$60+ Cheap flights from Detroit (DTT) 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — MIA
Apr 10 — Apr 171
Round-trip
1 adult, Economy
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Find cheap flights from Detroit 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 Detroit All airports to Key Largo are usually found in September or October, booked 81 days in advance, depart on a Monday or Wednesday and return on a Thursday
Cheap flight deals from Detroit to Key Largo
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Best
Last-minute
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Cheapest flights from Detroit to Key LargoExplore the most affordable flight options available from Detroit to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
Explore the most affordable flight options available from Detroit to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.
This Frontier deal was found by Cheapflights users on 3/6. 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 5/11:42 pm
DTW
- MIA
1 stop11h 07m
Frontier
Thu 5/73:31 pm
MIA
- DTW
Nonstop3h 13m
Frontier
Deal found 3/6![Frontier logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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 3/174:50 pm
DTW
- MIA
Nonstop3h 03m
Spirit Airlines
Wed 3/253:12 pm
MIA
- DTW
1 stop7h 25m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$124
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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 3/225:20 am
DTW
- MIA
Nonstop2h 59m
Spirit Airlines
Fri 3/278:48 pm
MIA
- DTW
Nonstop3h 11m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$125
This CheapOair deal was found by Cheapflights users on 3/6. 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.
Sat 3/214:50 pm
DTW
- MIA
Nonstop3h 03m
Spirit Airlines
Sat 3/289:14 am
MIA
- DTW
Nonstop3h 06m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 3/162:00 pm
DTW
- MIA
Nonstop3h 08m
Multiple Airlines
Tue 3/173:12 pm
MIA
- DTW
1 stop7h 25m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Tue 3/315:34 pm
DTW
- MIA
1 stop5h 23m
Multiple Airlines
Wed 4/89:14 am
MIA
- DTW
Nonstop3h 06m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/144:50 pm
DTW
- MIA
Nonstop3h 03m
Multiple Airlines
Tue 3/245:05 am
MIA
- DTW
1 stop6h 07m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$129
This CheapOair deal was found by Cheapflights users on 3/6. 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 4/65:34 pm
DTW
- MIA
1 stop26h 33m
Spirit Airlines
Thu 4/98:48 pm
MIA
- DTW
Nonstop3h 11m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$130
This WAYA deal was found by Cheapflights users on 3/10. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:24 am
DTW
- MIA
Nonstop3h 05m
Frontier
Thu 4/95:05 am
MIA
- DTW
1 stop9h 05m
Frontier
Deal found 3/10![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:20 am
DTW
- MIA
Nonstop2h 59m
Spirit Airlines
Sat 3/219:14 am
MIA
- DTW
Nonstop3h 06m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Sat 3/219:36 am
DTW
- MIA
1 stop10h 31m
Multiple Airlines
Sat 3/287:45 am
MIA
- DTW
Nonstop3h 16m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$133
This Frontier deal was found by Cheapflights users on 3/8. 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 3/232:00 pm
DTW
- MIA
Nonstop3h 08m
Frontier
Wed 3/255:05 am
MIA
- DTW
1 stop11h 07m
Frontier
Deal found 3/8![Frontier logo]()
$134
Best flights from Detroit to Key LargoDiscover carefully curated flight deals from Detroit to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
Discover carefully curated flight deals from Detroit to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 11, 2026.
This Southwest deal was found by Cheapflights users on 3/6. 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.
Fri 4/174:00 pm
DTW
- MIA
1 stop5h 25m
Southwest
Sat 4/186:35 am
MIA
- DTW
2 stops8h 25m
Southwest
Deal found 3/6![Southwest logo]()
$204
This Delta deal was found by Cheapflights users on 3/6. 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.
Tue 4/217:00 am
DTW
- MIA
Nonstop2h 55m
Delta
Sat 4/258:04 am
MIA
- DTW
Nonstop3h 03m
Delta
Deal found 3/6![Delta logo]()
$284
This Southwest deal was found by Cheapflights users on 3/10. 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.
Mon 5/114:00 pm
DTW
- MIA
2 stops6h 00m
Southwest
Sat 5/166:15 am
MIA
- DTW
2 stops8h 45m
Southwest
Deal found 3/10![Southwest logo]()
$229
This Southwest deal was found by Cheapflights users on 3/6. 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 4/305:35 am
DTW
- MIA
1 stop5h 25m
Southwest
Tue 5/512:10 pm
MIA
- DTW
2 stops10h 20m
Southwest
Deal found 3/6![Southwest logo]()
$280
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:35 pm
DTW
- MIA
Nonstop3h 06m
Delta
Sun 5/318:05 am
MIA
- DTW
Nonstop3h 03m
Delta
Deal found 3/9![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 3/6. 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.
