Cheap Flights from San Antonio International (SAT) to Portland (PWM)

Compare San Antonio International to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

Book the best Portland fare with no extra fees

Find the cheapest month to fly from San Antonio International to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to Portland flights are currently cheapest in December.

San Antonio International to Portland: Alternative routes

Compare routes from San Antonio International to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

San Antonio to Portland: Flight information

The things to know before you go.
Cheapest flight found£286
Cheapest month to flyDecember

Finding cheap flights from San Antonio International to Portland: Frequently asked questions

The best price we found for a return flight from San Antonio International to Portland is £286. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from San Antonio International to Portland. But we found flights with one or more stops from £286.
As of December 2025, there are no flights flying from San Antonio International to Portland.
The cheapest month to fly from San Antonio International to Portland is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Portland Airport on Wednesday, 24 December 2025.
No airlines currently offer direct flights between San Antonio International Airport and Portland Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Portland.

Flying from San Antonio International Airport (SAT) to Portland International Jetport Airport (PWM): what you need to know

  • To ensure you catch your SAT to PWM flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and an hour before domestic flights is the general rule.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during a high season in general.

  • We make it easy to book a flight with a stopover. To see all your options for tickets from San Antonio International Airport to Portland International Jetport Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to explore your chosen city. Top stopovers between SAT and PWM include:

    • Charlotte Douglas International Airport

    • O'Hare International Airport

    • Baltimore/Wash International Thurgood Marshall Airport

How to find the cheapest flights from San Antonio International Airport (SAT) to Portland International Jetport Airport (PWM)

  • At the moment, £129 is the lowest price we've found for a one-way San Antonio International Airport to Portland International Jetport Airport flight. The best price for a return ticket is £286. Keep in mind that fares can change due to demand at the time of booking.

  • It's often best to book in advance if you want to get cheap tickets from SAT to PWM. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • If you're willing to be flexible with your travel plans, try using the 'Whole month' tool. It'll give you the cheapest price across every month when looking for your flight from San Antonio International Airport to Portland International Jetport Airport.

  • Spend less time searching for cheap flights from SAT to PWM by creating a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Select your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from San Antonio International Airport to Portland International Jetport Airport.

Handy information about San Antonio International Airport (SAT)

  • You'll find SAT at 9800 Airport Boulevard.

  • 83.17% of flights leaving San Antonio International Airport reach their destination on time. With its strong on-time performance, you're unlikely to experience delays when jetting out of SAT.

  • Central San Antonio to San Antonio International Airport is approximately 12 miles. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The trip when using public transport usually takes 1 hour 30 minutes.

  • Looking for a convenient hotel near SAT? If you're boarding an early flight from San Antonio International Airport to Portland International Jetport Airport, these stays will have you moments from your check-in counter:

Arriving at Portland International Jetport Airport (PWM)

Getting from Portland International Jetport Airport (PWM) to central Portland

  • PWM is located at 1001 Westbrook Street.

  • Portland International Jetport Airport to central Portland has a drive time of about 15 minutes. It's approximately 5 miles away.

  • Getting to the centre on public transport takes roughly 40 minutes.

When to fly to Portland International Jetport Airport (PWM)

  • It's time to plan your travel dates for your flight from San Antonio International Airport to Portland International Jetport Airport. August is the busiest month to head to Portland. If you prefer a more laid-back vibe, go in March.

  • Before locking in your flight from San Antonio International Airport to Portland International Jetport Airport, think about the kind of weather you like. July is the warmest month in Portland, with the temperature ranging from 14ºC (57ºF) to 25ºC (77ºF).

  • January has average temperatures of between -10ºC (14ºF) and 3ºC (37ºF). Look for cheap tickets from SAT to PWM sometime around then if you want to travel when it's cooler.

Explore more of United States

  • Portland has loads to offer, but there are so many other corners of United States waiting to be explored. About 280 miles south-west of Portland, a visit to New York will keep you on the go. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • If you're ready to explore another great destination in United States, head for Boston, about 100 miles south-west of Portland. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.