Cheap flights from Chicago to Houston

Chicago FSS
CHI
William P. Hobby
HOU

Flight deals from Chicago to Houston

Below you can see the best deals on flights Chicago — Houston for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 11 September, from $48.

Top 10 cheap flights from Chicago to Houston

F9
$ 48

Chicago — Houston

14:46—17:55
11 Sep 2026
3 h 9 m
Direct flight
F9
$ 54

Chicago — Houston

08:45—11:56
1 Sep 2026
3 h 11 m
Direct flight
F9
$ 54

Chicago — Houston

14:46—17:55
10 Sep 2026
3 h 9 m
Direct flight
F9
$ 54

Chicago — Houston

07:25—10:30
12 Sep 2026
3 h 5 m
Direct flight
F9
$ 54

Chicago — Houston

07:25—10:30
9 Sep 2026
3 h 5 m
Direct flight
F9
$ 56

Chicago — Houston

08:45—11:56
2 Sep 2026
3 h 11 m
Direct flight
F9
F9
$ 66

Chicago — Houston

13:59—22:14
1 Sep 2026
8 h 15 m
1 stop
F9
F9
$ 66

Chicago — Houston

07:05—22:14
1 Sep 2026
15 h 9 m
1 stop
F9
F9
$ 66

Chicago — Houston

13:59—07:20
1 Sep 2026
17 h 21 m
1 stop
F9
F9
$ 66

Chicago — Houston

07:05—07:20
1 Sep 2026
24 h 15 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Chicago — Houston flight

Looking for cheap flights from Chicago to Houston? Compare fares from different airlines, check the flight schedule and travel time — and book your Chicago — Houston ticket online at the best price.

The route has direct flights — around 343 flights per week, flights are operated by United Airlines, American Airlines, Alaska Airlines, Southwest Airlines and 6 more airlines, a nonstop flight takes about 2 h 44 min, the distance between the cities is around 1,514 km.

Planning your trip? You may find our Houston travel guide, how to get from the airport into town and Houston weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $48Min. price
SeptemberCheapest
MayPeak season
YesDirect flights
1,514 kmDistance
2 h 44 minTravel time
10Airlines
343 / wkFlights

Flight schedule from Chicago to Houston

The table shows direct flights from Chicago to Houston on the selected date. The flight takes approximately 2 h 44 min. Regular flights are operated by United Airlines, American Airlines, Alaska Airlines and Southwest Airlines. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at George Bush Intercontinental Airport and William P. Hobby Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Flight ticket prices by day: Chicago — Houston

Below is a calendar of the lowest flight ticket prices for Chicago — Houston by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $48 in September, and the most expensive are around $155 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Chicago to Houston by month. Tickets are usually cheapest in February (around $90) and priciest in March (about $123) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$94lowMay$108mediumSep$90low
Feb$90lowJun$118highOct$99medium
Mar$123highJul$123highNov$90low
Apr$118highAug$108mediumDec$113high

Some values are estimated based on seasonality.

When to fly

Weather in Houston: it is warmest in August (up to 34 °C on average) and coolest in January (around 18 °C). The driest month is October.

Tickets are usually cheapest in September and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Houston

Dry and wet days · Houston

Wind speed and direction · Houston

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How to get the best deal on a Chicago — Houston ticket

  • Book ahead: fares for Chicago — Houston are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Chicago is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Houston is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Chicago — Houston route are operated by 10 airlines; United Airlines runs the most flights (around 45% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    52x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight ORD → IAH52x/week
      Duration
      2h 52m
      Days
      MTWTFSS
    45.2%Open →
  • American AirlinesAA
    16x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight ORD → IAH16x/week
      Duration
      2h 45m
      Days
      MTWTFSS
    14.3%Open →
  • Alaska AirlinesAS
    13x/week
    WebsiteFleet: 31545M pax/year
    • Direct flight ORD → IAH13x/week
      Duration
      2h 44m
      Days
      MTWTFSS
    11.7%Open →
  • Southwest AirlinesWN
    11x/week
    WebsiteFleet: 817140M pax/year
    • Direct flight MDW → HOU11x/week
      Duration
      2h 51m
      Days
      MTWTFSS
    9.3%Open →
  • Spirit AirlinesNK
    9x/week
    WebsiteFleet: 20544.1M pax/year
    • Direct flight ORD → IAH9x/week
      Duration
      2h 47m
      Days
      MTWTFSS
    8.2%Open →
  • Frontier AirlinesF9
    8x/week
    WebsiteFleet: 15329M pax/year
    • Direct flight ORD → IAH5x/week
      Duration
      3h 11m
      Days
      MTWTFSS
    • Direct flight MDW → IAH3x/week
    6.7%Open →
  • Japan AirlinesJL
    2x/week
    WebsiteFleet: 14540M pax/year
    • Direct flight ORD → IAH2x/week
    1.7%Open →
  • Gulf AirGF
    2x/week
    WebsiteFleet: 426.2M pax/year
    • Direct flight ORD → IAH2x/week
    1.5%Open →
  • British AirwaysBA
    1x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight ORD → IAH1x/week
    1.2%Open →
  • Cathay PacificCX
    1x/week
    WebsiteFleet: 18018M pax/year
    • Direct flight ORD → IAH1x/week
    0.3%Open →

Cities and airports on the Chicago — Houston route

Flights Chicago — Houston depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at George Bush Intercontinental Airport and William P. Hobby Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Chicago

CHI
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Houston

HOU
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Chicago — Houston flight

How long is the flight from Chicago to Houston?

A nonstop Chicago — Houston flight takes about 2 h 44 min — the distance between the cities is around 1,514 km.

How far is it from Chicago to Houston?

The distance from Chicago to Houston is about 1,514 km, which a nonstop flight covers in around 2 h 44 min.

Are there direct flights from Chicago to Houston?

Yes, there are nonstop flights Chicago — Houston — around 343 flights per week.

Which airlines fly from Chicago to Houston?

Airlines operating Chicago — Houston include United Airlines, American Airlines, Alaska Airlines, Southwest Airlines, Spirit Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Chicago — Houston flights use?

Flights from Chicago depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport, and arrive at George Bush Intercontinental Airport, William P. Hobby Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Chicago to Houston?

The price of a Chicago — Houston ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in May. Tickets typically cost between $48 and $155. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Chicago — Houston?

Flights Chicago — Houston are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Chicago to Houston?

To catch a low fare Chicago — Houston, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Chicago

See all
New York CityTorontoDetroitWashington, D.C.AtlantaMinneapolisLos AngelesSeattleBostonDallasOrlandoDenverLondonNashvilleIndianapolisSan DiegoMontrealMilwaukeeSt. LouisCharlottePhiladelphiaColumbusKansas CityMiamiPhoenixLas VegasCincinnatiGrand RapidsDes MoinesRaleighSan FranciscoMadisonDaytonGreen BayTampaPittsburghLouisvilleKnoxvilleRochesterCleveland

Where else you can fly from Houston

See all
New York CityDallasAtlantaLos AngelesWashington, D.C.DenverOrlandoMexico CityMiamiLondonFort LauderdaleCancunOklahoma CityTulsaDetroitPhoenixMonterreyMcAllenSeattleCorpus ChristiWichitaMinneapolisBirminghamLittle RockCharlotteSan AntonioAustinMidlandPanama CityBostonTampaBaton RougeSan SalvadorEl PasoNew OrleansKnoxvilleLubbockSan FranciscoSalt Lake CityMemphis

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