HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

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 7/9. 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
Apr 30 — May 71
From?
To?
Tue 4/30
Tue 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 25, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$289

One-way from

$156
High demand for flights, 22% potential price rise
Search Deals
Best time to find cheap flights, 27% potential price drop
Search Deals
From Portland to San Antonio
Search Deals
One-way flight from Portland to San Antonio
Search Deals

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 14% on the cost of your flight, compared to a flight at noon.

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 3,073,952 searches. Data last updated April 25, 2024.
Consider these cheap American Airlines flights we've found departing from Portland to San Antonio. Make sure to check back often as deals are often changing.
Tue 6/111:00 pmPWM - SAT
1 stop8h 20mAmerican Airlines
Fri 6/145:54 pmSAT - PWM
1 stop5h 58mAmerican Airlines
Deal found 4/23$475
Thu 7/186:00 amPWM - SAT
1 stop6h 25mAmerican Airlines
Sun 7/216:00 amSAT - PWM
2 stops9h 03mAmerican Airlines
Deal found 4/24$729
Fri 5/312:38 pmPWM - SAT
1 stop8h 48mAmerican Airlines
Mon 5/61:19 pmSAT - PWM
1 stop8h 25mAmerican Airlines
Deal found 4/24$942
Thu 7/1811:40 amPWM - SAT
2 stops9h 07mAmerican Airlines
Sun 7/216:00 amSAT - PWM
2 stops9h 03mAmerican Airlines
Deal found 4/24$962
Fri 5/312:38 pmPWM - SAT
1 stop8h 48mAmerican Airlines
Mon 5/61:19 pmSAT - PWM
2 stops9h 28mAmerican Airlines
Deal found 4/24$990

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 3,073,952 searches. Data last updated April 25, 2024.
Take a gander at the lowest prices we've found on Delta flights from Portland to San Antonio. Deals are refreshing constantly so come back soon for more options.
Fri 5/316:05 amPWM - SAT
1 stop6h 07mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/23$286
Tue 6/116:15 amPWM - SAT
1 stop7h 56mDelta
Tue 6/252:18 pmSAT - PWM
1 stop6h 41mDelta
Deal found 4/24$391
Tue 6/1111:58 amPWM - SAT
2 stops13h 19mDelta
Tue 6/252:18 pmSAT - PWM
1 stop6h 41mDelta
Deal found 4/24$396
Tue 6/116:15 amPWM - SAT
2 stops12h 15mDelta
Tue 6/2511:25 amSAT - PWM
2 stops9h 34mDelta
Deal found 4/24$401
Fri 5/3111:42 amPWM - SAT
2 stops13h 45mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/23$415
Fri 5/312:35 pmPWM - SAT
2 stops10h 52mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/22$417
Tue 5/75:00 amPWM - SAT
1 stop6h 51mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/24$451
Tue 5/75:00 amPWM - SAT
1 stop6h 51mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/23$496
Tue 5/72:35 pmPWM - SAT
2 stops10h 52mDelta
Tue 5/144:00 pmSAT - PWM
1 stop6h 44mDelta
Deal found 4/24$501

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 3,073,952 searches. Prices were last updated on April 25, 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 5/316:05 amPWM - SAT
1 stop6h 07mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/23$286
Fri 5/3111:42 amPWM - SAT
2 stops13h 45mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/23$415
Fri 5/312:35 pmPWM - SAT
2 stops10h 52mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/22$417
Tue 5/75:00 amPWM - SAT
1 stop6h 51mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/24$451
Tue 5/75:00 amPWM - SAT
1 stop6h 51mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/23$496
Tue 5/72:35 pmPWM - SAT
2 stops10h 52mDelta
Tue 5/144:00 pmSAT - PWM
1 stop6h 44mDelta
Deal found 4/24$501
Thu 5/235:00 amPWM - SAT
1 stop6h 51mDelta
Sun 5/263:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/24$517
Fri 5/315:00 amPWM - SAT
2 stops13h 08mDelta
Tue 6/412:17 pmSAT - PWM
2 stops10h 40mDelta
Deal found 4/23$626
Thu 5/233:50 pmPWM - SAT
2 stops20h 02mUnited Airlines
Sun 5/267:05 amSAT - PWM
1 stop15h 53mUnited Airlines
Deal found 4/24$660

