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Key Largo

$65+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — MIA
jul. 5 — jul. 121
sáb. 7/5
sáb. 7/12
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas to Key Largo are usually found in September or October, booked 76 days in advance, depart on a Friday or Thursday and return on a Friday

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 junio 30, 2025.

Round-trip from

$125
(Priceline)

One-way from

$65
(Expedia)

Popular in

March

Cheapest in

September

Average price

$265
From Dallas to Key Largo
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One-way flight from Dallas to Key Largo
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Highest demand for flights based on searches. 5% potential increase in price ($14 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 June 2025
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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 junio 30, 2025.

This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/147:57 pmDFW - MIA
Nonstop3h 02mMultiple Airlines
jue. 7/175:48 pmMIA - DFW
Nonstop3h 20mMultiple Airlines
Deal found 6/29$125
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/145:30 amDFW - MIA
Nonstop2h 58mFrontier
lun. 8/186:00 amMIA - DFW
1 stop28h 20mFrontier
Deal found 6/29$126
This American Airlines deal was found by Cheapflights users on 6/30. 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.
sáb. 8/305:45 pmDFW - MIA
Nonstop2h 53mAmerican Airlines
dom. 9/75:18 amMIA - DFW
Nonstop3h 10mAmerican Airlines
Deal found 6/30$131
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/247:00 amDFW - MIA
1 stop10h 53mSpirit Airlines
sáb. 11/18:26 pmMIA - DFW
Nonstop3h 16mSpirit Airlines
Deal found 6/28$133
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/117:15 pmDAL - MIA
Nonstop2h 50mSouthwest
jue. 8/1411:45 amMIA - DAL
Nonstop3h 00mSouthwest
Deal found 6/29$135
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/112:00 pmDAL - MIA
1 stop6h 33mDelta
sáb. 8/25:30 amMIA - DAL
1 stop6h 45mDelta
Deal found 6/28$217

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 junio 30, 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

DFW - MIA

DFWMIA

Dallas/Fort Worth

lun. 7/14

7:57 pm-11:59 pm

Nonstop3h 02m

Miami

jue. 7/17

5:48 pm-8:08 pm

Nonstop3h 20m

$125

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

jue. 8/14

5:30 am-9:28 am

Nonstop2h 58m

Miami

lun. 8/18

6:00 am-9:20 am

1 stop28h 20m

$126

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

sáb. 8/30

5:45 pm-9:38 pm

Nonstop2h 53m

Miami

dom. 9/7

5:18 am-7:28 am

Nonstop3h 10m

$131

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

lun. 8/11

7:15 pm-11:05 pm

Nonstop2h 50m

Miami

jue. 8/14

11:45 am-1:45 pm

Nonstop3h 00m

$135

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

dom. 7/13

6:10 am-10:08 am

Nonstop2h 58m

Miami

vie. 7/18

4:53 pm-7:13 pm

Nonstop3h 20m

$137

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

vie. 8/1

4:00 pm-10:55 pm

1 stop5h 55m

Miami

sáb. 8/9

11:25 am-3:15 pm

1 stop4h 50m

$217

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

mié. 7/16

3:17 pm-7:19 pm

Nonstop3h 02m

$65

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

sáb. 8/30

4:40 pm-8:35 pm

Nonstop2h 55m

$66

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

mar. 7/29

6:05 pm-9:55 pm

Nonstop2h 50m

$68

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

jue. 8/7

10:26 pm-6:30 am

1 stop7h 04m

$69

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 12 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 June 27, 2025.

Booking 76 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 $231). Flying from Dallas 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 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 junio 30, 2025.

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

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 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 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 junio 30, 2025.

The most flights from A78 to KE9 are scheduled on a Friday (42 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (28 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 junio 30, 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
4,278 reviews

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

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
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

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
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

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
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

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
8,094 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

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
5.9
Fair
3,290 reviews
Southwest
8.0
Very good
4,278 reviews

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

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.

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

    $65 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $66 and $68, respectively.

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

    Consider GOL (79%), Japan Airlines (77%) or Frontier (75%) 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 $1,041, our data indicates the cheapest price to be $72. The most popular route (Dallas/Fort Worth - Miami), is priced around $65.

  • 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 $231). Flying from Dallas 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 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 junio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$47Average$188FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$77Average$178FlexibilityNo cancel feeOn-time65%
DeltaCheapest$110Average$425FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$475FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$181Average$389FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$315Average$476FlexibilityNo cancel feeOn-time69%

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