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Flights from San Antonio to Portland

Find cheap airlines flights from San Antonio to Portland

You can choose from 2 airlines that fly from San Antonio to Portland, including Alaska Airlines, Delta Air Lines, Frontier Airlines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from San Antonio to Portland according to previous 12 months data from Trip.com.

Find flight deals from San Antonio to Portland for the next 3 months. Book one way flights from $149 or round trip flights from $258.

      • SAT 8:56 PM
        24h 51m
        1 stop
        PDX 7:47 PM
        San Antonio - Portland | Thu, Jun 11 | Frontier Airlines
        PDX 8:42 PM
        21h 29m
        1 stop
        SAT 8:11 PM
        Portland - San Antonio | Tue, Jun 16 | Frontier Airlines
        $258 $433
        40% off
        40% off
        $433 $258
      • SAT 8:56 PM
        24h 51m
        1 stop
        PDX 7:47 PM
        San Antonio - Portland | Fri, Jun 12 | Frontier Airlines
        PDX 8:42 PM
        21h 29m
        1 stop
        SAT 8:11 PM
        Portland - San Antonio | Tue, Jun 16 | Frontier Airlines
        $278 $433
        36% off
        36% off
        $433 $278
      • SAT 7:51 PM
        22h 44m
        1 stop
        PDX 4:35 PM
        San Antonio - Portland | Tue, Jun 23 | Frontier Airlines
        PDX 5:20 PM
        23h 36m
        1 stop
        SAT 6:56 PM
        Portland - San Antonio | Wed, Jul 1 | Frontier Airlines
        $284 $433
        34% off
        34% off
        $433 $284
      • SAT 7:39 PM
        22h 57m
        1 stop
        PDX 4:36 PM
        San Antonio - Portland | Wed, Jul 8 | Frontier Airlines
        PDX 12:20 PM
        28h 24m
        1 stop
        SAT 6:44 PM
        Portland - San Antonio | Sun, Jul 12 | Frontier Airlines
        $338
        22% off
        $433 $338
      • SAT 8:56 PM
        23h 8m
        1 stop
        PDX 6:04 PM
        San Antonio - Portland | Sun, Jul 5 | Frontier Airlines
        PDX 5:16 PM
        23h 38m
        1 stop
        SAT 6:54 PM
        Portland - San Antonio | Wed, Jul 8 | Frontier Airlines
        $349
        19% off
        $433 $349
      • SAT 4:44 PM
        7h 38m
        1 stop
        PDX 10:22 PM
        San Antonio - Portland | Thu, Jun 11 | Delta Air Lines
        PDX 8:42 PM
        21h 29m
        1 stop
        SAT 8:11 PM
        Portland - San Antonio | Tue, Jun 16 | Frontier Airlines
        $357
        18% off
        $433 $357
      • SAT 8:56 PM
        22h 28m
        1 stop
        PDX 5:24 PM
        San Antonio - Portland | Fri, Jul 3 | Frontier Airlines
        PDX 5:16 PM
        23h 38m
        1 stop
        SAT 6:54 PM
        Portland - San Antonio | Wed, Jul 8 | Frontier Airlines
        $360
        17% off
        $433 $360
      • SAT 8:56 PM
        24h 51m
        1 stop
        PDX 7:47 PM
        San Antonio - Portland | Fri, Jun 19 | Frontier Airlines
        PDX 8:42 PM
        21h 29m
        1 stop
        SAT 8:11 PM
        Portland - San Antonio | Tue, Jun 23 | Frontier Airlines
        $361
        17% off
        $433 $361
      • SAT 4:44 PM
        7h 38m
        1 stop
        PDX 10:22 PM
        San Antonio - Portland | Fri, Jun 12 | Delta Air Lines
        PDX 8:42 PM
        21h 29m
        1 stop
        SAT 8:11 PM
        Portland - San Antonio | Tue, Jun 16 | Frontier Airlines
        $363
        16% off
        $433 $363
      • SAT 8:23 PM
        6h 27m
        1 stop
        PDX 12:50 AM
        San Antonio - Portland | Thu, Jun 11 | American Airlines
        PDX 8:42 PM
        21h 29m
        1 stop
        SAT 8:11 PM
        Portland - San Antonio | Tue, Jun 16 | Frontier Airlines
        $363
        16% off
        $433 $363
      • SAT 1:00 PM
        17h 25m
        1 stop
        PDX 2:00 PM
        San Antonio - Portland | Thu, Jun 11 | Normal Airline
        PDX 3:00 PM
        6h
        Nonstop
        SAT 4:00 PM
        Portland - San Antonio | Sat, Jun 13 | Normal Airline
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        Find more flights
      • SAT 8:59 PM
        23h 5m
        1 stop
        PDX 6:04 PM
        San Antonio - Portland | Fri, Jul 10 | Frontier Airlines
        $149 $602
        75% off
        75% off
        $602 $149
      • SAT 7:51 PM
        23h 6m
        1 stop
        PDX 4:57 PM
        San Antonio - Portland | Thu, Jul 2 | Frontier Airlines
        $167 $602
        72% off
        72% off
        $602 $167
      • SAT 7:51 PM
        23h 6m
        1 stop
        PDX 4:57 PM
        San Antonio - Portland | Sun, Jun 14 | Frontier Airlines
        $172 $602
        71% off
        71% off
        $602 $172
      • SAT 5:57 PM
        7h 7m
        1 stop
        PDX 11:04 PM
        San Antonio - Portland | Wed, Jun 10 | Alaska Airlines
        $184
        69% off
        $602 $184
      • SAT 12:50 PM
        10h 56m
        1 stop
        PDX 9:46 PM
        San Antonio - Portland | Wed, Jun 10 | Delta Air Lines
        $190
        68% off
        $602 $190
      • SAT 7:26 PM
        17h 47m
        1 stop
        PDX 11:13 AM
        San Antonio - Portland | Wed, Jun 10 | Frontier Airlines
        $192
        68% off
        $602 $192
      • SAT 4:44 PM
        8h 46m
        1 stop
        PDX 11:30 PM
        San Antonio - Portland | Mon, Jun 15 | Alaska Airlines
        $202
        66% off
        $602 $202
      • SAT 4:44 PM
        7h 38m
        1 stop
        PDX 10:22 PM
        San Antonio - Portland | Fri, Jun 12 | Delta Air Lines
        $203
        66% off
        $602 $203
      • SAT 4:44 PM
        9h 15m
        1 stop
        PDX 11:59 PM
        San Antonio - Portland | Wed, Aug 5 | Alaska Airlines
        $203
        66% off
        $602 $203
      • SAT 8:56 PM
        23h 8m
        1 stop
        PDX 6:04 PM
        San Antonio - Portland | Sun, Jul 5 | Frontier Airlines
        $204
        66% off
        $602 $204
      • SAT 1:00 PM
        17h 25m
        1 stop
        PDX 2:00 PM
        San Antonio - Portland | Thu, Jun 11 | Normal Airline
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Displayed flight fares from San Antonio to Portland are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | San Antonio to Portland

