Cheap Flights from Seattle / Tacoma International to Houston

Compare Seattle / Tacoma International to Houston flight deals

Find the cheapest month or even day of the year to fly to Houston

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Flight deals from Seattle / Tacoma International to Houston

Looking for a cheap last-minute deal or the best round-trip flight from Seattle / Tacoma International Airport to Houston? If you want to travel next month, round-trip fares start from AED 770. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Houston flights are currently cheapest in May.

Direct flights from Seattle / Tacoma International to Houston

Alternative Seattle / Tacoma International to Houston routes

Looking for the cheapest, fastest or easiest route from Seattle / Tacoma International to Houston? You could fly into the following airports instead.

Seattle to Houston: Flight information

The things to know before you go.
Cheapest flight foundAED 331
Cheapest month to flyMay
Average flight time4 hrs, 22 mins
Most popular airlineUnited
Average flights per week91

Finding cheap flights from Seattle / Tacoma International to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a round-trip flight from Seattle / Tacoma International to Houston is AED 682. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 22 minutes is the average flight time from Seattle / Tacoma International to Houston.
United, Alaska Airlines and Qatar Airways fly direct from Seattle / Tacoma International to Houston.
There are 91 flights per week flying from Seattle / Tacoma International to Houston, as of May 2026.
The cheapest month to fly from Seattle / Tacoma International to Houston is usually May.
If you're flying from Seattle / Tacoma International Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the center of Houston. We've found flights to this airport from AED 682.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Houston on Saturday, May 23, 2026.
Yes – the average flight time is 4 hours and 22 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 25°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Houston.

Flying from Seattle-Tacoma International Airport (SEA) to Houston: what you need to know

  • Expect to be in the air for 4 hours 45 minutes. That's the average time for a direct flight from Seattle-Tacoma International Airport to Houston.

  • The timezone in Houston is UTC-6. The city is two hours ahead of Seattle, where Seattle-Tacoma International Airport is located.

  • The busiest route is from Seattle-Tacoma International Airport (SEA) to Houston George Bush Intercontinental Airport (IAH). There are 39 services every week between these two airports. If you want to get on your way as soon as possible, the earliest flight from SEA to IAH is the 05:00 United Airlines service. If you prefer traveling later, the final departure is at 23:59 with Alaska Airlines.

  • Give yourself enough time to get on your SEA to Houston flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of international flights whenever you're flying during a peak period in general.

  • Begin your journey at SEA and travel straight to Houston George Bush Intercontinental Airport (IAH). That's where you can expect to touch down when searching for Seattle-Tacoma International Airport to Houston tickets.

  • You can choose from various airlines operating direct flights from Seattle-Tacoma International Airport to Houston, such as:

  • SEA is around 18 kilometers from central Seattle. If you're catching a cab, ride-sharing or driving from the center, it'll take 25 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 35 minutes.

  • Catching an early flight from Seattle-Tacoma International Airport to Houston? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these hotels near SEA:

  • Seattle-Tacoma International Airport has a strong on-time performance, so flight disruptions are less likely. Departures from SEA arrive at their destination as scheduled 80% of the time.

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Houston

  • AED 331 is currently the best price for a one-way Seattle-Tacoma International Airport to Houston flight. Return plane tickets start from AED 682. These prices can change based on availability and demand.

  • Booking ahead of time is often the key to locking in a cheap flight from SEA to Houston. Prices tend to rise as demand increases, so the closer you get to departure, the more you'll likely spend.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll find the lowest price across every month when searching for your Seattle-Tacoma International Airport to Houston ticket.

  • Locking in a cheap flight from SEA to Houston couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll get in touch when a deal gets even better.

  • Tailor your trip with filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle-Tacoma International Airport to Houston.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

  • The distance from Houston George Bush Intercontinental Airport (IAH) to central Houston is roughly 40 kilometers. It takes about 30 minutes to reach the center driving.

  • If you're traveling on public transport, expect a journey time of about 1 hour 10 minutes.

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Seattle-Tacoma International Airport to Houston. Check in to one of these accommodation options near IAH instead:

  • For the lowest price, reserve your vehicle from Houston George Bush Intercontinental Airport around three weeks in advance of your flight from SEA to Houston.

  • IAH is located at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

  • After your flight from Seattle-Tacoma International Airport to Houston has landed, you can make your way to the city center in about 20 minutes by car. Central Houston is roughly 19 kilometers from Houston Hobby Airport (HOU).

  • You can expect the trip to take about 50 minutes on public transport.

  • Following your SEA to Houston flight, unwind at a hotel close to HOU. These are some comfortable options that'll help you sink into relaxation mode:

  • Call dibs on the best options. Booking your ride from HOU four weeks in advance often means lower prices and a wider selection of vehicles.

  • You'll find Houston Hobby Airport at 7800 Airport Boulevard.

Best time to go to Houston

  • It's time to plan your travel dates for your flight from Seattle-Tacoma International Airport to Houston. July is the busiest month to visit Houston. If you like a quieter vibe, go in January.

  • When booking your Seattle-Tacoma International Airport to Houston plane ticket, think about the kind of weather forecast you're hoping for. August is the warmest month in Houston, with temperatures ranging from 24ºC (75ºF) to 40ºC (104ºF).

  • Look for cheap tickets from SEA to Houston in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

More about Houston

  • After booking your flight from Seattle-Tacoma International Airport to Houston, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring Houston:

  • There are so many things to explore in this city it can be difficult to know where to start. Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and The Menil Collection are leading attractions which should feature on any good Houston itinerary.

Explore more of the United States

  • You've seen Houston, now it's time to discover more of the United States. Journey around 306 kilometers west to San Antonio to tick off its top sights. From San Antonio River Walk to San Antonio River walk and Alamo Plaza, there's plenty to keep you busy.

  • Around 370 kilometers north of Houston, Dallas is another favorite stop in the United States. Get a taste of what this destination has to offer at Meyerson Symphony Center, Winspear Opera House and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.