Trip.com
>
Cheap Flights
>
United States
>
Houston
>
Seattle to Houston flight
>
Seattle-Tacoma International Airport to George Bush Intercontinental Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to George Bush Intercontinental Airport over the next 90 days, with one-way fares from £68 and round-trip from £171. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SEA 17:36
      4h 22m
      Direct
      IAH 23:58
      Seattle - Houston | Wed, Nov 11 | Alaska Airlines
      IAH 14:27
      4h 51m
      Direct
      SEA 17:18
      Houston - Seattle | Tue, Nov 17 | Alaska Airlines
      £263 £361
      27% off
      27% off
      £361 £263
    • SEA 17:36
      4h 22m
      Direct
      IAH 23:58
      Seattle - Houston | Thu, Nov 12 | Alaska Airlines
      IAH 14:27
      4h 51m
      Direct
      SEA 17:18
      Houston - Seattle | Tue, Nov 17 | Alaska Airlines
      £263 £361
      27% off
      27% off
      £361 £263
    • SEA 12:14
      14h 56m
      1 stop
      IAH 05:10
      Seattle - Houston | Mon, Nov 23 | Frontier Airlines
      IAH 14:49
      22h 10m
      1 stop
      SEA 10:59
      Houston - Seattle | Mon, Nov 30 | Frontier Airlines
      £171 £361
      53% off
      53% off
      £361 £171
    • SEA 21:16
      6h 44m
      1 stop
      IAH 06:00
      Seattle - Houston | Sat, Nov 21 | Frontier Airlines
      IAH 22:40
      18h 32m
      1 stop
      SEA 15:12
      Houston - Seattle | Wed, Nov 25 | Frontier Airlines
      £177
      51% off
      £361 £177
    • SEA 21:45
      15h 38m
      1 stop
      IAH 15:23
      Seattle - Houston | Tue, Nov 3 | Frontier Airlines
      IAH 22:59
      21h 46m
      1 stop
      SEA 18:45
      Houston - Seattle | Sun, Nov 8 | Frontier Airlines
      £179
      50% off
      £361 £179
    • SEA 20:09
      13h 23m
      1 stop
      IAH 11:32
      Seattle - Houston | Sun, Dec 13 | Frontier Airlines
      IAH 14:49
      20h 56m
      1 stop
      SEA 09:45
      Houston - Seattle | Tue, Dec 15 | Frontier Airlines
      £179
      50% off
      £361 £179
    • SEA 21:16
      16h 7m
      1 stop
      IAH 15:23
      Seattle - Houston | Wed, Nov 11 | Frontier Airlines
      IAH 22:40
      18h 32m
      1 stop
      SEA 15:12
      Houston - Seattle | Tue, Nov 17 | Frontier Airlines
      £191
      47% off
      £361 £191
    • SEA 16:27
      6h 13m
      1 stop
      IAH 00:40
      Seattle - Houston | Fri, Nov 20 | Frontier Airlines
      IAH 16:41
      20h 18m
      1 stop
      SEA 10:59
      Houston - Seattle | Sun, Nov 22 | Frontier Airlines
      £192
      47% off
      £361 £192
    • SEA 20:09
      14h 23m
      1 stop
      IAH 11:32
      Seattle - Houston | Fri, Nov 27 | Frontier Airlines
      IAH 16:49
      20h 10m
      1 stop
      SEA 10:59
      Houston - Seattle | Sun, Nov 29 | Frontier Airlines
      £198
      45% off
      £361 £198
    • SEA 13:00
      17h 25m
      1 stop
      HOU 14:00
      Seattle - Houston | Fri, Oct 30 | Normal Airline
      HOU 15:00
      6h
      Direct
      SEA 16:00
      Houston - Seattle | Sun, Nov 1 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest
      SEA 21:53
      11h 34m
      1 stop
      IAH 11:27
      Seattle - Houston | Fri, Nov 20 | Frontier Airlines
      £68 £200
      66% off
      66% off
      £200 £68
    • SEA 16:27
      6h 15m
      1 stop
      IAH 00:42
      Seattle - Houston | Wed, Nov 18 | Frontier Airlines
      £79 £200
      61% off
      61% off
      £200 £79
    • SEA 21:53
      21h 15m
      1 stop
      IAH 21:08
      Seattle - Houston | Mon, Nov 30 | Frontier Airlines
      £83 £200
      59% off
      59% off
      £200 £83
    • SEA 21:13
      18h 59m
      1 stop
      IAH 18:12
      Seattle - Houston | Mon, Nov 16 | Frontier Airlines
      £86
      56% off
      £200 £86
    • SEA 21:09
      24h 10m
      1 stop
      IAH 23:19
      Seattle - Houston | Sun, Dec 6 | Frontier Airlines
      £90
      55% off
      £200 £90
    • SEA 21:53
      23h 26m
      1 stop
      IAH 23:19
      Seattle - Houston | Mon, Dec 14 | Frontier Airlines
      £91
      55% off
      £200 £91
    • SEA 21:53
      21h 7m
      1 stop
      IAH 21:00
      Seattle - Houston | Fri, Dec 4 | Frontier Airlines
      £95
      53% off
      £200 £95
    • SEA 19:48
      13h 44m
      1 stop
      IAH 11:32
      Seattle - Houston | Thu, Nov 5 | Frontier Airlines
      £96
      52% off
      £200 £96
    • SEA 18:25
      9h 21m
      1 stop
      IAH 05:46
      Seattle - Houston | Tue, Dec 22 | Frontier Airlines
      £96
      52% off
      £200 £96
    • SEA 13:00
      17h 25m
      1 stop
      HOU 14:00
      Seattle - Houston | Fri, Oct 30 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SEA 22:54
      4h 15m
      Direct
      IAH 05:09
      Seattle - Houston | Tue, Dec 29 | Alaska Airlines
      £146 £277
      47% off
      47% off
      £277 £146
    • SEA 17:36
      4h 23m
      Direct
      IAH 23:59
      Seattle - Houston | Tue, Dec 1 | Alaska Airlines
      £146 £277
      47% off
      47% off
      £277 £146
    • SEA 17:36
      4h 23m
      Direct
      IAH 23:59
      Seattle - Houston | Tue, Dec 8 | Alaska Airlines
      £146 £277
      47% off
      47% off
      £277 £146
    • SEA 17:36
      4h 23m
      Direct
      IAH 23:59
      Seattle - Houston | Sat, Dec 5 | Alaska Airlines
      £147
      47% off
      £277 £147
    • SEA 10:47
      4h 20m
      Direct
      IAH 17:07
