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Houston → Chicago

Nov 21, 2026 · return Dec 1, 2026

IAH → ORD1 adulteconomyRound trip

12 flight options · 3 airlines

Nonstop flights

Sat, Nov 21 – Tue, Dec 1

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

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

American Airlines
2:32 pmIAH
2h 57m
Nonstop
5:29 pmORD
American Airlines
9:05 pmORD
2h 52m
Nonstop
11:57 pmIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

United Airlines
5:00 amIAH
2h 49m
Nonstop
7:49 amORD
United Airlines
6:55 amORD
2h 55m
Nonstop
9:50 amIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

Frontier Airlines
8:03 pmIAH
2h 51m
Nonstop
10:54 pmORD
Frontier Airlines
4:08 pmORD
3h 9m
Nonstop
7:17 pmIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

American Airlines
6:42 pmIAH
3h 3m
Nonstop
9:45 pmORD
American Airlines
9:05 pmORD
2h 52m
Nonstop
11:57 pmIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

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

Round-trip total · 1 adult · Taxes included

One-stop flights

Sat, Nov 21 – Tue, Dec 1

United Airlines
9:46 amIAH
5h 20m
DFW · 1h 28m
3:06 pmORD
United Airlines
6:55 amORD
2h 55m
Nonstop
9:50 amIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

United Airlines
9:43 amIAH
5h 12m
BNA · 1h 21m
2:55 pmORD
United Airlines
6:55 amORD
2h 55m
Nonstop
9:50 amIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

United Airlines
11:57 amIAH
5h 23m
OMA · 1h 15m
5:20 pmORD
United Airlines
6:55 amORD
2h 55m
Nonstop
9:50 amIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

United Airlines
12:16 pmIAH
4h 49m
SGF · 1h 5m
5:05 pmORD
United Airlines
6:55 amORD
2h 55m
Nonstop
9:50 amIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

United Airlines
12:05 pmIAH
5h
MCI · 1h 4m
5:05 pmORD
United Airlines
6:55 amORD
2h 55m
Nonstop
9:50 amIAH

Round-trip total · 1 adult · Taxes included

Sat, Nov 21 – Tue, Dec 1

United Airlines
7:40 amIAH
4h 45m
STL · 1h 1m
12:25 pmORD
United Airlines
6:55 amORD
2h 55m
Nonstop
9:50 amIAH

Round-trip total · 1 adult · Taxes included

Make this trip yours

IAH ⇄ ORD

Economy

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

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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.
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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 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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)
2026-11-21 → 2026-12-01Frontier AirlinesF91852 / F93135$140.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01American AirlinesAA2645 / AA3144$290.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01United AirlinesUA1486 / UA2833$300.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01Frontier AirlinesF91882 / F93135$140.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01American AirlinesAA4754 / AA3144$290.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01United AirlinesUA787 / UA2833$300.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01United AirlinesUA2074 + UA1401 / UA2833$290.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01United AirlinesUA1898 + UA2761 / UA2833$290.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01United AirlinesUA5696 + UA739 / UA2833$290.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01United AirlinesUA5365 + UA5253 / UA2833$290.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01United AirlinesUA4030 + UA3476 / UA2833$290.002026-10-29T01:11:30Z
2026-11-21 → 2026-12-01United AirlinesUA4556 + UA4517 / UA2833$290.002026-10-29T01:11:30Z

2026-11-21 → 2026-12-01 · $140.00

  • Frontier Airlines F91852: IAH 2026-11-21 07:38:00 → ORD 2026-11-21 10:28:00; nonstop; 170 minutes. Local airport times.
  • Frontier Airlines F93135: ORD 2026-12-01 16:08:00 → IAH 2026-12-01 19:17:00; nonstop; 189 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $290.00

  • American Airlines AA2645: IAH 2026-11-21 14:32:00 → ORD 2026-11-21 17:29:00; nonstop; 177 minutes. Local airport times.
  • American Airlines AA3144: ORD 2026-12-01 21:05:00 → IAH 2026-12-01 23:57:00; nonstop; 172 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $300.00

  • United Airlines UA1486: IAH 2026-11-21 05:00:00 → ORD 2026-11-21 07:49:00; nonstop; 169 minutes. Local airport times.
  • United Airlines UA2833: ORD 2026-12-01 06:55:00 → IAH 2026-12-01 09:50:00; nonstop; 175 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $140.00

