$124 Find Cheap Flights from San Antonio to Washington - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Antonio to Washington departing on 10/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from San Antonio to Washington

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Seattle
Seattle1 stop$271
Spokane
Spokane1 stop$323
Pasco
Pasco1 stop$429
Pullman
Pullman1 stop$469
Yakima
Yakima1 stop$489
Seattle
Seattle1 stop$271
Spokane
Spokane1 stop$323
Pasco
Pasco1 stop$429
Pullman
Pullman1 stop$469
Yakima
Yakima1 stop$489

Book Cheap San Antonio to Washington Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Antonio to Washington that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Antonio to Washington

Thu, Oct 29 - Mon, Nov 2
Frontier Logo
9:51 pm - 8:08 pm
SAT
-
PDX
24h 17m
1 stop
Frontier Logo
3:47 pm - 10:12 am
PDX
-
SAT
16h 25m
1 stop
$260Frontier
Thu, Aug 20 - Wed, Aug 26
Frontier Logo
8:26 pm - 5:11 pm
SAT
-
PDX
22h 45m
1 stop
Frontier Logo
5:56 pm - 7:31 pm
PDX
-
SAT
23h 35m
1 stop
$261Frontier
Fri, Aug 21 - Fri, Aug 28
Southwest Logo
7:05 pm - 12:20 am
SAT
-
SEA
7h 15m
1 stop
Southwest Logo
7:00 am - 7:00 pm
SEA
-
SAT
10h 00m
2 stops
$271Southwest
Thu, Nov 19 - Mon, Nov 23
Delta Logo
5:50 pm - 11:59 pm
SAT
-
SEA
8h 09m
1 stop
Delta Logo
6:05 am - 5:44 pm
SEA
-
SAT
9h 39m
1 stop
$276Delta
Fri, Sep 11 - Mon, Sep 14
Southwest Logo
3:30 pm - 11:55 pm
SAT
-
SEA
10h 25m
2 stops
Southwest Logo
5:00 am - 2:55 pm
SEA
-
SAT
7h 55m
2 stops
$276Southwest
Thu, Sep 10 - Tue, Sep 15
Delta Logo
4:50 pm - 10:05 pm
SAT
-
SEA
7h 15m
1 stop
Delta Logo
11:59 pm - 11:39 am
SEA
-
SAT
9h 40m
1 stop
$277Delta
Wed, Oct 14 - Sun, Oct 18
United Airlines Logo
9:48 am - 2:53 pm
SAT
-
SEA
7h 05m
1 stop
United Airlines Logo
11:59 pm - 8:38 am
SEA
-
SAT
6h 39m
1 stop
$284United Airlines
Mon, Nov 23 - Mon, Nov 30
United Airlines Logo
4:48 pm - 9:19 pm
SAT
-
SEA
6h 31m
1 stop
United Airlines Logo
11:59 pm - 8:48 am
SEA
-
SAT
6h 49m
1 stop
$290United Airlines
Wed, Sep 9 - Mon, Sep 14
Multiple Airlines Logo
5:29 pm - 10:01 pm
SAT
-
PDX
6h 32m
1 stop
Multiple Airlines Logo
12:38 pm - 7:25 pm
PDX
-
SAT
28h 47m
1 stop
$297Multiple Airlines
Thu, Aug 20 - Sat, Aug 29
Multiple Airlines Logo
8:26 pm - 5:11 pm
SAT
-
PDX
22h 45m
1 stop
Multiple Airlines Logo
5:07 am - 4:13 pm
PDX
-
SAT
9h 06m
1 stop
$316Multiple Airlines
Booking Insights

KAYAK's insights & trends for San Antonio to Washington flights

Get data-powered insights and trends into flights from San Antonio to Washington to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from San Antonio to State of Washington?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from San Antonio to State of Washington departing in August.

Flight prices are below average for this route right now.

Flights to State of Washington from San Antonio usually cost between $280 and $467 in August.
The lowest price found in the past 5 days was $271 on Southwest (Aug 21-Aug 28).

