$234+ Cheap flights from Portland, ME to San Antonio (PWM - SAT)
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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SAT
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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Find cheap flights from Portland to San Antonio 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 Portland to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Portland to San AntonioExplore the most affordable flight options available from Portland to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
Explore the most affordable flight options available from Portland to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 9, 2026.
This American Airlines deal was found by Cheapflights users on 6/4. 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.
Wed 9/1612:51 pm
PWM
- SAT
1 stop8h 47m
American Airlines
Sat 9/196:27 am
SAT
- PWM
1 stop8h 57m
American Airlines
Deal found 6/4![American Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 6/4. 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.
Wed 9/167:45 am
PWM
- SAT
1 stop6h 05m
Southwest
Sat 9/196:10 am
SAT
- PWM
2 stops7h 50m
Southwest
Deal found 6/4![Southwest logo]()
$392
This Delta deal was found by Cheapflights users on 6/5. 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 9/216:02 am
PWM
- SAT
2 stops11h 56m
Delta
Thu 9/244:15 pm
SAT
- PWM
1 stop6h 10m
Delta
Deal found 6/5![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 6/8. 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.
Fri 10/165:35 pm
PWM
- SAT
1 stop6h 10m
Southwest
Mon 10/195:25 pm
SAT
- PWM
1 stop5h 40m
Southwest
Deal found 6/8![Southwest logo]()
$415
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:03 am
PWM
- SAT
1 stop6h 49m
United Airlines
Tue 9/86:36 am
SAT
- PWM
2 stops11h 48m
United Airlines
Deal found 6/8![United Airlines logo]()
$425
This deal was found by Cheapflights users on 6/8. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am
PWM
- SAT
1 stop8h 22m
Delta
Sun 10/255:30 am
SAT
- PWM
1 stop5h 48m
Delta
Deal found 6/8![Delta logo]()
$446
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:35 am
PWM
- SAT
1 stop7h 15m
Southwest
Sun 7/53:25 pm
SAT
- PWM
1 stop6h 50m
Southwest
Deal found 6/9![Southwest logo]()
$455
Best flights from Portland to San AntonioDiscover carefully curated flight deals from Portland to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Portland to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/4. 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.
Wed 9/167:45 am
PWM
- SAT
2 stops11h 10m
Southwest
Sat 9/196:10 am
SAT
- PWM
2 stops7h 50m
Southwest
Deal found 6/4![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 6/5. 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.
Thu 11/511:30 am
PWM
- SAT
1 stop7h 14m
Delta
Mon 11/95:20 am
SAT
- PWM
1 stop5h 33m
Delta
Deal found 6/5![Delta logo]()
$403
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am
PWM
- SAT
2 stops10h 43m
United Airlines
Tue 9/86:36 am
SAT
- PWM
2 stops11h 48m
United Airlines
Deal found 6/8![United Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 6/8. 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.
Fri 10/165:35 pm
PWM
- SAT
1 stop6h 10m
Southwest
Mon 10/195:25 pm
SAT
- PWM
1 stop5h 40m
Southwest
Deal found 6/8![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 6/8. 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.
Fri 7/33:10 pm
PWM
- SAT
2 stops8h 40m
Southwest
Mon 7/65:10 am
SAT
- PWM
1 stop6h 10m
Southwest
Deal found 6/8![Southwest logo]()
$460
This Delta deal was found by Cheapflights users on 6/7. 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.
Thu 7/22:59 pm
PWM
- SAT
2 stops10h 34m
Delta
Sun 7/125:15 am
SAT
- PWM
1 stop5h 40m
Delta
Deal found 6/7![Delta logo]()
$508
This Southwest deal was found by Cheapflights users on 6/4. 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.
Fri 11/65:20 am
PWM
- SAT
1 stop6h 55m
Southwest
Sun 11/85:20 pm
SAT
- PWM
1 stop5h 30m
Southwest
Deal found 6/4![Southwest logo]()
$467
Last-minute flights from Portland to San AntonioDiscover last-minute flight deals from Portland to San Antonio. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Antonio. Data last updated June 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 6/201:02 pm
PWM
- SAT
1 stop21h 39m
Multiple Airlines
Sat 6/277:51 pm
SAT
- PWM
2 stops36h 21m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$545
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 6/201:02 pm
PWM
- SAT
1 stop21h 39m
Multiple Airlines
Thu 6/257:51 pm
SAT
- PWM
2 stops36h 21m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$563
This Delta deal was found by Cheapflights users on 6/6. 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 6/276:14 am
PWM
- SAT
1 stop5h 56m
Delta
Sun 7/52:40 pm
SAT
- PWM
1 stop7h 25m
Delta
Deal found 6/6![Delta logo]()
$549
This American Airlines deal was found by Cheapflights users on 6/7. 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.
Thu 7/25:40 pm
PWM
- SAT
1 stop6h 24m
American Airlines
Sun 7/122:10 pm
SAT
- PWM
1 stop7h 23m
American Airlines
Deal found 6/7![American Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 6/7. 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.
