₩146,700 Cheap Flights from Houston (IAH) to Seattle (SEA)

View ₩146,700 flight on Sat, Nov 15, 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 ₩146,700 for one-way flights and ₩437,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩437,100 Roundtrip, found 5 days ago
₩437,100
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩437,100 found 5 days ago
Delta
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩466,100 Roundtrip, found 5 days ago
₩466,100
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩466,100 found 5 days ago
Delta
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩485,800 Roundtrip, found 5 days ago
₩485,800
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩485,800 found 5 days ago
Delta
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩499,300 Roundtrip, found 5 days ago
₩499,300
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩499,300 found 5 days ago
United
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩514,800 Roundtrip, found 5 days ago
₩514,800
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩514,800 found 5 days ago
Delta
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩521,300 Roundtrip, found 5 days ago
₩521,300
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩521,300 found 5 days ago
American Airlines
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩528,300 Roundtrip, found 5 days ago
₩528,300
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩528,300 found 5 days ago
United
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩534,200 Roundtrip, found 5 days ago
₩534,200
Roundtrip
found 5 days ago
Select United flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩534,200 found 5 days ago
Delta
Fri, Oct 17 - Mon, Oct 20
IAH
Houston
SEA
Seattle
₩535,500 Roundtrip, found 5 days ago
₩535,500
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Oct 17 from Houston to Seattle, returning Mon, Oct 20, priced at ₩535,500 found 5 days ago
Hawaiian Airlines
Sun, Oct 5 - Mon, Oct 13
IAH
Houston
SEA
Seattle
₩704,600 Roundtrip, found 2 days ago
₩704,600
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sun, Oct 5 from Houston to Seattle, returning Mon, Oct 13, priced at ₩704,600 found 2 days ago

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

October is typically the cheapest month to fly

From ₩165,248 - ₩293,371 per traveler.

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 ₩437,100. 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.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
₩437,100
Distance
2994 km
Average flight time
2 hours 46 mins

Book with confidence

Book with confidence

Houston to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Houston to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAH to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Houston for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Houston to Seattle Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

Houston nearby Airports

Houston

George Bush Intercontinental to Seattle
₩437,100
*Available to Expedia members.