Cheap Flight Tickets from Houston (IAH) to Seattle (SEA), Starting at $437

Good to Know: Cheapest and Fastest IAH - SEA Flights

Useful information for finding best airline tickets from George Bush Intercontinental Houston to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$504

DL Delta Airlines • 1 stop • 15h 11m

Dec 21 – Dec 27

The cheapest round trip flight from Houston to Seattle (IAH-SEA-IAH) is currently $504

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Cheapest Direct Flight

$437

AS Alaska Airlines • nonstop • 8h 20m

Dec 21

The cheapest nonstop flight from Houston to Seattle (IAH-SEA) is currently $437

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Fastest Flight

7h 36m

The fastest nonstop flight from Houston to Seattle (IAH-SEA) takes 7h 36m

Top Airlines Flying from Houston to Seattle

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Houston (IAH) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Houston to Seattle. Ideal for travelers with confirmed return itineraries.

Dec 21 - Dec 27, Economy
DL
Houston → Seattle
15h 11m
11:34 AM - 6:45 PM • 1 stop
DL
Houston → Seattle
12h 23m
11:06 PM - 8:49 AM • 1 stop
$504
Delta Airlines
Dec 21 - Dec 27, Economy
DL
Houston → Seattle
12h 11m
7:15 AM - 12:46 PM • 1 stop
DL
Houston → Seattle
12h 29m
8:25 AM - 6:14 PM • 1 stop
$504
Delta Airlines
Dec 21 - Dec 27, Economy
DL
Houston → Seattle
13h 46m
11:52 AM - 6:18 PM • 1 stop
DL
Houston → Seattle
10h 28m
1:30 PM - 9:58 PM • 1 stop
$504
Delta Airlines
Dec 21 - Dec 27, Economy
DL
Houston → Seattle
13h 32m
4:00 PM - 10:12 PM • 1 stop
DL
Houston → Seattle
10h 24m
9:33 AM - 5:57 PM • 1 stop
$504
Delta Airlines
Dec 21 - Dec 27, Economy
DL
Houston → Seattle
15h 47m
5:10 AM - 12:57 PM • 1 stop
DL
Houston → Seattle
10h 24m
9:33 AM - 5:57 PM • 1 stop
$504
Delta Airlines
Dec 21 - Dec 27, Economy
DL
Houston → Seattle
17h 20m
7:08 AM - 3:48 PM • 1 stop
DL
Houston → Seattle
10h 14m
9:33 AM - 5:47 PM • 1 stop
$504
Delta Airlines

Fly from Houston to Seattle with the Best Airfare Deals on FareLeaders

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.

FAQs on Houston to Seattle Flights

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 5:10 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 DL : USD 504
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 7:57 pm

Houston (IAH) to Seattle (SEA): Airport Information

Origin Airport George Bush Intercontinental Houston , Houston, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 1874 miles

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