What is the cheapest San Antonio to Washington flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Washington from San Antonio found in the last 5 days was to Seattle, at $387 round-trip. The most popular route is from San Antonio (SAT) to Seattle (SEA), and the cheapest round-trip airline ticket found on this route in the last 5 days was $387.

What is the cheapest time of day to fly to Washington?

The average price for all round-trip flights from San Antonio to Washington depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Washington is generally in the morning, when round-trip flights cost $469 on average. Morning departures are around 9% cheaper than evening flights, on average. The most expensive time of day to fly to Washington is generally at night, which is peak travel time and where the average cost of a ticket is $641.

Can I save money by flying with a layover from San Antonio to Washington?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $293, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from San Antonio to Washington?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Antonio to Washington, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Antonio to Washington is October, when tickets cost $277 (return) on average. On the other hand, the most expensive months are July and June, when the average cost of round-trip tickets is $414 and $405 respectively.

What’s the cheapest day of the week to fly from San Antonio to Washington?

The average price of all round-trip flights from San Antonio to Washington clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Washington on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from San Antonio to Washington. For your return ticket, we recommend flying on a Thursday and avoiding Sundays for the best deals.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Antonio to Washington, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Antonio to Washington, you should book around 2 weeks before departure, which saves you about 27% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

Good to know

Low season

January

Cheapest flight

$124
Best time to beat the crowds with an average 3% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from San Antonio to Seattle

FAQs - booking Washington flights

  • How does KAYAK find such low prices on flights from San Antonio to Washington?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Antonio to Washington.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Antonio to Washington?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Antonio to Washington is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Antonio to Washington?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from San Antonio to Washington with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Antonio to Washington?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from San Antonio to Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from San Antonio to Washington

 
See real verified KAYAK customer reviews for airlines flying from San Antonio to Washington. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Antonio to Washington? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4227 reviews
8.0Comfort
7.5Entertainment
7.0Food
8.1Boarding
8.6Crew
Airline reviews

Paid for premium extra leg room but the bin space for rows 1-3 had to go in rows 4-6 and 4-6 had to go to 7-9 because flight attendants have snacks and their luggage upfront. So we pay extra to have to fight thru traffic to get our bags. Only 2nd day of new seating so hope they fix this.

8.0 ExcellentKevin, Feb 2026
LAS - SEA
Read more Southwest reviews

Paid for premium extra leg room but the bin space for rows 1-3 had to go in rows 4-6 and 4-6 had to go to 7-9 because flight attendants have snacks and their luggage upfront. So we pay extra to have to fight thru traffic to get our bags. Only 2nd day of new seating so hope they fix this.

Great vacation. Can't wait till next year for another one.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

Delayed flight. Nicest crew member was a SW pilot flying seated next to me who kindly move to seat the final passenger. Flight extra delayed. My cup of refreshment of ginger ale was so packed with ice it was literally 2 sips.

Southwest is Southwest. No frills. If you're luck enough to get a happy crew (we did), then it makes for a nicer flight.

I would have liked to arrive on time - not 5 hours late!

Board Milian spokesman with pre boarding , not after A group and without my spouse. Total BS, back to Alaska Airlibes I GO. oner 1.2M miles and 900 flights, and every time I fly SWA I regret it, thos will be last time, I only flew SWA but to time requirements fir a Funeral. NEVER AGAIN SWA

Good crew, funny movies, but you need phone ports in the plane and better snacks. :)

Had a long layover in rainy Chicago. The staff were attentive - my husband needed a wheelchair due to a recent fall and unsteady on his feet. They are wonderful for those of us who need a bit of extra care. My only complaint was discovered upon unpacking our suitcases at home. One (we had 3 carry on size and one just a bit larger) had water damage to everything inside. All the clothing (just happened to be the case with the clean clothes) were wet. I know it was raining, but why would items inside be wet? The paperwork packed in this case was damp with ink running. There were momentos from our 10-day European vacation that I was hoping to scrapbook - but alas, they will be scrapped - too damaged to keep. The boxes of French chocolate were damp on the outside. My expensive camera now has a cracked screen and a Gaudi tea-for-one was cracked - even though it was packed in clothing. I know it happened on this flight as I repacked all four suitcases before leaving New York in the morning. My first unhappy experience with luggage at Southwest.

It was good. I wish you had gluten free snacks for my husband.

when we arrived crew told us our luggage was at a certain location , waited for nearly an hour after landing and no luggage was there. turned out the luggage was somewhere else far away and no one told us. very incompetent.

Everyone from the ticket counter to the stewards were so accommodating and helpful

The response was very helpful and quick. Overall, it was very professional.

I had a medical incident on the flight. The crew was very responsive and kind, making the situation as "good" as possible. (I believe they were overly cautious, but it's understandable.) My only complaint is that the seats are too small. I was so cramped for so many hours, that it exacerbated my medical incident. I will probably not be able to fly in coach anymore, and cannot afford otherwise, so it looks like flying is a thing of the past for me.

Attentive, caring. Loved the communication in the app even before boarding and while on plane from pilots.

Boarding the flight crew was super nice. They came with drinks 2 times during the 4 hour flight from San Antonio to Seattle and they gave a snack. If you wanted WIFI it was $8 and they had movies, some to purchase and some free. The way the plane was packed you would think it would be free or cheaper. Our pilot got us there before our actual arrival time l, we arrived at 9 not 930.

Airline stewards for first class had an attitude not impressed .

It would have been excellent but we were delayed as we had to stop in Salt Lake City to refuel. I was supposed to get to Seattle at 8:40 but didn't get in til close to 11 p.m. But it's okay, all in all it was a good flight experience and my first time flying Alaska Airlines. :)

There was a medical emergency on board the crew handled it very professionally and the ambulance crew as well. I am very impressed. Thank you Clyde Barron 31 D

How easy the trip. Information about what to do was great. Everyone very friendly.

Not really a “Delta” problem but worth mentioning: Boarding was a difficult process. TSA seemed understaffed and Pre-Check took longer than regular TSA. The supervisor was frazzled and yelled at travelers. Once through TSA, we had to put our carry-ons through another x-ray machine. Then queue up to board with both boarding pass and ID. Then, when we got to the stairs on the tarmac, we had to show our boarding pass again. Maybe this is just normal for Kona since the terminal is outdoors (but still a “secured” area).

Checkin was good, fllight ws good. Onlly complaint is lack of foot on 6 hour flight from Seattle to Boston. Snacks were flimsy - chips and cookies. could have offered something more substantial for such a long flight. I know you can buy food in airport but for the price you pay for a ticket, they should step up for the passengers.

Flight was delayed, we could have been notified earlier and in a consistent manner. App was not refreshing for another passenger to get the latest flight status. We could have stayed and waited at the hotel instead of waiting at the airport had we known the flight was going to delayed for more than 5 hours. The toilet is too tight, and needs to be cleaned more frequently (every hour). The entertainment screen froze, the touch screen not responding to touch. We were upgraded to comfort, it is more comfortable than regular economy seats.

Arlene was a great flight attendant. I also liked how one of the other flight attendants gave us a heads up about snacks and asked everyone to remove their headphones when it was their turn to order. Good idea.

It was fine. 55 minute flight. No snacks or beverage service offered. Boarding went smoothly and my walker was waiting for me on the jet way.

My flight was cencaled due with the bad weather on Sunday the crew was poorly mistaken my luggage supposed depart with my flight instead I didn’t have my luggage for almost 3 days the website is poorly respond to my complain until I have someone to do it my connection smooth their not even respon or email me even the have my luggage

8 hours late and the plane smelled like urine, that smell in the morning when your child wet the bed in the night.

Everything was good except wifi and a leaking drink chiller. The floor was all wet and my bag was soaked. Did not notice until debarking. Have not heard back from Delta. Even though this was leg one of an international flight in first class, they denied access to their Sky Club - very disappointing!

