Cheap flights from San Antonio to Washington 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 Washington departing on 5/30. 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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1 adult
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0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from San Antonio to Washington that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Antonio to Washington.
Cheap last minute flights
Planning a quick getaway from San Antonio to Washington? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Washington, so you can enjoy a seamless trip without layovers.
Spirit Airlines flights from San Antonio to State of Washington
Our best Spirit Airlines deals on San Antonio to State of Washington flight tickets
Spirit Airlines![Spirit Airlines]()
May 30![Spirit Airlines]()
Jun 2
SAT11:42 amSan Antonio
14h 28m
1 stop
SEA12:10 amSeattle/Tacoma Intl
SEA3:20 pmSeattle/Tacoma Intl
11h 44m
1 stop
SAT5:04 amSan Antonio
Spirit Airlines![Spirit Airlines]()
May 28![Spirit Airlines]()
Jun 1
SAT1:27 pmSan Antonio
25h 15m
2 stops
PDX12:42 pmPortland
PDX5:40 pmPortland
18h 02m
2 stops
SAT1:42 pmSan Antonio
Frontier flights from San Antonio to State of Washington
Our best Frontier deals on San Antonio to State of Washington flight tickets
Frontier![Frontier]()
May 16![Frontier]()
May 19
SAT3:22 pmSan Antonio
11h 22m
1 stop
SEA12:44 amSeattle/Tacoma Intl
SEA6:00 amSeattle/Tacoma Intl
6h 17m
1 stop
SAT2:17 pmSan Antonio
Frontier![Frontier]()
May 24![Frontier]()
May 25
SAT7:36 pmSan Antonio
7h 01m
1 stop
SEA12:37 amSeattle/Tacoma Intl
SEA6:25 amSeattle/Tacoma Intl
10h 11m
1 stop
SAT6:36 pmSan Antonio
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
Prices
Airlines
Other information
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 $285. If you aren’t able to travel to State of Washington during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $301.
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 $429. 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 $537.
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 $439. 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 9 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $349 when searching 9 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.
What is the cheapest airline that flies from San Antonio to Washington?
Spirit Airlines, Frontier, and Delta are the most popular carriers operating from San Antonio to Washington
What airlines fly to State of Washington?
Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to State of Washington from San Antonio according to our data. Alaska Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 8 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Antonio to State of Washington on average per day?
The number of flights available between San Antonio and State of Washington is 5 per day as of May 2025. The most frequent departure time is 6:00AM, with 61% of daily flights leaving at noon.
How many flights depart from San Antonio to State of Washington on average per week?
As of May 2025, 36 flights take off from San Antonio and land in State of Washington each week. The most common flight departure day for this route is Sun, with 19% of weekly flights taking off on this day.
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 | $77 |
|---|---|
Fastest flight time | 4h 16m |
Direct flights | Every day |
Airports in State of Washington | 3 airports |
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?
As of May 2025, there are 8 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Antonio to State of Washington is Boeing 737 MAX 9 (37.52% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (21.06%), Boeing 737 (15.40%), and Boeing 737-800 Passenger/BBJ2 (winglets) (8.85%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $101 | Free Cancellation | Rating 5.9 3,287 reviews | |||
| PriceFrom $108 | Free Cancellation | Rating 6.3 7,965 reviews | |||
| PriceFrom $178 | Free Cancellation | Rating 8.0 7,937 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.4 8,701 reviews | |||
| PriceFrom $237 | Free Cancellation | Rating 8.0 9,985 reviews | |||
| PriceFrom $247 | Free Cancellation | Rating 7.9 2,418 reviews | |||
| PriceFrom $255 | Free Cancellation | Rating 8.0 4,293 reviews |
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?
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