IAH to SEA

Houston to Seattle flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

IAH
Houston (IAH), United StatesGeorge Bush Intercontinental
SEA
Seattle (SEA), United StatesSeattle/tacoma International
Search
Live fares from the airlines No hidden charges Free cancellation window 24×7 booking support
Cheapest fareUS$167Delta Air Lines
Fastest4h 38mgate to gate
Options today135flights on this route

Live flights for Thu, 06 Aug 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Thu, 06 AugIAH to SEA$167 Fri, 07 AugIAH to SEA Sat, 08 AugIAH to SEA Sun, 09 AugIAH to SEA Mon, 10 AugIAH to SEA Tue, 11 AugIAH to SEA Wed, 12 AugIAH to SEA
Sort By:DepartureDurationArrivalPrice
Delta Air Lines
Delta Air Lines
DL-1143
16:14
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
7H :48 M
1 Stop
LAX · 1h 42mLos Angeles (LAX), United States
22:02
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$167
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1143
16:14
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
9H :30 M
1 Stop
LAX · 3h 25mLos Angeles (LAX), United States
23:44
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$167
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1299
19:06
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
6H :53 M
1 Stop
SLC · 1h 25mSalt Lake City (SLC), United States
23:59
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$167
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2638
16:25
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :47 M
Non Stop
19:12
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$277
total fare
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-692
18:30
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :48 M
Non Stop
21:18
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$277
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2456
19:55
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :47 M
Non Stop
22:42
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$277
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1874
05:15
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
6H :45 M
1 Stop
DEN · 1h 14mDenver (DEN), United States
10:00
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$287
total fare
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Alaska Airlines
Alaska Airlines
AS-453
06:02
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :38 M
Non Stop
08:40
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$303
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Alaska Airlines
Alaska Airlines
AS-241
08:00
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :41 M
Non Stop
10:41
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$303
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
Alaska Airlines
Alaska Airlines
AS-439
14:38
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :43 M
Non Stop
17:21
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$303
total fare
Non Refundable 7 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces
American Airlines
American Airlines
AA-6413
12:57
2026-08-06
Houston (HOU)United StatesHobby
7H :50 M
1 Stop
DFW · 2h 08mDallas (DFW), United States
18:47
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$307
total fare
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 2 Pieces (UPTO45LI/115LCM)
Delta Air Lines
Delta Air Lines
DL-1583
07:30
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
18H :29 M
1 Stop
SLC · 13h 02mSalt Lake City (SLC), United States
23:59
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$326
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1299
19:06
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
15H :51 M
1 Stop
SLC · 10h 25mSalt Lake City (SLC), United States
08:57
2026-08-07
SEATTLE (SEA)United StatesSeattle/tacoma International
$326
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2654
08:00
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :47 M
Non Stop
10:47
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$327
total fare
Non Refundable 5 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2205
10:00
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
4H :47 M
Non Stop
12:47
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$327
total fare
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-487
05:22
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
9H :12 M
1 Stop
SFO · 2h 53mSan Francisco (SFO), United States
12:34
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$337
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2600
07:20
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
9H :16 M
1 Stop
LAX · 2h 46mLos Angeles (LAX), United States
14:36
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$337
total fare
Non Refundable 4 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1951
14:54
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
9H :05 M
1 Stop
LAX · 2h 40mLos Angeles (LAX), United States
21:59
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$337
total fare
Non Refundable 3 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1216
07:20
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
11H :17 M
1 Stop
LAX · 5h 20mLos Angeles (LAX), United States
16:37
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$343
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1216
07:20
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
15H :10 M
1 Stop
LAX · 9h 11mLos Angeles (LAX), United States
20:30
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$343
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1216
07:20
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
16H :42 M
1 Stop
LAX · 10h 37mLos Angeles (LAX), United States
22:02
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$343
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1216
07:20
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
18H :24 M
1 Stop
LAX · 12h 20mLos Angeles (LAX), United States
23:44
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$343
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces

