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Seattle → Houston

Jan 21, 2027 · return Feb 4, 2027

SEA → IAH1 adulteconomyRound trip

10 flight options · 5 airlines

Nonstop flights

Thu, Jan 21 – Thu, Feb 4

Alaska Airlines
5:38 pmSEA
4h 20m
Nonstop
11:58 pmIAH
Alaska Airlines
7:10 pmIAH
4h 44m
Nonstop
9:54 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
11:59 pmSEA
4h 14m
Nonstop
6:13 am+1IAH
United Airlines
7:55 pmIAH
4h 56m
Nonstop
10:51 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

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

Thu, Jan 21 – Thu, Feb 4

United Airlines
7:10 amSEA
4h 21m
Nonstop
1:31 pmIAH
United Airlines
7:55 pmIAH
4h 56m
Nonstop
10:51 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 – Thu, Feb 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

Thu, Jan 21 – Thu, Feb 4

American Airlines
12:47 amSEA
7h 20m
DFW · 2h 6m
10:07 amIAH
American Airlines
2:37 pmIAH
7h 32m
PHX · 1h 12m
8:09 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
1:25 pmSEA
6h 33m
SLC · 1h 29m
9:58 pmIAH
Delta Air Lines
7:20 amIAH
7h 16m
SLC · 1h 30m
12:36 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

American Airlines
3:00 pmSEA
6h 48m
PHX · 1h 15m
11:48 pmIAH
American Airlines
2:37 pmIAH
7h 32m
PHX · 1h 12m
8:09 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

Delta Air Lines
8:30 amSEA
7h 23m
MSP · 1h
5:53 pmIAH
Delta Air Lines
7:20 amIAH
7h 16m
SLC · 1h 30m
12:36 pmSEA

Round-trip total · 1 adult · Taxes included

Thu, Jan 21 – Thu, Feb 4

United Airlines
7:05 amSEA
4h 16m
Nonstop
1:21 pmIAH
United Airlines
12:43 pmIAH
7h 14m
DEN · 1h 28m
5:57 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ IAH

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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More dates

All dates for this routeNov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

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

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2027-01-21 → 2027-02-04Alaska AirlinesAS240 / AS439$390.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04United AirlinesUA2211 / UA2341$410.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04Frontier AirlinesF91916 + F92996 / F93229 + F9605$210.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04American AirlinesAA630 + AA5147 / AA2873 + AA2177$350.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04Delta Air LinesDL1120 + DL2514 / DL1583 + DL2995$370.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04Alaska AirlinesAS438 / AS439$390.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04United AirlinesUA2135 / UA2341$410.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04American AirlinesAA2073 + AA3232 / AA2873 + AA2177$350.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04Delta Air LinesDL536 + DL2644 / DL1583 + DL2995$370.002026-10-29T01:15:29Z
2027-01-21 → 2027-02-04United AirlinesUA2135 / UA2168 + UA2013$385.002026-10-29T01:15:29Z

2027-01-21 → 2027-02-04 · $390.00

  • Alaska Airlines AS240: SEA 2027-01-21 17:38:00 → IAH 2027-01-21 23:58:00; nonstop; 260 minutes. Local airport times.
  • Alaska Airlines AS439: IAH 2027-02-04 19:10:00 → SEA 2027-02-04 21:54:00; nonstop; 284 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $410.00

  • United Airlines UA2211: SEA 2027-01-21 23:59:00 → IAH 2027-01-22 06:13:00; nonstop; 254 minutes. Local airport times.
  • United Airlines UA2341: IAH 2027-02-04 19:55:00 → SEA 2027-02-04 22:51:00; nonstop; 296 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $210.00

  • Frontier Airlines F91916 / F92996: SEA 2027-01-21 16:37:00 → IAH 2027-01-22 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2027-01-21 16:37:00 → DEN 2027-01-21 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2027-01-21 21:59:00 → IAH 2027-01-22 01:23:00.
  • Frontier Airlines F93229 / F9605: IAH 2027-02-04 06:26:00 → SEA 2027-02-04 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2027-02-04 06:26:00 → DEN 2027-02-04 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2027-02-04 10:08:00 → SEA 2027-02-04 12:22:00.

2027-01-21 → 2027-02-04 · $350.00

  • American Airlines AA630 / AA5147: SEA 2027-01-21 00:47:00 → IAH 2027-01-21 10:07:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • AA630: SEA 2027-01-21 00:47:00 → DFW 2027-01-21 06:39:00; layover at DFW: 126 minutes.
    • AA5147: DFW 2027-01-21 08:45:00 → IAH 2027-01-21 10:07:00.
  • American Airlines AA2873 / AA2177: IAH 2027-02-04 14:37:00 → SEA 2027-02-04 20:09:00; 1 stop(s) via PHX; 452 minutes. Local airport times.
    • AA2873: IAH 2027-02-04 14:37:00 → PHX 2027-02-04 16:38:00; layover at PHX: 72 minutes.
    • AA2177: PHX 2027-02-04 17:50:00 → SEA 2027-02-04 20:09:00.

