$139 Cheap Flights from San Antonio (SAT) to Portland (PWM)

View $139 flight on Thu, Dec 25, 2025Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Portland Intl. Jetport Airport (PWM)

Cheap Flights from San Antonio to Portland (SAT-PWM)

Prices were available within the past 7 days and start at $139 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Dec 13 - Tue, Dec 16
SAT
San Antonio
PWM
Portland
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Dec 13 from San Antonio to Portland, returning Tue, Dec 16, priced at $277 found 5 days ago
Delta
Sat, Dec 13 - Mon, Dec 15
SAT
San Antonio
PWM
Portland
$281 Roundtrip, found 5 days ago
$281
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Dec 13 from San Antonio to Portland, returning Mon, Dec 15, priced at $281 found 5 days ago
Delta
Sat, Dec 13 - Thu, Dec 18
SAT
San Antonio
PWM
Portland
$284 Roundtrip, found 6 days ago
$284
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 13 from San Antonio to Portland, returning Thu, Dec 18, priced at $284 found 6 days ago
United
Sat, Dec 13 - Thu, Dec 18
SAT
San Antonio
PWM
Portland
$290 Roundtrip, found 6 days ago
$290
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 13 from San Antonio to Portland, returning Thu, Dec 18, priced at $290 found 6 days ago
American Airlines
Tue, Dec 2 - Sat, Dec 6
SAT
San Antonio
PWM
Portland
$295 Roundtrip, found 6 days ago
$295
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Dec 2 from San Antonio to Portland, returning Sat, Dec 6, priced at $295 found 6 days ago
Delta
Sat, Nov 15 - Sat, Dec 6
SAT
San Antonio
PWM
Portland
$297 Roundtrip, found 6 days ago
$297
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov 15 from San Antonio to Portland, returning Sat, Dec 6, priced at $297 found 6 days ago
United
Tue, Dec 2 - Sat, Dec 6
SAT
San Antonio
PWM
Portland
$300 Roundtrip, found 6 days ago
$300
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 2 from San Antonio to Portland, returning Sat, Dec 6, priced at $300 found 6 days ago
Delta
Sat, Nov 15 - Thu, Dec 4
SAT
San Antonio
PWM
Portland
$301 Roundtrip, found 6 days ago
$301
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Nov 15 from San Antonio to Portland, returning Thu, Dec 4, priced at $301 found 6 days ago
Delta
Wed, Dec 24 - Tue, Jan 6
SAT
San Antonio
PWM
Portland
$302 Roundtrip, found 6 days ago
$302
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Dec 24 from San Antonio to Portland, returning Tue, Jan 6, priced at $302 found 6 days ago
Southwest Airlines
Tue, Dec 16 - Wed, Dec 17
SAT
San Antonio
PWM
Portland
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Dec 16 from San Antonio to Portland, returning Wed, Dec 17, priced at $317 found 1 day ago

Find the cheapest month to fly from San Antonio (SAT) to Portland (PWM)

August is typically the cheapest month to fly

From $234 - $622 per traveler.

Alternative airports near Portland

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Portland Intl. Jetport PWM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $442
PWM
Portland Intl. Jetport
CheapestClosest
Average driving time to city center8 min
Flights from $442

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM) cost?
Secure a cheap one-way flight from $139 or cheap return flight from $277 from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM)?
The cheapest month to fly from SAT to PWM is December, when demand is low. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SAT to PWM. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM)?
You'll need to catch a flight with a layover when traveling from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SAT to PWM?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM)?
Select a flight from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM) last-minute?
Holding off until just before your trip to book a ticket from SAT to PWM generally means paying more. Although you may find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a SAT to PWM flight and hotel package?
Opting for a SAT to PWM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Portland Intl. Jetport Airport (PWM)?
It's generally possible to reschedule or cancel your SAT to PWM flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
San Antonio Intl.
Destination airport
Portland Intl. Jetport
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$276
Distance
1828 mi

Book with confidence

San Antonio to Portland Flights

The cheapest times to fly from San Antonio to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Portland are during the month of December. You can find some of the cheapest flights from San Antonio to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Portland

Sunday is one of the best days to book for cheap flights from San Antonio to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Antonio to Portland Flights

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*Available to One Key members.