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Cheap flights from Portland to San Antonio from $86

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 2/9. 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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Find the cheapest flights from Portland to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland to San Antonio.

Cheap last minute flights

Planning a quick getaway from Portland to San Antonio? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Antonio, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland to San Antonio

Find recent round-trip train or bus tickets from Portland to San Antonio.

All round-trip flight deals from Portland to San Antonio

The cheapest plane tickets from Portland to San Antonio found on KAYAK recently.
6:32 am - 1:18 pmPDX-SAT
28h 46m1 stop
5:58 pm - 8:40 amSAT-PDX
16h 42m1 stop
$139Frontier
Find Deal
Wed, Feb 26 - Thu, Feb 27
9:18 pm - 4:58 pmPDX-SAT
17h 40m1 stop
2:18 pm - 12:37 amSAT-PDX
12h 19m1 stop
$146Frontier
Find Deal
Thu, Feb 20 - Tue, Feb 25
5:30 pm - 4:33 amPDX-SAT
9h 03m1 stop
4:07 pm - 9:21 amSAT-PDX
19h 14m1 stop
$205Spirit Airlines
Find Deal
Mon, Feb 3 - Wed, Feb 5
8:28 pm - 4:36 amPDX-SAT
6h 08m1 stop
7:25 pm - 7:31 pmSAT-PDX
26h 06m2 stops
$221Spirit Airlines
Find Deal
Wed, Feb 26 - Thu, Feb 27
1:38 pm - 12:44 amPDX-SAT
9h 06m2 stops
12:25 pm - 8:47 pmSAT-PDX
10h 22m2 stops
$314Delta
Find Deal
Tue, Apr 22 - Tue, Apr 29
1:36 pm - 12:40 amPDX-SAT
9h 04m2 stops
7:00 am - 12:07 pmSAT-PDX
7h 07m1 stop
$320Delta
Find Deal
Wed, Feb 26 - Sat, Mar 1
6:00 am - 2:38 pmPDX-SAT
6h 38m1 stop
4:53 pm - 9:00 pmSAT-PDX
6h 07m1 stop
$327United Airlines
Find Deal
Sun, May 11 - Sat, May 17
6:00 am - 2:38 pmPDX-SAT
6h 38m1 stop
1:10 pm - 8:53 pmSAT-PDX
9h 43m2 stops
$332United Airlines
Find Deal
Sun, May 11 - Sat, May 17
11:59 pm - 8:32 amPDX-SAT
6h 33m1 stop
6:00 am - 12:32 pmSAT-PDX
8h 32m1 stop
$441American Airlines
Find Deal
Tue, Apr 8 - Sun, Apr 13
1:44 am - 11:23 amPDX-SAT
7h 39m1 stop
8:35 pm - 12:26 amSAT-PDX
5h 51m1 stop
$565American Airlines
Find Deal
Wed, Jul 2 - Mon, Jul 7
12:03 pm - 12:02 pmPDX-SAT
21h 59m1 stop
$86Frontier
Find Deal
Sun, Feb 9
12:03 pm - 12:02 pmPDX-SAT
21h 59m1 stop
$100Frontier
Find Deal
Sun, Feb 2
8:10 pm - 10:20 amPDX-SAT
12h 10m1 stop
$169Southwest
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Sun, Apr 20
5:26 pm - 12:28 amPDX-SAT
5h 02m1 stop
$174Delta
Find Deal
Tue, Mar 25
5:30 pm - 8:59 pmPDX-SAT
25h 29m3 stops
$196Spirit Airlines
Find Deal
Sat, Feb 1
12:40 am - 12:08 pmPDX-SAT
9h 28m1 stop
$209Delta
Find Deal
Sat, Apr 19
10:45 am - 7:40 pmPDX-SAT
6h 55m2 stops
$214Southwest
Find Deal
Fri, Feb 21
10:16 am - 8:59 pmPDX-SAT
32h 43m3 stops
$229Spirit Airlines
Find Deal
Sun, Feb 2
5:00 am - 3:47 pmPDX-SAT
8h 47m2 stops
$290United Airlines
Find Deal
Tue, Mar 25
6:03 am - 9:03 pmPDX-SAT
13h 00m2 stops
$309United Airlines
Find Deal
Sun, Feb 9
11:17 am - 7:35 pmPDX-SAT
6h 18m1 stop
8:20 pm - 9:45 amSAT-PDX
15h 25m1 stop
$353Frontier
Find Deal
Fri, Jan 24 - Sun, Jan 26
11:17 am - 7:35 pmPDX-SAT
6h 18m1 stop
8:20 pm - 9:45 amSAT-PDX
15h 25m1 stop
$355Frontier
Find Deal
Fri, Jan 24 - Sun, Jan 26
5:30 pm - 4:33 amPDX-SAT
9h 03m1 stop
5:45 am - 4:35 pmSAT-PDX
12h 50m1 stop
$381Spirit Airlines
Find Deal
Fri, Jan 24 - Tue, Jan 28
5:30 pm - 7:26 pmPDX-SAT
23h 56m3 stops
5:45 am - 4:35 pmSAT-PDX
12h 50m1 stop
$587Spirit Airlines
Find Deal
Sat, Jan 25 - Mon, Jan 27
5:30 pm - 7:26 pmPDX-SAT
23h 56m3 stops
8:21 pm - 4:35 pmSAT-PDX
22h 14m3 stops
$616Spirit Airlines
Find Deal
Sat, Jan 25 - Mon, Jan 27
5:30 pm - 7:26 pmPDX-SAT
23h 56m3 stops
8:21 pm - 4:35 pmSAT-PDX
22h 14m2 stops
$633Spirit Airlines
Find Deal
Sat, Jan 25 - Mon, Jan 27
5:30 pm - 4:33 amPDX-SAT
9h 03m1 stop
7:00 am - 9:21 amSAT-PDX
28h 21m3 stops
$664Spirit Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26
12:45 am - 11:46 amPDX-SAT
9h 01m1 stop
7:45 am - 12:31 pmSAT-PDX
6h 46m1 stop
$742Delta
Find Deal
Thu, Jan 23 - Tue, Jan 28
12:45 am - 11:46 amPDX-SAT
9h 01m1 stop
7:25 pm - 11:54 pmSAT-PDX
6h 29m1 stop
$747Delta
Find Deal
Thu, Jan 23 - Sun, Jan 26
5:00 am - 3:42 pmPDX-SAT
8h 42m2 stops
8:49 am - 1:50 pmSAT-PDX
7h 01m1 stop
$752United Airlines
Find Deal
Fri, Jan 24 - Sun, Jan 26

