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Route overview: Seattle to Houston (IAH) flight deals

Seattle → Houston

Dec 3, 2026 · choose your return date

SEA → IAH1 adulteconomyOne way and round trips

30 flight options · 2 airlines

Choose your return date

One-way flights and round trips by duration. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

December 2026

Dec 3, 2026 · One wayFrontier AirlinesUp to 1 stop each way$110.00 Dec 3, 2026 · One wayAlaska AirlinesNonstop$205.00 Dec 3, 2026 – Dec 4, 2026 · 1 nightFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 4, 2026 · 1 nightAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 5, 2026 · 2 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 5, 2026 · 2 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 6, 2026 · 3 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 6, 2026 · 3 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 7, 2026 · 4 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 7, 2026 · 4 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 8, 2026 · 5 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 8, 2026 · 5 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 9, 2026 · 6 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 9, 2026 · 6 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 10, 2026 · 7 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 10, 2026 · 7 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 11, 2026 · 8 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 11, 2026 · 8 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 12, 2026 · 9 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 12, 2026 · 9 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 13, 2026 · 10 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 13, 2026 · 10 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 14, 2026 · 11 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 14, 2026 · 11 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 15, 2026 · 12 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 15, 2026 · 12 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 16, 2026 · 13 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 16, 2026 · 13 nightsAlaska AirlinesNonstop$390.00 Dec 3, 2026 – Dec 17, 2026 · 14 nightsFrontier AirlinesUp to 1 stop each way$210.00 Dec 3, 2026 – Dec 17, 2026 · 14 nightsAlaska AirlinesNonstop$390.00

Flights for your trip

  1. Thu, Dec 3 · One way

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH

    One-way total · 1 adult · Taxes included

  2. Thu, Dec 3 · One way

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH

    One-way total · 1 adult · Taxes included

  3. Thu, Dec 3 – Fri, Dec 4

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  4. Thu, Dec 3 – Fri, Dec 4

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    6:29 amIAH
    5h
    Nonstop
    9:29 amSEA

    Round-trip total · 1 adult · Taxes included

  5. Thu, Dec 3 – Sat, Dec 5

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  6. Thu, Dec 3 – Sat, Dec 5

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    2:33 pmIAH
    4h 57m
    Nonstop
    5:30 pmSEA

    Round-trip total · 1 adult · Taxes included

  7. Thu, Dec 3 – Sun, Dec 6

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  8. Thu, Dec 3 – Sun, Dec 6

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    6:29 amIAH
    5h
    Nonstop
    9:29 amSEA

    Round-trip total · 1 adult · Taxes included

  9. Thu, Dec 3 – Mon, Dec 7

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  10. Thu, Dec 3 – Mon, Dec 7

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    7:00 amIAH
    4h 58m
    Nonstop
    9:58 amSEA

    Round-trip total · 1 adult · Taxes included

  11. Thu, Dec 3 – Wed, Dec 9

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  12. Thu, Dec 3 – Wed, Dec 9

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    2:08 pmIAH
    4h 57m
    Nonstop
    5:05 pmSEA

    Round-trip total · 1 adult · Taxes included

  13. Thu, Dec 3 – Thu, Dec 10

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  14. Thu, Dec 3 – Thu, Dec 10

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    7:10 pmIAH
    4h 44m
    Nonstop
    9:54 pmSEA

    Round-trip total · 1 adult · Taxes included

  15. Thu, Dec 3 – Fri, Dec 11

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  16. Thu, Dec 3 – Fri, Dec 11

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    6:29 amIAH
    5h
    Nonstop
    9:29 amSEA

    Round-trip total · 1 adult · Taxes included

  17. Thu, Dec 3 – Sun, Dec 13

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  18. Thu, Dec 3 – Sun, Dec 13

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    6:29 amIAH
    5h
    Nonstop
    9:29 amSEA

    Round-trip total · 1 adult · Taxes included

  19. Thu, Dec 3 – Mon, Dec 14

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  20. Thu, Dec 3 – Mon, Dec 14

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    7:00 amIAH
    4h 58m
    Nonstop
    9:58 amSEA