Thu 7/22:59 pm
PWM
- SAT
2 stops10h 34m
Delta
Sun 7/125:15 am
SAT
- PWM
1 stop5h 40m
Delta
Deal found 6/7![Delta logo]()
$508
This Southwest deal was found by Cheapflights users on 6/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:35 am
PWM
- SAT
1 stop7h 15m
Southwest
Sun 7/53:25 pm
SAT
- PWM
1 stop6h 50m
Southwest
Deal found 6/9![Southwest logo]()
$455
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 7/46:00 am
PWM
- SAT
1 stop7h 29m
United Airlines
Sat 7/111:25 pm
SAT
- PWM
1 stop7h 16m
United Airlines
Deal found 6/5![United Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:00 am
PWM
- SAT
1 stop7h 29m
United Airlines
Fri 7/311:20 pm
SAT
- PWM
1 stop7h 21m
United Airlines
Deal found 6/8![United Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 6/8. 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.
Sat 7/188:25 am
PWM
- SAT
2 stops10h 05m
Southwest
Fri 7/313:45 pm
SAT
- PWM
1 stop7h 25m
Southwest
Deal found 6/8![Southwest logo]()
$559
One-way flights from Portland to San AntonioSearch for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/5. 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.
Fri 10/2312:45 pm
PWM
- SAT
1 stop7h 45m
Southwest
Deal found 6/5![Southwest logo]()
$234
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Sat 6/273:30 pm
PWM
- SAT
1 stop6h 58m
United Airlines
Deal found 6/5![United Airlines logo]()
$270
This Southwest deal was found by Cheapflights users on 6/6. 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.
Sun 7/55:30 am
PWM
- SAT
1 stop6h 15m
Southwest
Deal found 6/6![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 6/6. 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 7/66:57 pm
PWM
- SAT
1 stop6h 36m
Delta
Deal found 6/6![Delta logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/67:00 am
PWM
- SAT
3 stops36h 44m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:15 am
PWM
- SAT
2 stops12h 14m
United Airlines
Deal found 6/7![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 6/6. 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 7/65:35 am
PWM
- SAT
2 stops8h 50m
Southwest
Deal found 6/6![Southwest logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 7/57:00 am
PWM
- SAT
3 stops28h 50m
Breeze Airways
Deal found 6/6![Breeze Airways logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 6/276:26 pm
PWM
- SAT
3 stops49h 30m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$414
This Southwest deal was found by Cheapflights users on 6/5. 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.
Sat 6/278:25 am
PWM
- SAT
2 stops8h 35m
Southwest
Deal found 6/5![Southwest logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 10/239:48 am
PWM
- SAT
3 stops36h 58m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$459
Find flight deals from Portland to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to San Antonio (SAT). 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 June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $387 (American Airlines) |
One-way from | $234 (Southwest) |
Popular in | January |
Cheapest in | February |
Average price | $421 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to San Antonio 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 June 9, 2026.
Use the filters below to find and compare flights from Portland to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Wed 9/16
7:45 am-5:55 pm
2 stops11h 10m
San Antonio
Sat 9/19
6:10 am-3:00 pm
2 stops7h 50m
$403
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Thu 11/5
11:30 am-5:44 pm
1 stop7h 14m
San Antonio
Mon 11/9
5:20 am-11:53 am
1 stop5h 33m
$403
Quickest round-trip
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Fri 10/16
5:35 pm-10:45 pm
1 stop6h 10m
San Antonio
Mon 10/19
5:25 pm-12:05 am
1 stop5h 40m
$415
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Sat 9/5
6:00 am-3:43 pm
2 stops10h 43m
San Antonio
Tue 9/8
6:36 am-7:24 pm
2 stops11h 48m
$430
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Fri 7/3
3:10 pm-10:50 pm
2 stops8h 40m
San Antonio
Mon 7/6
5:10 am-12:20 pm
1 stop6h 10m
$460
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Fri 11/6
5:20 am-11:15 am
1 stop6h 55m
San Antonio
Sun 11/8
5:20 pm-11:50 pm
1 stop5h 30m
$467
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Thu 7/2
2:59 pm-12:33 am
2 stops10h 34m
San Antonio
Sun 7/12
5:15 am-11:55 am
1 stop5h 40m
$508
Cheapest one-way
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Fri 10/23
12:45 pm-7:30 pm
1 stop7h 45m
$234
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Sat 6/27
3:30 pm-9:28 pm
1 stop6h 58m
$270
Quickest one-way
PortlandSan Antonio
PWM - SAT
PWMSAT
Portland
Mon 7/6
6:57 pm-12:33 am
1 stop6h 36m
$325
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Portland to San Antonio
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 Portland to San Antonio in June.
| 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 Portland, Maine-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-San Antonio 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 Portland, Maine-San Antonio 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 Portland to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Portland with our price prediction graph.
PWM-SAT
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 Portland to San Antonio
What is the cheapest month to book a flight from Portland, Maine to San Antonio?
Currently, February is the cheapest month in which you can book a flight from Portland, Maine to San Antonio (average of $381). Flying from Portland, Maine to San Antonio in January is currently the most expensive (average of $767). 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.
How much does it cost to fly round-trip from Portland, Maine to San Antonio?
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated June 9, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Portland to San Antonio have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
7.9
Food
7.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Portland to San Antonio. 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 San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
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Portland and San Antonio flights
Browse other Portland and San Antonio flight options. Last updated on June 9, 2026.
Other flights from Portland
Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 9, 2026.
Top 4 airlines flying from Portland to San Antonio
Discover the top 4 airlines that operate flights from Portland to San Antonio. 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 June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$263 | Average$579 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$279 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$281 | Average$426 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$324 | Average$596 | FlexibilityNo cancel fee | On-time63% |