$109 Cheap Delta flights Houston (IAH) to Dayton (DAY)

Use the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines round-trip flights from $217 from IAH to DAY. Affordable one-way fares from $109 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for one-way or round-trip flights to Dayton in January or February. You could find an affordable fare with Delta Air Lines during these off-season months.

Look for cheap Delta Air Lines flights from George Bush Intercontinental Airport (IAH) to James M. Cox Dayton Intl. Airport (DAY) one to three months ahead of your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct journey from IAH to DAY with Delta Air Lines or other airlines, select the “Nonstop” filter when browsing for tickets.

To find the earliest departures from IAH to DAY with Delta Air Lines, sort your results by “Early Morning” and “Morning.” Booking an early flight generally means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Delta Air Lines flights from George Bush Intercontinental Airport (IAH) to Dayton arrive at James M. Cox Dayton Intl. Airport (DAY). This is the main entry point here.

Delta Air Lines makes traveling from IAH to DAY enjoyable with an excellent in-flight experience and a rewarding loyalty program. You also have the chance to earn points with Delta SkyMiles. Don’t forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the ticket type you purchased, a fee may apply if you modify or cancel your booking more than 24 hours after it’s confirmed. To find flexible plane tickets, select our “Changes included” and “No cancel fee” boxes while looking for flights. For more details on changing or canceling your reservation, go to “Trips,” select your flight and click on “Manage Booking.”