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Cheap flights from Washington to San Antonio from $80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to San Antonio departing on 9/26. 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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Cheap round-trip flights

Frontier Logo
6:05 am - 7:00 pmPDX-SAT
10h 55m1 stop
Frontier Logo
8:20 pm - 12:12 amSAT-PDX
5h 52m1 stop
$146Frontier
Find Deal
Fri, Sep 19 - Sun, Sep 21
Frontier Logo
7:22 pm - 1:16 pmPDX-SAT
15h 54m1 stop
Frontier Logo
8:20 pm - 12:12 amSAT-PDX
5h 52m1 stop
$164Frontier
Find Deal
Thu, Sep 11 - Mon, Sep 15
Logo
12:07 pm - 8:52 pmPDX-SAT
6h 45m1 stop
Logo
7:25 pm - 12:12 amSAT-PDX
6h 47m1 stop
$172
Find Deal
Tue, Sep 30 - Fri, Oct 3
Logo
12:07 pm - 1:23 pmPDX-SAT
23h 16m1 stop
Logo
9:33 pm - 11:11 amSAT-PDX
15h 38m1 stop
$173
Find Deal
Wed, Sep 24 - Sun, Sep 28
Delta Logo
5:30 am - 1:49 pmSEA-SAT
6h 19m1 stop
Delta Logo
12:40 pm - 6:36 pmSAT-SEA
7h 56m1 stop
$195Delta
Find Deal
Sat, Sep 6 - Sat, Sep 20
Spirit Airlines Logo
12:07 pm - 8:52 pmPDX-SAT
6h 45m1 stop
Spirit Airlines Logo
9:47 pm - 11:11 amSAT-PDX
15h 24m1 stop
$209Spirit Airlines
Find Deal
Wed, Sep 17 - Wed, Sep 24
Southwest Logo
10:55 pm - 8:55 amSEA-SAT
8h 00m1 stop
Southwest Logo
4:05 pm - 11:30 pmSAT-SEA
9h 25m1 stop
$217Southwest
Find Deal
Sun, Sep 7 - Sat, Sep 13
Spirit Airlines Logo
7:42 pm - 4:47 amPDX-SAT
7h 05m1 stop
Spirit Airlines Logo
6:23 pm - 9:36 pmSAT-PDX
29h 13m1 stop
$218Spirit Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 9
Southwest Logo
5:00 am - 3:20 pmSEA-SAT
8h 20m1 stop
Southwest Logo
11:45 am - 4:50 pmSAT-SEA
7h 05m1 stop
$221Southwest
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Fri, Sep 5 - Wed, Sep 10
Delta Logo
2:25 pm - 11:52 pmSEA-SAT
7h 27m1 stop
Delta Logo
6:00 am - 12:45 pmSAT-SEA
8h 45m1 stop
$246Delta
Find Deal
Wed, Sep 17 - Sun, Sep 21

Delta flights from State of Washington to San Antonio

Our best Delta deals on State of Washington to San Antonio flight tickets
Delta
Sep 6
SEA5:30 amSeattle/Tacoma Intl
6h 19m
1 stop
SAT1:49 pmSan Antonio
Sep 20
SAT12:40 pmSan Antonio
7h 56m
1 stop
SEA6:36 pmSeattle/Tacoma Intl
$195
Find similar
Delta
Aug 23
SEA5:30 amSeattle/Tacoma Intl
6h 09m
1 stop
SAT1:39 pmSan Antonio
Sep 20
SAT3:30 pmSan Antonio
8h 46m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$221
Find similar
Delta
Sep 17
SEA2:25 pmSeattle/Tacoma Intl
7h 27m
1 stop
SAT11:52 pmSan Antonio
Sep 21
SAT6:00 amSan Antonio
8h 45m
1 stop
SEA12:45 pmSeattle/Tacoma Intl
$246
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American Airlines flights from State of Washington to San Antonio

Our best American Airlines deals on State of Washington to San Antonio flight tickets
American Airlines
Aug 28
SEA12:58 amSeattle/Tacoma Intl
6h 18m
1 stop
SAT9:16 amSan Antonio
Sep 1
SAT5:00 amSan Antonio
7h 51m
1 stop
SEA10:51 amSeattle/Tacoma Intl
$247
Find similar
American Airlines
Oct 26
SEA11:20 pmSeattle/Tacoma Intl
7h 59m
1 stop
SAT9:19 amSan Antonio
Oct 29
SAT5:00 amSan Antonio
7h 52m
1 stop
SEA10:52 amSeattle/Tacoma Intl
$266
Find similar
American Airlines
Nov 19
SEA12:59 amSeattle/Tacoma Intl
9h 04m
1 stop
SAT12:03 pmSan Antonio
Nov 23
SAT8:21 pmSan Antonio
6h 37m
1 stop
SEA12:58 amSeattle/Tacoma Intl
$276
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momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to San Antonio 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 August 18, 2025.
Use the filters below to find and compare flights from Washington to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Fri 9/19

6:05 am-7:00 pm

1 stop10h 55m

San Antonio

Sun 9/21

8:20 pm-12:12 am

1 stop5h 52m

$146

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 9/11

7:22 pm-1:16 pm

1 stop15h 54m

San Antonio

Mon 9/15

8:20 pm-12:12 am

1 stop5h 52m

$164

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Tue 9/30

12:07 pm-8:52 pm

1 stop6h 45m

San Antonio

Fri 10/3

7:25 pm-12:12 am

1 stop6h 47m

$172

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Wed 9/24

12:07 pm-1:23 pm

1 stop23h 16m

San Antonio

Sun 9/28

9:33 pm-11:11 am

1 stop15h 38m

$173

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Sat 9/6

5:30 am-1:49 pm

1 stop6h 19m

San Antonio

Sat 9/20

12:40 pm-6:36 pm

1 stop7h 56m

$195

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Wed 9/17

12:07 pm-8:52 pm

1 stop6h 45m

San Antonio

Wed 9/24

9:47 pm-11:11 am

1 stop15h 24m

$209

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Sun 9/7

10:55 pm-8:55 am

1 stop8h 00m

San Antonio

Sat 9/13

4:05 pm-11:30 pm

1 stop9h 25m

$217

PortlandSan Antonio

PDX - SAT

PDXSAT

Portland

Thu 10/30

7:42 pm-4:47 am

1 stop7h 05m

San Antonio

Sun 11/9

6:23 pm-9:36 pm

1 stop29h 13m

$218

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Fri 9/5

5:00 am-3:20 pm

1 stop8h 20m

San Antonio

Wed 9/10

11:45 am-4:50 pm

1 stop7h 05m

$221

SeattleSan Antonio

SEA - SAT

SEASAT

Seattle/Tacoma Intl

Wed 9/17

2:25 pm-11:52 pm

1 stop7h 27m

San Antonio

Sun 9/21

6:00 am-12:45 pm

1 stop8h 45m

$246

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 San Antonio from

How to get the cheapest flight ticket from State of Washington to San Antonio

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 San Antonio?

If you aren’t able to travel during the month of January, then book flights to San Antonio from State of Washington during August instead. Flights to San Antonio in August, while not as cheap as those in January, still average around $282.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $379. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $474.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from State of Washington to San Antonio at noon for as low as $305. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the morning, with an average ticket price of $442. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington to San Antonio flight route?

Fly from Seattle/Tacoma Intl to San Antonio for the best Washington - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $355 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from State of Washington for as low as $279 on momondo.

What cabin class options are available on Washington to San Antonio flights?

There are 4 cabin classes available to choose from on Washington to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap State of Washington to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to San Antonio

Best Price Found

$80

Fastest flight time

4h 03m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from State of Washington in the past 72 hours is $80. The best round-trip flight deal from State of Washington to San Antonio found on momondo in the last 72 hours is $146.
The fastest flight from State of Washington to San Antonio takes 4h 03m
Direct flights go from State of Washington to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • When did momondo last update prices for flights from Washington to San Antonio Airport?

    Prices for flights from Washington to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Washington to San Antonio Airport?

  • How old do you have to be to fly from Washington to San Antonio 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 Washington to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from State of Washington to San Antonio?

Best airlines flying from State of Washington to San Antonio

Compare and see reviews for airlines that fly from State of Washington to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $107Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
FrontierPriceFrom $129Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
DeltaPriceFrom $176Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $196Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $215Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $217Free CancellationRating
7.8
2,664 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Washington to San Antonio?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to San Antonio. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to San Antonio with flexible booking policies on momondo?

All flight searches from Washington to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to San Antonio?

Once all potential Washington to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Washington and alert you when they change.

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