$141+ Cheap flights from San Antonio to Portland, ME (SAT - PWM)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — PWM
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Portland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Portland
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Best
Last-minute
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Cheapest flights from San Antonio to PortlandExplore 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 October 25, 2026.
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 October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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 12/11:45 pm -
1 stop8h 48m
Sat 12/54:53 pm -
1 stop7h 04m
Deal found 10/21![Delta logo]()
$281
This Delta deal was found by Cheapflights users on 10/23. 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 12/11:45 pm -
2 stops9h 36m
Tue 12/86:12 am -
2 stops10h 51m
Deal found 10/23![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 10/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:20 pm -
2 stops8h 30m
Tue 12/812:45 pm -
1 stop9h 40m
Deal found 10/23![Southwest logo]()
$299
This American Airlines deal was found by Cheapflights users on 10/21. 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.
Tue 12/12:03 pm -
2 stops7h 49m
Sat 12/510:55 am -
2 stops11h 04m
Deal found 10/21![American Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 10/21. 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 11/176:30 am -
1 stop5h 31m
Fri 11/276:27 am -
2 stops8h 53m
Deal found 10/21![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 10/20. 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.
Mon 11/161:44 pm -
1 stop8h 47m
Thu 11/2612:45 pm -
1 stop6h 57m
Deal found 10/20![Delta logo]()
$339
Best flights from San Antonio to PortlandDiscover carefully curated flight deals from San Antonio to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from San Antonio to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/21. 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 12/11:45 pm -
1 stop8h 48m
Sat 12/56:00 am -
2 stops12h 34m
Deal found 10/21![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/107:00 am -
1 stop6h 27m
Wed 11/115:08 pm -
1 stop7h 30m
Deal found 10/22![United Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 10/22. 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.
Mon 2/224:25 pm -
1 stop5h 58m
Fri 2/2612:50 pm -
2 stops12h 38m
Deal found 10/22![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 10/23. 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.
Mon 11/161:44 pm -
1 stop8h 47m
Thu 11/266:00 am -
1 stop7h 39m
Deal found 10/23![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Thu 11/55:30 am -
2 stops7h 46m
Mon 11/95:08 pm -
1 stop7h 29m
Deal found 10/21![United Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 11/75:15 am -
1 stop6h 07m
Wed 11/114:50 pm -
1 stop7h 04m
Deal found 10/21![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 10/21. 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 11/175:30 am -
1 stop5h 28m
Fri 11/276:00 am -
1 stop7h 39m
Deal found 10/21![Delta logo]()
$470
Last-minute flights from San Antonio to PortlandDiscover last-minute flight deals from San Antonio to Portland. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Portland. Data last updated October 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 11/75:15 am -
1 stop6h 07m
Wed 11/114:50 pm -
1 stop7h 04m
Deal found 10/21![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/107:00 am -
1 stop6h 27m
Wed 11/115:08 pm -
1 stop7h 30m
Deal found 10/20![United Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 10/20. 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.
Mon 11/161:44 pm -
1 stop8h 47m
Thu 11/2612:45 pm -
1 stop6h 57m
Deal found 10/20![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 10/21. 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 11/176:30 am -
1 stop5h 31m
Fri 11/276:27 am -
2 stops8h 53m
Deal found 10/21![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Mon 11/231:15 pm -
1 stop7h 36m
Fri 11/278:29 am -
1 stop9h 20m
Deal found 10/23![United Airlines logo]()
$430
One-way flights from San Antonio to PortlandSearch for one-way flight options from San Antonio to Portland. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from San Antonio to Portland. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Delta deal was found by Cheapflights users on 10/20. 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 11/105:30 am -
1 stop6h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$141
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Tue 11/1011:22 am -
2 stops9h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![American Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 11/3010:11 pm -
2 stops33h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$176
This Southwest deal was found by Cheapflights users on 10/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:35 pm -
1 stop5h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Southwest logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Tue 11/108:20 pm -
3 stops41h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/610:29 pm -
2 stops57h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/78:20 pm -
2 stops35h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 10/20. 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.
Fri 11/65:30 am -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 10/20. 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 11/35:15 am -
2 stops10h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$324
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 (PWM). 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $281 (United Airlines) |
One-way from | $141 (Delta) |
Popular in | December |
Cheapest in | April |
Average price | $464 |
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 7,457,451 searches. Data last updated October 25, 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
Cheapest round-trip
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Tue 11/10
5:30 am-1:01 pm
1 stop6h 31m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$141
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Mon 11/30
10:11 pm-11:48 am
3 stops36h 37m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$191
Quickest round-trip
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Mon 12/21
5:35 pm-11:55 pm
1 stop5h 20m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$249
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Tue 12/1
1:45 pm-11:33 pm
1 stop8h 48m
Portland
Sat 12/5
6:00 am-5:34 pm
2 stops12h 34m
$286
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Fri 11/6
10:29 pm-9:08 am
2 stops57h 39m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$297
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Sat 11/7
1:23 pm-9:36 pm
1 stop7h 13m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$319
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Fri 11/6
5:30 am-1:02 pm
1 stop6h 32m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$319
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Tue 11/3
5:15 am-4:47 pm
2 stops10h 32m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$324
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Mon 2/22
4:25 pm-11:23 pm
1 stop5h 58m
Portland
Fri 2/26
12:50 pm-12:28 am
2 stops12h 38m
$325
San AntonioPortland
SAT San Antonio - PWM Portland
SATPWM
San Antonio
Fri 10/30
10:13 am-4:24 pm
2 stops29h 11m
Portland
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$362
Showing 1-10 of 16 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Portland, Maine 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, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Portland, Maine flights, Cheapflights users trust FlightHub the most. FlightHub 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, Maine 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.
SAT-PWM
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
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 October 25, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican Airlines from San Antonio to Portland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Boarding
8.1
Comfort
8.0
Entertainment
7.4
Overall
7.9
Food
7.0
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsLewiston
North Conway
Brunswick
Conway
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San Antonio and Portland flights
Browse other San Antonio and Portland flight options. Last updated on October 25, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Portland
Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Top 4 airlines flying from San Antonio to Portland
Discover the top 4 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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$433 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$362 | Average$643 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$366 | Average$504 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$378 | Average$476 | FlexibilityNo cancel fee | On-time63% |