What airlines fly to San Antonio?

Alaska Airlines, American Airlines 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 38% 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.

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 15m.

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

Denver (DEN) has the shortest average layover time for this route: 1h 02m.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating from Portland to San Antonio

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

Denver (DEN) was the most common stop: 46% 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 Phoenix (PHX) offer the lowest average round-trip price of $296.

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 October 2025, 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.

$68 Cheap Flights from Portland to San Antonio in 2025/26

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3:26 pm - 2:17 pmPDX-SAT

20h 51m1 stop

8:25 pm - 11:56 amSAT-PDX

17h 31m1 stop

$169Frontier

Find Deal

Fri, Nov 14 - Sun, Nov 16

12:32 am - 11:56 amPDX-SAT

9h 24m1 stop

2:40 pm - 8:52 pmSAT-PDX

8h 12m1 stop

$179Delta

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Tue, Dec 2 - Tue, Dec 9

7:29 pm - 11:45 pmPDX-SAT

26h 16m2 stops

8:25 pm - 11:56 amSAT-PDX

17h 31m1 stop

$183Multiple Airlines

Find Deal

Mon, Nov 10 - Fri, Nov 14

3:26 pm - 2:17 pmPDX-SAT

20h 51m1 stop

8:25 pm - 11:56 amSAT-PDX

17h 31m1 stop

$184Frontier

Find Deal

Fri, Nov 7 - Mon, Nov 10

3:26 pm - 2:17 pmPDX-SAT

20h 51m1 stop

2:04 pm - 11:56 amSAT-PDX

23h 52m2 stops

$187Frontier

Find Deal

Fri, Nov 14 - Mon, Nov 17

7:29 pm - 11:45 pmPDX-SAT

26h 16m2 stops

4:54 pm - 9:21 amSAT-PDX

18h 27m1 stop

$192Multiple Airlines

Find Deal

Mon, Nov 17 - Mon, Nov 24

12:00 pm - 10:52 pmPDX-SAT

8h 52m1 stop

6:05 pm - 11:23 pmSAT-PDX

7h 18m1 stop

$201American Airlines

Find Deal

Thu, Dec 4 - Mon, Dec 8

8:35 am - 5:00 pmPDX-SAT

6h 25m1 stop

5:00 am - 11:04 amSAT-PDX

8h 04m1 stop

$223American Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 6

2:35 pm - 9:50 pmPDX-SAT

5h 15m1 stop

6:30 pm - 10:35 pmSAT-PDX

6h 05m1 stop

$225Southwest

Find Deal

Thu, Dec 4 - Tue, Dec 9

2:35 pm - 9:50 pmPDX-SAT

5h 15m1 stop

10:55 am - 6:15 pmSAT-PDX

9h 20m2 stops

$239Southwest

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Thu, Dec 4 - Tue, Dec 9

Delta flights from Portland to San Antonio

Our best Delta deals on Portland to San Antonio flight tickets

Delta

Dec 2

PDX12:32 amPortland

9h 24m

1 stop

SAT11:56 amSan Antonio

Dec 9

SAT2:40 pmSan Antonio

8h 12m

1 stop

PDX8:52 pmPortland

$179

Find similar

Delta

Dec 2

PDX12:32 amPortland

9h 24m

1 stop

SAT11:56 amSan Antonio

Dec 9

SAT2:40 pmSan Antonio

10h 00m

2 stops

PDX10:40 pmPortland

$227

Find similar

Delta

Dec 4

PDX2:23 pmPortland

8h 14m

2 stops

SAT12:37 amSan Antonio

Dec 8

SAT12:46 pmSan Antonio

11h 54m

2 stops

PDX10:40 pmPortland

$236

Find similar

American Airlines flights from Portland to San Antonio

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

American Airlines

Dec 4

PDX12:00 pmPortland

8h 52m

1 stop

SAT10:52 pmSan Antonio

Dec 8

SAT6:05 pmSan Antonio

7h 18m

1 stop

PDX11:23 pmPortland

$201

Find similar

American Airlines

Dec 2

PDX8:35 amPortland

6h 25m

1 stop

SAT5:00 pmSan Antonio

Dec 6

SAT5:00 amSan Antonio

8h 04m

1 stop

PDX11:04 amPortland

$223

Find similar

American Airlines

Dec 5

PDX8:35 amPortland

9h 42m

1 stop

SAT8:17 pmSan Antonio

Dec 12

SAT2:31 pmSan Antonio

8h 19m

1 stop

PDX8:50 pmPortland

$243

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 11/14

3:26 pm-2:17 pm

1 stop20h 51m

San Antonio

Sun 11/16

8:25 pm-11:56 am

1 stop17h 31m

$169

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 12/2

12:32 am-11:56 am

1 stop9h 24m

San Antonio

Tue 12/9

2:40 pm-8:52 pm

1 stop8h 12m

$179

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Mon 11/10

7:29 pm-11:45 pm

2 stops26h 16m

San Antonio

Fri 11/14

8:25 pm-11:56 am

1 stop17h 31m

$183

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 11/7

3:26 pm-2:17 pm

1 stop20h 51m

San Antonio

Mon 11/10