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 3,073,952 searches. Data last updated April 25, 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 5/316:05 amPWM - SAT
1 stop6h 07mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/23$286
Tue 6/116:15 amPWM - SAT
1 stop7h 56mDelta
Tue 6/252:18 pmSAT - PWM
1 stop6h 41mDelta
Deal found 4/24$391
Tue 6/1111:58 amPWM - SAT
2 stops13h 19mDelta
Tue 6/252:18 pmSAT - PWM
1 stop6h 41mDelta
Deal found 4/24$396
Tue 6/116:15 amPWM - SAT
2 stops12h 15mDelta
Tue 6/2511:25 amSAT - PWM
2 stops9h 34mDelta
Deal found 4/24$401
Fri 5/3111:42 amPWM - SAT
2 stops13h 45mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/23$415
Fri 5/312:35 pmPWM - SAT
2 stops10h 52mDelta
Tue 6/43:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/22$417
Mon 11/46:00 amPWM - SAT
1 stop7h 03mUnited Airlines
Wed 11/612:50 pmSAT - PWM
1 stop9h 27mUnited Airlines
Deal found 4/24$428
Thu 7/181:33 pmPWM - SAT
1 stop21h 22mSun Country Air
Sun 7/216:40 pmSAT - PWM
1 stop17h 08mSun Country Air
Deal found 4/24$430
Tue 5/75:00 amPWM - SAT
1 stop6h 51mDelta
Tue 5/143:00 pmSAT - PWM
1 stop7h 57mDelta
Deal found 4/24$451

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 3,073,952 searches. Data last updated April 25, 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.
Fri 5/34:31 pmPWM - SAT
1 stop7h 41mUnited Airlines
Mon 5/64:55 pmSAT - PWM
2 stops20h 56mUnited Airlines
Deal found 4/23$890
Fri 5/31:37 pmPWM - SAT
2 stops10h 46mUnited Airlines
Mon 5/64:55 pmSAT - PWM
2 stops20h 56mUnited Airlines
Deal found 4/23$895
Fri 5/312:38 pmPWM - SAT
1 stop8h 48mAmerican Airlines
Mon 5/61:19 pmSAT - PWM
1 stop8h 25mAmerican Airlines
Deal found 4/24$942
Fri 5/34:31 pmPWM - SAT
1 stop7h 41mUnited Airlines
Mon 5/67:15 amSAT - PWM
1 stop26h 29mUnited Airlines
Deal found 4/23$950
Thu 5/26:30 pmPWM - SAT
1 stop26h 20mUnited Airlines
Sun 5/57:00 amSAT - PWM
1 stop6h 51mUnited Airlines
Deal found 4/23$957
Thu 5/25:00 amPWM - SAT
2 stops13h 20mDelta
Sun 5/56:31 amSAT - PWM
2 stops9h 27mDelta
Deal found 4/23$983
Fri 5/312:38 pmPWM - SAT
1 stop8h 48mAmerican Airlines
Mon 5/61:19 pmSAT - PWM
2 stops9h 28mAmerican Airlines
Deal found 4/24$990
Thu 5/21:37 pmPWM - SAT
2 stops11h 07mUnited Airlines
Sun 5/57:00 amSAT - PWM
1 stop6h 51mUnited Airlines
Deal found 4/23$993
Thu 5/26:30 pmPWM - SAT
1 stop17h 26mUnited Airlines
Sun 5/57:15 amSAT - PWM
2 stops13h 07mUnited Airlines
Deal found 4/24$998

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 3,073,952 searches. Data last updated April 25, 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 7/95:05 amPWM - SAT
1 stop7h 08mDelta
Deal found 4/24$149
Tue 7/2311:46 amPWM - SAT
1 stop21h 11mFrontier
Deal found 4/23$156
Fri 7/266:00 amPWM - SAT
1 stop6h 25mAmerican Airlines
Deal found 4/23$188
Tue 7/95:03 pmPWM - SAT
2 stops8h 24mDelta
Deal found 4/24$253
Fri 7/2611:30 amPWM - SAT
2 stops11h 52mDelta
Deal found 4/24$313
Tue 7/910:41 amPWM - SAT
3 stops13h 32mUnited Airlines
Deal found 4/24$532
Tue 5/76:05 amPWM - SAT
1 stop6h 42mUnited Airlines
Deal found 4/23$553
Tue 7/2310:41 amPWM - SAT
3 stops13h 32mUnited Airlines
Deal found 4/23$560
Tue 5/71:37 pmPWM - SAT
2 stops10h 46mUnited Airlines
Deal found 4/23$652

