Cheap flights from Houston to Seattle (IAH - SEA)

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The best prices from Houston to Seattle are usually found in August or April, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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

All the information you need to plan the best IAH to SEA flight in 2021: compare Houston to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
IAH - SEA
Price
$205 - $327
SEA
Temperature
46.4 - 77 °F
SEA
Rainfall
0.7 - 6.5 inches

Popular in

December

High demand for flights, 22% potential price rise

Cheapest in

August

Best time to find cheap flights, 19% potential price drop

Round-trip from

$205

From Houston to Seattle

One-way from

$114

One-way flight from Houston to Seattle

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Houston to Seattle?

Travelers have found that booking a Tuesday departure is the best way to save up to 25% 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 71% by booking at least 28 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 $123.

What is the cheapest month to fly from Houston to Seattle?

The best pricing can be found in the month of April. Prices to Seattle from Houston average $115. You can even find prices in April for less than $115, as users have found deals to Seattle from as low as $36. The month of December appears to be one of the more expensive times to travel to Seattle from Houston. Flying in the targeted month can save you up to 22%.

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

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 15% versus a flight in the morning.

Cheap flights from Houston to Seattle in May, June 2021

The best prices found for IAH to SEA flights for May, June
25 May - 5 Jun
$143pp
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
25 May - 5 Jun
$144pp
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
24 May - 26 May
$145pp
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

Houston to Seattle 2021 flight deals

Cheap flights to Seattle from Houston found for this year
25 May - 5 Jun
$143pp
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
25 May - 5 Jun
$144pp
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
24 May - 26 May
$145pp
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

Non-stop flights to Seattle from Houston

Save time with Houston to Seattle direct flight deals
4 Sep - 9 Sep
$286pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
23 Oct - 26 Oct
$289pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
4 Sep - 18 Sep
$290pp
IAH
Houston George Bush Intcntl
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United 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
24 May - 26 May
$145pp
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
22 May - 24 May
$147pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
22 May - 24 May
$158pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl

One-way flights to Seattle from Houston

The cheapest one-way flights from Houston to Seattle
6:50 pm - 7:54 pm
Multiple Airlines
1 Stop
27h 04m
IAH - SEA
Multiple Airlines
$114
Kiwi.com
8:50 am - 2:19 pm
Frontier
1 Stop
7h 29m
IAH - SEA
Frontier
$120
Kiwi.com
6:15 am - 3:07 pm
Spirit Airlines
1 Stop
10h 52m
IAH - SEA
Spirit Airlines
$123
CheapOair

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Houston</span> to <span class="emphasized">Seattle</span> 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.

What safety measures are being taken by airlines flying from Houston George Bush Intcntl to Seattle/Tacoma Intl to control the spread of COVID-19?

Alaska Airlines is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Houston George Bush Intcntl to Seattle/Tacoma Intl are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Houston George Bush Intcntl to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Spirit Airlines, United Airlines, and Alaska Airlines flying from Houston George Bush Intcntl to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

What airports do I use to fly from Houston to Seattle?

To fly from Houston to Seattle, you need to book a flight from George Bush Intcntl (IAH) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Houston George Bush Intcntl take 4h 34m on average. When it comes time to book airfare, you have a few options: there are 4 outbound flights from George Bush Intcntl to Seattle/Tacoma Intl offered by 7 different airlines.

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 $128, but on average you can expect to pay $162.

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 $305.

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?

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Friday.

How popular is this flight route?

The Houston George Bush Intcntl to Seattle/Tacoma Intl flight path was viewed by 332 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

4 flight departures from Houston George Bush Intcntl to Seattle/Tacoma Intl per day on average.
Morning (6am - Noon) - 75% of flight departures
Afternoon (Noon - 6pm) - 25% of flight departures

Does it rain more in Houston or Seattle?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Houston is roughly greater than that of Seattle. You can assume this to be the case over the next 12 days.

Is Houston weather warmer or cooler than Seattle?

You can imagine temperatures to be in the 86 °F range in August. The weather in Seattle is generally colder than Houston's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from Houston to Seattle?

There are many flights that can get you from Houston to Seattle in 9h 26m. Fly via Spirit Airlines to get the fastest option. Airlines will cover a distance of 1883 mi.

What are the cheapest airlines flying from Houston to Seattle round-trip?

According to our current data, Spirit Airlines ($128), and Frontier ($157) offers the cheapest pricing from Houston to Seattle. These flights start at 49% lower than the current average price 3 months from now.

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 ($48) and Frontier ($86).

Alternative routes for Houston to Seattle

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Houston to Seattle.
Average temperature for May in Seattle
66.2 °F
Avg rainfall for May in Seattle
1.8 ″

Airports servicing Houston

Airports servicing Seattle

Top 6 airlines flying from Houston to Seattle

The chart below displays the airlines Cheapflights users traveling from Houston to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$89 $217 No cancel fee 65%
Frontier
$100 $241 No cancel fee 62%
Delta
$112 $258 No cancel fee N/A
American Airlines
$90 $270 No cancel fee 71%
Alaska Airlines
$110 $289 No cancel fee 75%
United Airlines
$118 $338 No cancel fee 69%

Hourly flight availability from Houston to Seattle

See what time of day planes typically take off from Houston towards Seattle.
Morning 6 AM to noon 48% of IAH to SEA departures
Evening 6 PM to midnight 36% of IAH to SEA departures
Afternoon Noon to 6 PM 16% of IAH to SEA departures
Early morning Midnight to 6 AM 0% of IAH to SEA departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Houston to Seattle
See how many times per day planes take to the skies headed from Houston to Seattle.
Sunday
3 daily flights
Monday
5 daily flights
Tuesday
3 daily flights
Wednesday
6 daily flights
Thursday
6 daily flights
Friday
6 daily flights
Saturday
3 daily flights
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