      Seattle - Houston | Wed, Dec 9 | Alaska Airlines
      £148
      47% off
      £277 £148
    • SEA 17:37
      4h 22m
      Direct
      IAH 23:59
      Seattle - Houston | Tue, Nov 10 | Alaska Airlines
      £148
      47% off
      £277 £148
    • SEA 10:47
      4h 20m
      Direct
      IAH 17:07
      Seattle - Houston | Wed, Dec 2 | Alaska Airlines
      £148
      47% off
      £277 £148
    • SEA 17:36
      4h 23m
      Direct
      IAH 23:59
      Seattle - Houston | Tue, Dec 15 | Alaska Airlines
      £148
      47% off
      £277 £148
    • SEA 10:09
      4h 23m
      Direct
      IAH 16:32
      Seattle - Houston | Sat, Dec 12 | Alaska Airlines
      £149
      46% off
      £277 £149
    • SEA 13:00
      17h 25m
      1 stop
      HOU 14:00
      Seattle - Houston | Fri, Oct 30 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SEA 10:47
      4h 19m
      Direct
      IAH 17:06
      Seattle - Houston | Wed, Dec 23 | Alaska Airlines
      £135 £200
      33% off
      33% off
      £200 £135
    • SEA 17:37
      4h 22m
      Direct
      IAH 23:59
      Seattle - Houston | Tue, Dec 8 | Alaska Airlines
      £146 £200
      27% off
      27% off
      £200 £146
    • SEA 22:54
      4h 15m
      Direct
      IAH 05:09
      Seattle - Houston | Tue, Dec 29 | Alaska Airlines
      £146 £277
      47% off
      47% off
      £277 £146
    • SEA 17:36
      4h 23m
      Direct
      IAH 23:59
      Seattle - Houston | Tue, Dec 1 | Alaska Airlines
      £146
      47% off
      £277 £146
    • SEA 17:36
      4h 23m
      Direct
      IAH 23:59
      Seattle - Houston | Tue, Dec 8 | Alaska Airlines
      £146
      47% off
      £277 £146
    • SEA 17:36
      4h 23m
      Direct
      IAH 23:59
      Seattle - Houston | Sat, Dec 5 | Alaska Airlines
      £147
      47% off
      £277 £147
    • SEA 10:47
      4h 20m
      Direct
      IAH 17:07
      Seattle - Houston | Wed, Dec 9 | Alaska Airlines
      £148
      47% off
      £277 £148
    • SEA 17:37
      4h 22m
      Direct
      IAH 23:59
      Seattle - Houston | Tue, Nov 10 | Alaska Airlines
      £148
      47% off
      £277 £148
    • SEA 10:47
      4h 20m
      Direct
      IAH 17:07
      Seattle - Houston | Wed, Dec 2 | Alaska Airlines
      £148
      47% off
      £277 £148
    • SEA 13:00
      17h 25m
      1 stop
      HOU 14:00
      Seattle - Houston | Fri, Oct 30 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SEA 10:23
      4h 31m
      Direct
      IAH 16:54
      Seattle - Houston | Tue, Nov 3 | Alaska Airlines
      £197 £598
      67% off
      67% off
      £598 £197
    • SEA 17:35
      4h 24m
      Direct
      IAH 23:59
      Seattle - Houston | Thu, Oct 29 | Alaska Airlines
      £240 £598
      60% off
      60% off
      £598 £240
    • SEA 17:35
      4h 24m
      Direct
      IAH 23:59
      Seattle - Houston | Sat, Oct 31 | Alaska Airlines
      £340 £598
      43% off
      43% off
      £598 £340
    • SEA 10:23
      4h 31m
      Direct
      IAH 16:54
      Seattle - Houston | Wed, Nov 4 | Alaska Airlines
      £343
      43% off
      £598 £343
    • SEA 17:37
      4h 22m
      Direct
      IAH 23:59
      Seattle - Houston | Mon, Nov 2 | Alaska Airlines
      £343
      43% off
      £598 £343
    • SEA 17:35
      4h 24m
      Direct
      IAH 23:59
      Seattle - Houston | Fri, Oct 30 | Alaska Airlines
      £399
      33% off
      £598 £399
    • SEA 17:37
      4h 22m
      Direct
      IAH 23:59
      Seattle - Houston | Sun, Nov 1 | Alaska Airlines
      £415
      31% off
      £598 £415
    • SEA 16:27
      6h 15m
      1 stop
      IAH 00:42
      Seattle - Houston | Sat, Oct 31 | Frontier Airlines
      £134
      78% off
      £598 £134
    • SEA 16:27
      6h 15m
      1 stop
      IAH 00:42
      Seattle - Houston | Fri, Oct 30 | Frontier Airlines
      £164
      73% off
      £598 £164
    • SEA 13:00
      17h 25m
      1 stop
      HOU 14:00
      Seattle - Houston | Fri, Oct 30 | Normal Airline
      Find more flights
      Find more flights
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Wed, Dec 16 | United Airlines
      £193 £481
      60% off
      60% off
      £481 £193
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Sun, Dec 6 | United Airlines
      £209 £481
      56% off
      56% off
      £481 £209
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Wed, Dec 9 | United Airlines
      £211 £481
      56% off
      56% off
      £481 £211
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Sun, Nov 8 | United Airlines
      £212
      56% off
      £481 £212
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Mon, Nov 9 | United Airlines
      £247
      49% off
      £481 £247
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Sat, Nov 7 | United Airlines
      £247
      49% off
      £481 £247
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Tue, Nov 17 | United Airlines
      £251
      48% off
      £481 £251
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Sat, Nov 14 | United Airlines
      £254
      47% off
      £481 £254
    • SEA 23:59
      4h 14m
      Direct
      IAH 06:13
      Seattle - Houston | Thu, Oct 29 | United Airlines
      £295
      39% off
      £481 £295
    • SEA 13:00
      17h 25m
      1 stop
      HOU 14:00
      Seattle - Houston | Fri, Oct 30 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Seattle to Houston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to George Bush Intercontinental Airport

