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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 12/25. 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.
Delta Logo
3:00 pm - 10:19 pmSAT-PDX
9h 19m1 stop
Delta Logo
12:45 pm - 11:49 pmPDX-SAT
9h 04m1 stop
$179Delta
Find Deal
Wed, Dec 10 - Wed, Dec 17
Delta Logo
4:59 pm - 10:56 pmSAT-PDX
7h 57m1 stop
Delta Logo
12:32 am - 11:56 amPDX-SAT
9h 24m1 stop
$190Delta
Find Deal
Wed, Dec 3 - Wed, Dec 10
Multiple Airlines Logo
6:22 pm - 8:04 amSAT-PDX
15h 42m1 stop
Multiple Airlines Logo
5:15 pm - 1:17 pmPDX-SAT
18h 02m1 stop
$195Multiple Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 1
American Airlines Logo
2:31 pm - 8:50 pmSAT-PDX
8h 19m1 stop
American Airlines Logo
11:59 pm - 8:22 amPDX-SAT
6h 23m1 stop
$201American Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Frontier Logo
6:45 am - 11:43 amSAT-PDX
6h 58m1 stop
Frontier Logo
8:45 pm - 9:08 pmPDX-SAT
22h 23m1 stop
$203Frontier
Find Deal
Thu, Jan 1 - Mon, Jan 5
Frontier Logo
9:25 pm - 9:34 amSAT-PDX
38h 09m2 stops
Frontier Logo
12:47 pm - 11:21 amPDX-SAT
20h 34m1 stop
$212Frontier
Find Deal
Fri, Dec 12 - Sun, Jan 4
Southwest Logo
6:30 pm - 10:35 pmSAT-PDX
6h 05m1 stop
Southwest Logo
5:30 am - 1:50 pmPDX-SAT
6h 20m1 stop
$233Southwest
Find Deal
Wed, Dec 10 - Wed, Dec 17
Southwest Logo
7:40 am - 1:55 pmSAT-PDX
8h 15m2 stops
Southwest Logo
5:30 am - 1:50 pmPDX-SAT
6h 20m1 stop
$262Southwest
Find Deal
Wed, Dec 10 - Wed, Dec 17
American Airlines Logo
3:33 pm - 11:11 pmSAT-PDX
9h 38m1 stop
American Airlines Logo
6:00 am - 2:30 pmPDX-SAT
6h 30m1 stop
$266American Airlines
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Thu, Feb 12 - Sun, Feb 15
United Airlines Logo
4:14 pm - 12:37 amSAT-PDX
10h 23m2 stops
United Airlines Logo
5:00 am - 1:06 pmPDX-SAT
6h 06m1 stop
$281United Airlines
Find Deal
Thu, Dec 11 - Mon, Dec 15

Delta flights from San Antonio to Portland

Our best Delta deals on San Antonio to Portland flight tickets
Delta
Dec 10
SAT3:00 pmSan Antonio
9h 19m
1 stop
PDX10:19 pmPortland
Dec 17
PDX12:45 pmPortland
9h 04m
1 stop
SAT11:49 pmSan Antonio
$179
Find similar
Delta
Dec 3
SAT4:59 pmSan Antonio
7h 57m
1 stop
PDX10:56 pmPortland
Dec 10
PDX12:32 amPortland
9h 24m
1 stop
SAT11:56 amSan Antonio
$190
Find similar
Delta
Dec 11
SAT2:40 pmSan Antonio
8h 12m
1 stop
PDX8:52 pmPortland
Dec 13
PDX12:32 amPortland
9h 24m
1 stop
SAT11:56 amSan Antonio
$223
Find similar

Southwest flights from San Antonio to Portland

Our best Southwest deals on San Antonio to Portland flight tickets
Southwest
Dec 10
SAT6:30 pmSan Antonio
6h 05m
1 stop
PDX10:35 pmPortland
Dec 17
PDX5:30 amPortland
6h 20m
1 stop
SAT1:50 pmSan Antonio
$233
Find similar
Southwest
Dec 10
SAT7:40 amSan Antonio
8h 15m
2 stops
PDX1:55 pmPortland
Dec 17
PDX5:30 amPortland
6h 20m
1 stop
SAT1:50 pmSan Antonio
$262
Find similar
Southwest
Dec 10
SAT7:40 amSan Antonio
8h 15m
2 stops
PDX1:55 pmPortland
Dec 17
PDX11:30 amPortland
8h 15m
2 stops
SAT9:45 pmSan Antonio
$308
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 October 24, 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

Wed 12/10

3:00 pm-10:19 pm

1 stop9h 19m

Portland

Wed 12/17

12:45 pm-11:49 pm

1 stop9h 04m

$179

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 12/3

4:59 pm-10:56 pm

1 stop7h 57m

Portland

Wed 12/10

12:32 am-11:56 am

1 stop9h 24m

$190

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 11/24

6:22 pm-8:04 am

1 stop15h 42m

Portland

Mon 12/1

5:15 pm-1:17 pm

1 stop18h 02m

$195

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 12/4

2:31 pm-8:50 pm

1 stop8h 19m

Portland

Mon 12/8

11:59 pm-8:22 am

1 stop6h 23m

$201

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 1/1

6:45 am-11:43 am

1 stop6h 58m

Portland

Mon 1/5

8:45 pm-9:08 pm

1 stop22h 23m

$203

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Fri 12/12

9:25 pm-9:34 am

2 stops38h 09m

Portland

Sun 1/4

12:47 pm-11:21 am

1 stop20h 34m

$212

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 12/10

6:30 pm-10:35 pm

1 stop6h 05m

Portland

Wed 12/17

5:30 am-1:50 pm

1 stop6h 20m

$233

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 12/10

7:40 am-1:55 pm

2 stops8h 15m

Portland

Wed 12/17

5:30 am-1:50 pm

1 stop6h 20m

$262

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 2/12

3:33 pm-11:11 pm

1 stop9h 38m

Portland

Sun 2/15

6:00 am-2:30 pm

1 stop6h 30m

$266

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 12/11

4:14 pm-12:37 am

2 stops10h 23m

Portland

Mon 12/15

5:00 am-1:06 pm

1 stop6h 06m

$281

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 May. Flight prices, which tend to average around $300, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in May, then you should wait until September to fly from San Antonio, when ticket prices are also cheap, with an average price of $308.

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 $370 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 $335 on momondo.

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

As of October 2025, prices for San Antonio to Portland flights are approximately 8% 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

Direct flights

None
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
FrontierPriceFrom $120Free CancellationRating
5.8
3,128 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $147Free CancellationRating
6.3
8,104 reviews
Search Spirit Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.9
7,983 reviews
Search Delta flights
Alaska AirlinesPriceFrom $277Free CancellationRating
8.0
11,165 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $283Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
8,994 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
Gresham
McMinnville
Longview
The Dalles
Tigard
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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