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Cheap flights from Seattle to Houston from $115

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 6/15. 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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0 bags

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Find the cheapest flights from Seattle to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:50 pm - 12:44 am
SEA
-
IAH
26h 54m
1 stop
Frontier Logo
1:28 pm - 10:22 am
IAH
-
SEA
22h 54m
1 stop
$231Frontier
Fri, May 8 - Sat, May 16
Frontier Logo
11:21 am - 12:44 am
SEA
-
IAH
11h 23m
2 stops
Frontier Logo
10:05 pm - 10:06 am
IAH
-
SEA
14h 01m
1 stop
$233Frontier
Wed, May 27 - Mon, Jun 1
Frontier Logo
7:50 pm - 9:10 pm
SEA
-
IAH
23h 20m
1 stop
Frontier Logo
5:40 pm - 9:49 am
IAH
-
SEA
18h 09m
1 stop
$234Frontier
Wed, May 6 - Tue, May 12
Frontier Logo
7:12 pm - 8:49 am
SEA
-
IAH
11h 37m
1 stop
Frontier Logo
10:05 pm - 9:49 am
IAH
-
SEA
13h 44m
1 stop
$235Frontier
Sat, May 2 - Thu, May 7
American Airlines Logo
10:23 am - 7:51 pm
SEA
-
HOU
7h 28m
1 stop
American Airlines Logo
8:23 pm - 12:59 am
HOU
-
SEA
6h 36m
1 stop
$299American Airlines
Wed, May 27 - Wed, Jun 3
American Airlines Logo
7:31 am - 3:45 pm
SEA
-
HOU
6h 14m
1 stop
American Airlines Logo
8:23 pm - 12:59 am
HOU
-
SEA
6h 36m
1 stop
$330American Airlines
Tue, May 26 - Thu, Jun 4
American Airlines Logo
10:23 am - 7:51 pm
SEA
-
HOU
7h 28m
1 stop
American Airlines Logo
8:23 pm - 12:59 am
HOU
-
SEA
6h 36m
1 stop
$331American Airlines
Wed, May 27 - Thu, May 28
Southwest Logo
5:15 am - 4:15 pm
SEA
-
HOU
9h 00m
1 stop
Southwest Logo
7:55 pm - 12:40 am
HOU
-
SEA
6h 45m
1 stop
$332Southwest
Thu, Jun 4 - Wed, Jun 10
Southwest Logo
11:25 am - 5:45 pm
SEA
-
HOU
4h 20mnonstop
Southwest Logo
6:05 pm - 12:20 am
HOU
-
SEA
8h 15m
1 stop
$353Southwest
Thu, Aug 27 - Mon, Aug 31
Southwest Logo
9:20 am - 8:00 pm
SEA
-
HOU
8h 40m
1 stop
Southwest Logo
4:30 pm - 11:10 pm
HOU
-
SEA
8h 40m
2 stops
$362Southwest
Tue, Jun 2 - Tue, Jun 9

American Airlines flights from Seattle to Houston

Our best American Airlines deals on Seattle to Houston flight tickets
American Airlines
May 27
SEA10:23 amSeattle/Tacoma Intl
7h 28m
1 stop
HOU7:51 pmHouston Hobby
Jun 3
HOU8:23 pmHouston Hobby
6h 36m
1 stop
SEA12:59 amSeattle/Tacoma Intl
$299
American Airlines
May 26
SEA7:31 amSeattle/Tacoma Intl
6h 14m
1 stop
HOU3:45 pmHouston Hobby
Jun 4
HOU8:23 pmHouston Hobby
6h 36m
1 stop
SEA12:59 amSeattle/Tacoma Intl
$330
American Airlines
May 27
SEA10:23 amSeattle/Tacoma Intl
7h 28m
1 stop
HOU7:51 pmHouston Hobby
May 28
HOU8:23 pmHouston Hobby
6h 36m
1 stop
SEA12:59 amSeattle/Tacoma Intl
$331

Southwest flights from Seattle to Houston

Our best Southwest deals on Seattle to Houston flight tickets
Southwest
Jun 4
SEA5:15 amSeattle/Tacoma Intl
9h 00m
1 stop
HOU4:15 pmHouston Hobby
Jun 10
HOU7:55 pmHouston Hobby
6h 45m
1 stop
SEA12:40 amSeattle/Tacoma Intl
$332
Southwest
Aug 27
SEA11:25 amSeattle/Tacoma Intl
4h 20m
HOU5:45 pmHouston Hobby
Aug 31
HOU6:05 pmHouston Hobby
8h 15m
1 stop
SEA12:20 amSeattle/Tacoma Intl
$353
Southwest
Jun 2
SEA9:20 amSeattle/Tacoma Intl
8h 40m
1 stop
HOU8:00 pmHouston Hobby
Jun 9
HOU4:30 pmHouston Hobby
8h 40m
2 stops
SEA11:10 pmSeattle/Tacoma Intl
$362

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 April 21, 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

Fri 5/8

7:50 pm-12:44 am

1 stop26h 54m

Houston George Bush Intcntl

Sat 5/16

1:28 pm-10:22 am

1 stop22h 54m

$231

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 5/27

11:21 am-12:44 am

2 stops11h 23m

Houston George Bush Intcntl

Mon 6/1

10:05 pm-10:06 am

1 stop14h 01m

$233

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 5/6

7:50 pm-9:10 pm

1 stop23h 20m

Houston George Bush Intcntl

Tue 5/12

5:40 pm-9:49 am

1 stop18h 09m

$234

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 5/2

7:12 pm-8:49 am

1 stop11h 37m

Houston George Bush Intcntl

Thu 5/7

10:05 pm-9:49 am

1 stop13h 44m

$235

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 5/27

10:23 am-7:51 pm

1 stop7h 28m

Houston Hobby

Wed 6/3

8:23 pm-12:59 am

1 stop6h 36m

$299

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 5/26

7:31 am-3:45 pm

1 stop6h 14m

Houston Hobby

Thu 6/4

8:23 pm-12:59 am

1 stop6h 36m

$330

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 5/27

10:23 am-7:51 pm

1 stop7h 28m

Houston Hobby

Thu 5/28

8:23 pm-12:59 am

1 stop6h 36m

$331

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 6/4

5:15 am-4:15 pm

1 stop9h 00m

Houston Hobby

Wed 6/10

7:55 pm-12:40 am

1 stop6h 45m

$332
Quickest round-trip

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 8/27

11:25 am-5:45 pm

Nonstop4h 20m

Houston Hobby

Mon 8/31

6:05 pm-12:20 am

1 stop8h 15m

$353

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 6/2

9:20 am-8:00 pm

1 stop8h 40m

Houston Hobby

Tue 6/9

4:30 pm-11:10 pm

2 stops8h 40m

$362

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 $307.

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 $220. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Friday is $516.

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 $380. Try not to purchase tickets in the morning because they tend to be around $555. 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 Hobby 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 $370 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 17m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Seattle to Houston takes 4h 17m
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

Frequently asked questions about flying from Seattle to Houston

  • 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 17m, 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
DeltaPriceFrom $88Free CancellationRating
7.9
8,434 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $97Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $146Free CancellationRating
5.6
2,981 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $202Free CancellationRating
7.9
12,269 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,613 reviews
Search United Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,331 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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