The cheapest times to fly from DAL to IAH are

  • January 1st to March 4th
  • August 6th 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 DAL to IAH is mid to late September. Prices can be as high as $1541 for Sunday flights during late July, or as low as $381 for Tuesday flights around mid to late September.


When to Fly to Houston

Flying from Dallas, TX (DAL) to Houston, TX (IAH) will usually cost between $430 to $905 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $488. Due to high demand the most expensive time to fly is late July, with an average price of $1087. Planning your trip to low-cost times can easily save you $599 on economy flights and even more on first-class flights. Generally, any price below $687 can be considered a good price for a round-trip DAL to IAH flight.

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

DAL to IAH Flight Prices

Compared to other flights, the DAL to IAH flight is cheaper than the average and costs less than the average flight leaving from Dallas. The average price per mile (for a direct flight) is $1.97, which is above 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 $167 (21%) 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 $619. Return trip prices are from the IAH to DAL 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 DAL to IAH can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 1 hour 22 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from DAL to IAH while comparing.

Destination alternative #1: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 140 miles (225 km) away from IAH
  • Usually 26.42% less expensive than IAH
  • Nonstop flights available

See DAL to AUS flights


Flight Hacking DAL to IAH

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from DAL to IAH — but Champion Traveler does!

Hack #1: Atlanta, GA (DAL > ATL > IAH)

  • Price for both tickets: $459
  • Average savings: $229 (33.26%)

See DAL to ATL flights

Hack #2: Los Angeles, CA (DAL > LAX > IAH)

  • Price for both tickets: $499
  • Average savings: $188 (27.37%)

See DAL to LAX flights

Hack #3: Cincinnati, OH (DAL > CVG > IAH)

  • Price for both tickets: $504
  • Average savings: $184 (26.71%)

See DAL to CVG flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 17 major airlines flying this route most often: Air Canada, Air France, Air Serbia, Alaska, American, Austrian, British Airways, Brussels Airlines, Delta, Icelandair, KLM, LOT, Lufthansa, SAS, SWISS, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from George Bush Intercontinental/Houston Airport to Dallas Love Field Airport?

The distance between the two airports is roughly 217 miles or 349 kilometers.

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

The real-world flight time for a nonstop DAL to IAH flight is about 1 hour 22 minutes.

How many flights go between Dallas, TX and Houston, TX?

It depends on the day of the week and the date, but a typical day might have around 51 available flights from DAL to IAH.


Airport Location Info


Departing Airport

Origination code DAL
Origination airport name Dallas Love Field Airport
City Dallas, TX
Country the United States
Latitude 32.8
Longitude -96.9

Return Airport

Destination code IAH
Destination airport name George Bush Intercontinental/Houston Airport
City Houston, TX
Country the United States
Latitude 30
Longitude -95.3


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.