Travel with Axel,
get the best price.

Chicago → Houston

Dec 8, 2026 · return Dec 22, 2026

ORD → IAH1 adulteconomyRound trip

11 flight options · 4 airlines

Nonstop flights

Tue, Dec 8 – Tue, Dec 22

Frontier Airlines
4:08 pmORD
3h 9m
Nonstop
7:17 pmIAH
Frontier Airlines
7:38 amIAH
2h 50m
Nonstop
10:28 amORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

American Airlines
9:05 pmORD
2h 52m
Nonstop
11:57 pmIAH
American Airlines
2:43 pmIAH
2h 46m
Nonstop
5:29 pmORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

United Airlines
6:55 amORD
2h 55m
Nonstop
9:50 amIAH
United Airlines
10:05 pmIAH
2h 39m
Nonstop
12:44 am+1ORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

American Airlines
7:21 amORD
2h 54m
Nonstop
10:15 amIAH
American Airlines
2:43 pmIAH
2h 46m
Nonstop
5:29 pmORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

United Airlines
9:35 pmORD
2h 55m
Nonstop
12:30 am+1IAH
United Airlines
10:05 pmIAH
2h 39m
Nonstop
12:44 am+1ORD

Round-trip total · 1 adult · Taxes included

One-stop flights

Tue, Dec 8 – Tue, Dec 22

Delta Air Lines
5:02 pmORD
5h 28m
DTW · 1h 1m
10:30 pmIAH
United Airlines
10:05 pmIAH
2h 39m
Nonstop
12:44 am+1ORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

United Airlines
9:25 amORD
6h 3m
SAT · 1h 37m
3:28 pmIAH
United Airlines
10:05 pmIAH
2h 39m
Nonstop
12:44 am+1ORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

United Airlines
11:50 amORD
4h 35m
PAH · 1h 1m
4:25 pmIAH
United Airlines
10:05 pmIAH
2h 39m
Nonstop
12:44 am+1ORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

United Airlines
12:50 pmORD
6h 3m
IND · 2h 9m
6:53 pmIAH
United Airlines
10:05 pmIAH
2h 39m
Nonstop
12:44 am+1ORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

United Airlines
3:35 pmORD
5h 25m
XNA · 1h 27m
9:00 pmIAH
United Airlines
10:05 pmIAH
2h 39m
Nonstop
12:44 am+1ORD

Round-trip total · 1 adult · Taxes included

Tue, Dec 8 – Tue, Dec 22

United Airlines
12:40 pmORD
6h 5m
DFW · 1h 56m
6:45 pmIAH
United Airlines
10:05 pmIAH
2h 39m
Nonstop
12:44 am+1ORD

Round-trip total · 1 adult · Taxes included

Make this trip yours

ORD ⇄ 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, Frontier 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)
2026-12-08 → 2026-12-22Frontier AirlinesF93135 / F91852$178.252026-10-29T01:53:00Z
2026-12-08 → 2026-12-22American AirlinesAA3144 / AA2917$327.752026-10-29T01:53:00Z
2026-12-08 → 2026-12-22United AirlinesUA2833 / UA787$350.752026-10-29T01:53:00Z
2026-12-08 → 2026-12-22Delta Air Lines / United AirlinesDL2358 + DL1633 / UA787$350.752026-10-29T01:53:00Z
2026-12-08 → 2026-12-22American AirlinesAA2603 / AA2917$327.752026-10-29T01:53:00Z
2026-12-08 → 2026-12-22United AirlinesUA2665 / UA787$350.752026-10-29T01:53:00Z
2026-12-08 → 2026-12-22United AirlinesUA446 + UA6246 / UA787$338.252026-10-29T01:53:00Z
2026-12-08 → 2026-12-22United AirlinesUA5071 + UA5055 / UA787$338.252026-10-29T01:53:00Z
2026-12-08 → 2026-12-22United AirlinesUA5414 + UA1420 / UA787$338.252026-10-29T01:53:00Z
2026-12-08 → 2026-12-22United AirlinesUA4453 + UA6290 / UA787$338.252026-10-29T01:53:00Z
2026-12-08 → 2026-12-22United AirlinesUA2290 + UA1609 / UA787$338.252026-10-29T01:53:00Z

2026-12-08 → 2026-12-22 · $178.25

  • Frontier Airlines F93135: ORD 2026-12-08 16:08:00 → IAH 2026-12-08 19:17:00; nonstop; 189 minutes. Local airport times.
  • Frontier Airlines F91852: IAH 2026-12-22 07:38:00 → ORD 2026-12-22 10:28:00; nonstop; 170 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $327.75

  • American Airlines AA3144: ORD 2026-12-08 21:05:00 → IAH 2026-12-08 23:57:00; nonstop; 172 minutes. Local airport times.
  • American Airlines AA2917: IAH 2026-12-22 14:43:00 → ORD 2026-12-22 17:29:00; nonstop; 166 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $350.75

