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Cheap flights from Seattle to Houston from $117

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 4/20. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:57 am - 12:02 pm
SEA
-
IAH
23h 05m
2 stops
Frontier Logo
6:45 am - 9:27 am
IAH
-
SEA
28h 42m
1 stop
$253Frontier
Thu, Apr 16 - Sun, Apr 19
Frontier Logo
9:34 pm - 3:07 pm
SEA
-
IAH
15h 33m
2 stops
Frontier Logo
3:32 pm - 9:27 am
IAH
-
SEA
19h 55m
1 stop
$254Frontier
Mon, Apr 13 - Wed, Apr 15
Frontier Logo
12:42 pm - 9:33 pm
SEA
-
IAH
6h 51m
1 stop
Frontier Logo
6:45 am - 3:05 pm
IAH
-
SEA
10h 20m
1 stop
$255Frontier
Fri, Apr 3 - Thu, Apr 16
Frontier Logo
11:51 am - 1:25 am
SEA
-
IAH
11h 34m
1 stop
Frontier Logo
9:00 pm - 10:36 am
IAH
-
SEA
15h 36m
1 stop
$256Frontier
Fri, May 22 - Wed, May 27
Frontier Logo
10:57 am - 12:48 am
SEA
-
IAH
11h 51m
2 stops
Frontier Logo
9:34 am - 9:27 am
IAH
-
SEA
25h 53m
1 stop
$257Frontier
Thu, Apr 30 - Sun, May 3
Southwest Logo
11:45 pm - 9:35 am
SEA
-
HOU
7h 50m
1 stop
Southwest Logo
6:05 pm - 10:55 pm
HOU
-
SEA
6h 50m
1 stop
$299Southwest
Wed, May 27 - Tue, Jun 2
Southwest Logo
11:35 am - 10:20 pm
SEA
-
HOU
8h 45m
2 stops
Southwest Logo
6:00 am - 11:20 am
HOU
-
SEA
7h 20m
1 stop
$304Southwest
Tue, Apr 21 - Tue, Apr 28
Southwest Logo
9:20 am - 6:50 pm
SEA
-
HOU
7h 30m
2 stops
Southwest Logo
2:45 pm - 11:55 pm
HOU
-
SEA
11h 10m
2 stops
$309Southwest
Tue, Apr 21 - Tue, Apr 28
American Airlines Logo
12:59 am - 12:12 pm
SEA
-
HOU
9h 13m
1 stop
American Airlines Logo
8:21 pm - 12:44 am
HOU
-
SEA
6h 23m
1 stop
$331American Airlines
Mon, Apr 20 - Thu, Apr 30
American Airlines Logo
6:00 am - 3:48 pm
SEA
-
HOU
7h 48m
1 stop
American Airlines Logo
6:01 am - 1:15 pm
HOU
-
SEA
9h 14m
1 stop
$337American Airlines
Sat, Apr 25 - Tue, Apr 28

Southwest flights from Seattle to Houston

Our best Southwest deals on Seattle to Houston flight tickets
Southwest
May 27
SEA11:45 pmSeattle/Tacoma Intl
7h 50m
1 stop
HOU9:35 amHouston Hobby
Jun 2
HOU6:05 pmHouston Hobby
6h 50m
1 stop
SEA10:55 pmSeattle/Tacoma Intl
$299
Southwest
Apr 21
SEA11:35 amSeattle/Tacoma Intl
8h 45m
2 stops
HOU10:20 pmHouston Hobby
Apr 28
HOU6:00 amHouston Hobby
7h 20m
1 stop
SEA11:20 amSeattle/Tacoma Intl
$304
Southwest
Apr 21
SEA9:20 amSeattle/Tacoma Intl
7h 30m
2 stops
HOU6:50 pmHouston Hobby
Apr 28
HOU2:45 pmHouston Hobby
11h 10m
2 stops
SEA11:55 pmSeattle/Tacoma Intl
$309

