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Cheap flights from San Antonio to Portland from $134

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
6:44 pm - 12:53 pmSAT  San Antonio-PDX Portland
20h 09m1 stop Denver Intl
Frontier Logo
5:10 pm - 6:01 pmPDX  Portland-SAT San Antonio
22h 51m1 stop Denver Intl
$255Frontier
Wed, Dec 2 - Tue, Dec 8
Frontier Logo
6:47 pm - 1:03 pmSAT  San Antonio-PDX Portland
20h 16m1 stop Denver Intl
Frontier Logo
5:10 pm - 6:01 pmPDX  Portland-SAT San Antonio
22h 51m1 stop Denver Intl
$258Frontier
Sat, Dec 12 - Tue, Dec 15
Delta Logo
6:30 pm - 11:46 pmSAT  San Antonio-PDX Portland
7h 16m1 stop Minneapolis St Paul
Delta Logo
6:20 am - 2:55 pmPDX  Portland-SAT San Antonio
6h 35m1 stop Los Angeles
$325Delta
Wed, Nov 25 - Wed, Dec 2
Delta Logo
7:01 am - 12:00 pmSAT  San Antonio-PDX Portland
6h 59m1 stop Los Angeles
Delta Logo
11:17 pm - 10:54 amPDX  Portland-SAT San Antonio
9h 37m1 stop Detroit Metropolitan Wayne County
$325Delta
Wed, Dec 9 - Mon, Dec 14
American Airlines Logo
8:00 am - 1:39 pmSAT  San Antonio-PDX Portland
7h 39m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 4:05 pmPDX  Portland-SAT San Antonio
7h 05m1 stop Los Angeles
$325American Airlines
Thu, Nov 26 - Thu, Dec 3
American Airlines Logo
7:10 pm - 11:16 pmSAT  San Antonio-PDX Portland
6h 06m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:50 am - 5:00 pmPDX  Portland-SAT San Antonio
8h 10m1 stop Dallas/Fort Worth
$325American Airlines
Tue, Dec 1 - Tue, Dec 8
Southwest Logo
6:35 am - 10:55 amSAT  San Antonio-PDX Portland
6h 20m1 stop Phoenix Sky Harbor Intl
Southwest Logo
11:25 am - 9:45 pmPDX  Portland-SAT San Antonio
8h 20m2 stops Las Vegas Harry Reid Intl Denver Intl
$330Southwest
Sat, Dec 12 - Tue, Dec 15
United Airlines Logo
2:18 pm - 10:45 pmSAT  San Antonio-PDX Portland
10h 27m2 stops Houston George Bush Intcntl San Francisco
United Airlines Logo
8:50 am - 4:43 pmPDX  Portland-SAT San Antonio
5h 53m1 stop Denver Intl
$330United Airlines
Mon, Dec 7 - Sat, Dec 12
United Airlines Logo
4:48 pm - 12:44 amSAT  San Antonio-PDX Portland
9h 56m2 stops Denver Intl San Francisco
United Airlines Logo
5:00 am - 12:46 pmPDX  Portland-SAT San Antonio
5h 46m1 stop Denver Intl
$343United Airlines
Wed, Nov 25 - Wed, Dec 2
Southwest Logo
5:50 am - 10:20 amSAT  San Antonio-PDX Portland
6h 30m1 stop Dallas Love Field
Southwest Logo
12:10 pm - 7:45 pmPDX  Portland-SAT San Antonio
5h 35m1 stop Dallas Love Field
$345Southwest
Tue, Dec 1 - Sat, Dec 5

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Delta flights from San Antonio to Portland

