$80+ Cheap flights from Las Vegas (LAS) 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — MIA
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas 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 Las Vegas Harry Reid Intl to Key Largo are usually found in August or September, booked 35 days in advance, depart on a Wednesday or Thursday and return on a Saturday
Cheap flight deals from Las Vegas to Key Largo
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Best
Last-minute
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Cheapest flights from Las Vegas to Key LargoExplore the most affordable flight options available from Las Vegas to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Las Vegas to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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.
Sat 4/2511:49 pm
LAS
- MIA
Nonstop4h 43m
Frontier
Fri 5/18:42 am
MIA
- LAS
Nonstop5h 44m
Frontier
Deal found 4/6![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Tue 4/144:51 pm
LAS
- MIA
1 stop9h 14m
Multiple Airlines
Tue 4/286:30 am
MIA
- LAS
1 stop7h 16m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Mon 5/412:29 am
LAS
- MIA
2 stops12h 58m
Frontier
Sat 5/96:30 am
MIA
- LAS
1 stop20h 24m
Frontier
Deal found 4/8![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Fri 4/1711:49 pm
LAS
- MIA
Nonstop4h 43m
Multiple Airlines
Fri 4/243:54 pm
MIA
- LAS
2 stops34h 50m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$192
This Trip.com deal was found by Cheapflights users on 4/7. 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.
Wed 4/2210:52 pm
LAS
- MIA
1 stop7h 03m
Multiple Airlines
Sun 4/266:15 am
MIA
- LAS
1 stop20h 27m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 5/811:50 pm
LAS
- MIA
1 stop18h 55m
Multiple Airlines
Mon 5/186:00 am
MIA
- LAS
2 stops44h 29m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/1110:25 pm
LAS
- MIA
2 stops11h 55m
Frontier
Sat 5/238:03 pm
MIA
- LAS
Nonstop5h 35m
Frontier
Deal found 4/6![Frontier logo]()
$195
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:51 am
LAS
- MIA
1 stop6h 41m
Spirit Airlines
Sun 5/36:30 am
MIA
- LAS
1 stop7h 16m
Spirit Airlines
Deal found 4/8![Spirit Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 4/2210:52 pm
LAS
- MIA
1 stop8h 20m
Multiple Airlines
Tue 4/281:05 pm
MIA
- LAS
2 stops11h 30m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 4/2411:51 am
LAS
- MIA
1 stop6h 41m
Multiple Airlines
Fri 5/14:00 pm
MIA
- LAS
2 stops31h 11m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$198
This Expedia deal was found by Cheapflights users on 4/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:51 am
LAS
- MIA
1 stop6h 41m
Multiple Airlines
Sun 4/267:00 am
MIA
- LAS
1 stop13h 55m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$199
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:51 pm
LAS
- MIA
1 stop9h 14m
Frontier
Fri 4/243:15 pm
MIA
- LAS
1 stop11h 44m
Frontier
Deal found 4/7![Frontier logo]()
$200
Best flights from Las Vegas to Key LargoDiscover carefully curated flight deals from Las Vegas to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Las Vegas to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This Southwest deal was found by Cheapflights users on 4/6. 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.
Wed 5/611:55 pm
LAS
- MIA
2 stops10h 15m
Southwest
Wed 5/137:20 am
MIA
- LAS
2 stops10h 10m
Southwest
Deal found 4/6![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
LAS
- MIA
2 stops9h 28m
United Airlines
Sat 5/26:15 am
MIA
- LAS
2 stops14h 03m
United Airlines
Deal found 4/6![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 4/6. 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.
Wed 8/56:30 am
LAS
- MIA
2 stops10h 40m
Southwest
Wed 8/122:20 pm
MIA
- LAS
2 stops8h 50m
Southwest
Deal found 4/6![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 4/5. 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 8/226:45 pm
LAS
- MIA
2 stops13h 45m
Southwest
Tue 8/252:20 pm
MIA
- LAS
2 stops9h 45m
Southwest
Deal found 4/5![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 4/6. 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.
Mon 5/257:40 am
LAS
- MIA
2 stops7h 45m
Southwest
Tue 6/212:10 pm
MIA
- LAS
2 stops8h 55m
Southwest
Deal found 4/6![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 4/5. 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 6/1012:10 pm
LAS
- MIA
2 stops7h 40m
Southwest
Tue 6/2311:45 am
MIA
- LAS
2 stops11h 50m
Southwest
Deal found 4/5![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 4/8. 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.
