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Cheap flights from Portland to San Antonio (PWM - SAT) from $149

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 7/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PWM — SAT
May 4 — May 111
From?
To?
Sat 5/4
Sat 5/11
1 adult, Economy
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The best prices from Portland to San Antonio are usually found in January or June, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 April 29, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$289

One-way from

$160
High demand for flights, 22% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Portland to San Antonio
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One-way flight from Portland to San Antonio
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What is the cheapest day to fly round-trip from Portland, Maine to San Antonio?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 60% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Portland, Maine to San Antonio?

Find a great deal and save up to 87% by booking at least 27 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portland, Maine to San Antonio within the next two weeks, with the cheapest ticket starting at $368.

What is the cheapest month to fly from Portland, Maine to San Antonio?

January is one of the best times of the year to fly to San Antonio from Portland, Maine. Prices for January average $504 per person but you can even find prices for as low as $226. The most expensive prices can be found in the month of March. Opting for a January flight can save you 28% on your journey compared to booking in March

When is the cheapest time to fly from Portland, Maine to San Antonio (PWM - SAT)?

It’s optimal to fly from Portland, Maine to San Antonio in the afternoon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at noon.

Cheap Delta flights from Portland to San Antonio

Explore cheap flight options specifically provided by Delta for the route between Portland and San Antonio. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 29, 2024.
Consider these cheap Delta flights we've found departing from Portland to San Antonio. Make sure to check back often as deals are often changing.
Fri 5/315:00 amPWM - SAT
1 stop6h 51mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/26$286
Tue 9/105:30 amPWM - SAT
1 stop6h 55mDelta
Tue 9/1710:30 amSAT - PWM
2 stops11h 37mDelta
Deal found 4/28$303
Tue 9/106:05 amPWM - SAT
1 stop8h 00mDelta
Sat 9/143:45 pmSAT - PWM
1 stop6h 21mDelta
Deal found 4/28$307
Tue 9/105:30 amPWM - SAT
2 stops12h 53mDelta
Wed 9/1810:30 amSAT - PWM
2 stops11h 37mDelta
Deal found 4/28$308
Tue 9/1011:40 amPWM - SAT
1 stop6h 38mDelta
Sat 9/1412:00 pmSAT - PWM
2 stops10h 06mDelta
Deal found 4/28$312
Tue 9/105:30 amPWM - SAT
2 stops12h 53mDelta
Sat 9/1412:00 pmSAT - PWM
2 stops10h 06mDelta
Deal found 4/28$317
Tue 9/1011:40 amPWM - SAT
1 stop6h 38mDelta
Mon 9/1612:50 pmSAT - PWM
2 stops9h 17mDelta
Deal found 4/28$323
Tue 6/115:05 amPWM - SAT
1 stop7h 08mDelta
Fri 6/142:18 pmSAT - PWM
1 stop6h 40mDelta
Deal found 4/28$391
Tue 6/116:01 amPWM - SAT
2 stops12h 04mDelta
Fri 6/144:24 pmSAT - PWM
1 stop5h 57mDelta
Deal found 4/27$396

Cheap American Airlines flights from Portland to San Antonio

Explore cheap flight options specifically provided by American Airlines for the route between Portland and San Antonio. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 29, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Portland to San Antonio. Deals are refreshing constantly so come back soon for more options.
Wed 7/246:00 amPWM - SAT
1 stop6h 25mAmerican Airlines
Tue 7/306:10 amSAT - PWM
1 stop7h 59mAmerican Airlines
Deal found 4/26$296
Wed 9/115:13 pmPWM - SAT
1 stop6h 03mAmerican Airlines
Sun 9/156:34 amSAT - PWM
1 stop7h 38mAmerican Airlines
Deal found 4/28$334
Thu 9/125:55 pmPWM - SAT
1 stop6h 11mAmerican Airlines
Mon 9/165:53 pmSAT - PWM
1 stop5h 49mAmerican Airlines
Deal found 4/28$336
Fri 5/36:31 amPWM - SAT
1 stop6h 45mAmerican Airlines
Mon 5/61:19 pmSAT - PWM
1 stop8h 25mAmerican Airlines
Deal found 4/28$964

