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Cheap flights from Seattle to Houston from C$ 163

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 3/3. 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

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Multiple Airlines Logo
5:30 p.m. - 11:59 p.m.
SEA
-
IAH
4h 29mdirect
Multiple Airlines Logo
9:33 a.m. - 5:42 p.m.
IAH
-
SEA
10h 09m
1 stop
C$ 348Multiple Airlines
Wed, 13 May - Tue, 19 May
Alaska Airlines Logo
11:01 p.m. - 5:21 a.m.
SEA
-
IAH
4h 20mdirect
Alaska Airlines Logo
4:51 p.m. - 7:48 p.m.
IAH
-
SEA
4h 57mdirect
C$ 351Alaska Airlines
Tue, 31 Mar - Fri, 3 Apr
Multiple Airlines Logo
11:01 p.m. - 5:21 a.m.
SEA
-
IAH
4h 20mdirect
Multiple Airlines Logo
6:02 p.m. - 4:44 p.m.
IAH
-
SEA
24h 42m
1 stop
C$ 354Multiple Airlines
Mon, 23 Mar - Tue, 31 Mar
United Airlines Logo
2:15 p.m. - 8:40 p.m.
SEA
-
IAH
4h 25mdirect
United Airlines Logo
4:25 p.m. - 7:25 p.m.
IAH
-
SEA
5h 00mdirect
C$ 356United Airlines
Sat, 7 Mar - Tue, 10 Mar
Multiple Airlines Logo
9:36 p.m. - 3:09 p.m.
SEA
-
IAH
15h 33m
1 stop
Multiple Airlines Logo
6:02 p.m. - 5:09 p.m.
IAH
-
SEA
25h 07m
1 stop
C$ 359Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
United Airlines Logo
6:45 a.m. - 1:07 p.m.
SEA
-
IAH
4h 22mdirect
United Airlines Logo
7:57 p.m. - 11:00 p.m.
IAH
-
SEA
5h 03mdirect
C$ 361United Airlines
Wed, 25 Feb - Tue, 3 Mar
Alaska Airlines Logo
11:01 p.m. - 5:21 a.m.
SEA
-
IAH
4h 20mdirect
Alaska Airlines Logo
4:51 p.m. - 7:48 p.m.
IAH
-
SEA
4h 57mdirect
C$ 363Alaska Airlines
Mon, 23 Mar - Tue, 31 Mar
Alaska Airlines Logo
11:01 p.m. - 5:21 a.m.
SEA
-
IAH
4h 20mdirect
Alaska Airlines Logo
7:00 a.m. - 9:57 a.m.
IAH
-
SEA
4h 57mdirect
C$ 365Alaska Airlines
Sat, 28 Mar - Fri, 3 Apr
Multiple Airlines Logo
9:36 p.m. - 3:09 p.m.
SEA
-
IAH
15h 33m
1 stop
Multiple Airlines Logo
6:45 a.m. - 8:21 p.m.
IAH
-
SEA
15h 36m
2 stops
C$ 366Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
Frontier Logo
10:08 p.m. - 9:42 a.m.
SEA
-
IAH
9h 34m
1 stop
Frontier Logo
6:45 a.m. - 11:19 a.m.
IAH
-
SEA
6h 34m
1 stop
C$ 367Frontier
Sun, 22 Mar - Mon, 30 Mar

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
28 Mar
SEA6:53 a.m.Seattle/Tacoma Intl
8h 59m
1 stop
IAH5:52 p.m.Houston George Bush Intcntl
11 Apr
IAH5:00 a.m.Houston George Bush Intcntl
6h 35m
1 stop
SEA9:35 a.m.Seattle/Tacoma Intl
C$ 473
American Airlines
15 Feb
SEA6:44 a.m.Seattle/Tacoma Intl
7h 17m
1 stop
IAH4:01 p.m.Houston George Bush Intcntl
19 Feb
IAH6:00 a.m.Houston George Bush Intcntl
6h 55m
1 stop
SEA10:55 a.m.Seattle/Tacoma Intl
C$ 832
American Airlines
9 Feb
SEA6:38 p.m.Seattle/Tacoma Intl
14h 09m
2 stops
IAH10:47 a.m.Houston George Bush Intcntl
10 Feb
IAH2:24 p.m.Houston George Bush Intcntl
8h 11m
1 stop
SEA8:35 p.m.Seattle/Tacoma Intl
C$ 929