Wed 9/236:30 am
LAS
- MIA
2 stops10h 40m
Southwest
Mon 9/2812:05 pm
MIA
- LAS
1 stop9h 00m
Southwest
Deal found 4/8![Southwest logo]()
$445
This Southwest deal was found by Cheapflights users on 4/8. 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.
Thu 5/711:55 pm
LAS
- MIA
2 stops10h 15m
Southwest
Thu 5/141:45 pm
MIA
- LAS
2 stops12h 35m
Southwest
Deal found 4/8![Southwest logo]()
$492
This Southwest deal was found by Cheapflights users on 4/10. 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.
Sun 5/107:30 am
LAS
- MIA
2 stops7h 45m
Southwest
Sun 5/172:55 pm
MIA
- LAS
1 stop9h 55m
Southwest
Deal found 4/10![Southwest logo]()
$508
This Southwest deal was found by Cheapflights users on 4/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1012:10 pm
LAS
- MIA
2 stops7h 40m
Southwest
Fri 6/265:10 am
MIA
- LAS
2 stops8h 35m
Southwest
Deal found 4/7![Southwest logo]()
$508
Last-minute flights from Las Vegas to Key LargoDiscover last-minute flight deals from Las Vegas to Key Largo. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Key Largo. Data last updated April 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Tue 4/144:51 pm
LAS
- MIA
1 stop9h 14m
Multiple Airlines
Tue 4/286:30 am
MIA
- LAS
1 stop7h 16m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Fri 4/1711:49 pm
LAS
- MIA
Nonstop4h 43m
Multiple Airlines
Fri 4/243:54 pm
MIA
- LAS
2 stops34h 50m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$192
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:51 pm
LAS
- MIA
1 stop9h 14m
Frontier
Fri 4/243:15 pm
MIA
- LAS
1 stop11h 44m
Frontier
Deal found 4/7![Frontier logo]()
$200
This Trip.com deal was found by Cheapflights users on 4/7. 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.
Wed 4/2210:52 pm
LAS
- MIA
1 stop7h 03m
Multiple Airlines
Sun 4/266:15 am
MIA
- LAS
1 stop20h 27m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 4/2210:52 pm
LAS
- MIA
1 stop8h 20m
Multiple Airlines
Tue 4/281:05 pm
MIA
- LAS
2 stops11h 30m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$197
This Expedia deal was found by Cheapflights users on 4/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:51 am
LAS
- MIA
1 stop6h 41m
Multiple Airlines
Sun 4/267:00 am
MIA
- LAS
1 stop13h 55m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 4/2411:51 am
LAS
- MIA
1 stop6h 41m
Multiple Airlines
Fri 5/14:00 pm
MIA
- LAS
2 stops31h 11m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$198
This Cheapflightsfares deal was found by Cheapflights users on 4/6. 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.
Sat 4/2511:49 pm
LAS
- MIA
Nonstop4h 43m
Frontier
Fri 5/18:42 am
MIA
- LAS
Nonstop5h 44m
Frontier
Deal found 4/6![Frontier logo]()
$189
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:51 am
LAS
- MIA
1 stop6h 41m
Spirit Airlines
Sun 5/36:30 am
MIA
- LAS
1 stop7h 16m
Spirit Airlines
Deal found 4/8![Spirit Airlines logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Mon 5/412:29 am
LAS
- MIA
2 stops12h 58m
Frontier
Sat 5/96:30 am
MIA
- LAS
1 stop20h 24m
Frontier
Deal found 4/8![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 5/811:50 pm
LAS
- MIA
1 stop18h 55m
Multiple Airlines
Mon 5/186:00 am
MIA
- LAS
2 stops44h 29m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/1110:25 pm
LAS
- MIA
2 stops11h 55m
Frontier
Sat 5/238:03 pm
MIA
- LAS
Nonstop5h 35m
Frontier
Deal found 4/6![Frontier logo]()
$195
One-way flights from Las Vegas to Key LargoSearch for one-way flight options from Las Vegas to Key Largo. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Las Vegas to Key Largo. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:59 am
LAS
- MIA
1 stop9h 29m
Frontier
Deal found 4/8![Frontier logo]()
$80
This Frontier deal was found by Cheapflights users on 4/8. 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.