Cheap Portland to San Antonio flights in April & May 2024

Find cheap flight options from Portland to San Antonio specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 29, 2024.
Listed are some of the best fares we've found on flights departing from Portland to San Antonio in 2024. For more flight deals, be sure to check back very soon.
Fri 5/315:00 amPWM - SAT
1 stop6h 51mDelta
Tue 6/44:00 pmSAT - PWM
1 stop6h 44mDelta
Deal found 4/27$286
Fri 5/315:00 amPWM - SAT
2 stops13h 08mDelta
Tue 6/44:00 pmSAT - PWM
1 stop6h 44mDelta
Deal found 4/27$417
Tue 5/75:31 amPWM - SAT
1 stop8h 09mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/28$590
Tue 5/711:42 amPWM - SAT
2 stops12h 02mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/28$595
Fri 5/105:00 amPWM - SAT
1 stop6h 51mDelta
Fri 5/173:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/28$700
Fri 5/106:27 amPWM - SAT
2 stops11h 39mDelta
Fri 5/173:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/28$705
Tue 5/711:42 amPWM - SAT
2 stops13h 45mDelta
Tue 5/1410:47 amSAT - PWM
2 stops12h 10mDelta
Deal found 4/28$710
Fri 5/310:50 amPWM - SAT
2 stops26h 20mMultiple Airlines
Sun 5/55:47 amSAT - PWM
2 stops27h 22mMultiple Airlines
Deal found 4/28$739
Fri 5/35:54 pmPWM - SAT
3 stops31h 48mMultiple Airlines
Sun 5/55:47 amSAT - PWM
2 stops27h 22mMultiple Airlines
Deal found 4/28$753

Portland to San Antonio 2024 flight deals

Discover exclusive flight deals for travel between Portland and San Antonio in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 29, 2024.
Listed are some of the best fares we've found on flights departing from Portland to San Antonio in 2024. For more flight deals, be sure to check back very soon.
Fri 5/315:00 amPWM - SAT
1 stop6h 51mDelta
Tue 6/44:00 pmSAT - PWM
1 stop6h 44mDelta
Deal found 4/27$286
Tue 9/105:30 amPWM - SAT
1 stop6h 55mDelta
Wed 9/1810:30 amSAT - PWM
2 stops11h 37mDelta
Deal found 4/28$303
Tue 9/106:05 amPWM - SAT
1 stop8h 00mDelta
Sat 9/143:45 pmSAT - PWM
1 stop6h 21mDelta
Deal found 4/28$307
Tue 9/105:30 amPWM - SAT
2 stops12h 53mDelta
Tue 9/1710:30 amSAT - PWM
2 stops11h 37mDelta
Deal found 4/28$308
Tue 9/1011:40 amPWM - SAT
1 stop6h 38mDelta
Sat 9/1412:00 pmSAT - PWM
2 stops10h 06mDelta
Deal found 4/28$312
Tue 9/105:30 amPWM - SAT
2 stops12h 53mDelta
Sat 9/1412:00 pmSAT - PWM
2 stops10h 06mDelta
Deal found 4/28$317
Tue 9/1011:40 amPWM - SAT
1 stop6h 38mDelta
Mon 9/1612:50 pmSAT - PWM
2 stops9h 17mDelta
Deal found 4/28$323
Wed 9/115:13 pmPWM - SAT
1 stop6h 03mAmerican Airlines
Sun 9/156:34 amSAT - PWM
1 stop7h 38mAmerican Airlines
Deal found 4/28$334
Thu 9/125:55 pmPWM - SAT
1 stop6h 11mAmerican Airlines
Mon 9/165:53 pmSAT - PWM
1 stop5h 49mAmerican Airlines
Deal found 4/28$336

Portland to San Antonio flights leaving soon

Find last-minute flight options from Portland to San Antonio for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 29, 2024.
Users seeking a last-minute flight from Portland to San Antonio should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Tue 5/75:31 amPWM - SAT
1 stop8h 09mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/28$590
Tue 5/711:42 amPWM - SAT
2 stops12h 02mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/28$595
Tue 5/711:42 amPWM - SAT
2 stops13h 45mDelta
Tue 5/1410:47 amSAT - PWM
2 stops12h 10mDelta
Deal found 4/28$710
Fri 5/310:50 amPWM - SAT
2 stops26h 20mMultiple Airlines
Sun 5/55:47 amSAT - PWM
2 stops27h 22mMultiple Airlines
Deal found 4/28$739
Fri 5/35:54 pmPWM - SAT
3 stops31h 48mMultiple Airlines
Sun 5/55:47 amSAT - PWM
2 stops27h 22mMultiple Airlines
Deal found 4/28$753
Fri 5/31:37 pmPWM - SAT
1 stop7h 13mUnited Airlines
Sun 5/57:15 amSAT - PWM
1 stop6h 44mUnited Airlines
Deal found 4/28$843
Fri 5/311:45 amPWM - SAT
2 stops12h 38mUnited Airlines
Sun 5/57:15 amSAT - PWM
1 stop26h 29mUnited Airlines
Deal found 4/28$852
Fri 5/34:31 pmPWM - SAT
1 stop7h 41mUnited Airlines
Mon 5/64:55 pmSAT - PWM
2 stops20h 56mUnited Airlines
Deal found 4/28$912
Fri 5/31:37 pmPWM - SAT
2 stops10h 46mUnited Airlines
Mon 5/64:55 pmSAT - PWM
2 stops20h 56mUnited Airlines
Deal found 4/28$917

