Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Portland from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Portland departing on 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
10:24 pm - 5:21 pm
SAT
-
PDX
20h 57m
1 stop
Frontier Logo
5:56 pm - 7:31 pm
PDX
-
SAT
23h 35m
1 stop
$230Frontier
Thu, Aug 27 - Wed, Sep 2
Frontier Logo
10:41 pm - 8:39 pm
SAT
-
PDX
23h 58m
1 stop
Frontier Logo
5:35 pm - 11:21 am
PDX
-
SAT
15h 46m
1 stop
$238Frontier
Thu, Oct 8 - Tue, Oct 13
Southwest Logo
2:30 pm - 8:20 pm
SAT
-
PDX
7h 50m
1 stop
Southwest Logo
10:10 am - 5:35 pm
PDX
-
SAT
5h 25m
1 stop
$323Southwest
Mon, Nov 9 - Wed, Nov 11
Southwest Logo
5:55 pm - 10:00 pm
SAT
-
PDX
6h 05m
1 stop
Southwest Logo
3:30 pm - 11:00 pm
PDX
-
SAT
5h 30m
1 stop
$323Southwest
Tue, Sep 22 - Thu, Oct 1
Delta Logo
7:20 am - 12:52 pm
SAT
-
PDX
7h 32m
1 stop
Delta Logo
11:10 pm - 10:40 am
PDX
-
SAT
9h 30m
1 stop
$323Delta
Thu, Oct 1 - Mon, Oct 5
Delta Logo
6:35 am - 12:10 pm
SAT
-
PDX
7h 35m
1 stop
Delta Logo
6:08 am - 2:49 pm
PDX
-
SAT
6h 41m
1 stop
$323Delta
Sun, Sep 6 - Fri, Sep 11
American Airlines Logo
6:00 am - 10:50 am
SAT
-
PDX
6h 50m
1 stop
American Airlines Logo
11:58 am - 10:00 pm
PDX
-
SAT
8h 02m
1 stop
$323American Airlines
Tue, Sep 1 - Sat, Sep 5
United Airlines Logo
4:39 pm - 9:05 pm
SAT
-
PDX
6h 26m
1 stop
United Airlines Logo
10:43 am - 8:42 pm
PDX
-
SAT
7h 59m
1 stop
$323United Airlines
Mon, Sep 21 - Tue, Sep 29
United Airlines Logo
5:30 am - 9:32 am
SAT
-
PDX
6h 02m
1 stop
United Airlines Logo
12:57 pm - 10:51 pm
PDX
-
SAT
7h 54m
1 stop
$323United Airlines
Tue, Sep 22 - Tue, Sep 29
American Airlines Logo
2:45 pm - 9:36 pm
SAT
-
PDX
8h 51m
1 stop
American Airlines Logo
2:07 pm - 10:50 pm
PDX
-
SAT
6h 43m
1 stop
$328American Airlines
Sat, Sep 5 - Sat, Sep 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from San Antonio to Portland

Our best Delta deals on San Antonio to Portland flight tickets
Delta
Sep 9
SAT6:45 amSan Antonio
7h 30m
1 stop
PDX12:15 pmPortland
Sep 12
PDX6:08 amPortland
6h 38m
1 stop
SAT2:46 pmSan Antonio
$333
Delta
Sep 1
SAT6:30 amSan Antonio
9h 08m
1 stop
PDX1:38 pmPortland
Sep 6
PDX5:45 amPortland
5h 46m
1 stop
SAT1:31 pmSan Antonio
$335
Delta
Aug 17
SAT6:04 pmSan Antonio
7h 16m
1 stop
PDX11:20 pmPortland
Aug 21
PDX5:08 pmPortland
5h 18m
1 stop
SAT12:26 amSan Antonio
$432

American Airlines flights from San Antonio to Portland

Our best American Airlines deals on San Antonio to Portland flight tickets
American Airlines
Aug 9
SAT8:00 amSan Antonio
10h 51m
2 stops
PDX4:51 pmPortland
Aug 18
PDX5:15 amPortland
6h 06m
1 stop
SAT1:21 pmSan Antonio
$578
American Airlines
Aug 10
SAT2:45 pmSan Antonio
11h 14m
2 stops
PDX11:59 pmPortland
Aug 15
PDX5:15 amPortland
8h 33m
2 stops
SAT3:48 pmSan Antonio
$699
American Airlines
Aug 8
SAT8:54 amSan Antonio
9h 57m
1 stop
PDX4:51 pmPortland
Aug 15
PDX5:15 amPortland
6h 06m
1 stop
SAT1:21 pmSan Antonio
$719

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 4, 2026.
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 - PDX

SATPDX

San Antonio

Thu 8/27

10:24 pm-5:21 pm

1 stop20h 57m

Portland

Wed 9/2

5:56 pm-7:31 pm

1 stop23h 35m

$230

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 10/8

10:41 pm-8:39 pm

1 stop23h 58m

Portland

Tue 10/13

5:35 pm-11:21 am

1 stop15h 46m

$238

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 11/9

2:30 pm-8:20 pm

1 stop7h 50m

Portland

Wed 11/11

10:10 am-5:35 pm

1 stop5h 25m

$323
Quickest round-trip

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Tue 9/22

5:55 pm-10:00 pm

1 stop6h 05m

Portland

Thu 10/1

3:30 pm-11:00 pm

1 stop5h 30m

$323

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 10/1

7:20 am-12:52 pm

1 stop7h 32m

Portland

Mon 10/5

11:10 pm-10:40 am

1 stop9h 30m

$323

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sun 9/6

6:35 am-12:10 pm

1 stop7h 35m

Portland

Fri 9/11

6:08 am-2:49 pm

1 stop6h 41m

$323

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Tue 9/1

6:00 am-10:50 am

1 stop6h 50m

Portland

Sat 9/5

11:58 am-10:00 pm

1 stop8h 02m

$323

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 9/21

4:39 pm-9:05 pm

1 stop6h 26m

Portland

Tue 9/29

10:43 am-8:42 pm

1 stop7h 59m

$323

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Tue 9/22

5:30 am-9:32 am

1 stop6h 02m

Portland

Tue 9/29

12:57 pm-10:51 pm

1 stop7h 54m

$323

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 9/5

2:45 pm-9:36 pm

1 stop8h 51m

Portland

Sat 9/12

2:07 pm-10:50 pm

1 stop6h 43m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $315 to $496.
The lowest price recently found on this route was $230.

What is the cheapest month to fly to Portland?

The cheapest month to fly to Portland from San Antonio is in September. Flight prices, which tend to average around $341, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until October to fly from San Antonio, when ticket prices are also cheap, with an average price of $369.

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 $421 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 August 2026, prices for San Antonio to Portland flights are approximately 100% 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

Fastest flight time

6h 20m

Direct flights

None
The fastest flight from San Antonio to Portland takes 6h 20m
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 20m 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
2,735 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $157Free CancellationRating
7.9
12,761 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.8
8,482 reviews
Search Delta flights
SouthwestPriceFrom $300Free CancellationRating
8.0
4,221 reviews
Search Southwest flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
American AirlinesPriceFrom $315Free CancellationRating
7.1
11,847 reviews
Search American Airlines flights

  • Southwest Flights From San Antonio to Portland

    Southwest operates around 1 flight from San Antonio to Portland every week. The average price of these flights found in the last 72 hours has been $473, but momondo users have found Southwest deals from San Antonio to Portland from as low as $300 round-trip. Southwest has been scored 8.0/10 in 4,224 reviews.

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.

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 9/3
Thu 9/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States