Cheap flights from Seattle to Houston (SEA - IAH)

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The best prices from Seattle/Tacoma Intl to Houston are usually found in August or July, booked 22 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

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

All the information you need to plan the best SEA to IAH flight in 2021: compare Seattle to Houston flight prices with the expected peak season, weather and rainfall in Houston.
SEA - HO1
Price
$182 - $365
HO1
Temperature
53.6 - 84.2 °F
HO1
Precipitation
3.2 - 5.9 inches

Popular in

December

High demand for flights, 28% potential price rise

Cheapest in

August

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

Round-trip from

$182

From Seattle/Tacoma Intl to Houston

One-way from

$77

One-way flight from Seattle/Tacoma Intl to Houston

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 Seattle to Houston (SEA - HO1)?

One of the essential ways to save on airfare from Seattle to Houston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 27% on airfare.

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

Flights from Seattle to Houston lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Houston in August, with the cheapest ticket starting at $102.

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

Travelers have found it’s best to book a flight 21 days in advance to save up to 41% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 21 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Houston 1-2 weeks in advance for as low as $279, or $389 for flights within the next 24 hours.

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

Saturday flights are found to be more expensive to fly from Seattle to Houston. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Houston.

Cheap flights from Seattle to Houston in October, November 2021

The best prices found for SEA to IAH flights for October, November
26 Oct - 3 Nov
$77pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
26 Oct - 2 Nov
$80pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
26 Oct - 3 Nov
$81pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Houston 2021 flight deals

Cheap flights to Houston from Seattle found for this year
26 Oct - 3 Nov
$77pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
26 Oct - 2 Nov
$80pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
26 Oct - 3 Nov
$81pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to Houston from Seattle

Save time with Seattle to Houston direct flight deals
13 Nov - 4 Dec
$197pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
27 Oct - 28 Oct
$212pp
SEA
Seattle/Tacoma Intl
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
2 Nov - 2 Mar
$213pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Houston

Late deals on round-trip flights to Houston from Seattle, departing today and this week
19 Oct - 10 Nov
$77pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Oct - 30 Oct
$117pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Oct - 26 Oct
$121pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Houston from Seattle

The cheapest one-way flights from Seattle to Houston
8:49 pm - 8:17 am
Frontier
1 Stop
9h 28m
SEA - IAH
Frontier
$77
Kiwi.com
9:20 am - 8:12 pm
Spirit Airlines
1 Stop
8h 52m
SEA - IAH
Spirit Airlines
$80
Spirit
5:15 pm - 7:02 am
Multiple Airlines
1 Stop
11h 47m
SEA - IAH
Multiple Airlines
$81
Kiwi.com

Related info for your journey

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

Flight FAQs

From Seattle to Houston

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

Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Houston from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Houston should be relatively easy as there are 0 daily outbound flights to Houston from 7 different airlines.

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

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

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

Yes, there are multiple flights from Seattle to Houston for under $100. The cheapest flight booked recently is on Spirit Airlines for just $77, but on average you can expect to pay $95.

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

Cheapflights has at least 20 direct flights from Seattle to Houston under $200. A good price for a nonstop flight from Seattle to Houston is less than $289.

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

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

How popular is this Seattle to Houston flight route?

Flights from Seattle/Tacoma Intl to Houston have been viewed 229 times in the past calendar month.

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

Spirit Airlines, at $77, was found to be the cheapest airline from Seattle to Houston.. This flight start at 70% lower than the current average price 3 months from now.

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

Before booking your flight from Seattle to Houston check out the most popular airlines for this route: Major Airline, American Airlines or Alaska Airlines.

What are the cheapest flights from Seattle to Houston?

While on average a flight from Seattle to Houston is generally $548, our data shows the cheapest flight currently is $82. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $77 for that flight.

What are the most reliable airlines from Seattle to Houston?

Before booking your flight to Houston from Seattle, check out the most reliable airlines to get you to your destination on time: Asiana Airlines (93%), United Airlines (84%), EVA Air( 84%).

COVID Restrictions

View COVID Travel Restrictions for Houston, TX

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

Information is based on travel restrictions for travel to Houston within the United States

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

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.

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

Returning to Seattle/Tacoma Intl from Houston

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.

Hide COVID Travel Restrictions for Houston, TX

Alternative routes for Seattle to Houston

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

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Seattle to Houston.
Average temperature for October in Houston
77.0 °F

Airports servicing Seattle

Airports servicing Houston

Top 6 airlines flying from Seattle/Tacoma Intl to Houston

The chart below displays the airlines Cheapflights users traveling from Seattle to Houston 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
Frontier
$68 $217 No cancel fee 62%
Spirit Airlines
$85 $230 No cancel fee 65%
American Airlines
$90 $394 No cancel fee 71%
Delta
$112 $354 No cancel fee N/A
Alaska Airlines
$117 $307 No cancel fee 75%
United Airlines
$118 $385 No cancel fee 69%

Hourly flight availability from Seattle to Houston

See what time of day planes typically take off from Seattle towards Houston.
Morning 6 AM to noon 68% of SEA to IAH departures
Afternoon Noon to 6 PM 20% of SEA to IAH departures
Evening 6 PM to midnight 11% of SEA to IAH departures
Early morning Midnight to 6 AM 1% of SEA to IAH departures
Midnight
6 AM
Noon
6 PM
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