The distance between San Antonio and Portland is approximately 2,757.47 km. It takes around 8 hours 17 minutes on average to fly from San Antonio to Portland. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price$149
Cheapest round-trip ticket price$258
Off-season for travelSeptember
Peak season for travelJuly
Flight distance2,757.47 km
Average flight time8 hours 17 minutes
Popular airlineAlaska Airlines
Flight statistics for the San Antonio–Portland route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from San Antonio to Portland (SAT-PDX)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $149 on Cheapest nonstop routes (e.g. SAT to PDX on Fri, Jul 10), while Frontier Airlines offers Cheapest nonstop round-trips from $258 departing on Thu, Jun 11 and returning on Tue, Jun 16.
  • At the moment, several airlines serve connecting flights from San Antonio to Portland, including: Alaska Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • It takes around 8 hours 17 minutes to fly from San Antonio (SAT) to Portland (PDX).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Antonio to Portland is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 1 flight per week flying from San Antonio to Portland. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: -/-/-/-/-/-/- -- DL8942 (13:19) Delta Air Lines: -/-/-/-/-/-/- -- DL8940 (23:39)
  • To find best deals on flights from San Antonio to Portland, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jul 10, with one-way flights priced at just $149.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Portland travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Antonio to Portland is September, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from San Antonio to Portland on June 10, 2026 with Frontier Airlines, with prices starting at $258.
  • You can land at any one of the following hubs in Portland, with San Antonio International Airport to Portland International Airport (SAT-PDX) is by far the most common option on this route: Portland International Airport (PDX) Hillsboro Airport (HIO).
  • The time difference between Portland and San Antonio is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.