Recommended hotels in Seattle

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Delta Air Lines
Delta Air Lines
DL-1069
05:41
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
8H :27 M
1 Stop
ATL · 0h 56mAtlanta (ATL), United States
12:08
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$348
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Delta Air Lines
Delta Air Lines
DL-1583
07:30
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
16H :35 M
1 Stop
SLC · 11h 06mSalt Lake City (SLC), United States
22:05
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$351
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-1874
05:15
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
19H :55 M
1 Stop
DEN · 14h 23mDenver (DEN), United States
23:10
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$355
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
United Airlines
United Airlines
UA-2643
06:30
2026-08-06
Houston (IAH)United StatesGeorge Bush Intercontinental
18H :40 M
1 Stop
DEN · 13h 08mDenver (DEN), United States
23:10
2026-08-06
SEATTLE (SEA)United StatesSeattle/tacoma International
$355
total fare
Non Refundable 9 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
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Fare highlights

Selected flight highlights for 06 Aug 2026.

Open full search
Lowest fare $167 Delta Air Lines 16:14
Earliest departure $381 American Airlines 05:00
Shortest duration $303 Alaska Airlines 06:02
Night 00:00-05:59 $287 United Airlines at 05:15
Morning 06:00-11:59 $303 Alaska Airlines at 06:02
Afternoon 12:00-17:59 $167 Delta Air Lines at 16:14
Evening 18:00-23:59 $167 Delta Air Lines at 19:06

Houston to Seattle route details

Houston (IAH)

George Bush Intercontinental

United States

GMT -6

Latitude: 29.984399795532227

Longitude: -95.34140014648438

Seattle (SEA)

Seattle/tacoma International

United States

GMT -8

Latitude: 47.449001

Longitude: -122.308998

Distance: Houston (IAH), United States to Seattle (SEA), United States - 3,013.41 km
Flights shown for 06 Aug 2026. View all flights opens the complete search result.

Houston to Seattle - what to expect when booking

The IAH to SEA cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 3,013.41 km.

Before you book

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Check fare rows

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More flights from Houston (IAH)23 routes
Houston → Acapulco
IAH → ACA
Houston → Aguascalientes
IAH → AGU
Houston → Albuquerque
IAH → ABQ
Houston → Amarillo
IAH → AMA
Houston → Amsterdam
IAH → AMS
Houston → Atlanta
IAH → ATL
Houston → Austin
IAH → AUS
Houston → Bakersfield
IAH → BFL
Houston → Baton Rouge
IAH → BTR
Houston → Beijing
IAH → PEK
Houston → Belize City
IAH → BZE
Houston → Fayetteville
IAH → XNA
Houston → Birmingham
IAH → BHM
Houston → Bogota
IAH → BOG
Houston → Kralendijk
IAH → BON
Houston → Boston
IAH → BOS
Houston → Buenos Aires
IAH → EZE
Houston → Calgary
IAH → YYC
Houston → Cancun
IAH → CUN
Houston → Charleston
IAH → CRW
Houston → Charlotte
IAH → CLT
Houston → Chicago
IAH → ORD
Houston → Chihuahua
IAH → CUU
More flights from Seattle (SEA)23 routes
Seattle → Albuquerque
SEA → ABQ
Seattle → Amsterdam
SEA → AMS
Seattle → Anchorage
SEA → ANC
Seattle → Atlanta
SEA → ATL
Seattle → Austin
SEA → AUS
Seattle → Beijing
SEA → PEK
Seattle → Bellingham
SEA → BLI
Seattle → Billings
SEA → BIL
Seattle → Boise
SEA → BOI
Seattle → Boston
SEA → BOS
Seattle → Bozeman
SEA → BZN
Seattle → Burbank
SEA → BUR
Seattle → Calgary
SEA → YYC
Seattle → Charlotte
SEA → CLT
Seattle → Chicago
SEA → MDW
Seattle → Colorado Springs
SEA → COS
Seattle → Dallas
SEA → DAL
Seattle → Denver
SEA → DEN
Seattle → Detroit Mi
SEA → DTW
Seattle → Dubai
SEA → DXB
Seattle → Edmonton
SEA → YEG
Seattle → Eugene
SEA → EUG
Seattle → Fairbanks
SEA → FAI

