Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Portland from $63

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 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Antonio to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:31 pm - 9:49 am
SAT
-
PDX
23h 18m2 stops
Frontier Logo
11:28 am - 12:25 pm
PDX
-
SAT
22h 57m1 stop
$235Frontier
Thu, Jan 22 - Thu, Jan 29
Frontier Logo
5:02 pm - 5:24 pm
SAT
-
PDX
26h 22m2 stops
Frontier Logo
11:28 am - 12:25 pm
PDX
-
SAT
22h 57m1 stop
$237Frontier
Sun, Jan 18 - Thu, Jan 29
Frontier Logo
12:31 pm - 9:49 am
SAT
-
PDX
23h 18m2 stops
Frontier Logo
11:09 am - 12:25 pm
PDX
-
SAT
23h 16m1 stop
$242Frontier
Thu, Jan 22 - Sun, Jan 25
Frontier Logo
8:24 pm - 10:14 am
SAT
-
PDX
39h 50m2 stops
Frontier Logo
11:28 am - 12:25 pm
PDX
-
SAT
22h 57m1 stop
$250Frontier
Fri, Jan 23 - Thu, Jan 29
Delta Logo
7:35 am - 12:32 pm
SAT
-
PDX
6h 57m1 stop
Delta Logo
5:30 am - 11:43 pm
PDX
-
SAT
16h 13m2 stops
$277Delta
Tue, Jan 20 - Thu, Jan 29
Delta Logo
6:30 am - 12:46 pm
SAT
-
PDX
8h 16m1 stop
Delta Logo
11:59 am - 10:28 pm
PDX
-
SAT
8h 29m1 stop
$284Delta
Sun, Jan 18 - Tue, Jan 27
Frontier Logo
8:25 pm - 11:09 am
SAT
-
PDX
16h 44m1 stop
Frontier Logo
12:04 pm - 12:17 am
PDX
-
SAT
10h 13m1 stop
$288Frontier
Thu, Mar 5 - Mon, Mar 9
Delta Logo
7:00 am - 6:50 pm
SAT
-
PDX
13h 50m2 stops
Delta Logo
1:30 pm - 12:41 am
PDX
-
SAT
9h 11m2 stops
$294Delta
Thu, Jan 22 - Tue, Jan 27
Frontier Logo
8:25 pm - 11:09 am
SAT
-
PDX
16h 44m1 stop
Frontier Logo
12:04 pm - 1:23 pm
PDX
-
SAT
23h 19m2 stops
$295Frontier
Thu, Mar 5 - Mon, Mar 9
Frontier Logo
12:31 pm - 9:49 am
SAT
-
PDX
23h 18m2 stops
Frontier Logo
11:09 am - 12:25 pm
PDX
-
SAT
23h 16m1 stop
$297Frontier
Thu, Jan 22 - Sun, Jan 25

Southwest flights from San Antonio to Portland

Our best Southwest deals on San Antonio to Portland flight tickets
Southwest
Dec 24
SAT5:40 pmSan Antonio
6h 20m
1 stop
PDX10:00 pmPortland
Dec 31
PDX2:35 pmPortland
5h 15m
1 stop
SAT9:50 pmSan Antonio
$381
Find similar
Southwest
Mar 5
SAT2:10 pmSan Antonio
11h 30m
2 stops
PDX11:40 pmPortland
Mar 9
PDX11:50 amPortland
10h 25m
2 stops
SAT12:15 amSan Antonio
$402
Find similar
Southwest
Apr 10
SAT7:10 amSan Antonio
9h 00m
2 stops
PDX2:10 pmPortland
Apr 13
PDX10:55 amPortland
6h 45m
1 stop
SAT7:40 pmSan Antonio
$442
Find similar

Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Apr 10
SAT6:45 amSan Antonio
7h 10m
1 stop
PDX11:55 amPortland
Apr 13
PDX12:55 pmPortland
9h 22m
1 stop
SAT12:17 amSan Antonio
$237
Find similar
Frontier
Mar 5
SAT8:25 pmSan Antonio
16h 44m
1 stop
PDX11:09 amPortland
Mar 9
PDX12:04 pmPortland
10h 13m
1 stop
SAT12:17 amSan Antonio
$288
Find similar
Frontier
Dec 14
SAT1:51 pmSan Antonio
20h 45m
1 stop
PDX8:36 amPortland
Dec 25
PDX12:47 pmPortland
9h 30m
1 stop
SAT12:17 amSan Antonio
$292
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from San Antonio to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 1/22

12:31 pm-9:49 am

2 stops23h 18m

Portland

Thu 1/29

11:28 am-12:25 pm

1 stop22h 57m

$235

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sun 1/18

5:02 pm-5:24 pm

2 stops26h 22m

Portland

Thu 1/29

11:28 am-12:25 pm

1 stop22h 57m

$237

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 1/22

12:31 pm-9:49 am

2 stops23h 18m

Portland

Sun 1/25

11:09 am-12:25 pm

1 stop23h 16m

$242

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Fri 1/23

8:24 pm-10:14 am

2 stops39h 50m

Portland

Thu 1/29

11:28 am-12:25 pm

1 stop22h 57m

$250

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Tue 1/20

7:35 am-12:32 pm

1 stop6h 57m

Portland

Thu 1/29

5:30 am-11:43 pm

2 stops16h 13m

$277

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sun 1/18

6:30 am-12:46 pm

1 stop8h 16m

Portland

Tue 1/27

11:59 am-10:28 pm

1 stop8h 29m

$284

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 3/5

8:25 pm-11:09 am

1 stop16h 44m

Portland

Mon 3/9

12:04 pm-12:17 am

1 stop10h 13m

$288

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 1/22

7:00 am-6:50 pm

2 stops13h 50m

Portland

Tue 1/27

1:30 pm-12:41 am

2 stops9h 11m

$294

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 3/5

8:25 pm-11:09 am

1 stop16h 44m

Portland

Mon 3/9

12:04 pm-1:23 pm

2 stops23h 19m

$295

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 1/22

12:31 pm-9:49 am

2 stops23h 18m

Portland

Sun 1/25

11:09 am-12:25 pm

1 stop23h 16m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September. Flight prices, which tend to average around $308, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in September, then you should wait until May to fly from San Antonio, when ticket prices are also cheap, with an average price of $314.

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 weeks ahead of your departure date. In general, you can expect to find flights to Portland for around $371 when searching 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 $326 on momondo.

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

As of December 2025, prices for San Antonio to Portland flights are approximately 14% 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

Fastest flight time

6h 07m

Direct flights

None
The fastest flight from San Antonio to Portland takes 6h 07m
There are no direct flights from San Antonio to Portland. There are no popular flight routes from San Antonio to Portland.
Search flight deals

  • How far is San Antonio to Portland by plane?

    Portland is 1717.5 mi away from San Antonio. Typically, this will take 6h 07m 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 $113Free CancellationRating
6.3
8,175 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
5.8
3,084 reviews
Search Frontier flights
DeltaPriceFrom $257Free CancellationRating
7.9
8,005 reviews
Search Delta flights
SouthwestPriceFrom $278Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $338Free CancellationRating
8.0
11,431 reviews
Search Alaska Airlines flights

Traveling to a place near Portland?

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

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.

An easier way to manage your Portland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/10
Sat 1/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States