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Cheap flights from Seattle to Houston from C$ 164

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Houston departing on 24/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:54 p.m. - 9:07 a.m.
SEA
-
IAH
18h 13m2 stops
Multiple Airlines Logo
9:55 a.m. - 8:10 p.m.
IAH
-
SEA
12h 15m1 stop
C$ 282Multiple Airlines
Sat, 24 Jan - Sun, 1 Feb
Multiple Airlines Logo
12:54 p.m. - 5:55 a.m.
SEA
-
IAH
15h 01m1 stop
Multiple Airlines Logo
9:55 a.m. - 8:10 p.m.
IAH
-
SEA
12h 15m1 stop
C$ 298Multiple Airlines
Sat, 24 Jan - Sun, 1 Feb
Multiple Airlines Logo
12:30 p.m. - 11:39 p.m.
SEA
-
IAH
9h 09m1 stop
Multiple Airlines Logo
6:45 a.m. - 11:19 a.m.
IAH
-
SEA
6h 34m1 stop
C$ 302Multiple Airlines
Sat, 24 Jan - Sun, 1 Feb
United Airlines Logo
12:57 p.m. - 7:25 p.m.
SEA
-
IAH
4h 28mdirect
United Airlines Logo
7:57 p.m. - 10:59 p.m.
IAH
-
SEA
5h 02mdirect
C$ 327United Airlines
Wed, 14 Jan - Wed, 21 Jan
Frontier Logo
1:16 p.m. - 12:33 a.m.
SEA
-
IAH
9h 17m1 stop
Frontier Logo
6:39 a.m. - 11:19 a.m.
IAH
-
SEA
6h 40m1 stop
C$ 329Frontier
Sat, 21 Feb - Sun, 1 Mar
Multiple Airlines Logo
10:51 a.m. - 12:19 a.m.
SEA
-
IAH
11h 28m2 stops
Multiple Airlines Logo
9:55 a.m. - 8:10 p.m.
IAH
-
SEA
12h 15m1 stop
C$ 332Multiple Airlines
Fri, 23 Jan - Sun, 1 Feb
United Airlines Logo
12:40 p.m. - 7:08 p.m.
SEA
-
IAH
4h 28mdirect
United Airlines Logo
8:23 a.m. - 4:01 p.m.
IAH
-
SEA
9h 38m1 stop
C$ 335United Airlines
Sat, 10 Jan - Tue, 13 Jan
Multiple Airlines Logo
5:39 p.m. - 11:54 p.m.
SEA
-
IAH
4h 15mdirect
Multiple Airlines Logo
6:45 a.m. - 11:19 a.m.
IAH
-
SEA
6h 34m1 stop
C$ 339Multiple Airlines
Sat, 24 Jan - Sun, 1 Feb
Alaska Airlines Logo
8:55 a.m. - 4:57 p.m.
SEA
-
IAH
6h 02m1 stop
Alaska Airlines Logo
7:17 p.m. - 10:10 p.m.
IAH
-
SEA
4h 53mdirect
C$ 340Alaska Airlines
Tue, 6 Jan - Wed, 21 Jan
Multiple Airlines Logo
12:54 p.m. - 9:07 a.m.
SEA
-
IAH
18h 13m2 stops
Multiple Airlines Logo
6:45 a.m. - 11:19 a.m.
IAH
-
SEA
6h 34m1 stop
C$ 344Multiple Airlines
Sat, 24 Jan - Sun, 1 Feb

Alaska Airlines flights from Seattle to Houston George Bush Intcntl Airport

Our best Alaska Airlines deals on Seattle to Houston George Bush Intcntl Airport flight tickets
Alaska Airlines
24 Jan
SEA5:39 p.m.Seattle/Tacoma Intl
4h 15m
IAH11:54 p.m.Houston George Bush Intcntl
27 Jan
IAH7:17 p.m.Houston George Bush Intcntl
4h 53m
SEA10:10 p.m.Seattle/Tacoma Intl
C$ 327
Find similar
Alaska Airlines
6 Jan
SEA11:15 p.m.Seattle/Tacoma Intl
15h 40m
1 stop
IAH4:55 p.m.Houston George Bush Intcntl
21 Jan
IAH7:17 p.m.Houston George Bush Intcntl
4h 53m
SEA10:10 p.m.Seattle/Tacoma Intl
C$ 340
Find similar
Alaska Airlines
6 Jan
SEA5:20 a.m.Seattle/Tacoma Intl
9h 37m
1 stop
IAH4:57 p.m.Houston George Bush Intcntl
13 Jan
IAH5:55 p.m.Houston George Bush Intcntl
6h 38m
1 stop
SEA10:33 p.m.Seattle/Tacoma Intl
C$ 353
Find similar

Delta flights from Seattle to Houston George Bush Intcntl Airport

Our best Delta deals on Seattle to Houston George Bush Intcntl Airport flight tickets
Delta
20 Jan
SEA9:25 a.m.Seattle/Tacoma Intl
6h 21m
1 stop
IAH5:46 p.m.Houston George Bush Intcntl
27 Jan
IAH7:20 a.m.Houston George Bush Intcntl
7h 13m
1 stop
SEA12:33 p.m.Seattle/Tacoma Intl
C$ 329
Find similar
Delta
17 Jan
SEA7:25 a.m.Seattle/Tacoma Intl
13h 50m
2 stops
IAH11:15 p.m.Houston George Bush Intcntl
31 Jan
IAH6:36 a.m.Houston George Bush Intcntl
13h 47m
2 stops
SEA6:23 p.m.Seattle/Tacoma Intl
C$ 380
Find similar
Delta
20 Jan
SEA9:25 a.m.Seattle/Tacoma Intl
6h 21m
1 stop
IAH5:46 p.m.Houston George Bush Intcntl
30 Jan
IAH3:03 p.m.Houston George Bush Intcntl
8h 46m
1 stop
SEA9:49 p.m.Seattle/Tacoma Intl
C$ 383
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Houston George Bush Intcntl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Seattle to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 24/1

12:54 p.m.-9:07 a.m.

