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Houston → Chicago

Dec 21, 2026 · return Dec 24, 2026

IAH → ORD1 adulteconomyRound trip

12 flight options · 3 airlines

Nonstop flights

Mon, Dec 21 – Thu, Dec 24

Frontier Airlines
8:03 pmIAH
2h 51m
Nonstop
10:54 pmORD
Frontier Airlines
3:34 pmORD
3h 6m
Nonstop
6:40 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
9:29 amIAH
2h 46m
Nonstop
12:15 pmORD
American Airlines
9:33 pmORD
2h 53m
Nonstop
12:26 am+1IAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
6:20 amIAH
2h 48m
Nonstop
9:08 amORD
United Airlines
7:00 amORD
3h
Nonstop
10:00 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

Frontier Airlines
7:38 amIAH
2h 50m
Nonstop
10:28 amORD
Frontier Airlines
3:34 pmORD
3h 6m
Nonstop
6:40 pmIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

American Airlines
2:43 pmIAH
2h 46m
Nonstop
5:29 pmORD
American Airlines
9:33 pmORD
2h 53m
Nonstop
12:26 am+1IAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
8:40 pmIAH
2h 44m
Nonstop
11:24 pmORD
United Airlines
7:00 amORD
3h
Nonstop
10:00 amIAH

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Thu, Dec 24

United Airlines
9:46 amIAH
5h 20m
DFW · 1h 28m
3:06 pmORD
United Airlines
7:00 amORD
3h
Nonstop
10:00 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
12:16 pmIAH
4h 49m
SGF · 1h 5m
5:05 pmORD
United Airlines
7:00 amORD
3h
Nonstop
10:00 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
11:57 amIAH
5h 23m
OMA · 1h 15m
5:20 pmORD
United Airlines
7:00 amORD
3h
Nonstop
10:00 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
7:40 amIAH
4h 45m
STL · 1h 1m
12:25 pmORD
United Airlines
7:00 amORD
3h
Nonstop
10:00 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
12:05 pmIAH
5h
MCI · 1h 4m
5:05 pmORD
United Airlines
7:00 amORD
3h
Nonstop
10:00 amIAH

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Thu, Dec 24

United Airlines
9:43 amIAH
5h 12m
BNA · 1h 21m
2:55 pmORD
United Airlines
7:00 amORD
3h
Nonstop
10:00 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.
  • 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
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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)
2026-12-21 → 2026-12-24Frontier AirlinesF91882 / F93135$182.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24American AirlinesAA3237 / AA3144$377.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24United AirlinesUA2616 / UA2833$390.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24Frontier AirlinesF91852 / F93135$182.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24American AirlinesAA2917 / AA3144$377.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24United AirlinesUA2456 / UA2833$390.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24United AirlinesUA2074 + UA1401 / UA2833$377.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24United AirlinesUA5365 + UA5253 / UA2833$377.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24United AirlinesUA5696 + UA739 / UA2833$377.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24United AirlinesUA4556 + UA4517 / UA2833$377.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24United AirlinesUA4030 + UA3476 / UA2833$377.002026-10-29T01:11:30Z
2026-12-21 → 2026-12-24United AirlinesUA1898 + UA2761 / UA2833$377.002026-10-29T01:11:30Z

2026-12-21 → 2026-12-24 · $182.00

  • Frontier Airlines F91882: IAH 2026-12-21 20:03:00 → ORD 2026-12-21 22:54:00; nonstop; 171 minutes. Local airport times.
  • Frontier Airlines F93135: ORD 2026-12-24 15:34:00 → IAH 2026-12-24 18:40:00; nonstop; 186 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $377.00

  • American Airlines AA3237: IAH 2026-12-21 09:29:00 → ORD 2026-12-21 12:15:00; nonstop; 166 minutes. Local airport times.
  • American Airlines AA3144: ORD 2026-12-24 21:33:00 → IAH 2026-12-25 00:26:00; nonstop; 173 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $390.00

  • United Airlines UA2616: IAH 2026-12-21 06:20:00 → ORD 2026-12-21 09:08:00; nonstop; 168 minutes. Local airport times.
  • United Airlines UA2833: ORD 2026-12-24 07:00:00 → IAH 2026-12-24 10:00:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $182.00

