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Cheap Flights from Houston (IAH) to Seattle (SEA)

Looking for a cheap last-minute deal or the best round-trip flight from Houston to Seattle? Find the biggest savings on one-way and round-trip tickets right here.

Good to know

Useful information for finding cheap flights from George Bush Intercontinental Houston to Seattle Tacoma International and booking your next trip

Cheapest Round Trip Flight

$311

F9 Frontier Airlines • 1 stop • 37h 39m

Jun 28 – Jul 02

The cheapest round trip flight from George Bush Intercontinental Houston to Seattle Tacoma International is currently $311

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Cheapest One way Flight

$249

AS Alaska Airlines • 1 stop • 13h 26m

Jul 03

The cheapest one way flight from George Bush Intercontinental Houston to Seattle Tacoma International is currently $249

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Cheapest Direct Flight

$518

AS Alaska Airlines • nonstop • 7h 20m

Jun 28

The cheapest nonstop flight from George Bush Intercontinental Houston to Seattle Tacoma International is currently $518

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Fastest Flight

7h 20m

The fastest nonstop flight from George Bush Intercontinental Houston to Seattle Tacoma International takes 7h 20m

Recent airfare deals on Houston to Seattle

Jun 28 - Jul 02, Economy
F9
Houston → Seattle
37h 39m
5:12 PM - 2:11 PM • 1 stop
F9
Houston → Seattle
25h 18m
6:25 AM - 11:43 PM • 1 stop
$311
Frontier Airlines
Jun 28 - Jul 02, Economy
NK
Houston → Seattle
40h 38m
4:25 PM - 3:03 PM • 1 stop
NK
Houston → Seattle
18h 42m
3:58 PM - 5:20 AM • 1 stop
$362
Spirit Airlines
Jun 28 - Jul 02, Economy
AS
Houston → Seattle
10h 4m
5:50 PM - 9:54 PM • 1 stop
AS
Houston → Seattle
9h 15m
8:55 AM - 4:50 PM • 1 stop
$530
Alaska Airlines
Jun 28 - Jul 02, Economy
DL
Houston → Seattle
15h 1m
11:47 AM - 6:48 PM • 1 stop
DL
Houston → Seattle
9h 5m
9:43 AM - 5:28 PM • 1 stop
$816
Delta Airlines
Jun 28 - Jul 02, Economy
DL
Houston → Seattle
12h 30m
2:45 PM - 8:35 PM • 1 stop
DL
Houston → Seattle
10h 8m
1:30 PM - 9:38 PM • 1 stop
$816
Delta Airlines
Jun 28 - Jul 02, Economy
AS
Houston → Seattle
10h 4m
5:50 PM - 9:54 PM • 1 stop
AS
Houston → Seattle
6h 59m
5:40 PM - 11:59 PM • nonstop
$906
Alaska Airlines

Facts to know while booking flights from Houston to Seattle

What are the airports in Houston?
IAH
What’s the most popular airline flying from IAH to SEA?
The most popular airline flying from Houston to Seattle are
Can I fly from IAH to SEA non-stop?
Yes, you can fly IAH to SEA non-stop on
Which airlines fly nonstop between Houston and Seattle?
The non-stop flights between Houston and Seattle are .
What’s the earliest departure time from IAH to SEA Airport?
The earliest flight leaves IAH at 6:00 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Houston to Seattle flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAH to SEA?
Read the fare rules of the Houston to Seattle air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Houston and Seattle?
operate flights between Houston and Seattle
How long does a flight from Houston to Seattle take?
It takes approximately 4 hour to fly non-stop from IAH to SEA, which is 1873.81 miles by air.
Which airlines provide the cheapest flights from Houston (IAH) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from IAH were found on ('UA') : USD 406
Do I need a passport to fly between IAH and SEA?
No
What’s the latest departure time from IAH to SEA ?
The last flight leaves IAH at 7:10 pm

Essential Information for Booking Flights from Houston (IAH) - AI Insights

What's the cheapest airline from iah to sea?
Frontier Airlines (F9), offers the most affordable options from George Bush Intercontinental Airport to Seattle Tacoma International Airport.
What's the popular airline to fly from iah to sea?
United Airlines (UA) offers popular routes from George Bush Intercontinental Houston to Seattle Tacoma International, suitable for a single passenger in Economy class.
What's the cheapest day of the week to fly from iah to sea?
Tuesday is the cheapest day to fly from George Bush Intercontinental Airport to Seattle Tacoma International Airport.
What's the cheapest month to fly from iah to sea?
March is the cheapest month to fly from George Bush Intercontinental Houston to Seattle Tacoma International.
What is Frontier Airlines known for?
Frontier Airlines is renowned for offering incredibly low fares, particularly on budget-friendly routes, and is a popular choice for travelers seeking affordable air travel.
Which airline offers the cheapest flights from George Bush Intercontinental Airport to Seattle Tacoma International Airport?
United Airlines (UA) offers the lowest fares for flights from George Bush Intercontinental Airport to Seattle Tacoma International Airport.
When does Frontier Airlines typically offer the lowest fares?
Frontier Airlines frequently offers the lowest fares during Tuesdays, as this is considered a day with lower demand.
What month is generally considered the cheapest to fly with United Airlines?
March is generally considered the most affordable month to fly with United Airlines, particularly for routes from George Bush Intercontinental Airport to Seattle Tacoma International Airport.
What is the name of the airport in Houston that serves as a major hub for Frontier Airlines?
George Bush Intercontinental Airport (iah)

Flights from Houston to Seattle

Origin Airport George Bush Intercontinental Houston , Houston, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance miles

Popular Airlines

Delta Airline, DL
United Airlines, UA
American Airlines, AA
Hawaiian Airlines-HA
Spirit Airlines-NK
Alaska Airlines -AS

Popular Origin & Destination

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