontier

Deal found 12/11

$73

Sun 1/188:18 amPDX - SAT

1 stop5h 59mFrontier

Deal found 12/11

$82

Thu 1/1511:59 amPDX - SAT

1 stop20h 23mFrontier

Deal found 12/11

$83

Thu 1/2911:28 amPDX - SAT

1 stop22h 57mFrontier

Deal found 12/11

$90

Thu 1/812:05 pmPDX - SAT

1 stop19h 13mFrontier

Deal found 12/11

$97

Sun 1/412:47 pmPDX - SAT

1 stop9h 30mFrontier

Deal found 12/11

$98

Sun 3/16:56 pmPDX - SAT

1 stop11h 45mMultiple Airlines

Deal found 12/11

$99

Fri 1/1611:59 amPDX - SAT

2 stops50h 18mFrontier

Deal found 12/11

$100

Mon 1/58:45 pmPDX - SAT

1 stop17h 30mFrontier

Deal found 12/11

$101

Mon 2/99:22 pmPDX - SAT

2 stops16h 55mFrontier

Deal found 12/10

$107

Find flight deals from Portland to San Antonio

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$195 (Mytrip)
One-way from	$73 (Trip.com)
Popular in	December
Cheapest in	August
Average price	$526

Provider with most accurate pricing for Portland-San Antonio flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-San Antonio flights.

Search Deals

From Portland to San Antonio

Search Deals

One-way flight from Portland to San Antonio

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($49 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Sat 1/10

6:10 am-4:30 pm

1 stop8h 20m

San Antonio

Sat 1/17

10:15 am-3:35 pm

1 stop7h 20m

$284

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Sun 1/25

11:10 am-11:43 pm

2 stops10h 33m

San Antonio

Sun 2/1

1:03 pm-8:59 pm

2 stops9h 56m

$294

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Wed 3/11

1:52 pm-12:13 am

2 stops8h 21m

San Antonio

Wed 3/18

7:35 am-6:58 pm

2 stops13h 23m

$294

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 12/25

5:30 am-1:45 pm

1 stop6h 15m

San Antonio

Wed 1/7

7:00 am-4:30 pm

2 stops11h 30m

$297

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 1/23

7:10 am-5:45 pm

1 stop8h 35m

San Antonio

Mon 1/26

6:46 pm-9:29 am

1 stop16h 43m

$304

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 1/22

1:38 pm-5:45 pm

1 stop26h 07m

San Antonio

Mon 1/26

6:46 pm-9:29 am

1 stop16h 43m

$304

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 2/19

8:30 am-5:14 pm

1 stop6h 44m

San Antonio

Mon 2/23

6:06 pm-11:44 pm

1 stop7h 38m

$304

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 1/23

9:10 am-5:45 pm

1 stop6h 35m

San Antonio

Sun 1/25

6:46 pm-9:29 am

1 stop16h 43m

$304

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 1/27

10:00 am-5:25 pm

1 stop5h 25m

San Antonio

Fri 1/30

7:35 am-6:50 pm

2 stops13h 15m

$320

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Wed 12/24

2:35 pm-10:48 pm

1 stop6h 13m

San Antonio

Wed 1/7

7:40 am-6:10 pm

2 stops12h 30m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 24 results

Compare providers for flights from Portland to San Antonio

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to San Antonio in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland-San Antonio flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-San Antonio flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Portland-San Antonio flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland-San Antonio flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

Booking 41 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, September is the cheapest month in which you can book a flight from Portland to San Antonio (average of $148). Flying from Portland to San Antonio in March is currently the most expensive (average of $217). 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?

It’s optimal to fly from Portland to San Antonio in the evening. By choosing this option you can save up to 15% 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?

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.

How much does it cost to fly round-trip from Portland to San Antonio?

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown Southwest, Delta, and United 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.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,095 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,084 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Portland to San Antonio?
There are many flights that can get you from Portland to San Antonio in 8h 20m. Fly via Southwest, Delta, or Alaska Airlines to get the fastest option. The distance between Portland and San Antonio is about 1712 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Portland to San Antonio round-trip?
Flying on Frontier is currently your cheapest option to San Antonio, with prices starting at $135. Additional round-trip tickets that might be worth considering are offered by Spirit Airlines and American Airlines, with the lowest prices starting at $144 and $220, respectively. Frontier is currently priced 65% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Portland to San Antonio one-way?
$69 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Delta, with prices starting from $77 and $133, respectively.
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, September is the cheapest month in which you can book a flight from Portland to San Antonio (average of $148). Flying from Portland to San Antonio in March is currently the most expensive (average of $217). 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

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Top 7 airlines flying from Portland to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$136	Average$217	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$144	Average$274	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$226	Average$391	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$247	Average$676	FlexibilityNo cancel fee	On-time75%
Delta	Cheapest$276	Average$385	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$284	Average$417	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$291	Average$437	FlexibilityNo cancel fee	On-time63%

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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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to San Antonio with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Portland to San Antonio are usually found in August or September, booked 41 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Portland to San Antonio

Cheapest flights from Portland to San AntonioExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Portland to San Antonio

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to San Antonio that are best for you.

Compare providers for flights from Portland to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to San Antonio in December.

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.

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?

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

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

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

How much does it cost to fly round-trip from Portland to San Antonio?

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown Southwest, Delta, and United 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.

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.

How long is the flight from Portland to San Antonio?

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

What are the cheapest airlines to fly from Portland to San Antonio one-way?

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

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

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

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

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Alternative routes for Portland to San Antonio

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Top 7 airlines flying from Portland to San Antonio

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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 December 12, 2025.