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Houston → Seattle

Dec 2, 2026 · return Dec 5, 2026

IAH → SEA1 adulteconomyRound trip

10 flight options · 6 airlines

Nonstop flights

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
2:08 pmIAH
4h 57m
Nonstop
5:05 pmSEA
Alaska Airlines
10:54 pmSEA
4h 15m
Nonstop
5:09 am+1IAH

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

United Airlines
4:25 pmIAH
4h 52m
Nonstop
7:17 pmSEA
United Airlines
11:58 pmSEA
4h 22m
Nonstop
6:20 am+1IAH

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
6:29 amIAH
5h
Nonstop
9:29 amSEA
Alaska Airlines
10:54 pmSEA
4h 15m
Nonstop
5:09 am+1IAH

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

United Airlines
7:55 pmIAH
4h 59m
Nonstop
10:54 pmSEA
United Airlines
11:58 pmSEA
4h 22m
Nonstop
6:20 am+1IAH

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 2 – Sat, Dec 5

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

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

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

WestJet
8:00 amIAH
7h 40m
YYC · 1h 15m
1:40 pmSEA
Alaska Airlines
10:54 pmSEA
4h 15m
Nonstop
5:09 am+1IAH

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
6:10 pmIAH
6h 50m
PDX · 1h 9m
11:00 pmSEA
Alaska Airlines
10:54 pmSEA
4h 15m
Nonstop
5:09 am+1IAH

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

United Airlines
12:43 pmIAH
7h 14m
DEN · 1h 28m
5:57 pmSEA
United Airlines
11:58 pmSEA
4h 22m
Nonstop
6:20 am+1IAH

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAH ⇄ SEA

Economy

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

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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

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)
2026-12-02 → 2026-12-05Alaska AirlinesAS439 / AS240$360.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05United AirlinesUA2638 / UA2798$390.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05Frontier AirlinesF93229 + F9605 / F91916 + F92996$200.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05American AirlinesAA2873 + AA2177 / AA630 + AA5147$340.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05Delta Air LinesDL1583 + DL2995 / DL1120 + DL2514$370.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05WestJet / Alaska AirlinesWS1541 + WS1552 / AS240$420.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05Alaska AirlinesAS280 / AS240$360.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05United AirlinesUA2341 / UA2798$390.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05Alaska AirlinesAS1421 + AS1432 / AS240$345.002026-10-29T01:11:30Z
2026-12-02 → 2026-12-05United AirlinesUA2168 + UA2013 / UA2798$370.002026-10-29T01:11:30Z

2026-12-02 → 2026-12-05 · $360.00

  • Alaska Airlines AS439: IAH 2026-12-02 14:08:00 → SEA 2026-12-02 17:05:00; nonstop; 297 minutes. Local airport times.
  • Alaska Airlines AS240: SEA 2026-12-05 22:54:00 → IAH 2026-12-06 05:09:00; nonstop; 255 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $390.00

  • United Airlines UA2638: IAH 2026-12-02 16:25:00 → SEA 2026-12-02 19:17:00; nonstop; 292 minutes. Local airport times.
  • United Airlines UA2798: SEA 2026-12-05 23:58:00 → IAH 2026-12-06 06:20:00; nonstop; 262 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $200.00

  • Frontier Airlines F93229 / F9605: IAH 2026-12-02 06:26:00 → SEA 2026-12-02 12:22:00; 1 stop(s) via DEN; 476 minutes. Local airport times.
    • F93229: IAH 2026-12-02 06:26:00 → DEN 2026-12-02 08:05:00; layover at DEN: 123 minutes.
    • F9605: DEN 2026-12-02 10:08:00 → SEA 2026-12-02 12:22:00.
  • Frontier Airlines F91916 / F92996: SEA 2026-12-05 16:37:00 → IAH 2026-12-06 01:23:00; 1 stop(s) via DEN; 406 minutes. Local airport times.
    • F91916: SEA 2026-12-05 16:37:00 → DEN 2026-12-05 20:25:00; layover at DEN: 94 minutes.
    • F92996: DEN 2026-12-05 21:59:00 → IAH 2026-12-06 01:23:00.

