HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$51+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — MIA
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas to Key Largo with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Dallas to Key Largo are usually found in September or October, booked 16 days in advance, depart on a Saturday or Friday 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 febrero 20, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$99
(Kiwi.com)

One-way from

$51
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$202
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. 16% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 febrero 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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.
mié. 3/1210:13 amDFW - MIA
Nonstop2h 55mMultiple Airlines
jue. 3/138:47 pmMIA - DFW
Nonstop3h 23mMultiple Airlines
Deal found 2/19$99
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
lun. 3/103:50 pmDFW - MIA
Nonstop2h 52mSpirit Airlines
sáb. 3/158:47 pmMIA - DFW
Nonstop3h 23mSpirit Airlines
Deal found 2/20$104
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
mié. 3/511:45 amDFW - MIA
Nonstop2h 50mFrontier
jue. 3/69:45 amMIA - DFW
Nonstop3h 39mFrontier
Deal found 2/20$110
This Southwest deal was found by Cheapflights users on 2/19. 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.
mar. 4/155:10 pmDAL - MIA
Nonstop2h 45mSouthwest
mar. 4/297:35 amMIA - DAL
Nonstop3h 10mSouthwest
Deal found 2/19$229
This Delta deal was found by Cheapflights users on 2/19. 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.
mié. 4/26:00 amDAL - MIA
1 stop5h 25mDelta
mié. 4/910:25 amMIA - DAL
1 stop8h 26mDelta
Deal found 2/19$249

Find flights from Dallas to Key Largo within your budget

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 febrero 20, 2025.

Fly from

Dallas

Fly to

Key Largo

Route

Depart

Return

Price

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

mié. 3/12

10:13 am-2:08 pm

Nonstop2h 55m

Miami

jue. 3/13

8:47 pm-11:10 pm

Nonstop3h 23m

$99

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

lun. 3/10

3:50 pm-7:42 pm

Nonstop2h 52m

Miami

sáb. 3/15

8:47 pm-11:10 pm

Nonstop3h 23m

$104

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

mié. 3/5

11:45 am-3:35 pm

Nonstop2h 50m

Miami

jue. 3/6

9:45 am-12:24 pm

Nonstop3h 39m

$110

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

mar. 4/15

5:10 pm-8:55 pm

Nonstop2h 45m

Miami

mar. 4/29

7:35 am-9:45 am

Nonstop3h 10m

$229

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

mié. 4/2

6:00 am-12:25 pm

1 stop5h 25m

Miami

mié. 4/9

10:25 am-5:51 pm

1 stop8h 26m

$249

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

jue. 3/20

5:35 am-9:22 am

Nonstop2h 47m

$51

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

lun. 3/24

11:06 am-2:56 pm

Nonstop2h 50m

$53

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

mar. 4/29

5:10 pm-8:55 pm

Nonstop2h 45m

$115

DallasMiami

DFW - MIA

DFWMIA

Dallas/Fort Worth

mar. 3/25

7:10 am-1:45 pm

1 stop5h 35m

$125

DallasMiami

DAL - MIA

DALMIA

Dallas Love Field

mar. 3/25

6:00 am-1:45 pm

1 stop6h 45m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 results
1
2

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.

Travel insights for flights from Dallas to Key Largo

Get recent, data-driven insights about flights from Dallas to Key Largo including ideal travel times, pricing trends, and more.

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 February 14, 2025.

Booking 16 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 febrero 20, 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 Wednesday evenings when fares are most often at their lowest. Friday 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 febrero 20, 2025.

The most flights from A78 to KE9 are scheduled on a Thursday (45 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 febrero 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Dallas to Key Largo have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Food

7.1

Reviews

1 / 20

8.0
Excellent

Justin,May 2024

AUS - SAN

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

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?

    $51 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 Frontier and Southwest, with prices starting from $54 and $115, respectively.

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

    Consider Spirit Airlines (91%), Alaska Airlines (76%) or Japan Airlines (76%) 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 $574, our data indicates the cheapest price to be $50. The most popular route (Dallas/Fort Worth - Miami), is priced around $58.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dallas to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Orlando flights
Dallas/Fort Worth to Fort Lauderdale flights
Dallas/Fort Worth to Miami flights
Hobby to Orlando flights
Hobby to Fort Lauderdale flights
Hobby to Miami flights
Love Field to Miami flights
George Bush Intcntl to Orlando flights
George Bush Intcntl to Fort Lauderdale flights
Austin to Miami flights
George Bush Intcntl to Miami flights
Love Field to Orlando flights
Dallas/Fort Worth to Tampa flights
Austin to Orlando flights
Austin to Fort Lauderdale flights
Dallas/Fort Worth to Jacksonville flights
Hobby to Tampa flights
Love Field to Fort Lauderdale flights
Austin to Tampa flights
Dallas/Fort Worth to West Palm Beach flights
Dallas/Fort Worth to Pensacola flights
San Antonio to Orlando flights
Hobby to Fort Myers flights
George Bush Intcntl to Tampa flights
Dallas/Fort Worth to Fort Myers flights
San Antonio to Fort Lauderdale flights
Dallas/Fort Worth to Sarasota flights
Love Field to Tampa flights
George Bush Intcntl to Fort Myers flights
Love Field to Jacksonville flights
Dallas/Fort Worth to Valparaiso flights
Hobby to Key West flights
Hobby to West Palm Beach flights
San Antonio to Miami flights
Hobby to Jacksonville flights
Dallas/Fort Worth to Panama City flights
Dallas/Fort Worth to Key West flights
George Bush Intcntl to Jacksonville flights
George Bush Intcntl to West Palm Beach flights
Austin to Jacksonville flights
Hobby to Pensacola flights
George Bush Intcntl to Key West flights
Austin to Fort Myers flights
San Antonio to Tampa flights
George Bush Intcntl to Pensacola flights
Love Field to Pensacola flights
Austin to Panama City flights
Austin to Sarasota flights
George Bush Intcntl to Sarasota flights
Hobby to Sarasota flights

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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$150FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$64Average$164FlexibilityNo cancel feeOn-time65%
DeltaCheapest$110Average$499FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$180Average$416FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$182Average$474FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$277Average$462FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.