$36+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — MIA
Mar 14 — Mar 211
1 adult, Economy
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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.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
Cheap flight deals from Dallas to Key Largo
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Cheapest flights from Dallas to Key LargoExplore 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 February 12, 2026.
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 February 12, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
Tue 3/316:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Fri 4/38:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Wed 4/86:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Tue 4/148:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$71
This Frontier deal was found by Cheapflights users on 2/10. 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.
Fri 4/249:34 pm
DFW
- MIA
Nonstop2h 56m
Frontier
Sun 5/35:45 pm
MIA
- DFW
Nonstop3h 49m
Frontier
Deal found 2/10![Frontier logo]()
$72
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:45 am
DFW
- MIA
Nonstop2h 52m
Multiple Airlines
Fri 4/38:35 pm
MIA
- DFW
Nonstop3h 27m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$73
This Frontier deal was found by Cheapflights users on 2/10. 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 2/232:13 pm
DFW
- MIA
Nonstop2h 53m
Frontier
Fri 2/2710:17 pm
MIA
- DFW
Nonstop3h 42m
Frontier
Deal found 2/10![Frontier logo]()
$74
This Frontier deal was found by Cheapflights users on 2/12. 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.
Thu 2/194:06 pm
DFW
- MIA
Nonstop2h 54m
Frontier
Thu 2/269:10 pm
MIA
- DFW
Nonstop3h 47m
Frontier
Deal found 2/12![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 4/227:00 am
DFW
- MIA
Nonstop2h 50m
Multiple Airlines
Thu 4/305:45 pm
MIA
- DFW
Nonstop3h 49m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$76
This Priceline deal was found by Cheapflights users on 2/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:50 am
DFW
- MIA
Nonstop2h 50m
Multiple Airlines
Fri 2/2710:17 pm
MIA
- DFW
Nonstop3h 42m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$77
This Frontier deal was found by Cheapflights users on 2/10. 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.
Fri 4/179:34 pm
DFW
- MIA
Nonstop2h 56m
Frontier
Thu 4/235:45 pm
MIA
- DFW
Nonstop3h 49m
Frontier
Deal found 2/10![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 2/12. 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.
Mon 3/236:59 pm
DFW
- MIA
Nonstop2h 53m
Frontier
Fri 3/275:15 am
MIA
- DFW
Nonstop3h 36m
Frontier
Deal found 2/12![Frontier logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 4/126:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Thu 4/168:35 pm
MIA
- DFW
Nonstop3h 34m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$80
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 3/67:50 am
DFW
- MIA
Nonstop2h 50m
Spirit Airlines
Thu 3/128:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$81
Best flights from Dallas to Key LargoDiscover carefully curated flight deals from Dallas to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from Dallas to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:53 pm
DFW
- MIA
Nonstop2h 53m
Multiple Airlines
Tue 3/318:35 pm
MIA
- DFW
Nonstop3h 27m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$73
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:40 pm
DFW
- MIA
1 stop14h 36m
Spirit Airlines
Fri 3/138:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$110
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:12 am
DFW
- MIA
Nonstop2h 52m
Multiple Airlines
Tue 3/318:35 pm
MIA
- DFW
Nonstop3h 27m
Multiple Airlines
Deal found 2/12![Multiple Airlines logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 3/79:12 am
DFW
- MIA
2 stops12h 52m
Frontier
Sun 3/84:33 pm
MIA
- DFW
Nonstop3h 38m
Frontier
Deal found 2/12![Frontier logo]()
$181
This Cheapflightsfares deal was found by Cheapflights users on 2/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:00 am
DFW
- MIA
Nonstop2h 50m
Spirit Airlines
Fri 5/228:35 pm
MIA
- DFW
Nonstop3h 34m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$111
This Southwest deal was found by Cheapflights users on 2/10. 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.
Sat 4/46:00 am
DAL
- MIA
Nonstop2h 35m
Southwest
Tue 4/712:10 pm
MIA
- DAL
Nonstop3h 15m
Southwest
Deal found 2/10![Southwest logo]()
$270
This Cheapflightsfares deal was found by Cheapflights users on 2/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:42 am
DFW
- MIA
1 stop6h 59m
Spirit Airlines
Sun 4/268:35 pm
MIA
- DFW
Nonstop3h 34m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$137
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:35 am
DFW
- MIA
2 stops11h 32m
Spirit Airlines
Tue 3/318:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$152
This CheapOair deal was found by Cheapflights users on 2/12. 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.
Mon 3/28:40 pm
DFW
- MIA
1 stop14h 36m
Spirit Airlines
Mon 3/97:05 am
MIA
- DFW
1 stop24h 57m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$160
This CheapOair deal was found by Cheapflights users on 2/12. 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 3/107:50 am
DFW
- MIA
Nonstop2h 50m
Spirit Airlines
Thu 3/1211:38 am
MIA
- DFW
1 stop8h 32m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 2/11. 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.