  • Frontier Airlines F91852: IAH 2026-12-21 07:38:00 → ORD 2026-12-21 10:28:00; nonstop; 170 minutes. Local airport times.
  • Frontier Airlines F93135: ORD 2026-12-24 15:34:00 → IAH 2026-12-24 18:40:00; nonstop; 186 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $377.00

  • American Airlines AA2917: IAH 2026-12-21 14:43:00 → ORD 2026-12-21 17:29:00; nonstop; 166 minutes. Local airport times.
  • American Airlines AA3144: ORD 2026-12-24 21:33:00 → IAH 2026-12-25 00:26:00; nonstop; 173 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $390.00

  • United Airlines UA2456: IAH 2026-12-21 20:40:00 → ORD 2026-12-21 23:24:00; nonstop; 164 minutes. Local airport times.
  • United Airlines UA2833: ORD 2026-12-24 07:00:00 → IAH 2026-12-24 10:00:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $377.00

  • United Airlines UA2074 / UA1401: IAH 2026-12-21 09:46:00 → ORD 2026-12-21 15:06:00; 1 stop(s) via DFW; 320 minutes. Local airport times.
    • UA2074: IAH 2026-12-21 09:46:00 → DFW 2026-12-21 11:11:00; layover at DFW: 88 minutes.
    • UA1401: DFW 2026-12-21 12:39:00 → ORD 2026-12-21 15:06:00.
  • United Airlines UA2833: ORD 2026-12-24 07:00:00 → IAH 2026-12-24 10:00:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $377.00

  • United Airlines UA5365 / UA5253: IAH 2026-12-21 12:16:00 → ORD 2026-12-21 17:05:00; 1 stop(s) via SGF; 289 minutes. Local airport times.
    • UA5365: IAH 2026-12-21 12:16:00 → SGF 2026-12-21 14:10:00; layover at SGF: 65 minutes.
    • UA5253: SGF 2026-12-21 15:15:00 → ORD 2026-12-21 17:05:00.
  • United Airlines UA2833: ORD 2026-12-24 07:00:00 → IAH 2026-12-24 10:00:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $377.00

  • United Airlines UA5696 / UA739: IAH 2026-12-21 11:57:00 → ORD 2026-12-21 17:20:00; 1 stop(s) via OMA; 323 minutes. Local airport times.
    • UA5696: IAH 2026-12-21 11:57:00 → OMA 2026-12-21 14:16:00; layover at OMA: 75 minutes.
    • UA739: OMA 2026-12-21 15:31:00 → ORD 2026-12-21 17:20:00.
  • United Airlines UA2833: ORD 2026-12-24 07:00:00 → IAH 2026-12-24 10:00:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $377.00

  • United Airlines UA4556 / UA4517: IAH 2026-12-21 07:40:00 → ORD 2026-12-21 12:25:00; 1 stop(s) via STL; 285 minutes. Local airport times.
    • UA4556: IAH 2026-12-21 07:40:00 → STL 2026-12-21 09:49:00; layover at STL: 61 minutes.
    • UA4517: STL 2026-12-21 10:50:00 → ORD 2026-12-21 12:25:00.
  • United Airlines UA2833: ORD 2026-12-24 07:00:00 → IAH 2026-12-24 10:00:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $377.00

  • United Airlines UA4030 / UA3476: IAH 2026-12-21 12:05:00 → ORD 2026-12-21 17:05:00; 1 stop(s) via MCI; 300 minutes. Local airport times.
    • UA4030: IAH 2026-12-21 12:05:00 → MCI 2026-12-21 14:13:00; layover at MCI: 64 minutes.
    • UA3476: MCI 2026-12-21 15:17:00 → ORD 2026-12-21 17:05:00.
  • United Airlines UA2833: ORD 2026-12-24 07:00:00 → IAH 2026-12-24 10:00:00; nonstop; 180 minutes. Local airport times.

2026-12-21 → 2026-12-24 · $377.00

  • United Airlines UA1898 / UA2761: IAH 2026-12-21 09:43:00 → ORD 2026-12-21 14:55:00; 1 stop(s) via BNA; 312 minutes. Local airport times.
    • UA1898: IAH 2026-12-21 09:43:00 → BNA 2026-12-21 11:39:00; layover at BNA: 81 minutes.
    • UA2761: BNA 2026-12-21 13:00:00 → ORD 2026-12-21 14:55:00.
  • United Airlines UA2833: ORD 2026-12-24 07:00:00 → IAH 2026-12-24 10:00:00; nonstop; 180 minutes. Local airport times.

More dates for this route