Travel with Axel,
get the best price.

San Francisco → Houston

Dec 13, 2026 · return Dec 19, 2026

SFO → IAH1 adulteconomyRound trip

8 flight options · 3 airlines

Nonstop flights

Sun, Dec 13 – Sat, Dec 19

United Airlines
12:45 amSFO
3h 47m
Nonstop
6:32 amIAH
United Airlines
10:01 amIAH
4h 18m
Nonstop
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

United Airlines
11:59 pmSFO
3h 47m
Nonstop
5:46 am+1IAH
United Airlines
10:01 amIAH
4h 18m
Nonstop
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Sat, Dec 19

Frontier Airlines
9:46 pmSFO
6h
LAS · 1h 11m
5:46 am+1IAH
Frontier Airlines
11:39 amIAH
6h 23m
PHX · 1h
4:02 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

Alaska Airlines
1:20 pmSFO
6h 16m
LAX · 1h 20m
9:36 pmIAH
United Airlines
10:01 amIAH
4h 18m
Nonstop
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

United Airlines
12:25 pmSFO
5h 50m
AUS · 1h 11m
8:15 pmIAH
United Airlines
10:01 amIAH
4h 18m
Nonstop
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

United Airlines
8:45 amSFO
6h 23m
DFW · 1h 25m
5:08 pmIAH
United Airlines
10:01 amIAH
4h 18m
Nonstop
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

United Airlines
2:00 pmSFO
6h 33m
SAN · 1h 39m
10:33 pmIAH
United Airlines
10:01 amIAH
4h 18m
Nonstop
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sat, Dec 19

United Airlines
9:22 pmSFO
5h 51m
LAX · 1h 7m
5:13 am+1IAH
United Airlines
10:01 amIAH
4h 18m
Nonstop
12:19 pmSFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ IAH

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, United Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

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)
2026-12-13 → 2026-12-19United AirlinesUA604 / UA2358$448.502026-10-29T01:18:06Z
2026-12-13 → 2026-12-19Frontier AirlinesF94156 + F91966 / F91703 + F91191$253.002026-10-29T01:18:06Z
2026-12-13 → 2026-12-19Alaska Airlines / United AirlinesAS1497 + AA6343 / UA2358$436.002026-10-29T01:18:06Z
2026-12-13 → 2026-12-19United AirlinesUA505 / UA2358$448.502026-10-29T01:18:06Z
2026-12-13 → 2026-12-19United AirlinesUA1116 + UA1871 / UA2358$428.502026-10-29T01:18:06Z
2026-12-13 → 2026-12-19United AirlinesUA1883 + UA2682 / UA2358$428.502026-10-29T01:18:06Z
2026-12-13 → 2026-12-19United AirlinesUA1668 + UA1191 / UA2358$428.502026-10-29T01:18:06Z
2026-12-13 → 2026-12-19United AirlinesUA2862 + UA580 / UA2358$428.502026-10-29T01:18:06Z

2026-12-13 → 2026-12-19 · $448.50

  • United Airlines UA604: SFO 2026-12-13 00:45:00 → IAH 2026-12-13 06:32:00; nonstop; 227 minutes. Local airport times.
  • United Airlines UA2358: IAH 2026-12-19 10:01:00 → SFO 2026-12-19 12:19:00; nonstop; 258 minutes. Local airport times.

2026-12-13 → 2026-12-19 · $253.00

  • Frontier Airlines F94156 / F91966: SFO 2026-12-13 21:46:00 → IAH 2026-12-14 05:46:00; 1 stop(s) via LAS; 360 minutes. Local airport times.
    • F94156: SFO 2026-12-13 21:46:00 → LAS 2026-12-13 23:29:00; layover at LAS: 71 minutes.
    • F91966: LAS 2026-12-14 00:40:00 → IAH 2026-12-14 05:46:00.
  • Frontier Airlines F91703 / F91191: IAH 2026-12-19 11:39:00 → SFO 2026-12-19 16:02:00; 1 stop(s) via PHX; 383 minutes. Local airport times.
    • F91703: IAH 2026-12-19 11:39:00 → PHX 2026-12-19 13:45:00; layover at PHX: 60 minutes.
    • F91191: PHX 2026-12-19 14:45:00 → SFO 2026-12-19 16:02:00.

2026-12-13 → 2026-12-19 · $436.00

  • Alaska Airlines AS1497 / AA6343: SFO 2026-12-13 13:20:00 → IAH 2026-12-13 21:36:00; 1 stop(s) via LAX; 376 minutes. Local airport times.
    • AS1497: SFO 2026-12-13 13:20:00 → LAX 2026-12-13 14:52:00; layover at LAX: 80 minutes.
    • AA6343: LAX 2026-12-13 16:12:00 → IAH 2026-12-13 21:36:00.
  • United Airlines UA2358: IAH 2026-12-19 10:01:00 → SFO 2026-12-19 12:19:00; nonstop; 258 minutes. Local airport times.

2026-12-13 → 2026-12-19 · $448.50

  • United Airlines UA505: SFO 2026-12-13 23:59:00 → IAH 2026-12-14 05:46:00; nonstop; 227 minutes. Local airport times.
  • United Airlines UA2358: IAH 2026-12-19 10:01:00 → SFO 2026-12-19 12:19:00; nonstop; 258 minutes. Local airport times.

2026-12-13 → 2026-12-19 · $428.50

  • United Airlines UA1116 / UA1871: SFO 2026-12-13 12:25:00 → IAH 2026-12-13 20:15:00; 1 stop(s) via AUS; 350 minutes. Local airport times.
    • UA1116: SFO 2026-12-13 12:25:00 → AUS 2026-12-13 17:56:00; layover at AUS: 71 minutes.
    • UA1871: AUS 2026-12-13 19:07:00 → IAH 2026-12-13 20:15:00.
  • United Airlines UA2358: IAH 2026-12-19 10:01:00 → SFO 2026-12-19 12:19:00; nonstop; 258 minutes. Local airport times.

2026-12-13 → 2026-12-19 · $428.50

  • United Airlines UA1883 / UA2682: SFO 2026-12-13 08:45:00 → IAH 2026-12-13 17:08:00; 1 stop(s) via DFW; 383 minutes. Local airport times.
    • UA1883: SFO 2026-12-13 08:45:00 → DFW 2026-12-13 14:20:00; layover at DFW: 85 minutes.
    • UA2682: DFW 2026-12-13 15:45:00 → IAH 2026-12-13 17:08:00.
  • United Airlines UA2358: IAH 2026-12-19 10:01:00 → SFO 2026-12-19 12:19:00; nonstop; 258 minutes. Local airport times.

2026-12-13 → 2026-12-19 · $428.50

  • United Airlines UA1668 / UA1191: SFO 2026-12-13 14:00:00 → IAH 2026-12-13 22:33:00; 1 stop(s) via SAN; 393 minutes. Local airport times.
    • UA1668: SFO 2026-12-13 14:00:00 → SAN 2026-12-13 15:39:00; layover at SAN: 99 minutes.
    • UA1191: SAN 2026-12-13 17:18:00 → IAH 2026-12-13 22:33:00.
  • United Airlines UA2358: IAH 2026-12-19 10:01:00 → SFO 2026-12-19 12:19:00; nonstop; 258 minutes. Local airport times.

2026-12-13 → 2026-12-19 · $428.50

  • United Airlines UA2862 / UA580: SFO 2026-12-13 21:22:00 → IAH 2026-12-14 05:13:00; 1 stop(s) via LAX; 351 minutes. Local airport times.
    • UA2862: SFO 2026-12-13 21:22:00 → LAX 2026-12-13 22:52:00; layover at LAX: 67 minutes.
    • UA580: LAX 2026-12-13 23:59:00 → IAH 2026-12-14 05:13:00.
  • United Airlines UA2358: IAH 2026-12-19 10:01:00 → SFO 2026-12-19 12:19:00; nonstop; 258 minutes. Local airport times.

More dates for this route