Cheap flights from Seattle to Houston

Round-trip
Economy
Seattle (SEA)
Houston (IAH)
Depart
Return
Any month
Compare vs. Cheapflights |

The best prices from Seattle to Houston are usually found in August or May, booked 28 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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

All the information you need to plan the best SEA to IAH flight in 2021: compare Seattle to Houston flight prices with the expected peak season, weather and rainfall in Houston.
SEA - IAH
Price
C$ 209 - C$ 452
IAH
Temperature
15 - 30 °C
IAH
Rainfall
0 - 1 mm

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

August

Best time to find cheap flights, 34% potential price drop

Round-trip from

C$ 209

From Seattle to Houston

One-way from

C$ 168

One-way flight from Seattle to Houston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Seattle to Houston?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 76% on the overall cost on flights from Seattle to Houston.

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

Find a great deal and save up to 40% by booking at least 47 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Seattle to Houston within the next two weeks, with the cheapest ticket starting at C$ 640.

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

September is one of the best times of the year to fly to Houston from Seattle. Prices for September average C$ 550 per person but you can even find prices for as low as C$ 371. The most expensive prices can be found in the month of March. Opting for a September flight can save you 14% on your journey compared to booking in September

When is the cheapest time to fly from Seattle to Houston (SEA - IAH)?

Unlike in the morning, when flights are generally more expensive, you can save up to 32% on flights from Seattle to Houston by exploring options for tickets at noon.

Cheap flights from Seattle to Houston in June, July 2021

The best prices found for SEA to IAH flights for June, July
18 Jul - 19 Jul
C$ 318pp
SEA
Seattle/Tacoma Intl
United Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
10 Jul - 19 Jul
C$ 340pp
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
9 Jul - 16 Jul
C$ 366pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle to Houston 2021 flight deals

Cheap flights to Houston from Seattle found for this year
23 Oct - 30 Oct
C$ 270pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
19 Oct - 2 Nov
C$ 293pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
23 Oct - 5 Nov
C$ 295pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl

Direct flights to Houston from Seattle

Save time with Seattle to Houston direct flight deals
23 Oct - 2 Nov
C$ 270pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
23 Oct - 31 Oct
C$ 295pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
21 Oct - 24 Oct
C$ 320pp
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
28 Jun - 13 Jul
C$ 544pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
29 Jun - 23 Jul
C$ 581pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Jun - 6 Jul
C$ 617pp
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

One-way flights to Houston from Seattle

The cheapest one-way flights from Seattle to Houston
2:20 p.m. - 1:06 a.m.
Spirit Airlines
1 stop
8h 46m
SEA - IAH
Spirit Airlines
C$ 169
Spirit
1:42 p.m. - 7:57 p.m.
Alaska Airlines
Direct
4h 15m
SEA - IAH
Alaska Airlines
C$ 510
Alaska Airlines
8:35 p.m. - 6:26 a.m.
Delta
1 stop
7h 51m
SEA - IAH
Delta
C$ 540
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 airports do I use to fly from Seattle to Houston?

Houston George Bush Intcntl is the airport most travellers will use when flying to Houston from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to George Bush Intcntl (IAH) should be relatively easy as there are 6 daily flights to Houston from 5 different airlines. 4h 15m is how long a flight from Seattle to Houston George Bush Intcntl will take if you book a nonstop flight.

What safety measures are being taken by airlines flying from Seattle/Tacoma Intl to Houston George Bush Intcntl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially-distanced seating (for a limited time) will work towards keeping travellers safer while flying from Seattle/Tacoma Intl to Houston George Bush Intcntl. Policies will vary by airline.

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

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

Can I find flights from Seattle to Houston for under C$ 374 on Cheapflights?

Yes, there are multiple flights from Seattle to Houston for under C$ 374. The cheapest flight booked recently is on Alaska Airlines for just C$ 270, but on average you can expect to pay C$ 336.

Are there direct flights from Seattle to Houston for under C$ 374 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to Houston under C$ 374. A good price for a direct flight from Seattle to Houston is less than C$ 665.

Are there last-minute flights available from Seattle to Houston for under C$ 623?

There are currently 20+ open flights from Seattle to Houston within the next 7 days for less than C$ 623.

What days are direct flights available from Seattle to Houston?

Days when direct flights are available for this flight are: Tuesday.

How popular is this flight route?

Flights from Seattle/Tacoma Intl to Houston George Bush Intcntl have been viewed 104 times in the past calendar month.

How many flights depart from Seattle to Houston on average per day?

1 flight departure from Seattle/Tacoma Intl to Houston George Bush Intcntl per day on average.
Evening (6pm - Midnight) - 100% of flight departures

Does it rain more in Seattle or Houston?

Seattle will have less rainfall in 2 compared to Houston over the next 15 days.

Is Seattle weather warmer or cooler than Houston?

We forecast the temperature to be around the 30 °C's in August, on average. The temperature in Houston is generally hotter than in Seattle. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Seattle to Houston?

Airlines like Alaska Airlines, United Airlines, and Delta fly from Seattle to Houston in about 4h 03m. The time it takes to get you to your destination can typically vary by up to 2h 27m. The distance from Seattle to Houston is about 3030 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

According to our current data, Alaska Airlines (C$ 271), Delta (C$ 293), and Spirit Airlines (C$ 319) offers the cheapest pricing from Seattle to Houston. Alaska Airlines is 14% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as C$ 128. However, be on the lookout for offers from Alaska Airlines and Delta, as they are both options that can get you from Seattle to Houston for a low price.

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Seattle to Houston.
Flight duration
4h 20m
Average temperature for June in Houston
28.0 °C
Avg rainfall for June in Houston
1.0 mm

Airports servicing Seattle

Airports servicing Houston

Top 4 airlines flying from Seattle 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$ 95 C$ 228 No cancel fee 65%
Search Spirit Airlines flights
Alaska Airlines
C$ 128 C$ 261 No cancel fee 75%
Search Alaska Airlines flights
United Airlines
C$ 176 C$ 341 No cancel fee 69%
Search United Airlines flights
American Airlines
C$ 262 C$ 435 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.
Morning 6 AM to noon 70% of flight departures
Evening 6 PM to midnight 16% of flight departures
Afternoon Noon to 6 PM 13% of flight departures
Early morning Midnight to 6 AM 1% 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
5 daily flights
Monday
6 daily flights
Tuesday
7 daily flights
Wednesday
7 daily flights
Thursday
5 daily flights
Friday
10 daily flights
Saturday
8 daily flights
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