
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $229 (Kiwi.com) |
One-way from | $119 (Alaska Airlines) |
Popular in | January |
Cheapest in | October |
Average price | $324 |
Good round-trip deal | $305 or less |
Good one-way deal | $177 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Wed 4/8
7:00 am-9:57 am
Nonstop4h 57m
Seattle/Tacoma Intl
Sat 4/18
11:01 pm-5:21 am
Nonstop4h 20m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Tue 4/7
7:00 am-9:57 am
Nonstop4h 57m
Seattle/Tacoma Intl
Thu 4/16
11:01 pm-5:21 am
Nonstop4h 20m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Fri 2/20
7:15 am-12:33 pm
1 stop7h 18m
Seattle/Tacoma Intl
Tue 2/24
12:00 pm-11:31 pm
1 stop9h 31m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Wed 4/8
12:41 pm-6:30 pm
1 stop7h 49m
Seattle/Tacoma Intl
Thu 4/16
6:00 am-5:42 pm
1 stop9h 42m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Wed 2/25
7:57 pm-11:00 pm
Nonstop5h 03m
Seattle/Tacoma Intl
Sun 3/1
6:45 am-1:09 pm
Nonstop4h 24m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Fri 2/20
5:00 am-11:49 am
1 stop8h 49m
Seattle/Tacoma Intl
Sat 2/21
2:20 pm-8:48 pm
Nonstop4h 28m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Fri 2/20
7:15 am-12:33 pm
1 stop7h 18m
Seattle/Tacoma Intl
Sun 2/22
2:00 pm-11:37 pm
1 stop7h 37m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Sun 3/1
5:00 am-11:49 am
1 stop8h 49m
Seattle/Tacoma Intl
Sun 3/8
2:15 pm-8:40 pm
Nonstop4h 25m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Tue 5/19
4:45 pm-7:44 pm
Nonstop4h 59m
Seattle/Tacoma Intl
Thu 5/28
12:00 pm-6:40 pm
Nonstop4h 40m
HoustonSeattle
IAH - SEA
IAHSEA
Houston George Bush Intcntl
Mon 5/18
7:55 pm-10:52 pm
Nonstop4h 57m
Seattle/Tacoma Intl
Tue 5/26
11:52 pm-6:12 am
Nonstop4h 20m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Houston George Bush Intcntl Airport to Seattle is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Seattle (average of $159). Flying from Houston George Bush Intcntl Airport to Seattle in June is currently the most expensive (average of $257). 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.
It’s typically best to fly out from Houston George Bush Intcntl Airport to Seattle in the morning. Doing so could potentially save you 7% on the flight price compared to flying in the evening, which is usually more expensive.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Seattle flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 16% of weekly flights between Houston and Seattle have experienced delays in the past year, with the average delay time being 162 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Atlas Air have had the lowest number of delays on this route, with just 13% of flights being delayed.
Crew
Entertainment
Food
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Entertainment
Food
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Entertainment
Food
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Entertainment
Food
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Entertainment
Food
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
Crew
Entertainment
Food
Overall
Boarding
Comfort
Reviews
Anonymous,Dec 2025
SJC - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$197 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$127 | Average$264 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$256 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$184 | Average$356 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$193 | Average$387 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$218 | Average$391 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$257 | Average$439 | FlexibilityNo cancel fee | On-time69% |