S$179 Cheap Flights from Houston to Seattle

View S$179 flight on Tue, 25 Nov, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Houston to Seattle (IAH-SEA)

Prices were available within the past 7 days and start at S$179 for one-way flights and S$357 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 6 Nov - Wed, 12 Nov
IAH
Houston
SEA
Seattle
S$357 Return, found 3 days ago
S$357
Return
found 3 days ago
Select Delta flight, departing Thu, 6 Nov from Houston to Seattle, returning Wed, 12 Nov, priced at S$357 found 3 days ago
Delta
Thu, 27 Nov - Wed, 3 Dec
IAH
Houston
SEA
Seattle
S$359 Return, found 1 day ago
S$359
Return
found 1 day ago
Select Delta flight, departing Thu, 27 Nov from Houston to Seattle, returning Wed, 3 Dec, priced at S$359 found 1 day ago
Delta
Tue, 25 Nov - Fri, 28 Nov
IAH
Houston
SEA
Seattle
S$383 Return, found 3 days ago
S$383
Return
found 3 days ago
Select Delta flight, departing Tue, 25 Nov from Houston to Seattle, returning Fri, 28 Nov, priced at S$383 found 3 days ago
Delta
Thu, 6 Nov - Wed, 12 Nov
IAH
Houston
SEA
Seattle
S$403 Return, found 3 days ago
S$403
Return
found 3 days ago
Select Delta flight, departing Thu, 6 Nov from Houston to Seattle, returning Wed, 12 Nov, priced at S$403 found 3 days ago
Delta
Thu, 27 Nov - Wed, 3 Dec
IAH
Houston
SEA
Seattle
S$405 Return, found 1 day ago
S$405
Return
found 1 day ago
Select Delta flight, departing Thu, 27 Nov from Houston to Seattle, returning Wed, 3 Dec, priced at S$405 found 1 day ago
Delta
Thu, 6 Nov - Wed, 12 Nov
IAH
Houston
SEA
Seattle
S$416 Return, found 3 days ago
S$416
Return
found 3 days ago
Select Delta flight, departing Thu, 6 Nov from Houston to Seattle, returning Wed, 12 Nov, priced at S$416 found 3 days ago
United
Thu, 27 Nov - Wed, 3 Dec
IAH
Houston
SEA
Seattle
S$417 Return, found 1 day ago
S$417
Return
found 1 day ago
Select United flight, departing Thu, 27 Nov from Houston to Seattle, returning Wed, 3 Dec, priced at S$417 found 1 day ago
Delta
Thu, 6 Nov - Wed, 12 Nov
IAH
Houston
SEA
Seattle
S$430 Return, found 3 days ago
S$430
Return
found 3 days ago
Select Delta flight, departing Thu, 6 Nov from Houston to Seattle, returning Wed, 12 Nov, priced at S$430 found 3 days ago
Delta
Thu, 27 Nov - Wed, 3 Dec
IAH
Houston
SEA
Seattle
S$431 Return, found 1 day ago
S$431
Return
found 1 day ago
Select Delta flight, departing Thu, 27 Nov from Houston to Seattle, returning Wed, 3 Dec, priced at S$431 found 1 day ago
American Airlines
Thu, 27 Nov - Wed, 3 Dec
IAH
Houston
SEA
Seattle
S$443 Return, found 1 day ago
S$443
Return
found 1 day ago
Select American Airlines flight, departing Thu, 27 Nov from Houston to Seattle, returning Wed, 3 Dec, priced at S$443 found 1 day ago

Find the cheapest month to fly from Houston (IAH) to Seattle (SEA)

January is typically the cheapest month to fly

From S$156 - S$472 per traveller.
Houston to Seattle route information
Origin airport
George Bush Intercontinental
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$357
Distance
2994 km
Average flight time
2 hours 47 mins

Flights from Houston to Seattle

There are several airlines that operate frequent flights from Houston (IAH) to Seattle (SEA) including

The earliest flight leaves George Bush Intercontinental Airport at 06:08 and arrives at Seattle Tacoma Intl. Airport at 00:03. The last flight of the day departs Houston at 21:50 and arrives at Seattle at 23:43.

The flight distance from Houston to Seattle is about 3030 km, the shortest flight is 04 hours 28 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Houston Seattle flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Houston to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Houston to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Houston Airport to Seattle - Tacoma Intl. Airport (SEA)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from George Bush Intercontinental Airport (IAH) to SEA was S$357. Cheap tickets don't last long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Houston Airport to SEA?
The majority of flights can be cancelled online, but every air carrier has a different set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from IAH to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Houston Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from George Bush Intercontinental Airport (IAH) to Seattle - Tacoma Intl. Airport (SEA)?
It takes approximately 4 hours and 58 minutes to fly from Houston Airport (IAH) to Sea-Tac Airport (SEA). But with some TV shows and a few interesting magazines, the hours will pass by quicker.
How far is the flight from Houston Airport to Sea-Tac Airport?
The flying distance between George Bush Intercontinental Airport (IAH) (IAH) and Sea-Tac Airport (SEA) is 3,000 kilometres. Work your way through your travel song playlist or finish off your latest read and the journey will zip by.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to SEA?
One airline that flies from IAH to Sea-Tac Airport is United Airlines (UA). It offers 91 flights monthly. Alaska Airlines (AS) is also worth a look. It offers 60 flights per month. Between these two airlines, you'll be able to find a great deal from Houston to SeaTac.
Are IAH to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab an amazing last-minute deal from IAH to Sea-Tac Airport, but it's also possible to miss out altogether! As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be sure you're always seeing the latest offers.

Explore a world of travel with Expedia

Houston Airports

Houston

George Bush Intercontinental to Seattle
S$357.00
*Available to Expedia members.