Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Change your flight without a fee on select flights

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

Amazing IAH to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $187 round trip and $84 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for IAH to SEA

Carrier Flight Depart IAH Arrive SEA Thu
6/24
Fri
6/25
Sat
6/26
Sun
6/27
Mon
6/28
Tue
6/29
Wed
6/30
Stops
AS 697 07:20 am 09:59 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1289 09:58 am 12:32 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1593 02:45 pm 05:21 pm Check fare Check fare - Check fare Check fare Check fare Check fare 0 stop(s)
AS 699 04:10 pm 06:49 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1413 06:30 pm 09:06 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
UA 1144 07:45 pm 10:17 pm - Check fare - Check fare - - - 0 stop(s)

Best Seattle - Tacoma Intl. Flight and Hotel Packages

Seattle - Tacoma Intl. flight + hotel packages - economy flights

FAQs about flights from George Bush Intercontinental Airport (IAH) to Seattle - Tacoma Intl. Airport (SEA)

Can I catch a flight from Houston, TX Airport (IAH-George Bush Intercontinental) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) right now?

For info on any current Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) quarantine requirements and travel advice, visit our Covid-19 Travel Advisor. Check before you arrange your flight, so you don't get caught up en route.

Are there direct flights from Houston Airport to Sea-Tac Airport?

Alaska Airlines and United Airlines are among the airlines that provide direct flights from Houston, TX Airport (IAH-George Bush Intercontinental) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). If you want to get to your destination without a layover, these are your best options.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), please visit our Customer Service Portal.

How long is the flight from Houston Airport to Seattle - Tacoma Intl. Airport (SEA)?

It generally takes around 4 hours and 54 minutes to fly from IAH to Sea-Tac Airport. You'll be in your seat for a while, so keep yourself entertained with a podcast or flick through the airway's magazines.

What is the flight distance from IAH to Sea-Tac Airport?

There's a flight distance of 1,864 mi separating Houston Airport and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). This is classified as a medium-haul flight. There'll be plenty of time to take advantage of the in-flight entertainment and catch up on some shut-eye if you want to feel fresh on landing.

What airlines fly from George Bush Intercontinental Airport (IAH) to Sea-Tac Airport?

If you're planning a trip from Houston to Seattle, there is a good range of airlines that'll fly you there. Check out these reliable air companies advertising direct flights from Houston, TX Airport (IAH-George Bush Intercontinental) to Sea-Tac Airport:

  • Alaska Airlines - (AS) with 397 flights every month
  • United Airlines - (UA) with 343 flights every month
  • United Airlines - (UA) with 343 flights every month
  • Alaska Airlines - (AS) with 397 flights every month
What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity 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 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

George Bush Intercontinental to Seattle - Tacoma Intl. Flight FAQ

Traveling FromGeorge Bush Intercontinental
Traveling ToSeattle - Tacoma Intl.
Shortest Flight Time4 hours 34 mins
Earliest Departure Time7:20AM CDT
Latest Departure Time6:30PM CDT
Lowest Flight Price$187

Route Info

Flight path for flights from George Bush Intercontinental Airport to Seattle-Tacoma International Airport


Distance:
1,883.00 miles


Airlines & Aircraft Used on IAH to SEA Flight Routes


Airline Carrier
Aircraft
United Airlines
Airbus A319
United Airlines
Douglas DC-9-50 pax

Popular Flight Routes from Houston (IAH)

George Bush Intercontinental to Seattle - Tacoma Intl. Flight FAQ

Traveling FromGeorge Bush Intercontinental
Traveling ToSeattle - Tacoma Intl.
Shortest Flight Time4 hours 34 mins
Earliest Departure Time7:20AM CDT
Latest Departure Time6:30PM CDT
Lowest Flight Price$187

Popular Flight Routes from Seattle (SEA)

Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle(SEA) today with the cheap prices from Travelocity!

*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.