Cheap flights from San Antonio to Seattle (SAT - SEA) from $45

This is the cheapest one-way flight price, found on 10/1. Prices may vary by date and flight preferences.
SAT — SEA
Oct 8 — Oct 151

The best prices from San Antonio to Seattle/Tacoma Intl are usually found in February or January, booked 59 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

How to find the cheapest flight from San Antonio (SAT) to Seattle (SEA)

All the information you need to plan the best SAT to SEA flight in 2023: compare San Antonio to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.

Popular in

June

Cheapest in

February

Round-trip from

$237

One-way from

$108
High demand for flights, 33% potential price rise
Best time to find cheap flights, 31% potential price drop
From San Antonio to Seattle/Tacoma Intl
One-way flight from San Antonio to Seattle/Tacoma Intl

SAT - SEA

Price

$237 - $456

SEA

Temperature

41 - 66.2 °F

SEA

Rainfall

0.7 - 6.6 inches

What is the cheapest day to fly round-trip from San Antonio to Seattle?

Monday is generally a great day to depart. Flying on this day could help you save up to 44%.

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

Users have found that booking a flight from San Antonio to Seattle at least 60 days early can save you up to 35% on average compared to booking a flight this week. If booking 60 days before your flight isn’t an option for you, users have found flights from San Antonio to Seattle for as little as $493 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $502 for flights departing within the next 3 days.

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

Flights from San Antonio to Seattle lean towards being more expensive in June. Prices are generally better when you fly from San Antonio to Seattle in February, with the cheapest ticket starting at $218.

When is the cheapest time to fly from San Antonio to Seattle (SAT - SEA)?

It’s optimal to fly from San Antonio to Seattle at noon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

Cheap Frontier flights from San Antonio to Seattle

Check out some of the cheapest Frontier flights we've come across from San Antonio to Seattle. It's recommended that users confirm their flight details before booking.

Cheap Alaska Airlines flights from San Antonio to Seattle

Some of the best deals we've found on Alaska Airlines flights traveling from San Antonio to Seattle. Make sure to examine the flight information before completing your reservation.

Cheap San Antonio to Seattle flights in October & November 2023

The best prices found for SAT to SEA flights for October, November
Listed are some of the best fares we've found on flights departing from San Antonio to Seattle in 2023. More deals are always being added, so be sure to check back regularly.

San Antonio to Seattle 2023 flight deals

Cheap flights to Seattle from San Antonio found for this year
Listed are some of the best fares we've found on flights departing from San Antonio to Seattle in 2023. More deals are always being added, so be sure to check back regularly.

Non-stop flights to Seattle from San Antonio

Save time with San Antonio to Seattle direct flight deals
Take a look at some of the direct flights traveling from San Antonio to Seattle in the near future. Select from other flights from San Antonio to Seattle by using the search form above.

San Antonio to Seattle flights leaving soon

Late deals on return flights to Seattle from San Antonio, departing today and this week
Consider one of these great deals we found on last-minute flights from San Antonio to Seattle. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Seattle from San Antonio

The cheapest one-way flights from San Antonio to Seattle
Users traveling one-way from San Antonio to Seattle can select one of these great deals. Users in need of a round-trip flight from San Antonio to Seattle instead should update the search form at the top of page.

Find flights from San Antonio to Seattle within your budget

Use the slider to find flights from San Antonio to Seattle that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$110 - $237

Route

Depart

Return

Price

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Sat 11/11

1 stop7h 26m

Seattle/Tacoma Intl

Mon 11/13

1 stop27h 48m

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Tue 10/31

1 stop6h 51m

Seattle/Tacoma Intl

Wed 11/1

1 stop16h 46m

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Sat 11/11

1 stop7h 26m

Seattle/Tacoma Intl

Mon 11/13

2 stops22h 02m

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Tue 10/31

1 stop6h 51m

Seattle/Tacoma Intl

Sat 11/4

1 stop6h 11m

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Wed 10/25

1 stop21h 19m

Seattle/Tacoma Intl

Wed 11/1

1 stop6h 11m

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Wed 10/25

1 stop21h 19m

Seattle/Tacoma Intl

Mon 10/30

1 stop14h 31m

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Wed 10/25

1 stop6h 30m

Seattle/Tacoma Intl

Tue 10/31

1 stop8h 01m

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Thu 11/30

Nonstop4h 32m

Seattle/Tacoma Intl

Sun 12/3

Nonstop3h 52m

San AntonioSeattle/Tacoma Intl

SAT - SEA

SATSEA

San Antonio

Fri 1/5

1 stop8h 07m

Seattle/Tacoma Intl

Sun 1/7

1 stop6h 37m

Flights are sorted by cheapest first

Deals found on 10/2

Reviews of airlines servicing Seattle

Peruse reviews from past customers who have flown with Frontier, Alaska Airlines and American Airlines from San Antonio to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,394 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

