Search & Compare - Houston to Seattle Flights & Tickets

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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.

Recent airfare deals on Houston to Seattle

Frontier Airlines  F9
Frontier Airlines
Houston
2025-04-27
Seattle
USD 97

One-way F9 Economy fare found on 2025-04-24
Frontier Airlines  F9
Frontier Airlines
Houston
2025-04-27
Seattle
USD 97

One-way F9 Economy fare found on 2025-04-24
Frontier Airlines  F9
Frontier Airlines
Houston
2025-04-27
Seattle
USD 97

One-way F9 Economy fare found on 2025-04-24
Spirit Airlines  NK
Spirit Airlines
Houston
2025-04-20
Seattle
USD 100

One-way NK Economy fare found on 2025-03-31
Spirit Airlines  NK
Spirit Airlines
Houston
2025-04-20
Seattle
USD 100

One-way NK Economy fare found on 2025-04-01
Spirit Airlines  NK
Spirit Airlines
Houston
2025-05-31
Seattle
USD 100

One-way NK Economy fare found on 2025-04-02
Spirit Airlines  NK
Spirit Airlines
Houston
2025-05-31
Seattle
USD 100

One-way NK Economy fare found on 2025-04-02
Spirit Airlines  NK
Spirit Airlines
Houston
2025-05-31
Seattle
USD 100

One-way NK Economy fare found on 2025-04-02
Spirit Airlines  NK
Spirit Airlines
Houston
2025-05-31
Seattle
USD 100

One-way NK Economy fare found on 2025-04-02
Frontier Airlines  F9
Frontier Airlines
Houston
2025-04-22
Seattle
USD 100

One-way F9 Economy fare found on 2025-04-20


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

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 Hawaiian Airlines, Spirit Airlines, Frontier Airlines, Alaska Airlines, Delta Airlines
Can I fly from IAH to SEA non-stop?
Yes, you can fly IAH to SEA non-stop on Hawaiian Airlines, Alaska Airlines
Which airlines fly nonstop between Houston and Seattle?
The non-stop flights between Houston and Seattle are Hawaiian Airlines, Alaska Airlines.
What’s the earliest departure time from IAH to SEA Airport?
The earliest flight leaves IAH at 5:15 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?
NULL, NULL, NULL, Oneworld, SkyTeam 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 Frontier Airlines : USD 97
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 10:44 pm

Essential Information for Booking Flights from Houston to Seattle - AI Insights

What's the cheapest airline from iah to sea?
Frontier Airlines (F9), offers the most affordable options for travel from George Bush Intercontinental Airport (iah) to Seattle Tacoma International Airport (sea).
What's the popular airline to fly from iah to sea?
United Airlines (UA) offers popular routes from George Bush Intercontinental Airport (iah) to Seattle Tacoma International Airport (sea), with fares 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 for one passenger traveling in Economy class.
What is Frontier Airlines known for?
Frontier Airlines is a low-cost carrier specializing in budget-friendly flights, offering a wide network across North America and select international routes.
Which airline offers the lowest fares?
United Airlines (UA) frequently provides the lowest fares for flights between George Bush Intercontinental Airport and Seattle Tacoma International Airport.
When are the cheapest days to fly?
Tuesday is generally considered the cheapest day to fly, offering the lowest fares for flights between George Bush Intercontinental Airport and Seattle Tacoma International Airport.
What month offers the most affordable flights?
March is often considered the most affordable month to fly, especially between George Bush Intercontinental Airport and Seattle Tacoma International Airport.
What is the airport code for George Bush Intercontinental Airport?
iah
What is the airport code for Seattle Tacoma International Airport?
sea

Flights from Houston to Seattle

Origin AirportGeorge Bush Intercontinental Houston , Houston, US
Destination AirportSeattle Tacoma International , Seattle, US
Served by AirlinesHawaiian Airlines, Spirit Airlines, Frontier Airlines, Alaska Airlines, Delta Airlines
Lowest PriceFrontier Airlines : USD 97
Distance1874 miles

Airlines Flying from George Bush Intercontinental Houston

Popular Routes

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