Tue 3/36:00 am
DAL
- MIA
1 stop9h 10m
Southwest
Wed 3/412:00 pm
MIA
- DAL
Nonstop3h 30m
Southwest
Deal found 2/11![Southwest logo]()
$274
This Spirit deal was found by Cheapflights users on 2/11. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Mon 3/238:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 2/9. 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.
Tue 3/1012:55 pm
DAL
- MIA
1 stop6h 10m
Southwest
Tue 3/171:15 pm
MIA
- DAL
2 stops10h 50m
Southwest
Deal found 2/9![Southwest logo]()
$289
This Mytrip deal was found by Cheapflights users on 2/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:50 am
DFW
- MIA
Nonstop2h 50m
Spirit Airlines
Thu 3/53:50 pm
MIA
- DFW
2 stops19h 08m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$190
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/318:30 am
DAL
- MIA
2 stops7h 25m
Southwest
Tue 3/316:40 pm
MIA
- DAL
1 stop5h 45m
Southwest
Deal found 2/12![Southwest logo]()
$299
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/216:00 am
DAL
- MIA
Nonstop2h 35m
Southwest
Tue 3/316:40 pm
MIA
- DAL
1 stop5h 45m
Southwest
Deal found 2/12![Southwest logo]()
$300
This Southwest deal was found by Cheapflights users on 2/9. 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.
Tue 3/311:30 pm
DAL
- MIA
Nonstop2h 35m
Southwest
Mon 4/63:55 pm
MIA
- DAL
1 stop7h 50m
Southwest
Deal found 2/9![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 2/11. 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 2/252:35 pm
DAL
- MIA
2 stops6h 25m
Southwest
Sat 2/285:55 pm
MIA
- DAL
Nonstop3h 25m
Southwest
Deal found 2/11![Southwest logo]()
$314
This Southwest deal was found by Cheapflights users on 2/11. 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.
Mon 3/2312:40 pm
DAL
- MIA
Nonstop2h 35m
Southwest
Tue 3/315:35 pm
MIA
- DAL
1 stop6h 35m
Southwest
Deal found 2/11![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 2/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:30 am
DAL
- MIA
Nonstop2h 35m
Southwest
Tue 3/313:05 pm
MIA
- DAL
1 stop7h 05m
Southwest
Deal found 2/12![Southwest logo]()
$328
Last-minute flights from Dallas to Key LargoDiscover last-minute flight deals from Dallas to Key Largo. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Dallas to Key Largo. Data last updated February 12, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/12. 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.
Thu 2/194:06 pm
DFW
- MIA
Nonstop2h 54m
Frontier
Fri 2/2710:17 pm
MIA
- DFW
Nonstop3h 42m
Frontier
Deal found 2/12![Frontier logo]()
$75
This Expedia deal was found by Cheapflights users on 2/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:30 am
DFW
- MIA
Nonstop2h 53m
Multiple Airlines
Wed 2/259:18 pm
MIA
- DFW
Nonstop3h 32m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$71
This Frontier deal was found by Cheapflights users on 2/10. 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 2/232:13 pm
DFW
- MIA
Nonstop2h 53m
Frontier
Fri 2/2710:17 pm
MIA
- DFW
Nonstop3h 42m
Frontier
Deal found 2/10![Frontier logo]()
$74
This Priceline deal was found by Cheapflights users on 2/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:50 am
DFW
- MIA
Nonstop2h 50m
Multiple Airlines
Fri 2/2710:17 pm
MIA
- DFW
Nonstop3h 42m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$77
This Booking.com deal was found by Cheapflights users on 2/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:50 am
DFW
- MIA
Nonstop2h 50m
Spirit Airlines
Mon 3/29:18 pm
MIA
- DFW
Nonstop3h 32m
Spirit Airlines
Deal found 2/12![Spirit Airlines logo]()
$72
This Frontier deal was found by Cheapflights users on 2/11. 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.
Fri 3/69:15 pm
DFW
- MIA
Nonstop2h 56m
Frontier
Wed 3/114:25 pm
MIA
- DFW
Nonstop3h 38m
Frontier
Deal found 2/11![Frontier logo]()
$78
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 3/67:50 am
DFW
- MIA
Nonstop2h 50m
Spirit Airlines
Thu 3/128:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/166:52 pm
DFW
- MIA
Nonstop2h 53m
Multiple Airlines
Wed 3/188:35 pm
MIA
- DFW
Nonstop3h 27m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$76
This CheapOair deal was found by Cheapflights users on 2/10. 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 3/226:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Sat 3/288:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$80
This Super.com deal was found by Cheapflights users on 2/12. 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.
Mon 3/236:59 pm
DFW
- MIA
Nonstop2h 53m
Frontier
Fri 3/275:15 am
MIA
- DFW
Nonstop3h 36m
Frontier
Deal found 2/12![Frontier logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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.
