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PWM - SAT

$154 Find cheap flights from Portland, Maine to San Antonio

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Portland to San Antonio 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.
1 adult
0 bags
Wed 6/5
Wed 6/12

Search hundreds of travel sites at once for deals on flights to San Antonio

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to San Antonio, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Portland to San Antonio, as well as popular online travel agencies
In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

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Cheap flight deals from Portland to San Antonio (PWM-SAT)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Portland to San Antonio that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
6:05 am - 1:05 pmPWM-SAT
8h 00m1 stop
3:45 pm - 11:06 pmSAT-PWM
6h 21m1 stop
$348Delta
Find Deal
Fri, Oct 25 - Thu, Oct 31
6:05 am - 11:14 amPWM-SAT
6h 09m1 stop
5:40 am - 4:58 pmSAT-PWM
10h 18m2 stops
$353Delta
Find Deal
Fri, Oct 25 - Thu, Oct 31
4:00 pm - 10:00 pmPWM-SAT
7h 00m1 stop
5:54 pm - 12:52 amSAT-PWM
5h 58m1 stop
$383American Airlines
Find Deal
Thu, Jun 20 - Mon, Jun 24
5:05 am - 11:13 amPWM-SAT
7h 08m1 stop
11:34 am - 11:21 pmSAT-PWM
10h 47m2 stops
$391Delta
Find Deal
Thu, Jun 20 - Mon, Jun 24
5:00 am - 10:51 amPWM-SAT
6h 51m1 stop
3:00 pm - 11:57 pmSAT-PWM
7h 57m1 stop
$397Delta
Find Deal
Fri, May 31 - Tue, Jun 4
1:05 pm - 8:20 pmPWM-SAT
8h 15m1 stop
5:54 pm - 12:52 amSAT-PWM
5h 58m1 stop
$403American Airlines
Find Deal
Thu, Jun 20 - Sun, Jun 23
1:00 pm - 8:20 pmPWM-SAT
8h 20m1 stop
5:54 pm - 12:52 amSAT-PWM
5h 58m1 stop
$420American Airlines
Find Deal
Tue, Jun 11 - Fri, Jun 14
5:30 am - 10:59 amPWM-SAT
6h 29m1 stop
7:09 am - 11:53 pmSAT-PWM
15h 44m1 stop
$527United Airlines
Find Deal
Thu, Jul 4 - Fri, Jul 12
6:10 am - 11:42 amPWM-SAT
6h 32m1 stop
12:00 pm - 11:58 pmSAT-PWM
10h 58m1 stop
$601United Airlines
Find Deal
Fri, Jun 7 - Mon, Jun 10
6:10 am - 11:42 amPWM-SAT
6h 32m1 stop
9:40 am - 9:06 pmSAT-PWM
10h 26m2 stops
$697United Airlines
Find Deal
Fri, Jun 7 - Mon, Jun 10

Flights from Portland to San Antonio - Travel Insights & Trends

Get data-powered insights and trends into flights from Portland to San Antonio to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Portland to San Antonio?

The average price of all flights from Portland, Maine to San Antonio clicked on KAYAK for each day over the last 12 months.
For Portland to San Antonio, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from San Antonio back to Portland, the best deals are generally found on Tuesday, with Thursday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Portland, Maine to San Antonio, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Portland, Maine to San Antonio is October, where tickets cost $369 on average. On the other hand, the most expensive months are March and April, where the average cost of tickets is $677 and $675 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Portland, Maine to San Antonio, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Portland, Maine to San Antonio, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 31 days before departure.

Which airlines provide the cheapest flights from Portland to San Antonio?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Portland to San Antonio found by KAYAK users in the last 72 hours was for $348 on Delta, followed by American Airlines ($383). One-way flight deals have also been found from as low as $154 on Delta and from $155 on Frontier.

Good to know

Low season

March

High season

October

Cheapest flight

$154
Best time to beat the crowds but there is an average 30% increase in price.
Most popular time to fly and prices are also 29% lower on average.
Flight from Portland to San Antonio

When to book flights from Portland to San Antonio

Are your dates flexible? Find out the best times to travel from Portland to San Antonio based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Portland to San Antonio

  • What is the cheapest flight from Portland, Maine to San Antonio?

    In the last 3 days, the lowest price for a flight from Portland, Maine to San Antonio was $154 for a one-way ticket and $348 for a round-trip.

