฿4,070 Cheap Flights from Houston (IAH) to Seattle (SEA)

View ฿4,070 flight on Tue, 17 Feb 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 (IAH) to Seattle (SEA)

Prices were available within the past 7 days and start at ฿4,070 for one-way flights and ฿10,510 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 2 Apr - Mon, 6 Apr
IAH
Houston
SEA
Seattle
฿10,510 Return, found 3 days ago
฿10,510
Return
found 3 days ago
Select Delta flight, departing Thu, 2 Apr from Houston to Seattle, returning Mon, 6 Apr, priced at ฿10,510 found 3 days ago
Delta
Thu, 2 Apr - Mon, 6 Apr
IAH
Houston
SEA
Seattle
฿11,175 Return, found 3 days ago
฿11,175
Return
found 3 days ago
Select Delta flight, departing Thu, 2 Apr from Houston to Seattle, returning Mon, 6 Apr, priced at ฿11,175 found 3 days ago
Delta
Mon, 13 Apr - Fri, 17 Apr
IAH
Houston
SEA
Seattle
฿11,325 Return, found 3 days ago
฿11,325
Return
found 3 days ago
Select Delta flight, departing Mon, 13 Apr from Houston to Seattle, returning Fri, 17 Apr, priced at ฿11,325 found 3 days ago
Delta
Mon, 13 Apr - Fri, 17 Apr
IAH
Houston
SEA
Seattle
฿11,485 Return, found 3 days ago
฿11,485
Return
found 3 days ago
Select Delta flight, departing Mon, 13 Apr from Houston to Seattle, returning Fri, 17 Apr, priced at ฿11,485 found 3 days ago
Delta
Mon, 13 Apr - Fri, 17 Apr
IAH
Houston
SEA
Seattle
฿11,490 Return, found 3 days ago
฿11,490
Return
found 3 days ago
Select Delta flight, departing Mon, 13 Apr from Houston to Seattle, returning Fri, 17 Apr, priced at ฿11,490 found 3 days ago
United
Thu, 2 Apr - Mon, 6 Apr
IAH
Houston
SEA
Seattle
฿11,610 Return, found 3 days ago
฿11,610
Return
found 3 days ago
Select United flight, departing Thu, 2 Apr from Houston to Seattle, returning Mon, 6 Apr, priced at ฿11,610 found 3 days ago
United
Thu, 2 Apr - Mon, 6 Apr
IAH
Houston
SEA
Seattle
฿11,925 Return, found 3 days ago
฿11,925
Return
found 3 days ago
Select United flight, departing Thu, 2 Apr from Houston to Seattle, returning Mon, 6 Apr, priced at ฿11,925 found 3 days ago
Delta
Mon, 13 Apr - Fri, 17 Apr
IAH
Houston
SEA
Seattle
฿12,120 Return, found 3 days ago
฿12,120
Return
found 3 days ago
Select Delta flight, departing Mon, 13 Apr from Houston to Seattle, returning Fri, 17 Apr, priced at ฿12,120 found 3 days ago
Delta
Mon, 13 Apr - Fri, 17 Apr
IAH
Houston
SEA
Seattle
฿12,430 Return, found 3 days ago
฿12,430
Return
found 3 days ago
Select Delta flight, departing Mon, 13 Apr from Houston to Seattle, returning Fri, 17 Apr, priced at ฿12,430 found 3 days ago
American Airlines
Mon, 13 Apr - Fri, 17 Apr
IAH
Houston
SEA
Seattle
฿12,710 Return, found 3 days ago
฿12,710
Return
found 3 days ago
Select American Airlines flight, departing Mon, 13 Apr from Houston to Seattle, returning Fri, 17 Apr, priced at ฿12,710 found 3 days ago

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

January is typically the cheapest month to fly

From ฿3,912 - ฿10,071 per traveller.
Flight from Houston to Seattle route information
Origin airport
George Bush Intercontinental
Destination airport
Seattle - Tacoma Intl.
Return price
฿10,510
Distance
2994 km
Average flight time
3 hours 54 mins

Perfect flights from Houston to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Houston to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible George Bush Intercontinental to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿4,070 and roundtrip prices from ฿10,510. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

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 ฿10,510. 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 cancelled 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 kilometres. 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.
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