  • United Airlines UA2833: ORD 2026-12-08 06:55:00 → IAH 2026-12-08 09:50:00; nonstop; 175 minutes. Local airport times.
  • United Airlines UA787: IAH 2026-12-22 22:05:00 → ORD 2026-12-23 00:44:00; nonstop; 159 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $350.75

  • Delta Air Lines DL2358 / DL1633: ORD 2026-12-08 17:02:00 → IAH 2026-12-08 22:30:00; 1 stop(s) via DTW; 328 minutes. Local airport times.
    • DL2358: ORD 2026-12-08 17:02:00 → DTW 2026-12-08 19:24:00; layover at DTW: 61 minutes.
    • DL1633: DTW 2026-12-08 20:25:00 → IAH 2026-12-08 22:30:00.
  • United Airlines UA787: IAH 2026-12-22 22:05:00 → ORD 2026-12-23 00:44:00; nonstop; 159 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $327.75

  • American Airlines AA2603: ORD 2026-12-08 07:21:00 → IAH 2026-12-08 10:15:00; nonstop; 174 minutes. Local airport times.
  • American Airlines AA2917: IAH 2026-12-22 14:43:00 → ORD 2026-12-22 17:29:00; nonstop; 166 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $350.75

  • United Airlines UA2665: ORD 2026-12-08 21:35:00 → IAH 2026-12-09 00:30:00; nonstop; 175 minutes. Local airport times.
  • United Airlines UA787: IAH 2026-12-22 22:05:00 → ORD 2026-12-23 00:44:00; nonstop; 159 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $338.25

  • United Airlines UA446 / UA6246: ORD 2026-12-08 09:25:00 → IAH 2026-12-08 15:28:00; 1 stop(s) via SAT; 363 minutes. Local airport times.
    • UA446: ORD 2026-12-08 09:25:00 → SAT 2026-12-08 12:42:00; layover at SAT: 97 minutes.
    • UA6246: SAT 2026-12-08 14:19:00 → IAH 2026-12-08 15:28:00.
  • United Airlines UA787: IAH 2026-12-22 22:05:00 → ORD 2026-12-23 00:44:00; nonstop; 159 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $338.25

  • United Airlines UA5071 / UA5055: ORD 2026-12-08 11:50:00 → IAH 2026-12-08 16:25:00; 1 stop(s) via PAH; 275 minutes. Local airport times.
    • UA5071: ORD 2026-12-08 11:50:00 → PAH 2026-12-08 13:17:00; layover at PAH: 61 minutes.
    • UA5055: PAH 2026-12-08 14:18:00 → IAH 2026-12-08 16:25:00.
  • United Airlines UA787: IAH 2026-12-22 22:05:00 → ORD 2026-12-23 00:44:00; nonstop; 159 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $338.25

  • United Airlines UA5414 / UA1420: ORD 2026-12-08 12:50:00 → IAH 2026-12-08 18:53:00; 1 stop(s) via IND; 363 minutes. Local airport times.
    • UA5414: ORD 2026-12-08 12:50:00 → IND 2026-12-08 15:01:00; layover at IND: 129 minutes.
    • UA1420: IND 2026-12-08 17:10:00 → IAH 2026-12-08 18:53:00.
  • United Airlines UA787: IAH 2026-12-22 22:05:00 → ORD 2026-12-23 00:44:00; nonstop; 159 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $338.25

  • United Airlines UA4453 / UA6290: ORD 2026-12-08 15:35:00 → IAH 2026-12-08 21:00:00; 1 stop(s) via XNA; 325 minutes. Local airport times.
    • UA4453: ORD 2026-12-08 15:35:00 → XNA 2026-12-08 17:38:00; layover at XNA: 87 minutes.
    • UA6290: XNA 2026-12-08 19:05:00 → IAH 2026-12-08 21:00:00.
  • United Airlines UA787: IAH 2026-12-22 22:05:00 → ORD 2026-12-23 00:44:00; nonstop; 159 minutes. Local airport times.

2026-12-08 → 2026-12-22 · $338.25

  • United Airlines UA2290 / UA1609: ORD 2026-12-08 12:40:00 → IAH 2026-12-08 18:45:00; 1 stop(s) via DFW; 365 minutes. Local airport times.
    • UA2290: ORD 2026-12-08 12:40:00 → DFW 2026-12-08 15:28:00; layover at DFW: 116 minutes.
    • UA1609: DFW 2026-12-08 17:24:00 → IAH 2026-12-08 18:45:00.
  • United Airlines UA787: IAH 2026-12-22 22:05:00 → ORD 2026-12-23 00:44:00; nonstop; 159 minutes. Local airport times.

More dates for this route