Wed 4/222:15 pm
DTW
- MIA
Nonstop3h 05m
Delta
Mon 4/277:41 pm
MIA
- DTW
1 stop5h 03m
Delta
Deal found 3/6![Delta logo]()
$314
This Southwest deal was found by Cheapflights users on 3/9. 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 4/78:15 am
DTW
- MIA
2 stops8h 35m
Southwest
Sat 4/118:25 am
MIA
- DTW
2 stops9h 10m
Southwest
Deal found 3/9![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/188:30 am
DTW
- MIA
Nonstop3h 05m
Delta
Fri 5/228:05 am
MIA
- DTW
Nonstop3h 03m
Delta
Deal found 3/8![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:40 am
DTW
- MIA
2 stops8h 50m
Southwest
Sun 5/316:30 am
MIA
- DTW
1 stop5h 30m
Southwest
Deal found 3/8![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:50 pm
DTW
- MIA
Nonstop3h 00m
Delta
Sun 5/178:05 am
MIA
- DTW
Nonstop3h 03m
Delta
Deal found 3/8![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 3/10. 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.
Mon 5/181:00 pm
DTW
- MIA
2 stops8h 25m
Southwest
Fri 5/226:20 am
MIA
- DTW
2 stops8h 35m
Southwest
Deal found 3/10![Southwest logo]()
$358
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:50 pm
DTW
- MIA
Nonstop3h 00m
Delta
Fri 5/155:51 pm
MIA
- DTW
1 stop7h 07m
Delta
Deal found 3/8![Delta logo]()
$397
Last-minute flights from Detroit to Key LargoDiscover last-minute flight deals from Detroit to Key Largo. Data last updated March 11, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Key Largo. Data last updated March 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/144:50 pm
DTW
- MIA
Nonstop3h 03m
Multiple Airlines
Wed 3/255:05 am
MIA
- DTW
1 stop6h 07m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 3/162:00 pm
DTW
- MIA
Nonstop3h 08m
Multiple Airlines
Tue 3/173:12 pm
MIA
- DTW
1 stop7h 25m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 3/165:20 am
DTW
- MIA
Nonstop2h 59m
Spirit Airlines
Fri 3/273:12 pm
MIA
- DTW
1 stop7h 25m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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 3/174:50 pm
DTW
- MIA
Nonstop3h 03m
Spirit Airlines
Wed 3/253:12 pm
MIA
- DTW
1 stop7h 25m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$124
This CheapOair deal was found by Cheapflights users on 3/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/185:20 am
DTW
- MIA
Nonstop2h 59m
Spirit Airlines
Sat 3/219:14 am
MIA
- DTW
Nonstop3h 06m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$132
This CheapOair deal was found by Cheapflights users on 3/6. 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.
Sat 3/214:50 pm
DTW
- MIA
Nonstop3h 03m
Spirit Airlines
Sat 3/289:14 am
MIA
- DTW
Nonstop3h 06m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Sat 3/219:36 am
DTW
- MIA
1 stop10h 31m
Multiple Airlines
Sat 3/287:45 am
MIA
- DTW
Nonstop3h 16m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$133
This Cheapflightsfares deal was found by Cheapflights users on 3/6. 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 3/225:20 am
DTW
- MIA
Nonstop2h 59m
Spirit Airlines
Fri 3/278:48 pm
MIA
- DTW
Nonstop3h 11m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$125
This Frontier deal was found by Cheapflights users on 3/8. 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 3/232:00 pm
DTW
- MIA
Nonstop3h 08m
Frontier
Wed 3/255:05 am
MIA
- DTW
1 stop11h 07m
Frontier
Deal found 3/8![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Tue 3/315:34 pm
DTW
- MIA
1 stop5h 23m
Multiple Airlines
Wed 4/89:14 am
MIA
- DTW
Nonstop3h 06m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$128
This WAYA deal was found by Cheapflights users on 3/10. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:24 am
DTW
- MIA
Nonstop3h 05m
Frontier
Thu 4/95:05 am
MIA
- DTW
1 stop9h 05m
Frontier
Deal found 3/10![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 3/6. 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 4/65:34 pm
DTW
- MIA
1 stop26h 33m
Spirit Airlines
Thu 4/98:48 pm
MIA
- DTW
Nonstop3h 11m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$130
One-way flights from Detroit to Key LargoSearch for one-way flight options from Detroit to Key Largo. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
Search for one-way flight options from Detroit to Key Largo. Find affordable one-way fares based on user searches. Data last updated March 11, 2026.
This Trip.com deal was found by Cheapflights users on 3/7. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:09 pm
DTW
- MIA
1 stop7h 40m
Frontier
Deal found 3/7![Frontier logo]()
$60
This Trip.com deal was found by Cheapflights users on 3/6. 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.