Our best Delta deals on San Antonio to Portland flight tickets
Delta
Nov 25
SAT6:30 pmSan Antonio
7h 16m
1 stop
PDX11:46 pmPortland
Nov 26
PDX11:51 amPortland
9h 40m
1 stop
SAT11:31 pmSan Antonio
$325
Delta
Dec 17
SAT2:29 pmSan Antonio
7h 55m
1 stop
PDX8:24 pmPortland
Dec 22
PDX9:57 amPortland
7h 06m
1 stop
SAT7:03 pmSan Antonio
$359
Delta
Dec 9
SAT7:01 amSan Antonio
6h 59m
1 stop
PDX12:00 pmPortland
Dec 14
PDX11:17 pmPortland
9h 37m
1 stop
SAT10:54 amSan Antonio
$377

Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Dec 2
SAT6:44 pmSan Antonio
20h 09m
1 stop
PDX12:53 pmPortland
Dec 8
PDX5:10 pmPortland
22h 51m
1 stop
SAT6:01 pmSan Antonio
$255
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
$258
Frontier
Nov 23
SAT8:28 pmSan Antonio
25h 28m
1 stop
PDX7:56 pmPortland
Dec 1
PDX5:09 pmPortland
22h 50m
1 stop
SAT5:59 pmSan Antonio
$265

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 12/2

6:44 pm-12:53 pm

1 stop20h 09m

Portland

Tue 12/8

5:10 pm-6:01 pm

1 stop22h 51m

$255

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Sat 12/12

6:47 pm-1:03 pm

1 stop20h 16m

Portland

Tue 12/15

5:10 pm-6:01 pm

1 stop22h 51m

$258

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 11/25

6:30 pm-11:46 pm

1 stop7h 16m

Portland

Wed 12/2

6:20 am-2:55 pm

1 stop6h 35m

$325

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 12/9

7:01 am-12:00 pm

1 stop6h 59m

Portland

Mon 12/14

11:17 pm-10:54 am

1 stop9h 37m

$325

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Thu 11/26

8:00 am-1:39 pm

1 stop7h 39m

Portland

Thu 12/3

7:00 am-4:05 pm

1 stop7h 05m

$325

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Tue 12/1

7:10 pm-11:16 pm

1 stop6h 06m

Portland

Tue 12/8

6:50 am-5:00 pm

1 stop8h 10m

$325

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Sat 12/12

6:35 am-10:55 am

1 stop6h 20m

Portland

Tue 12/15

11:25 am-9:45 pm

2 stops8h 20m

$330

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Mon 12/7

2:18 pm-10:45 pm

2 stops10h 27m

Portland

Sat 12/12

8:50 am-4:43 pm

1 stop5h 53m

$330

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Wed 11/25

4:48 pm-12:44 am

2 stops9h 56m

Portland

Wed 12/2

5:00 am-12:46 pm

1 stop5h 46m

$343
Quickest round-trip

San AntonioPortland

SAT San Antonio - PDX Portland

SATPDX

San Antonio

Tue 12/1

5:50 am-10:20 am

1 stop6h 30m

Portland

Sat 12/5

12:10 pm-7:45 pm

1 stop5h 35m

$345

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 $398 to $596.
The lowest price recently found on this route was $255.

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 127% 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

$134

Fastest flight time

5h 40m

Direct flights

None
The best one-way flight to Portland from San Antonio in the past 72 hours is $134. The best round-trip flight deal from San Antonio to Portland found on momondo in the last 72 hours is $255.
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
FrontierPriceFrom $163Free CancellationRating
5.5
2,515 reviews
Search Frontier flights
DeltaPriceFrom $237Free CancellationRating
7.8
8,691 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.3
10,454 reviews
Search United Airlines flights
American AirlinesPriceFrom $315Free CancellationRating
7.0
12,209 reviews
Search American Airlines flights
SouthwestPriceFrom $325Free CancellationRating
7.9
4,217 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
Cannon Beach
Vancouver
Salem
Astoria
Beaverton
Long Beach
Rockaway Beach
Hillsboro
Tigard
Longview
Hood River
Newberg
Clackamas
Gresham
Troutdale
Wilsonville
Depoe Bay
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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