IAH → ORD

Find and Compare the Cheapest Ways to Fly from Houston to Chicago

Compare one-way, round-trip and flight + hotel packages from Houston to Chicago, a nonstop flight of about 2h 20m, with fares from around 150. Nonstop fares seen from American and Frontier.

Houston to Chicago flight facts

Houston to Chicago is a domestic route covering about 926 miles, arriving at O'Hare International Airport (ORD) in United States. Peak travel season in Chicago runs June–August (warm, lakefront festivals), while November–April is usually the quietest and best-value time to visit. Nonstop fares we've tracked on this route come from American and Frontier.

Key facts for flights from Houston to Chicago
Departing fromGeorge Bush Intercontinental Airport (IAH)
Arriving atO'Hare International Airport (ORD)
Distance926 miles (1,490 km)
Nonstop flight timeAbout 2h 20m
Nonstop airlines seenAmerican and Frontier
Round-trip fares from$150 (estimate)
Cheapest monthsFebruary, January, September
Peak season in ChicagoJune–August
Cheapest hotel months in ChicagoNovember–April
Best time to book1 to 3 months ahead
Route info updatedOctober 16, 2026

When to visit Chicago

  • Peak season

    June–August

    Warm, lakefront festivals

  • Shoulder season

    May & September–October

    Mild and comfortable

  • Off-peak season

    November–April

    Cold, windy and snowy

Estimated round-trip fares by month, Houston to Chicago

Estimated lowest round-trip fare per month
MonthFares from
January$155
February$150
March$205
April$200
May$190
June$250
July$235
August$205
September$165
October$170
November$185
December$220

Flying from Houston to Chicago

Airlines Flying this Route

Nonstop fares we've tracked on this route come from American and Frontier. Ducoffs.com compares full-service and low-cost airlines flying between Houston and Chicago in a single search, including nonstop and one-stop options, so you can weigh price against total travel time.

Best Time to Book Flights from Houston to Chicago

Fares on this route tend to be lowest in February, January, and September. For the best selection, book about 1 to 3 months before departure and stay flexible by a day or two.

Average Travel Duration

Houston and Chicago are about 926 miles apart. A nonstop flight takes roughly 2h 20m; connecting itineraries usually add 2 to 5 hours.

Houston to Chicago flight questions

How can I find the absolute cheapest flight from Houston to Chicago?

The best way to secure budget rates is by comparing multiple airlines simultaneously and checking flexible dates. Ducoffs.com scans available partner networks to bring you real-time pricing options.

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

Based on typical seasonal demand, February, January, and September tend to offer the lowest fares on this route, with estimated round-trip prices starting around $150. Live prices change daily, so run a search for your exact dates.

How long is the flight from Houston to Chicago?

Houston and Chicago are about 926 miles apart. A nonstop flight takes roughly 2h 20m, while connecting itineraries usually add 2 to 5 hours depending on the layover.

Which airlines fly nonstop from Houston to Chicago?

Recent nonstop fares we've tracked on this route come from American and Frontier. Schedules change by season, so your live search shows every airline flying your dates.

When are hotels cheapest in Chicago?

Hotel rates in Chicago are usually lowest in November–April, when demand is quieter, and highest during peak season (June–August). Booking your flight and hotel together can save up to 30%.

Which airport do I fly into for Chicago?

This route arrives at O'Hare International Airport (ORD). Your search results also show nearby airports when they offer a cheaper or faster option.

How far in advance should I book a flight to Chicago?

For this route, booking about 1 to 3 months before departure usually gives the best balance of price and seat selection. Mid-week departures are often cheaper than weekend flights.

Is it cheaper to bundle flights and hotels together?

Yes. Bundling your travel components can save you up to 30% compared to booking flights and hotels separately, as airlines and properties offer exclusive package discounts.