Menu

Cheap flights from Houston to Seattle (IAH - SEA)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

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.

Cheap flights from Houston to Seattle in July, August 2020

The best prices found for IAH to SEA flights for July, August
21 Jul - 28 Jul
$150pp
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
29 Jul - 13 Aug
$161pp
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
29 Jul - 16 Aug
$162pp
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Houston to Seattle 2020 flight deals

Cheap flights to Seattle from Houston found for this year
13 Aug - 16 Aug
$124pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
7 Aug - 14 Aug
$125pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
5 Aug - 14 Aug
$132pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-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
13 Aug - 16 Aug
$124pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
7 Aug - 14 Aug
$125pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
Non-Stop
IAH
Houston George Bush Intcntl
5 Aug - 15 Aug
$133pp
IAH
Houston George Bush Intcntl
Spirit Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit 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
28 Jun - 9 Jul
$293pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
28 Jun - 7 Jul
$296pp
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 Jun - 13 Jul
$307pp
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
3:33 pm - 6:52 am
Multiple Airlines
1 Stop
17h 19m
IAH - SEA
Multiple Airlines
$130
Kiwi.com
10:29 am - 2:59 pm
Spirit Airlines
1 Stop
6h 30m
IAH - SEA
Spirit Airlines
$132
KAYAK
11:53 am - 8:59 pm
Delta
1 Stop
11h 06m
IAH - SEA
Delta
$133
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 $124, but on average you can expect to pay $139.

Are there nonstop flights from Houston to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston to Seattle under $200. A good price for a nonstop flight from Houston to Seattle is less than $183.

Are there last-minute flights available from Houston to Seattle for under $300?

There are currently 20+ open flights from Houston to Seattle within the next 7 days for less than $300.

What days are nonstop flights available from Houston to Seattle?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday, Friday.

How popular is this flight route?

The Houston George Bush Intcntl to Seattle flight path was viewed by 336 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for United Air Lines Inc., as currently they have the cheapest options available from Houston to Seattle. On average you can find 165 flights for this flight path daily.

How long does the flight from Houston to Seattle take?

Your journey will take you approximately 5 hours. Your flight will cover a distance of about 1,170 miles.

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

Per day, 5 flights depart from Houston George Bush Intcntl to Seattle on average.
Morning (6am - Noon) - 20% of flight departures
Afternoon (Noon - 6pm) - 80% 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.

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
Flight duration
4h 21m
Average temperature for July in Seattle
77.0 °F
Avg rainfall for July in Seattle
0.7 ″

Airports servicing Houston

Airports servicing Seattle

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

Hourly flight availability from Houston to Seattle

Morning 6 AM to noon 76% of IAH to SEA departures
Afternoon Noon to 6 PM 23% of IAH to SEA departures
Early morning Midnight to 6 AM 1% of IAH to SEA departures
Evening 6 PM to midnight 0% of IAH to SEA departures
Midnight
6 AM
Noon
6 PM