Prior to takeoff, the pilot told us there was a possibility of not being able to land and going to Portland. Well that happened, we took off and then did 8 loops around Spokane before the pilot told us we ran out of fuel and had to go to Portland. So for a 35 minute flight we have now been on the plane for 3 hours (boarded at 6:50 am and landed in Portland at 10:30). Then, we just sat in Portland's airport with no updates of when we can start heading back. All of a sudden, our pilots and crew just left, leaving us stranded in a different city and state. We continued to sit in Portland until we finally got a new crew assigned and boarded the plane (This was from 10:30-2). We then sat on the plane for an additional hour before take off because they had to count us multiple times. We finally landed in Spokane at 3:55 PM. So a flight that should have taken at max an hour took us 10 hours and we missed the majority of the recruiting event we went for.

Staff was great! Kind and cordial! Middle seat row 28 seat B has a hump in it. Trays were getting stuck when putting down and up. Good flight

Awful. Delayed flights, missed connection to Toronto. Hotel vouchers were for already booked hotels x3. Giant waste of my time

The entertainment is a bit limited, it would be better if they added some games to play besides the movies and tv shows. But the seats are comfortable and the crew is polite

The pilot had to extend the flight time from san antonio to Houston to burn off fuel. This caused a lot of unnecessary stress since we had a tight connection to Aruba. And with no other flights going to Aruba we were worried about spending a night in Houston. We had to to run to our connection because of the flight crews mistake. Not happy.

Fine. The issues I had were associated with luggage being delayed from Turkey to Tanzania

Do not like the size of the overhead bin. I think staff should monitor the size of suitcases that are being carried on by passengers to ensure they meet the size requirement.

Flight was good and crew was super polite. However, there were around 5 kids screaming the WHOLE 2 hours. I understand kids have to come but parents need to do something to control their children. They make the experience terrible, especially after finishing 16 hour shifts at the hospital I needed some sleep, which I did not get.

Gate agent did not hold flight for connection, provided no assistance to get new flight

Nothing they cancelled my connection and couldn't get me on a flight for 3 more days

The plane was dirty and the in seat air wasn't blowing as planes usually do.

The customer service was excellent! Check-in, baggage check-in, boarding, the flight went very smooth.

Plane was super cold. No entertainment unless you were with mileage program Getting off the plane was super slow

Beverage service was not good. Also just one service in 5 hr 30 min flight. No ask fir water ir anything beside one time beverage service.

Flight was delayed because of a bird strike. They had another plane available within 45 minutes.

It was a code share with Alaska - would have been great if I actually made it on the plane, claimed I didn’t have a ticket or a seat even thought I was checked in.

Deplaning time. Having to wait 10 to 25 minutes after boarding to leave the gate. Having to wait 10 minutes to park at the gate to deplane.☹️

The main problem was delay. The plane was at the gate early and bags were loaded. However, there was no crew for the flight. They were inbound from LGA and had to land and make their way to our gate. It took more than 40 minutes. Then, once the crew arrived and boarded, one of the crew members had to deplane and then a replacement crew member had to be found. It took another 40 minutes or so to get the final crew member. In all, we took off about 2 hours later than our scheduled departure time. Once in the air, the flight was great. Smooth most of the way. The crew was professional and efficient.

When you pay for Premium Economy on an 787 and you’re promised amenities for the extra money, you expect them to work. They didn’t. USB connector wouldn’t charge continuously. 120v outlet wouldn’t hold anything you plugged into it. The adapter would just fall out. The noise canceling headphones stopped noise cancelling in the first 15 minutes for EVERYONE. No one on the plane knew how to fix it so I couldn’t listen to any movies. I just put in my AirPods and went to sleep. Very unhappy with the crappy Panasonic entertainment system. I won’t buy premium again.

i suspect i caught flu on this flight as i could hear someone coughing a few rows back and ended up with flu a few days later. also tiresome to have to watch movies on my device by holding up smartphone screen, would have liked to have in seat display.

My first time flying American Airlines, my first flight to CLT was wonderful and flight attendants was nice and had great customer service. My second flight from CLT to NY was very delayed due to whatever reason the crew was not greeting other than that I’m rate 8 .

Boarded late. Missed first landing attempt, landed almost an hour late and missed connecting flight.

Everything you need to know for your flight from San Antonio to Washington

Information on your arrival and departure airports