$168+ Cheap flights from San Antonio to Portland, ME (SAT - PWM)
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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — PWM
4月 11 — 4月 181
Round-trip
1 adult, Economy
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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
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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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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 3月 12, 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 3月 12, 2026.
This American Airlines deal was found by Cheapflights users on 3/9. 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.
週六 4/181:19 pm
SAT
- PWM
1 stop9h 08m
American Airlines
週六 4/253:02 pm
PWM
- SAT
1 stop6h 56m
American Airlines
Deal found 3/9![American Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 3/7. 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.
週一 4/205:10 am
SAT
- PWM
1 stop5h 55m
Delta
週六 4/254:43 pm
PWM
- SAT
1 stop7h 25m
Delta
Deal found 3/7![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 3/9. 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.
週六 4/185:20 am
SAT
- PWM
1 stop6h 06m
Delta
週六 4/251:23 pm
PWM
- SAT
2 stops10h 45m
Delta
Deal found 3/9![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 3/12. 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.
週三 6/32:27 pm
SAT
- PWM
1 stop7h 42m
Delta
週二 6/96:00 am
PWM
- SAT
1 stop6h 19m
Delta
Deal found 3/12![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 3/12. 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.
週二 6/211:50 am
SAT
- PWM
2 stops11h 53m
Delta
週三 6/104:50 pm
PWM
- SAT
1 stop7h 22m
Delta
Deal found 3/12![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 3/12. 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.
週一 6/82:51 pm
SAT
- PWM
1 stop8h 02m
Delta
週二 6/96:00 am
PWM
- SAT
1 stop6h 19m
Delta
Deal found 3/12![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 3/7. 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.
週一 4/204:30 pm
SAT
- PWM
1 stop5h 53m
Delta
週四 4/234:43 pm
PWM
- SAT
1 stop7h 25m
Delta
Deal found 3/7![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 3/9. 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.
週二 4/212:00 pm
SAT
- PWM
1 stop8h 23m
Delta
週五 4/245:21 am
PWM
- SAT
1 stop8h 38m
Delta
Deal found 3/9![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 3/7. 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.
週二 4/215:10 am
SAT
- PWM
2 stops10h 35m
Delta
週六 4/251:23 pm
PWM
- SAT
2 stops10h 45m
Delta
Deal found 3/7![Delta logo]()
$398
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 3月 12, 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 3月 12, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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.
週二 4/212:00 pm
SAT
- PWM
1 stop8h 23m
Delta
週五 4/246:00 am
PWM
- SAT
2 stops10h 49m
Delta
Deal found 3/9![Delta logo]()
$397
This Southwest deal was found by Cheapflights users on 3/7. 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.
週六 8/226:55 am
SAT
- PWM
1 stop6h 10m
Southwest
週二 8/257:45 am
PWM
- SAT
1 stop6h 05m
Southwest
Deal found 3/7![Southwest logo]()
$417
This Delta deal was found by Cheapflights users on 3/9. 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.
週一 4/201:55 pm
SAT
- PWM
1 stop8h 28m
Delta
週五 4/245:21 am
PWM
- SAT
1 stop8h 38m
Delta
Deal found 3/9![Delta logo]()
$413
This Delta deal was found by Cheapflights users on 3/7. 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.
週三 7/152:51 pm
SAT
- PWM
1 stop8h 02m
Delta
週五 7/246:00 am
PWM
- SAT
1 stop8h 46m
Delta
Deal found 3/7![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 3/12. 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.
週六 6/62:27 pm
SAT
- PWM
1 stop7h 42m
Delta
週三 6/1011:38 am
PWM
- SAT
1 stop6h 38m
Delta
Deal found 3/12![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 3/12. 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.
週二 6/211:50 am
SAT
- PWM
2 stops11h 53m
Delta
週四 6/111:35 pm
PWM
- SAT
1 stop7h 42m
Delta
Deal found 3/12![Delta logo]()
$422
Last-minute flights from San Antonio to PortlandDiscover last-minute flight deals from San Antonio to Portland. Data last updated 3月 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Portland. Data last updated 3月 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/9. 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.
週三 4/85:10 am
SAT
- PWM
1 stop5h 59m
Delta
週三 4/154:43 pm
PWM
- SAT
1 stop7h 25m
Delta
Deal found 3/9![Delta logo]()
$403
This American Airlines deal was found by Cheapflights users on 3/9. 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.
週六 4/181:19 pm
SAT
- PWM
1 stop9h 08m
American Airlines
週六 4/253:02 pm
PWM
- SAT
1 stop6h 56m
American Airlines
Deal found 3/9![American Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 3/9. 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.
週六 4/185:20 am
SAT
- PWM
1 stop6h 06m
Delta
週六 4/251:23 pm
PWM
- SAT
2 stops10h 45m
Delta
Deal found 3/9![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 3/7. 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.
週一 4/205:10 am
SAT
- PWM
1 stop5h 55m
Delta
週六 4/254:43 pm
PWM
- SAT
1 stop7h 25m
Delta
Deal found 3/7![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 3/7. 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.
