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$47+ Cheap flights from Key Largo, FL to Dallas

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — DFW
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Dallas are usually found in October or September, booked 37 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Key Largo to Dallas

Keep the following information in mind while searching for Key Largo to Dallas flight deals. Data was last updated September 15, 2025.

Round-trip from

$87
(Kiwi.com)

One-way from

$47
(Cheapflightsfares)

Popular in

May

Cheapest in

October

Average price

$132
From Key Largo to Dallas
Search Deals
One-way flight from Key Largo to Dallas
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($42 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 September 2025
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Find flight deals from Key Largo to Dallas

Cheapest flights from Key Largo to Dallas
Explore the most affordable flight options available from Key Largo to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/105:31 pmMIA - DFW
Nonstop3h 38mFrontier
Mon 10/139:00 pmDFW - MIA
Nonstop2h 50mFrontier
Deal found 9/14$87
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:54 pmMIA - DFW
Nonstop3h 23mMultiple Airlines
Thu 9/257:24 pmDFW - MIA
Nonstop3h 03mMultiple Airlines
Deal found 9/12$88
This Flightnetwork deal was found by Cheapflights users on 9/14. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:23 pmMIA - DFW
Nonstop3h 32mMultiple Airlines
Sun 10/55:10 amDFW - MIA
Nonstop2h 44mMultiple Airlines
Deal found 9/14$89
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Sat 9/279:07 pmMIA - DFW
Nonstop3h 22mSpirit Airlines
Tue 9/309:00 amDFW - MIA
Nonstop3h 00mSpirit Airlines
Deal found 9/13$90
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Wed 10/17:54 pmMIA - DFW
Nonstop3h 23mSpirit Airlines
Sun 10/55:10 amDFW - MIA
Nonstop2h 44mSpirit Airlines
Deal found 9/13$92
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Thu 10/23:46 pmMIA - DFW
Nonstop3h 33mFrontier
Sun 10/57:24 pmDFW - MIA
Nonstop3h 03mFrontier
Deal found 9/14$93
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/3010:30 amMIA - DFW
Nonstop3h 41mMultiple Airlines
Sun 11/25:10 amDFW - MIA
Nonstop2h 44mMultiple Airlines
Deal found 9/15$94
This Priceline deal was found by Cheapflights users on 9/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:30 amMIA - DFW
Nonstop3h 31mMultiple Airlines
Sun 11/25:10 amDFW - MIA
Nonstop2h 44mMultiple Airlines
Deal found 9/12$96
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Fri 10/318:24 pmMIA - DFW
Nonstop3h 19mSpirit Airlines
Mon 11/35:10 amDFW - MIA
Nonstop2h 44mSpirit Airlines
Deal found 9/13$97
This CheapOair deal was found by Cheapflights users on 9/15. 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.
Fri 10/37:23 pmMIA - DFW
Nonstop3h 32mFrontier
Sun 10/57:24 pmDFW - MIA
Nonstop3h 03mFrontier
Deal found 9/15$100
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Fri 9/267:39 pmMIA - DFW
Nonstop3h 32mFrontier
Sun 9/287:24 pmDFW - MIA
Nonstop3h 03mFrontier
Deal found 9/13$102
This Southwest deal was found by Cheapflights users on 9/15. 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.
Thu 11/67:10 amMIA - DAL
Nonstop3h 10mSouthwest
Mon 11/1010:50 amDAL - MIA
Nonstop2h 40mSouthwest
Deal found 9/15$159

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Dallas 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 September 15, 2025.
Use the filters below to find and compare flights from Key Largo to Dallas that are best for you.

