Cheap Flights from Seattle (SEA) to Houston (IAH) from HK$736~

View HK$736 flight on Wed, 17 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$736 for one-way flights and HK$1,461 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,461 Return, found 4 days ago
HK$1,461
Return
found 4 days ago
Select Delta flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,461 found 4 days ago
United
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,653 Return, found 4 days ago
HK$1,653
Return
found 4 days ago
Select United flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,653 found 4 days ago
Delta
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,816 Return, found 4 days ago
HK$1,816
Return
found 4 days ago
Select Delta flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,816 found 4 days ago
United
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,825 Return, found 4 days ago
HK$1,825
Return
found 4 days ago
Select United flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,825 found 4 days ago
United
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,833 Return, found 4 days ago
HK$1,833
Return
found 4 days ago
Select United flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,833 found 4 days ago
Delta
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,901 Return, found 4 days ago
HK$1,901
Return
found 4 days ago
Select Delta flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,901 found 4 days ago
United
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,943 Return, found 4 days ago
HK$1,943
Return
found 4 days ago
Select United flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,943 found 4 days ago
United
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,975 Return, found 4 days ago
HK$1,975
Return
found 4 days ago
Select United flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,975 found 4 days ago
American Airlines
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,988 Return, found 4 days ago
HK$1,988
Return
found 4 days ago
Select American Airlines flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,988 found 4 days ago
United
Wed, 17 Sep - Wed, 24 Sep
SEA
Seattle
IAH
Houston
HK$1,997 Return, found 4 days ago
HK$1,997
Return
found 4 days ago
Select United flight, departing Wed, 17 Sep from Seattle to Houston, returning Wed, 24 Sep, priced at HK$1,997 found 4 days ago

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

October is typically the cheapest month to fly

From HK$896 - HK$1,838 per traveller.

Graph displaying average flight prices per month

Seattle to Houston route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
George Bush Intercontinental
Return price
HK$1,461
Distance
2994 km
Average flight time
6 hours 21 mins

Flights from Seattle to Houston

Book cheap flights from Seattle (SEA) to Houston (IAH) 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 Seattle (SEA) to Houston (IAH) 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 Seattle (SEA) to Houston (IAH) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

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

If you would like to book flights to Houston more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Houston is HK$736 now!

 

Frequently asked questions

How much is a flight from SEA to IAH?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip journey from SEA to IAH was HK$1,461. Fares this good don't last forever, 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 Sea-Tac Airport to George Bush Intercontinental Airport (IAH)?
Most flights can be canceled online, but every airline has its own terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from SEA to Houston 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 Seattle - Tacoma Intl. Airport (SEA) to IAH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to George Bush Intercontinental Airport (IAH)?
Expect to be in the air for a while, as the flight distance between SeaTac and Houston is 3,000 kilometers. Put together a playlist of your favorite songs before you leave home to keep yourself entertained during the trip.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to IAH?
United Airlines (UA) is a top choice. It offers 91 flights between Seattle - Tacoma Intl. Airport (SEA) and IAH each month. If you want more options, check out the fares from Alaska Airlines (AS). This airline offers 60 flights a month between these airports.
Are SEA to Houston Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to get a fantastic last-minute deal from Sea-Tac Airport to IAH, but it's also possible to miss out entirely! As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can be certain you're always getting the latest offers.

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