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Cheap flights from Houston to Seattle (IAH - SEA)

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How to find the cheapest flight from
Houston (IAH) to Seattle (SEA)

What is the cheapest day to fly round-trip from Houston to Seattle?

Travelers have found that booking a Monday departure is the best way to save up to 29% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Houston to Seattle?

Find a great deal and save up to 58% by booking at least 27 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Houston to Seattle within the next two weeks, with the cheapest ticket starting at $136.

When is the cheapest time to fly from Houston to Seattle (IAH - 03A)?

When flying from Houston to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight in the afternoon.

Cheap flights from Houston to Seattle in September, October 2020

The best prices found for IAH to SEA flights for September, October
10 Oct - 12 Oct
$139pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
28 Oct - 3 Nov
$140pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
19 Oct - 23 Oct
$142pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl

Houston to Seattle 2020 flight deals

Cheap flights to Seattle from Houston found for this year
7 Nov - 10 Nov
$132pp
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
6 Nov - 10 Nov
$138pp
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
10 Oct - 12 Oct
$139pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl

Non-stop flights to Seattle from Houston

Save time with Houston to Seattle direct flight deals
28 Oct - 4 Nov
$249pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAH
Houston George Bush Intcntl
1 Dec - 8 Dec
$257pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAH
Houston George Bush Intcntl
19 Oct - 21 Oct
$259pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Last minute flights from Houston to Seattle

Late deals on round-trip flights to Seattle from Houston, departing today and this week
9 Oct - 12 Oct
$163pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
7 Oct - 5 Nov
$174pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
     
3 STOPS
IAH
Houston George Bush Intcntl
7 Oct - 3 Nov
$178pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl

One-way flights to Seattle from Houston

The cheapest one-way flights from Houston to Seattle
1:55 pm - 6:37 am
Multiple Airlines
3 Stops
42h 42m
IAH - SEA
Multiple Airlines
$229
Kiwi.com
3:45 am - 3:45 pm
Delta
2 Stops
14h 00m
IAH - SEA
Delta
$303
Delta

Related info for your journey

Useful info, stats and facts about Houston to Seattle flights.

Flight FAQs

From Houston to Seattle

Are flight prices decreasing from Houston to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Houston and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Houston to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Houston to Seattle for under $200. The cheapest flight booked recently is on Spirit Airlines for just $132, but on average you can expect to pay $149.

Are there nonstop flights from Houston to Seattle for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston to Seattle under $300. A good price for a nonstop flight from Houston to Seattle is less than $296.

Are there last-minute flights available from Houston to Seattle for under $200?

There are currently 20+ open flights from Houston to Seattle within the next 7 days for less than $200.

What days are nonstop flights available from Houston to Seattle?

Nonstop flights can be found on the following days: Sunday, Thursday.

How many flights depart from Houston to Seattle on average per day?

Per day, 2 flights depart from Houston George Bush Intcntl to Seattle on average.
Afternoon (Noon - 6pm) - 50% of flight departures
Evening (6pm - Midnight) - 50% of flight departures

Is Houston weather warmer or cooler than Seattle?

Our data indicates that the weather will be 86 °F on average in the month of August. The temperature in Seattle is typically colder than in Houston. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Houston to Seattle?

There are many flights that can get you from Houston to Seattle in 7h 23m. Fly via Spirit Airlines to get the fastest option. Airlines will cover a distance of 1883 mi.

What is the cheapest airline to fly from Houston to Seattle round-trip?

According to our current data, Spirit Airlines ($132), offers the cheapest pricing from Houston to Seattle.

What are the cheapest airlines to fly from Houston to Seattle one-way?

The cheapest airlines for a one-way flight from Houston to Seattle are Spirit Airlines ($96) and Delta ($133).

Alternative routes for Houston to Seattle

Destination information for Seattle

Things to know before you go. Useful info for your trip from Houston to Seattle
Average temperature for September in Seattle
73.4 °F
Avg rainfall for September in Seattle
1.0 ″

Airports servicing Houston

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)

Hourly flight availability from Houston to Seattle

Evening 6 PM to midnight 45% of IAH to SEA departures
Afternoon Noon to 6 PM 32% of IAH to SEA departures
Morning 6 AM to noon 22% of IAH to SEA departures
Early morning Midnight to 6 AM 1% of IAH to SEA departures
Midnight
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6 PM
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