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Cheap flights from Seattle to Houston from C$ 275

SEA — HOU
10 Oct — 17 Oct1
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

Mon 19/109:16 p.m. -
1 stop6h 44m
Fri 13/116:40 a.m. -
1 stop10h 32m
Deal found 8/9C$ 390
Wed 21/104:27 p.m. -
1 stop6h 13m
Thu 12/114:49 p.m. -
1 stop18h 56m
Deal found 8/9C$ 397
Fri 23/109:16 p.m. -
1 stop6h 44m
Fri 13/116:40 a.m. -
1 stop10h 32m
Deal found 8/9C$ 402
Sun 18/109:16 p.m. -
1 stop6h 44m
Thu 12/114:49 p.m. -
1 stop18h 56m
Deal found 8/9C$ 409
Tue 20/105:35 p.m. -
Nonstop4h 24m
Tue 10/112:49 p.m. -
1 stop22h 10m
Deal found 8/9C$ 416
Mon 19/109:16 p.m. -
1 stop6h 44m
Sat 7/112:49 p.m. -
1 stop20h 56m
Deal found 8/9C$ 420
Sat 17/104:27 p.m. -
1 stop6h 13m
Wed 11/116:40 a.m. -
1 stop10h 32m
Deal found 8/9C$ 421
Tue 20/104:27 p.m. -
1 stop6h 13m
Thu 12/114:49 p.m. -
1 stop18h 56m
Deal found 8/9C$ 423
Sat 17/104:27 p.m. -
1 stop6h 13m
Thu 12/114:49 p.m. -
1 stop18h 56m
Deal found 8/9C$ 424
Sun 18/109:16 p.m. -
1 stop6h 44m
Fri 13/116:40 a.m. -
1 stop10h 32m
Deal found 8/9C$ 428
Fri 23/109:16 p.m. -
1 stop6h 44m
Sat 7/112:49 p.m. -
1 stop20h 56m
Deal found 8/9C$ 434
Sat 17/104:27 p.m. -
1 stop6h 13m
Fri 13/116:40 a.m. -
1 stop10h 32m
Deal found 8/9C$ 437

Find flight deals from Seattle to Houston

Round-trip from

C$ 390

One-way from

C$ 275

Popular in

July

Cheapest in

October

Average price

C$ 605
Frontier
  • Frontier
  • 19/10-13/11
  • 2 total stops
  • 17h 16m total
  • Seattle to Houston
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 3/11-31/12
  • Nonstop
  • 4h 22m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

 
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 Seattle/Tacoma Intl - IAH Houston George Bush Intcntl

SEAIAH

Seattle/Tacoma Intl

Sat 24/10

5:35 p.m.-11:59 p.m.

Nonstop4h 24m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 275

SeattleHouston

SEA Seattle/Tacoma Intl - IAH Houston George Bush Intcntl

SEAIAH

Seattle/Tacoma Intl

Wed 11/11

5:36 p.m.-11:58 p.m.

Nonstop4h 22m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 275

SeattleHouston

SEA Seattle/Tacoma Intl - IAH Houston George Bush Intcntl

SEAIAH

Seattle/Tacoma Intl

Tue 13/10

5:35 p.m.-11:59 p.m.

Nonstop4h 24m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 275
Quickest round-trip

SeattleHouston

SEA Seattle/Tacoma Intl - IAH Houston George Bush Intcntl

SEAIAH

Seattle/Tacoma Intl

Mon 26/10

11:59 p.m.-6:13 a.m.

Nonstop4h 14m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 279

SeattleHouston

SEA Seattle/Tacoma Intl - HOU Houston Hobby

SEAHOU

Seattle/Tacoma Intl

Sat 24/10

6:00 a.m.-4:32 p.m.

1 stop8h 32m

Houston Hobby

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 289

SeattleHouston

SEA Seattle/Tacoma Intl - HOU Houston Hobby

SEAHOU

Seattle/Tacoma Intl

Sat 5/12

8:20 a.m.-9:05 p.m.

1 stop10h 45m

Houston Hobby

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 289

SeattleHouston

SEA Seattle/Tacoma Intl - HOU Houston Hobby

SEAHOU

Seattle/Tacoma Intl

Sat 7/11

11:45 a.m.-11:03 p.m.

1 stop9h 18m

Houston Hobby

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 289

SeattleHouston

SEA Seattle/Tacoma Intl - IAH Houston George Bush Intcntl

SEAIAH

Seattle/Tacoma Intl

Thu 24/12

11:05 p.m.-10:37 a.m.

1 stop9h 32m

Houston George Bush Intcntl

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 293

SeattleHouston

SEA Seattle/Tacoma Intl - HOU Houston Hobby

SEAHOU

Seattle/Tacoma Intl

Thu 5/11

6:15 a.m.-3:15 p.m.

2 stops7h 00m

Houston Hobby

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 300

SeattleHouston

SEA Seattle/Tacoma Intl - HOU Houston Hobby

SEAHOU

Seattle/Tacoma Intl

Tue 6/10

5:35 a.m.-5:30 p.m.

2 stops9h 55m

Houston Hobby

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 300

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 45 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

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, October is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 468). Flying from Seattle to Houston in May is currently the most expensive (average of C$ 659). 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?

Unlike at noon, when flights are generally more expensive, you can save up to 59% 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?

Airfare is below average for this route at the moment.
Seattle to Houston flights typically cost between C$ 448 and C$ 721 in October.
The cheapest round-trip price found within the last 5 days was C$ 390 on Frontier (19 Oct-13 Nov).

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

Booking 66 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

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
12,906 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.0

Boarding

8.1

Overall

7.9

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
12,906 reviews
Alaska Airlines
7.9
Good
12,906 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.0

Boarding

8.1

Overall

7.9

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
2,611 reviews
Alaska Airlines
7.9
Good
12,906 reviews
Check prices

Comfort

7.8

Crew

8.5

Food

7.0

Boarding

8.1

Overall

7.9

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

  • 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$ 553, Alaska 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$ 221. Another airline that can offer you cheap pricing is Alaska Airlines. Users have found that Frontier is 61% 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, October is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 468). Flying from Seattle to Houston in May is currently the most expensive (average of C$ 659). 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

Alternative routes for Seattle to Houston

Seattle to Dallas/Fort Worth flights
Seattle to Hobby flights
Seattle to George Bush Intcntl flights
Seattle to Austin flights
Bellingham to Dallas/Fort Worth flights

Top 2 airlines flying from Seattle to Houston

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 221AverageC$ 318FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 327AverageC$ 576FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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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.

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