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CA $203 Cheap Flights from Seattle (SEA) to Houston (IAH)

View CA $203 flight on Sat, Aug 15, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH)

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

Prices were available within the past 7 days and start at CA $203 for one-way flights and CA $419 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Aug 6 - Mon, Aug 10
SEA
Seattle
IAH
Houston
CA $419 Roundtrip, just found
CA $419
Roundtrip
just found
Select Delta flight, departing Thu, Aug 6 from Seattle to Houston, returning Mon, Aug 10, priced at CA $419 just found
American Airlines
Thu, Aug 6 - Mon, Aug 10
SEA
Seattle
IAH
Houston
CA $420 Roundtrip, just found
CA $420
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 6 from Seattle to Houston, returning Mon, Aug 10, priced at CA $420 just found
Delta
Thu, Aug 13 - Sat, Dec 12
SEA
Seattle
IAH
Houston
CA $422 Roundtrip, found 1 hour ago
CA $422
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Aug 13 from Seattle to Houston, returning Sat, Dec 12, priced at CA $422 found 1 hour ago
American Airlines
Thu, Aug 13 - Sat, Dec 12
SEA
Seattle
IAH
Houston
CA $423 Roundtrip, found 1 hour ago
CA $423
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Thu, Aug 13 from Seattle to Houston, returning Sat, Dec 12, priced at CA $423 found 1 hour ago
Delta
Thu, Aug 6 - Mon, Aug 10
SEA
Seattle
IAH
Houston
CA $433 Roundtrip, just found
CA $433
Roundtrip
just found
Select Delta flight, departing Thu, Aug 6 from Seattle to Houston, returning Mon, Aug 10, priced at CA $433 just found
American Airlines
Thu, Aug 6 - Mon, Aug 10
SEA
Seattle
IAH
Houston
CA $435 Roundtrip, just found
CA $435
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 6 from Seattle to Houston, returning Mon, Aug 10, priced at CA $435 just found
Delta
Thu, Aug 13 - Tue, Dec 15
SEA
Seattle
IAH
Houston
CA $437 Roundtrip, found 1 hour ago
CA $437
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Aug 13 from Seattle to Houston, returning Tue, Dec 15, priced at CA $437 found 1 hour ago
Alaska Airlines
Fri, Sep 11 - Mon, Sep 14
SEA
Seattle
IAH
Houston
CA $467 Roundtrip, just found
CA $467
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Sep 11 from Seattle to Houston, returning Mon, Sep 14, priced at CA $467 just found
JetBlue Airways
Sat, Sep 5 - Wed, Sep 9
SEA
Seattle
IAH
Houston
CA $481 Roundtrip, found 2 days ago
CA $481
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sat, Sep 5 from Seattle to Houston, returning Wed, Sep 9, priced at CA $481 found 2 days ago
United
Thu, Aug 6 - Mon, Aug 10
SEA
Seattle
IAH
Houston
CA $609 Roundtrip, just found
CA $609
Roundtrip
just found
Select United flight, departing Thu, Aug 6 from Seattle to Houston, returning Mon, Aug 10, priced at CA $609 just found

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city centre is 24 minutes. Flights from CA $740
IAH
George Bush Intercontinental
Cheapest
Average driving time to city centre24 min
Flights from CA $740

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find cheap one-way flights from CA $203 and cheap return flights from CA $419 SEA to IAH with Expedia. One-way flights typically cost between CA$297 and CA$1068, and return flights often range between CA$553 and CA$1926. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to IAH ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
September is typically the cheapest month to fly from Seattle - Tacoma Intl. (SEA) to George Bush Intercontinental (IAH), with average return fares around CA$467. September often sees lower prices as the peak summer travel season winds down, and before the holiday rush begins. February and October are also good months to find deals on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Only one airline offers direct flights from Seattle - Tacoma Intl. (SEA) to George Bush Intercontinental (IAH). United operates 35 direct flights from Seattle - Tacoma Intl. (SEA) to George Bush Intercontinental (IAH) every week.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA) to Houston, TX (IAH)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You'll find approximately 5 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to George Bush Intercontinental (IAH). For even more choices, look at flights that include layovers, as there are around 99 connecting flights per day. Some common connection points include Denver Intl. (DEN), Dallas-Fort Worth Intl. (DFW), and O'Hare Intl. (ORD).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to George Bush Intercontinental (IAH) typically departs around 12:05 AM local time. This service is operated by American Airlines. This is a seasonal service, active in February and March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You'll find the most flights from Seattle - Tacoma Intl. (SEA) to George Bush Intercontinental (IAH) on a Friday, with around 81 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and Delta. Fridays offer notably more flight options compared to other days of the week, making it a popular choice for travellers.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to George Bush Intercontinental (IAH) are in the morning, from 9am to 12pm. Many major carriers, including Alaska Airlines, American Airlines and United, offer flights during this window. Many travellers prefer these times because they allow for an early start to their journey, getting you to your destination with plenty of time left in the day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Direct flights from SEA to IAH usually take about 4 hours 30 minutes, traveling roughly 3,013 kilometers. If you opt for a connecting flight, expect to add around 3 hours 50 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
You can fly business class or first class between Seattle - Tacoma Intl. (SEA) and George Bush Intercontinental (IAH).You can fly business class with Frontier Airlines and Delta.First class cabins are available on:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines

How do I earn miles on a Seattle, WA (SEA) to Houston, TX (IAH) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA) to Houston, TX (IAH) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston, TX (IAH) from Seattle, WA (SEA)?
If you're planning to travel to Houston from Seattle - Tacoma Intl. (SEA), you can fly directly into George Bush Intercontinental (IAH). Some flights may connect through major hubs like San Francisco Intl. (SFO), Los Angeles Intl. (LAX), or Harry Reid International Airport (LAS) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA) to Houston, TX (IAH) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA) to Houston, TX (IAH) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA) to Houston, TX (IAH) flight and hotel package?
Securing a Seattle, WA (SEA) to Houston, TX (IAH) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Houston, TX (IAH-George Bush Intercontinental) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, JetBlue Airways, United
Roundtrip price
CA $419
Distance
2994 km
Average flight time
6 hours 25 mins

Book with confidence

Seattle to Houston Flights

The easy way to book your flights from Seattle to Houston 

With Expedia, it’s simple to find and book flights to Houston from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to George Bush Intercontinental, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Houston today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to George Bush Intercontinental, IAH 

Sort your search results by price to find great deals on your flight from Seattle to Houston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Houston from Seattle currently is just CA $419 rising to CA $609.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Houston  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Houston from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Houston with Expedia today.

Seattle to Houston Flights

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