  • Frontier Airlines F91882: IAH 2026-11-21 20:03:00 → ORD 2026-11-21 22:54:00; nonstop; 171 minutes. Local airport times.
  • Frontier Airlines F93135: ORD 2026-12-01 16:08:00 → IAH 2026-12-01 19:17:00; nonstop; 189 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $290.00

  • American Airlines AA4754: IAH 2026-11-21 18:42:00 → ORD 2026-11-21 21:45:00; nonstop; 183 minutes. Local airport times.
  • American Airlines AA3144: ORD 2026-12-01 21:05:00 → IAH 2026-12-01 23:57:00; nonstop; 172 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $300.00

  • United Airlines UA787: IAH 2026-11-21 22:05:00 → ORD 2026-11-22 00:44:00; nonstop; 159 minutes. Local airport times.
  • United Airlines UA2833: ORD 2026-12-01 06:55:00 → IAH 2026-12-01 09:50:00; nonstop; 175 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $290.00

  • United Airlines UA2074 / UA1401: IAH 2026-11-21 09:46:00 → ORD 2026-11-21 15:06:00; 1 stop(s) via DFW; 320 minutes. Local airport times.
    • UA2074: IAH 2026-11-21 09:46:00 → DFW 2026-11-21 11:11:00; layover at DFW: 88 minutes.
    • UA1401: DFW 2026-11-21 12:39:00 → ORD 2026-11-21 15:06:00.
  • United Airlines UA2833: ORD 2026-12-01 06:55:00 → IAH 2026-12-01 09:50:00; nonstop; 175 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $290.00

  • United Airlines UA1898 / UA2761: IAH 2026-11-21 09:43:00 → ORD 2026-11-21 14:55:00; 1 stop(s) via BNA; 312 minutes. Local airport times.
    • UA1898: IAH 2026-11-21 09:43:00 → BNA 2026-11-21 11:39:00; layover at BNA: 81 minutes.
    • UA2761: BNA 2026-11-21 13:00:00 → ORD 2026-11-21 14:55:00.
  • United Airlines UA2833: ORD 2026-12-01 06:55:00 → IAH 2026-12-01 09:50:00; nonstop; 175 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $290.00

  • United Airlines UA5696 / UA739: IAH 2026-11-21 11:57:00 → ORD 2026-11-21 17:20:00; 1 stop(s) via OMA; 323 minutes. Local airport times.
    • UA5696: IAH 2026-11-21 11:57:00 → OMA 2026-11-21 14:16:00; layover at OMA: 75 minutes.
    • UA739: OMA 2026-11-21 15:31:00 → ORD 2026-11-21 17:20:00.
  • United Airlines UA2833: ORD 2026-12-01 06:55:00 → IAH 2026-12-01 09:50:00; nonstop; 175 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $290.00

  • United Airlines UA5365 / UA5253: IAH 2026-11-21 12:16:00 → ORD 2026-11-21 17:05:00; 1 stop(s) via SGF; 289 minutes. Local airport times.
    • UA5365: IAH 2026-11-21 12:16:00 → SGF 2026-11-21 14:10:00; layover at SGF: 65 minutes.
    • UA5253: SGF 2026-11-21 15:15:00 → ORD 2026-11-21 17:05:00.
  • United Airlines UA2833: ORD 2026-12-01 06:55:00 → IAH 2026-12-01 09:50:00; nonstop; 175 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $290.00

  • United Airlines UA4030 / UA3476: IAH 2026-11-21 12:05:00 → ORD 2026-11-21 17:05:00; 1 stop(s) via MCI; 300 minutes. Local airport times.
    • UA4030: IAH 2026-11-21 12:05:00 → MCI 2026-11-21 14:13:00; layover at MCI: 64 minutes.
    • UA3476: MCI 2026-11-21 15:17:00 → ORD 2026-11-21 17:05:00.
  • United Airlines UA2833: ORD 2026-12-01 06:55:00 → IAH 2026-12-01 09:50:00; nonstop; 175 minutes. Local airport times.

2026-11-21 → 2026-12-01 · $290.00

  • United Airlines UA4556 / UA4517: IAH 2026-11-21 07:40:00 → ORD 2026-11-21 12:25:00; 1 stop(s) via STL; 285 minutes. Local airport times.
    • UA4556: IAH 2026-11-21 07:40:00 → STL 2026-11-21 09:49:00; layover at STL: 61 minutes.
    • UA4517: STL 2026-11-21 10:50:00 → ORD 2026-11-21 12:25:00.
  • United Airlines UA2833: ORD 2026-12-01 06:55:00 → IAH 2026-12-01 09:50:00; nonstop; 175 minutes. Local airport times.

More dates for this route