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Cheap flights from Seattle to Houston from $191

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 8/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:15 pm - 11:24 am
SEA
-
IAH
13h 09m
1 stop
Frontier Logo
10:30 am - 3:08 pm
IAH
-
SEA
6h 38m
1 stop
$269Frontier
Sat, Sep 19 - Sat, Sep 26
Frontier Logo
7:41 pm - 12:20 pm
SEA
-
IAH
14h 39m
1 stop
Frontier Logo
7:58 pm - 9:51 am
IAH
-
SEA
15h 53m
1 stop
$270Frontier
Tue, Oct 13 - Sat, Oct 17
Multiple Airlines Logo
5:34 pm - 11:59 pm
SEA
-
IAH
4h 25mnonstop
Multiple Airlines Logo
6:25 am - 3:08 pm
IAH
-
SEA
10h 43m
1 stop
$297Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
5:34 pm - 11:59 pm
SEA
-
IAH
4h 25mnonstop
Multiple Airlines Logo
6:30 am - 1:22 pm
IAH
-
SEA
8h 52m
1 stop
$297Multiple Airlines
Thu, Aug 20 - Tue, Aug 25
Alaska Airlines Logo
10:47 am - 5:14 pm
SEA
-
IAH
4h 27mnonstop
Alaska Airlines Logo
6:02 am - 8:46 am
IAH
-
SEA
4h 44mnonstop
$330Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
United Airlines Logo
5:00 pm - 11:24 pm
SEA
-
IAH
4h 24mnonstop
United Airlines Logo
4:20 pm - 7:08 pm
IAH
-
SEA
4h 48mnonstop
$337United Airlines
Wed, Sep 9 - Wed, Sep 16
Alaska Airlines Logo
5:34 pm - 11:59 pm
SEA
-
IAH
4h 25mnonstop
Alaska Airlines Logo
7:02 am - 9:42 am
IAH
-
SEA
4h 40mnonstop
$337Alaska Airlines
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
7:30 am - 6:12 pm
SEA
-
IAH
8h 42m
1 stop
American Airlines Logo
6:00 am - 1:15 pm
IAH
-
SEA
9h 15m
1 stop
$357American Airlines
Wed, Oct 21 - Tue, Nov 3
United Airlines Logo
11:59 pm - 6:17 am
SEA
-
IAH
4h 18mnonstop
United Airlines Logo
4:20 pm - 7:08 pm
IAH
-
SEA
4h 48mnonstop
$362United Airlines
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
7:30 am - 6:12 pm
SEA
-
IAH
8h 42m
1 stop
American Airlines Logo
6:00 am - 1:15 pm
IAH
-
SEA
9h 15m
1 stop
$397American Airlines
Wed, Oct 21 - Tue, Nov 3

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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
Sep 19
SEA8:15 pmSeattle/Tacoma Intl
13h 09m
1 stop
IAH11:24 amHouston George Bush Intcntl
Sep 26
IAH10:30 amHouston George Bush Intcntl
6h 38m
1 stop
SEA3:08 pmSeattle/Tacoma Intl
$269
Frontier
Sep 11
SEA10:53 amSeattle/Tacoma Intl
11h 05m
1 stop
IAH11:58 pmHouston George Bush Intcntl
Sep 19
IAH6:25 amHouston George Bush Intcntl
10h 43m
1 stop
SEA3:08 pmSeattle/Tacoma Intl
$270
Frontier
Sep 10
SEA4:27 pmSeattle/Tacoma Intl
15h 08m
1 stop
IAH9:35 amHouston George Bush Intcntl
Sep 15
IAH6:25 amHouston George Bush Intcntl
10h 43m
1 stop
SEA3:08 pmSeattle/Tacoma Intl
$271

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 August 4, 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

