Cheap Flights from Seattle, WA to Houston, TX from $173

Return flight: Houston – Seattle

On Cheapflightsplus.com you will find 1 direct and 9 connecting flights from Seattle to Houston. You can compare airfare deals from 3 airlines and multiple travel sites from $173, book and save on cheap plane tickets and last minute offers. Also check out SEA-HOU flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Seattle to Houston depends on and how to choose the most interesting flight option for you.

Distance between Seattle and Houston is 3045 miles. Time difference between the cities is 2h. Airplanes depart 17:56 to 23:58 from 3 Seattle airports and arrive 17:56 to 23:58 to 15 Houston airports. Average flight time is 4h 15m.

  • The fastest flight 4h 15m
  • Average flight time 4h 15m
  • The earliest flight 17:56
  • The latest flight 23:58
  • Distance 1893 ml

The cheapest months to travel to Houston are september (from 173 $), august (from 175 $), october (from 179 $).

The most expensive months are june (from 242 $), july (from 240 $), october (from 179 $).

What is the lowest airfare Seattle to Houston?

The cheapest plane ticket found by our users is $173. This airfare is for economy class on one-way UA2379 flight by United Airlines for September 16, 2025 which leaves Seattle-Tacoma Intl in Seattle at 23:58 am and arrives at Houston George Bush at 06:13.

Economy class
$173
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First class
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Flight Schedule Seattle (Washington) to Houston (Texas)

17:56 — 08:34+1day
12h 38m flight time
Find flight
from$3261
17:56 — 23:59 Seattle — Dallas
AS424 Alaska Airlines
7h 11m stop
07:10 — 08:34 Dallas — Houston
AS6375 Alaska Airlines
19:34 — 05:47+1day
8h 13m flight time
Find flight
from$244
19:34 — 21:50 Seattle — San Francisco
UA737 United Airlines
2h 11m stop
23:59 — 05:45 San Francisco — Houston
UA505 United Airlines
19:34 — 06:31+1day
8h 57m flight time
Find flight
from$244
19:34 — 21:50 Seattle — San Francisco
UA737 United Airlines
2h 55m stop
00:30 — 06:30 San Francisco — Houston
UA512 United Airlines
20:08 — 05:47+1day
7h 39m flight time
Find flight
from$951
20:08 — 22:23 Seattle — San Francisco
HA6898 Hawaiian Airlines
1h 36m stop
23:59 — 05:47 San Francisco — Houston
UA505 United Airlines
22:55 — 10:55+1day
10h flight time
Find flight
from$513
22:55 — 06:58 Seattle — Washington D.C.
UA684 United Airlines
1h 37m stop
08:35 — 10:55 Washington D.C. — Houston
UA1524 United Airlines
23:10 — 12:24+1day
11h 14m flight time
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from$513
23:10 — 07:26 Seattle — Newark
UA341 United Airlines
2h 4m stop
09:30 — 12:24 Newark — Houston
UA571 United Airlines
23:16 — 22:37+1day
21h 21m flight time
Find flight
from$912
23:16 — 00:15 Seattle — Vancouver
AS2383 Alaska Airlines
9h 15m stop
09:30 — 17:24 Vancouver — Atlanta
WS1596 WestJet
4h 11m stop
21:35 — 22:37 Atlanta — Houston
WS6495 WestJet
23:54 — 09:51+1day
7h 57m flight time
Find flight
from$178
23:54 — 05:55 Seattle — Chicago
UA747 United Airlines
1h 5m stop
07:00 — 09:51 Chicago — Houston
UA1397 United Airlines
23:54 — 11:39+1day
9h 45m flight time
Find flight
from$513
23:54 — 05:55 Seattle — Chicago
UA747 United Airlines
2h 50m stop
08:45 — 11:39 Chicago — Houston
UA1945 United Airlines
23:58 — 06:13+1day
4h 15m flight time
Find flight
from$173
Seattle — Houston
UA2379 United Airlines
Full flight schedule will help you in detecting at what time planes fly from Seattle to Houston. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 22, 2025.

Popular Airlines on the Route

The flight Seattle — Houston is served by 3 regular airlines . Most of the flights on this route are operated by Alaska Airlines - 2 departures per week at the price of from $ 912 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 3261.

Direct flights

There are 1 nonstop flights on the route. The fastest direct flight is UA2379 by United Airlines takes 4h 15m and the cheapest is UA2379 by United Airlines for $173.

  • UA - United Airlines
    from $173
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Connecting Flights

There are 9 flights with layovers on the route. The fastest connecting flight is HA6898 by Hawaiian Airlines takes 7h 39m and the cheapest is UA2379 by United Airlines for $178.

  • AS - Alaska Airlines
    from $912
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  • HA - Hawaiian Airlines
    from $951
    Find
  • UA - United Airlines
    from $178
    Find
See more connecting flights

Airports

You can fly from Seattle to Houston from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
    from $173
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  • Kenmore Air Harbor SPB-LKE
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Houston airports

  • Ellington Field-EFD
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  • West Houston-IWS
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  • Hobby-HOU
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  • Park Ten Heliport-JPT
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  • Andrau Airpark-AAP
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  • George Bush-IAH
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  • Greenway Plaza H/P-JGP
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  • David Wayne Hooks-DWH
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  • Transco Twr Galleria-JGQ
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  • Westchase Hilton H/P-JWH
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  • Spaceland-SPX
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  • Woodlawns-JWL
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  • Marriot Astrodome Heliport-JMA
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  • Central Bus. District-JDX
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  • Houston Municipal-SGR
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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