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
31 Mar
SEA11:01 p.m.Seattle/Tacoma Intl
4h 20m
IAH5:21 a.m.Houston George Bush Intcntl
3 Apr
IAH4:51 p.m.Houston George Bush Intcntl
4h 57m
SEA7:48 p.m.Seattle/Tacoma Intl
C$ 351
Alaska Airlines
23 Mar
SEA11:01 p.m.Seattle/Tacoma Intl
4h 20m
IAH5:21 a.m.Houston George Bush Intcntl
31 Mar
IAH4:51 p.m.Houston George Bush Intcntl
4h 57m
SEA7:48 p.m.Seattle/Tacoma Intl
C$ 363
Alaska Airlines
23 Feb
SEA5:39 p.m.Seattle/Tacoma Intl
4h 15m
IAH11:54 p.m.Houston George Bush Intcntl
26 Feb
IAH6:53 p.m.Houston George Bush Intcntl
4h 59m
SEA9:52 p.m.Seattle/Tacoma Intl
C$ 378

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 3 February 2026.
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

Wed 13/5

5:30 p.m.-11:59 p.m.

Nonstop4h 29m

Houston George Bush Intcntl

Tue 19/5

9:33 a.m.-5:42 p.m.

1 stop10h 09m

C$ 348

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 31/3

11:01 p.m.-5:21 a.m.

Nonstop4h 20m

Houston George Bush Intcntl

Fri 3/4

4:51 p.m.-7:48 p.m.

Nonstop4h 57m

C$ 351

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 23/3

11:01 p.m.-5:21 a.m.

Nonstop4h 20m

Houston George Bush Intcntl

Tue 31/3

6:02 p.m.-4:44 p.m.

1 stop24h 42m

C$ 354

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 7/3

2:15 p.m.-8:40 p.m.

Nonstop4h 25m

Houston George Bush Intcntl

Tue 10/3

4:25 p.m.-7:25 p.m.

Nonstop5h 00m

C$ 356

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 23/3

9:36 p.m.-3:09 p.m.

1 stop15h 33m

Houston George Bush Intcntl

Mon 30/3

6:02 p.m.-5:09 p.m.

1 stop25h 07m

C$ 359

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 25/2

6:45 a.m.-1:07 p.m.

Nonstop4h 22m

Houston George Bush Intcntl

Tue 3/3

7:57 p.m.-11:00 p.m.

Nonstop5h 03m

C$ 361

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 23/3

11:01 p.m.-5:21 a.m.

Nonstop4h 20m

Houston George Bush Intcntl

Tue 31/3

4:51 p.m.-7:48 p.m.

Nonstop4h 57m

C$ 363

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 28/3

11:01 p.m.-5:21 a.m.

Nonstop4h 20m

Houston George Bush Intcntl

Fri 3/4

7:00 a.m.-9:57 a.m.

Nonstop4h 57m

C$ 365

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 23/3

9:36 p.m.-3:09 p.m.

1 stop15h 33m

Houston George Bush Intcntl

Mon 30/3

6:45 a.m.-8:21 p.m.

2 stops15h 36m

C$ 366

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 22/3

10:08 p.m.-9:42 a.m.

1 stop9h 34m

Houston George Bush Intcntl

Mon 30/3

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

1 stop6h 34m

C$ 367

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$ 418.

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 Saturday when prices can be found for as low as C$ 528. 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 Tuesday because tickets tend to average around C$ 981. 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$ 513 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around C$ 892. 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$ 515 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$ 337 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?

You could potentially save up to 50% on your flight if you consider stops on a Seattle to Houston George Bush Intcntl Airport flight.

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

As of February 2026, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 41% 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

Best price found

C$ 225

Fastest flight time

4h 21m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Seattle in the past 72 hours is C$ 225. The best round-trip flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is C$ 457.
The fastest flight from Seattle to Houston George Bush Intcntl Airport takes 4h 21m
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 21m.

  • 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$ 213Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Alaska AirlinesPriceFrom C$ 263Free CancellationRating
8.0
11,835 reviews
Search Alaska Airlines flights

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

    Alaska Airlines operates around 10 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$ 513, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as C$ 263 round-trip. Alaska Airlines has been scored 8.0/10 in 11,835 reviews.

Travelling to a place near Houston?

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

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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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