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Cheap flights from Seattle to Houston from C$ 222

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
13 Jul — 20 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Houston

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Houston
Explore the most affordable flight options available from Seattle to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2026.

Tue 28/710:34 a.m.
SEA
-
IAH
1 stop11h 22m
Frontier
Thu 6/810:09 p.m.
IAH
-
SEA
1 stop12h 55m
Frontier
Deal found 9/6C$ 393
Sun 26/78:53 p.m.
SEA
-
IAH
1 stop13h 29m
Frontier
Thu 6/810:09 p.m.
IAH
-
SEA
1 stop12h 55m
Frontier
Deal found 9/6C$ 398
Tue 1/95:34 p.m.
SEA
-
IAH
Nonstop4h 25m
Alaska Airlines
Tue 15/92:34 p.m.
IAH
-
SEA
Nonstop4h 45m
Alaska Airlines
Deal found 11/6C$ 401
Wed 8/711:54 a.m.
SEA
-
IAH
1 stop24h 58m
Frontier
Wed 15/78:43 p.m.
IAH
-
SEA
1 stop15h 56m
Frontier
Deal found 11/6C$ 412
Tue 3/111:16 p.m.
SEA
-
IAH
1 stop7h 35m
United Airlines
Tue 10/117:55 p.m.
IAH
-
SEA
Nonstop4h 43m
United Airlines
Deal found 10/6C$ 415
Wed 4/1112:00 p.m.
SEA
-
IAH
1 stop9h 28m
Delta
Tue 10/117:50 a.m.
IAH
-
SEA
1 stop6h 34m
Delta
Deal found 11/6C$ 426
Tue 1/96:00 a.m.
SEA
-
HOU
1 stop8h 23m
Delta
Tue 15/95:35 p.m.
HOU
-
SEA
1 stop8h 24m
Delta
Deal found 11/6C$ 426
Wed 29/78:13 p.m.
SEA
-
IAH
1 stop14h 09m
Frontier
Tue 4/86:30 a.m.
IAH
-
SEA
2 stops30h 38m
Frontier
Deal found 9/6C$ 428
Wed 12/81:45 p.m.
SEA
-
HOU
1 stop6h 25m
Southwest
Wed 19/89:30 a.m.
HOU
-
SEA
1 stop8h 00m
Southwest
Deal found 10/6C$ 428
Tue 28/710:34 a.m.
SEA
-
IAH
1 stop11h 22m
Frontier
Tue 4/86:14 p.m.
IAH
-
SEA
1 stop16h 50m
Frontier
Deal found 9/6C$ 429
Tue 18/85:00 p.m.
SEA
-
IAH
Nonstop4h 24m
United Airlines
Wed 2/94:20 p.m.
IAH
-
SEA
Nonstop4h 48m
United Airlines
Deal found 11/6C$ 431
Mon 27/78:53 p.m.
SEA
-
IAH
1 stop13h 29m
Frontier
Thu 6/810:09 p.m.
IAH
-
SEA
1 stop12h 55m
Frontier
Deal found 9/6C$ 432

Find flight deals from Seattle to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 June 2026.

Round-trip from

C$ 393

One-way from

C$ 222

Popular in

June

Cheapest in

September

Average price

C$ 674
Frontier
  • Frontier
  • 29/7-6/8
  • 2 total stops
  • 24h 17m total
  • Seattle to Houston
Search Deals
Southwest
  • Southwest
  • 8/9
  • 1 total stop
  • 11h 50m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 13 June 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 - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 4/11

9:20 p.m.-9:26 a.m.

1 stop10h 06m

Houston Hobby

Tue 10/11

10:05 a.m.-6:59 p.m.

1 stop10h 54m

C$ 506

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 6/11

1:30 p.m.-9:36 p.m.

1 stop6h 06m

Houston George Bush Intcntl

Mon 9/11

6:35 p.m.-12:11 a.m.

1 stop7h 36m

C$ 561

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Fri 6/11

6:00 a.m.-4:30 p.m.

