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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 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

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Find the cheapest flights from San Antonio to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:46 pm - 9:29 am
SAT
-
PDX
16h 43m1 stop
Alaska Airlines Logo
9:10 am - 5:45 pm
PDX
-
SAT
6h 35m1 stop
$264Alaska Airlines
Tue, Jan 20 - Tue, Jan 27
Delta Logo
1:03 pm - 8:59 pm
SAT
-
PDX
9h 56m2 stops
Delta Logo
11:10 am - 11:43 pm
PDX
-
SAT
10h 33m2 stops
$274Delta
Mon, Feb 2 - Wed, Feb 11
Multiple Airlines Logo
4:06 pm - 11:04 am
SAT
-
PDX
20h 58m1 stop
Multiple Airlines Logo
6:19 pm - 11:52 pm
PDX
-
SAT
27h 33m2 stops
$280Multiple Airlines
Thu, Jan 15 - Mon, Jan 19
Alaska Airlines Logo
6:46 pm - 8:47 pm
SAT
-
PDX
28h 01m1 stop
Alaska Airlines Logo
7:10 am - 5:45 pm
PDX
-
SAT
8h 35m1 stop
$284Alaska Airlines
Sat, Jan 17 - Sun, Feb 1
Delta Logo
7:35 am - 12:32 pm
SAT
-
PDX
6h 57m1 stop
Delta Logo
9:20 am - 11:43 pm
PDX
-
SAT
12h 23m2 stops
$287Delta
Sat, Jan 17 - Sun, Feb 1
Alaska Airlines Logo
6:46 pm - 12:38 pm
SAT
-
PDX
19h 52m1 stop
Alaska Airlines Logo
5:35 pm - 5:45 pm
PDX
-
SAT
22h 10m1 stop
$304Alaska Airlines
Fri, Jan 16 - Mon, Jan 19
Delta Logo
1:03 pm - 8:59 pm
SAT
-
PDX
9h 56m2 stops
Delta Logo
10:00 am - 5:25 pm
PDX
-
SAT
5h 25m1 stop
$310Delta
Mon, Jan 12 - Wed, Jan 14
Multiple Airlines Logo
6:45 am - 6:56 pm
SAT
-
PDX
14h 11m2 stops
Multiple Airlines Logo
7:46 pm - 9:23 am
PDX
-
SAT
11h 37m1 stop
$313Multiple Airlines
Thu, Apr 9 - Sun, Apr 12
Delta Logo
1:03 pm - 8:59 pm
SAT
-
PDX
9h 56m2 stops
Delta Logo
9:20 am - 9:28 pm
PDX
-
SAT
10h 08m2 stops
$314Delta
Mon, Jan 12 - Wed, Jan 14
American Airlines Logo
5:00 am - 11:45 am
SAT
-
PDX
8h 45m1 stop
American Airlines Logo
6:00 am - 8:50 pm
PDX
-
SAT
12h 50m1 stop
$320American Airlines
Mon, Jan 12 - Wed, Jan 14

Delta flights from San Antonio to Portland

Our best Delta deals on San Antonio to Portland flight tickets
Delta
Feb 2
SAT1:03 pmSan Antonio
9h 56m
2 stops
PDX8:59 pmPortland
Feb 11
PDX11:10 amPortland
10h 33m
2 stops
SAT11:43 pmSan Antonio
$274
Find similar
Delta
Jan 17
SAT7:35 amSan Antonio
6h 57m
1 stop
PDX12:32 pmPortland
Feb 1
PDX9:20 amPortland
12h 23m
2 stops
SAT11:43 pmSan Antonio
$287
Find similar
Delta
Jan 12
SAT1:03 pmSan Antonio
9h 56m
2 stops
PDX8:59 pmPortland
Jan 14
PDX10:00 amPortland
5h 25m
1 stop
SAT5:25 pmSan Antonio
$310
Find similar

American Airlines flights from San Antonio to Portland

Our best American Airlines deals on San Antonio to Portland flight tickets
American Airlines
Jan 12
SAT5:00 amSan Antonio
8h 45m
1 stop
PDX11:45 amPortland
Jan 14
PDX6:00 amPortland
12h 50m
1 stop
SAT8:50 pmSan Antonio
$320
Find similar
American Airlines
Feb 2
SAT1:08 pmSan Antonio
7h 43m
1 stop
PDX6:51 pmPortland
Feb 11
PDX6:00 amPortland
7h 45m
1 stop
SAT3:45 pmSan Antonio
$322
Find similar
American Airlines
Jan 16
SAT7:00 pmSan Antonio
6h 32m
1 stop
PDX11:32 pmPortland
Jan 19
PDX11:59 pmPortland
12h 17m
1 stop
SAT2:16 pmSan Antonio
$328
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 23, 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

Tue 1/20

6:46 pm-9:29 am

1 stop16h 43m

Portland

Tue 1/27

9:10 am-5:45 pm

1 stop6h 35m

$264

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 2/2

1:03 pm-8:59 pm

2 stops9h 56m

Portland

Wed 2/11

11:10 am-11:43 pm

2 stops10h 33m

$274

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 1/15

4:06 pm-11:04 am

1 stop20h 58m

Portland

Mon 1/19

6:19 pm-11:52 pm

2 stops27h 33m

$280

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 1/17

6:46 pm-8:47 pm

1 stop28h 01m

Portland

Sun 2/1

7:10 am-5:45 pm

1 stop8h 35m

$284

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 1/17

7:35 am-12:32 pm

1 stop6h 57m

Portland

Sun 2/1

9:20 am-11:43 pm

2 stops12h 23m

$287

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Fri 1/16

6:46 pm-12:38 pm

1 stop19h 52m

Portland

Mon 1/19

5:35 pm-5:45 pm

1 stop22h 10m

$304

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 1/12

1:03 pm-8:59 pm

2 stops9h 56m

Portland

Wed 1/14

10:00 am-5:25 pm

1 stop5h 25m

$310

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 4/9

6:45 am-6:56 pm

2 stops14h 11m

Portland

Sun 4/12

7:46 pm-9:23 am

1 stop11h 37m

$313

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 1/12

1:03 pm-8:59 pm

2 stops9h 56m

Portland

Wed 1/14

9:20 am-9:28 pm

2 stops10h 08m

$314

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 1/12

5:00 am-11:45 am

1 stop8h 45m

Portland

Wed 1/14

6:00 am-8:50 pm

1 stop12h 50m

$320

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $373 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 17% 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 24m

Direct flights

None
The fastest flight from San Antonio to Portland takes 6h 24m
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 24m 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
8,194 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
5.8
3,073 reviews
Search Frontier flights
DeltaPriceFrom $268Free CancellationRating
7.9
8,015 reviews
Search Delta flights
SouthwestPriceFrom $278Free CancellationRating
8.0
4,256 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
9,109 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $338Free CancellationRating
8.0
11,517 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
Tigard
Longview
Pacific City
The Dalles
Manzanita
Clackamas

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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