Cheap flights from Seattle to Houston

Round-trip
Economy
Seattle (SEA)
Houston (HOU)
Depart
Return
Any month
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The best prices from Seattle/Tacoma Intl to Houston are usually found in August or July, booked 22 days in advance, depart on a Thursday or Wednesday and return on a Monday

How to find the cheapest flight from
Seattle (SEA) to Houston (HOU)

All the information you need to plan the best SEA to HOU flight in 2021: compare Seattle to Houston flight prices with the expected peak season, weather and rainfall in Houston.
SEA - HO1
Price
C$ 182 - C$ 365
HO1
Temperature
12 - 29 °C
HO1
Precipitation
81 - 150 mm

Popular in

December

High demand for flights, 28% potential price rise

Cheapest in

August

Best time to find cheap flights, 30% potential price drop

Average price

C$ 469

Average for round-trip flights in December 2021

Round-trip from

C$ 234

From Seattle/Tacoma Intl to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Seattle to Houston (SEA - HO1)?

It’s typically best to fly out from Seattle to Houston at noon. Doing so could potentially save you 17% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly round-trip from Seattle to Houston?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 94%.

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

Travellers have found it’s best to book a flight 21 days in advance to save up to 41% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 21 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Houston 1-2 weeks in advance for as low as C$ 358, or C$ 499 for flights within the next 24 hours.

What is the cheapest month to fly from Seattle to Houston?

The best pricing can be found in the month of August. Prices to Houston from Seattle average C$ 336. You can even find prices in August for less than C$ 336, as users have found deals to Houston from as low as C$ 131. The month of December appears to be one of the more expensive times to travel to Houston from Seattle. Flying in the targeted month can save you up to 39%.

Cheap flights from Seattle to Houston in December, January 2022

The best prices found for SEA to HOU flights for December, January
6 Jan - 9 Jan
C$ 241pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
15 Jan - 22 Jan
C$ 253pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
6 Jan - 12 Jan
C$ 255pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Houston 2022 flight deals

Cheap flights to Houston from Seattle found for this year
6 Dec - 13 Dec
C$ 306pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Dec - 11 Dec
C$ 348pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Direct
SEA
Seattle/Tacoma Intl
7 Dec - 8 Dec
C$ 393pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Direct
SEA
Seattle/Tacoma Intl

Direct flights to Houston from Seattle

Save time with Seattle to Houston direct flight deals
2 Feb - 16 Feb
C$ 253pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
8 Jan - 13 Jan
C$ 279pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
4 Feb - 6 Feb
C$ 304pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Houston

Late deals on round-trip flights to Houston from Seattle, departing today and this week
12 Dec - 14 Dec
C$ 469pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
12 Dec - 13 Dec
C$ 580pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
12 Dec - 13 Dec
C$ 593pp
SEA
Seattle/Tacoma Intl
United Airlines
   
2 STOPS
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Houston from Seattle

The cheapest one-way flights from Seattle to Houston
1:00 a.m. - 8:15 p.m.
Multiple Airlines
1 stop
17h 15m
SEA - IAH
Multiple Airlines
C$ 403
Kiwi.com
8:01 a.m. - 8:15 p.m.
Spirit Airlines
1 stop
10h 14m
SEA - IAH
Spirit Airlines
C$ 416
Spirit
7:45 p.m. - 5:59 a.m.
Delta
1 stop
8h 14m
SEA - IAH
Delta
C$ 494
Delta

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From Seattle to Houston

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 5 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

Which airlines flying from Seattle/Tacoma Intl to Houston have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Spirit Airlines, Alaska Airlines, and United Airlines flying from Seattle/Tacoma Intl to Houston have implemented new flexible cancellation policies.

Can I find flights from Seattle to Houston for under C$ 300 on Cheapflights?

Yes, there are multiple flights from Seattle to Houston for under C$ 300. The cheapest flight booked recently is on Multiple Airlines for just C$ 241, but on average you can expect to pay C$ 297.

Are there direct flights from Seattle to Houston for under C$ 300 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to Houston under C$ 300. A good price for a direct flight from Seattle to Houston is less than C$ 483.

Are there last-minute flights available from Seattle to Houston for under C$ 500?

There are currently 20+ open flights from Seattle to Houston within the next 7 days for less than C$ 500.

How popular is this Seattle to Houston flight route?

Within the past month, 68 users have taken a look at flights from Seattle/Tacoma Intl to Houston.

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$ 253. Other airlines that can offer you cheap pricing are Delta, from C$ 276, and United Airlines, from C$ 316. Users have found that Alaska Airlines is 24% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to Houston one-way?

The cheapest airlines for a one-way flight from Seattle to Houston are Alaska Airlines (C$ 127), Delta (C$ 139), and United Airlines (C$ 229).

What are the cheapest flights from Seattle to Houston?

Looking at all options, your cheapest flight can be booked for C$ 196. While the most popular route (Seattle/Tacoma Intl - Houston George Bush Intcntl) can be booked for C$ 1,392 on average our data indicates C$ 196 when flying from Seattle to Houston.

What are the most popular airlines that fly from Seattle to Houston?

Consider American Airlines, Alaska Airlines or Frontier when booking your flight. These represent the most popular airlines when flying from Seattle to Houston.

COVID Restrictions

View COVID Travel Restrictions for Houston, TX

Do I need a COVID test to fly to Houston from Seattle?

Information is based on travel restrictions for travel to Houston within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Houston.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Houston.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Houston.

Do I need a test to fly back to Seattle from Houston?

Returning to Seattle/Tacoma Intl from Houston

COVID-19 testing requirements
Visitors from Houston must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Houston are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Houston, TX

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Seattle to Houston.
Flight duration from SEA to Houston
4h 37m
Average temperature for December in Houston
17.0 °C

Airports servicing Seattle

Airports servicing Houston

George Bush Intcntl (IAH)

Top 4 airlines flying from Seattle/Tacoma Intl to Houston

The chart below displays the airlines Cheapflights users travelling from Seattle to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
C$ 108 C$ 293 No cancel fee 65%
Search Spirit Airlines flights
Alaska Airlines
C$ 145 C$ 311 No cancel fee 75%
Search Alaska Airlines flights
United Airlines
C$ 225 C$ 438 No cancel fee 69%
Search United Airlines flights
American Airlines
C$ 336 C$ 558 No cancel fee 71%
Search American Airlines flights

Hourly flight availability from Seattle to Houston

See what time of day planes typically take off from Seattle towards Houston.
Afternoon Noon to 6 PM 48% of flight departures
Morning 6 AM to noon 46% of flight departures
Evening 6 PM to midnight 4% of flight departures
Early morning Midnight to 6 AM 2% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to Houston
See how many times per day planes take to the skies headed from Seattle to Houston.
Sunday
1 daily flight
Monday
0 flights
Tuesday
0 flights
Wednesday
0 flights
Thursday
0 flights
Friday
0 flights
Saturday
0 flights
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