Cheap Flights from San Antonio, TX to Portland, ME from $191
On Cheapflightsplus.com you will find 185 connecting flights from San Antonio to Portland. You can compare airfare deals from 4 airlines and multiple travel sites from $191, book and save on cheap plane tickets and last minute offers. Also check out SAT-PWM flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from San Antonio to Portland depends on and how to choose the most interesting flight option for you.
Distance between San Antonio and Portland is 2942 miles. Time difference between the cities is 1h. Airplanes depart 05:15 to 20:48 from 5 San Antonio airports and arrive 05:15 to 20:48 to 1 Portland airport. Average flight time is 19h 28m.
- The fastest flight 6h 14m
- Average flight time 19h 28m
- The earliest flight 05:15
- The latest flight 20:48
- Distance 1829 ml
Best Flights from San Antonio to Portland Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $191 | 19:15 San Antonio San Antonio | 11:35+1 день Portland Portland Intl Jetport | 15h 20m layover 9h 55m - Minneapolis | Sun Country Airlines | SY1836 SY1821 |
| from $211 | 12:00 San Antonio San Antonio | 19:29 Portland Portland Intl Jetport | 6h 29m layover 1h 12m - Washington D.C. | United Airlines | UA2250 UA3517 |
| from $215 | 12:09 San Antonio San Antonio | 14:52+1 день Portland Portland Intl Jetport | 25h 43m layover 16h 31m - Atlanta 1h 30m - Minneapolis | Spirit Airlines | NK1197 SY1628 SY1819 |
| from $218 | 09:00 San Antonio San Antonio | 19:29 Portland Portland Intl Jetport | 9h 29m layover 0h 57m - Denver 0h 51m - Washington D.C. | United Airlines | UA2853 UA2853 UA3517 |
The cheapest months to travel to Portland are july (from 191 $), august (from 211 $), september (from 213 $).
The most expensive months are october (from 306 $), september (from 213 $), august (from 211 $).
What is the lowest airfare San Antonio to Portland?
The cheapest plane ticket found by our users is $191. This airfare is for economy class on one-way SY1836 flight by Sun Country Airlines for August 8, 2025 which leaves San Antonio in San Antonio at 19:15 am and arrives at Portland Portland Intl Jetport at 11:35.
Flight Schedule San Antonio (Texas) to Portland (Maine)
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Popular Airlines on the Route
The flight San Antonio — Portland is served by 4 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 1 departures per week at the price of from $ 6596 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 6596.
Direct flights
There’re no direct flights on this route. Try flights with stops.
Connecting Flights
There are 185 flights with layovers on the route. The fastest connecting flight is UA1486 by United Airlines takes 6h 14m and the cheapest is SY1836 by Sun Country Airlines for $191.
- AS - Alaska Airlinesfrom $6596Find
- SY - Sun Country Airlinesfrom $191Find
- UA - United Airlinesfrom $211Find
- NK - Spirit Airlinesfrom $215Find
Airports
You can fly from San Antonio to Portland from 5 airports (Randolph AFB, Martindale AAF, San Antonio, Kelly AFB, Stinson Municipal).
San Antonio airports
- Randolph AFB-RNDFind
- Martindale AAF-MDAFind
- San Antonio-SATfrom $191Find
- Kelly AFB-SKFFind
- Stinson Municipal-SSFFind
Portland airports
- Portland Intl Jetport-PWMFind
Airplanes
There are flights to Portland from San Antonio by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from San Antonio
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Top International Destinations from San Antonio
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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