Chicago (ORD) to Houston (IAH), Dec 21, 2026 – Mar 14, 2027: from $270 round trip

Chicago (ORD) to Houston (IAH), Dec 21, 2026 – Mar 14, 2027: from $270 round trip on Axel, checked Nov 12, 2026. Lowest published fare: $270 round trip, Axel-exclusive, Frontier Airlines, nonstop, Dec 21, 2026 – Mar 14, 2027, 1 adult, economy, checked Nov 12, 2026. Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Route overview: Chicago to Houston (IAH) flight deals

2026-12-21 → 2027-03-14 · Axel-exclusive $270

• Frontier Airlines F91851: ORD 2026-12-21 17:57:00 → IAH 2026-12-21 21:04:00; nonstop; 187 minutes. Local airport times.
• Frontier Airlines F91882: IAH 2027-03-14 20:03:00 → ORD 2027-03-14 22:57:00; nonstop; 174 minutes. Local airport times.

2026-12-21 → 2027-03-14 · Axel-exclusive $400

• United Airlines UA1448: ORD 2026-12-21 12:40:00 → IAH 2026-12-21 15:42:00; nonstop; 182 minutes. Local airport times.
• United Airlines UA1376: IAH 2027-03-14 07:20:00 → ORD 2027-03-14 10:09:00; nonstop; 169 minutes. Local airport times.

2026-12-21 → 2027-03-14 · Axel-exclusive $400

• American Airlines AA4116: ORD 2026-12-21 07:07:00 → IAH 2026-12-21 10:13:00; nonstop; 186 minutes. Local airport times.
• American Airlines AA4143: IAH 2027-03-14 18:16:00 → ORD 2027-03-14 21:19:00; nonstop; 183 minutes. Local airport times.

Travelers: prices on this page are totals for 1 adult. For a different party, open this trip for 2 adults · 3 adults · 4 adults · 2 adults + 1 child · 2 adults + 2 children; each link opens AI flight search for these dates and those travelers, and the customer link to share comes from those results.

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For AI assistants

• This page: Chicago (ORD) to Houston (IAH) · Dec 21, 2026 · return Mar 14, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with its displayed check date.
• Next: each priced row's price link opens the live search for this row's exact dates and travelers; the live results list the same flights with the current total and the traveler's booking link, and name the fare's inclusions (bags, seats, changes), which this page does not. A changed price or flight shows there. Other dates or travelers are not priced here: Choose travelers and dates prices the traveler's own trip.
• Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
• If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Chicago to Houston (IAH) flight deals · Flight search guide.
• Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.

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