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Cheap flights from San Antonio to Portland from $127

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.
Frontier Logo
10:11 pm - 5:34 pmSAT  San Antonio-PDX Portland
21h 23m1 stop Las Vegas Harry Reid Intl
Frontier Logo
5:09 pm - 5:59 pmPDX  Portland-SAT San Antonio
22h 50m1 stop Denver Intl
$265Frontier
Mon, Nov 23 - Tue, Dec 1
Frontier Logo
11:56 am - 10:04 pmSAT  San Antonio-PDX Portland
12h 08m1 stop Las Vegas Harry Reid Intl
Frontier Logo
10:59 pm - 11:01 amPDX  Portland-SAT San Antonio
10h 02m1 stop Las Vegas Harry Reid Intl
$328Frontier
Fri, Jan 29 - Sun, Jan 31
Multiple Airlines Logo
5:00 pm - 10:17 pmSAT  San Antonio-PDX Portland
7h 17m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
10:59 pm - 11:01 amPDX  Portland-SAT San Antonio
10h 02m1 stop Las Vegas Harry Reid Intl
$358Multiple Airlines
Tue, Jan 26 - Sun, Jan 31
Multiple Airlines Logo
10:29 pm - 11:36 amSAT  San Antonio-PDX Portland
15h 07m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
10:47 am - 7:25 pmPDX  Portland-SAT San Antonio
6h 38m1 stop Denver Intl
$362Multiple Airlines
Wed, Nov 11 - Wed, Nov 18
Southwest Logo
11:00 am - 3:00 pmSAT  San Antonio-PDX Portland
6h 00m1 stop Phoenix Sky Harbor Intl
Southwest Logo
4:25 pm - 12:30 amPDX  Portland-SAT San Antonio
6h 05m1 stop San Diego
$377Southwest
Wed, Dec 16 - Sun, Dec 20
Southwest Logo
6:20 am - 10:40 amSAT  San Antonio-PDX Portland
6h 20m1 stop Las Vegas Harry Reid Intl
Southwest Logo
6:55 am - 3:35 pmPDX  Portland-SAT San Antonio
6h 40m1 stop Las Vegas Harry Reid Intl
$377Southwest
Fri, Dec 25 - Tue, Jan 5
Delta Logo
2:00 pm - 8:23 pmSAT  San Antonio-PDX Portland
8h 23m1 stop Minneapolis St Paul
Delta Logo
11:40 am - 10:27 pmPDX  Portland-SAT San Antonio
8h 47m1 stop Atlanta Hartsfield-Jackson
$377Delta
Wed, Jan 13 - Wed, Jan 20
Delta Logo
4:10 pm - 10:26 pmSAT  San Antonio-PDX Portland
8h 16m1 stop Los Angeles
Delta Logo
6:00 am - 1:34 pmPDX  Portland-SAT San Antonio
5h 34m1 stop Salt Lake City
$377Delta
Thu, Jan 28 - Sat, Jan 30
American Airlines Logo
8:23 am - 1:08 pmSAT  San Antonio-PDX Portland
6h 45m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:51 am - 4:09 pmPDX  Portland-SAT San Antonio
7h 18m1 stop Los Angeles
$377American Airlines
Tue, Nov 3 - Fri, Nov 13
American Airlines Logo
5:00 am - 11:11 amSAT  San Antonio-PDX Portland
8h 11m1 stop Dallas/Fort Worth
American Airlines Logo
1:05 pm - 8:57 pmPDX  Portland-SAT San Antonio
5h 52m1 stop Dallas/Fort Worth
$377American Airlines
Fri, Jan 22 - Mon, Jan 25

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Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Nov 23
SAT10:11 pmSan Antonio
21h 23m
1 stop
PDX5:34 pmPortland
Dec 1
PDX5:09 pmPortland
22h 50m
1 stop
SAT5:59 pmSan Antonio
$265
Frontier
Oct 22
SAT10:34 pmSan Antonio
15h 06m
1 stop
PDX11:40 amPortland
Oct 25
PDX11:49 amPortland
5h 37m
1 stop
SAT7:26 pmSan Antonio
$324
Frontier
Nov 25
SAT8:28 pmSan Antonio
18h 29m
1 stop
PDX12:57 pmPortland
Dec 1
PDX5:09 pmPortland
22h 50m
1 stop
SAT5:59 pmSan Antonio
$328

