The cheapest times to fly from IAH to DTW are

  • January 1st to February 25th
  • July 30th to November 18th
  • December 3rd to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAH to DTW is early December. Prices can be as high as $484 for Sunday flights during mid to late November, or as low as $157 for Tuesday flights around early December.


When to Fly to Detroit

Flying from Houston, TX (IAH) to Detroit, MI (DTW) will usually cost between $164 to $385 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $174. Due to high demand the most expensive time to fly is mid to late November, with an average price of $353. Planning your trip to low-cost times can easily save you $179 on economy flights and even more on first-class flights. Generally, any price below $249 can be considered a good price for a round-trip IAH to DTW flight.

See below for a graph of average weekly prices for the IAH to DTW route. All prices are for round-trip tickets in USD.

IAH to DTW Flight Prices

Compared to other flights, the IAH to DTW flight is much cheaper than the average and costs much less than the average flight leaving from Houston. The average price per mile (for a direct flight) is $0.14, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $81 (26%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $225. Return trip prices are from the DTW to IAH flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAH to DTW can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 55 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from IAH to DTW? We’ve got answers.

Which airlines fly this route?

You can find 8 major airlines flying this route most often: American, Delta, Frontier, Iberia, JetBlue, Qantas, Spirit, United, and potentially more during busy seasons.

How far away is it from Detroit Metro Wayne County Airport to George Bush Intercontinental/Houston Airport?

The distance between the two airports is roughly 1075 miles or 1730 kilometers.

How long does it take to fly from IAH to DTW?

The real-world flight time for a nonstop IAH to DTW flight is about 2 hour 55 minutes.

How many flights go between Houston, TX and Detroit, MI?

It depends on the day of the week and the date, but a typical day might have around 52 available flights from IAH to DTW.


Airport Location Info


Departing Airport

Origination codeIAH
Origination airport nameGeorge Bush Intercontinental/Houston Airport
CityHouston, TX
Countrythe United States

Return Airport

Destination codeDTW
Destination airport nameDetroit Metro Wayne County Airport
CityDetroit, MI
Countrythe United States


Late and Early Flight Data

Flights from IAH to DTW tend to depart late far less frequently than the average flight. According to our recently updated data, 22% of flights departed 5 or more minutes late, and 17% of flights left 5 or more minutes early. On average you can expect to leave DTW heading for IAH about 10 minutes late. This does significantly impact arrival time, as the average landing time in Detroit, MI is about 5 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • SkyWest: 11 minutes late
  • Republic: 4 minutes early
  • Endeavor: 5 minutes early
  • Mesa: 16 minutes late
  • Spirit: 11 minutes late
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.