United Airlines San Antonio to Seattle Flights

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Cheapflightsplus.com will find cheap United Airlines flights from San Antonio to Seattle. Compare airline ticket prices and book air tickets starting from $162 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare San Antonio (TX) — Seattle (WA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in march: one-way - $162, two-way – $278.

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Cheap Flights from San Antonio to Seattle by United Airlines

Look at the list of plane tickets for the most connecting flights by United Airlines, their prices start from $162. There’re no direct flights. The fastest connecting flight – 6h 45m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $162 Find flight	4:50 pm San Antonio San Antonio	10:45 pm Seattle Seattle-Tacoma Intl	7h 55m layover 2h 30m - Denver	United Airlines	UA680 UA2651
from $163 Find flight	5:57 pm San Antonio San Antonio	10:58 pm Seattle Seattle-Tacoma Intl	7h 1m layover 0h 56m - Houston	United Airlines	UA465 UA2456
from $262 Find flight	1:18 pm San Antonio San Antonio	9:01 pm Seattle Seattle-Tacoma Intl	9h 43m layover 4h 18m - Denver	United Airlines	UA1299 UA299
from $319 Find flight	9:00 am San Antonio San Antonio	10:45 pm Seattle Seattle-Tacoma Intl	15h 45m layover 10h 21m - Denver	United Airlines	UA791 UA2651
from $368 Find flight	7:25 am San Antonio San Antonio	10:17 pm Seattle Seattle-Tacoma Intl	16h 52m layover 6h 52m - Newark	United Airlines	UA2191 UA2044
from $400 Find flight	9:30 am San Antonio San Antonio	0:55 am+1 день Seattle Seattle-Tacoma Intl	17h 25m layover 10h 48m - San Francisco	United Airlines	UA5476 UA1743
from $400 Find flight	3:25 pm San Antonio San Antonio	0:55 am+1 день Seattle Seattle-Tacoma Intl	11h 30m layover 4h 51m - San Francisco	United Airlines	UA5906 UA1743
from $413 Find flight	5:30 am San Antonio San Antonio	12:44 pm Seattle Seattle-Tacoma Intl	9h 14m layover 3h 11m - Houston	United Airlines	UA469 UA2606
from $413 Find flight	9:30 am San Antonio San Antonio	3:54 pm Seattle Seattle-Tacoma Intl	8h 24m layover 1h 48m - San Francisco	United Airlines	UA5476 UA1387
from $421 Find flight	9:30 am San Antonio San Antonio	6:29 pm Seattle Seattle-Tacoma Intl	10h 59m layover 4h 23m - San Francisco	United Airlines	UA5476 UA2603
from $429 Find flight	3:25 pm San Antonio San Antonio	9:15 pm Seattle Seattle-Tacoma Intl	7h 50m layover 1h 11m - San Francisco	United Airlines	UA5906 UA2019
from $453 Find flight	9:30 am San Antonio San Antonio	9:15 pm Seattle Seattle-Tacoma Intl	13h 45m layover 7h 8m - San Francisco	United Airlines	UA5476 UA2019
from $480 Find flight	7:00 am San Antonio San Antonio	6:45 pm Seattle Seattle-Tacoma Intl	13h 45m layover 6h 14m - Chicago	United Airlines	UA2629 UA2278