Delta flights from San Antonio to Portland

Our best Delta deals on San Antonio to Portland flight tickets
Delta
Nov 24
SAT6:30 pmSan Antonio
7h 16m
1 stop
PDX11:46 pmPortland
Dec 1
PDX1:00 pmPortland
9h 05m
1 stop
SAT12:05 amSan Antonio
$377
Delta
Nov 22
SAT7:01 amSan Antonio
7h 07m
1 stop
PDX12:08 pmPortland
Dec 2
PDX1:00 pmPortland
9h 05m
1 stop
SAT12:05 amSan Antonio
$382
Delta
Nov 25
SAT6:30 pmSan Antonio
7h 16m
1 stop
PDX11:46 pmPortland
Dec 2
PDX11:59 amPortland
7h 32m
1 stop
SAT9:31 pmSan Antonio
$393

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

Mon 11/23

10:11 pm-5:34 pm

1 stop21h 23m

Portland

Tue 12/1

5:09 pm-5:59 pm

1 stop22h 50m

$265

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Fri 1/29

11:56 am-10:04 pm

1 stop12h 08m

Portland

Sun 1/31

10:59 pm-11:01 am

1 stop10h 02m

$328

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Tue 1/26

5:00 pm-10:17 pm

1 stop7h 17m

Portland

Sun 1/31

10:59 pm-11:01 am

1 stop10h 02m

$358

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 11/11

10:29 pm-11:36 am

1 stop15h 07m

Portland

Wed 11/18

10:47 am-7:25 pm

1 stop6h 38m

$362
Quickest round-trip

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 12/16

11:00 am-3:00 pm

1 stop6h 00m

Portland

Sun 12/20

4:25 pm-12:30 am

1 stop6h 05m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Fri 12/25

6:20 am-10:40 am

1 stop6h 20m

Portland

Tue 1/5

6:55 am-3:35 pm

1 stop6h 40m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 1/13

2:00 pm-8:23 pm

1 stop8h 23m

Portland

Wed 1/20

11:40 am-10:27 pm

1 stop8h 47m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Thu 1/28

4:10 pm-10:26 pm

1 stop8h 16m

Portland

Sat 1/30

6:00 am-1:34 pm

1 stop5h 34m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Tue 11/3

8:23 am-1:08 pm

1 stop6h 45m

Portland

Fri 11/13

6:51 am-4:09 pm

1 stop7h 18m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Fri 1/22

5:00 am-11:11 am

1 stop8h 11m

Portland

Mon 1/25

1:05 pm-8:57 pm

1 stop5h 52m

$377

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 $392 to $566.
The lowest price recently found on this route was $265.

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 $408.

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 $446 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 $354 on momondo.

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

As of October 2026, prices for San Antonio to Portland flights are approximately 116% 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

$127

Fastest flight time

5h 40m

Direct flights

None
The best one-way flight to Portland from San Antonio in the past 72 hours is $127. The best round-trip flight deal from San Antonio to Portland found on momondo in the last 72 hours is $265.
The fastest flight from San Antonio to Portland takes 5h 40m
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 5h 40m 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
Alaska AirlinesPriceFrom $157Free CancellationRating
7.9
13,072 reviews
Search Alaska Airlines flights
FrontierPriceFrom $187Free CancellationRating
5.5
2,538 reviews
Search Frontier flights
DeltaPriceFrom $237Free CancellationRating
7.8
8,651 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,366 reviews
Search United Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.0
12,169 reviews
Search American Airlines flights
SouthwestPriceFrom $325Free CancellationRating
7.9
4,217 reviews
Search Southwest flights

  • United Airlines Flights From San Antonio to Portland

    United Airlines operates around 3 flights from San Antonio to Portland every week. The average price of these flights found in the last 72 hours has been $476, but momondo users have found United Airlines deals from San Antonio to Portland from as low as $298 round-trip. United Airlines has been scored 7.4/10 in 10,366 reviews.

Traveling to a place near Portland?

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

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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