1 stop8h 30m

Houston Hobby

Tue 10/11

10:05 a.m.-6:59 p.m.

1 stop10h 54m

C$ 562

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Fri 4/9

6:15 a.m.-5:40 p.m.

2 stops9h 25m

Houston Hobby

Mon 7/9

5:30 a.m.-10:45 a.m.

1 stop7h 15m

C$ 570

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 8/7

2:00 p.m.-11:15 p.m.

1 stop7h 15m

Houston Hobby

Wed 15/7

12:50 p.m.-6:20 p.m.

1 stop7h 30m

C$ 591

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 12/10

8:59 p.m.-1:52 p.m.

1 stop14h 53m

Houston George Bush Intcntl

Fri 16/10

6:09 a.m.-8:55 a.m.

Nonstop4h 46m

C$ 623

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 27/7

11:46 p.m.-12:23 p.m.

1 stop10h 37m

Houston George Bush Intcntl

Tue 4/8

1:14 p.m.-10:54 p.m.

1 stop11h 40m

C$ 636

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 14/8

7:00 a.m.-1:28 p.m.

Nonstop4h 28m

Houston George Bush Intcntl

Mon 17/8

12:04 p.m.-2:52 p.m.

Nonstop4h 48m

C$ 639

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 23/7

11:57 p.m.-6:20 a.m.

Nonstop4h 23m

Houston George Bush Intcntl

Tue 28/7

8:00 a.m.-10:41 a.m.

Nonstop4h 41m

C$ 639

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 28/9

7:11 a.m.-1:34 p.m.

Nonstop4h 23m

Houston George Bush Intcntl

Mon 28/9

7:54 p.m.-10:45 p.m.

Nonstop4h 51m

C$ 639

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 43 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Houston

What is the cheapest month to book a flight from Seattle to Houston?

Currently, April is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 67). Flying from Seattle to Houston in June is currently the most expensive (average of C$ 266). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to HOU?

Find hourly flight availability from Seattle to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 60% on flights from Seattle to Houston by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Seattle to Houston?

How far ahead should I book a flight from Seattle to Houston?

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated 13 June 2026.
Read through reviews of airlines operating flights from Seattle to Houston, such as Alaska Airlines and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,505 reviews
Check prices

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,505 reviews
Alaska Airlines
7.9
Good
12,505 reviews
Check prices

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Frontier
5.6
Fair
2,892 reviews
Alaska Airlines
7.9
Good
12,505 reviews
Check prices

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.8

Food

7.1

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Houston?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Houston. On average, Seattle/Tacoma Intl has 0 outbound flights to Houston per day from 2 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • How long is the flight from Seattle to Houston?

    For as low as C$ 491, United Airlines can have you in Houston from Seattle in 4h 18m. There are 3011 km between Seattle and Houston. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Houston round-trip?

    Cheapflights users have booked flights from Seattle to Houston round-trip from C$ 224. Another airline that can offer you cheap pricing is Alaska Airlines. Users have found that Frontier is 58% cheaper than the other options available to this destination.

  • Can I find deals for flights from Seattle to Houston that include hotel bookings?

    Yes. In addition to deals on Seattle to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Houston.

  • Can I find deals for business class flights from Seattle to Houston?

    Yes. Cheapflights offers flight deals from Seattle to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Houston?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 67). Flying from Seattle to Houston in June is currently the most expensive (average of C$ 266). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Dallas/Fort Worth flights
Seattle to Austin flights
Seattle to George Bush Intcntl flights
Bellingham to Dallas/Fort Worth flights

Top 2 airlines flying from Seattle to Houston

Discover the top 2 airlines that operate flights from Seattle to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 13 June 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 224AverageC$ 333FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 241AverageC$ 498FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Houston?

Deals for Seattle to Houston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Houston?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Houston for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to Houston with no change fees?

Certainly. Search results for flights to Houston from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Houston become cheaper?

Of course! You can now track prices for flights from Seattle to Houston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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