₩170,400 Cheap Flights from Houston (IAH) to Seattle (SEA)

View ₩170,400 flight on Wed, Jan 28, 2026Opens 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 ₩170,400 for one-way flights and ₩325,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Feb 3 - Wed, Feb 4
IAH
Houston
SEA
Seattle
₩325,800 Roundtrip, found 5 days ago
₩325,800
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 3 from Houston to Seattle, returning Wed, Feb 4, priced at ₩325,800 found 5 days ago
Hawaiian Airlines
Mon, Feb 2 - Tue, Feb 3
IAH
Houston
SEA
Seattle
₩340,200 Roundtrip, found 5 days ago
₩340,200
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Mon, Feb 2 from Houston to Seattle, returning Tue, Feb 3, priced at ₩340,200 found 5 days ago
Delta
Tue, Feb 3 - Mon, Feb 9
IAH
Houston
SEA
Seattle
₩383,600 Roundtrip, found 5 days ago
₩383,600
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Feb 3 from Houston to Seattle, returning Mon, Feb 9, priced at ₩383,600 found 5 days ago
Hawaiian Airlines
Wed, Jan 28 - Sun, Feb 1
IAH
Houston
SEA
Seattle
₩383,700 Roundtrip, found 4 days ago
₩383,700
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Houston to Seattle, returning Sun, Feb 1, priced at ₩383,700 found 4 days ago
Hawaiian Airlines
Wed, Jan 28 - Sun, Feb 1
IAH
Houston
SEA
Seattle
₩397,700 Roundtrip, found 4 days ago
₩397,700
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Houston to Seattle, returning Sun, Feb 1, priced at ₩397,700 found 4 days ago
Delta
Thu, Jan 29 - Mon, Feb 9
IAH
Houston
SEA
Seattle
₩398,000 Roundtrip, found 5 days ago
₩398,000
Roundtrip
found 5 days ago
Select Delta flight, departing Thu, Jan 29 from Houston to Seattle, returning Mon, Feb 9, priced at ₩398,000 found 5 days ago
Delta
Wed, Jan 28 - Sun, Feb 1
IAH
Houston
SEA
Seattle
₩398,100 Roundtrip, found 4 days ago
₩398,100
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Jan 28 from Houston to Seattle, returning Sun, Feb 1, priced at ₩398,100 found 4 days ago
Hawaiian Airlines
Wed, Jan 28 - Sun, Feb 1
IAH
Houston
SEA
Seattle
₩398,200 Roundtrip, found 4 days ago
₩398,200
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Houston to Seattle, returning Sun, Feb 1, priced at ₩398,200 found 4 days ago
United
Wed, Jan 28 - Sun, Feb 1
IAH
Houston
SEA
Seattle
₩448,800 Roundtrip, found 4 days ago
₩448,800
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 28 from Houston to Seattle, returning Sun, Feb 1, priced at ₩448,800 found 4 days ago
American Airlines
Wed, Jan 28 - Sun, Feb 1
IAH
Houston
SEA
Seattle
₩462,600 Roundtrip, found 4 days ago
₩462,600
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Jan 28 from Houston to Seattle, returning Sun, Feb 1, priced at ₩462,600 found 4 days ago

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

January is typically the cheapest month to fly

From ₩170,129 - ₩513,840 per traveler.
Flights from Houston (IAH) to Seattle (SEA)
Origin airport
George Bush Intercontinental
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
₩325,800
Distance
2994 km
Average flight time
3 hours 20 mins

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.

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 ₩325,800. 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.

Explore a world of travel with Expedia

Houston nearby Airports

Houston

George Bush Intercontinental to Seattle
₩325,800
*Available to Expedia members.