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Cheap flights from Seattle to Houston from $120

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 12/15. 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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Cheap round-trip flights

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Frontier Logo
1:09 pm - 12:31 amSEA-IAH
9h 22m1 stop
Frontier Logo
6:45 am - 12:14 pmIAH-SEA
7h 29m1 stop
$211Frontier
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Sun, Mar 1 - Thu, Mar 5
Frontier Logo
10:05 pm - 11:35 amSEA-IAH
11h 30m1 stop
Frontier Logo
12:55 pm - 9:36 amIAH-SEA
22h 41m2 stops
$212Frontier
Find Deal
Sun, Jan 18 - Thu, Jan 22
Multiple Airlines Logo
7:23 pm - 6:46 pmSEA-IAH
21h 23m1 stop
Multiple Airlines Logo
7:00 am - 9:57 amIAH-SEA
4h 57mnonstop
$215Multiple Airlines
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Thu, Jan 8 - Wed, Jan 14
Frontier Logo
12:26 pm - 12:31 amSEA-IAH
10h 05m1 stop
Frontier Logo
7:00 pm - 11:19 amIAH-SEA
18h 19m1 stop
$216Frontier
Find Deal
Fri, Jan 9 - Sat, Jan 24
Frontier Logo
10:05 pm - 11:35 amSEA-IAH
11h 30m1 stop
Frontier Logo
10:30 am - 11:19 amIAH-SEA
26h 49m1 stop
$217Frontier
Find Deal
Sun, Jan 18 - Wed, Feb 4
Multiple Airlines Logo
6:34 pm - 6:46 pmSEA-IAH
22h 12m1 stop
Multiple Airlines Logo
7:17 pm - 10:10 pmIAH-SEA
4h 53mnonstop
$219Multiple Airlines
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Sat, Jan 10 - Sat, Jan 17
American Airlines Logo
7:35 am - 6:06 pmSEA-HOU
8h 31m1 stop
American Airlines Logo
12:47 pm - 5:45 pmHOU-SEA
6h 58m1 stop
$256American Airlines
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Tue, Jan 6 - Wed, Jan 21
American Airlines Logo
7:35 am - 6:06 pmSEA-HOU
8h 31m1 stop
American Airlines Logo
10:35 am - 3:34 pmHOU-SEA
6h 59m1 stop
$257American Airlines
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Tue, Jan 6 - Tue, Jan 13
Southwest Logo
5:15 am - 5:35 pmSEA-HOU
10h 20m2 stops
Southwest Logo
6:15 am - 10:45 amHOU-SEA
6h 30m1 stop
$262Southwest
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Wed, Jan 14 - Wed, Jan 21
Southwest Logo
5:15 am - 5:35 pmSEA-HOU
10h 20m2 stops
Southwest Logo
9:00 am - 6:35 pmHOU-SEA
11h 35m2 stops
$267Southwest
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Wed, Jan 14 - Wed, Jan 21

American Airlines flights from Seattle to Houston

Our best American Airlines deals on Seattle to Houston flight tickets
American Airlines
Jan 6
SEA7:35 amSeattle/Tacoma Intl
8h 31m
1 stop
HOU6:06 pmHouston Hobby
Jan 21
HOU12:47 pmHouston Hobby
6h 58m
1 stop
SEA5:45 pmSeattle/Tacoma Intl
$256
Find similar
American Airlines
Jan 6
SEA7:35 amSeattle/Tacoma Intl
8h 31m
1 stop
HOU6:06 pmHouston Hobby
Jan 13
HOU10:35 amHouston Hobby
6h 59m
1 stop
SEA3:34 pmSeattle/Tacoma Intl
$257
Find similar
American Airlines
Jan 14
SEA8:35 amSeattle/Tacoma Intl
8h 43m
1 stop
IAH7:18 pmHouston George Bush Intcntl
Jan 18
IAH6:00 amHouston George Bush Intcntl
11h 34m
1 stop
SEA3:34 pmSeattle/Tacoma Intl
$260
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Southwest flights from Seattle to Houston

