Cheap flights from Washington to San Antonio from $91
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 8/13. 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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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 September instead. Flights to San Antonio in September, while not as cheap as those in January, still average around $316.
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 $380. 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 $487.
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 $445. 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 $356 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 $248 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.
What is the cheapest airline that flies from Washington to San Antonio?
Delta, Spirit Airlines, and Southwest are the most popular carriers operating from Washington to San Antonio
What airlines fly to San Antonio?
Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to San Antonio from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 8 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
How many flights depart from State of Washington to San Antonio on average per day?
The number of flights available between State of Washington and San Antonio is 4 per day as of June 2025. The most frequent departure time is 12:00PM, with 52% of daily flights leaving in the afternoon.
How many flights depart from State of Washington to San Antonio on average per week?
The number of flights available between State of Washington and San Antonio is 29 per week as of June 2025. The most frequent departure day is Wed, with 24% of weekly flights leaving on this day.
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
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?
As of June 2025, there are 8 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from State of Washington to San Antonio is Boeing 737 MAX 9 (49.62% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (14.18%), Boeing 737 (12.45%), and Boeing 737-800 Passenger/BBJ2 (winglets) (12.07%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $112 | Free Cancellation | Rating 6.3 8,066 reviews | |||
| PriceFrom $129 | Free Cancellation | Rating 5.9 3,301 reviews | |||
| PriceFrom $176 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 7.8 2,507 reviews | |||
| PriceFrom $230 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 8.0 10,000 reviews |
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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.