RM583 Cheap Flights from Seattle (SEA) to Houston (IAH)

View RM583 flight on Tue, 17 Feb 2026Opens in a new window

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

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Cheap Flights from Seattle to Houston (SEA-IAH)

Prices were available within the past 7 days and start at RM583 for one-way flights and RM1,166 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 19 Nov - Tue, 2 Dec
SEA
Seattle
IAH
Houston
RM1,166 Return, found 1 day ago
RM1,166
Return
found 1 day ago
Select Delta flight, departing Wed, 19 Nov from Seattle to Houston, returning Tue, 2 Dec, priced at RM1,166 found 1 day ago
Delta
Wed, 5 Nov - Wed, 19 Nov
SEA
Seattle
IAH
Houston
RM1,167 Return, found 1 day ago
RM1,167
Return
found 1 day ago
Select Delta flight, departing Wed, 5 Nov from Seattle to Houston, returning Wed, 19 Nov, priced at RM1,167 found 1 day ago
Delta
Thu, 20 Nov - Mon, 24 Nov
SEA
Seattle
IAH
Houston
RM1,251 Return, found 1 day ago
RM1,251
Return
found 1 day ago
Select Delta flight, departing Thu, 20 Nov from Seattle to Houston, returning Mon, 24 Nov, priced at RM1,251 found 1 day ago
Delta
Thu, 20 Nov - Mon, 24 Nov
SEA
Seattle
IAH
Houston
RM1,316 Return, found 1 day ago
RM1,316
Return
found 1 day ago
Select Delta flight, departing Thu, 20 Nov from Seattle to Houston, returning Mon, 24 Nov, priced at RM1,316 found 1 day ago
Delta
Mon, 3 Nov - Mon, 17 Nov
SEA
Seattle
IAH
Houston
RM1,335 Return, found 1 day ago
RM1,335
Return
found 1 day ago
Select Delta flight, departing Mon, 3 Nov from Seattle to Houston, returning Mon, 17 Nov, priced at RM1,335 found 1 day ago
United
Wed, 19 Nov - Tue, 2 Dec
SEA
Seattle
IAH
Houston
RM1,338 Return, found 1 day ago
RM1,338
Return
found 1 day ago
Select United flight, departing Wed, 19 Nov from Seattle to Houston, returning Tue, 2 Dec, priced at RM1,338 found 1 day ago
Delta
Thu, 20 Nov - Mon, 24 Nov
SEA
Seattle
IAH
Houston
RM1,357 Return, found 1 day ago
RM1,357
Return
found 1 day ago
Select Delta flight, departing Thu, 20 Nov from Seattle to Houston, returning Mon, 24 Nov, priced at RM1,357 found 1 day ago
Delta
Wed, 19 Nov - Tue, 2 Dec
SEA
Seattle
IAH
Houston
RM1,402 Return, found 1 day ago
RM1,402
Return
found 1 day ago
Select Delta flight, departing Wed, 19 Nov from Seattle to Houston, returning Tue, 2 Dec, priced at RM1,402 found 1 day ago
Delta
Fri, 7 Nov - Tue, 18 Nov
SEA
Seattle
IAH
Houston
RM1,424 Return, found 1 day ago
RM1,424
Return
found 1 day ago
Select Delta flight, departing Fri, 7 Nov from Seattle to Houston, returning Tue, 18 Nov, priced at RM1,424 found 1 day ago
American Airlines
Thu, 20 Nov - Tue, 2 Dec
SEA
Seattle
IAH
Houston
RM1,442 Return, found 2 days ago
RM1,442
Return
found 2 days ago
Select American Airlines flight, departing Thu, 20 Nov from Seattle to Houston, returning Tue, 2 Dec, priced at RM1,442 found 2 days ago

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

January is typically the cheapest month to fly

From RM 510 - RM 1,437 per traveller.

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 RM1,166. 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 cancelled 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 kilometres. Put together a playlist of your favourite 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.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, United
Return price
RM1,166
Distance
2994 km
Average flight time
7 hours 13 mins

Book with confidence

Book with confidence

Perfect flights from Seattle to Houston

Your Journey from Seattle to Houston

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Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to George Bush Intercontinental that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM583 and roundtrip prices from RM1,166*.
 

Pre-Flight Essentials

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Experience the Vibrant Houston

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Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seattle to Houston.
 

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Book Your Flight from Seattle to Houston with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seattle to Houston with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seattle to Houston

Explore a world of travel with Expedia

Explore a world of travel with Expedia

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