Our best Southwest deals on Seattle to Houston flight tickets
Southwest
Jan 14
SEA5:15 amSeattle/Tacoma Intl
10h 20m
2 stops
HOU5:35 pmHouston Hobby
Jan 21
HOU6:15 amHouston Hobby
6h 30m
1 stop
SEA10:45 amSeattle/Tacoma Intl
$262
Find similar
Southwest
Jan 14
SEA5:15 amSeattle/Tacoma Intl
10h 20m
2 stops
HOU5:35 pmHouston Hobby
Jan 21
HOU9:00 amHouston Hobby
11h 35m
2 stops
SEA6:35 pmSeattle/Tacoma Intl
$267
Find similar
Southwest
Feb 28
SEA8:55 amSeattle/Tacoma Intl
9h 10m
1 stop
HOU8:05 pmHouston Hobby
Mar 7
HOU6:25 pmHouston Hobby
7h 50m
1 stop
SEA12:15 amSeattle/Tacoma Intl
$277
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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 November 24, 2025.
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

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 3/1

1:09 pm-12:31 am

1 stop9h 22m

Houston George Bush Intcntl

Thu 3/5

6:45 am-12:14 pm

1 stop7h 29m

$211

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 1/18

10:05 pm-11:35 am

1 stop11h 30m

Houston George Bush Intcntl

Thu 1/22

12:55 pm-9:36 am

2 stops22h 41m

$212

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 1/8

7:23 pm-6:46 pm

1 stop21h 23m

Houston George Bush Intcntl

Wed 1/14

7:00 am-9:57 am

Nonstop4h 57m

$215

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 1/9

12:26 pm-12:31 am

1 stop10h 05m

Houston George Bush Intcntl

Sat 1/24

7:00 pm-11:19 am

1 stop18h 19m

$216

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 1/18

10:05 pm-11:35 am

1 stop11h 30m

Houston George Bush Intcntl

Wed 2/4

10:30 am-11:19 am

1 stop26h 49m

$217

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 1/10

6:34 pm-6:46 pm

1 stop22h 12m

Houston George Bush Intcntl

Sat 1/17

7:17 pm-10:10 pm

Nonstop4h 53m

$219

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 1/6

7:35 am-6:06 pm

1 stop8h 31m

Houston Hobby

Wed 1/21

12:47 pm-5:45 pm

1 stop6h 58m

$256

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 1/6

7:35 am-6:06 pm

1 stop8h 31m

Houston Hobby

Tue 1/13

10:35 am-3:34 pm

1 stop6h 59m

$257

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 1/14

5:15 am-5:35 pm

2 stops10h 20m

Houston Hobby

Wed 1/21

6:15 am-10:45 am

1 stop6h 30m

$262

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 1/14

5:15 am-5:35 pm

2 stops10h 20m

Houston Hobby

Wed 1/21

9:00 am-6:35 pm

2 stops11h 35m

$267

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 $303.

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 Friday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Friday is $397.

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 $384. Try not to purchase tickets in the evening because they tend to be around $599. 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 $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 $307 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 15m

Direct flights

Every day

Airports in Houston

1 airport
The fastest flight from Seattle to Houston takes 4h 15m
Direct flights go from Seattle to Houston every day.
There is 1 airport near Houston: Houston George Bush Intcntl (IAH)
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  • 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 15m, 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 $81Free CancellationRating
6.3
8,159 reviews
Search Spirit Airlines flights
DeltaPriceFrom $125Free CancellationRating
7.9
7,993 reviews
Search Delta flights
FrontierPriceFrom $131Free CancellationRating
5.8
3,097 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $150Free CancellationRating
7.8
2,813 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $245Free CancellationRating
8.0
11,340 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
United AirlinesPriceFrom $257Free CancellationRating
7.4
9,039 reviews
Search United Airlines 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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