8:25 pm-11:56 am

1 stop17h 31m

$184

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 11/14

3:26 pm-2:17 pm

1 stop20h 51m

San Antonio

Mon 11/17

2:04 pm-11:56 am

2 stops23h 52m

$187

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Mon 11/17

7:29 pm-11:45 pm

2 stops26h 16m

San Antonio

Mon 11/24

4:54 pm-9:21 am

1 stop18h 27m

$192

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 12/4

12:00 pm-10:52 pm

1 stop8h 52m

San Antonio

Mon 12/8

6:05 pm-11:23 pm

1 stop7h 18m

$201

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 12/2

8:35 am-5:00 pm

1 stop6h 25m

San Antonio

Sat 12/6

5:00 am-11:04 am

1 stop8h 04m

$223

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 12/4

2:35 pm-9:50 pm

1 stop5h 15m

San Antonio

Tue 12/9

6:30 pm-10:35 pm

1 stop6h 05m

$225

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 12/4

2:35 pm-9:50 pm

1 stop5h 15m

San Antonio

Tue 12/9

10:55 am-6:15 pm

2 stops9h 20m

$239

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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.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $347. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $459.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Portland to San Antonio in the evening for as low as $332. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $394. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $382 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 $318 on momondo.

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

As of October 2025, prices for Portland to San Antonio flights are approximately 60% 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

Direct flights	None

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

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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 15m.
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 October 2025, 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 American Airlines (26% of total bookings). The next most popular airlines are Southwest (23%), Delta (20%), and United Airlines (15%).

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 $118	Free Cancellation	Rating 5.8 3,129 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $144	Free Cancellation	Rating 6.3 8,094 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $244	Free Cancellation	Rating 7.2 11,023 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $247	Free Cancellation	Rating 8.0 11,138 reviews	Search Alaska Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 7,978 reviews	Search Delta flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 8,988 reviews	Search United Airlines flights
Southwest	PriceFrom $300	Free Cancellation	Rating 8.0 4,235 reviews	Search Southwest flights

New Braunfels

Kerrville

Boerne

Schertz

Pleasanton

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.

An easier way to manage your San Antonio trip

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Cheap flights from Portland to San Antonio from $68

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 11/14. 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

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

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.

What is the cheapest day to depart on your flight to San Antonio?

What is the cheapest time of day to depart on your flight to San Antonio?

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 October 2025, prices for Portland to San Antonio flights are approximately 60% more expensive when compared to flights at the same time last year.

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

Frontier, Southwest, 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: 46% 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 Phoenix (PHX) offer the lowest average round-trip price of $296.

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 15m.

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

Denver (DEN) has the shortest average layover time for this route: 1h 02m.

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

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