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Key Largo

$48+ Cheap flights from Dallas/Fort Worth (DFW) to Key Largo, FL

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — MIA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas/Fort Worth to Key Largo are usually found in September or October, booked 16 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to Key Largo

Keep the following information in mind while searching for Dallas/Fort Worth to Key Largo flight deals. Data was last updated July 29, 2025.

Round-trip from

$94
(CheapOair)

One-way from

$48
(Cheapflightsfares)

Popular in

June

Cheapest in

September

Average price

$247
From Dallas/Fort Worth to Key Largo
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One-way flight from Dallas/Fort Worth to Key Largo
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Highest demand for flights based on searches. 16% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Dallas/Fort Worth to Key Largo

Cheapest flights from Dallas/Fort Worth to Key Largo
Explore the most affordable flight options available from Dallas/Fort Worth to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This CheapOair deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:05 amDFW - MIA
Nonstop2h 54mSpirit Airlines
Sat 10/119:07 pmMIA - DFW
Nonstop3h 22mSpirit Airlines
Deal found 7/28$94
This CheapOair deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:24 pmDFW - MIA
Nonstop3h 03mFrontier
Fri 9/197:39 pmMIA - DFW
Nonstop3h 32mFrontier
Deal found 7/28$95
This CheapOair deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 amDFW - MIA
Nonstop3h 00mMultiple Airlines
Fri 9/127:39 pmMIA - DFW
Nonstop3h 32mMultiple Airlines
Deal found 7/29$110
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/304:40 pmDFW - MIA
Nonstop2h 55mAmerican Airlines
Tue 9/26:20 amMIA - DFW
Nonstop3h 02mAmerican Airlines
Deal found 7/28$131

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth to Key Largo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Key Largo that are best for you.

Fly from

Dallas/Fort Worth

Fly to

Key Largo

Route

Depart

Return

Price

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Thu 10/2

5:05 am-8:59 am

Nonstop2h 54m

Miami

Sat 10/11

9:07 pm-11:29 pm

Nonstop3h 22m

$94

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Sun 9/14

7:24 pm-11:27 pm

Nonstop3h 03m

Miami

Fri 9/19

7:39 pm-10:11 pm

Nonstop3h 32m

$95

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Wed 9/3

6:00 am-10:00 am

Nonstop3h 00m

Miami

Fri 9/12

7:39 pm-10:11 pm

Nonstop3h 32m

$110

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Sat 8/30

4:40 pm-8:35 pm

Nonstop2h 55m

Miami

Tue 9/2

6:20 am-8:22 am

Nonstop3h 02m

$131

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Fri 9/5

5:05 am-8:59 am

Nonstop2h 54m

$48

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Fri 8/22

1:49 pm-5:47 pm

Nonstop2h 58m

$52

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Wed 10/8

6:15 am-9:59 am

Nonstop2h 44m

$66

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Tue 8/5

6:25 am-5:15 pm

1 stop9h 50m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Dallas/Fort Worth to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Dallas/Fort Worth with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dallas/Fort Worth Airport to Key Largo

How far ahead should I book a flight from Dallas/Fort Worth Airport to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Key Largo. Price data was last updated on July 25, 2025.

Booking 16 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Key Largo (average of $232). Flying from Dallas/Fort Worth Airport to Key Largo in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DFW to KE9?

Find hourly flight availability from Dallas/Fort Worth to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dallas/Fort Worth Airport to Key Largo as you normally would.

What is the cheapest day to fly from Dallas/Fort Worth Airport to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Key Largo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Key Largo flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas/Fort Worth Airport to Key Largo

Explore weekly flight availability from Dallas/Fort Worth to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2025.

The most flights from DFW to KE9 are scheduled on a Monday (42 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (36 on average).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated July 29, 2025.
Read through reviews of airlines operating flights from Dallas/Fort Worth Airport to Key Largo, such as American Airlines, Spirit Airlines, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
Spirit Airlines
6.3
Okay
8,040 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break
Frontier
5.9
Fair
3,238 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Crew

8.0

Food

6.5

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Andrew,May 2025

LAX - MIA

2 hour delay. Discovered an engine problem late, we boarded the plane and they asked us to come off. To add insult to injury nothing was given to passengers to make amends. No free drink. No extra food or snacks. No free WiFi. Gimme a break

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Key Largo one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $48. Users have also found prices from $52 and $66 on Frontier and American Airlines, respectively.

  • What are the most reliable airlines from Dallas/Fort Worth Airport to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Dallas/Fort Worth Airport to Key Largo on time: Spirit Airlines (88%), Japan Airlines (80%), GOL (79%).

  • What are the cheapest flights from Dallas/Fort Worth Airport to Key Largo?

    The cheapest flight price from Dallas/Fort Worth Airport to Key Largo is $35. On average you can expect to pay $3,105. The most popular route, (Dallas/Fort Worth - Miami), can usually be booked for $85.

  • Can I find deals for flights from Dallas/Fort Worth to Key Largo that include hotel bookings?

    Yes. In addition to deals on Dallas/Fort Worth to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas/Fort Worth to Key Largo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas/Fort Worth to Key Largo.

  • Can I find deals for business class flights from Dallas/Fort Worth to Key Largo?

    Yes. Cheapflights offers flight deals from Dallas/Fort Worth to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dallas/Fort Worth Airport to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Key Largo (average of $232). Flying from Dallas/Fort Worth Airport to Key Largo in March is currently the most expensive (average of $289). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 6 airlines flying from Dallas/Fort Worth to Key Largo

Discover the top 6 airlines that operate flights from Dallas/Fort Worth to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$49Average$189FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$84Average$186FlexibilityNo cancel feeOn-time65%
DeltaCheapest$110Average$449FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$145Average$384FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$158Average$474FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$315Average$488FlexibilityNo cancel feeOn-time69%

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