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Cheap flights from Seattle to Houston

40 nonstop flights a week, 6 of them today. Operated by 3 airlines, about 4h 23m in the air, 1,888 mi (3,039 km). Tickets from $96, nonstop from $155.

Flights from Seattle to Houston

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Seattle to Houston

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from Seattle to Houston

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $96 29 December 2026, with a connection Cheapest nonstop $155 29 December 2026, United Airlines Cheapest in the next 7 days $176 Today Cheapest weekend departure $115 Sat, 2 January 2027 Cheapest month December 2026 tickets from $96

Seattle to Houston at a glance

flight time, from 4h 15m to 12h 45m
4h 23m
straight-line distance
1,888 mi (3,039 km)
flights a week
40
flights today
6
first and last departure
05:15 - 23:22
lowest price, with a connection, 29 December
$96
lowest nonstop price
$155
airlines
3

Seattle to Houston ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $96. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $176. The average across months is $138.

Seattle to Houston flight schedule

40 flights a week, 6 today, 30 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 3434
Southwest Airlines
05:15 Seattle-Tacoma International
13:10 William P. Hobby
5h 55m
Mon, Thu, Fri, Sun
Boeing 737
UA 2135
United Airlines
07:05 Seattle-Tacoma International
13:21 George Bush Intercontinental, terminal C
4h 16m
Daily
Boeing 737-700
WN 1558
Southwest Airlines
07:40 Seattle-Tacoma International
17:40 William P. Hobby
8h
Mon, Tue, Wed, Thu
WN 1558
Southwest Airlines
07:45 Seattle-Tacoma International
17:40 William P. Hobby
7h 55m
Tue, Wed
AS 438
Alaska Airlines
10:23 Seattle-Tacoma International
16:54 George Bush Intercontinental, terminal A
4h 31m
Daily
Boeing 737-900
AS 438
Alaska Airlines
10:47 Seattle-Tacoma International
17:06 George Bush Intercontinental, terminal A
4h 19m
Mon, Fri, Sat, Sun
Boeing 737
WN 3437
Southwest Airlines
13:00 Seattle-Tacoma International
21:00 William P. Hobby
6h
Mon, Tue, Wed, Thu
UA 434
United Airlines
13:58 Seattle-Tacoma International
20:19 George Bush Intercontinental, terminal C
4h 21m
Sat
Boeing 737-900
UA 434
United Airlines
14:00 Seattle-Tacoma International
20:21 George Bush Intercontinental, terminal C
4h 21m
Mon, Tue, Wed, Thu, Fri, Sun
Boeing 737-900
AS 240
Alaska Airlines
17:37 Seattle-Tacoma International
23:59 George Bush Intercontinental, terminal A
4h 22m
Daily
Boeing 737
AS 240
Alaska Airlines
23:22 Seattle-Tacoma International
05:40 George Bush Intercontinental, terminal A
4h 18m
Mon, Fri, Sat, Sun
Boeing 737

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 30 November.