One-way flights to San Antonio from Portland

Search for one-way flight options from Portland to San Antonio. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 29, 2024.
Users traveling one-way from Portland to San Antonio can select one of these great deals. Those seeking round-trip flights from Portland to San Antonio should utilize the search form at the the top of the page.
Tue 7/235:05 amPWM - SAT
1 stop7h 08mDelta
Deal found 4/27$149
Tue 7/911:46 amPWM - SAT
1 stop21h 11mFrontier
Deal found 4/27$160
Fri 7/265:05 amPWM - SAT
1 stop7h 08mDelta
Deal found 4/28$248
Tue 7/95:05 amPWM - SAT
2 stops11h 19mDelta
Deal found 4/27$253
Fri 7/2611:30 amPWM - SAT
2 stops11h 52mDelta
Deal found 4/28$313
Tue 7/910:41 amPWM - SAT
3 stops13h 32mUnited Airlines
Deal found 4/27$532
Tue 7/2310:41 amPWM - SAT
3 stops13h 32mUnited Airlines
Deal found 4/27$560
Fri 7/2610:41 amPWM - SAT
3 stops13h 32mUnited Airlines
Deal found 4/28$632

Find flights from Portland to San Antonio within your budget

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 2,944,896 searches. Data last updated April 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$286 - $399

Route

Depart

Return

Price

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Fri 5/31

1 stop6h 51m

San Antonio

Tue 6/4

1 stop7h 57m

$286

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 7/24

1 stop6h 25m

San Antonio

Tue 7/30

1 stop7h 59m

$296

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 9/10

1 stop6h 55m

San Antonio

Tue 9/17

2 stops11h 37m

$303

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 9/10

1 stop8h 00m

San Antonio

Sat 9/14

1 stop6h 21m

$307

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 9/10

2 stops12h 53m

San Antonio

Wed 9/18

2 stops11h 37m

$308

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 9/10

1 stop6h 38m

San Antonio

Sat 9/14

2 stops10h 06m

$312

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 9/11

1 stop6h 03m

San Antonio

Sun 9/15

1 stop7h 38m

$334

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Thu 9/12

1 stop6h 11m

San Antonio

Mon 9/16

1 stop5h 49m

$336

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Wed 9/11

1 stop7h 09m

San Antonio

Sun 9/15

2 stops8h 05m

$399

Flights are sorted by cheapest first

Deals found on 4/26

When is the best time to book a flight from Portland, Maine to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Portland to San Antonio. Price data was last updated on January 28, 2024.
The price you pay for your flight from Portland, Maine to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly from Portland, Maine to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Portland to San Antonio. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland, Maine to San Antonio flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Antonio by month

Plan your trip from Portland to San Antonio by taking into account the cheapest months to travel. The average price of a one-way flight from Portland to San Antonio is currently $356 while a round-trip flight costs $320. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to San Antonio (average of $289). Flying from Portland, Maine to San Antonio in March is currently the most expensive (average of $376). 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.

January

$303

February

$317

March

$376

April

$344

May

$332

June

$366

July

$350

August

$298

September

$289

October

$298

November

$315

December

$313

Temperature and rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature and rainfall totals by month.

SAT

Temperature

51.8 - 84.2 °F

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 April 29, 2024.
Get a feel of what it's like to fly with Delta, American Airlines and United Airlines from Portland to San Antonio by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Frontier
6.3
Okay
4,123 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

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.

  • Can I find flights from Portland, Maine to San Antonio for under $300 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to San Antonio for under $300. The cheapest flight booked recently is on Delta for just $286, but on average you can expect to pay $358.

  • Are there last-minute flights available from Portland, Maine to San Antonio for under $600?

    There are currently 12+ open flights from Portland, Maine to San Antonio within the next 7 days for less than $600.

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

    Our cheapest airline available from Portland, Maine to San Antonio is Delta. Our recent data shows that you can find tickets from as low as $286 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $296 and $399 round-trip. Delta is priced at 43% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $149. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Portland, Maine to San Antonio for a low price.

  • What are the most popular airlines that fly from Portland, Maine to San Antonio?

    Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Portland, Maine to San Antonio.

  • What does PWM to SAT mean?

    PWM and SAT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. PWM to SAT refers to a flight route from Portland Airport to San Antonio Airport.

  • Can I find deals for flights from Portland to San Antonio that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to San Antonio flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to San Antonio with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to San Antonio flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from Portland to San Antonio that allow pets onboard?

    Many airlines flying from Portland to San Antonio offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to San Antonio?

    Yes, you can often find last-minute deals on Portland to San Antonio flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to San Antonio flight deals updated?

    The Portland, Maine to San Antonio flight deals you see on this page were last updated on 4/28.

See more FAQs

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Top 3 airlines flying from Portland to San Antonio

Discover the top 3 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 2,944,896 searches. Data last updated April 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$250Average$499FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$291Average$512FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$296Average$495FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from Portland to San Antonio by cabin class

Find flights from Portland to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to San Antonio?

When you search for this flight from Portland to San Antonio, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portland to San Antonio?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Antonio from Portland.

Can Cheapflights find flights from Portland to San Antonio with no change fees?

Yes, we can. To see specific flights from Portland to San Antonio with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Portland to San Antonio become cheaper?

Of course! You can now track prices for flights from Portland to San Antonio and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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