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Cheap flights from San Antonio to Portland from $77

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 10/3. 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

Frontier Logo
2:08 pm - 6:32 pmSAT-PDX
6h 24m1 stop
Frontier Logo
6:05 am - 7:15 pmPDX-SAT
11h 10m1 stop
$161Frontier
Find Deal
Thu, Oct 2 - Mon, Oct 6
Frontier Logo
3:12 pm - 12:56 pmSAT-PDX
23h 44m1 stop
Frontier Logo
12:52 pm - 7:30 pmPDX-SAT
28h 38m1 stop
$167Frontier
Find Deal
Sat, Nov 1 - Sat, Nov 8
Frontier Logo
10:46 pm - 6:44 pmSAT-PDX
21h 58m1 stop
Frontier Logo
3:26 pm - 7:30 pmPDX-SAT
26h 04m1 stop
$168Frontier
Find Deal
Thu, Nov 6 - Sun, Nov 9
Multiple Airlines Logo
3:12 pm - 11:56 amSAT-PDX
22h 44m1 stop
Multiple Airlines Logo
1:21 pm - 2:07 pmPDX-SAT
22h 46m1 stop
$232Multiple Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
Multiple Airlines Logo
3:12 pm - 11:56 amSAT-PDX
22h 44m1 stop
Multiple Airlines Logo
3:26 pm - 2:07 pmPDX-SAT
20h 41m2 stops
$234Multiple Airlines
Find Deal
Sat, Nov 15 - Mon, Nov 17
Delta Logo
6:00 am - 4:45 pmSAT-PDX
12h 45m2 stops
Delta Logo
7:59 pm - 9:55 amPDX-SAT
11h 56m2 stops
$248Delta
Find Deal
Sat, Oct 18 - Sun, Oct 26
American Airlines Logo
12:55 pm - 9:23 pmSAT-PDX
10h 28m1 stop
American Airlines Logo
5:30 am - 5:00 pmPDX-SAT
9h 30m1 stop
$283American Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
Delta Logo
2:43 pm - 10:40 pmSAT-PDX
9h 57m2 stops
Delta Logo
12:32 am - 11:55 amPDX-SAT
9h 23m1 stop
$291Delta
Find Deal
Wed, Dec 10 - Tue, Dec 16
American Airlines Logo
3:00 pm - 11:23 pmSAT-PDX
10h 23m1 stop
American Airlines Logo
5:30 am - 3:35 pmPDX-SAT
8h 05m1 stop
$295American Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
United Airlines Logo
9:45 am - 5:52 pmSAT-PDX
10h 07m2 stops
United Airlines Logo
1:15 pm - 9:20 pmPDX-SAT
6h 05m1 stop
$308United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19

Delta flights from San Antonio to Portland

Our best Delta deals on San Antonio to Portland flight tickets
Delta
Oct 18
SAT6:00 amSan Antonio
12h 45m
2 stops
PDX4:45 pmPortland
Oct 26
PDX7:59 pmPortland
11h 56m
2 stops
SAT9:55 amSan Antonio
$248
Find similar
Delta
Dec 10
SAT2:43 pmSan Antonio
9h 57m
2 stops
PDX10:40 pmPortland
Dec 16
PDX12:32 amPortland
9h 23m
1 stop
SAT11:55 amSan Antonio
$291
Find similar
Delta
Dec 2
SAT4:57 pmSan Antonio
9h 19m
2 stops
PDX12:16 amPortland
Dec 6
PDX5:14 amPortland
17h 26m
2 stops
SAT12:40 amSan Antonio
$294
Find similar

Frontier flights from San Antonio to Portland

Our best Frontier deals on San Antonio to Portland flight tickets
Frontier
Oct 2
SAT2:08 pmSan Antonio
6h 24m
1 stop
PDX6:32 pmPortland
Oct 6
PDX6:05 amPortland
11h 10m
1 stop
SAT7:15 pmSan Antonio
$161
Find similar
Frontier
Nov 1
SAT3:12 pmSan Antonio
23h 44m
1 stop
PDX12:56 pmPortland
Nov 8
PDX12:52 pmPortland
28h 38m
1 stop
SAT7:30 pmSan Antonio
$167
Find similar
Frontier
Nov 6
SAT10:46 pmSan Antonio
21h 58m
1 stop
PDX6:44 pmPortland
Nov 9
PDX3:26 pmPortland
26h 04m
1 stop
SAT7:30 pmSan Antonio
$168
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 September 17, 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 10/2

2:08 pm-6:32 pm

1 stop6h 24m

Portland

Mon 10/6

6:05 am-7:15 pm

1 stop11h 10m

$161

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 11/1

3:12 pm-12:56 pm

1 stop23h 44m

Portland

Sat 11/8

12:52 pm-7:30 pm

1 stop28h 38m

$167

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 11/6

10:46 pm-6:44 pm

1 stop21h 58m

Portland

Sun 11/9

3:26 pm-7:30 pm

1 stop26h 04m

$168

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 11/15

3:12 pm-11:56 am

1 stop22h 44m

Portland

Mon 11/17

1:21 pm-2:07 pm

1 stop22h 46m

$232

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 11/15

3:12 pm-11:56 am

1 stop22h 44m

Portland

Mon 11/17

3:26 pm-2:07 pm

2 stops20h 41m

$234

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 10/18

6:00 am-4:45 pm

2 stops12h 45m

Portland

Sun 10/26

7:59 pm-9:55 am

2 stops11h 56m

$248

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 11/15

12:55 pm-9:23 pm

1 stop10h 28m

Portland

Wed 11/19

5:30 am-5:00 pm

1 stop9h 30m

$283

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 12/10

2:43 pm-10:40 pm

2 stops9h 57m

Portland

Tue 12/16

12:32 am-11:55 am

1 stop9h 23m

$291

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Wed 12/10

3:00 pm-11:23 pm

1 stop10h 23m

Portland

Wed 12/17

5:30 am-3:35 pm

1 stop8h 05m

$295

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Sat 11/15

9:45 am-5:52 pm

2 stops10h 07m

Portland

Wed 11/19

1:15 pm-9:20 pm

1 stop6h 05m

$308

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 $302.

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 $369 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 $330 on momondo.

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

As of September 2025, prices for San Antonio to Portland flights are approximately 134% 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 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
FrontierPriceFrom $120Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $147Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Alaska AirlinesPriceFrom $277Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $286Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $304Free CancellationRating
7.4
8,926 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
Tigard
The Dalles
Pacific City
Tillamook
Manzanita

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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