Frontier flights from Portland to San Antonio

Our best Frontier deals on Portland to San Antonio flight tickets
Frontier
Feb 26
PDX6:32 amPortland
28h 46m
1 stop
SAT1:18 pmSan Antonio
Feb 27
SAT5:58 pmSan Antonio
16h 42m
1 stop
PDX8:40 amPortland
Frontier
Feb 20
PDX9:18 pmPortland
17h 40m
1 stop
SAT4:58 pmSan Antonio
Feb 25
SAT2:18 pmSan Antonio
12h 19m
1 stop
PDX12:37 amPortland
Frontier
Feb 20
PDX9:18 pmPortland
17h 40m
1 stop
SAT4:58 pmSan Antonio
Feb 25
SAT2:18 pmSan Antonio
12h 19m
1 stop
PDX12:37 amPortland

United Airlines flights from Portland to San Antonio

Our best United Airlines deals on Portland to San Antonio flight tickets
United Airlines
May 11
PDX6:00 amPortland
6h 38m
1 stop
SAT2:38 pmSan Antonio
May 17
SAT4:53 pmSan Antonio
6h 07m
1 stop
PDX9:00 pmPortland
United Airlines
May 11
PDX6:00 amPortland
6h 38m
1 stop
SAT2:38 pmSan Antonio
May 17
SAT1:10 pmSan Antonio
9h 43m
2 stops
PDX8:53 pmPortland
United Airlines
May 11
PDX7:54 amPortland
11h 13m
2 stops
SAT9:07 pmSan Antonio
May 17
SAT11:00 amSan Antonio
11h 53m
2 stops
PDX8:53 pmPortland

See travel insights to San Antonio from

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 January, then book flights to San Antonio from Portland during August instead. Flights to San Antonio in August, while not as cheap as those in January, still average around $328.

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 4 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $386 when searching 4 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 $335 on momondo.

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

As of January 2025, prices for Portland to San Antonio flights are approximately 11% cheaper 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

Best Price Found

$86

Fastest flight time

5h 02m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Portland in the past 72 hours is $86. The best round-trip flight deal from Portland to San Antonio found on momondo in the last 72 hours is $139.
The fastest flight from Portland to San Antonio takes 5h 02m
There are no direct flights from Portland to San Antonio. Popular non-direct route for this connection is Portland Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)

  • 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 50m.

  • 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?

  • 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?


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
Spirit AirlinesPriceFrom $118Free CancellationRating
6.3
8,116 reviews
Search Spirit Airlines flights
FrontierPriceFrom $118Free CancellationRating
6.0
3,443 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $262Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
DeltaPriceFrom $271Free CancellationRating
8.0
8,521 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
8,984 reviews
Search United Airlines flights
SouthwestPriceFrom $316Free CancellationRating
8.1
4,662 reviews
Search Southwest flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Schertz
Boerne
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.


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