Alaska Airlines
8.1
Very good
1,394 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

Delta
7.9
Good
3,023 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

United Airlines
7.4
Good
1,891 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

Spirit Airlines
6.3
Okay
1,486 reviews
Alaska Airlines
8.1
Very good
1,394 reviews

Overall

8.1

Crew

8.6

Food

7.2

Comfort

8.0

Boarding

8.3

Entertainment

7.2

Reviews

1 / 10

Boarding staff was funny which was comforting in my time of grief. As I went to San Antonio for my dads funeral. Flight and staff were amazing. Unlike United that uses a much smaller carry on size. Seats were comfortable and the plane had a usb charger unlike United.

Related info for your journey

Useful info, stats and facts about San Antonio to Seattle flights.

What airports do I use to fly from San Antonio to Seattle?

If you wish to fly to Seattle from San Antonio, then you need to book flights from San Antonio to Seattle/Tacoma Intl. There is 1 flight from San Antonio (SAT) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from San Antonio are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 4h 18m is how long a nonstop flight from San Antonio to Seattle/Tacoma Intl typically takes.

Can I find flights from San Antonio to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from San Antonio to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $110, but on average you can expect to pay $143.

Are there nonstop flights from San Antonio to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from San Antonio to Seattle under $200. A good price for a nonstop flight from San Antonio to Seattle is less than $292.

Are there last-minute flights available from San Antonio to Seattle for under $200?

There are currently 20+ open flights from San Antonio to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from San Antonio to Seattle?

Nonstop flights can be found on the following days: Sunday, Tuesday, Friday, Saturday.

How popular is this San Antonio to Seattle flight route?

How many flights depart from San Antonio to Seattle on average per day?

On average 4 flights depart from San Antonio to Seattle per day.
Evening (6pm - Midnight) - 100% of flight departures

How long is the flight from San Antonio to Seattle?

There are many flights that can get you from San Antonio to Seattle in 6h 30m. Fly via Frontier, Spirit Airlines, or American Airlines to get the fastest option. Airlines will cover a distance of 1783 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from San Antonio to Seattle round-trip?

According to our current data, Frontier ($110), Spirit Airlines ($131), and American Airlines ($177) offers the cheapest pricing from San Antonio to Seattle. You may be able to fly from San Antonio to Seattle for 74% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from San Antonio to Seattle one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $45. However, be on the lookout for offers from Spirit Airlines and Alaska Airlines, as they are both options that can get you from San Antonio to Seattle for a low price.

What are the most popular airlines that fly from San Antonio to Seattle?

What are the most reliable airlines from San Antonio to Seattle?

The top 3 most reliable airlines when flying from San Antonio to Seattle are Qatar Airways (80%), Air Tahiti Nui (80%) and Alaska Airlines (68%).

What are the cheapest flights from San Antonio to Seattle?

While on average a flight from San Antonio to Seattle is generally $294, our data shows the cheapest flight currently is $109. When looking at the most popular route, (San Antonio - Seattle/Tacoma Intl), you can expect to pay $112 for that flight.

What does SAT to SEA mean?

SAT and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SAT to SEA refers to a flight route from San Antonio Airport to Seattle/Tacoma Intl Airport.

Alternative routes for San Antonio to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Austin to Seattlefrom $139 pp
El Paso to Seattlefrom $171 pp

Top 6 airlines flying from San Antonio to Seattle

The chart below displays the airlines Cheapflights users traveling from San Antonio to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$117Average$216FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$131Average$358FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$146Average$378FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$155Average$306FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$161Average$327FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$176Average$336FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Hourly flight availability from San Antonio to Seattle

See what time of day planes typically take off from San Antonio to Seattle
0%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
100%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from San Antonio to Seattle

See how many times per day planes take to the skies headed from San Antonio to Seattle
Sunday0daily flights
Monday4daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday3daily flights
Saturday2daily flights

Fly with Cheapflights

What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights from San Antonio to Seattle?

When you search for this flight from San Antonio to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San Antonio to Seattle?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Antonio to Seattle.

Can Cheapflights find flights from San Antonio to Seattle with no change fees?

Certainly. Search results for flights to Seattle from San Antonio shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Antonio to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to Seattle from San Antonio today and book when you’re ready!

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