Direct flights from Houston to Seattle

Did you mean Flights from Seattle to Houston?

Houston

United States

IAH

George Bush Intercontinental Houston Airport

Seattle

United States

SEA

Seattle Tacoma International Airport

Route: Nonstop service available
Distance: 1,872 miles
Marketing airlines: 7 airlines
Aircraft: 9 aircraft types
Dates: Oct 19, 2026 – Oct 17, 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 IAH → SEA, Economy, on 2026-11-17, 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.

IAH → SEAEconomy
AS280
12,500 points+ $5.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 10:33
IAH → SEAEconomy
AS439
12,500 points+ $5.00
Departure
2026-11-17
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 10:33
IAH → SEAEconomy
AS280
15,000 points+ $5.00
Departure
2026-11-10
Seats seen
3
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 23:04
IAH → SEAEconomy
AS439
15,000 points+ $5.00
Departure
2026-11-10
Seats seen
5
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 23:04
IAH → SEAEconomy
AS280
15,000 points+ $5.00
Departure
2026-11-12
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 00:59
IAH → SEAEconomy
AS241
17,500 points+ $5.00
Departure
2026-10-28
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 02:28
IAH → SEAEconomy
AS439
17,500 points+ $5.00
Departure
2026-10-28
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 02:28
IAH → SEAEconomy
AS439
17,500 points+ $5.00
Departure
2026-11-03
Seats seen
7
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 10:37
IAH → SEAEconomy
AS280
17,500 points+ $5.00
Departure
2026-11-03
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 10:37
IAH → SEAEconomy
UA2638
19,000 points+ $9.00
Departure
2026-11-12
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-22 08:44
IAH → SEAEconomy
UA2744
19,000 points+ $9.00
Departure
2026-11-12
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-22 08:44
IAH → SEAEconomy
UA2341
19,000 points+ $9.00
Departure
2026-11-12
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-22 08:44

Explore these booking programs

Search Alaska Atmos Rewards awards Alaska Atmos Rewards booking and transfer guide
Transfer partners in our directory: Bilt Rewards, Marriott Bonvoy, IHG Rewards, Choice Privileges. Check current eligibility and terms before transferring.
Search Virgin Australia awards Virgin Australia booking and transfer guide
Transfer partners in our directory: Marriott Bonvoy, Choice Privileges, IHG Rewards, Accor Live Limitless. Check current eligibility and terms before transferring.

Houston to Seattle route overview

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

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

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

Marketing airlines listed in the current schedule, including codeshare sellers, are Alaska Airlines (AS), EVA Air (BR), Cathay Pacific (CX), Emirates (EK), 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 17, 2027.

Marketing airlines on the Houston to Seattle 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.

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

Airline alliance affiliations represented: Oneworld, Star Alliance

Aircraft flying from IAH to SEA

Frequently asked questions

Which airports serve the Houston to Seattle route?

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

How far is Seattle from Houston?

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

Are there direct flights from IAH to SEA?

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

Which airlines market flights from IAH to SEA?

Which aircraft fly from IAH to SEA?

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 757-200 (752), Boeing 737 MAX 8 (7M8) and JET.