Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from San Antonio to Seattle
The cheapest flights right now
San Antonio – Seattle
Outbound – Dec 5, 2026
1 stop
6h 41m PHX
Return – Dec 12, 2026
1 stop
5h 53m DFW
$300
3 days ago
San Antonio – Seattle
Outbound – Dec 6, 2026
direct
4h 40m Return – Dec 12, 2026
direct
4h 1m $453
3 days ago
San Antonio – Seattle
Outbound – Dec 5, 2026
1 stop
6h 41m PHX
Return – Dec 12, 2026
1 stop
6h 50m DFW
$273
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$209
Average price of a round trip
$298
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
4h31
A flight from San Antonio to Seattle takes on average 4h31.
Best time
April
According to user searches, the ideal month to go to Seattle is April.
The best flight deals for a week
San Antonio – Seattle
Outbound – Dec 5, 2026
1 stop
6h 41m PHX
Return – Dec 12, 2026
1 stop
5h 53m DFW
$300
3 days ago
San Antonio – Seattle
Outbound – Dec 6, 2026
direct
4h 40m Return – Dec 12, 2026
direct
4h 1m $453
3 days ago
San Antonio – Seattle
Outbound – Dec 5, 2026
1 stop
6h 41m PHX
Return – Dec 12, 2026
1 stop
6h 50m DFW
$273
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from San Antonio to Seattle
Check out our tips for booking your flight to Seattle (USA) from San Antonio (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is November, with an average flight ticket price of $297 (calculation over the last two years). The most touristic season corresponds to the months of November, August and October.
For the cheapest flights, it is advisable to buy your ticket at least 52 days before the departure date.
The airline offering the cheapest flight tickets is Frontier Airlines. A ticket from the airline Frontier Airlines to Seattle costs on average $287.
The airlines that offer the most flights are Alaska Airlines and Alaska Airlines.
Price of flight tickets from San Antonio to Seattle
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $209 to $365
- The average price of a flight ticket is about $298
- Prices are lowest for stays in the month of November
- The month in which booking a ticket is cheaper is: November
info departure city :
San Antonio, USA
airports :
San Antonio International Airport (SAT)
Stinson Municipal Airport (SSF)
Martindale Air Field (MDA)
local time :
San Antonio is a city in the country USA, the time zone is [[timezone]]. In San Antonio, it is currently {fromLocalTime}, the temperature is on average 27°C, with a minimum of 22°C and a maximum of 33°C.
The city of San Antonio has 3 airport(s): San Antonio, Stinson and Martindale Air Field
destination info :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :
Seattle is in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {toLocalTime}, the temperature is on average 15°C, with a minimum of 10°C and a maximum of 23°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
Useful info about Seattle
What is the least touristic period to go to Seattle?
If you want to visit Seattle during the least touristic period, choose the month of April.
What is the most popular time to travel to Seattle?
In Seattle, the most popular month is November. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from San Antonio to Seattle?
According to our data, it is recommended to book your flight 52 days before your departure. If you book your flight ticket 8 weeks before your departure, you may find a price below average. You can also choose morning flights that are 19% cheaper than afternoon and evening flights. The cheapest day to book a flight from San Antonio to Seattle is Tuesday.
What are the arrival and destination airports when traveling between San Antonio and Seattle?
When you leave, you can leave from San Antonio, and you will arrive at Seattle-Tacoma.
How to reach San Antonio airport from the city centre?
The airport San Antonio is located 11 km, Stinson is located 9 km or Martindale Air Field is located 12 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from San Antonio to Seattle?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between San Antonio and Seattle?
In summer, the average temperature is 18°C in Seattle and 29°C in San Antonio. The average rainfall in summer is 38 mm in Seattle and 57 mm in San Antonio. In summer, it is warmer in San Antonio and it rains less in Seattle. In winter, it is colder in San Antonio and it rains more in Seattle.
