Cheap flights from Houston to Seattle (IAH - SEA)

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The best prices from Houston to Seattle/Tacoma Intl are usually found in August or April, booked 27 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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.
HO1 - SEA
Price
$184 - $325
SEA
Temperature
41 - 66.2 °F
SEA
Precipitation
0.7 - 6.6 inches

Popular in

December

High demand for flights, 19% potential price rise

Cheapest in

August

Best time to find cheap flights, 30% potential price drop

Round-trip from

$184

From Houston to Seattle/Tacoma Intl

One-way from

$70

One-way flight from Houston to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Houston to Seattle (HO1 - 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 11% versus a flight in the morning.

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

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

August can be a great time to fly to Seattle from Houston with a flight ticket averaging about $263. Cheapflights users have found deals in the month of August for as cheap as $118. The most expensive prices can be found in the month of December.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 28 days in advance, which can save you up to 62% on flights from Houston to Seattle compared to booking the week you need them. Waiting 28 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $291. For sooner than that we have options available in the next 3 days from $430.

Cheap flights from Houston to Seattle in October, November 2021

The best prices found for IAH to SEA flights for October, November
10 Nov - 15 Nov
$69pp
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
26 Oct - 16 Nov
$76pp
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
2 Nov - 8 Nov
$77pp
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
10 Nov - 15 Nov
$69pp
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
26 Oct - 16 Nov
$76pp
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
2 Nov - 8 Nov
$77pp
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
6 Nov - 13 Nov
$197pp
IAH
Houston George Bush Intcntl
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAH
Houston George Bush Intcntl
22 Nov - 30 Nov
$207pp
IAH
Houston George Bush Intcntl
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAH
Houston George Bush Intcntl
11 Nov - 13 Nov
$213pp
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
26 Oct - 16 Nov
$76pp
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
26 Oct - 3 Nov
$80pp
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
28 Oct - 1 Nov
$86pp
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

One-way flights to Seattle/Tacoma Intl from Houston

The cheapest one-way flights from Houston to Seattle
6:45 pm - 8:09 pm
Multiple Airlines
1 Stop
28h 24m
IAH - SEA
Multiple Airlines
$70
Kiwi.com
7:15 pm - 5:00 am
Frontier
1 Stop
11h 45m
IAH - SEA
Frontier
$75
JustFly
6:45 pm - 12:20 pm
Spirit Airlines
2 Stops
19h 35m
IAH - SEA
Spirit Airlines
$83
Gotogate

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

What airport do you fly into for flights to Seattle from Houston?

Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Houston. On average, Seattle/Tacoma Intl has 0 inbound flights from Houston per day from 7 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

Spirit Airlines, United Airlines, and Alaska Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Houston to Seattle for under $100 on Cheapflights?

Yes, there are multiple flights from Houston to Seattle for under $100. The cheapest flight booked recently is on Spirit Airlines for just $69, but on average you can expect to pay $93.

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 $253.

Are there last-minute flights available from Houston to Seattle for under $100?

There are currently 20+ open flights from Houston to Seattle within the next 7 days for less than $100.

What days are nonstop flights available from Houston to Seattle?

Nonstop flights can be found on the following days: Saturday.

How popular is this Houston to Seattle flight route?

This flight path from Houston to Seattle/Tacoma Intl 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?

On average 1 flight departs from Houston to Seattle per day.
Afternoon (Noon - 6pm) - 100% of flight departures

How long is the flight from Houston to Seattle?

Departing from Houston to Seattle will take you 15h 01m. The distance from Houston to Seattle is about 1883 mi.

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

Currently priced at $69, Spirit Airlines will fly you from Houston to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Users have found that Spirit Airlines is 73% cheaper than the other options available to this destination.

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

$32 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Alaska Airlines, with prices starting from $75 and $78, respectively.

What are the most popular airlines that fly from Houston to Seattle?

Consider Major Airline, American Airlines or Alaska Airlines when booking your flight. These represent the most popular airlines when flying from Houston to Seattle.

What are the cheapest flights from Houston to Seattle?

While on average a flight from Houston to Seattle is generally $657, our data shows the cheapest flight currently is $74. When looking at the most popular route, (Houston Hobby - Seattle/Tacoma Intl), you can expect to pay $69 for that flight.

What are the most reliable airlines from Houston to Seattle?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Houston to Seattle on time: Qatar Airways (97%), Alaska Airlines (89%), Singapore Airlines (89%).

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Houston?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Houston need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Houston from Seattle?

Returning to Houston from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Houston.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Houston.

Hide COVID Travel Restrictions for Seattle, WA

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 October in Seattle
60.8 °F
Avg rainfall for October in Seattle
3.5 ″

Airports servicing Houston

Airports servicing Seattle

Top 6 airlines flying from Houston to Seattle/Tacoma Intl

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 $227 No cancel fee 65%
American Airlines
$90 $349 No cancel fee 71%
Frontier
$98 $241 No cancel fee 62%
Alaska Airlines
$110 $291 No cancel fee 75%
United Airlines
$111 $363 No cancel fee 69%
Delta
$112 $275 No cancel fee N/A

Hourly flight availability from Houston to Seattle

See what time of day planes typically take off from Houston towards Seattle.
Afternoon Noon to 6 PM 57% of IAH to SEA departures
Morning 6 AM to noon 21% of IAH to SEA departures
Evening 6 PM to midnight 21% of IAH to SEA departures
Early morning Midnight to 6 AM 1% 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
2 daily flights
Monday
0 flights
Tuesday
0 flights
Wednesday
0 flights
Thursday
0 flights
Friday
0 flights
Saturday
1 daily flight
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