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Cheap flights from San Antonio to Portland from $84

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 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Frontier Logo
1:15 pm - 11:18 am
SAT
-
PDX
24h 03m1 stop
Frontier Logo
11:09 am - 12:25 pm
PDX
-
SAT
23h 16m1 stop
$149Frontier
Sun, Jan 25 - Sun, Feb 1
American Airlines Logo
3:07 pm - 10:11 pm
SAT
-
PDX
9h 04m1 stop
American Airlines Logo
2:13 pm - 10:58 pm
PDX
-
SAT
6h 45m1 stop
$190American Airlines
Mon, Jan 12 - Tue, Jan 20
American Airlines Logo
6:00 am - 1:41 pm
SAT
-
PDX
9h 41m1 stop
American Airlines Logo
8:29 am - 8:04 pm
PDX
-
SAT
9h 35m1 stop
$199American Airlines
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
6:15 am - 11:45 am
SAT
-
PDX
7h 30m1 stop
American Airlines Logo
8:29 am - 11:09 pm
PDX
-
SAT
12h 40m1 stop
$206American Airlines
Thu, Jan 15 - Mon, Jan 19
Alaska Airlines Logo
6:06 pm - 10:41 pm
SAT
-
PDX
6h 35m1 stop
Alaska Airlines Logo
8:30 am - 5:10 pm
PDX
-
SAT
6h 40m1 stop
$212Alaska Airlines
Mon, Feb 23 - Sat, Feb 28
American Airlines Logo
6:00 am - 1:41 pm
SAT
-
PDX
9h 41m1 stop
American Airlines Logo
5:25 am - 12:47 pm
PDX
-
SAT
5h 22m1 stop
$213American Airlines
Fri, Jan 9 - Tue, Jan 13
American Airlines Logo
6:14 am - 1:41 pm
SAT
-
PDX
9h 27m2 stops
American Airlines Logo
6:00 am - 4:45 pm
PDX
-
SAT
8h 45m1 stop
$216American Airlines
Sat, Feb 7 - Tue, Feb 10
Southwest Logo
6:55 am - 1:35 pm
SAT
-
PDX
8h 40m2 stops
Southwest Logo
6:00 am - 10:50 pm
PDX
-
SAT
14h 50m1 stop
$218Southwest
Tue, Jan 13 - Sat, Jan 17
Frontier Logo
1:15 pm - 11:18 am
SAT
-
PDX
24h 03m1 stop
Frontier Logo
11:09 am - 7:33 pm
PDX
-
SAT
30h 24m2 stops
$226Frontier
Sun, Jan 25 - Sun, Feb 1
Delta Logo
7:35 am - 12:32 pm
SAT
-
PDX
6h 57m1 stop
Delta Logo
5:50 am - 1:48 pm
PDX
-
SAT
5h 58m1 stop
$231Delta
Wed, Jan 14 - Sun, Jan 18

Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Jan 25
SAT1:15 pmSan Antonio
24h 03m
1 stop
PDX11:18 amPortland
Feb 1
PDX11:09 amPortland
23h 16m
1 stop
SAT12:25 pmSan Antonio
$149
Find similar
Frontier
Jan 25
SAT1:15 pmSan Antonio
24h 03m
1 stop
PDX11:18 amPortland
Feb 1
PDX11:09 amPortland
30h 24m
2 stops
SAT7:33 pmSan Antonio
$226
Find similar
Frontier
Dec 11
SAT7:56 pmSan Antonio
18h 00m
1 stop
PDX11:56 amPortland
Dec 18
PDX12:47 pmPortland
9h 30m
1 stop
SAT12:17 amSan Antonio
$237
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
SAT3:07 pmSan Antonio
9h 04m
1 stop
PDX10:11 pmPortland
Jan 20
PDX2:13 pmPortland
6h 45m
1 stop
SAT10:58 pmSan Antonio
$190
Find similar
American Airlines
Jan 22
SAT6:00 amSan Antonio
9h 41m
1 stop
PDX1:41 pmPortland
Jan 26
PDX8:29 amPortland
9h 35m
1 stop
SAT8:04 pmSan Antonio
$199
Find similar
American Airlines
Jan 15
SAT6:15 amSan Antonio
7h 30m
1 stop
PDX11:45 amPortland
Jan 19
PDX8:29 amPortland
12h 40m
1 stop
SAT11:09 pmSan Antonio
$206
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 4, 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

Sun 1/25

1:15 pm-11:18 am

1 stop24h 03m

Portland

Sun 2/1

11:09 am-12:25 pm

1 stop23h 16m

$149

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 1/12

3:07 pm-10:11 pm

1 stop9h 04m

Portland

Tue 1/20

2:13 pm-10:58 pm

1 stop6h 45m

$190

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 1/22

6:00 am-1:41 pm

1 stop9h 41m

Portland

Mon 1/26

8:29 am-8:04 pm

1 stop9h 35m

$199

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 1/15

6:15 am-11:45 am

1 stop7h 30m

Portland

Mon 1/19

8:29 am-11:09 pm

1 stop12h 40m

$206

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 2/23

6:06 pm-10:41 pm

1 stop6h 35m

Portland

Sat 2/28

8:30 am-5:10 pm

1 stop6h 40m

$212

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Fri 1/9

6:00 am-1:41 pm

1 stop9h 41m

Portland

Tue 1/13

5:25 am-12:47 pm

1 stop5h 22m

$213

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 2/7

6:14 am-1:41 pm

2 stops9h 27m

Portland

Tue 2/10

6:00 am-4:45 pm

1 stop8h 45m

$216

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Tue 1/13

6:55 am-1:35 pm

2 stops8h 40m

Portland

Sat 1/17

6:00 am-10:50 pm

1 stop14h 50m

$218

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sun 1/25

1:15 pm-11:18 am

1 stop24h 03m

Portland

Sun 2/1

11:09 am-7:33 pm

2 stops30h 24m

$226

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 1/14

7:35 am-12:32 pm

1 stop6h 57m

Portland

Sun 1/18

5:50 am-1:48 pm

1 stop5h 58m

$231

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 $372 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 $328 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 21% 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 10m

Direct flights

None
The fastest flight from San Antonio to Portland takes 6h 10m
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 05m 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
8,158 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
5.8
3,092 reviews
Search Frontier flights
DeltaPriceFrom $257Free CancellationRating
7.9
8,009 reviews
Search Delta flights
Alaska AirlinesPriceFrom $277Free CancellationRating
8.0
11,399 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $278Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
9,066 reviews
Search United 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.

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