2026-12-02 → 2026-12-05 · $340.00

  • American Airlines AA2873 / AA2177: IAH 2026-12-02 14:37:00 → SEA 2026-12-02 20:09:00; 1 stop(s) via PHX; 452 minutes. Local airport times.
    • AA2873: IAH 2026-12-02 14:37:00 → PHX 2026-12-02 16:38:00; layover at PHX: 72 minutes.
    • AA2177: PHX 2026-12-02 17:50:00 → SEA 2026-12-02 20:09:00.
  • American Airlines AA630 / AA5147: SEA 2026-12-05 00:47:00 → IAH 2026-12-05 10:07:00; 1 stop(s) via DFW; 440 minutes. Local airport times.
    • AA630: SEA 2026-12-05 00:47:00 → DFW 2026-12-05 06:39:00; layover at DFW: 126 minutes.
    • AA5147: DFW 2026-12-05 08:45:00 → IAH 2026-12-05 10:07:00.

2026-12-02 → 2026-12-05 · $370.00

  • Delta Air Lines DL1583 / DL2995: IAH 2026-12-02 07:20:00 → SEA 2026-12-02 12:36:00; 1 stop(s) via SLC; 436 minutes. Local airport times.
    • DL1583: IAH 2026-12-02 07:20:00 → SLC 2026-12-02 09:45:00; layover at SLC: 90 minutes.
    • DL2995: SLC 2026-12-02 11:15:00 → SEA 2026-12-02 12:36:00.
  • Delta Air Lines DL1120 / DL2514: SEA 2026-12-05 13:25:00 → IAH 2026-12-05 21:58:00; 1 stop(s) via SLC; 393 minutes. Local airport times.
    • DL1120: SEA 2026-12-05 13:25:00 → SLC 2026-12-05 16:26:00; layover at SLC: 89 minutes.
    • DL2514: SLC 2026-12-05 17:55:00 → IAH 2026-12-05 21:58:00.

2026-12-02 → 2026-12-05 · $420.00

  • WestJet WS1541 / WS1552: IAH 2026-12-02 08:00:00 → SEA 2026-12-02 13:40:00; 1 stop(s) via YYC; 460 minutes. Local airport times.
    • WS1541: IAH 2026-12-02 08:00:00 → YYC 2026-12-02 12:30:00; layover at YYC: 75 minutes.
    • WS1552: YYC 2026-12-02 13:45:00 → SEA 2026-12-02 13:40:00.
  • Alaska Airlines AS240: SEA 2026-12-05 22:54:00 → IAH 2026-12-06 05:09:00; nonstop; 255 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $360.00

  • Alaska Airlines AS280: IAH 2026-12-02 06:29:00 → SEA 2026-12-02 09:29:00; nonstop; 300 minutes. Local airport times.
  • Alaska Airlines AS240: SEA 2026-12-05 22:54:00 → IAH 2026-12-06 05:09:00; nonstop; 255 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $390.00

  • United Airlines UA2341: IAH 2026-12-02 19:55:00 → SEA 2026-12-02 22:54:00; nonstop; 299 minutes. Local airport times.
  • United Airlines UA2798: SEA 2026-12-05 23:58:00 → IAH 2026-12-06 06:20:00; nonstop; 262 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $345.00

  • Alaska Airlines AS1421 / AS1432: IAH 2026-12-02 18:10:00 → SEA 2026-12-02 23:00:00; 1 stop(s) via PDX; 410 minutes. Local airport times.
    • AS1421: IAH 2026-12-02 18:10:00 → PDX 2026-12-02 20:50:00; layover at PDX: 69 minutes.
    • AS1432: PDX 2026-12-02 21:59:00 → SEA 2026-12-02 23:00:00.
  • Alaska Airlines AS240: SEA 2026-12-05 22:54:00 → IAH 2026-12-06 05:09:00; nonstop; 255 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $370.00

  • United Airlines UA2168 / UA2013: IAH 2026-12-02 12:43:00 → SEA 2026-12-02 17:57:00; 1 stop(s) via DEN; 434 minutes. Local airport times.
    • UA2168: IAH 2026-12-02 12:43:00 → DEN 2026-12-02 14:25:00; layover at DEN: 88 minutes.
    • UA2013: DEN 2026-12-02 15:53:00 → SEA 2026-12-02 17:57:00.
  • United Airlines UA2798: SEA 2026-12-05 23:58:00 → IAH 2026-12-06 06:20:00; nonstop; 262 minutes. Local airport times.

More dates for this route