  • Do I need a passport to fly between Portland and San Antonio?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Portland to San Antonio?

    Portland and San Antonio are both served by 1 main airport. You will leave Portland from Portland and will be arriving at San Antonio.

  • Which aircraft models fly most regularly from Portland to San Antonio?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Portland to San Antonio?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Portland and San Antonio, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Portland to San Antonio, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from Portland to San Antonio are Delta and United Airlines. With an average price for the route of $495 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $512 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Portland to San Antonio?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Portland to San Antonio.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Portland to San Antonio?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Antonio from Portland is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Portland to San Antonio?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Antonio with an airline and back to Portland with another airline. Booking your flights between Portland and SAT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Portland to San Antonio?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Antonio from Portland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Portland to San Antonio

 
See real verified KAYAK customer reviews for airlines flying from Portland to San Antonio. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Portland to San Antonio? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 10826 reviews
8.2Boarding
7.9Comfort
7.4Food
8.6Crew
8.0Entertainment
Airline reviews

The gate area was incredibly short staffed, with one representative manning 4-5 flights, which caused a 3 hr delay in boarding even though the plane was all ready to leave. Other flights also were delayed because of this. The flight crew was awesome and I feel bad for the only gate worker on call, but Delta needs to hire more employees.

2.0 MediocreAnonymous, May 2024AVL - LGA
Read more about Delta reviews

The gate area was incredibly short staffed, with one representative manning 4-5 flights, which caused a 3 hr delay in boarding even though the plane was all ready to leave. Other flights also were delayed because of this. The flight crew was awesome and I feel bad for the only gate worker on call, but Delta needs to hire more employees.

Very frustrated with boarding gate crew. She announced the plane was small and they would be limiting us to one item to carry on. Not a problem for me as I understand the tiny planes have limited space!! Not the case here! It was a rather large plane and had plenty of room for bags! So because I don’t want to be one of “those people” who ignores the request to check a carry on I did so asking if I would be able to pick it up at the bottom of the ramp on arrival in Knoxville to which she responded “yes”! Then I watched as every other passenger held onto their 2 items and boarded!! Then when we arrived in Knoxville our 2 carry ons had been put with all the other luggage and we had to go to baggage pick up and wait for all the big checked bags to come off the carousel! So she lied!! Frustrating. Next time I won’t be so nice!

It was a good experience except when boarding a female flight attendant did not go out of her way to assist my teenage daughters in finding space for their carry-ons after their compartments were full.

On time departure, smooth trip, flight attendant told through passengers the gate we would arrive at and the gate our outbound flight was departing from. Early arrival

Checking in at the airport the agent only booked the first keg of my trip and had my checked luggage going to the airport with a layover! Never was issued a boarding pass for the second leg or received sticker fir my checked bag. All was well in the end! Delta agents helped to resolve the situation!!!

Delayed due to an ill passenger after loading. Not preventable on Delta's part. Was in first class. The seats are becoming worn and detaching from their velcro attachments. Only got snacks on flight. The attendant was not the friendliest.

I would fly again the whole experience was great. The only feed back I can give that they don't do that American Airlines does is the crew there is more humorous with boarding and thank their passengers. It makes it more fun to fly with them. I would however fly Delta again.

From Atlanta to Cabo I would have hoped on a plane that size I would have been able to breathe and wiggle my feet a little! The leg room in that plane is non existent and I am only 5”4’. And the air vent either wasn’t working very well or just could not blow air from the ceiling to the seat area as I was suffocating through the entire flight! And please don’t say I would have been more comfortable in first class because I cannot afford those rates and have always travelled Main Cabin without issues !

The pilots were good. Disappointing when planes don't have electrical ports

I liked the piloting of the aircraft. Very disappointed about lack of electrical ports. Also, although a short flight. there was enough time to hand out snacks to comfort + seats as was done for first class.

Crew were fine, drinks and snacks were as well but we were delayed for around 2 hrs which made our entry into Mexico delayed as well with the influx of arrivals at the same time. Sort of wasted our first day of vacation. We left Pittsburgh at 630am and did not arrive in Mexico until late dinner time.

