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Cheap flights from San Antonio to Portland from $86

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 10/13. 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

Frontier Logo
9:33 pm - 6:27 pmSAT-PDX
22h 54m1 stop
Frontier Logo
6:05 am - 7:15 pmPDX-SAT
11h 10m1 stop
$164Frontier
Find Deal
jue., sep. 4 - lun., sep. 8
Frontier Logo
8:20 pm - 12:12 amSAT-PDX
5h 52m1 stop
Frontier Logo
6:05 am - 7:15 pmPDX-SAT
11h 10m1 stop
$168Frontier
Find Deal
lun., sep. 8 - vie., sep. 12
Frontier Logo
12:09 pm - 11:48 amSAT-PDX
25h 39m1 stop
Frontier Logo
12:43 pm - 3:14 pmPDX-SAT
24h 31m1 stop
$174Frontier
Find Deal
jue., oct. 16 - lun., oct. 20
Logo
8:20 pm - 12:12 amSAT-PDX
5h 52m1 stop
Logo
12:07 pm - 8:52 pmPDX-SAT
6h 45m1 stop
$188
Find Deal
dom., sep. 7 - mié., sep. 10
Logo
9:33 pm - 6:27 pmSAT-PDX
22h 54m1 stop
Logo
12:07 pm - 8:52 pmPDX-SAT
6h 45m1 stop
$189
Find Deal
jue., sep. 18 - mar., sep. 23
Frontier Logo
9:33 pm - 10:33 amSAT-PDX
15h 00m2 stops
Frontier Logo
6:05 am - 7:15 pmPDX-SAT
11h 10m1 stop
$190Frontier
Find Deal
jue., sep. 4 - lun., sep. 8
Frontier Logo
3:22 pm - 10:34 pmSAT-PDX
9h 12m1 stop
Frontier Logo
7:15 am - 9:10 amPDX-SAT
23h 55m1 stop
$191Frontier
Find Deal
sáb., sep. 20 - sáb., sep. 27
Spirit Airlines Logo
9:47 pm - 11:11 amSAT-PDX
15h 24m1 stop
Spirit Airlines Logo
8:36 pm - 4:47 amPDX-SAT
6h 11m1 stop
$214Spirit Airlines
Find Deal
lun., sep. 15 - mié., oct. 15
Spirit Airlines Logo
6:00 am - 6:47 pmSAT-PDX
14h 47m1 stop
Spirit Airlines Logo
7:42 pm - 4:47 amPDX-SAT
7h 05m1 stop
$219Spirit Airlines
Find Deal
jue., oct. 30 - dom., nov. 2
American Airlines Logo
3:35 pm - 8:58 pmSAT-PDX
7h 23m1 stop
American Airlines Logo
12:15 pm - 10:54 pmPDX-SAT
8h 39m1 stop
$251American Airlines
Find Deal
mié., dic. 10 - mié., dic. 17

Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Sep 4
SAT9:33 pmSan Antonio
22h 54m
1 stop
PDX6:27 pmPortland
Sep 8
PDX6:05 amPortland
11h 10m
1 stop
SAT7:15 pmSan Antonio
$164
Find similar
Frontier
Sep 8
SAT8:20 pmSan Antonio
5h 52m
1 stop
PDX12:12 amPortland
Sep 12
PDX6:05 amPortland
11h 10m
1 stop
SAT7:15 pmSan Antonio
$168
Find similar
Frontier
Oct 16
SAT12:09 pmSan Antonio
25h 39m
1 stop
PDX11:48 amPortland
Oct 20
PDX12:43 pmPortland
24h 31m
1 stop
SAT3:14 pmSan Antonio
$174
Find similar

Spirit Airlines flights from San Antonio to Portland

Our best Spirit Airlines deals on San Antonio to Portland flight tickets
Spirit Airlines
Sep 15
SAT9:47 pmSan Antonio
15h 24m
1 stop
PDX11:11 amPortland
Oct 15
PDX8:36 pmPortland
6h 11m
1 stop
SAT4:47 amSan Antonio
$214
Find similar
Spirit Airlines
Oct 30
SAT6:00 amSan Antonio
14h 47m
1 stop
PDX6:47 pmPortland
Nov 2
PDX7:42 pmPortland
7h 05m
1 stop
SAT4:47 amSan Antonio
$219
Find similar
Spirit Airlines
Oct 15
SAT6:00 amSan Antonio
15h 36m
1 stop
PDX7:36 pmPortland
Oct 22
PDX8:36 pmPortland
6h 11m
1 stop
SAT4:47 amSan Antonio
$222
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 agosto 21, 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

jue. 9/4

9:33 pm-6:27 pm

1 stop22h 54m

Portland

lun. 9/8

6:05 am-7:15 pm

1 stop11h 10m

$164

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

lun. 9/8

8:20 pm-12:12 am

1 stop5h 52m

Portland

vie. 9/12

6:05 am-7:15 pm

1 stop11h 10m

$168

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

jue. 10/16

12:09 pm-11:48 am

1 stop25h 39m

Portland

lun. 10/20

12:43 pm-3:14 pm

1 stop24h 31m

$174

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

dom. 9/7

8:20 pm-12:12 am

1 stop5h 52m

Portland

mié. 9/10

12:07 pm-8:52 pm

1 stop6h 45m

$188

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

jue. 9/18

9:33 pm-6:27 pm

1 stop22h 54m

Portland

mar. 9/23

12:07 pm-8:52 pm

1 stop6h 45m

$189

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

jue. 9/4

9:33 pm-10:33 am

2 stops15h 00m

Portland

lun. 9/8

6:05 am-7:15 pm

1 stop11h 10m

$190

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

sáb. 9/20

3:22 pm-10:34 pm

1 stop9h 12m

Portland

sáb. 9/27

7:15 am-9:10 am

1 stop23h 55m

$191

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

lun. 9/15

9:47 pm-11:11 am

1 stop15h 24m

Portland

mié. 10/15

8:36 pm-4:47 am

1 stop6h 11m

$214

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

jue. 10/30

6:00 am-6:47 pm

1 stop14h 47m

Portland

dom. 11/2

7:42 pm-4:47 am

1 stop7h 05m

$219

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

mié. 12/10

3:35 pm-8:58 pm

1 stop7h 23m

Portland

mié. 12/17

12:15 pm-10:54 pm

1 stop8h 39m

$251

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 $288, 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 $367 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 $308 on momondo.

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

As of August 2025, prices for San Antonio to Portland flights are approximately 20% cheaper 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 5h 52m 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 $110Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
FrontierPriceFrom $120Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $264Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $277Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
8,930 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
Beaverton
Rockaway Beach
Hillsboro
Hood River
Gresham
McMinnville
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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