Houston to Seattle flights
Round trip · Economy · Prices per person in USD
Prices updated
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Houston → Seattle drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $490 |
| November 2026 | $435 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Nov 25 – 28 3 nights · leave Wed$435$435 Book
Frontier Airlines 1 stop · 5h 51m -
Oct 9 – 12 3 nights · leave Fri$490$490 Book
Frontier Airlines 1 stop · 6h 45m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Seattle
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Airport transfer to Seattle
Fixed prices from SEA on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Seattle · Nov 25 – 28Travel insurance · EKTA Airport transfer · Kiwitaxi
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Flights to Seattle from other cities
All flights to Seattle Flying the other way? Seattle to Houston from $253
Houston to Seattle: questions
How much is a flight from Houston to Seattle?
The cheapest round trip we have found right now is $435, leaving November 25 and returning November 28. Prices are per person, economy, in USD.
About this route
We track round-trip economy fares from Houston (United States) to Seattle (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $435, departing November 25 and returning November 28. The cheapest month to fly in our data is November, from $435. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.