Tue 3/316:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Fri 4/38:35 pm
MIA
- DFW
Nonstop3h 27m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$70
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/3111:45 am
DFW
- MIA
Nonstop2h 52m
Multiple Airlines
Fri 4/38:35 pm
MIA
- DFW
Nonstop3h 27m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$73
One-way flights from Dallas to Key LargoSearch for one-way flight options from Dallas to Key Largo. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from Dallas to Key Largo. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This CheapOair deal was found by Cheapflights users on 2/10. 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 4/217:00 am
DFW
- MIA
Nonstop2h 50m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$36
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 5/19:34 pm
DFW
- MIA
Nonstop2h 56m
Frontier
Deal found 2/10![Frontier logo]()
$37
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 2/275:13 pm
DFW
- MIA
Nonstop2h 56m
Frontier
Deal found 2/11![Frontier logo]()
$39
This Frontier deal was found by Cheapflights users on 2/10. 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.
Fri 3/208:46 am
DFW
- MIA
Nonstop2h 58m
Frontier
Deal found 2/10![Frontier logo]()
$40
This Flightnetwork deal was found by Cheapflights users on 2/10. 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.
Sat 3/286:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$41
This Booking.com deal was found by Cheapflights users on 2/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$42
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 2/232:13 pm
DFW
- MIA
Nonstop2h 53m
Frontier
Deal found 2/10![Frontier logo]()
$43
This Super.com deal was found by Cheapflights users on 2/10. 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.
Sun 2/226:30 am
DFW
- MIA
Nonstop2h 53m
Frontier
Deal found 2/10![Frontier logo]()
$44
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Sun 4/126:34 am
DFW
- MIA
Nonstop2h 43m
Spirit Airlines
Deal found 2/11![Spirit Airlines logo]()
$45
This CheapOair deal was found by Cheapflights users on 2/10. 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 5/1710:43 am
DFW
- MIA
Nonstop2h 51m
Spirit Airlines
Deal found 2/10![Spirit Airlines logo]()
$46
This Kiwi.com deal was found by Cheapflights users on 2/11. 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.
Fri 3/69:15 pm
DFW
- MIA
Nonstop2h 56m
Frontier
Deal found 2/11![Frontier logo]()
$49
This Southwest deal was found by Cheapflights users on 2/10. 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.
Tue 4/211:55 pm
DAL
- MIA
Nonstop2h 35m
Southwest
Deal found 2/10![Southwest logo]()
$105
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 February 12, 2026.
Round-trip from | $70 (Cheapflightsfares) |
|---|---|
One-way from | $36 (CheapOair) |
Popular in | December |
Cheapest in | September |
Average price | $183 |
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 February 12, 2026.
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
Sat 3/21
6:53 pm-10:46 pm
Nonstop2h 53m
Miami
Tue 3/31
8:35 pm-11:02 pm
Nonstop3h 27m
$73
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Sun 3/22
11:12 am-3:04 pm
Nonstop2h 52m
Miami
Tue 3/31
8:35 pm-11:02 pm
Nonstop3h 27m
$73
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Sat 2/28
8:40 pm-12:16 pm
1 stop14h 36m
Miami
Fri 3/13
8:35 pm-11:02 pm
Nonstop3h 27m
$110
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Sat 5/16
7:00 am-10:50 am
Nonstop2h 50m
Miami
Fri 5/22
8:35 pm-11:09 pm
Nonstop3h 34m
$111
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Thu 4/23
8:42 am-4:41 pm
1 stop6h 59m
Miami
Sun 4/26
8:35 pm-11:09 pm
Nonstop3h 34m
$137
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Tue 3/24
7:35 am-8:07 pm
2 stops11h 32m
Miami
Tue 3/31
8:35 pm-11:02 pm
Nonstop3h 27m
$152
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Mon 3/2
8:40 pm-12:16 pm
1 stop14h 36m
Miami
Mon 3/9
7:05 am-7:02 am
1 stop24h 57m
$160
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Tue 3/10
7:50 am-11:40 am
Nonstop2h 50m
Miami
Thu 3/12
11:38 am-7:10 pm
1 stop8h 32m
$169
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Sat 3/21
6:34 am-10:17 am
Nonstop2h 43m
Miami
Mon 3/23
8:35 pm-11:02 pm
Nonstop3h 27m
$177
DallasMiami
DFW - MIA
DFWMIA
Dallas/Fort Worth
Sat 3/7
9:12 am-11:04 pm
2 stops12h 52m
Miami
Sun 3/8
4:33 pm-7:11 pm
Nonstop3h 38m
$181
Showing 1-10 of 39 results
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.
DFW-MIA
DAL-MIA
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
A78-KE9
DFW-MIA
DAL-MIA
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 6, 2026.
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 $57). 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 February 12, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 57% 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 February 7, 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. 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 February 12, 2026.
The most flights from A78 to KE9 are scheduled on a Thursday (44 on average). You will have fewer flight options on Wednesday, 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 February 12, 2026.
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.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
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.
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Complete your trip
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Dallas and Key Largo flights
Browse other Dallas and Key Largo flight options. Last updated on February 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Dallas to Key Largo flights
Consider these flights traveling from Dallas to Key Largo.
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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$169 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$76 | Average$182 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$136 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$463 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$153 | Average$377 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$252 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$246 | Average$385 | FlexibilityNo cancel fee | On-time69% |