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Cheap flights from Seattle to Houston from $119

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 4/28. 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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Alaska Airlines Logo
11:14 pm - 5:40 am
SEA
-
IAH
4h 26mnonstop
Alaska Airlines Logo
7:00 am - 9:49 am
IAH
-
SEA
4h 49mnonstop
$252Alaska Airlines
Wed, Apr 22 - Thu, Apr 23
Frontier Logo
1:16 pm - 12:33 am
SEA
-
IAH
9h 17m
1 stop
Frontier Logo
7:34 pm - 10:54 am
IAH
-
SEA
17h 20m
2 stops
$253Frontier
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
8:25 am - 5:18 pm
SEA
-
IAH
6h 53m
1 stop
Multiple Airlines Logo
9:33 am - 5:42 pm
IAH
-
SEA
10h 09m
1 stop
$254Multiple Airlines
Fri, Apr 24 - Wed, Apr 29
Frontier Logo
12:24 pm - 10:01 pm
SEA
-
IAH
7h 37m
1 stop
Frontier Logo
10:28 pm - 11:37 am
IAH
-
SEA
15h 09m
1 stop
$255Frontier
Mon, Mar 23 - Sat, Apr 4
Frontier Logo
12:42 pm - 9:33 pm
SEA
-
IAH
6h 51m
1 stop
Frontier Logo
9:33 am - 5:42 pm
IAH
-
SEA
10h 09m
1 stop
$256Frontier
Sat, Apr 11 - Tue, Apr 14
Alaska Airlines Logo
11:01 pm - 5:21 am
SEA
-
IAH
4h 20mnonstop
Alaska Airlines Logo
7:00 am - 9:57 am
IAH
-
SEA
4h 57mnonstop
$257Alaska Airlines
Tue, Mar 24 - Sat, Apr 4
Multiple Airlines Logo
1:16 pm - 12:33 am
SEA
-
IAH
9h 17m
1 stop
Multiple Airlines Logo
5:33 pm - 10:18 pm
IAH
-
SEA
6h 45m
1 stop
$258Multiple Airlines
Thu, Feb 19 - Tue, Feb 24
Multiple Airlines Logo
11:01 pm - 5:21 am
SEA
-
IAH
4h 20mnonstop
Multiple Airlines Logo
9:44 am - 3:05 pm
IAH
-
SEA
7h 21m
1 stop
$259Multiple Airlines
Sun, Apr 19 - Thu, Apr 23
Multiple Airlines Logo
5:41 pm - 11:56 pm
SEA
-
IAH
4h 15mnonstop
Multiple Airlines Logo
1:00 pm - 10:54 am
IAH
-
SEA
23h 54m
1 stop
$260Multiple Airlines
Fri, Feb 20 - Mon, Feb 23
Frontier Logo
12:00 pm - 12:33 am
SEA
-
IAH
10h 33m
1 stop
Frontier Logo
9:36 pm - 8:13 am
IAH
-
SEA
12h 37m
1 stop
$261Frontier
Fri, Feb 27 - Sun, Mar 1

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
Apr 22
SEA11:14 pmSeattle/Tacoma Intl
4h 26m
IAH5:40 amHouston George Bush Intcntl
Apr 23
IAH7:00 amHouston George Bush Intcntl
4h 49m
SEA9:49 amSeattle/Tacoma Intl
$252
Alaska Airlines
Mar 24
SEA11:01 pmSeattle/Tacoma Intl
4h 20m
IAH5:21 amHouston George Bush Intcntl
Apr 4
IAH7:00 amHouston George Bush Intcntl
4h 57m
SEA9:57 amSeattle/Tacoma Intl
$257
Alaska Airlines
Mar 24
SEA11:01 pmSeattle/Tacoma Intl
4h 20m
IAH5:21 amHouston George Bush Intcntl
Apr 3
IAH7:00 amHouston George Bush Intcntl
4h 57m
SEA9:57 amSeattle/Tacoma Intl
$267

