Cheap Flights From George Bush Intercontinental (IAH) To Seattle - Tacoma Intl. (SEA)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly

Cheapest Flights from Houston (IAH) to Seattle (SEA)

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $328 round trip and CA $163 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Jan 17 - Sat, Jan 24
IAH
Houston
SEA
Seattle
CA $328 Roundtrip, found 2 days ago
CA $328
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Jan 17 from Houston to Seattle, returning Sat, Jan 24, priced at CA $328 found 2 days ago
Sat, Jan 17 - Sat, Jan 24
IAH
Houston
SEA
Seattle
CA $340 Roundtrip, found 2 days ago
CA $340
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Jan 17 from Houston to Seattle, returning Sat, Jan 24, priced at CA $340 found 2 days ago
Sat, Jan 17 - Sat, Jan 24
IAH
Houston
SEA
Seattle
CA $345 Roundtrip, found 2 days ago
CA $345
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Jan 17 from Houston to Seattle, returning Sat, Jan 24, priced at CA $345 found 2 days ago
Wed, Feb 4 - Mon, Feb 9
IAH
Houston
SEA
Seattle
CA $359 Roundtrip, found 1 day ago
CA $359
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Houston to Seattle, returning Mon, Feb 9, priced at CA $359 found 1 day ago
Fri, Feb 13 - Sat, Feb 21
IAH
Houston
SEA
Seattle
CA $363 Roundtrip, found 16 hours ago
CA $363
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Fri, Feb 13 from Houston to Seattle, returning Sat, Feb 21, priced at CA $363 found 16 hours ago
Wed, Feb 4 - Mon, Feb 9
IAH
Houston
SEA
Seattle
CA $364 Roundtrip, found 1 day ago
CA $364
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Houston to Seattle, returning Mon, Feb 9, priced at CA $364 found 1 day ago
Wed, Feb 4 - Mon, Feb 9
IAH
Houston
SEA
Seattle
CA $372 Roundtrip, found 1 day ago
CA $372
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Houston to Seattle, returning Mon, Feb 9, priced at CA $372 found 1 day ago
Wed, Feb 4 - Mon, Feb 9
IAH
Houston
SEA
Seattle
CA $377 Roundtrip, found 1 day ago
CA $377
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Houston to Seattle, returning Mon, Feb 9, priced at CA $377 found 1 day ago
Thu, Feb 19 - Thu, Feb 26
IAH
Houston
SEA
Seattle
CA $381 Roundtrip, found 16 hours ago
CA $381
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Thu, Feb 19 from Houston to Seattle, returning Thu, Feb 26, priced at CA $381 found 16 hours ago
Wed, Feb 4 - Mon, Feb 9
IAH
Houston
SEA
Seattle
CA $386 Roundtrip, found 1 day ago
CA $386
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Houston to Seattle, returning Mon, Feb 9, priced at CA $386 found 1 day ago

Frequently asked questions

Are there direct flights from IAH to Sea-Tac Airport?
Your next great adventure is on the opposite side of a single flight. You can fly direct from Houston Airport to SEA with multiple airlines, including United Airlines and Alaska Airlines.
What airlines fly from Houston Airport to SEA?
There are several airlines that fly direct from IAH to SEA. United Airlines (UA) is reputable, operating around 121 flights each month. If you want more options, look up the deals on offer from Alaska Airlines (AS). This airline has 30 flights on the Houston to Seattle route each month. Between the two, you're sure to find the flight to suit your travel needs.
What is the best day to buy a plane ticket?
Airfares offered on Friday tend to be the cheapest, according to flight demand on Travelocity.ca in 2021. Purchasing your airfares on a Thursday or Saturday can also provide better value, however our advice if you're looking to save money is to avoid booking on a Wednesday or Sunday. Our data shows that those two days have the highest ticket values on average, so keep this in mind if you're browsing flight deals.
What are the cheapest days to fly?
Frequent travellers may already know this, but earlier in the week is often the cheapest time to fly. Flights departing on a Monday are the cheapest of the week. Since flights towards the middle of the week tend to be more popular, this causes the prices to rise. This is why, on average, airfares booked on Travelocity.ca in 2021 were most expensive for Wednesday departures.
How far in advance can you book a flight?
Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.