Tue 4/1412:33 pm
DTW
- MIA
1 stop12h 16m
Frontier
Deal found 3/6![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/235:07 pm
DTW
- MIA
1 stop27h 00m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 5/1912:26 pm
DTW
- MIA
1 stop5h 31m
Frontier
Deal found 3/8![Frontier logo]()
$63
This Super.com deal was found by Cheapflights users on 3/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/38:01 pm
DTW
- MIA
Nonstop3h 05m
Frontier
Deal found 3/9![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/710:05 am
DTW
- MIA
1 stop7h 52m
Frontier
Deal found 3/6![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 3/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/89:02 am
DTW
- MIA
1 stop15h 47m
Frontier
Deal found 3/9![Frontier logo]()
$67
This Super.com deal was found by Cheapflights users on 3/10. 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.
Mon 3/162:00 pm
DTW
- MIA
Nonstop3h 08m
Frontier
Deal found 3/10![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Tue 4/77:18 pm
DTW
- MIA
1 stop5h 31m
Frontier
Deal found 3/7![Frontier logo]()
$69
This Mytrip deal was found by Cheapflights users on 3/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:05 am
DTW
- MIA
1 stop14h 02m
Spirit Airlines
Deal found 3/8![Spirit Airlines logo]()
$70
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:05 am
DTW
- MIA
1 stop14h 02m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$71
Find flight deals from Detroit to Key Largo
Keep the following information in mind while searching for Detroit to Key Largo flight deals. Data was last updated March 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $123 (Frontier) |
One-way from | $60 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $305 |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit 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 March 11, 2026.
Use the filters below to find and compare flights from Detroit to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Fri 4/17
4:00 pm-9:25 pm
1 stop5h 25m
Miami
Sat 4/18
6:35 am-3:00 pm
2 stops8h 25m
$204
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Mon 5/11
4:00 pm-10:00 pm
2 stops6h 00m
Miami
Sat 5/16
6:15 am-3:00 pm
2 stops8h 45m
$229
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Thu 4/30
5:35 am-11:00 am
1 stop5h 25m
Miami
Tue 5/5
12:10 pm-10:30 pm
2 stops10h 20m
$280
Quickest round-trip
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Tue 4/21
7:00 am-9:55 am
Nonstop2h 55m
Miami
Sat 4/25
8:04 am-11:07 am
Nonstop3h 03m
$284
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Fri 5/22
8:35 pm-11:41 pm
Nonstop3h 06m
Miami
Sun 5/31
8:05 am-11:08 am
Nonstop3h 03m
$308
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Wed 4/22
2:15 pm-5:20 pm
Nonstop3h 05m
Miami
Mon 4/27
7:41 pm-12:44 am
1 stop5h 03m
$314
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Tue 4/7
8:15 am-4:50 pm
2 stops8h 35m
Miami
Sat 4/11
8:25 am-5:35 pm
2 stops9h 10m
$317
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Mon 5/18
8:30 am-11:35 am
Nonstop3h 05m
Miami
Fri 5/22
8:05 am-11:08 am
Nonstop3h 03m
$317
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Mon 5/25
8:40 am-5:30 pm
2 stops8h 50m
Miami
Sun 5/31
6:30 am-12:00 pm
1 stop5h 30m
$333
DetroitMiami
DTW - MIA
DTWMIA
Detroit Metropolitan Wayne County
Tue 4/21
6:50 pm-9:50 pm
Nonstop3h 00m
Miami
Sun 5/17
8:05 am-11:08 am
Nonstop3h 03m
$334
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Detroit to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Detroit with our price prediction graph.
DTW-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 Detroit to Key Largo
DTT-KE9
DTW-MIA
How far ahead should I book a flight from Detroit to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Detroit to Key Largo. Price data was last updated on March 6, 2026.
The best time to book flights from Detroit to Key Largo is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Detroit to Key Largo?
Currently, October is the cheapest month in which you can book a flight from Detroit to Key Largo (average of $57). Flying from Detroit to Key Largo in June is currently the most expensive (average of $122). 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 DTT to KE9?
Find hourly flight availability from Detroit 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 March 11, 2026.
A simple way to save on the total cost of your ticket is to fly from Detroit to Key Largo at noon. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from Detroit to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Detroit to Key Largo. Price data was last updated on February 21, 2026.
Travelers seeking maximum savings on their Detroit to Key Largo flight should consider departing on Sunday at noon when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Detroit to Key Largo
Explore weekly flight availability from Detroit 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 March 11, 2026.
The most flights from DTT to KE9 are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Detroit 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 March 11, 2026.
Read through reviews of airlines operating flights from Detroit to Key Largo, such as Southwest,Delta, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from Detroit 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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Alternative routes for Detroit to Key Largo
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Complete your trip
Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Detroit to Key Largo by cabin class
Find flights from Detroit to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Detroit and Key Largo flights
Browse other Detroit and Key Largo flight options. Last updated on March 11, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on March 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Detroit to Key Largo
Discover the top 7 airlines that operate flights from Detroit 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 March 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$212 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$86 | Average$242 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$158 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$326 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$176 | Average$319 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$403 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$226 | Average$375 | FlexibilityNo cancel fee | On-time69% |