Route guide
Cheap Flights from Seattle to Houston: Book Airline Tickets
- Distance
- about 1,870 mi
- Typical flight time
- 4 h – 5 h
- Airports
- 1 × 2
- Time difference
- 2 h ahead
This page covers the practical side of flying between Seattle and Houston: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Seattle to Houston is about 1,870 miles (3,010 km) and a typical flight takes 4 h to 5 h. Houston is 2 hours ahead of Seattle. Seattle has 1 airport to compare and Houston has 2.
Airport pairs to compare
Seattle's airport is connected to downtown by light rail, which makes arrival simple even at busy times. Houston has two main airports: Bush Intercontinental to the north and Hobby to the southeast. Hobby is closer to downtown.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| SEA to IAH | Seattle-Tacoma International | George Bush Intercontinental |
| SEA to HOU | Seattle-Tacoma International | William P. Hobby |
About the airports
- SEA · Seattle-Tacoma International
Connected to downtown by Link light rail. - IAH · George Bush Intercontinental
The larger airport, north of the city, with a wide range of domestic and international flights. - HOU · William P. Hobby
Closer to downtown and a good option for domestic trips.
Airlines with a major base at either end
- At Seattle: Delta Air Lines, Alaska Airlines
- At Houston: United Airlines, Southwest Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Seattle
July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower.
Houston
Fall through spring is the most comfortable period. Summers are hot and humid, and hurricane season runs June through November.
Hurricane season runs from June through November, so check fare rules for changes if you travel in that window.
How long is Seattle to Houston?
At about 1,870 miles, Seattle to Houston is a long domestic-style flight of several hours. Meal options, seat choice and baggage rules matter more on a trip this long, so compare the full total rather than just the base fare.
Time zones and timing
Houston is 2 hours ahead of Seattle, so you land at a local time 2 hours later than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Seattle: Link light rail runs from the airport to downtown in roughly 40 minutes.
Houston: Rental cars and ride-hail are the most common choices. Distances are large, so check where your hotel is before choosing an airport.
Planning ground transport too? See our car rental guide.
Good to know
- Check every airport pairing when you compare fares. Schedules and airline options can differ between them.
- Alaska cruises depart from the city roughly from spring through early fall, which can lift demand and hotel prices at that time.
- Compare both airports when you look at fares, and keep weather in mind if you travel in late summer.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying Houston to Seattle?
This route guide works in both directions. For other trips, see all flights from Seattle or all flights from Houston.
Frequently asked questions
How far is Seattle from Houston?
The straight-line distance between the main airports is about 1,870 miles (3,010 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Seattle to Houston?
A typical scheduled flight takes roughly 4 h to 5 h in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Seattle: SEA (Seattle-Tacoma International). At Houston: IAH (George Bush Intercontinental), HOU (William P. Hobby). Ask for prices on more than one pairing.
Is there a time difference?
Houston is 2 hours ahead of Seattle.
When is the best time to fly from Seattle to Houston?
In Seattle: July through September is the driest and busiest period. From November to March it is rainy, and fares are often lower. In Houston: Fall through spring is the most comfortable period. Summers are hot and humid, and hurricane season runs June through November.Hurricane season runs from June through November, so check fare rules for changes if you travel in that window. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Seattle to Houston?
Airlines with a major base at either end include Delta Air Lines, Alaska Airlines, United Airlines and Southwest Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.