Cheap flights from Chicago to Houston

One-way fares from $91 · CHI → HOU · prices found by travellers in the last 48 hours

Compare all dates Houston → Chicago
Cheapest fare
$91

Frontier Airlines · Mon, Nov 23

Cheapest month
November

from $91

Direct flights
Yes

Frontier Airlines

Flight time
2h 57m

1,520 km

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Cheapest month to fly from Chicago to Houston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $91

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart16:00 Mon, Nov 23ORD → IAH 6h 09m · 1 stop
$91one way, per person
View deal
Frontier Airlines
Depart07:55 Fri, Nov 13ORD → IAH 6h 07m · 1 stop
$112one way, per person
View deal
Frontier Airlines
Depart06:08 Wed, Nov 18MDW → IAH 4h 48m · 1 stop
$118one way, per person
View deal
Frontier Airlines
Depart07:55 Sat, Nov 7ORD → IAH 6h 07m · 1 stop
$136one way, per person
View deal
Frontier Airlines
Depart09:51 Tue, Nov 10ORD → IAH 5h 46m · 1 stop
$139one way, per person
View deal
Frontier Airlines
Depart05:25 Sun, Nov 22ORD → IAH 2h 57m · Direct
$141one way, per person
View deal
Frontier Airlines
Depart13:04 Thu, Nov 5ORD → IAH 3h 07m · Direct
$146one way, per person
View deal
Frontier Airlines
Depart13:04 Mon, Nov 9ORD → IAH 3h 07m · Direct
$152one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Houston

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in HoustonCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in HoustonTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in HoustonPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in HoustonCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Chicago to Houston

Chicago (CHI) and Houston (HOU) are about 1,520 km apart. Direct flights take around 2h 57m, and recent direct fares were with Frontier Airlines. Over the next few months, one-way fares start from $91, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Chicago to Houston?

The cheapest one-way fare we've seen recently is $91 with Frontier Airlines, departing Monday, November 23, 2026.

What is the cheapest month to fly from Chicago to Houston?

November 2026 currently has the lowest fares, from $91 one way.

Are there direct flights from Chicago to Houston?

Yes. Recent direct fares were with Frontier Airlines.

How long is the flight from Chicago to Houston?

A direct flight takes about 2h 57m. Chicago and Houston are around 1,520 km apart.

Which airlines fly from Chicago to Houston?

Recent fares on this route were with Frontier Airlines and Allegiant Air.

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