Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Washington from $119

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 7/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Washington

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:39 pm - 4:36 pm
SAT
-
PDX
22h 57m
1 stop
Frontier Logo
5:56 pm - 6:54 pm
PDX
-
SAT
22h 58m
1 stop
$260Frontier
Tue, Aug 4 - Tue, Aug 25
Frontier Logo
9:32 pm - 10:39 am
SAT
-
SEA
15h 07m
1 stop
Frontier Logo
7:06 pm - 6:44 pm
SEA
-
SAT
21h 38m
1 stop
$265Frontier
Wed, Jul 8 - Sat, Jul 11
Frontier Logo
9:32 pm - 10:39 am
SAT
-
SEA
15h 07m
1 stop
Frontier Logo
7:06 pm - 6:44 pm
SEA
-
SAT
21h 38m
1 stop
$266Frontier
Tue, Jul 7 - Tue, Jul 14
Southwest Logo
12:55 pm - 8:15 pm
SAT
-
SEA
9h 20m
2 stops
Southwest Logo
9:20 am - 10:50 pm
SEA
-
SAT
11h 30m
1 stop
$267Southwest
Tue, Sep 15 - Sat, Sep 19
Southwest Logo
1:30 pm - 9:15 pm
SAT
-
SEA
9h 45m
2 stops
Southwest Logo
11:00 pm - 10:20 am
SEA
-
SAT
9h 20m
1 stop
$270Southwest
Tue, Aug 4 - Tue, Aug 11
Alaska Airlines Logo
5:11 pm - 10:25 pm
SAT
-
GEG
7h 14m
1 stop
Alaska Airlines Logo
7:03 am - 4:13 pm
GEG
-
SAT
7h 10m
1 stop
$369Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
United Airlines Logo
2:15 pm - 8:30 pm
SAT
-
GEG
8h 15m
2 stops
United Airlines Logo
4:13 pm - 11:55 pm
GEG
-
SAT
5h 42m
1 stop
$385United Airlines
Sat, Jul 4 - Tue, Jul 21
Delta Logo
12:39 pm - 4:38 pm
SAT
-
PSC
5h 59m
1 stop
Delta Logo
5:21 pm - 12:26 am
PSC
-
SAT
5h 05m
1 stop
$425Delta
Fri, Jul 24 - Thu, Jul 30
Alaska Airlines Logo
4:44 pm - 10:37 pm
SAT
-
PSC
7h 53m
1 stop
Alaska Airlines Logo
10:33 am - 5:00 am
PSC
-
SAT
16h 27m
1 stop
$434Alaska Airlines
Mon, Jul 20 - Mon, Jul 27
Delta Logo
2:26 pm - 7:45 pm
SAT
-
PSC
7h 19m
1 stop
Delta Logo
5:21 pm - 12:26 am
PSC
-
SAT
5h 05m
1 stop
$437Delta
Wed, Jul 8 - Sun, Jul 12

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from San Antonio to State of Washington

Our best Delta deals on San Antonio to State of Washington flight tickets
Delta
Aug 5
SAT4:49 pmSan Antonio
6h 56m
1 stop
SEA9:45 pmSeattle/Tacoma Intl
Aug 11
SEA12:36 pmSeattle/Tacoma Intl
9h 20m
1 stop
SAT11:56 pmSan Antonio
$279
Delta
Jul 4
SAT6:05 amSan Antonio
8h 53m
1 stop
SEA12:58 pmSeattle/Tacoma Intl
Jul 9
SEA12:35 pmSeattle/Tacoma Intl
9h 19m
1 stop
SAT11:54 pmSan Antonio
$303
Delta
Jun 23
SAT7:10 amSan Antonio
7h 24m
1 stop
SEA12:34 pmSeattle/Tacoma Intl
Jul 9
SEA12:35 pmSeattle/Tacoma Intl
9h 19m
1 stop
SAT11:54 pmSan Antonio
$323

Frontier flights from San Antonio to State of Washington

Our best Frontier deals on San Antonio to State of Washington flight tickets
Frontier
Aug 4
SAT7:39 pmSan Antonio
22h 57m
1 stop
PDX4:36 pmPortland
Aug 25
PDX5:56 pmPortland
22h 58m
1 stop
SAT6:54 pmSan Antonio
$260
Frontier
Jul 8
SAT9:32 pmSan Antonio
15h 07m
1 stop
SEA10:39 amSeattle/Tacoma Intl
Jul 11
SEA7:06 pmSeattle/Tacoma Intl
21h 38m
1 stop
SAT6:44 pmSan Antonio
$265
Frontier
Aug 13
SAT7:49 pmSan Antonio
23h 02m
1 stop
PDX4:51 pmPortland
Aug 18
PDX5:56 pmPortland
22h 58m
1 stop
SAT6:54 pmSan Antonio
$267