週一 4/204:30 pm
SAT
- PWM
1 stop5h 53m
Delta
週四 4/234:43 pm
PWM
- SAT
1 stop7h 25m
Delta
Deal found 3/7![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 3/9. 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.
週二 4/212:00 pm
SAT
- PWM
1 stop8h 23m
Delta
週五 4/245:21 am
PWM
- SAT
1 stop8h 38m
Delta
Deal found 3/9![Delta logo]()
$392
This Delta deal was found by Cheapflights users on 3/7. 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.
週二 4/215:10 am
SAT
- PWM
2 stops10h 35m
Delta
週六 4/251:23 pm
PWM
- SAT
2 stops10h 45m
Delta
Deal found 3/7![Delta logo]()
$398
This American Airlines deal was found by Cheapflights users on 3/12. 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.
週二 4/217:05 am
SAT
- PWM
1 stop6h 32m
American Airlines
週五 4/246:01 pm
PWM
- SAT
1 stop6h 58m
American Airlines
Deal found 3/12![American Airlines logo]()
$402
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 3月 12, 2026.
Search for one-way flight options from San Antonio to Portland. Find affordable one-way fares based on user searches. Data last updated 3月 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
週二 4/141:22 pm
SAT
- PWM
1 stop19h 55m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$168
This Delta deal was found by Cheapflights users on 3/10. 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.
週二 4/1411:50 am
SAT
- PWM
2 stops10h 34m
Delta
Deal found 3/10![Delta logo]()
$184
This Delta deal was found by Cheapflights users on 3/8. 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.
週二 6/302:51 pm
SAT
- PWM
1 stop8h 02m
Delta
Deal found 3/8![Delta logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
週六 6/134:53 pm
SAT
- PWM
2 stops39h 19m
Breeze Airways
Deal found 3/11![Breeze Airways logo]()
$205
This American Airlines deal was found by Cheapflights users on 3/7. 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.
週三 4/291:19 pm
SAT
- PWM
1 stop9h 08m
American Airlines
Deal found 3/7![American Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 3/8. 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.
週二 6/302:00 pm
SAT
- PWM
2 stops7h 55m
Southwest
Deal found 3/8![Southwest logo]()
$219
This Delta deal was found by Cheapflights users on 3/8. 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.
週一 6/294:25 pm
SAT
- PWM
1 stop6h 28m
Delta
Deal found 3/8![Delta logo]()
$224
This eDestinos deal was found by Cheapflights users on 3/11. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
週六 6/136:45 pm
SAT
- PWM
1 stop15h 52m
Sun Country Air
Deal found 3/11![Sun Country Air logo]()
$228
This Delta deal was found by Cheapflights users on 3/8. 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.
週六 6/205:20 am
SAT
- PWM
2 stops10h 40m
Delta
Deal found 3/8![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 3/8. 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.
週三 5/203:45 pm
SAT
- PWM
1 stop5h 50m
Southwest
Deal found 3/8![Southwest logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
週五 7/311:30 am
SAT
- PWM
2 stops29h 28m
Breeze Airways
Deal found 3/8![Breeze Airways logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
週六 6/274:53 pm
SAT
- PWM
2 stops39h 19m
Breeze Airways
Deal found 3/8![Breeze Airways logo]()
$244
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 3月 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $356 (American Airlines) |
One-way from | $168 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $582 |
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 3月 12, 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 - PWM
SATPWM
San Antonio
週二 4/21
2:00 pm-11:23 pm
1 stop8h 23m
Portland
週五 4/24
6:00 am-3:49 pm
2 stops10h 49m
$397
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週一 4/20
1:55 pm-11:23 pm
1 stop8h 28m
Portland
週五 4/24
5:21 am-12:59 pm
1 stop8h 38m
$413
Quickest round-trip
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週六 8/22
6:55 am-2:05 pm
1 stop6h 10m
Portland
週二 8/25
7:45 am-12:50 pm
1 stop6h 05m
$417
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週三 7/15
2:51 pm-11:53 pm
1 stop8h 02m
Portland
週五 7/24
6:00 am-1:46 pm
1 stop8h 46m
$417
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週六 6/6
2:27 pm-11:09 pm
1 stop7h 42m
Portland
週三 6/10
11:38 am-5:16 pm
1 stop6h 38m
$417
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週二 6/2
11:50 am-12:43 am
2 stops11h 53m
Portland
週四 6/11
1:35 pm-8:17 pm
1 stop7h 42m
$422
Cheapest one-way
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週二 4/14
1:22 pm-10:17 am
1 stop19h 55m
$168
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週二 4/14
2:14 pm-11:28 pm
2 stops8h 14m
$184
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週二 4/14
11:50 am-11:24 pm
2 stops10h 34m
$184
San AntonioPortland
SAT - PWM
SATPWM
San Antonio
週二 6/30
2:51 pm-11:53 pm
1 stop8h 02m
$194
Showing 1-10 of 17 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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 3月 12, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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 locationsNorth Conway
Brunswick
Auburn
Lewiston
Conway
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San Antonio and Portland flights
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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 3月 12, 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 2,558,603 searches. Data last updated 3月 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$356 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$383 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$311 | Average$407 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$347 | Average$496 | FlexibilityNo cancel fee | On-time63% |