Seattle to Houston BFI, SEA → IAH
Boeing Field International Airport (BFI), Seattle-Tacoma International Airport (SEA) → George Bush Intercontinental Airport (IAH)
The cheapest return found recently is $318 with Frontier Airlines, 10 Dec – 12 Dec, found yesterday. The cheapest one-way found recently is $141 with Frontier Airlines, 10 Dec, found yesterday.
Return
The cheapest return fare on each of 3 departure dates is usually $341 to $372.
Cheapest return found recently
$318
10 Dec – 12 Dec · Frontier Airlines
Seattle-Tacoma International Airport (SEA) → George Bush Intercontinental Airport (IAH)
Leaves 1:36 p.m. · Return leaves 6:00 a.m. · 32 h 4 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$318 10 Dec – 12 Decfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $253 to $852.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 10 Dec to 15 Feb 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 2-night return fares leaving within 3 days of 10 Dec to compare.
Every date we hold
4 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 10 Dec – 12 Dec | $318 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 13 Dec – 14 Dec | $379 | Alaska Airlines | Seattle-Tacoma International Airport (SEA) → George Bush Intercontinental Airport (IAH) | out nonstop, back 1 stop | found 5 days ago | See prices for these dates |
| 15 Feb 2027 – 2 Mar 2027 | $364 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → George Bush Intercontinental Airport (IAH) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $318.
Airlines on the cheapest dates: Frontier Airlines, Alaska Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$141
10 Dec · Frontier Airlines
Seattle-Tacoma International Airport (SEA) → George Bush Intercontinental Airport (IAH)
Leaves 1:36 p.m. · 20 h 21 min trip
1 stop
found yesterday
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$141 10 Decfound yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 8 days, 25 Sept to 18 Oct, the cheapest one-way we saw each day was $141 to $466.
At $141, the cheapest one-way found recently is at the low end of that range.
8 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 10 Dec to compare.
Every date we hold
2 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 10 Dec | $141 | Frontier Airlines | Seattle-Tacoma International Airport (SEA) → George Bush Intercontinental Airport (IAH) | 1 stop | found yesterday | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Seattle to Houston
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 10 Dec – 12 Dec in another cabin: Premium economy · Business · First
Today's prices for 10 Dec in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Seattle to Houston?
Return
Fares 30 to 59 days before departure were typically 49% lower than 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $623 | $299 | +96% | 10 |
| 14–29 days | $852 | $253 | +168% | 13 |
| 30–59 days | $318 | $253 | Cheapest seen | 7 |
| 60–89 days | $372 | $273 | +17% | 17 |
One-way
Not enough history yet: in 8 days of one-way prices, 25 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
One-way
Everett → Houston
34 km from Seattle
$481
$340 more than flying from Seattle
10 Dec · PAE → IAH · 1 stop
found yesterday
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 10 Dec – 12 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work