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Cheap flights from Portland, Maine to San Antonio from $149

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to San Antonio departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland, Maine to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from Portland, Maine to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Portland, Maine to San Antonio.

Cheap last minute flights

Planning a quick getaway from Portland, Maine to San Antonio? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Antonio, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Portland, Maine to San Antonio

Find recent round-trip train or bus tickets from Portland, Maine to San Antonio.

All round-trip flight deals to San Antonio

The cheapest plane tickets to San Antonio found on KAYAK recently.
9:13 pm - 6:10 pmPWM-SAT
21h 57m1 stop
7:10 pm - 8:14 pmSAT-PWM
24h 04m1 stop
$149Frontier
Find Deal
Fri, Dec 6 - Sat, Dec 14
5:05 am - 10:55 amPWM-SAT
6h 50m1 stop
5:25 am - 12:17 pmSAT-PWM
5h 52m1 stop
$424Delta
Find Deal
Fri, Dec 13 - Sun, Dec 15
5:05 am - 5:43 pmPWM-SAT
13h 38m2 stops
5:25 am - 12:17 pmSAT-PWM
5h 52m1 stop
$429Delta
Find Deal
Fri, Dec 13 - Sun, Dec 15
5:35 am - 12:54 pmPWM-SAT
8h 19m1 stop
5:25 am - 4:43 pmSAT-PWM
10h 18m2 stops
$431Delta
Find Deal
Fri, Jan 10 - Sun, Jan 12
4:20 pm - 10:05 pmPWM-SAT
6h 45m1 stop
8:35 pm - 12:30 pmSAT-PWM
14h 55m2 stops
$453Southwest
Find Deal
Mon, Mar 3 - Fri, Mar 7
3:35 pm - 9:10 pmPWM-SAT
6h 35m1 stop
8:35 pm - 12:30 pmSAT-PWM
14h 55m2 stops
$476Southwest
Find Deal
Tue, Mar 4 - Fri, Mar 7
1:55 pm - 8:21 pmPWM-SAT
7h 26m1 stop
7:00 am - 2:42 pmSAT-PWM
6h 42m1 stop
$516United Airlines
Find Deal
Fri, Jan 10 - Sun, Jan 12
2:15 pm - 7:59 pmPWM-SAT
6h 44m1 stop
12:24 pm - 11:18 pmSAT-PWM
9h 54m2 stops
$518United Airlines
Find Deal
Sat, Apr 19 - Sat, Apr 26
6:14 pm - 1:42 pmPWM-SAT
20h 28m3 stops
2:37 pm - 11:29 amSAT-PWM
19h 52m2 stops
Fri, Dec 6 - Tue, Dec 10
6:14 pm - 1:42 pmPWM-SAT
20h 28m3 stops
2:37 pm - 4:35 pmSAT-PWM
24h 58m3 stops
Fri, Dec 6 - Sat, Dec 14
4:46 pm - 10:59 pmPWM-SAT
7h 13m1 stop
$178Delta
Find Deal
Tue, Jan 7
12:00 pm - 10:59 pmPWM-SAT
11h 59m2 stops
$183Delta
Find Deal
Tue, Jan 14
5:20 am - 1:24 pmPWM-SAT
9h 04m2 stops
$228United Airlines
Find Deal
Tue, Jan 7
6:00 am - 11:15 pmPWM-SAT
18h 15m3 stops
$624United Airlines
Find Deal
Tue, Jan 14
5:30 am - 11:55 amPWM-SAT
7h 25m1 stop
5:00 am - 2:30 pmSAT-PWM
8h 30m1 stop
$946Southwest
Find Deal
Mon, Nov 25 - Sat, Nov 30
5:30 am - 11:55 amPWM-SAT
7h 25m1 stop
5:40 am - 2:30 pmSAT-PWM
7h 50m2 stops
$951Southwest
Find Deal
Mon, Nov 25 - Sat, Nov 30
5:30 am - 1:25 pmPWM-SAT
8h 55m2 stops
7:30 am - 5:55 pmSAT-PWM
9h 25m2 stops
$956Southwest
Find Deal
Mon, Nov 25 - Sat, Nov 30
7:27 pm - 7:58 pmPWM-SAT
25h 31m1 stop
7:43 am - 10:28 amSAT-PWM
25h 45m1 stop
$977United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25
7:27 pm - 7:58 pmPWM-SAT
25h 31m1 stop
7:43 am - 10:50 pmSAT-PWM
14h 07m2 stops
$982United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25
7:27 pm - 11:18 amPWM-SAT
16h 51m2 stops
7:40 am - 10:28 amSAT-PWM
25h 48m2 stops
$987United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25
5:30 am - 11:11 amPWM-SAT
6h 41m1 stop
7:43 am - 8:09 pmSAT-PWM
11h 26m1 stop
$997United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25
5:30 am - 4:54 pmPWM-SAT
12h 24m2 stops
7:43 am - 8:09 pmSAT-PWM
11h 26m1 stop
$1,002United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25
5:30 am - 4:54 pmPWM-SAT
12h 24m2 stops
7:43 am - 10:50 pmSAT-PWM
14h 07m2 stops
$1,007United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25
1:31 pm - 11:38 pmPWM-SAT
11h 07m2 stops
8:49 am - 10:50 pmSAT-PWM
13h 01m3 stops
$1,056United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25