What is the cheapest month to fly from Seattle-Tacoma International Airport to George Bush Intercontinental Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to George Bush Intercontinental Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to George Bush Intercontinental Airport are usually in October, with an average price of £107. It is best to avoid June, when the average price can reach £263.

£263
£185
£107
£29
  • £107
    Oct
  • £247
    Nov
  • £223
    Dec
  • £240
    Jan
  • £185
    Feb
  • £197
    Mar
  • £216
    Apr
  • £233
    May
  • £263
    Jun
  • £209
    Jul
  • £222
    Aug
  • £179
    Sep

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to George Bush Intercontinental Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to George Bush Intercontinental Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Seattle-Tacoma International Airport to George Bush Intercontinental Airport is Tuesday, with average prices usually lower than other days. Avoid departing on Saturday as prices are typically highest on that day.

£271
£225
£179
£133
  • £197
    Mon
  • £179
    Tue
  • £249
    Wed
  • £214
    Thu
  • £211
    Fri
  • £271
    Sat
  • £212
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to George Bush Intercontinental Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to George Bush Intercontinental Airport is Frontier Airlines (from £82) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £82
Alaska Airlines
From £119
Delta Air Lines
From £132
American Airlines
From £158
United Airlines
From £173
Jetblue Airways
From £239

Find more flights and airlines

What is the flight schedule from Seattle-Tacoma International Airport to George Bush Intercontinental Airport?

