Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Houston from $173

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 8/26. 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
9:16 pm - 12:19 pm
SEA
-
IAH
13h 03m
1 stop
Frontier Logo
9:59 pm - 10:00 am
IAH
-
SEA
14h 01m
1 stop
$290Frontier
Wed, Sep 9 - Tue, Sep 15
Frontier Logo
12:35 pm - 12:40 am
SEA
-
IAH
10h 05m
1 stop
Frontier Logo
10:09 pm - 11:20 am
IAH
-
SEA
15h 11m
1 stop
$297Frontier
Tue, Jul 21 - Fri, Jul 31
Frontier Logo
12:35 pm - 12:40 am
SEA
-
IAH
10h 05m
1 stop
Frontier Logo
10:09 pm - 11:20 am
IAH
-
SEA
15h 11m
1 stop
$298Frontier
Tue, Jul 21 - Fri, Jul 31
Frontier Logo
9:29 pm - 12:58 pm
SEA
-
IAH
13h 29m
1 stop
Frontier Logo
6:30 am - 1:22 pm
IAH
-
SEA
8h 52m
1 stop
$299Frontier
Fri, Aug 21 - Sun, Aug 23
Frontier Logo
7:06 pm - 9:14 pm
SEA
-
IAH
24h 08m
1 stop
Frontier Logo
1:53 pm - 10:39 am
IAH
-
SEA
22h 46m
1 stop
$300Frontier
Wed, Aug 12 - Tue, Aug 18
Southwest Logo
8:55 am - 3:10 pm
SEA
-
HOU
4h 15mnonstop
Southwest Logo
9:30 am - 12:15 pm
HOU
-
SEA
4h 45mnonstop
$345Southwest
Wed, Sep 16 - Tue, Sep 22
Southwest Logo
6:15 am - 4:05 pm
SEA
-
HOU
7h 50m
1 stop
Southwest Logo
9:30 pm - 12:10 am
HOU
-
SEA
4h 40mnonstop
$355Southwest
Tue, Jul 21 - Sat, Jul 25
Southwest Logo
6:15 am - 5:45 pm
SEA
-
HOU
9h 30m
2 stops
Southwest Logo
9:30 pm - 12:10 am
HOU
-
SEA
4h 40mnonstop
$360Southwest
Tue, Jul 21 - Sat, Jul 25
American Airlines Logo
5:00 am - 3:26 pm
SEA
-
HOU
8h 26m
1 stop
American Airlines Logo
8:14 pm - 12:50 am
HOU
-
SEA
6h 36m
1 stop
$367American Airlines
Tue, Sep 1 - Thu, Sep 3
American Airlines Logo
5:00 am - 3:26 pm
SEA
-
HOU
8h 26m
1 stop
American Airlines Logo
8:14 pm - 12:50 am
HOU
-
SEA
6h 36m
1 stop
$368American Airlines
Tue, Aug 25 - Thu, Aug 27

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Seattle to Houston

Our best Southwest deals on Seattle to Houston flight tickets
Southwest
Sep 16
SEA8:55 amSeattle/Tacoma Intl
4h 15m
HOU3:10 pmHouston Hobby
Sep 22
HOU9:30 amHouston Hobby
4h 45m
SEA12:15 pmSeattle/Tacoma Intl
$345
Southwest
Jul 21
SEA6:15 amSeattle/Tacoma Intl
7h 50m
1 stop
HOU4:05 pmHouston Hobby
Jul 25
HOU9:30 pmHouston Hobby
4h 40m
SEA12:10 amSeattle/Tacoma Intl
$355
Southwest
Jul 21
SEA6:15 amSeattle/Tacoma Intl
9h 30m
2 stops
HOU5:45 pmHouston Hobby
Jul 25
HOU9:30 pmHouston Hobby
4h 40m
SEA12:10 amSeattle/Tacoma Intl
$360

American Airlines flights from Seattle to Houston

Our best American Airlines deals on Seattle to Houston flight tickets
American Airlines
Sep 1
SEA5:00 amSeattle/Tacoma Intl
8h 26m
1 stop
HOU3:26 pmHouston Hobby
Sep 3
HOU8:14 pmHouston Hobby
6h 36m
1 stop
SEA12:50 amSeattle/Tacoma Intl
$367
American Airlines
Aug 25
SEA5:00 amSeattle/Tacoma Intl
8h 26m
1 stop
HOU3:26 pmHouston Hobby
Aug 27
HOU8:14 pmHouston Hobby
6h 36m
1 stop
SEA12:50 amSeattle/Tacoma Intl
$368
American Airlines
Sep 3
SEA3:47 pmSeattle/Tacoma Intl
6h 09m
1 stop
HOU11:56 pmHouston Hobby
Sep 7
HOU9:32 amHouston Hobby
7h 24m
1 stop
SEA2:56 pmSeattle/Tacoma Intl
$423

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 July 2, 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

Wed 9/9

9:16 pm-12:19 pm

1 stop13h 03m

Houston George Bush Intcntl

Tue 9/15

9:59 pm-10:00 am

1 stop14h 01m

$290

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 7/21

12:35 pm-12:40 am

1 stop10h 05m

Houston George Bush Intcntl

Fri 7/31

10:09 pm-11:20 am

1 stop15h 11m

$297

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 7/21

12:35 pm-12:40 am

1 stop10h 05m

Houston George Bush Intcntl

Fri 7/31

10:09 pm-11:20 am

1 stop15h 11m

$298

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 8/21

9:29 pm-12:58 pm

1 stop13h 29m

Houston George Bush Intcntl

Sun 8/23

6:30 am-1:22 pm

1 stop8h 52m

$299

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 8/12

7:06 pm-9:14 pm

1 stop24h 08m

Houston George Bush Intcntl

Tue 8/18

1:53 pm-10:39 am

1 stop22h 46m

$300
Quickest round-trip

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 9/16

8:55 am-3:10 pm

Nonstop4h 15m

Houston Hobby

Tue 9/22

9:30 am-12:15 pm

Nonstop4h 45m

$345

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 7/21

6:15 am-4:05 pm

1 stop7h 50m

Houston Hobby

Sat 7/25

9:30 pm-12:10 am

Nonstop4h 40m

$355

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 7/21

6:15 am-5:45 pm

2 stops9h 30m

Houston Hobby

Sat 7/25

9:30 pm-12:10 am

Nonstop4h 40m

$360

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 9/1

5:00 am-3:26 pm

1 stop8h 26m

Houston Hobby

Thu 9/3

8:14 pm-12:50 am

1 stop6h 36m

$367

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 8/25

5:00 am-3:26 pm

1 stop8h 26m

Houston Hobby

Thu 8/27

8:14 pm-12:50 am

1 stop6h 36m

$368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April is, on average, the cheapest month to fly to Houston from Seattle, with most prices found around $48. The month of July is another great option to travel to Houston, with average flight prices from Seattle averaging around $77.

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 $560.

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 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 from Seattle 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 $390 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 $267 on momondo.

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

There are 4 cabin classes available to choose from on Seattle 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 10m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Seattle to Houston takes 4h 10m
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 10m, 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
7.8
8,452 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $97Free CancellationRating
7.8
2,825 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $143Free CancellationRating
5.6
2,850 reviews
Search Frontier flights
Alaska AirlinesPriceFrom $204Free CancellationRating
7.9
12,605 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $252Free CancellationRating
7.1
11,771 reviews
Search American Airlines flights
SouthwestPriceFrom $256Free CancellationRating
7.9
4,250 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.

An easier way to manage your Houston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/1
Sat 8/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States