American Airlines flights from Seattle to Houston

Our best American Airlines deals on Seattle to Houston flight tickets
American Airlines
Apr 20
SEA12:59 amSeattle/Tacoma Intl
9h 13m
1 stop
HOU12:12 pmHouston Hobby
Apr 30
HOU8:21 pmHouston Hobby
6h 23m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$331
American Airlines
Apr 25
SEA6:00 amSeattle/Tacoma Intl
7h 48m
1 stop
HOU3:48 pmHouston Hobby
Apr 28
HOU6:01 amHouston Hobby
9h 14m
1 stop
SEA1:15 pmSeattle/Tacoma Intl
$337
American Airlines
Apr 21
SEA6:00 amSeattle/Tacoma Intl
7h 48m
1 stop
HOU3:48 pmHouston Hobby
May 9
HOU8:21 pmHouston Hobby
6h 23m
1 stop
SEA12:44 amSeattle/Tacoma Intl
$348

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Houston 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 March 28, 2026.
Use the filters below to find and compare flights from Seattle to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 4/16

10:57 am-12:02 pm

2 stops23h 05m

Houston George Bush Intcntl

Sun 4/19

6:45 am-9:27 am

1 stop28h 42m

$253

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 4/13

9:34 pm-3:07 pm

2 stops15h 33m

Houston George Bush Intcntl

Wed 4/15

3:32 pm-9:27 am

1 stop19h 55m

$254

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 4/3

12:42 pm-9:33 pm

1 stop6h 51m

Houston George Bush Intcntl

Thu 4/16

6:45 am-3:05 pm

1 stop10h 20m

$255

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 5/22

11:51 am-1:25 am

1 stop11h 34m

Houston George Bush Intcntl

Wed 5/27

9:00 pm-10:36 am

1 stop15h 36m

$256

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 4/30

10:57 am-12:48 am

2 stops11h 51m

Houston George Bush Intcntl

Sun 5/3

9:34 am-9:27 am

1 stop25h 53m

$257
Quickest round-trip

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 5/27

11:45 pm-9:35 am

1 stop7h 50m

Houston Hobby

Tue 6/2

6:05 pm-10:55 pm

1 stop6h 50m

$299

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 4/21

11:35 am-10:20 pm

2 stops8h 45m

Houston Hobby

Tue 4/28

6:00 am-11:20 am

1 stop7h 20m

$304

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 4/21

9:20 am-6:50 pm

2 stops7h 30m

Houston Hobby

Tue 4/28

2:45 pm-11:55 pm

2 stops11h 10m

$309

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Mon 4/20

12:59 am-12:12 pm

1 stop9h 13m

Houston Hobby

Thu 4/30

8:21 pm-12:44 am

1 stop6h 23m

$331

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Sat 4/25

6:00 am-3:48 pm

1 stop7h 48m

Houston Hobby

Tue 4/28

6:01 am-1:15 pm

1 stop9h 14m

$337

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

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?

What is the cheapest month to fly to Houston?

The month of September is, on average, the cheapest month to fly to Houston from Seattle, with most prices found around $297. The month of October is another great option to travel to Houston, with average flight prices from Seattle averaging around $300.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $227. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Saturday is $442.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest Seattle to Houston flights are usually those with departure times in the afternoon. Our users have found flights to Houston in the afternoon for as low as $379. Try not to purchase tickets in the morning because they tend to be around $559. 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 flight route?

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

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $365 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Seattle for as low as $265 on momondo.

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

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

Cheap Seattle to Houston flight deals and tips

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

Fastest flight time

4h 20m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Seattle to Houston takes 4h 20m
Direct flights go from Seattle to Houston every day.
There are 2 airports in Houston. From Seattle there are direct flights to Houston George Bush Intcntl (IAH), Houston Hobby (HOU).
Search flight deals

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

    The distance between Seattle/Tacoma Intl and Houston is about 1888.8 mi. Flights usually cover this in 4h 20m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Houston.

  • What documentation or ID do you need to fly to Houston?

    The necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Houston

Compare and see reviews for airlines that fly from Seattle to Houston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $57Free CancellationRating
6.3
8,552 reviews
Search Spirit Airlines flights
DeltaPriceFrom $88Free CancellationRating
7.9
8,357 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,839 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $146Free CancellationRating
5.7
3,013 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $205Free CancellationRating
7.9
12,133 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,499 reviews
Search United Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,333 reviews
Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from Seattle.

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

Yes. All flights to Houston from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Houston.

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

Of course. momondo tracks the price of Seattle to Houston flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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