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 3,073,952 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$286 - $660

Route

Depart

Return

Price

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Fri 5/31

1 stop6h 07m

San Antonio

Tue 6/4

1 stop7h 57m

$286

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 6/11

1 stop7h 56m

San Antonio

Tue 6/25

1 stop6h 41m

$391

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 6/11

2 stops13h 19m

San Antonio

Tue 6/25

1 stop6h 41m

$396

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 6/11

2 stops12h 15m

San Antonio

Tue 6/25

2 stops9h 34m

$401

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Fri 5/31

2 stops13h 45m

San Antonio

Tue 6/4

1 stop7h 57m

$415

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Fri 5/31

2 stops10h 52m

San Antonio

Tue 6/4

1 stop7h 57m

$417

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Thu 7/18

1 stop21h 22m

San Antonio

Sun 7/21

1 stop17h 08m

$430

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Tue 6/11

1 stop8h 20m

San Antonio

Fri 6/14

1 stop5h 58m

$475

PortlandSan Antonio

PWM - SAT

PWMSAT

Portland

Thu 5/23

2 stops20h 02m

San Antonio

Sun 5/26

1 stop15h 53m

$660

Flights are sorted by cheapest first

Deals found on 4/23

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 21, 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 Wednesday 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 $373 while a round-trip flight costs $430. 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 25, 2024.
Get a feel of what it's like to fly with American Airlines, Delta 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
11,004 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

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

Delta
8.1
Very good
11,004 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
11,255 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

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

American Airlines
7.3
Good
14,898 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

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

Sun Country Air
7.3
Good
663 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

8.0

Reviews

1 / 10

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

Frontier
6.3
Okay
4,135 reviews
Delta
8.1
Very good
11,004 reviews
Check prices

Overall

8.1

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.5

Entertainment

8.0

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 $530.

  • Are there last-minute flights available from Portland, Maine to San Antonio for under $900?

    There are currently 12+ open flights from Portland, Maine to San Antonio within the next 7 days for less than $900.

  • 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 Sun Country Air and American Airlines, starting at $430 and $475 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 American 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 4/24.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.

Portland to Dallas/Fort Worth flights
Portland to Austin flights
Portland to Hobby flights
Portland to George Bush Intcntl flights
Bangor to Hobby flights
Bangor to George Bush Intcntl flights
Bangor to Dallas/Fort Worth flights
Bangor to Austin flights
Bangor to San Antonio flights
Portland to Love Field flights
Portland to El Paso flights
Bangor to Love Field flights
Portland to Harlingen flights
Portland to Killeen flights
Bangor to Abilene flights

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 3,073,952 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$503FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$291Average$520FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$296Average$504FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Detroit to Fort Myers flights
Los Angeles to New Delhi flights
Pensacola to Orlando flights
Chicago to Tampa flights
Dallas to Orlando flights
Phoenix to Detroit flights
Atlanta to Los Angeles flights
Austin to New Orleans flights
Austin to Hawaii flights
Chicago O'Hare Intl Airport to Orlando flights
Dallas to Phoenix flights
Portland, Maine to Savannah flights

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.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Perugia Sant Egidio
Flights to Biarritz Parme
Flights to Argostoli Cephalonia
Flights to Melilla
Flights to Milas–Bodrum
Flights to Girona Costa Brava
Flights to Fez Sais
Flights to Zakynthos Dionsios Salomos
Flights to Bourgas
Flights to Bodø
Flights to Reggio Calabria Tito Menniti
Flights to Bastia Poretta
Flights to Skiathos
Flights to Kalamata
Flights to Batumi
Flights to Menorca/Mahon
Flights to Kristiansand Kjevik
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Ohrid
Flights to Clermont-Ferrand Aulnat
Flights to Parikia Paros
Flights to Lanzhou Arpt
Flights to Mason City

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines