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Cheap flights from Seattle to Houston from C$ 166

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 9/12. 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
1:37 p.m. - 12:39 p.m.SEA-IAH
21h 02m1 stop
Multiple Airlines Logo
5:00 a.m. - 2:37 p.m.IAH-SEA
11h 37m1 stop
C$ 293Multiple Airlines
Find Deal
Tue, 18 Nov - Fri, 21 Nov
Multiple Airlines Logo
1:37 p.m. - 12:39 p.m.SEA-IAH
21h 02m1 stop
Multiple Airlines Logo
6:05 p.m. - 1:22 p.m.IAH-SEA
21h 17m2 stops
C$ 298Multiple Airlines
Find Deal
Tue, 18 Nov - Fri, 21 Nov
Alaska Airlines Logo
5:36 p.m. - 11:59 p.m.SEA-IAH
4h 23mdirect
Alaska Airlines Logo
7:20 p.m. - 10:15 p.m.IAH-SEA
4h 55mdirect
C$ 330Alaska Airlines
Find Deal
Sat, 6 Dec - Wed, 10 Dec
Alaska Airlines Logo
8:55 a.m. - 4:57 p.m.SEA-IAH
6h 02m1 stop
Alaska Airlines Logo
7:17 p.m. - 10:13 p.m.IAH-SEA
4h 56mdirect
C$ 344Alaska Airlines
Find Deal
Tue, 6 Jan - Wed, 21 Jan
Alaska Airlines Logo
8:55 a.m. - 4:57 p.m.SEA-IAH
6h 02m1 stop
Alaska Airlines Logo
5:55 p.m. - 10:33 p.m.IAH-SEA
6h 38m1 stop
C$ 357Alaska Airlines
Find Deal
Tue, 6 Jan - Wed, 21 Jan
Delta Logo
1:30 p.m. - 9:40 p.m.SEA-IAH
6h 10m1 stop
Delta Logo
3:40 p.m. - 12:16 a.m.IAH-SEA
10h 36m1 stop
C$ 358Delta
Find Deal
Tue, 10 Mar - Wed, 11 Mar
American Airlines Logo
7:35 a.m. - 5:05 p.m.SEA-IAH
7h 30m1 stop
American Airlines Logo
11:27 a.m. - 7:18 p.m.IAH-SEA
9h 51m1 stop
C$ 364American Airlines
Find Deal
Tue, 6 Jan - Mon, 12 Jan
Frontier Logo
1:37 p.m. - 12:39 p.m.SEA-IAH
21h 02m1 stop
Frontier Logo
6:40 p.m. - 1:22 p.m.IAH-SEA
20h 42m1 stop
C$ 365Frontier
Find Deal
Tue, 18 Nov - Sat, 22 Nov
Delta Logo
11:59 p.m. - 10:12 a.m.SEA-IAH
8h 13m1 stop
Delta Logo
7:15 p.m. - 12:47 p.m.IAH-SEA
19h 32m2 stops
C$ 385Delta
Find Deal
Tue, 2 Dec - Sun, 7 Dec
American Airlines Logo
11:55 a.m. - 10:49 p.m.SEA-IAH
8h 54m1 stop
American Airlines Logo
11:27 a.m. - 7:18 p.m.IAH-SEA
9h 51m1 stop
C$ 404American Airlines
Find Deal
Fri, 30 Jan - Mon, 9 Feb

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
10 Mar
SEA1:30 p.m.Seattle/Tacoma Intl
6h 10m
1 stop
IAH9:40 p.m.Houston George Bush Intcntl
11 Mar
IAH3:40 p.m.Houston George Bush Intcntl
10h 36m
1 stop
SEA12:16 a.m.Seattle/Tacoma Intl
C$ 358
Find similar
Delta
2 Dec
SEA11:59 p.m.Seattle/Tacoma Intl
8h 13m
1 stop
IAH10:12 a.m.Houston George Bush Intcntl
7 Dec
IAH7:15 p.m.Houston George Bush Intcntl
19h 32m
2 stops
SEA12:47 p.m.Seattle/Tacoma Intl
C$ 385
Find similar
Delta
3 Dec
SEA2:25 p.m.Seattle/Tacoma Intl
16h 26m
2 stops
IAH8:51 a.m.Houston George Bush Intcntl
7 Dec
IAH7:15 p.m.Houston George Bush Intcntl
13h 24m
2 stops
SEA6:39 a.m.Seattle/Tacoma Intl
C$ 398
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American Airlines flights from Seattle to Houston George Bush Intcntl Airport

Our best American Airlines deals on Seattle to Houston George Bush Intcntl Airport flight tickets
American Airlines
6 Jan
SEA7:35 a.m.Seattle/Tacoma Intl
7h 30m
1 stop
IAH5:05 p.m.Houston George Bush Intcntl
12 Jan
IAH11:27 a.m.Houston George Bush Intcntl
9h 51m
1 stop
SEA7:18 p.m.Seattle/Tacoma Intl
C$ 364
Find similar
American Airlines
30 Jan
SEA11:55 a.m.Seattle/Tacoma Intl
8h 54m
1 stop
IAH10:49 p.m.Houston George Bush Intcntl
9 Feb
IAH11:27 a.m.Houston George Bush Intcntl
9h 51m
1 stop
SEA7:18 p.m.Seattle/Tacoma Intl
C$ 404
Find similar
American Airlines
8 Nov
SEA12:59 a.m.Seattle/Tacoma Intl
9h 46m
1 stop
IAH12:45 p.m.Houston George Bush Intcntl
13 Nov
IAH6:06 p.m.Houston George Bush Intcntl
8h 52m
1 stop
SEA12:58 a.m.Seattle/Tacoma Intl
C$ 938
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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 30 October 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

Tue 18/11

1:37 p.m.-12:39 p.m.

1 stop21h 02m

Houston George Bush Intcntl

Fri 21/11

5:00 a.m.-2:37 p.m.

1 stop11h 37m

C$ 293

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 18/11

1:37 p.m.-12:39 p.m.

1 stop21h 02m

Houston George Bush Intcntl

Fri 21/11

6:05 p.m.-1:22 p.m.

2 stops21h 17m

C$ 298

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 6/12

5:36 p.m.-11:59 p.m.

Nonstop4h 23m

Houston George Bush Intcntl

Wed 10/12

7:20 p.m.-10:15 p.m.

Nonstop4h 55m

C$ 330

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.-10:13 p.m.

Nonstop4h 56m

C$ 344

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

5:55 p.m.-10:33 p.m.

1 stop6h 38m

C$ 357

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 10/3

1:30 p.m.-9:40 p.m.

1 stop6h 10m

Houston George Bush Intcntl

Wed 11/3

3:40 p.m.-12:16 a.m.

1 stop10h 36m

C$ 358

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 6/1

7:35 a.m.-5:05 p.m.

1 stop7h 30m

Houston George Bush Intcntl

Mon 12/1

11:27 a.m.-7:18 p.m.

1 stop9h 51m

C$ 364

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 18/11

1:37 p.m.-12:39 p.m.

1 stop21h 02m

Houston George Bush Intcntl

Sat 22/11

6:40 p.m.-1:22 p.m.

1 stop20h 42m

C$ 365

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 2/12

11:59 p.m.-10:12 a.m.

1 stop8h 13m

Houston George Bush Intcntl

Sun 7/12

7:15 p.m.-12:47 p.m.

2 stops19h 32m

C$ 385

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 30/1

11:55 a.m.-10:49 p.m.

1 stop8h 54m

Houston George Bush Intcntl

Mon 9/2

11:27 a.m.-7:18 p.m.

1 stop9h 51m

C$ 404

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 August to fly from Seattle, when ticket prices are also cheap, with an average price of C$ 483.

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$ 655. 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 Friday because tickets tend to average around C$ 1,063. 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$ 397 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around C$ 984. 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$ 531 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$ 375 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 October 2025, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 4% cheaper 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

Best price found

C$ 655

Fastest flight time

4h 15m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Seattle in the past 72 hours is C$ 655. The best round-trip flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is C$ 626.
The fastest flight from Seattle to Houston George Bush Intcntl Airport takes 4h 15m
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 15m.

  • 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$ 208Free CancellationRating
5.8
3,122 reviews
Search Frontier flights
Alaska AirlinesPriceFrom C$ 301Free CancellationRating
8.0
11,217 reviews
Search Alaska Airlines flights

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

    Alaska Airlines operates around 7 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$ 523, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as C$ 301 round-trip. Alaska Airlines has been scored 8.0/10 in 11,217 reviews.

Travelling to a place near Houston?

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