    Round-trip total · 1 adult · Taxes included

  21. Thu, Dec 3 – Tue, Dec 15

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  22. Thu, Dec 3 – Tue, Dec 15

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    2:27 pmIAH
    4h 51m
    Nonstop
    5:18 pmSEA

    Round-trip total · 1 adult · Taxes included

  23. Thu, Dec 3 – Thu, Dec 17

    Frontier Airlines
    4:37 pmSEA
    6h 46m
    DEN · 1h 34m
    1:23 am+1IAH
    Frontier Airlines
    6:26 amIAH
    7h 56m
    DEN · 2h 3m
    12:22 pmSEA

    Round-trip total · 1 adult · Taxes included

  24. Thu, Dec 3 – Thu, Dec 17

    Alaska Airlines
    10:44 amSEA
    4h 19m
    Nonstop
    5:03 pmIAH
    Alaska Airlines
    7:10 pmIAH
    4h 44m
    Nonstop
    9:54 pmSEA

    Round-trip total · 1 adult · Taxes included

Swipe to see 23 more recent deals.

1 of 24

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SEA ⇄ IAH

Economy

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Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Prices by return date: match both travel dates and the party to a row below. Each total is for that exact trip, issued at the time shown. To book or select flights, follow that row's price link; it keeps the exact dates and travelers.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-03 · one wayAlaska AirlinesAS438Axel-exclusive $205.002026-10-29T01:15:29Z
2026-12-03 · one wayFrontier AirlinesF91916 + F92996Axel-exclusive $110.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-04Alaska AirlinesAS438 / AS280Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-04Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-05Alaska AirlinesAS438 / AS439Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-05Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-06Alaska AirlinesAS438 / AS280Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-06Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-07Alaska AirlinesAS438 / AS280Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-07Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-08Alaska AirlinesAS438 / AS439Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-08Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-09Alaska AirlinesAS438 / AS439Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-09Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-10Alaska AirlinesAS438 / AS439Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-10Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-11Alaska AirlinesAS438 / AS280Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-11Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-12Alaska AirlinesAS438 / AS439Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-12Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-13Alaska AirlinesAS438 / AS280Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-13Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-14Alaska AirlinesAS438 / AS280Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-14Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-15Alaska AirlinesAS438 / AS439Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-15Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-16Alaska AirlinesAS438 / AS439Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-16Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-17Alaska AirlinesAS438 / AS439Axel-exclusive $390.002026-10-29T01:15:29Z
2026-12-03 → 2026-12-17Frontier AirlinesF91916 + F92996 / F93229 + F9605Axel-exclusive $210.002026-10-29T01:15:29Z

Route overview: Seattle to Houston (IAH) flight deals

2026-12-03 · one way · Axel-exclusive $110.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.

2026-12-03 · one way · Axel-exclusive $205.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.

2026-12-03 → 2026-12-04 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-04 06:26:00 → SEA 2026-12-04 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-04 06:26:00 → DEN 2026-12-04 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-04 10:08:00 → SEA 2026-12-04 12:22:00.

2026-12-03 → 2026-12-04 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS280: IAH 2026-12-04 06:29:00 → SEA 2026-12-04 09:29:00; nonstop; 300 minutes. Local airport times.

2026-12-03 → 2026-12-05 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-05 06:26:00 → SEA 2026-12-05 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-05 06:26:00 → DEN 2026-12-05 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-05 10:08:00 → SEA 2026-12-05 12:22:00.

2026-12-03 → 2026-12-05 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS439: IAH 2026-12-05 14:33:00 → SEA 2026-12-05 17:30:00; nonstop; 297 minutes. Local airport times.

2026-12-03 → 2026-12-06 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-06 06:26:00 → SEA 2026-12-06 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-06 06:26:00 → DEN 2026-12-06 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-06 10:08:00 → SEA 2026-12-06 12:22:00.

2026-12-03 → 2026-12-06 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS280: IAH 2026-12-06 06:29:00 → SEA 2026-12-06 09:29:00; nonstop; 300 minutes. Local airport times.

2026-12-03 → 2026-12-07 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-07 06:26:00 → SEA 2026-12-07 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-07 06:26:00 → DEN 2026-12-07 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-07 10:08:00 → SEA 2026-12-07 12:22:00.