Check the schedule for flights from Seattle to Houston and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S - T - T F -
    Search

  2. F92996

    Denver International Airport

    21:59

    DEN

    2h 30m

    Direct

    01:29

    IAH

    S M T W T F S

  3. DL2914

    Seattle-Tacoma International Airport

    12:30

    SEA

    2h 45m

    Direct

    15:15

    LAX

    S M T W T F S
    Search

  4. DL1287

    Los Angeles International Airport

    18:35

    LAX

    3h 16m

    Direct

    23:51

    IAH

    - - - W T - S

  5. F94204

    Seattle-Tacoma International Airport

    21:07

    SEA

    2h 46m

    Direct

    23:53

    LAS

    S - - W T - -
    Search

  6. F91490

    Harry Reid International Airport

    09:55

    LAS

    3h 16m

    Direct

    15:11

    IAH

    S - - W T - S

  7. F91178

    Seattle-Tacoma International Airport

    13:52

    SEA

    2h 45m

    Direct

    16:37

    LAX

    S M T W T F S
    Search

  8. F91756

    Los Angeles International Airport

    06:00

    LAX

    3h 32m

    Direct

    11:32

    IAH

    S M T W T F S

  9. F94668

    Seattle-Tacoma International Airport

    12:14

    SEA

    2h 42m

    Direct

    14:56

    LAS

    - - - - - F S
    Search

  10. F94132

    Harry Reid International Airport

    23:52

    LAS

    3h 8m

    Direct

    05:00

    IAH

    S M T W T F S

  11. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S - T - T F -
    Search

  12. F93206

    Denver International Airport

    07:47

    DEN

    2h 30m

    Direct

    11:17

    IAH

    S M T W T F S

  13. F94204

    Seattle-Tacoma International Airport

    21:07

    SEA

    2h 46m

    Direct

    23:53

    LAS

    S - - W T - -
    Search

  14. F94132

    Harry Reid International Airport

    23:52

    LAS

    3h 8m

    Direct

    05:00

    IAH

    S M T W T F S

  15. F94204

    Seattle-Tacoma International Airport

    21:07

    SEA

    2h 46m

    Direct

    23:53

    LAS

    S - - W T - -
    Search

  16. F91966

    Harry Reid International Airport

    15:46

    LAS

    3h 14m

    Direct

    21:00

    IAH

    - M T - - F -

  17. F94204

    Seattle-Tacoma International Airport

    21:07

    SEA

    2h 46m

    Direct

    23:53

    LAS

    S - - W T - -
    Search

  18. F94924

    Harry Reid International Airport

    19:34

    LAS

    3h 10m

    Direct

    00:44

    IAH

    S - - W T - S
Find more flights and airlines

About Seattle-Tacoma International Airport and George Bush Intercontinental Airport

Learn about Seattle-Tacoma International Airport (SEA) and George Bush Intercontinental Airport (IAH) — including location, terminals, transportation, and travel tips.

Flight distance 3,016.2km
Cheapest one-way ticket price £68
Cheapest return ticket price £171

FAQs for Seattle-Tacoma International Airport to George Bush Intercontinental Airport Flights

  • How long is the flight from Seattle-Tacoma International Airport to George Bush Intercontinental Airport?

    Seattle-Tacoma International Airport to George Bush Intercontinental Airport takes about 4 hours 12 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 daily flights from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH).
  • The earliest flight from Seattle-Tacoma International Airport to George Bush Intercontinental Airport departs at 07:17, and the last departs at 23:59, with about 7 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Seattle-Tacoma International Airport (SEA) to George Bush Intercontinental Airport (IAH) is quite popular. Without considering departure times or holidays, tickets cost around £417 in October, the most expensive month to book this route.
  • United Airlines is a very popular airline operating an average of 2410 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to George Bush Intercontinental Airport currently start from £68, and round-trip fares start from £171. The current lowest fare is a Frontier Airlines flight departing on Fri, Nov 20; prices may vary depending on availability.
  • Yes. United Airlines and Alaska Airlines operate direct flights from Seattle-Tacoma International Airport to George Bush Intercontinental Airport, with an average flight time of 4 hours 28 minutes, and around 49 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to George Bush Intercontinental Airport is £215. Prices may vary depending on the departure date, airline, and availability.
  • Seattle-Tacoma International Airport to George Bush Intercontinental Airport operates around 49 weekly flights, mainly by United Airlines and Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and George Bush Intercontinental Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Find Cheap Flights with Trip.com

Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.