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$77+ Cheap flights from San Antonio to Portland (SAT - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — PDX
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from San Antonio to Portland are usually found in May or September, booked 59 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

Cheap flight deals from San Antonio to Portland

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$145
(Priceline)

One-way from

$86
(Kiwi.com)

Popular in

June

Cheapest in

May

Average price

$302
From San Antonio to Portland
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One-way flight from San Antonio to Portland
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Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from San Antonio to Portland

Cheapest flights from San Antonio to Portland
Explore the most affordable flight options available from San Antonio to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Priceline deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:20 pmSAT - PDX
1 stop5h 52mFrontier
Fri 10/36:05 amPDX - SAT
1 stop10h 25mFrontier
Deal found 9/14$145
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:12 pmSAT - PDX
1 stop22h 44mFrontier
Fri 11/143:26 pmPDX - SAT
1 stop20h 51mFrontier
Deal found 9/16$167
This Booking.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:46 pmSAT - PDX
1 stop21h 58mFrontier
Sun 11/93:26 pmPDX - SAT
1 stop26h 04mFrontier
Deal found 9/16$168
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:26 pmSAT - PDX
1 stop17h 22mFrontier
Thu 10/3012:52 pmPDX - SAT
1 stop28h 38mFrontier
Deal found 9/14$169
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:25 pmSAT - PDX
1 stop6h 47mFrontier
Fri 10/1712:43 pmPDX - SAT
1 stop25h 54mFrontier
Deal found 9/16$178
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:20 pmSAT - PDX
1 stop5h 52mFrontier
Mon 10/66:05 amPDX - SAT
1 stop11h 10mFrontier
Deal found 9/16$192
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:20 pmSAT - PDX
1 stop17h 28mFrontier
Mon 10/2012:43 pmPDX - SAT
1 stop24h 31mFrontier
Deal found 9/16$197
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:32 pmSAT - PDX
2 stops19h 19mFrontier
Sun 11/23:26 pmPDX - SAT
1 stop26h 04mFrontier
Deal found 9/14$214
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/203:22 pmSAT - PDX
1 stop9h 12mFrontier
Sat 9/278:02 amPDX - SAT
1 stop23h 08mFrontier
Deal found 9/14$215
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:26 pmSAT - PDX
1 stop17h 22mFrontier
Thu 10/2312:43 pmPDX - SAT
2 stops19h 26mFrontier
Deal found 9/16$217
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:26 pmSAT - PDX
1 stop17h 22mFrontier
Sun 10/1912:43 pmPDX - SAT
1 stop28h 52mFrontier
Deal found 9/16$219

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from San Antonio to Portland that are best for you.

Fly from

San Antonio

Fly to

Portland

Route

Depart

Return

Price

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 11/15

3:12 pm-11:56 am

1 stop22h 44m

Portland

Mon 11/17

1:21 pm-2:07 pm

1 stop22h 46m

$232

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sun 10/12

8:26 pm-11:48 am

1 stop17h 22m

Portland

Wed 10/15

12:43 pm-11:14 am

1 stop20h 31m

$250

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 10/18

7:30 am-12:25 pm

1 stop6h 55m

Portland

Sun 10/26

7:59 pm-9:55 am

2 stops11h 56m

$291

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Tue 10/28

6:00 am-2:38 pm

2 stops10h 38m

Portland

Sat 11/1

1:30 pm-12:31 am

2 stops9h 01m

$294

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 10/25

6:00 am-2:38 pm

2 stops10h 38m

Portland

Wed 10/29

5:25 pm-11:50 am

2 stops16h 25m

$294

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 10/29

7:30 am-2:38 pm

2 stops9h 08m

Portland

Sat 11/1

7:30 am-9:10 pm

2 stops11h 40m

$294

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 11/1

12:40 pm-8:51 pm

2 stops10h 11m

Portland

Tue 11/4

9:17 am-11:46 pm

2 stops12h 29m

$294

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 12/3

12:45 pm-6:27 pm

1 stop7h 42m

Portland

Sat 12/6

5:14 am-12:40 am

2 stops17h 26m

$300

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 10/29

6:32 am-12:38 pm

1 stop8h 06m

Portland

Sat 11/1

7:30 am-5:55 pm

1 stop8h 25m

$306

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Tue 3/3

7:00 pm-12:03 am

1 stop7h 03m

Portland

Wed 3/4

9:40 am-5:58 pm

1 stop6h 18m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 21 results
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2
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Best time to book a flight from San Antonio to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from San Antonio with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Portland

How far ahead should I book a flight from San Antonio to Portland?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Portland. Price data was last updated on September 12, 2025.

The price you pay for your flight from San Antonio to Portland may vary depending on when you book. For the best chance of a lower fare, look to book 59 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Antonio to Portland?

Currently, November is the cheapest month in which you can book a flight from San Antonio to Portland (average of $277). Flying from San Antonio to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAT to PDX?

Find hourly flight availability from San Antonio to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

One of the essential ways to save on airfare from San Antonio to Portland is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 10% on airfare.

What is the cheapest day to fly from San Antonio to Portland?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Portland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Antonio to Portland flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated September 16, 2025.
Read through reviews of airlines operating flights from San Antonio to Portland, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Antonio to Portland?

    Departing from San Antonio to Portland will take you 6h 55m. The distance between San Antonio and Portland is about 1712 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Antonio to Portland round-trip?

    Our cheapest airline available from San Antonio to Portland is Frontier. Our recent data shows that you can find tickets from as low as $120 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $147 and $257 round-trip. Frontier is 67% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from San Antonio to Portland that include hotel bookings?

    Yes. In addition to deals on San Antonio to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Portland.

  • Can I find deals for business class flights from San Antonio to Portland?

    Yes. Cheapflights offers flight deals from San Antonio to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Portland?

    Currently, November is the cheapest month in which you can book a flight from San Antonio to Portland (average of $277). Flying from San Antonio to Portland in March is currently the most expensive (average of $368). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Beaverton
Clackamas
McMinnville
Lake Oswego
Hillsboro
Cannon Beach
Long Beach
Longview
Lincoln City
Tigard
Depoe Bay
Stevenson
Wilsonville
Pacific City
Tillamook
Troutdale
Gresham
Silverton

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Alternative routes for San Antonio to Portland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from San Antonio to Portland

Discover the top 7 airlines that operate flights from San Antonio to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$263FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$147Average$236FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$256Average$397FlexibilityNo cancel feeOn-time71%
DeltaCheapest$257Average$351FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$277Average$387FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$286Average$425FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$304Average$485FlexibilityNo cancel feeOn-time69%

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