Cheap Flights from Houston, TX to Seattle, WA from $122

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 $122, 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.

Find One-Way and Round-Trip Houston to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $122 (one-way), $209 (round-trip).
Direct flights
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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 Arrival Flight Details Flight Duration Price
05:45 — 13:25
05:40 — 07:49 UA1111 United Airlines
Houston — San Francisco
3h 22m stop
11:10 — 13:28 UA433 United Airlines
San Francisco — Seattle
9h 40m
including layover
Find flight
from$192
06:00 — 08:40
06:00 — 08:40 AS453 Alaska Airlines
Houston — Seattle
4h 40m
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from$134
06:00 — 08:40
06:00 — 08:40 HA4895 Hawaiian Airlines
Houston — Seattle
4h 40m
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from$151
07:35 — 10:22
07:35 — 10:22 UA1894 United Airlines
Houston — Seattle
4h 47m
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from$239
08:40 — 14:58
08:40 — 09:23 AS6474 Alaska Airlines
Houston — Phoenix
2h 29m stop
11:52 — 14:58 AS603 Alaska Airlines
Phoenix — Seattle
8h 18m
including layover
Find flight
from$206
09:57 — 12:46
09:57 — 12:46 UA2606 United Airlines
Houston — Seattle
4h 49m
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from$239
10:07 — 15:15
09:59 — 11:35 AS6511 Alaska Airlines
Houston — Dallas
1h 21m stop
13:00 — 15:17 AS543 Alaska Airlines
Dallas — Seattle
7h 8m
including layover
Find flight
from$184
12:05 — 17:34
12:05 — 13:39 AS6346 Alaska Airlines
Houston — Dallas
1h 40m stop
15:19 — 17:34 AS415 Alaska Airlines
Dallas — Seattle
7h 29m
including layover
Find flight
from$207
16:25 — 19:14
16:25 — 19:14 UA774 United Airlines
Houston — Seattle
4h 49m
Find flight
from$239
17:12 — 14:06
+1 day
17:08 — 18:35 F91489 Frontier Airlines
Houston — Las Vegas
16h 47m stop
11:19 — 14:16 F92407 Frontier Airlines
Las Vegas — Seattle
22h 54m
including layover
Find flight
from$113
17:50 — 21:54
17:50 — 20:15 HA7421 Hawaiian Airlines
Houston — Portland
44m stop
20:59 — 21:54 HA6567 Hawaiian Airlines
Portland — Seattle
6h 4m
including layover
Find flight
from$191
17:50 — 21:54
17:50 — 20:15 AS1421 Alaska Airlines
Houston — Portland
44m stop
20:59 — 21:54 AS2190 Alaska Airlines
Portland — Seattle
6h 4m
including layover
Find flight
from$200
18:25 — 21:12
18:25 — 21:12 UA382 United Airlines
Houston — Seattle
4h 47m
Find flight
from$239
19:50 — 22:37
19:50 — 22:37 UA2456 United Airlines
Houston — Seattle
4h 47m
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from$173
22:04 — 00:34
+2 days
22:04 — 23:48 F93227 Frontier Airlines
Houston — Denver
22h 41m stop
22:29 — 00:34 F93405 Frontier Airlines
Denver — Seattle
28h 30m
including layover
Find flight
from$126
*Departure and arrival times - local. Updated on September 12, 2025

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

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 $ 3328.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is AS453 by Alaska Airlines takes 4h 40m.

  • AS - Alaska Airlines
    from $134
    Find
  • HA - Hawaiian Airlines
    from $151
    Find
  • UA - United Airlines
    from $173
    Find
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.

  • AS - Alaska Airlines
    from $184
    Find
  • F9 - Frontier Airlines
    from $113
    Find
  • SY - Sun Country Airlines
    from $238
    Find
  • HA - Hawaiian Airlines
    from $191
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  • UA - United Airlines
    from $192
    Find
  • 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 $238
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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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