Frontier flights from Seattle to Houston George Bush Intcntl Airport

Our best Frontier deals on Seattle to Houston George Bush Intcntl Airport flight tickets
Frontier
Feb 19
SEA1:16 pmSeattle/Tacoma Intl
9h 17m
1 stop
IAH12:33 amHouston George Bush Intcntl
Feb 23
IAH7:34 pmHouston George Bush Intcntl
17h 20m
2 stops
SEA10:54 amSeattle/Tacoma Intl
$253
Frontier
Mar 23
SEA12:24 pmSeattle/Tacoma Intl
7h 37m
1 stop
IAH10:01 pmHouston George Bush Intcntl
Apr 4
IAH10:28 pmHouston George Bush Intcntl
15h 09m
1 stop
SEA11:37 amSeattle/Tacoma Intl
$255
Frontier
Apr 11
SEA12:42 pmSeattle/Tacoma Intl
6h 51m
1 stop
IAH9:33 pmHouston George Bush Intcntl
Apr 14
IAH9:33 amHouston George Bush Intcntl
10h 09m
1 stop
SEA5:42 pmSeattle/Tacoma Intl
$256

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 832,500 searches. Data last updated January 31, 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 4/22

11:14 pm-5:40 am

Nonstop4h 26m

Houston George Bush Intcntl

Thu 4/23

7:00 am-9:49 am

Nonstop4h 49m

$252

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-12:33 am

1 stop9h 17m

Houston George Bush Intcntl

Mon 2/23

7:34 pm-10:54 am

2 stops17h 20m

$253

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 4/24

8:25 am-5:18 pm

1 stop6h 53m

Houston George Bush Intcntl

Wed 4/29

9:33 am-5:42 pm

1 stop10h 09m

$254

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 3/23

12:24 pm-10:01 pm

1 stop7h 37m

Houston George Bush Intcntl

Sat 4/4

10:28 pm-11:37 am

1 stop15h 09m

$255

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 4/11

12:42 pm-9:33 pm

1 stop6h 51m

Houston George Bush Intcntl

Tue 4/14

9:33 am-5:42 pm

1 stop10h 09m

$256

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 3/24

11:01 pm-5:21 am

Nonstop4h 20m

Houston George Bush Intcntl

Sat 4/4

7:00 am-9:57 am

Nonstop4h 57m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-12:33 am

1 stop9h 17m

Houston George Bush Intcntl

Tue 2/24

5:33 pm-10:18 pm

1 stop6h 45m

$258

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 4/19

11:01 pm-5:21 am

Nonstop4h 20m

Houston George Bush Intcntl

Thu 4/23

9:44 am-3:05 pm

1 stop7h 21m

$259

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 2/20

5:41 pm-11:56 pm

Nonstop4h 15m

Houston George Bush Intcntl

Mon 2/23

1:00 pm-10:54 am

1 stop23h 54m

$260

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 2/27

12:00 pm-12:33 am

1 stop10h 33m

Houston George Bush Intcntl

Sun 3/1

9:36 pm-8:13 am

1 stop12h 37m

$261

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?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Seattle, with most prices found around $257. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from Seattle during the month October is also very affordable. Most momondo users find prices during this month for around $306.

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

The cheapest day to depart from Seattle to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $502. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Sunday is $620.

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

Our data shows that the cheapest Seattle to Houston George Bush Intcntl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Houston George Bush Intcntl Airport in the afternoon for as low as $385. Try not to purchase tickets in the evening because they tend to be around $585. 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 $377 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 $247 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 January 2026, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 34% 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

$173

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 $173. The best round-trip flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $363.
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 straight-line distance from Seattle/Tacoma Intl to Houston George Bush Intcntl is 1878.0 mi. 4h 15m is a normal flight duration for this route.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
Hawaiian AirlinesPriceFrom $128Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $147Free CancellationRating
5.7
3,054 reviews
Search Frontier flights
DeltaPriceFrom $160Free CancellationRating
7.9
8,130 reviews
Search Delta flights
Alaska AirlinesPriceFrom $207Free CancellationRating
8.0
11,819 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
9,219 reviews
Search United Airlines flights
American AirlinesPriceFrom $276Free CancellationRating
7.2
11,211 reviews
Search American Airlines flights

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

    Alaska Airlines operates around 9 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 $390, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as $207 round-trip. Alaska Airlines has been scored 8.0/10 in 11,819 reviews.

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

    $128 is the best Hawaiian Airlines flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo over the last 72 hours. The average Hawaiian Airlines ticket price found was closer to $347, however, with flight time and availability significantly affecting the price. Hawaiian Airlines (7.8/10 from 2,830 user reviews) flies into Houston George Bush Intcntl Airport from Seattle 9 times in an average week so prices can vary.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Conroe
Cypress
Humble
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

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

Finding the right flight to Houston from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

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?

Once all potential Seattle to Houston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Houston from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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