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$119+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — PDX
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 January 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/19. 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 3/58:25 pm
SAT
-
PDX
2 stops40h 31m
Frontier
Mon 3/912:04 pm
PDX
-
SAT
1 stop10h 13m
Frontier
Deal found 1/19$217
This Frontier deal was found by Cheapflights users on 1/19. 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 4/911:38 am
SAT
-
PDX
1 stop6h 46m
Frontier
Sun 4/128:39 pm
PDX
-
SAT
1 stop12h 04m
Frontier
Deal found 1/19$236
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:10 pm
SAT
-
PDX
1 stop9h 18m
Delta
Wed 4/156:30 am
PDX
-
SAT
1 stop5h 55m
Delta
Deal found 1/19$237
This Frontier deal was found by Cheapflights users on 1/19. 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 4/911:38 am
SAT
-
PDX
1 stop6h 46m
Frontier
Mon 4/1311:58 am
PDX
-
SAT
1 stop10h 21m
Frontier
Deal found 1/19$262
This Frontier deal was found by Cheapflights users on 1/19. 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.
Mon 4/66:45 am
SAT
-
PDX
1 stop6h 18m
Frontier
Sun 4/128:39 pm
PDX
-
SAT
1 stop12h 04m
Frontier
Deal found 1/19$265
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:47 pm
SAT
-
PDX
2 stops12h 12m
Delta
Mon 4/1312:30 am
PDX
-
SAT
1 stop9h 22m
Delta
Deal found 1/19$270
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:40 am
SAT
-
PDX
2 stops10h 05m
United Airlines
Sat 4/258:40 am
PDX
-
SAT
1 stop6h 20m
United Airlines
Deal found 1/19$272
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/55:55 pm
SAT
-
PDX
2 stops16h 39m
Delta
Tue 4/141:05 pm
PDX
-
SAT
1 stop8h 27m
Delta
Deal found 1/19$274
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:10 pm
SAT
-
PDX
1 stop6h 49m
American Airlines
Sat 2/2811:40 pm
PDX
-
SAT
1 stop6h 43m
American Airlines
Deal found 1/19$287
This Frontier deal was found by Cheapflights users on 1/19. 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.
Mon 4/66:45 am
SAT
-
PDX
1 stop6h 18m
Frontier
Mon 4/1311:58 am
PDX
-
SAT
1 stop10h 21m
Frontier
Deal found 1/19$291
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 2/264:32 pm
SAT
-
PDX
1 stop28h 11m
Frontier
Mon 3/210:18 pm
PDX
-
SAT
2 stops13h 27m
Frontier
Deal found 1/19$293

Find 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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$217
(Kiwi.com)

One-way from

$119
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$377
Provider with most accurate pricing for San Antonio-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Portland flights.
Search Deals
From San Antonio to Portland
Search Deals
One-way flight from San Antonio to Portland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 20, 2026.
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

Wed 3/4

1:13 pm-6:16 pm

1 stop7h 03m

Portland

Wed 3/11

10:30 pm-9:55 am

1 stop9h 25m

$237

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sun 4/5

5:55 pm-8:34 am

2 stops16h 39m

Portland

Wed 4/15

6:30 am-2:25 pm

1 stop5h 55m

$274

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 4/9

7:35 am-8:59 pm

2 stops15h 24m

Portland

Wed 4/15

6:00 am-1:38 pm

1 stop5h 38m

$274

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 4/6

5:55 pm-8:34 am

2 stops16h 39m

Portland

Wed 4/15

6:00 am-1:38 pm

1 stop5h 38m

$274

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 4/30

7:35 am-6:52 pm

2 stops13h 17m

Portland

Wed 5/6

1:05 pm-11:32 pm

1 stop8h 27m

$294

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 4/8

1:47 pm-11:59 pm

2 stops12h 12m

Portland

Tue 4/14

1:32 pm-12:22 am

2 stops8h 50m

$304

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 4/8

1:47 pm-8:59 pm

2 stops9h 12m

Portland

Wed 4/15

1:32 pm-12:22 am

2 stops8h 50m

$304

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 4/16

4:45 pm-10:54 pm

1 stop8h 09m

Portland

Tue 4/21

1:55 pm-10:59 pm

1 stop7h 04m

$309

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 4/8

2:25 pm-8:25 pm

1 stop8h 00m

Portland

Thu 4/16

6:00 am-1:38 pm

1 stop5h 38m

$309

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 4/16

7:35 am-5:03 pm

2 stops11h 28m

Portland

Tue 4/21

6:30 am-2:25 pm

1 stop5h 55m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 20 results
1
2

Compare providers for flights from San Antonio to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Portland in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Portland flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 16, 2026.

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 33 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, May is the cheapest month in which you can book a flight from San Antonio to Portland (average of $130). Flying from San Antonio to Portland in June is currently the most expensive (average of $206). 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.

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 January 20, 2026.
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
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,076 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,180 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,164 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,267 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 7h 03m. The distance between San Antonio and Portland is about 1712 mi.

  • 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 $91 on this airline. Additional options worth looking into are Spirit Airlines and Delta, starting at $113 and $268 round-trip. Frontier is 76% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Antonio to Portland one-way?

    $78 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $89 and $114, respectively.

  • 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, May is the cheapest month in which you can book a flight from San Antonio to Portland (average of $130). Flying from San Antonio to Portland in June is currently the most expensive (average of $206). 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
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

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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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$91Average$270FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$113Average$228FlexibilityNo cancel feeOn-time65%
DeltaCheapest$268Average$357FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$277Average$425FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$284Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$304Average$465FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$325Average$392FlexibilityNo cancel feeOn-time75%

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