2027-01-21 → 2027-02-04 · $370.00

  • Delta Air Lines DL1120 / DL2514: SEA 2027-01-21 13:25:00 → IAH 2027-01-21 21:58:00; 1 stop(s) via SLC; 393 minutes. Local airport times.
    • DL1120: SEA 2027-01-21 13:25:00 → SLC 2027-01-21 16:26:00; layover at SLC: 89 minutes.
    • DL2514: SLC 2027-01-21 17:55:00 → IAH 2027-01-21 21:58:00.
  • Delta Air Lines DL1583 / DL2995: IAH 2027-02-04 07:20:00 → SEA 2027-02-04 12:36:00; 1 stop(s) via SLC; 436 minutes. Local airport times.
    • DL1583: IAH 2027-02-04 07:20:00 → SLC 2027-02-04 09:45:00; layover at SLC: 90 minutes.
    • DL2995: SLC 2027-02-04 11:15:00 → SEA 2027-02-04 12:36:00.

2027-01-21 → 2027-02-04 · $390.00

  • Alaska Airlines AS438: SEA 2027-01-21 10:44:00 → IAH 2027-01-21 17:03:00; nonstop; 259 minutes. Local airport times.
  • Alaska Airlines AS439: IAH 2027-02-04 19:10:00 → SEA 2027-02-04 21:54:00; nonstop; 284 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $410.00

  • United Airlines UA2135: SEA 2027-01-21 07:10:00 → IAH 2027-01-21 13:31:00; nonstop; 261 minutes. Local airport times.
  • United Airlines UA2341: IAH 2027-02-04 19:55:00 → SEA 2027-02-04 22:51:00; nonstop; 296 minutes. Local airport times.

2027-01-21 → 2027-02-04 · $350.00

  • American Airlines AA2073 / AA3232: SEA 2027-01-21 15:00:00 → IAH 2027-01-21 23:48:00; 1 stop(s) via PHX; 408 minutes. Local airport times.
    • AA2073: SEA 2027-01-21 15:00:00 → PHX 2027-01-21 18:52:00; layover at PHX: 75 minutes.
    • AA3232: PHX 2027-01-21 20:07:00 → IAH 2027-01-21 23:48:00.
  • American Airlines AA2873 / AA2177: IAH 2027-02-04 14:37:00 → SEA 2027-02-04 20:09:00; 1 stop(s) via PHX; 452 minutes. Local airport times.
    • AA2873: IAH 2027-02-04 14:37:00 → PHX 2027-02-04 16:38:00; layover at PHX: 72 minutes.
    • AA2177: PHX 2027-02-04 17:50:00 → SEA 2027-02-04 20:09:00.

2027-01-21 → 2027-02-04 · $370.00

  • Delta Air Lines DL536 / DL2644: SEA 2027-01-21 08:30:00 → IAH 2027-01-21 17:53:00; 1 stop(s) via MSP; 443 minutes. Local airport times.
    • DL536: SEA 2027-01-21 08:30:00 → MSP 2027-01-21 13:48:00; layover at MSP: 60 minutes.
    • DL2644: MSP 2027-01-21 14:48:00 → IAH 2027-01-21 17:53:00.
  • Delta Air Lines DL1583 / DL2995: IAH 2027-02-04 07:20:00 → SEA 2027-02-04 12:36:00; 1 stop(s) via SLC; 436 minutes. Local airport times.
    • DL1583: IAH 2027-02-04 07:20:00 → SLC 2027-02-04 09:45:00; layover at SLC: 90 minutes.
    • DL2995: SLC 2027-02-04 11:15:00 → SEA 2027-02-04 12:36:00.

2027-01-21 → 2027-02-04 · $385.00

  • United Airlines UA2135: SEA 2027-01-21 07:05:00 → IAH 2027-01-21 13:21:00; nonstop; 256 minutes. Local airport times.
  • United Airlines UA2168 / UA2013: IAH 2027-02-04 12:43:00 → SEA 2027-02-04 17:57:00; 1 stop(s) via DEN; 434 minutes. Local airport times.
    • UA2168: IAH 2027-02-04 12:43:00 → DEN 2027-02-04 14:25:00; layover at DEN: 88 minutes.
    • UA2013: DEN 2027-02-04 15:53:00 → SEA 2027-02-04 17:57:00.

More dates for this route