2 stops18h 13m

Houston George Bush Intcntl

Sun 1/2

9:55 a.m.-8:10 p.m.

1 stop12h 15m

C$ 282

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 24/1

12:54 p.m.-5:55 a.m.

1 stop15h 01m

Houston George Bush Intcntl

Sun 1/2

9:55 a.m.-8:10 p.m.

1 stop12h 15m

C$ 298

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 24/1

12:30 p.m.-11:39 p.m.

1 stop9h 09m

Houston George Bush Intcntl

Sun 1/2

6:45 a.m.-11:19 a.m.

1 stop6h 34m

C$ 302

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 14/1

12:57 p.m.-7:25 p.m.

Nonstop4h 28m

Houston George Bush Intcntl

Wed 21/1

7:57 p.m.-10:59 p.m.

Nonstop5h 02m

C$ 327

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 21/2

1:16 p.m.-12:33 a.m.

1 stop9h 17m

Houston George Bush Intcntl

Sun 1/3

6:39 a.m.-11:19 a.m.

1 stop6h 40m

C$ 329

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 23/1

10:51 a.m.-12:19 a.m.

2 stops11h 28m

Houston George Bush Intcntl

Sun 1/2

9:55 a.m.-8:10 p.m.

1 stop12h 15m

C$ 332

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 10/1

12:40 p.m.-7:08 p.m.

Nonstop4h 28m

Houston George Bush Intcntl

Tue 13/1

8:23 a.m.-4:01 p.m.

1 stop9h 38m

C$ 335

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 24/1

5:39 p.m.-11:54 p.m.

Nonstop4h 15m

Houston George Bush Intcntl

Sun 1/2

6:45 a.m.-11:19 a.m.

1 stop6h 34m

C$ 339

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 6/1

8:55 a.m.-4:57 p.m.

1 stop6h 02m

Houston George Bush Intcntl

Wed 21/1

7:17 p.m.-10:10 p.m.

Nonstop4h 53m

C$ 340

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 24/1

12:54 p.m.-9:07 a.m.

2 stops18h 13m

Houston George Bush Intcntl

Sun 1/2

6:45 a.m.-11:19 a.m.

1 stop6h 34m

C$ 344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Seattle to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston George Bush Intcntl Airport?

If you don’t want to visit Houston George Bush Intcntl Airport in September, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 422.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart on your flight to Houston George Bush Intcntl Airport is on a Wednesday when prices can be found for as low as C$ 578. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 945. These prices are subject to change though, so be sure to set up a Price Alert for flights to Houston George Bush Intcntl Airport.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Flying to Houston George Bush Intcntl Airport from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as C$ 486 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around C$ 964. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to Houston George Bush Intcntl flight route?

Fly from Seattle/Tacoma Intl to Houston George Bush Intcntl for the best Seattle/Tacoma Intl - Houston George Bush Intcntl flight prices

How far in advance should I book a flight to Houston George Bush Intcntl Airport?

You are more likely to see cheaper flights to Houston George Bush Intcntl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston George Bush Intcntl Airport for around C$ 527 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston George Bush Intcntl Airport from Seattle for as low as C$ 340 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Houston George Bush Intcntl flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Houston George Bush Intcntl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Houston George Bush Intcntl Airport flights?

No. A direct flight is the cheapest option for a flight between Seattle to Houston George Bush Intcntl Airport.

How have Seattle to Houston George Bush Intcntl Airport flight prices changed over time?

As of December 2025, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 74% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Houston George Bush Intcntl Airport (SEA to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Houston George Bush Intcntl Airport

Fastest flight time

4h 18m

Direct flights

Every day
The fastest flight from Seattle to Houston George Bush Intcntl Airport takes 4h 18m
Direct flights go from Seattle to Houston George Bush Intcntl Airport every day.
Search flight deals

  • How far is Seattle/Tacoma Intl to Houston George Bush Intcntl by plane?

    The distance between Seattle/Tacoma Intl and Houston George Bush Intcntl is about 3022.3 km. A reasonable flight in good conditions will take 4h 18m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The travel and health documents you'll need for your trip to Houston George Bush Intcntl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston George Bush Intcntl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Houston George Bush Intcntl Airport?

  • What is the most popular airline from Seattle to Houston George Bush Intcntl Airport?

Best airlines flying from Seattle to Houston George Bush Intcntl Airport

Compare and see reviews for airlines that fly from Seattle to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom C$ 206Free CancellationRating
5.8
3,080 reviews
Search Frontier flights
Alaska AirlinesPriceFrom C$ 265Free CancellationRating
8.0
11,479 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Houston George Bush Intcntl Airport

    Alaska Airlines operates around 2 flights from Seattle to Houston George Bush Intcntl Airport every week. The average price of these flights found in the last 72 hours has been C$ 393, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as C$ 265 round-trip. Alaska Airlines has been scored 8.0/10 in 11,479 reviews.

Travelling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Humble
Spring

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Houston?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Houston. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Houston?

momondo helps you find the best flight between Seattle and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Houston right now. Can momondo alert me if prices change?

Price alerts on flights to Houston from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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