Book Cheapest Flight from Houston to Seattle on FlyX

Securing the best airfare from Houston to Seattle is all about planning. FlyX's real-time fare tracking system allows you to check flight options and lock in the lowest ticket prices before they rise:

  • Book at least 3-4 weeks in advance to secure the most competitive Houston to Seattle airfares.
  • Consider traveling mid-week (Tuesdays or Wednesdays) to bypass weekend pricing surges.
  • Early morning or late-night departure flights consistently offer lower fares than afternoon slots.
  • Use our live calendar view above to easily spot fare changes on nearby dates.

Find the Lowest airfare from Houston to Seattle

Cheapest Fare Fare Date Airline Departure
Lowest Airfare Today $167 06/08/2026 Delta Air Lines 16:14
Cheapest Airfare Within 30 Days $164 14/08/2026 Delta Air Lines 16:14
Cheapest Airfare Within 90 Days $159 13/10/2026 Delta Air Lines 16:14

Book Houston to Seattle Flight Tickets on FlyX

Planning to fly from Houston to Seattle? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.

Houston to Seattle Flight Distance, Duration and Time

The aerial distance between Houston and Seattle is approximately 3,013 KM. The flight duration ranges from 4H :38 M up to 26H :50 M depending on whether you book a non-stop flight or a connecting schedule with layovers.

Houston to Seattle Flight Schedule and Timing

Around 135 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from Houston at 05:00, while the last night flight leaves at 22:08. Flights depart from George Bush Intercontinental and land at Seattle/tacoma International.

Flight Route Details & Analysis

Flight Details Information
Route Houston to Seattle
Aerial Distance 3,013 KM
Flight Duration 4H :38 M - 26H :50 M
Airport Codes Houston - IAH, Seattle - SEA
Total Flights Available 135 flights (9 direct)
First Flight Departure Departs at 05:00
Last Flight Departure Departs at 22:08
Early Morning Flights (12 AM - 8 AM) 57 direct/indirect flights
Morning Flights (8 AM - 12 PM) 26 direct/indirect flights
Afternoon Flights (12 PM - 4 PM) 24 direct/indirect flights
Evening Flights (4 PM - 8 PM) 24 direct/indirect flights
Night Flights (8 PM - 12 AM) 4 direct/indirect flights

Airport Information & Terminals

IAH: Houston airport. Houston airport transfer should be matched to the exact hotel, suburb or meeting area. Rail can work well for light luggage, but late arrivals, winter weather and family baggage often make a direct cab or booked transfer easier.

SEA: Seattle-Tacoma International Airport. Sea-Tac connects to downtown by light rail, while cabs are useful for Bellevue, Redmond or late-night arrivals. Rain and freeway traffic should be part of the plan.
Frequently asked questions - Houston to Seattle flights
Yes, booking flights in advance helps you secure cheap flight tickets. Comparing air ticket prices 3–4 weeks early gives you better visibility of airline timings, baggage policies, and fare rules before high-demand periods push prices up.
The approximate direct air distance between Houston (IAH) and Seattle (SEA) is 3,013.41 km. The actual flight duration and route path vary depending on airline schedules and wind conditions.
Non-stop flight availability depends on the airline schedule and departure date. You can filter the live search results by stops to view direct flights, one-stop connections, and transit flights instantly.
Airline seat inventory and airfares change dynamically in real-time. Selecting 'Book Now' runs a live fare verification check to ensure you get the most accurate price before final booking confirmation.
Yes, you can easily compare flights for nearby dates. Select any date on the date calendar strip to refresh the fares, compare air ticket pricing, and choose the most budget-friendly travel day.
IAH → SEA · from US$167
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