FlightDepartsArrivesDurationDaysAircraft
AS 240
Alaska Airlines
18:40 Seattle-Tacoma International
00:58 George Bush Intercontinental, terminal A
4h 18m
Seasonal
Boeing 737
UA 2135
United Airlines
07:00 Seattle-Tacoma International
13:20 George Bush Intercontinental, terminal C
4h 20m
Seasonal
Boeing 737-900
UA 434
United Airlines
14:30 Seattle-Tacoma International
20:51 George Bush Intercontinental, terminal C
4h 21m
Seasonal
Boeing 737
AS 1504
Alaska Airlines
17:36 Seattle-Tacoma International
23:59 George Bush Intercontinental, terminal A
4h 23m
Seasonal
Boeing 737-900
UA 2741
United Airlines
06:15 Seattle-Tacoma International
21:00 George Bush Intercontinental, terminal C
12h 45m
Seasonal
Boeing 737
AS 240
Alaska Airlines
17:36 Seattle-Tacoma International
23:59 George Bush Intercontinental, terminal A
4h 23m
Seasonal
Boeing 737-800
AS 438
Alaska Airlines
10:09 Seattle-Tacoma International
16:32 George Bush Intercontinental, terminal A
4h 23m
Seasonal
Boeing 737
UA 2135
United Airlines
07:02 Seattle-Tacoma International
13:23 George Bush Intercontinental, terminal C
4h 21m
Seasonal
Airbus A320
AS 438
Alaska Airlines
10:45 Seattle-Tacoma International
17:04 George Bush Intercontinental, terminal A
4h 19m
Seasonal
Boeing 737-900
UA 434
United Airlines
14:01 Seattle-Tacoma International
20:21 George Bush Intercontinental, terminal C
4h 20m
Seasonal
Airbus A320
AS 240
Alaska Airlines
22:45 Seattle-Tacoma International
05:00 George Bush Intercontinental, terminal A
4h 15m
Seasonal
Boeing 737-900
UA 1046
United Airlines
14:28 Seattle-Tacoma International
20:48 George Bush Intercontinental, terminal C
4h 20m
Seasonal
Airbus A320
AS 438
Alaska Airlines
10:44 Seattle-Tacoma International
17:03 George Bush Intercontinental, terminal A
4h 19m
Seasonal
Boeing 737-900
UA 434
United Airlines
14:20 Seattle-Tacoma International
20:40 George Bush Intercontinental, terminal C
4h 20m
Seasonal
Boeing 737
AS 1301
Alaska Airlines
17:38 Seattle-Tacoma International
23:58 George Bush Intercontinental, terminal A
4h 20m
Seasonal
Boeing 737-900
AS 240
Alaska Airlines
17:38 Seattle-Tacoma International
23:58 George Bush Intercontinental, terminal A
4h 20m
Seasonal
Boeing 737-900
UA 2741
United Airlines
07:00 Seattle-Tacoma International
20:54 George Bush Intercontinental, terminal C
11h 54m
Seasonal
Boeing 737
UA 2135
United Airlines
07:03 Seattle-Tacoma International
13:21 George Bush Intercontinental, terminal C
4h 18m
Seasonal
Boeing 737
AS 438
Alaska Airlines
11:45 Seattle-Tacoma International
18:15 George Bush Intercontinental, terminal A
4h 30m
Seasonal
Boeing 737-900
AS 398
Alaska Airlines
17:40 Seattle-Tacoma International
00:03 George Bush Intercontinental, terminal A
4h 23m
Seasonal
Boeing 737-900
UA 737
United Airlines
19:32 Seattle-Tacoma International
06:51 George Bush Intercontinental, terminal C
9h 19m
Seasonal
Airbus A320
WN 2874
Southwest Airlines
05:30 Seattle-Tacoma International
14:55 William P. Hobby
7h 25m
Seasonal
Boeing 737
AS 438
Alaska Airlines
10:31 Seattle-Tacoma International
17:01 George Bush Intercontinental, terminal A
4h 30m
Seasonal
Boeing 737-900
AS 296
Alaska Airlines
17:30 Seattle-Tacoma International
23:53 George Bush Intercontinental, terminal A
4h 23m
Seasonal
Boeing 737-900
AS 398
Alaska Airlines
17:30 Seattle-Tacoma International
23:53 George Bush Intercontinental, terminal A
4h 23m
Seasonal
Boeing 737-900
UA 2741
United Airlines
06:29 Seattle-Tacoma International
20:33 George Bush Intercontinental, terminal C
12h 4m
Seasonal
Boeing 737-800
WN 3585
Southwest Airlines
10:35 Seattle-Tacoma International
17:00 William P. Hobby
4h 25m
Seasonal
Boeing 737
WN 3270
Southwest Airlines
10:30 Seattle-Tacoma International
16:55 William P. Hobby
4h 25m
Seasonal
Boeing 737
WN 3585
Southwest Airlines
12:55 Seattle-Tacoma International
19:20 William P. Hobby
4h 25m
Seasonal
WN 3709
Southwest Airlines
08:15 Seattle-Tacoma International
14:40 William P. Hobby
4h 25m
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Houston is 2 hours ahead of Seattle. The search shows seat availability and the price for your date.

Airlines flying Seattle to Houston

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Alaska Airlines14 a week United Airlines14 a week Southwest Airlines12 a week

Airports

Where flights from Seattle to Houston depart and land

Departure from Seattle

Seattle-Tacoma International SEA

40 flights a week, 11 mi (18 km) from the city centre

About the airport

Arrival in Houston

George Bush Intercontinental IAH

28 flights a week, terminals A, C, 16 mi (25 km) from the city centre

About the airport
William P. Hobby closest to the centreHOU

12 flights a week, 10 mi (16 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from Seattle to Houston?
A nonstop flight takes 4 hours 23 minutes on average, from 4h 15m to 12h 45m depending on the flight.
How far is Houston from Seattle?
1,888 mi (3,039 km) in a straight line between the cities.
Which airlines fly nonstop from Seattle to Houston?
Alaska Airlines (14 a week), United Airlines (14 a week) and Southwest Airlines (12 a week).
How many flights a day are there from Seattle to Houston?
6 flights today and 40 a week, about 5.7 a day on average.
When are the first and last flights from Seattle to Houston?
The first departure is at 05:15 (WN3434), the last at 23:22 (AS240). Local time.
What is the cheapest month to fly from Seattle to Houston?
December 2026: tickets from $96. The most expensive is November 2026, from $176.
What is the cheapest upcoming date to fly from Seattle to Houston?
29 December 2026 (Tuesday): from $96 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Seattle to Houston?
United Airlines: nonstop tickets from $155 on 29 December by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Seattle and Houston?
Houston is 2 hours ahead of Seattle. Schedule times on this page are local to each airport.
Which Seattle airport do flights to Houston leave from?
Seattle-Tacoma International (40 a week).
Which Houston airport is closest to the city centre?
William P. Hobby (HOU), 10 mi (16 km) from the city centre. Others: George Bush Intercontinental 16 mi (25 km).