£119 Cheap Flights from Houston (IAH) to Seattle (SEA)

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

Prices were available within the past 7 days and start at £119 for one-way flights and £104 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Flight from Houston to Seattle route information
Origin airport
George Bush Intercontinental
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, JetBlue Airways
Return price
£104
Distance
2994 km
Average flight time
2 hours 50 mins

Compare flights from Houston to Seattle easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Seattle. Operating between them 18 flights per day, 20 airlines cover the route. And EVA Air, Qatar Airways, JAL, Alaska Airlines, Emirates, Air Tahiti Nui, United Airlines, Singapore Airlines fly direct, getting you to Seattle - Tacoma Intl. in just 4hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from George Bush Intercontinental (IAH) to Seattle - Tacoma Intl. (SEA) 

The easiest way to view the best deals on flights from Houston to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from George Bush Intercontinental to Seattle - Tacoma Intl. start at just £104 and range up to £172.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Houston and Seattle
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Houston to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from George Bush Intercontinental to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £104. 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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