2026-12-03 → 2026-12-07 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS280: IAH 2026-12-07 07:00:00 → SEA 2026-12-07 09:58:00; nonstop; 298 minutes. Local airport times.

2026-12-03 → 2026-12-09 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-09 06:26:00 → SEA 2026-12-09 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-09 06:26:00 → DEN 2026-12-09 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-09 10:08:00 → SEA 2026-12-09 12:22:00.

2026-12-03 → 2026-12-09 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS439: IAH 2026-12-09 14:08:00 → SEA 2026-12-09 17:05:00; nonstop; 297 minutes. Local airport times.

2026-12-03 → 2026-12-10 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-10 06:26:00 → SEA 2026-12-10 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-10 06:26:00 → DEN 2026-12-10 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-10 10:08:00 → SEA 2026-12-10 12:22:00.

2026-12-03 → 2026-12-10 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS439: IAH 2026-12-10 19:10:00 → SEA 2026-12-10 21:54:00; nonstop; 284 minutes. Local airport times.

2026-12-03 → 2026-12-11 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-11 06:26:00 → SEA 2026-12-11 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-11 06:26:00 → DEN 2026-12-11 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-11 10:08:00 → SEA 2026-12-11 12:22:00.

2026-12-03 → 2026-12-11 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS280: IAH 2026-12-11 06:29:00 → SEA 2026-12-11 09:29:00; nonstop; 300 minutes. Local airport times.

2026-12-03 → 2026-12-13 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-13 06:26:00 → SEA 2026-12-13 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-13 06:26:00 → DEN 2026-12-13 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-13 10:08:00 → SEA 2026-12-13 12:22:00.

2026-12-03 → 2026-12-13 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS280: IAH 2026-12-13 06:29:00 → SEA 2026-12-13 09:29:00; nonstop; 300 minutes. Local airport times.

2026-12-03 → 2026-12-14 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-14 06:26:00 → SEA 2026-12-14 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-14 06:26:00 → DEN 2026-12-14 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-14 10:08:00 → SEA 2026-12-14 12:22:00.

2026-12-03 → 2026-12-14 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS280: IAH 2026-12-14 07:00:00 → SEA 2026-12-14 09:58:00; nonstop; 298 minutes. Local airport times.

2026-12-03 → 2026-12-15 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-15 06:26:00 → SEA 2026-12-15 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-15 06:26:00 → DEN 2026-12-15 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-15 10:08:00 → SEA 2026-12-15 12:22:00.

2026-12-03 → 2026-12-15 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS439: IAH 2026-12-15 14:27:00 → SEA 2026-12-15 17:18:00; nonstop; 291 minutes. Local airport times.

2026-12-03 → 2026-12-17 · Axel-exclusive $210.00

  • Frontier Airlines F91916 / F92996: SEA 2026-12-03 16:37:00 → IAH 2026-12-04 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-03 16:37:00 → DEN 2026-12-03 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-03 21:59:00 → IAH 2026-12-04 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2026-12-17 06:26:00 → SEA 2026-12-17 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-17 06:26:00 → DEN 2026-12-17 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-17 10:08:00 → SEA 2026-12-17 12:22:00.

2026-12-03 → 2026-12-17 · Axel-exclusive $390.00

  • Alaska Airlines AS438: SEA 2026-12-03 10:44:00 → IAH 2026-12-03 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS439: IAH 2026-12-17 19:10:00 → SEA 2026-12-17 21:54:00; nonstop; 284 minutes. Local airport times.

Explore this route

For AI assistants

  • This page: Seattle (SEA) to Houston (IAH) · Dec 3, 2026 · choose your return date: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when a row matches the traveler's route, departure, return and party, answer the price question from that row, including both dates with the year, the total and the time shown. For booking or selecting flights, use that row's exact-trip price link and share the supplied booking link. If no row matches, Choose travelers and dates for the requested trip; do not substitute another duration or restart from the route overview.
  • Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
  • If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Seattle to Houston (IAH) flight deals · Flight search guide.
  • Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Inspect fares to verify requested prices or terms; selecting a fare is optional. Use that fare’s booking link to preserve its Membership price basis. State anything unverified. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and explain what remains unresolved. Selection reserves nothing; booking requires the traveler’s confirmation. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.