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Cheap flights from San Antonio to Portland from $125

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:45 pm - 9:55 pmSAT  San Antonio-PDX Portland
6h 10m1 stop Las Vegas Harry Reid Intl
Southwest Logo
7:00 am - 5:10 pmPDX  Portland-SAT San Antonio
8h 10m1 stop Denver Intl
$275Southwest
Wed, Jan 6 - Wed, Jan 13
Southwest Logo
6:20 am - 10:30 amSAT  San Antonio-PDX Portland
6h 10m1 stop Denver Intl
Southwest Logo
10:25 am - 6:05 pmPDX  Portland-SAT San Antonio
5h 40m1 stop Phoenix Sky Harbor Intl
$275Southwest
Wed, Jan 13 - Wed, Jan 20
American Airlines Logo
6:45 pm - 11:48 pmSAT  San Antonio-PDX Portland
7h 03m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
5:00 am - 1:12 pmPDX  Portland-SAT San Antonio
6h 12m1 stop Phoenix Sky Harbor Intl
$291American Airlines
Wed, Jan 13 - Wed, Jan 20
Frontier Logo
8:21 pm - 10:54 amSAT  San Antonio-PDX Portland
16h 33m1 stop Denver Intl
Frontier Logo
11:49 am - 7:26 pmPDX  Portland-SAT San Antonio
5h 37m1 stop Denver Intl
$296Frontier
Sat, Oct 17 - Tue, Oct 20
Frontier Logo
10:52 pm - 12:24 pmSAT  San Antonio-PDX Portland
15h 32m1 stop Las Vegas Harry Reid Intl
Frontier Logo
1:22 pm - 9:34 pmPDX  Portland-SAT San Antonio
6h 12m1 stop Las Vegas Harry Reid Intl
$299Frontier
Thu, Dec 3 - Mon, Dec 7
Delta Logo
6:30 am - 12:18 pmSAT  San Antonio-PDX Portland
7h 48m1 stop Los Angeles Los Angeles
Delta Logo
6:30 am - 2:39 pmPDX  Portland-SAT San Antonio
6h 09m1 stop Los Angeles Los Angeles
$302Delta
Wed, Jan 6 - Thu, Jan 14
Delta Logo
6:30 am - 12:18 pmSAT  San Antonio-PDX Portland
7h 48m1 stop Los Angeles Los Angeles
Delta Logo
5:05 pm - 12:45 amPDX  Portland-SAT San Antonio
5h 40m1 stop Salt Lake City
$321Delta
Sat, Jan 16 - Fri, Jan 22
Alaska Airlines Logo
5:00 pm - 10:17 pmSAT  San Antonio-PDX Portland
7h 17m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:30 am - 10:59 pmPDX  Portland-SAT San Antonio
13h 29m2 stops Seattle/Tacoma Intl Dallas/Fort Worth
$330Alaska Airlines
Sat, Jan 16 - Sat, Jan 23
American Airlines Logo
7:00 pm - 11:55 pmSAT  San Antonio-PDX Portland
6h 55m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
11:49 pm - 8:40 amPDX  Portland-SAT San Antonio
6h 51m1 stop Dallas/Fort Worth
$351American Airlines
Fri, Oct 16 - Fri, Oct 23
Alaska Airlines Logo
2:55 pm - 10:17 pmSAT  San Antonio-PDX Portland
9h 22m2 stops Dallas/Fort Worth Seattle/Tacoma Intl
Alaska Airlines Logo
8:06 pm - 4:04 pmPDX  Portland-SAT San Antonio
17h 58m1 stop Los Angeles Los Angeles
$380Alaska Airlines
Wed, Jan 13 - Wed, Jan 20

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Southwest flights from San Antonio to Portland

Our best Southwest deals on San Antonio to Portland flight tickets
Southwest
Jan 13
SAT6:20 amSan Antonio
6h 10m
1 stop
PDX10:30 amPortland
Jan 20
PDX10:25 amPortland
5h 40m
1 stop
SAT6:05 pmSan Antonio
$275
Southwest
Jan 5
SAT6:55 amSan Antonio
7h 20m
1 stop
PDX12:15 pmPortland
Jan 12
PDX5:10 amPortland
5h 55m
1 stop
SAT1:05 pmSan Antonio
$276
Southwest
Jan 13
SAT6:10 amSan Antonio
6h 45m
1 stop
PDX10:55 amPortland
Jan 20
PDX11:35 amPortland
8h 10m
2 stops
SAT9:45 pmSan Antonio
$280

Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Oct 17
SAT8:21 pmSan Antonio
16h 33m
1 stop
PDX10:54 amPortland
Oct 20
PDX11:49 amPortland
5h 37m
1 stop
SAT7:26 pmSan Antonio
$296
Frontier
Dec 3
SAT10:52 pmSan Antonio
15h 32m
1 stop
PDX12:24 pmPortland
Dec 7
PDX1:22 pmPortland
6h 12m
1 stop
SAT9:34 pmSan Antonio
$299
Frontier
Nov 24
SAT10:11 pmSan Antonio
13h 21m
1 stop
PDX9:32 amPortland
Dec 1
PDX5:09 pmPortland
22h 50m
1 stop
SAT5:59 pmSan Antonio
$318

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 1/6

5:45 pm-9:55 pm

1 stop6h 10m

Portland

Wed 1/13

7:00 am-5:10 pm

1 stop8h 10m

$275
Quickest round-trip

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 1/13

6:20 am-10:30 am

1 stop6h 10m

Portland

Wed 1/20

10:25 am-6:05 pm

1 stop5h 40m

$275

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 1/13

6:45 pm-11:48 pm

1 stop7h 03m

Portland

Wed 1/20

5:00 am-1:12 pm

1 stop6h 12m

$291

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Sat 10/17

8:21 pm-10:54 am

1 stop16h 33m

Portland

Tue 10/20

11:49 am-7:26 pm

1 stop5h 37m

$296

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Thu 12/3

10:52 pm-12:24 pm

1 stop15h 32m

Portland

Mon 12/7

1:22 pm-9:34 pm

1 stop6h 12m

$299

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 1/6

6:30 am-12:18 pm

1 stop7h 48m

Portland

Thu 1/14

6:30 am-2:39 pm

1 stop6h 09m

$302

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Sat 1/16

6:30 am-12:18 pm

1 stop7h 48m

Portland

Fri 1/22

5:05 pm-12:45 am

1 stop5h 40m

$321

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Sat 1/16

5:00 pm-10:17 pm

1 stop7h 17m

Portland

Sat 1/23

7:30 am-10:59 pm

2 stops13h 29m

$330

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Fri 10/16

7:00 pm-11:55 pm

1 stop6h 55m

Portland

Fri 10/23

11:49 pm-8:40 am

1 stop6h 51m

$351

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 1/13

2:55 pm-10:17 pm

2 stops9h 22m

Portland

Wed 1/20

8:06 pm-4:04 pm

1 stop17h 58m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Portland from

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

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 typical price of a round-trip flight between San Antonio and Portland?

Prices are currently low for flights on this route.

Typical prices usually range from $372 to $528.
The lowest price recently found on this route was $275.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from San Antonio is in February. Flight prices, which tend to average around $399, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in February, then you should wait until December to fly from San Antonio, when ticket prices are also cheap, with an average price of $405.

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

You are more likely to see cheaper flights to Portland from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $441 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from San Antonio for as low as $351 on momondo.

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

As of September 2026, prices for San Antonio to Portland flights are approximately 3% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Portland

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

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

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

Best Price Found

$125

Fastest flight time

6h 00m

Direct flights

None
The best one-way flight to Portland from San Antonio in the past 72 hours is $125. The best round-trip flight deal from San Antonio to Portland found on momondo in the last 72 hours is $275.
The fastest flight from San Antonio to Portland takes 6h 00m
There are no direct flights from San Antonio to Portland. There are no popular flight routes from San Antonio to Portland.
Search flight deals

Frequently asked questions about flying from San Antonio to Portland

  • How far is San Antonio to Portland by plane?

    Portland is 1717.5 mi away from San Antonio. Typically, this will take 6h 00m by plane in normal conditions.

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

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

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

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

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Antonio to Portland

Compare and see reviews for airlines that fly from San Antonio to Portland with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $91Free CancellationRating
5.6
2,581 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $157Free CancellationRating
7.9
12,956 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.8
8,595 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,230 reviews
Search United Airlines flights
American AirlinesPriceFrom $315Free CancellationRating
7.0
12,080 reviews
Search American Airlines flights
SouthwestPriceFrom $325Free CancellationRating
8.0
4,196 reviews
Search Southwest flights

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Vancouver
Cannon Beach
Salem
Astoria
Beaverton
Long Beach
Hillsboro
Rockaway Beach
Tigard
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
McMinnville
Depoe Bay
Wilsonville

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Portland. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for San Antonio to Portland flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Portland from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Portland from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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