Boarding was unorganized. They expected passengers to ask people to move their assigned seat they paid for in order to sit together. The seats even in comfort are smaller than other airlines and the flight attendants appeared not to be well prepared

Due to one crew member not showing up to work, our flight was significantly delayed causing us to miss our connecting flight in Houston to Mississippi causing us to be delayed by more than 6 hours and missing our event all together. Very disappointing. All because ONE crew member called in sick. United did grant us a $15 meal voucher, which was a small but appreciated concession that I wasn’t able to use because I ordered my lunch and paid for it before applying the concession, and the staff said it was too late to use it. Ugh! We also had a TWO delay coming back from Mississippi, but that was on American Airlines and it was due to weather, so not their fault. Anyway, not at all impressed with United’s handling of our flight and the HUGE disappointment of missing our important family event for our 90 year old mother. All that money and all that stress and emotions for nothing. Having to wait the hour to bring an employee from LAX seemed like something that should not have happened. Why don’t you have a local back-up? Santa Ana is not a little airport in a rural area.

Trip was smooth bumpy from the wind but no issues at all the crew attendant was very pleasant and had great customer service

The customer service was excellent! Check-in, baggage check-in, boarding, the flight went very smooth.

Awful. I got stuck next to a person carrying a dog and behind someone with a dog. People need to board these dogs downstairs. The cabin is crowded enough with your pets

It was delayed several hours which delayed our connection in Denver. Not happy.

Ok, but comfort was lacking as the seats were way to small

All good except paid for wifi that did not work

Some of these FA’s need attitude check. Snarky bitches

Horrible - they lied to me about baggage & boarding, even though I specifically spoke to their agents the day before my flight about my issue. When I showed up they did not let me board and stranded me at my airport until I bought a new flight with money I did not have to spend.

They gave my seat away although it was a connecting flight with them and the flight was a bit delayed.

this is starting to seem like an american airlines standard. delayed flights and fake apologies… getting tired of it

Flight boarded without pilots. Sat on plane for 3 hrs. after over an hour late boarding. Plane never took off. Had to deplane near midnight. Line for rebooking was 3 hours + long. I had to leave.

Missed the flight because of them and up geting a rental car

Delayd flight out of atl as always miss my conection in dfw no flight untill next day

No problems with flight. Even though I had a short layover in DFW, I was still able to easily make my connection.

Good flights. Departure and arrivals were on time. DFW was a little problematic in that the Skytrain without prior notice bypassed the Echo terminal so that delayed my arrival at my connecting flight.

Late boarding to clean plane from previous flight; initial boarding announcement not loud enough; fantastic cabin attendant front of plane

Delayed flight, few announcements with information, no comps, cluster f boarding because zones weren’t spread out and announced loud and repeatedly, staff did their job -nothing more nothing less, annoying kids were speaking and kicking the heck out of the back of my seat and parents weren’t willing to parent… so another typical day of air travel in the US.,

Book cheap flights from Portland to San Antonio

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Portland to San Antonio found on KAYAK in the last 72 hours.
7/23Tue
1 stopDelta
7h 08mPWM-SAT
$154
6/20Thu
1 stopFrontier
20h 52mPWM-SAT
$155
7/23Tue
2 stopsDelta
11h 22mPWM-SAT
$159
7/26Fri
1 stopAmerican Airlines
6h 25mPWM-SAT
$193
6/20Thu
2 stopsDelta
8h 20mPWM-SAT
$248
6/20Thu
3 stops
33h 16mPWM-SAT
$267
7/26Fri
2 stopsDelta
10h 23mPWM-SAT
$274
7/23Tue
3 stopsUnited Airlines
13h 32mPWM-SAT
$527
7/9Tue
3 stopsUnited Airlines
13h 32mPWM-SAT
$550
7/26Fri
3 stopsUnited Airlines
13h 32mPWM-SAT
$655

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Last minute flights from Portland to San Antonio

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Portland to San Antonio that are departing in the next 10 days.
5/7Tue
multi-stopDelta
6h 07mPWM-SAT
5/14Tue
multi-stopDelta
7h 57mSAT-PWM
$694
5/7Tue
multi-stopDelta
9h 09mPWM-SAT
5/14Tue
multi-stopDelta
7h 57mSAT-PWM
$699
5/7Tue
multi-stopDelta
10h 52mPWM-SAT
5/14Tue
multi-stopDelta
12h 10mSAT-PWM
$704

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Portland - San Antonio Flights

Departure:

Portland (PWM)United States

Destination:

San Antonio (SAT)United States

Return flight deals:

San Antonio - Portland

Cabin classes: