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Cheap flights from San Antonio to Washington 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 Washington departing on 9/12. 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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Find the cheapest flights from San Antonio to Washington

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
Thu, Sep 4 - Mon, 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
$165Frontier
Find Deal
Mon, Sep 22 - Thu, Sep 25
Delta Logo
5:50 pm - 11:34 pmSAT-SEA
7h 44m1 stop
Delta Logo
11:05 pm - 11:18 amSEA-SAT
10h 13m1 stop
$195Delta
Find Deal
Wed, Nov 12 - Mon, Nov 17
Southwest Logo
5:40 pm - 9:45 pmSAT-SEA
6h 05m1 stop
Southwest Logo
6:35 am - 9:50 pmSEA-SAT
13h 15m2 stops
$206Southwest
Find Deal
Sat, Nov 1 - Tue, Nov 4
American Airlines Logo
12:44 pm - 4:53 pmSAT-SEA
6h 09m1 stop
American Airlines Logo
12:30 am - 9:19 amSEA-SAT
6h 49m1 stop
$217American Airlines
Find Deal
Sat, Sep 27 - Sun, Oct 5
Southwest Logo
6:40 am - 1:25 pmSAT-SEA
8h 45m1 stop
Southwest Logo
6:35 am - 9:50 pmSEA-SAT
13h 15m2 stops
$228Southwest
Find Deal
Fri, Dec 5 - Mon, Dec 8
Delta Logo
6:05 pm - 11:35 pmSAT-GEG
7h 30m1 stop
Delta Logo
2:35 pm - 11:52 pmGEG-SAT
7h 17m1 stop
$237Delta
Find Deal
Tue, Sep 16 - Wed, Sep 17
Alaska Airlines Logo
6:40 am - 12:37 pmSAT-GEG
7h 57m1 stop
Alaska Airlines Logo
5:54 pm - 6:56 pmGEG-SAT
23h 02m1 stop
$247Alaska Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Alaska Airlines Logo
6:51 pm - 9:21 pmSAT-SEA
4h 30mnonstop
Alaska Airlines Logo
11:01 pm - 5:00 amSEA-SAT
3h 59mnonstop
$247Alaska Airlines
Find Deal
Thu, Nov 20 - Wed, Nov 26
American Airlines Logo
6:55 pm - 11:32 pmSAT-PSC
6h 37m1 stop
American Airlines Logo
2:55 pm - 11:27 pmPSC-SAT
6h 32m1 stop
$259American Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27

Delta flights from San Antonio to State of Washington

Our best Delta deals on San Antonio to State of Washington flight tickets
Delta
Nov 12
SAT5:50 pmSan Antonio
7h 44m
1 stop
SEA11:34 pmSeattle/Tacoma Intl
Nov 17
SEA11:05 pmSeattle/Tacoma Intl
10h 13m
1 stop
SAT11:18 amSan Antonio
$195
Find similar
Delta
Sep 16
SAT6:05 pmSan Antonio
7h 30m
1 stop
GEG11:35 pmSpokane
Sep 17
GEG2:35 pmSpokane
7h 17m
1 stop
SAT11:52 pmSan Antonio
$237
Find similar
Delta
Nov 16
SAT6:30 amSan Antonio
10h 15m
1 stop
SEA2:45 pmSeattle/Tacoma Intl
Nov 22
SEA2:00 pmSeattle/Tacoma Intl
7h 21m
1 stop
SAT11:21 pmSan Antonio
$246
Find similar

American Airlines flights from San Antonio to State of Washington

Our best American Airlines deals on San Antonio to State of Washington flight tickets
American Airlines
Sep 27
SAT12:44 pmSan Antonio
6h 09m
1 stop
SEA4:53 pmSeattle/Tacoma Intl
Oct 5
SEA12:30 amSeattle/Tacoma Intl
6h 49m
1 stop
SAT9:19 amSan Antonio
$217
Find similar
American Airlines
Oct 24
SAT6:55 pmSan Antonio
6h 37m
1 stop
PSC11:32 pmPasco Tri Cities
Oct 27
PSC2:55 pmPasco Tri Cities
6h 32m
1 stop
SAT11:27 pmSan Antonio
$259
Find similar
American Airlines
Nov 12
SAT5:00 amSan Antonio
6h 49m
1 stop
SEA9:49 amSeattle/Tacoma Intl
Nov 15
SEA12:59 amSeattle/Tacoma Intl
6h 42m
1 stop
SAT9:41 amSan Antonio
$266
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to State of Washington 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 San Antonio to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Thu 9/4

9:33 pm-6:27 pm

1 stop22h 54m

Portland

Mon 9/8

6:05 am-7:15 pm

1 stop11h 10m

$164

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Mon 9/22

8:20 pm-12:12 am

1 stop5h 52m

Portland

Thu 9/25

6:05 am-7:15 pm

1 stop11h 10m

$165

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 11/12

5:50 pm-11:34 pm

1 stop7h 44m

Seattle/Tacoma Intl

Mon 11/17

11:05 pm-11:18 am

1 stop10h 13m

$195

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 11/1

5:40 pm-9:45 pm

1 stop6h 05m

Seattle/Tacoma Intl

Tue 11/4

6:35 am-9:50 pm

2 stops13h 15m

$206

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Sat 9/27

12:44 pm-4:53 pm

1 stop6h 09m

Seattle/Tacoma Intl

Sun 10/5

12:30 am-9:19 am

1 stop6h 49m

$217

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Fri 12/5

6:40 am-1:25 pm

1 stop8h 45m

Seattle/Tacoma Intl

Mon 12/8

6:35 am-9:50 pm

2 stops13h 15m

$228

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Tue 9/16

6:05 pm-11:35 pm

1 stop7h 30m

Spokane

Wed 9/17

2:35 pm-11:52 pm

1 stop7h 17m

$237

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Sat 10/4

6:40 am-12:37 pm

1 stop7h 57m

Spokane

Tue 10/7

5:54 pm-6:56 pm

1 stop23h 02m

$247

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Thu 11/20

6:51 pm-9:21 pm

Nonstop4h 30m

Seattle/Tacoma Intl

Wed 11/26

11:01 pm-5:00 am

Nonstop3h 59m

$247

San AntonioPasco

SAT - PSC

SATPSC

San Antonio

Fri 10/24

6:55 pm-11:32 pm

1 stop6h 37m

Pasco Tri Cities

Mon 10/27

2:55 pm-11:27 pm

1 stop6h 32m

$259

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 Washington from

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

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 State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from San Antonio, with most prices found around $270. If you aren’t able to travel to State of Washington during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $287.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from San Antonio to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $450. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from San Antonio to State of Washington for around $591.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $503. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $621 on average. Flights to State of Washington from San Antonio at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San Antonio to Washington flight route?

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

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $345 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from San Antonio for as low as $282 on momondo.

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

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

Can stopping save me money on San Antonio to State of Washington flights?

You could potentially save up to 83% on your flight if you consider stops on a San Antonio to State of Washington flight.

Cheap San Antonio to State of Washington flight deals and tips

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

Best Price Found

$74

Fastest flight time

4h 25m

Direct flights

Every day

Airports in State of Washington

4 airports
The best one-way flight to State of Washington from San Antonio in the past 72 hours is $74. The best round-trip flight deal from San Antonio to State of Washington found on momondo in the last 72 hours is $164.
The fastest flight from San Antonio to State of Washington takes 4h 25m
Direct flights go from San Antonio to State of Washington every day.
There are 4 airports near State of Washington: Pasco Tri Cities (PSC), Portland (PDX), Spokane (GEG), Seattle/Tacoma Intl (SEA)
Search flight deals

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

    Prices for flights from San Antonio Airport to Washington were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington 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 plane model from San Antonio to State of Washington?

Best airlines flying from San Antonio to State of Washington

Compare and see reviews for airlines that fly from San Antonio to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $87Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
FrontierPriceFrom $101Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
DeltaPriceFrom $177Free CancellationRating
8.0
7,981 reviews
Search Delta flights
SouthwestPriceFrom $194Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $194Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $223Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $237Free CancellationRating
7.8
2,665 reviews
Search Hawaiian Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Washington for you.

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

Yes. All flights to Washington from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Washington.

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

Price alerts on flights to Washington from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your State of Washington trip

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