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Cheap flights from San Antonio to Portland from $135

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
8:21 pm - 10:54 amSAT  San Antonio-PDX Portland
16h 33m1 stop Denver Intl
Frontier Logo
12:25 pm - 1:52 pmPDX  Portland-SAT San Antonio
23h 27m1 stop Las Vegas Harry Reid Intl
$264Frontier
Wed, Oct 14 - Fri, Oct 16
Frontier Logo
8:20 pm - 11:43 amSAT  San Antonio-PDX Portland
17h 23m1 stop Denver Intl
Frontier Logo
12:39 pm - 2:20 pmPDX  Portland-SAT San Antonio
23h 41m1 stop Las Vegas Harry Reid Intl
$264Frontier
Sat, Sep 19 - Mon, Sep 21
Multiple Airlines Logo
5:29 pm - 10:01 pmSAT  San Antonio-PDX Portland
6h 32m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
12:38 pm - 7:25 pmPDX  Portland-SAT San Antonio
28h 47m1 stop Denver Intl
$325Multiple Airlines
Mon, Sep 21 - Fri, Sep 25
Delta Logo
6:24 pm - 11:44 pmSAT  San Antonio-PDX Portland
7h 20m1 stop Minneapolis St Paul
Delta Logo
11:12 pm - 10:40 amPDX  Portland-SAT San Antonio
9h 28m1 stop Detroit Metropolitan Wayne County
$337Delta
Thu, Oct 15 - Mon, Oct 19
Delta Logo
4:50 pm - 10:27 pmSAT  San Antonio-PDX Portland
7h 37m1 stop Los Angeles Los Angeles
Delta Logo
10:57 pm - 9:47 amPDX  Portland-SAT San Antonio
8h 50m1 stop Atlanta Hartsfield-Jackson
$337Delta
Mon, Sep 21 - Mon, Sep 28
American Airlines Logo
7:10 pm - 11:12 pmSAT  San Antonio-PDX Portland
6h 02m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
2:07 pm - 10:50 pmPDX  Portland-SAT San Antonio
6h 43m1 stop Dallas/Fort Worth
$337American Airlines
Thu, Sep 24 - Wed, Sep 30
American Airlines Logo
2:55 pm - 10:00 pmSAT  San Antonio-PDX Portland
9h 05m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 2:49 pmPDX  Portland-SAT San Antonio
6h 49m1 stop Dallas/Fort Worth
$337American Airlines
Sat, Nov 7 - Sat, Nov 14
United Airlines Logo
8:56 am - 1:25 pmSAT  San Antonio-PDX Portland
6h 29m1 stop Denver Intl
United Airlines Logo
9:00 am - 5:27 pmPDX  Portland-SAT San Antonio
6h 27m1 stop San Francisco
$337United Airlines
Sat, Nov 7 - Tue, Nov 10
United Airlines Logo
5:30 am - 9:28 amSAT  San Antonio-PDX Portland
5h 58m1 stop Denver Intl
United Airlines Logo
1:03 pm - 9:59 pmPDX  Portland-SAT San Antonio
6h 56m1 stop San Francisco
$337United Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
10:51 am - 6:37 pmSAT  San Antonio-PDX Portland
9h 46m2 stops Dallas/Fort Worth San Diego
Multiple Airlines Logo
11:49 am - 7:26 pmPDX  Portland-SAT San Antonio
5h 37m1 stop Denver Intl
$343Multiple Airlines
Thu, Oct 1 - Tue, Oct 13

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Alaska Airlines flights from San Antonio to Portland

Our best Alaska Airlines deals on San Antonio to Portland flight tickets
Alaska Airlines
Nov 17
SAT5:29 pmSan Antonio
7h 31m
1 stop
PDX11:00 pmPortland
Nov 22
PDX8:00 amPortland
6h 57m
1 stop
SAT4:57 pmSan Antonio
$380
Alaska Airlines
Nov 11
SAT5:29 pmSan Antonio
7h 31m
1 stop
PDX11:00 pmPortland
Nov 12
PDX7:08 amPortland
7h 11m
1 stop
SAT4:19 pmSan Antonio
$392
Alaska Airlines
Sep 1
SAT10:59 amSan Antonio
9h 38m
2 stops
PDX6:37 pmPortland
Sep 5
PDX8:07 amPortland
6h 06m
1 stop
SAT4:13 pmSan Antonio
$517

