Key Largo

$71+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — MIA
Jun 11 — Jun 181
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Cheapflights Tip: The best prices from Dallas to Key Largo are usually found in September or April, booked 82 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap 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 May 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Wed 8/269:29 am
DFW
-
MIA
Nonstop3h 01m
Frontier
Mon 8/316:00 am
MIA
-
DFW
Nonstop3h 24m
Frontier
Deal found 5/8$94
This Super.com deal was found by Cheapflights users on 5/11. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:29 am
DFW
-
MIA
Nonstop3h 01m
Frontier
Tue 9/16:00 am
MIA
-
DFW
Nonstop3h 24m
Frontier
Deal found 5/11$101
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 9/19:29 am
DFW
-
MIA
Nonstop3h 01m
Frontier
Mon 9/76:00 am
MIA
-
DFW
Nonstop3h 24m
Frontier
Deal found 5/8$103
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/2210:14 am
DFW
-
MIA
Nonstop3h 08m
Frontier
Wed 6/247:00 am
MIA
-
DFW
Nonstop3h 19m
Frontier
Deal found 5/7$104
This Expedia deal was found by Cheapflights users on 5/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/610:02 am
DFW
-
MIA
Nonstop3h 10m
Frontier
Fri 7/106:20 am
MIA
-
DFW
Nonstop3h 17m
Frontier
Deal found 5/8$105
This Frontier deal was found by Cheapflights users on 5/8. 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.
Mon 7/610:02 am
DFW
-
MIA
Nonstop3h 10m
Frontier
Thu 7/96:50 am
MIA
-
DFW
Nonstop3h 17m
Frontier
Deal found 5/8$106
This Frontier deal was found by Cheapflights users on 5/11. 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 7/1410:02 am
DFW
-
MIA
Nonstop3h 10m
Frontier
Fri 7/246:20 am
MIA
-
DFW
Nonstop3h 17m
Frontier
Deal found 5/11$110
This Trip.com deal was found by Cheapflights users on 5/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:02 am
DFW
-
MIA
Nonstop3h 10m
Frontier
Thu 8/136:50 am
MIA
-
DFW
Nonstop3h 17m
Frontier
Deal found 5/8$112
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Wed 8/510:02 am
DFW
-
MIA
Nonstop3h 10m
Frontier
Fri 8/76:20 am
MIA
-
DFW
Nonstop3h 17m
Frontier
Deal found 5/8$113
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/2311:35 am
DFW
-
MIA
1 stop9h 47m
Frontier
Wed 6/247:00 am
MIA
-
DFW
Nonstop3h 19m
Frontier
Deal found 5/8$125
This Kiwi.com deal was found by Cheapflights users on 5/12. 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.
Fri 9/2510:29 am
DFW
-
MIA
Nonstop2h 57m
Frontier
Sat 10/37:00 am
MIA
-
DFW
Nonstop3h 24m
Frontier
Deal found 5/12$127
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:20 pm
DAL
-
MIA
Nonstop2h 45m
Southwest
Wed 8/122:20 pm
MIA
-
DAL
Nonstop2h 55m
Southwest
Deal found 5/11$327

Find 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 May 12, 2026.

Round-trip from

$104
(Kiwi.com)

One-way from

$71
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$213
From Dallas to Key Largo
One-way flight from Dallas to Key Largo
Highest demand for flights based on searches. 12% potential increase in price ($32 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 12, 2026.
Use the filters below to find and compare flights from Dallas to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Tue 6/30

9:15 am-1:05 pm

Nonstop2h 50m

Miami

Tue 7/7

3:05 pm-5:05 pm

Nonstop3h 00m

$327

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Sat 7/18

4:51 pm-11:39 pm

1 stop5h 48m

Miami

Sun 7/26

6:31 am-12:29 pm

1 stop6h 58m

$347

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

Thu 7/9

3:34 pm-11:33 pm

1 stop6h 59m

Miami

Sun 7/12

6:31 am-12:29 pm

1 stop6h 58m

$347

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Fri 6/19

12:18 pm-7:56 pm

1 stop6h 38m

Miami

Fri 6/26

7:10 am-11:32 am

1 stop5h 22m

$347

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Wed 7/29

5:30 pm-10:50 pm

1 stop4h 20m

Miami

Tue 8/4

9:15 am-4:35 pm

2 stops8h 20m

$352

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Fri 6/19

5:30 pm-12:25 am

1 stop5h 55m

Miami

Mon 6/22

5:25 am-1:05 pm

2 stops8h 40m

$352

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Mon 8/3

1:40 pm-11:15 pm

2 stops8h 35m

Miami

Mon 8/10

5:45 am-10:40 am

1 stop5h 55m

$352

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Sat 7/18

12:20 pm-10:25 pm

1 stop9h 05m

Miami

Wed 7/22

6:00 am-11:55 am

2 stops6h 55m

$358

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Tue 10/13

1:20 pm-10:05 pm

2 stops7h 45m

Miami

Mon 10/19

5:30 am-10:35 am

1 stop6h 05m

$370

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

Sat 9/19

6:25 am-4:15 pm

1 stop8h 50m

Miami

Sat 9/26

5:10 pm-8:50 pm

1 stop4h 40m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 45 resultsSorted by cheapest first
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5

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

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 May 12, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 61% on flights from Dallas to Key Largo by exploring options for tickets in the evening.

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 May 9, 2026.

Travelers seeking maximum savings on their Dallas to Key Largo flight should consider departing on Monday evenings when fares are most often at their lowest. Friday mornings 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 May 12, 2026.

The most flights from A78 to KE9 are scheduled on a Monday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

How much does it cost to fly round-trip from Dallas to Key Largo?

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 May 12, 2026.
Read reviews from past customers who have flown Southwest,Delta, andAmerican 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.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 50m. Fly via Southwest, Delta, or United Airlines 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 cheapest airlines to fly from Dallas to Key Largo one-way?

    $32 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $40 and $66, respectively.

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

    Consider Japan Airlines (82%), Qantas Airways (79%) or Qatar Airways (78%) 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 $682, our data indicates the cheapest price to be $42. The most popular route (Dallas/Fort Worth - Miami), is priced around $61.

  • 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.

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.

Top 7 airlines flying from Dallas to Key Largo

Discover the top 7 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 May 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$167FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$68Average$176FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$93Average$273FlexibilityNo cancel feeOn-time62%
DeltaCheapest$116Average$440FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$132Average$458FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$145Average$372FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$222Average$372FlexibilityNo cancel feeOn-time69%

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