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Cheap flights from San Antonio to Portland from $152

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
3:19 pm - 11:36 amSAT  San Antonio-PDX Portland
22h 17m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:39 pm - 2:20 pmPDX  Portland-SAT San Antonio
23h 41m1 stop Las Vegas Harry Reid Intl
$338Frontier
Wed, Sep 30 - Mon, Oct 5
Frontier Logo
3:19 pm - 11:36 amSAT  San Antonio-PDX Portland
22h 17m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:39 pm - 2:20 pmPDX  Portland-SAT San Antonio
23h 41m1 stop Las Vegas Harry Reid Intl
$338Frontier
Wed, Sep 23 - Mon, Sep 28
Multiple Airlines Logo
5:29 pm - 11:00 pmSAT  San Antonio-PDX Portland
7h 31m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
12:31 pm - 9:34 pmPDX  Portland-SAT San Antonio
7h 03m1 stop Las Vegas Harry Reid Intl
$345Multiple Airlines
Mon, Nov 16 - Thu, Nov 19
Delta Logo
6:00 pm - 11:59 pmSAT  San Antonio-PDX Portland
7h 59m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
8:44 pm - 9:43 amPDX  Portland-SAT San Antonio
10h 59m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson
$374Delta
Fri, Oct 23 - Mon, Oct 26
Delta Logo
8:00 am - 4:59 pmSAT  San Antonio-PDX Portland
10h 59m2 stops Salt Lake City Seattle/Tacoma Intl
Delta Logo
6:40 am - 5:24 pmPDX  Portland-SAT San Antonio
8h 44m2 stops Seattle/Tacoma Intl Salt Lake City
$374Delta
Wed, Jan 20 - Wed, Jan 27
Southwest Logo
5:10 pm - 10:20 pmSAT  San Antonio-PDX Portland
7h 10m1 stop Phoenix Sky Harbor Intl
Southwest Logo
6:30 am - 2:00 pmPDX  Portland-SAT San Antonio
5h 30m1 stop Denver Intl
$377Southwest
Mon, Oct 19 - Wed, Oct 21
Southwest Logo
4:35 pm - 9:15 pmSAT  San Antonio-PDX Portland
6h 40m1 stop Las Vegas Harry Reid Intl
Southwest Logo
4:10 pm - 12:40 amPDX  Portland-SAT San Antonio
6h 30m1 stop San Diego
$377Southwest
Thu, Oct 15 - Thu, Oct 22
American Airlines Logo
5:00 am - 11:09 amSAT  San Antonio-PDX Portland
8h 09m1 stop Dallas/Fort Worth
American Airlines Logo
1:05 pm - 10:59 pmPDX  Portland-SAT San Antonio
7h 54m1 stop Dallas/Fort Worth
$377American Airlines
Thu, Jan 7 - Wed, Jan 13
American Airlines Logo
8:38 am - 1:32 pmSAT  San Antonio-PDX Portland
6h 54m1 stop Dallas/Fort Worth
American Airlines Logo
11:49 pm - 8:40 amPDX  Portland-SAT San Antonio
6h 51m1 stop Dallas/Fort Worth
$377American Airlines
Tue, Oct 6 - Tue, Oct 13
Multiple Airlines Logo
5:29 pm - 9:55 pmSAT  San Antonio-PDX Portland
6h 26m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
12:31 pm - 9:34 pmPDX  Portland-SAT San Antonio
7h 03m1 stop Las Vegas Harry Reid Intl
$388Multiple Airlines
Fri, Nov 13 - Mon, Nov 16

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Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Sep 23
SAT3:19 pmSan Antonio
22h 17m
1 stop
PDX11:36 amPortland
Sep 28
PDX12:39 pmPortland
23h 41m
1 stop
SAT2:20 pmSan Antonio
$338
Frontier
Oct 12
SAT8:21 pmSan Antonio
16h 33m
1 stop
PDX10:54 amPortland
Oct 23
PDX12:25 pmPortland
7h 24m
1 stop
SAT9:49 pmSan Antonio
$342
Frontier
Oct 12
SAT8:21 pmSan Antonio
16h 33m
1 stop
PDX10:54 amPortland
Oct 23
PDX12:25 pmPortland
7h 24m
1 stop
SAT9:49 pmSan Antonio
$347

