Cheap Flights from Houston (IAH) to Seattle (SEA) from HK$1,005~

View HK$1,005 flight on Wed, 20 May 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$1,005 for one-way flights and HK$2,953 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$2,953 Return, found 6 days ago
HK$2,953
Return
found 6 days ago
Select Delta flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$2,953 found 6 days ago
Delta
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$2,988 Return, found 6 days ago
HK$2,988
Return
found 6 days ago
Select Delta flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$2,988 found 6 days ago
United
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$3,219 Return, found 6 days ago
HK$3,219
Return
found 6 days ago
Select United flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$3,219 found 6 days ago
United
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$3,254 Return, found 6 days ago
HK$3,254
Return
found 6 days ago
Select United flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$3,254 found 6 days ago
Delta
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$3,265 Return, found 6 days ago
HK$3,265
Return
found 6 days ago
Select Delta flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$3,265 found 6 days ago
Delta
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$3,300 Return, found 6 days ago
HK$3,300
Return
found 6 days ago
Select Delta flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$3,300 found 6 days ago
Delta
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$3,307 Return, found 6 days ago
HK$3,307
Return
found 6 days ago
Select Delta flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$3,307 found 6 days ago
Delta
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$3,342 Return, found 6 days ago
HK$3,342
Return
found 6 days ago
Select Delta flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$3,342 found 6 days ago
Delta
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$3,375 Return, found 6 days ago
HK$3,375
Return
found 6 days ago
Select Delta flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$3,375 found 6 days ago
American Airlines
Wed, 20 May - Sat, 13 Jun
IAH
Houston
SEA
Seattle
HK$3,931 Return, found 6 days ago
HK$3,931
Return
found 6 days ago
Select American Airlines flight, departing Wed, 20 May from Houston to Seattle, returning Sat, 13 Jun, priced at HK$3,931 found 6 days ago

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

January is typically the cheapest month to fly

From HK$942 - HK$2,426 per traveller.
Houston to Seattle route information
Origin airport
George Bush Intercontinental
Destination airport
Seattle - Tacoma Intl.
Return price
HK$2,953
Distance
2994 km
Average flight time
3 hours 54 mins

Flights from Houston to Seattle

Book cheap flights from Houston (IAH) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Houston (IAH) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be 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 (IAH) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$1,005 now!

 

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 HK$2,953. 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 canceled 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 kilometers. 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.

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