$99 Cheap Delta flights Houston (IAH) to Miami (MIA)

View $99 flight on Fri, Sep 5, 2025Opens in a new window

$99 Cheap Delta flights Houston (IAH) to Miami (MIA)

Prices were available within the past 7 days and start at $99 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Houston (IAH) to Miami (MIA)
Origin airport
George Bush Intercontinental
Destination airport
Miami Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Popular airline
Spirit Airlines
Distance
963 mi
Average flight time
3 hours 39 mins

Frequently asked questions

How much is a Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Miami Intl. Airport (MIA)?
Scoring cheap one-way Delta Air Lines flights from IAH to MIA from $99 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares for your next getaway.**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.
What is the cheapest month to fly from IAH to MIA with Delta Air Lines?
September is one of the cheapest months to travel to Miami with Delta Air Lines. You could also find fantastic deals on one-way and round-trip tickets in October.
What is the cheapest time to book flights from George Bush Intercontinental Airport (IAH) to Miami Intl. Airport (MIA) with Delta Air Lines?
To find cheap Delta Air Lines fares from George Bush Intercontinental Airport (IAH) to Miami Intl. Airport (MIA), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect what you pay. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.
Does Delta Air Lines fly nonstop from George Bush Intercontinental Airport (IAH) to Miami Intl. Airport (MIA)?
Click on our "Nonstop" filter when browsing for direct Delta Air Lines flights from IAH to MIA. You'll also be able to compare other carriers servicing the same nonstop trip.
What is the earliest Delta Air Lines flight from IAH to MIA?
Sort your results by "Morning" and "Early Morning" to browse the earliest flights from IAH to MIA. Leaving early means you're 20% less likely to experience cancellations.**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.
What airports does Delta Air Lines fly into in Miami?
Catch a Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Miami, and you'll probably arrive at Miami Intl. Airport (MIA). This is the airline's main hub here.
Why fly with Delta Air Lines from IAH to MIA?
Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many travelers heading from IAH to MIA. What's more, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Miami Intl. Airport (MIA)?
Changes are usually free within 24 hours of booking, but your airline may charge a fee after that. For further details about modifying your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your plans without additional charges, tick the "No cancel fee" or "Changes included" filter when planning your next adventure.

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*Available to One Key members.