Which airport is the most popular layover for flights between Portland and San Antonio?

Denver (DEN) was the most common stop: 62% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to San Antonio?

Flights via Seattle (SEA) offer the lowest average round-trip price of $269.

Which layover airport has the shortest travel time from Portland to San Antonio?

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 5h 13m.

What airlines fly to San Antonio?

Alaska Airlines, Southwest and Delta are the top three most popular airlines that fly to San Antonio from Portland according to our data. Alaska Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 8 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to San Antonio?

Delta and United Airlines are the most popular carriers operating from Portland to San Antonio

Which layover airport has the shortest connection time from Portland to San Antonio?

Phoenix (PHX) has the shortest average layover time for this route: 1h 09m.

When did momondo last update prices for flights from Portland Airport to San Antonio Airport?

Prices for flights from Portland Airport to San Antonio Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to San Antonio Airport?

As of January 2026, there are 7 operators available to choose from for flights from Portland Airport to San Antonio Airport.

How old do you have to be to fly from Portland Airport to San Antonio Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$60 Cheap Flights from Portland to San Antonio in 2026

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One-way

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1:48 pm - 2:19 pm

PDX

SAT

22h 31m

1 stop

3:14 pm - 11:03 am

SAT

PDX

21h 49m

1 stop

$212Frontier

Wed, Apr 22 - Wed, Apr 29

12:04 pm - 9:06 am

PDX

SAT

19h 02m

1 stop

6:45 am - 11:52 am

SAT

PDX

31h 07m

2 stops

$221Frontier

Fri, Mar 6 - Wed, Mar 11

5:00 pm - 12:41 am

PDX

SAT

5h 41m

1 stop

7:00 am - 12:02 pm

SAT

PDX

7h 02m

1 stop

$237Delta

Tue, Feb 17 - Wed, Feb 25

12:04 pm - 9:06 am

PDX

SAT

19h 02m

1 stop

10:05 am - 11:09 am

SAT

PDX

27h 04m

1 stop

$239Frontier

Thu, Mar 12 - Thu, Mar 19

1:18 pm - 8:56 pm

PDX

SAT

5h 38m

1 stop

5:47 am - 12:33 pm

SAT

PDX

8h 46m

2 stops

$242United Airlines

Tue, Mar 3 - Tue, Mar 10

11:48 am - 2:19 pm

PDX

SAT

24h 31m

1 stop

3:14 pm - 1:02 pm

SAT

PDX

23h 48m

1 stop

$267Frontier

Sun, May 3 - Tue, May 5

7:57 pm - 8:43 am

PDX

SAT

10h 46m

2 stops

4:45 pm - 9:15 pm

SAT

PDX

6h 30m

1 stop

$270United Airlines

Sat, Feb 28 - Tue, Mar 3

1:36 pm - 5:10 pm

PDX

SAT

25h 34m

1 stop

6:06 pm - 11:44 pm

SAT

PDX

7h 38m

1 stop

$272Alaska Airlines

Tue, Feb 24 - Tue, Mar 3

1:48 pm - 2:19 pm

PDX

SAT

22h 31m

1 stop

3:14 pm - 8:59 am

SAT

PDX

19h 45m

2 stops

$281Frontier

Wed, Apr 22 - Wed, Apr 29

12:04 pm - 9:06 am

PDX

SAT

19h 02m

1 stop

6:06 pm - 11:44 pm

SAT

PDX

7h 38m

1 stop

$283Multiple Airlines

Fri, Mar 6 - Wed, Mar 11

Frontier flights from Portland to San Antonio

Our best Frontier deals on Portland to San Antonio flight tickets

Frontier

Apr 22

PDX1:48 pmPortland

22h 31m

1 stop

SAT2:19 pmSan Antonio

Apr 29

SAT3:14 pmSan Antonio

21h 49m

1 stop

PDX11:03 amPortland

$212

Frontier

Mar 6

PDX12:04 pmPortland

19h 02m

1 stop

SAT9:06 amSan Antonio

Mar 11

SAT6:45 amSan Antonio

31h 07m

2 stops

PDX11:52 amPortland

$221

Frontier

Mar 12

PDX12:04 pmPortland

19h 02m

1 stop

SAT9:06 amSan Antonio

Mar 19

SAT10:05 amSan Antonio

27h 04m

1 stop

PDX11:09 amPortland

$239

American Airlines flights from Portland to San Antonio

Our best American Airlines deals on Portland to San Antonio flight tickets

American Airlines

Feb 21

PDX2:05 pmPortland

6h 49m

1 stop

SAT10:54 pmSan Antonio

Feb 23

SAT5:41 pmSan Antonio

7h 46m

1 stop

PDX11:27 pmPortland

$296

American Airlines

Feb 21

PDX2:05 pmPortland

5h 53m

1 stop

SAT9:58 pmSan Antonio

Mar 4

SAT2:49 pmSan Antonio

7h 55m

1 stop

PDX8:44 pmPortland

$307

American Airlines

Apr 4

PDX2:06 pmPortland

7h 01m

1 stop

SAT11:07 pmSan Antonio

Apr 11

SAT7:00 amSan Antonio

11h 59m

1 stop

PDX4:59 pmPortland

$371

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Wed 4/22

1:48 pm-2:19 pm

1 stop22h 31m

San Antonio

Wed 4/29

3:14 pm-11:03 am

1 stop21h 49m

$212

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 3/6

12:04 pm-9:06 am

1 stop19h 02m

San Antonio

Wed 3/11

6:45 am-11:52 am

2 stops31h 07m

$221

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 2/17

5:00 pm-12:41 am

1 stop5h 41m

San Antonio

Wed 2/25

7:00 am-12:02 pm

1 stop7h 02m

$237

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 3/12

12:04 pm-9:06 am

1 stop19h 02m

San Antonio

Thu 3/19

10:05 am-11:09 am

1 stop27h 04m

$239

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 3/3

1:18 pm-8:56 pm

1 stop5h 38m

San Antonio

Tue 3/10

5:47 am-12:33 pm

2 stops8h 46m

$242

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Sun 5/3

11:48 am-2:19 pm

1 stop24h 31m

San Antonio

Tue 5/5

3:14 pm-1:02 pm

1 stop23h 48m

$267

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Sat 2/28

7:57 pm-8:43 am

2 stops10h 46m

San Antonio

Tue 3/3

4:45 pm-9:15 pm

1 stop6h 30m

$270

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 2/24

1:36 pm-5:10 pm

1 stop25h 34m

San Antonio

Tue 3/3

6:06 pm-11:44 pm

1 stop7h 38m

$272

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Wed 4/22

1:48 pm-2:19 pm

1 stop22h 31m

San Antonio

Wed 4/29

3:14 pm-8:59 am

2 stops19h 45m

$281

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 3/6

12:04 pm-9:06 am

1 stop19h 02m

San Antonio

Wed 3/11

6:06 pm-11:44 pm

1 stop7h 38m

$283

