Cheap flights from Dallas to Key West from $110

In general, September is the cheapest month to fly from Dallas to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $628. If you are unable to visit Key West during the month of September, then departing from Dallas during the month January is also very affordable. Most momondo users find prices during this month for around $684.

On average, the least expensive day to fly to Key West from Dallas is on a Sunday. momondo users have found tickets for Sunday departures for as low as $679. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Dallas to Key West for around $744.

According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from Dallas to Key West at noon for as low as $615. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $693. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Dallas/Fort Worth to Key West for the best Dallas - Key West flight prices

You are more likely to see cheaper flights to Key West from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $693 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Dallas for as low as $585 on momondo.

There are 2 cabin classes available to choose from on Dallas to Key West flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of March 2026, there are 1 flights per day flying from Dallas to Key West. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.

As of March 2026, there are 9 flights per week flying from Dallas to Key West. The most common day of the week flights depart is Mon, with 22% of flights taking off on this day.