Delta flights from San Antonio to Portland

Our best Delta deals on San Antonio to Portland flight tickets
Delta
Jan 7
SAT4:10 pmSan Antonio
9h 22m
2 stops
PDX11:32 pmPortland
Jan 13
PDX6:40 amPortland
8h 44m
2 stops
SAT5:24 pmSan Antonio
$374
Delta
Dec 9
SAT7:01 amSan Antonio
7h 02m
1 stop
PDX12:03 pmPortland
Dec 14
PDX11:17 pmPortland
9h 38m
1 stop
SAT10:55 amSan Antonio
$377
Delta
Nov 13
SAT12:45 pmSan Antonio
11h 12m
2 stops
PDX9:57 pmPortland
Nov 16
PDX7:35 pmPortland
12h 19m
2 stops
SAT9:54 amSan Antonio
$384

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 9/30

3:19 pm-11:36 am

1 stop22h 17m

Portland

Mon 10/5

12:39 pm-2:20 pm

1 stop23h 41m

$338

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 9/23

3:19 pm-11:36 am

1 stop22h 17m

Portland

Mon 9/28

12:39 pm-2:20 pm

1 stop23h 41m

$338

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Mon 11/16

5:29 pm-11:00 pm

1 stop7h 31m

Portland

Thu 11/19

12:31 pm-9:34 pm

1 stop7h 03m

$345

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Fri 10/23

6:00 pm-11:59 pm

2 stops7h 59m

Portland

Mon 10/26

8:44 pm-9:43 am

2 stops10h 59m

$374

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 1/20

8:00 am-4:59 pm

2 stops10h 59m

Portland

Wed 1/27

6:40 am-5:24 pm

2 stops8h 44m

$374
Quickest round-trip

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Mon 10/19

5:10 pm-10:20 pm

1 stop7h 10m

Portland

Wed 10/21

6:30 am-2:00 pm

1 stop5h 30m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Thu 10/15

4:35 pm-9:15 pm

1 stop6h 40m

Portland

Thu 10/22

4:10 pm-12:40 am

1 stop6h 30m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Thu 1/7

5:00 am-11:09 am

1 stop8h 09m

Portland

Wed 1/13

1:05 pm-10:59 pm

1 stop7h 54m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Tue 10/6

8:38 am-1:32 pm

1 stop6h 54m

Portland

Tue 10/13

11:49 pm-8:40 am

1 stop6h 51m

$377

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Fri 11/13

5:29 pm-9:55 pm

1 stop6h 26m

Portland

Mon 11/16

12:31 pm-9:34 pm

1 stop7h 03m

$388

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $376 to $538.
The lowest price recently found on this route was $338.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from San Antonio is in October. Flight prices, which tend to average around $395, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in October, then you should wait until February to fly from San Antonio, when ticket prices are also cheap, with an average price of $399.

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 $436 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

$152

Fastest flight time

6h 00m

Direct flights

None
The best one-way flight to Portland from San Antonio in the past 72 hours is $152. The best round-trip flight deal from San Antonio to Portland found on momondo in the last 72 hours is $338.
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
2,611 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $157Free CancellationRating
7.9
12,904 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.8
8,553 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,194 reviews
Search United Airlines flights
American AirlinesPriceFrom $315Free CancellationRating
7.1
12,045 reviews
Search American Airlines flights
SouthwestPriceFrom $325Free CancellationRating
8.0
4,195 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
Salem
Cannon Beach
Astoria
Beaverton
Long Beach
Rockaway Beach
Hillsboro
Tigard
Hood River
Longview
Depoe Bay
Newberg
Clackamas
Troutdale
Gresham
McMinnville
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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