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 2022: compare Houston to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
IAH - SEA
Price
$184 - $325
SEA
Temperature
41 - 66.2 °F
SEA
Rainfall
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

$169

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 (IAH - SEA)?

It’s typically best to fly out from Houston to Seattle in the evening. Doing so could potentially save you 11% on the flight price compared to flying in the morning, which is usually more expensive.

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

Monday is generally a great day to depart. Flying on this day could help you save up to 37%.

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

Find a great deal and save up to 62% 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 $291.

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

The best pricing can be found in the month of August. Prices to Seattle from Houston average $263. You can even find prices in August for less than $263, as users have found deals to Seattle from as low as $118. 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 23%.

Cheap flights from Houston to Seattle in May, June 2022

The best prices found for IAH to SEA flights for May, June
11 Jun - 14 Jun
$295pp
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
9 Jun - 14 Jun
$313pp
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 Jun - 14 Jun
$348pp
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 2022 flight deals

Cheap flights to Seattle from Houston found for this year
17 Aug - 24 Aug
$255pp
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
14 Sep - 24 Sep
$260pp
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
   
2 STOPS
IAH
Houston George Bush Intcntl
17 Aug - 27 Aug
$262pp
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
13 Sep - 19 Sep
$338pp
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 Aug - 31 Aug
$358pp
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
23 Aug - 4 Sep
$361pp
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

Last minute flights from Houston to Seattle

Late deals on round-trip flights to Seattle from Houston, departing today and this week
2 Jun - 10 Jun
$395pp
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
3 Jun - 15 Jun
$402pp
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 Jun - 6 Jun
$413pp
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/Tacoma Intl from Houston

The cheapest one-way flights from Houston to Seattle
3:55 pm - 6:35 pm
United Airlines
Nonstop
4h 40m
IAH - SEA
United Airlines
$169
United
1:20 am - 6:45 am
American Airlines
1 Stop
7h 25m
HOU - SEA
American Airlines
1:35 pm - 4:17 pm
Alaska Airlines
Nonstop
4h 42m
IAH - SEA
Alaska Airlines

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 8 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?

United Airlines, Alaska Airlines, and Spirit 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 $300 on Cheapflights?

Yes, there are multiple flights from Houston to Seattle for under $300. The cheapest flight booked recently is on Spirit Airlines for just $255, but on average you can expect to pay $283.

Are there nonstop flights from Houston to Seattle for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston to Seattle under $400. A good price for a nonstop flight from Houston to Seattle is less than $412.

Are there last-minute flights available from Houston to Seattle for under $400?

There are currently 20+ open flights from Houston to Seattle within the next 7 days for less than $400.

What days are nonstop flights available from Houston to Seattle?

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

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.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Houston to Seattle?

Departing from Houston to Seattle will take you 8h 35m. The distance from Houston to Seattle is about 1883 mi. This flight may include one or multiple stops.

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

Currently priced at $255, 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. Search Cheapflights for deals from Delta and Frontier - these airlines can fly you to your destination from $276 and $319, respectively. Users have found that Spirit Airlines is 2% cheaper than the other options available to this destination.

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

$136 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 Delta and United Airlines, with prices starting from $158 and $169, respectively.

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: EVA Air (94%), Qatar Airways (86%), United Airlines (85%).

What are the cheapest flights from Houston to Seattle?

While on average a flight from Houston to Seattle is generally $1,046, our data shows the cheapest flight currently is $160. When looking at the most popular route, (Houston Hobby - Seattle/Tacoma Intl), you can expect to pay $255 for that flight.

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

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

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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) 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 May in Seattle
66.2 °F
Avg rainfall for May in Seattle
1.8 ″

Airports servicing Houston

Airports servicing Seattle

Top 7 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
Juneyao Airlines
$15 $22 No cancel fee 66%

We couldn't confirm the COVID-19 safety measures taken by Juneyao Airlines. Please check directly on their website for additional information.

Spirit Airlines
$68 $263 No cancel fee 65%
Frontier
$91 $212 No cancel fee 62%
Alaska Airlines
$145 $317 No cancel fee 75%
United Airlines
$158 $349 No cancel fee 69%
American Airlines
$161 $487 No cancel fee 71%
Delta
$192 $350 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.
Morning 6 AM to noon 33% of IAH to SEA departures
Afternoon Noon to 6 PM 33% of IAH to SEA departures
Evening 6 PM to midnight 33% 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
1 daily flight
Monday
1 daily flight
Tuesday
1 daily flight
Wednesday
1 daily flight
Thursday
1 daily flight
Friday
1 daily flight
Saturday
0 flights
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