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Cheap flights from San Antonio to Portland from $74

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Portland departing on 4/29. 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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0 bags

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Find the cheapest flights from San Antonio to Portland

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Antonio to Portland.
7:25 pm - 1:37 pmSAT-PDX
20h 12m1 stop
7:01 pm - 5:26 pmPDX-SAT
20h 25m1 stop
$146Spirit Airlines
Find Deal
Wed, Apr 23 - Tue, Apr 29
5:39 am - 6:05 pmSAT-PDX
14h 26m1 stop
7:01 pm - 9:32 amPDX-SAT
12h 31m1 stop
$151Spirit Airlines
Find Deal
Fri, May 2 - Sat, May 3
4:00 pm - 10:41 pmSAT-PDX
8h 41m1 stop
11:11 pm - 10:35 amPDX-SAT
9h 24m1 stop
$257Delta
Find Deal
Tue, May 20 - Wed, May 28
6:10 pm - 11:42 pmSAT-PDX
7h 32m1 stop
1:00 pm - 11:42 pmPDX-SAT
8h 42m1 stop
$267Delta
Find Deal
Tue, May 20 - Mon, Jun 2
7:45 pm - 12:36 amSAT-PDX
6h 51m1 stop
12:59 am - 9:13 amPDX-SAT
6h 14m1 stop
$347American Airlines
Find Deal
Sat, Jul 12 - Fri, Jul 18
12:05 pm - 6:30 pmSAT-PDX
8h 25m2 stops
6:00 am - 6:20 pmPDX-SAT
10h 20m1 stop
$352Southwest
Find Deal
Wed, Aug 27 - Sat, Sep 6
1:10 pm - 5:28 pmSAT-PDX
6h 18m1 stop
11:59 pm - 8:50 amPDX-SAT
6h 51m1 stop
$357United Airlines
Find Deal
Wed, May 21 - Sun, Jun 1
4:53 pm - 12:31 amSAT-PDX
9h 38m2 stops
8:45 am - 9:06 pmPDX-SAT
10h 21m2 stops
$367United Airlines
Find Deal
Mon, May 5 - Tue, May 6
5:30 pm - 12:35 amSAT-PDX
9h 05m1 stop
6:45 am - 6:20 pmPDX-SAT
9h 35m2 stops
$404Southwest
Find Deal
Mon, May 19 - Sat, May 31
5:20 pm - 9:23 pmSAT-PDX
6h 03m1 stop
1:43 am - 9:20 amPDX-SAT
5h 37m1 stop
$417American Airlines
Find Deal
Mon, Aug 4 - Thu, Aug 7

Spirit Airlines flights from San Antonio to Portland

Our best Spirit Airlines deals on San Antonio to Portland flight tickets
Spirit Airlines
Apr 23
SAT7:25 pmSan Antonio
20h 12m
1 stop
PDX1:37 pmPortland
Apr 29
PDX7:01 pmPortland
20h 25m
1 stop
SAT5:26 pmSan Antonio
Spirit Airlines
May 2
SAT5:39 amSan Antonio
14h 26m
1 stop
PDX6:05 pmPortland
May 3
PDX7:01 pmPortland
12h 31m
1 stop
SAT9:32 amSan Antonio
Spirit Airlines
Apr 21
SAT7:25 pmSan Antonio
24h 40m
1 stop
PDX6:05 pmPortland
Apr 26
PDX7:01 pmPortland
7h 33m
1 stop
SAT4:34 amSan Antonio

Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Apr 3
SAT2:18 pmSan Antonio
12h 19m
1 stop
PDX12:37 amPortland
Apr 10
PDX6:40 amPortland
10h 21m
1 stop
SAT7:01 pmSan Antonio
Frontier
Apr 1
SAT2:18 pmSan Antonio
12h 19m
1 stop
PDX12:37 amPortland
Apr 4
PDX9:27 pmPortland
19h 45m
1 stop
SAT7:12 pmSan Antonio
Frontier
Jul 5
SAT7:43 pmSan Antonio
6h 32m
1 stop
PDX12:15 amPortland
Jul 12
PDX6:35 amPortland
10h 07m
1 stop
SAT6:42 pmSan Antonio

See travel insights to Portland from

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

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 Portland?

The cheapest month to fly to Portland from San Antonio is in October. Flight prices, which tend to average around $324, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in October, then you should wait until September to fly from San Antonio, when ticket prices are also cheap, with an average price of $325.

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart on your flight to Portland is on a Saturday when prices can be found for as low as $366. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Sunday, with ticket prices averaging around $402.

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

The cheapest time of day to fly to Portland is at noon when flights can be purchased for as low as $366. In the afternoon is when there is more demand to fly to Portland, so prices are often more expensive at around $404 per ticket.

How far in advance should I book a flight to Portland?

You are more likely to see cheaper flights to Portland from San Antonio when booking 3 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $369 when searching 3 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from San Antonio for as low as $310 on momondo.

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

As of March 2025, prices for San Antonio to Portland flights are approximately 59% more expensive when compared to flights at the same time last year.

When to book flights from San Antonio to Portland

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

Cheap San Antonio to Portland (SAT to PDX) flight deals and tips

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

Best Price Found

$74

Fastest flight time

6h 03m

Direct flights

None

Airports in Portland

1 airport
The best one-way flight to Portland from San Antonio in the past 72 hours is $74. The best round-trip flight deal from San Antonio to Portland found on momondo in the last 72 hours is $146.
The fastest flight from San Antonio to Portland takes 6h 03m
There are no direct flights from San Antonio to Portland. Popular non-direct route for this connection is San Antonio Airport - Portland Airport.
There is 1 airport near Portland: Portland (PDX)

  • How far is San Antonio to Portland by plane?

    Portland is 1717.5 mi away from San Antonio. Typically, this will take 6h 03m by plane in normal conditions.

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

    Prices for flights from San Antonio Airport to Portland Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Portland Airport.

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

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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


Best airlines flying from San Antonio to Portland

Compare and see reviews for airlines that fly from San Antonio to Portland with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $117Free CancellationRating
6.3
7,879 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
6.0
3,271 reviews
Search Frontier flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $277Free CancellationRating
8.0
9,797 reviews
Search Alaska Airlines flights
DeltaPriceFrom $279Free CancellationRating
8.0
7,898 reviews
Search Delta flights
United AirlinesPriceFrom $316Free CancellationRating
7.4
8,604 reviews
Search United Airlines flights
SouthwestPriceFrom $356Free CancellationRating
8.0
4,274 reviews
Search Southwest flights
  • Southwest Flights From San Antonio to Portland

    Southwest operates around 3 flights from San Antonio to Portland every week. The average price of these flights found in the last 72 hours has been $435, but momondo users have found Southwest deals from San Antonio to Portland from as low as $356 round-trip. Southwest has been scored 8.0/10 in 4,274 reviews.


Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Salem
Vancouver
Astoria
Long Beach
Depoe Bay
Beaverton
Hood River
Hillsboro
Rockaway Beach
Gresham
McMinnville
Tigard
Longview
Pacific City
The Dalles
Clackamas
Troutdale

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for San Antonio to Portland flights to just show those with flexible booking policies.

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

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

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

Yes momondo offers price alerts on flights to Portland from San Antonio. 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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