Delta flights from San Antonio to Portland

Our best Delta deals on San Antonio to Portland flight tickets
Delta
Sep 21
SAT4:50 pmSan Antonio
7h 37m
1 stop
PDX10:27 pmPortland
Sep 28
PDX10:57 pmPortland
8h 50m
1 stop
SAT9:47 amSan Antonio
$337
Delta
Sep 18
SAT4:50 pmSan Antonio
7h 37m
1 stop
PDX10:27 pmPortland
Sep 23
PDX6:00 amPortland
9h 10m
1 stop
SAT5:10 pmSan Antonio
$353
Delta
Sep 11
SAT4:50 pmSan Antonio
7h 37m
1 stop
PDX10:27 pmPortland
Sep 14
PDX1:49 pmPortland
8h 24m
1 stop
SAT12:13 amSan Antonio
$357

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 10/14

8:21 pm-10:54 am

1 stop16h 33m

Portland

Fri 10/16

12:25 pm-1:52 pm

1 stop23h 27m

$264

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Sat 9/19

8:20 pm-11:43 am

1 stop17h 23m

Portland

Mon 9/21

12:39 pm-2:20 pm

1 stop23h 41m

$264

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Mon 9/21

5:29 pm-10:01 pm

1 stop6h 32m

Portland

Fri 9/25

12:38 pm-7:25 pm

1 stop28h 47m

$325

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Thu 10/15

6:24 pm-11:44 pm

1 stop7h 20m

Portland

Mon 10/19

11:12 pm-10:40 am

1 stop9h 28m

$337

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Mon 9/21

4:50 pm-10:27 pm

1 stop7h 37m

Portland

Mon 9/28

10:57 pm-9:47 am

1 stop8h 50m

$337
Quickest round-trip

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Thu 9/24

7:10 pm-11:12 pm

1 stop6h 02m

Portland

Wed 9/30

2:07 pm-10:50 pm

1 stop6h 43m

$337

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Sat 11/7

2:55 pm-10:00 pm

1 stop9h 05m

Portland

Sat 11/14

6:00 am-2:49 pm

1 stop6h 49m

$337

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Sat 11/7

8:56 am-1:25 pm

1 stop6h 29m

Portland

Tue 11/10

9:00 am-5:27 pm

1 stop6h 27m

$337

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 10/7

5:30 am-9:28 am

1 stop5h 58m

Portland

Wed 10/14

1:03 pm-9:59 pm

1 stop6h 56m

$337

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Thu 10/1

10:51 am-6:37 pm

2 stops9h 46m

Portland

Tue 10/13

11:49 am-7:26 pm

1 stop5h 37m

$343

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 $308 to $504.
The lowest price recently found on this route was $264.

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 $386, 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 $430 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 $356 on momondo.

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

As of August 2026, prices for San Antonio to Portland flights are approximately 104% 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

$135

Fastest flight time

6h 02m

Direct flights

None
The best one-way flight to Portland from San Antonio in the past 72 hours is $135. The best round-trip flight deal from San Antonio to Portland found on momondo in the last 72 hours is $264.
The fastest flight from San Antonio to Portland takes 6h 02m
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 02m 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
2,651 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $157Free CancellationRating
7.9
12,840 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.8
8,518 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,116 reviews
Search United Airlines flights
American AirlinesPriceFrom $315Free CancellationRating
7.1
11,985 reviews
Search American Airlines flights
SouthwestPriceFrom $325Free CancellationRating
8.0
4,209 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
Long Beach
Beaverton
Rockaway Beach
Hillsboro
Tigard
Depoe Bay
Longview
Hood River
Newberg
Clackamas
Troutdale
Gresham
Kelso
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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