Southwest flights from Portland, Maine to San Antonio

Our best Southwest deals on Portland, Maine to San Antonio flight tickets
Southwest
Mar 3
PWM4:20 pmPortland
6h 45m
1 stop
SAT10:05 pmSan Antonio
Mar 7
SAT8:35 pmSan Antonio
14h 55m
2 stops
PWM12:30 pmPortland
Southwest
Mar 4
PWM3:35 pmPortland
6h 35m
1 stop
SAT9:10 pmSan Antonio
Mar 7
SAT8:35 pmSan Antonio
14h 55m
2 stops
PWM12:30 pmPortland
Southwest
Mar 3
PWM4:20 pmPortland
6h 45m
1 stop
SAT10:05 pmSan Antonio
Mar 7
SAT5:30 pmSan Antonio
5h 35m
1 stop
PWM12:05 amPortland

United Airlines flights from Portland, Maine to San Antonio

Our best United Airlines deals on Portland, Maine to San Antonio flight tickets
United Airlines
Jan 10
PWM1:55 pmPortland
7h 26m
1 stop
SAT8:21 pmSan Antonio
Jan 12
SAT7:00 amSan Antonio
6h 42m
1 stop
PWM2:42 pmPortland
United Airlines
Apr 19
PWM2:15 pmPortland
6h 44m
1 stop
SAT7:59 pmSan Antonio
Apr 26
SAT12:24 pmSan Antonio
9h 54m
2 stops
PWM11:18 pmPortland
United Airlines
Mar 4
PWM6:01 amPortland
10h 51m
2 stops
SAT3:52 pmSan Antonio
Mar 6
SAT12:30 pmSan Antonio
9h 45m
2 stops
PWM11:15 pmPortland

See travel insights to San Antonio from

How to get the cheapest flight ticket from Portland, Maine to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of June, then book flights to San Antonio from Portland, Maine during September instead. Flights to San Antonio in September, while not as cheap as those in June, still average around $436.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $426. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $618.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Portland, Maine to San Antonio in the evening for as low as $0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $590. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to San Antonio?

In general, most travelers find the cheapest time to book a flight to San Antonio is about 60 days prior to their departure date when tickets on average are $522. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Portland, Maine for as low as $228 on momondo.

Can stopping save me money on Portland, Maine to San Antonio flights?

You could potentially save up to 59% on your flight if you consider stops on a Portland, Maine to San Antonio flight.

How have Portland, Maine to San Antonio flight prices changed over time?

As of November 2024, prices for Portland, Maine to San Antonio flights are approximately 78% more expensive when compared to flights at the same time last year.

When to book flights from Portland, Maine to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to San Antonio (PWM to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to San Antonio

Best Price Found

$178

Fastest flight time

6h 16m

Direct flights

None

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Portland, Maine in the past 72 hours is $178. The best round-trip flight deal from Portland, Maine to San Antonio found on momondo in the last 72 hours is $149.
The fastest flight from Portland, Maine to San Antonio takes 6h 16m
There are no direct flights from Portland, Maine to San Antonio. Popular non-direct route for this connection is Portland Airport - San Antonio Airport.
There is 1 airport near San Antonio: San Antonio (SAT)

  • How far is Portland to San Antonio by plane?

    The distance between Portland and San Antonio is about 1835.4 mi. In terms of flight time, this usually takes a little over 6h 16m.

  • When did momondo last update prices for flights from Portland Airport to San Antonio Airport?

    Prices for flights from Portland Airport to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to San Antonio Airport?

  • How old do you have to be to fly from Portland Airport to San Antonio Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland, Maine to San Antonio?


Best airlines flying from Portland, Maine to San Antonio

Compare and see reviews for airlines that fly from Portland, Maine to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $316Free CancellationRating
8.0
8,755 reviews
Search Delta flights
American AirlinesPriceFrom $336Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
SouthwestPriceFrom $353Free CancellationRating
8.1
5,005 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to San Antonio?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to San Antonio. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to San Antonio with flexible booking policies on momondo?

All flight searches from Portland to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to San Antonio?

momondo provides multiple filters to help you find the best flight to San Antonio from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to San Antonio right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Antonio from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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