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How to get the cheapest flight ticket from Portland to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Portland during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $314.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Portland for as low as $333 on momondo.

How have Portland to San Antonio flight prices changed over time?

As of January 2026, prices for Portland to San Antonio flights are approximately 124% more expensive when compared to flights at the same time last year.

When to book flights from Portland to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to San Antonio according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to San Antonio (PDX to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to San Antonio

Fastest flight time	5h 30m
Direct flights	None

The fastest flight from Portland to San Antonio takes 5h 30m

There are no direct flights from Portland to San Antonio. There are no popular flight routes from Portland to San Antonio.

Search flight deals

How far is Portland to San Antonio by plane?
San Antonio is 1717.5 mi away from Portland. By plane, this route typically takes 5h 30m.
When did momondo last update prices for flights from Portland Airport to San Antonio Airport?
Prices for flights from Portland Airport to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to San Antonio Airport?
As of January 2026, there are 7 operators available to choose from for flights from Portland Airport to San Antonio Airport.
How old do you have to be to fly from Portland Airport to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Portland Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to San Antonio?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to San Antonio is Southwest (25% of total bookings). The next most popular airlines are American Airlines (23%), Delta (22%), and United Airlines (14%).

Best airlines flying from Portland to San Antonio

Compare and see reviews for airlines that fly from Portland to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $136	Free Cancellation	Rating 5.7 3,056 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $144	Free Cancellation	Rating 6.3 8,394 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $211	Free Cancellation	Rating 7.2 11,206 reviews	Search American Airlines flights
United Airlines	PriceFrom $237	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $269	Free Cancellation	Rating 8.0 11,808 reviews	Search Alaska Airlines flights
Delta	PriceFrom $270	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
Southwest	PriceFrom $286	Free Cancellation	Rating 8.0 4,267 reviews	Search Southwest flights

New Braunfels

Kerrville

Boerne

Pleasanton

Schertz

Why use momondo?

Why should I use momondo to find a flight deal from Portland to San Antonio?

Finding the right flight to San Antonio from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Portland to San Antonio with flexible booking policies on momondo?

Flights from Portland to San Antonio with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to San Antonio?

momondo helps you find the best flight between Portland and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to San Antonio right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Portland to San Antonio from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to San Antonio departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Portland to San Antonio

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Portland during September instead. Flights to San Antonio in September, while not as cheap as those in August, still average around $314.

How far in advance should I book a flight to San Antonio?

How have Portland to San Antonio flight prices changed over time?

As of January 2026, prices for Portland to San Antonio flights are approximately 124% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Portland to San Antonio?

Delta and United Airlines are the most popular carriers operating from Portland to San Antonio

What airlines fly to San Antonio?

Which airport is the most popular layover for flights between Portland and San Antonio?

Denver (DEN) was the most common stop: 62% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Portland to San Antonio?

Flights via Seattle (SEA) offer the lowest average round-trip price of $269.

Which layover airport has the shortest travel time from Portland to San Antonio?

Flights connecting via Salt Lake City (SLC) have the shortest average one-way travel time: 5h 13m.

Which layover airport has the shortest connection time from Portland to San Antonio?

Phoenix (PHX) has the shortest average layover time for this route: 1h 09m.

When to book flights from Portland to San Antonio

Cheap Portland to San Antonio (PDX to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to San Antonio

Fastest flight time

Direct flights

How far is Portland to San Antonio by plane?

When did momondo last update prices for flights from Portland Airport to San Antonio Airport?

How many operators does momondo search for flights from Portland Airport to San Antonio Airport?

How old do you have to be to fly from Portland Airport to San Antonio Airport?

What documentation or ID do you need to fly to San Antonio Airport?

What is the most popular airline from Portland to San Antonio?

Best airlines flying from Portland to San Antonio

Compare and see reviews for airlines that fly from Portland to San Antonio with momondo

Traveling to a place near San Antonio?

Why use momondo?

Why should I use momondo to find a flight deal from Portland to San Antonio?

Can I find flights from Portland to San Antonio with flexible booking policies on momondo?

How can momondo help me find flights from Portland to San Antonio?

I’m not ready to book a flight from Portland to San Antonio right now. Can momondo alert me if prices change?

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas