Direct flights from Seattle to Houston

Did you mean Flights from Houston to Seattle?

Seattle

United States

SEA

Seattle Tacoma International Airport

Houston

United States

IAH

George Bush Intercontinental Houston Airport

Route: Nonstop service available
Distance: 1,872 miles
Marketing airlines: 7 airlines
Aircraft: 8 aircraft types
Dates: Oct 19, 2026 – Oct 18, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 12,500 points + $5.00 for SEA → IAH, Economy, on 2026-11-18, booked with Alaska Atmos Rewards. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-23 – 2026-11-21.

SEA → IAHEconomy
AS240
12,500 points+ $5.00
Departure
2026-11-18
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 20:49
SEA → IAHEconomy
AS438
15,000 points+ $5.00
Departure
2026-11-08
Seats seen
6
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-23 05:52
SEA → IAHEconomy
AS240
15,000 points+ $5.00
Departure
2026-11-08
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-23 05:52
SEA → IAHEconomy
AS438
15,000 points+ $5.00
Departure
2026-11-10
Seats seen
4
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 04:48
SEA → IAHEconomy
AS240
15,000 points+ $5.00
Departure
2026-11-10
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 04:48
SEA → IAHEconomy
AS240
15,000 points+ $5.00
Departure
2026-11-15
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 01:50
SEA → IAHEconomy
AS240
15,000 points+ $5.00
Departure
2026-11-16
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 06:23
SEA → IAHEconomy
AS438
15,000 points+ $5.00
Departure
2026-11-16
Seats seen
2
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 06:23
SEA → IAHEconomy
AS240
17,500 points+ $5.00
Departure
2026-10-29
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 07:14
SEA → IAHEconomy
AS240
17,500 points+ $5.00
Departure
2026-10-31
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 15:45
SEA → IAHEconomy
AS240
17,500 points+ $5.00
Departure
2026-11-01
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 17:54
SEA → IAHEconomy
AS438
17,500 points+ $5.00
Departure
2026-11-15
Seats seen
5
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 01:50

Seattle to Houston route overview

Seattle Tacoma International Airport (SEA) serves Seattle; George Bush Intercontinental Houston Airport (IAH) serves Houston.

The airports are 1,872 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from SEA to IAH.

Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS), Finnair (AY), EVA Air (BR), Cathay Pacific (CX), Japan Airlines (JL), Qatar Airways (QR) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 18, 2027.

Marketing airlines on the Seattle to Houston route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Finnair (AY)Codeshare only
EVA Air (BR)Codeshare only
Cathay Pacific (CX)Codeshare only
Japan Airlines (JL)Codeshare only
Qatar Airways (QR)Codeshare only

Airline alliance affiliations represented: Oneworld, Star Alliance

Aircraft flying from SEA to IAH

Frequently asked questions

Which airports serve the Seattle to Houston route?

Seattle Tacoma International Airport (SEA) is the origin airport and George Bush Intercontinental Houston Airport (IAH) is the destination airport.

How far is Houston from Seattle?

SEA and IAH are approximately 1,872 miles apart by great-circle distance.

Are there direct flights from SEA to IAH?

Yes. Roame's current schedule feed shows nonstop service from SEA to IAH.

Which airlines market flights from SEA to IAH?

Which aircraft fly from SEA to IAH?

Aircraft listed in the current schedule include Airbus A320 (320), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-700 / Boeing 737-700ER (73G), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 737 MAX 8 (7M8) and JET.