S$298 Cheap Flights from Seattle to Houston

View S$298 flight on Thu, 12 Nov, 2026Opens in a new window

Flight 1

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 S$298 for one-way flights and S$596 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 12 Nov - Sun, 15 Nov
SEA
Seattle
IAH
Houston
S$596 Return, found 1 day ago
S$596
Return
found 1 day ago
Select Delta flight, departing Thu, 12 Nov from Seattle to Houston, returning Sun, 15 Nov, priced at S$596 found 1 day ago
United
Thu, 12 Nov - Sun, 15 Nov
SEA
Seattle
IAH
Houston
S$647 Return, found 1 day ago
S$647
Return
found 1 day ago
Select United flight, departing Thu, 12 Nov from Seattle to Houston, returning Sun, 15 Nov, priced at S$647 found 1 day ago
United
Thu, 12 Nov - Sun, 15 Nov
SEA
Seattle
IAH
Houston
S$654 Return, found 1 day ago
S$654
Return
found 1 day ago
Select United flight, departing Thu, 12 Nov from Seattle to Houston, returning Sun, 15 Nov, priced at S$654 found 1 day ago
Delta
Thu, 12 Nov - Sun, 15 Nov
SEA
Seattle
IAH
Houston
S$660 Return, found 1 day ago
S$660
Return
found 1 day ago
Select Delta flight, departing Thu, 12 Nov from Seattle to Houston, returning Sun, 15 Nov, priced at S$660 found 1 day ago
Delta
Thu, 12 Nov - Sun, 15 Nov
SEA
Seattle
IAH
Houston
S$686 Return, found 1 day ago
S$686
Return
found 1 day ago
Select Delta flight, departing Thu, 12 Nov from Seattle to Houston, returning Sun, 15 Nov, priced at S$686 found 1 day ago
United
Thu, 12 Nov - Sun, 15 Nov
SEA
Seattle
IAH
Houston
S$706 Return, found 1 day ago
S$706
Return
found 1 day ago
Select United flight, departing Thu, 12 Nov from Seattle to Houston, returning Sun, 15 Nov, priced at S$706 found 1 day ago
Delta
Thu, 12 Nov - Sun, 15 Nov
SEA
Seattle
IAH
Houston
S$711 Return, found 1 day ago
S$711
Return
found 1 day ago
Select Delta flight, departing Thu, 12 Nov from Seattle to Houston, returning Sun, 15 Nov, priced at S$711 found 1 day ago

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

April is typically the cheapest month to fly

From S$207 - S$445 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 S$596. 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

Origin airport
Seattle - Tacoma Intl.
Destination airport
George Bush Intercontinental
Return price
S$596
Distance
2994 km
Average flight time
6 hours 22 mins

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