Fly from

Key Largo

Fly to

Dallas

Route

Depart

Return

Price

MiamiDallas

MIA - DFW

MIADFW

Miami

Fri 10/31

8:24 pm-10:43 pm

Nonstop3h 19m

Dallas/Fort Worth

Mon 11/3

5:10 am-8:54 am

Nonstop2h 44m

$97

MiamiDallas

MIA - DFW

MIADFW

Miami

Tue 10/28

3:06 pm-8:51 pm

1 stop6h 45m

Dallas/Fort Worth

Wed 10/29

10:25 pm-6:19 am

1 stop6h 54m

$151

MiamiDallas

MIA - DFW

MIADFW

Miami

Thu 10/23

6:00 am-11:32 am

1 stop30h 32m

Dallas/Fort Worth

Sun 10/26

6:10 am-9:36 pm

1 stop14h 26m

$152

MiamiDallas

MIA - DFW

MIADFW

Miami

Fri 10/10

6:00 am-11:09 am

1 stop30h 09m

Dallas/Fort Worth

Mon 10/13

7:55 am-4:56 pm

1 stop8h 01m

$154

MiamiDallas

MIA - DFW

MIADFW

Miami

Mon 11/3

7:25 am-9:48 am

Nonstop3h 23m

Dallas/Fort Worth

Wed 11/5

10:24 pm-12:34 am

2 stops25h 10m

$170

MiamiDallas

MIA - DAL

MIADAL

Miami

Fri 12/5

9:30 am-11:40 am

Nonstop3h 10m

Dallas Love Field

Tue 12/9

2:35 pm-9:50 pm

2 stops6h 15m

$185

MiamiDallas

MIA - DAL

MIADAL

Miami

Thu 10/9

6:50 am-8:55 am

Nonstop3h 05m

Dallas Love Field

Mon 10/13

6:00 am-4:15 pm

1 stop9h 15m

$196

MiamiDallas

MIA - DAL

MIADAL

Miami

Thu 10/30

5:15 pm-9:25 pm

1 stop5h 10m

Dallas Love Field

Sun 11/2

11:00 am-6:55 pm

1 stop6h 55m

$201

MiamiDallas

MIA - DAL

MIADAL

Miami

Thu 10/30

6:50 am-8:55 am

Nonstop3h 05m

Dallas Love Field

Thu 10/30

2:25 pm-10:50 pm

1 stop7h 25m

$210

MiamiDallas

MIA - DAL

MIADAL

Miami

Fri 10/10

6:50 am-8:55 am

Nonstop3h 05m

Dallas Love Field

Mon 10/13

9:40 am-1:20 pm

Nonstop2h 40m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 42 results
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Best time to book a flight from Key Largo to Dallas

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

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Dallas. Price data was last updated on September 12, 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Dallas. 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 Key Largo to Dallas?

Currently, August is the cheapest month in which you can book a flight from Key Largo to Dallas (average of $216). Flying from Key Largo to Dallas in March is currently the most expensive (average of $295). 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 KE9 to DFW?

Find hourly flight availability from Key Largo to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

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

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

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

Weekly flight availability from Key Largo to Dallas

Explore weekly flight availability from Key Largo to Dallas. 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 September 15, 2025.

The most flights from KE9 to A78 are scheduled on a Monday (50 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (40 on average).

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

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from Key Largo to Dallas, such as Southwest, American Airlines, and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,015 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,172 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Dallas. 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 Key Largo to Dallas?

    A quick flight from Key Largo to Dallas can take about 3h 10m. Spirit Airlines provides one of the quickest options available for as low as $185. There are 1108 mi between Key Largo and Dallas. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $47. Users have also found prices from $49 and $80 on Spirit Airlines and Southwest, respectively.

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

    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 Key Largo to Dallas on time: Royal Air Maroc (85%), Japan Airlines (74%), Spirit Airlines (67%).

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

    Looking at all options, your cheapest flight can be booked for $51. While the most popular route (Miami - Dallas/Fort Worth) can be booked for $84 on average, our data indicates $1,054 when flying from Key Largo to Dallas.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Key Largo to Dallas (average of $216). Flying from Key Largo to Dallas in March is currently the most expensive (average of $295). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Key Largo to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Key Largo to Dallas

Discover the top 4 airlines that operate flights from Key Largo to Dallas. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$53Average$140FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$73Average$180FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$141Average$350FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$141Average$459FlexibilityNo cancel feeOn-time71%

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