Cheapest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 9/19

8:15 pm-11:24 am

1 stop13h 09m

Houston George Bush Intcntl

Sat 9/26

10:30 am-3:08 pm

1 stop6h 38m

$269

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 10/13

7:41 pm-12:20 pm

1 stop14h 39m

Houston George Bush Intcntl

Sat 10/17

7:58 pm-9:51 am

1 stop15h 53m

$270

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 9/9

5:34 pm-11:59 pm

Nonstop4h 25m

Houston George Bush Intcntl

Wed 9/16

6:25 am-3:08 pm

1 stop10h 43m

$297

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 8/20

5:34 pm-11:59 pm

Nonstop4h 25m

Houston George Bush Intcntl

Tue 8/25

6:30 am-1:22 pm

1 stop8h 52m

$297

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 10/28

10:47 am-5:14 pm

Nonstop4h 27m

Houston George Bush Intcntl

Sat 10/31

6:02 am-8:46 am

Nonstop4h 44m

$330

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 9/9

5:00 pm-11:24 pm

Nonstop4h 24m

Houston George Bush Intcntl

Wed 9/16

4:20 pm-7:08 pm

Nonstop4h 48m

$337
Quickest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 9/12

5:34 pm-11:59 pm

Nonstop4h 25m

Houston George Bush Intcntl

Sat 9/19

7:02 am-9:42 am

Nonstop4h 40m

$337

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 10/21

7:30 am-6:12 pm

1 stop8h 42m

Houston George Bush Intcntl

Tue 11/3

6:00 am-1:15 pm

1 stop9h 15m

$357

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 8/22

11:59 pm-6:17 am

Nonstop4h 18m

Houston George Bush Intcntl

Sat 8/29

4:20 pm-7:08 pm

Nonstop4h 48m

$362

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 10/21

7:30 am-6:12 pm

1 stop8h 42m

Houston George Bush Intcntl

Tue 11/3

6:00 am-1:15 pm

1 stop9h 15m

$397

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 typical price of a round-trip flight between Seattle and Houston George Bush Intcntl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $347 to $563.
The lowest price recently found on this route was $269.

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

The month of October is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from Seattle, with most prices found around $330. If you are unable to visit Houston George Bush Intcntl Airport during the month of October, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $330.

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 Wednesday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Wednesday will often find tickets for as low as $493. 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 $611.

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 $387. Try not to purchase tickets in the evening because they tend to be around $573. 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 from Seattle 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 $406 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 $208 on momondo.

What cabin class options are available on Seattle to Houston George Bush Intcntl Airport flights?

There are 4 cabin classes available to choose from on Seattle to Houston George Bush Intcntl Airport 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 August 2026, prices for Seattle to Houston George Bush Intcntl Airport flights are approximately 48% 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

$262

Fastest flight time

4h 16m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from Seattle in the past 72 hours is $262. The best round-trip flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $457.
The fastest flight from Seattle to Houston George Bush Intcntl Airport takes 4h 16m
Direct flights go from Seattle to Houston George Bush Intcntl Airport every day.
Search flight deals

Frequently asked questions about flying from Seattle to Houston George Bush Intcntl Airport

  • 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 16m 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
DeltaPriceFrom $98Free CancellationRating
7.8
8,483 reviews
Search Delta flights
FrontierPriceFrom $147Free CancellationRating
5.6
2,738 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $237Free CancellationRating
7.9
12,762 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
10,060 reviews
Search United Airlines flights
American AirlinesPriceFrom $256Free CancellationRating
7.1
11,851 reviews
Search American 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 $436, but momondo users have found Alaska Airlines deals from Seattle to Houston George Bush Intcntl Airport from as low as $237 round-trip. Alaska Airlines has been scored 7.9/10 in 12,758 reviews.

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

    $240 is the best United Airlines flight deal from Seattle to Houston George Bush Intcntl Airport found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $447, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 10,058 user reviews) flies into Houston George Bush Intcntl Airport from Seattle 13 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
Humble
Conroe
Montgomery
Spring
Cypress
Jersey Village
Livingston
Tomball

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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