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Key Largo

$49+ Cheap flights from Dallas 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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — MIA
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas to Key Largo are usually found in September or February, booked 66 days in advance, depart on a Thursday or Friday and return on a Friday

Find flight deals from Dallas to Key Largo

Cheapest flights from Dallas to Key Largo
Explore the most affordable flight options available from Dallas to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Frontier deal was found by Cheapflights users on 11/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:51 pmDFW - MIA
Nonstop2h 50mFrontier
Tue 12/93:00 pmMIA - DFW
1 stop8h 54mFrontier
Deal found 11/11$98
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:14 pmDFW - MIA
Nonstop3h 04mMultiple Airlines
Sat 12/1310:19 amMIA - DFW
Nonstop3h 27mMultiple Airlines
Deal found 11/12$99
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:34 amDFW - MIA
Nonstop2h 50mFrontier
Fri 12/52:50 pmMIA - DFW
Nonstop3h 27mFrontier
Deal found 11/12$100
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:25 pmDFW - MIA
Nonstop2h 51mMultiple Airlines
Wed 12/35:13 pmMIA - DFW
Nonstop3h 24mMultiple Airlines
Deal found 11/11$101
This CheapOair deal was found by Cheapflights users on 11/12. 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.
Tue 11/258:51 pmDFW - MIA
Nonstop2h 50mFrontier
Thu 11/2711:55 amMIA - DFW
1 stop12h 07mFrontier
Deal found 11/12$102
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:28 amDFW - MIA
Nonstop2h 45mSpirit Airlines
Sat 12/1310:19 amMIA - DFW
Nonstop3h 27mSpirit Airlines
Deal found 11/11$103
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:28 amDFW - MIA
Nonstop2h 45mMultiple Airlines
Wed 12/176:00 amMIA - DFW
1 stop10h 06mMultiple Airlines
Deal found 11/12$104
This Frontier deal was found by Cheapflights users on 11/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:05 amDFW - MIA
1 stop5h 37mFrontier
Wed 12/33:13 pmMIA - DFW
1 stop8h 16mFrontier
Deal found 11/12$105
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:59 pmDFW - MIA
Nonstop3h 00mFrontier
Tue 12/93:00 pmMIA - DFW
1 stop8h 54mFrontier
Deal found 11/12$106
This CheapOair deal was found by Cheapflights users on 11/12. 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 12/76:59 pmDFW - MIA
Nonstop3h 00mFrontier
Sat 12/138:09 pmMIA - DFW
1 stop15h 38mFrontier
Deal found 11/12$107
This Super.com deal was found by Cheapflights users on 11/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:45 amDFW - MIA
1 stop5h 43mFrontier
Tue 12/93:00 pmMIA - DFW
1 stop8h 54mFrontier
Deal found 11/12$108
This Super.com deal was found by Cheapflights users on 11/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/117:14 pmDFW - MIA
Nonstop3h 04mFrontier
Mon 12/153:36 pmMIA - DFW
Nonstop3h 33mFrontier
Deal found 11/12$109

Cheap flight deals from Dallas to Key Largo

Keep the following information in mind while searching for Dallas to Key Largo flight deals. Data was last updated November 13, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$98
(Frontier)

One-way from

$49
(Super.com)

Popular in

June

Cheapest in

September

Average price

$228
Provider with most accurate pricing for Dallas-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Dallas-Miami flights.
Search Deals
From Dallas to Key Largo
Search Deals
One-way flight from Dallas to Key Largo
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas 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 November 13, 2025.
Use the filters below to find and compare flights from Dallas to Key Largo that are best for you.

Fly from

Dallas

Fly to

Key Largo

Route

Depart

Return

Price

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Mon 12/15

4:05 pm-7:50 pm

Nonstop2h 45m

Miami

Wed 12/17

9:30 am-11:40 am

Nonstop3h 10m

$159

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Sat 1/17

6:25 am-4:45 pm

1 stop9h 20m

Miami

Sat 2/28

4:25 pm-10:35 pm

1 stop7h 10m

$182

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Sat 12/6

6:15 am-9:50 am

Nonstop2h 35m

Miami

Fri 12/12

7:10 am-9:20 am

Nonstop3h 10m

$200

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Mon 12/8

4:05 pm-7:50 pm

Nonstop2h 45m

Miami

Sat 12/13

6:05 am-8:15 am

Nonstop3h 10m

$210

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Mon 12/8

11:45 am-8:45 pm

2 stops8h 00m

Miami

Fri 12/12

7:10 am-9:20 am

Nonstop3h 10m

$215

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Tue 12/9

8:15 am-4:00 pm

1 stop6h 45m

Miami

Sat 12/13

6:20 am-2:30 pm

2 stops9h 10m

$216

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Wed 12/3

6:50 am-12:50 pm

1 stop5h 00m

Miami

Sat 12/6

6:05 am-8:15 am

Nonstop3h 10m

$224

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Wed 1/21

6:00 am-4:10 pm

1 stop9h 10m

Miami

Sun 1/25

7:00 am-9:20 am

Nonstop3h 20m

$224

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Thu 1/22

1:05 pm-8:05 pm

1 stop6h 00m

Miami

Sun 1/25

7:00 am-9:20 am

Nonstop3h 20m

$224

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Wed 1/7

6:00 am-4:10 pm

1 stop9h 10m

Miami

Sun 1/11

7:00 am-9:20 am

Nonstop3h 20m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 44 results
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Best time to book a flight from Dallas to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Dallas 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 to Key Largo

How far ahead should I book a flight from Dallas to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Dallas to Key Largo. Price data was last updated on November 7, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas 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 to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Dallas to Key Largo (average of $56). Flying from Dallas to Key Largo in July is currently the most expensive (average of $121). 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 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 November 13, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 41% on flights from Dallas to Key Largo by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Dallas to Key Largo?

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

Travelers seeking maximum savings on their Dallas to Key Largo flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas to Key Largo

Explore weekly flight availability from Dallas 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 November 13, 2025.

The most flights from A78 to KE9 are scheduled on a Thursday (44 on average). You will have fewer flight options on Monday, 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 November 13, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines from Dallas to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
8,139 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.8
Fair
3,109 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

  • How long is the flight from Dallas to Key Largo?

    There are many flights that can get you from Dallas to Key Largo in 2h 45m. Fly via Southwest or Delta to get the fastest option. The distance from Dallas to Key Largo is about 1108 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most reliable airlines from Dallas to Key Largo?

    Consider Spirit Airlines (95%), GOL (87%) or Japan Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Dallas to Key Largo.

  • What are the cheapest flights from Dallas to Key Largo?

    Looking for the cheapest flight from Dallas to Key Largo? While on average our users pay $622, our data indicates the cheapest price to be $44. The most popular route (Dallas/Fort Worth - Miami), is priced around $68.

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

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

  • How can I find direct flights from Dallas 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 to Key Largo.

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

    Yes. Cheapflights offers flight deals from Dallas 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 to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Dallas to Key Largo (average of $56). Flying from Dallas to Key Largo in July is currently the most expensive (average of $121). 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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Alternative routes for Dallas to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Dallas to Key Largo

Discover the top 6 airlines that operate flights from Dallas 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$199FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$95Average$176FlexibilityNo cancel feeOn-time65%
DeltaCheapest$110Average$364FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$137Average$478FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$143Average$389FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$276Average$466FlexibilityNo cancel feeOn-time69%

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