Cheap Flights from Houston, TX to Seattle, WA from $113

Return flight: Seattle – Houston

On Cheapflightsplus.com you will find 7 direct and 85 connecting flights from Houston to Seattle. You can compare airfare deals from 6 airlines and multiple travel sites from $113, book and save on cheap plane tickets and last minute offers. Also check out HOU-SEA 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 Houston to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Houston and Seattle is 3045 miles. Time difference between the cities is 2h. Airplanes depart 05:00 to 22:15 from 15 Houston airports and arrive 05:00 to 22:15 to 3 Seattle airports. Average flight time is 4h 47m.

  • The fastest flight 4h 40m
  • Average flight time 4h 47m
  • The earliest flight 05:00
  • The latest flight 22:15
  • Distance 1893 ml

The cheapest months to travel to Seattle are july (from 113 $), august (from 113 $), june (from 122 $).

The most expensive months are november (from 249 $), december (from 181 $), september (from 173 $).

What is the lowest airfare Houston to Seattle?

The cheapest plane ticket found by our users is $113. This airfare is for economy class on one-way F91489 flight by Frontier Airlines for August 7, 2025 which leaves George Bush in Houston at 17:12 am and arrives at Seattle Seattle-Tacoma Intl at 14:06.

Economy class
$113
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Business class
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First class
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Flight Schedule Houston (Texas) to Seattle (Washington)

05:45 — 13:25
9h 40m flight time
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from$191
05:40 — 07:49 Houston — San Francisco
UA1111 United Airlines
3h 22m stop
11:10 — 13:28 San Francisco — Seattle
UA433 United Airlines
06:00 — 08:40
4h 40m flight time
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from$134
Houston — Seattle
AS453 Alaska Airlines
06:00 — 08:40
4h 40m flight time
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from$151
Houston — Seattle
HA4895 Hawaiian Airlines
07:35 — 10:22
4h 47m flight time
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from$238
Houston — Seattle
UA1894 United Airlines
08:40 — 14:58
8h 18m flight time
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from$205
08:40 — 09:23 Houston — Phoenix
AS6474 Alaska Airlines
2h 29m stop
11:52 — 14:58 Phoenix — Seattle
AS603 Alaska Airlines
09:57 — 12:46
4h 49m flight time
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from$238
Houston — Seattle
UA2606 United Airlines
10:07 — 15:15
7h 8m flight time
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from$184
09:59 — 11:35 Houston — Dallas
AS6511 Alaska Airlines
1h 21m stop
13:00 — 15:17 Dallas — Seattle
AS543 Alaska Airlines
12:05 — 17:34
7h 29m flight time
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from$207
12:05 — 13:39 Houston — Dallas
AS6346 Alaska Airlines
1h 40m stop
15:19 — 17:34 Dallas — Seattle
AS415 Alaska Airlines
16:25 — 19:14
4h 49m flight time
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from$238
Houston — Seattle
UA774 United Airlines
17:12 — 14:06+1day
22h 54m flight time
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from$113
17:08 — 18:35 Houston — Las Vegas
F91489 Frontier Airlines
16h 47m stop
11:19 — 14:16 Las Vegas — Seattle
F92407 Frontier Airlines
17:50 — 21:54
6h 4m flight time
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from$190
17:50 — 20:15 Houston — Portland
HA7421 Hawaiian Airlines
44m stop
20:59 — 21:54 Portland — Seattle
HA6567 Hawaiian Airlines
17:50 — 21:54
6h 4m flight time
Find flight
from$199
17:50 — 20:15 Houston — Portland
AS1421 Alaska Airlines
44m stop
20:59 — 21:54 Portland — Seattle
AS2190 Alaska Airlines
18:25 — 21:12
4h 47m flight time
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from$238
Houston — Seattle
UA382 United Airlines
19:50 — 22:37
4h 47m flight time
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from$173
Houston — Seattle
UA2456 United Airlines
22:04 — 00:34+2days
28h 30m flight time
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from$125
22:04 — 23:48 Houston — Denver
F93227 Frontier Airlines
22h 41m stop
22:29 — 00:34 Denver — Seattle
F93405 Frontier Airlines
Full flight schedule will help you in detecting at what time planes fly from Houston to Seattle. 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 Houston — Seattle is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 10 departures per week at the price of from $ 134 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 3317.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is AS453 by Alaska Airlines takes 4h 40m and the cheapest is F91489 by Frontier Airlines for $134.

  • AS - Alaska Airlines
    from $134
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  • HA - Hawaiian Airlines
    from $151
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  • UA - United Airlines
    from $173
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See more direct flights

Connecting Flights

There are 85 flights with layovers on the route. The fastest connecting flight is HA7421 by Hawaiian Airlines takes 6h 4m and the cheapest is F91489 by Frontier Airlines for $113.

  • AS - Alaska Airlines
    from $184
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  • F9 - Frontier Airlines
    from $113
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  • SY - Sun Country Airlines
    from $237
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  • HA - Hawaiian Airlines
    from $190
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  • UA - United Airlines
    from $191
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  • NK - Spirit Airlines
    from $218
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See more connecting flights

Airports

You can fly from Houston to Seattle from 15 airports (Ellington Field, West Houston, Hobby, Park Ten Heliport, Andrau Airpark, George Bush, Greenway Plaza H/P, David Wayne Hooks, Transco Twr Galleria, Westchase Hilton H/P, Spaceland, Woodlawns, Marriot Astrodome Heliport, Central Bus. District, Houston Municipal).

Houston airports

  • Ellington Field-EFD
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  • West Houston-IWS
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  • Hobby-HOU
    from $237
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  • Park Ten Heliport-JPT
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  • Andrau Airpark-AAP
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  • George Bush-IAH
    from $113
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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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Seattle airports

  • Boeing Field International Airport-BFI
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  • Seattle-Tacoma Intl-SEA
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  • Kenmore Air Harbor SPB-LKE
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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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