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 02/23/2025

United Airlines Flight Schedule San Antonio to Seattle

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
1:18 pm — 6:03 pm	1:00 pm — 2:24 pm UA1299 United Airlines San Antonio — Denver 1h 19m stop 4:10 pm — 6:15 pm UA745 United Airlines Denver — Seattle	6h 45m including layover	Find flight from$163
1:18 pm — 9:01 pm	1:00 pm — 2:24 pm UA1299 United Airlines San Antonio — Denver 4h 18m stop 7:05 pm — 9:11 pm UA299 United Airlines Denver — Seattle	9h 43m including layover	Find flight from$262
3:25 pm — 0:55 am +1 day	3:25 pm — 5:44 pm UA5906 United Airlines San Antonio — San Francisco 4h 51m stop 10:35 pm — 0:55 am UA1743 United Airlines San Francisco — Seattle	11h 30m including layover	Find flight from$400
3:25 pm — 9:15 pm	3:25 pm — 5:44 pm UA5906 United Airlines San Antonio — San Francisco 1h 11m stop 6:55 pm — 9:15 pm UA2019 United Airlines San Francisco — Seattle	7h 50m including layover	Find flight from$429
4:50 pm — 10:45 pm	4:57 pm — 6:19 pm UA680 United Airlines San Antonio — Denver 2h 30m stop 9:05 pm — 11:11 pm UA2651 United Airlines Denver — Seattle	7h 55m including layover	Find flight from$162
5:30 am — 12:44 pm	5:30 am — 6:34 am UA469 United Airlines San Antonio — Houston 3h 11m stop 9:45 am — 12:44 pm UA2606 United Airlines Houston — Seattle	9h 14m including layover	Find flight from$413
5:57 pm — 10:58 pm	5:48 pm — 6:55 pm UA465 United Airlines San Antonio — Houston 56m stop 7:59 pm — 11:00 pm UA2456 United Airlines Houston — Seattle	7h 1m including layover	Find flight from$163
7:00 am — 6:45 pm	7:00 am — 9:51 am UA2629 United Airlines San Antonio — Chicago 6h 14m stop 4:05 pm — 6:45 pm UA2278 United Airlines Chicago — Seattle	13h 45m including layover	Find flight from$480
7:25 am — 10:17 pm	7:25 am — 12:06 pm UA2191 United Airlines San Antonio — Newark 6h 52m stop 6:58 pm — 10:17 pm UA2044 United Airlines Newark — Seattle	16h 52m including layover	Find flight from$368
9:00 am — 10:45 pm	9:00 am — 10:23 am UA791 United Airlines San Antonio — Denver 10h 21m stop 8:44 pm — 10:45 pm UA2651 United Airlines Denver — Seattle	15h 45m including layover	Find flight from$319
9:00 am — 9:01 pm	8:49 am — 10:11 am UA791 United Airlines San Antonio — Denver 8h 37m stop 7:00 pm — 9:05 pm UA299 United Airlines Denver — Seattle	14h 1m including layover	Find flight from$362
4:50 pm — 0:55 am +1 day	4:50 pm — 6:14 pm UA680 United Airlines San Antonio — Denver 51m stop 7:05 pm — 8:59 pm UA2681 United Airlines Denver — San Francisco 1h 36m stop 10:35 pm — 0:55 am UA1743 United Airlines San Francisco — Seattle	10h 5m including layover	Find flight from$321

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 02/23/2025

Flight Information

There are 25 flights by United Airlines from San Antonio to Seattle every week with departures from San Antonio, Kelly AFB, Stinson Municipal, Randolph AFB, Martindale AAF. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 1:18 pm to 9:30 am. Nonstop flight is 6h 45m. The time difference between San Antonio and Seattle is 2h.

The fastest flight 6h 45m
Average flight time 11h 1m
The earliest flight 1:18 pm
The latest flight 9:30 am
Distance 1774 ml

The cheapest months for traveling to Seattle are november (from 162 $), january (from 163 $), february (from 165 $).

The most expensive and popular months are december (from 370 $), february (from 165 $), january (from 163 $).

The cheapest flight by United Airlines that our users were able to find is $162. This airfare is economy class on one-way UA680 flight for February 21, 2025 leaving San Antonio in San Antonio at 4:50 pm, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from San Antonio to Seattle:

Other Popular Airlines on the Route

Besides United Airlines there are other 5 airline carriers between San Antonio and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from San Antonio to Seattle.

Nonstop flights

There are 1 direct flights every day from San Antonio. Airlines and fares are below:

AS - Alaska Airlines

from $197

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Connecting Flights

List of flights with layovers (1 and more stops):

AS - Alaska Airlines

from $171

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Y4 - Volaris

from $316

Find
VB - VivaAerobus

from $368

Find
AM - Aeromexico

from $711

Find
NK - Spirit Airlines

from $156

Find

See more connecting flights

How to book an air ticket yourself?

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