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 June 23, 2026.
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

Cheapest round-trip

San AntonioPortland

SAT - PDX

SATPDX

San Antonio

Tue 8/4

7:39 pm-4:36 pm

1 stop22h 57m

Portland

Tue 8/25

5:56 pm-6:54 pm

1 stop22h 58m

$260

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Wed 7/8

9:32 pm-10:39 am

1 stop15h 07m

Seattle/Tacoma Intl

Sat 7/11

7:06 pm-6:44 pm

1 stop21h 38m

$265

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 7/7

9:32 pm-10:39 am

1 stop15h 07m

Seattle/Tacoma Intl

Tue 7/14

7:06 pm-6:44 pm

1 stop21h 38m

$266

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 9/15

12:55 pm-8:15 pm

2 stops9h 20m

Seattle/Tacoma Intl

Sat 9/19

9:20 am-10:50 pm

1 stop11h 30m

$267

San AntonioSeattle

SAT - SEA

SATSEA

San Antonio

Tue 8/4

1:30 pm-9:15 pm

2 stops9h 45m

Seattle/Tacoma Intl

Tue 8/11

11:00 pm-10:20 am

1 stop9h 20m

$270

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Tue 8/25

5:11 pm-10:25 pm

1 stop7h 14m

Spokane

Wed 8/26

7:03 am-4:13 pm

1 stop7h 10m

$369

San AntonioSpokane

SAT - GEG

SATGEG

San Antonio

Sat 7/4

2:15 pm-8:30 pm

2 stops8h 15m

Spokane

Tue 7/21

4:13 pm-11:55 pm

1 stop5h 42m

$385
Quickest round-trip

San AntonioPasco

SAT - PSC

SATPSC

San Antonio

Fri 7/24

12:39 pm-4:38 pm

1 stop5h 59m

Pasco Tri Cities

Thu 7/30

5:21 pm-12:26 am

1 stop5h 05m

$425

San AntonioPasco

SAT - PSC

SATPSC

San Antonio

Mon 7/20

4:44 pm-10:37 pm

1 stop7h 53m

Pasco Tri Cities

Mon 7/27

10:33 am-5:00 am

1 stop16h 27m

$434

San AntonioPasco

SAT - PSC

SATPSC

San Antonio

Wed 7/8

2:26 pm-7:45 pm

1 stop7h 19m

Pasco Tri Cities

Sun 7/12

5:21 pm-12:26 am

1 stop5h 05m

$437

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 May is, on average, the cheapest month to fly to State of Washington from San Antonio, with most prices found around $80. If you aren’t able to travel to State of Washington during the month of May, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $91.

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 Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $422. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from San Antonio to State of Washington for around $567.

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 morning when flights can be purchased for as low as $473. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $619 on average. Flights to State of Washington from San Antonio in the evening 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 from San Antonio to 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 $324 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 $287 on momondo.

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

There are 4 cabin classes available to choose from on San Antonio to State of 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 51% 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

$234

Fastest flight time

4h 23m

Direct flights

Every day

Airports in State of Washington

96 airports
The best one-way flight to State of Washington from San Antonio in the past 72 hours is $234. The best round-trip flight deal from San Antonio to State of Washington found on momondo in the last 72 hours is $417.
The fastest flight from San Antonio to State of Washington takes 4h 23m
Direct flights go from San Antonio to State of Washington every day.
There are 96 airports in State of Washington. From San Antonio there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from San Antonio to Washington

  • 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
FrontierPriceFrom $80Free CancellationRating
5.6
2,870 reviews
Search Frontier flights
DeltaPriceFrom $127Free CancellationRating
7.8
8,425 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $153Free CancellationRating
7.8
2,826 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $194Free CancellationRating
7.9
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $194Free CancellationRating
7.1
11,744 reviews
Search American Airlines flights
United AirlinesPriceFrom $201Free CancellationRating
7.4
9,874 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $217Free CancellationRating
7.9
12,563 reviews
Search Alaska 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 7/23
Thu 7/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $62
Flights to Los Angelesfrom $56
Flights to Orlandofrom $63
Flights to Miamifrom $78
Flights to Chicagofrom $74
Flights to San Franciscofrom $50
Flights to Las Vegasfrom $56
Flights to Washington, D.C.from $57
Flights to Bostonfrom $54
Flights to Atlantafrom $58
Flights to Fort Lauderdalefrom $59
Flights to Dallasfrom $72