Wed 4/2911:35 pm
LAS
- MIA
1 stop7h 37m
Frontier
Deal found 4/8![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/96:00 am
LAS
- MIA
1 stop12h 45m
Frontier
Deal found 4/7![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Tue 4/2111:39 pm
LAS
- MIA
Nonstop4h 43m
Frontier
Deal found 4/6![Frontier logo]()
$83
This Spirit deal was found by Cheapflights users on 4/8. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:51 am
LAS
- MIA
1 stop6h 41m
Spirit Airlines
Deal found 4/8![Spirit Airlines logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 4/2412:20 am
LAS
- MIA
1 stop16h 51m
Frontier
Deal found 4/6![Frontier logo]()
$85
This CheapOair deal was found by Cheapflights users on 4/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:29 am
LAS
- MIA
1 stop15h 15m
Frontier
Deal found 4/8![Frontier logo]()
$86
This Frontier deal was found by Cheapflights users on 4/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:49 pm
LAS
- MIA
Nonstop4h 43m
Frontier
Deal found 4/9![Frontier logo]()
$87
This Trip.com deal was found by Cheapflights users on 4/6. 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.
Thu 4/236:45 am
LAS
- MIA
1 stop14h 24m
Frontier
Deal found 4/6![Frontier logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 4/5. 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.
Mon 4/2711:51 am
LAS
- MIA
1 stop6h 41m
Spirit Airlines
Deal found 4/5![Spirit Airlines logo]()
$90
Find flight deals from Las Vegas to Key Largo
Keep the following information in mind while searching for Las Vegas to Key Largo flight deals. Data was last updated April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $189 (Cheapflightsfares) |
One-way from | $80 (Cheapflightsfares) |
Popular in | March |
Cheapest in | August |
Average price | $370 |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas 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 April 10, 2026.
Use the filters below to find and compare flights from Las Vegas to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Wed 5/6
11:55 pm-1:10 pm
2 stops10h 15m
Miami
Wed 5/13
7:20 am-2:30 pm
2 stops10h 10m
$287
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Wed 8/5
6:30 am-8:10 pm
2 stops10h 40m
Miami
Wed 8/12
2:20 pm-8:10 pm
2 stops8h 50m
$362
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Sat 8/22
6:45 pm-11:30 am
2 stops13h 45m
Miami
Tue 8/25
2:20 pm-9:05 pm
2 stops9h 45m
$393
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Mon 5/25
7:40 am-6:25 pm
2 stops7h 45m
Miami
Tue 6/2
12:10 pm-6:05 pm
2 stops8h 55m
$400
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Tue 4/28
6:00 am-6:28 pm
2 stops9h 28m
Miami
Sat 5/2
6:15 am-5:18 pm
2 stops14h 03m
$417
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Wed 6/10
12:10 pm-10:50 pm
2 stops7h 40m
Miami
Tue 6/23
11:45 am-8:35 pm
2 stops11h 50m
$417
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Wed 9/23
6:30 am-8:10 pm
2 stops10h 40m
Miami
Mon 9/28
12:05 pm-6:05 pm
1 stop9h 00m
$445
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Thu 5/7
11:55 pm-1:10 pm
2 stops10h 15m
Miami
Thu 5/14
1:45 pm-11:20 pm
2 stops12h 35m
$492
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Sun 5/10
7:30 am-6:15 pm
2 stops7h 45m
Miami
Sun 5/17
2:55 pm-9:50 pm
1 stop9h 55m
$508
Quickest round-trip
Las VegasMiami
LAS - MIA
LASMIA
Las Vegas Harry Reid Intl
Wed 6/10
12:10 pm-10:50 pm
2 stops7h 40m
Miami
Fri 6/26
5:10 am-10:45 am
2 stops8h 35m
$508
Showing 1-10 of 20 resultsSorted by cheapest first
Best time to book a flight from Las Vegas to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from Las Vegas with our price prediction graph.
LAS-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 Las Vegas to Key Largo
LAS-KE9
LAS-MIA
How far ahead should I book a flight from Las Vegas to Key Largo?
Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Key Largo. Price data was last updated on April 3, 2026.
The best time to book flights from Las Vegas to Key Largo is 35 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 Las Vegas to Key Largo?
Currently, September is the cheapest month in which you can book a flight from Las Vegas to Key Largo (average of $66). Flying from Las Vegas to Key Largo in October is currently the most expensive (average of $169). 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 LAS to KE9?
Find hourly flight availability from Las Vegas 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 April 10, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 41% on flights from Las Vegas to Key Largo by exploring options for tickets in the afternoon.
What is the cheapest day to fly from Las Vegas to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Key Largo. Price data was last updated on April 4, 2026.
Travelers seeking maximum savings on their Las Vegas to Key Largo flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Las Vegas to Key Largo
Explore weekly flight availability from Las Vegas 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 April 10, 2026.
The most flights from LAS to KE9 are scheduled on a Wednesday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Las Vegas 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 April 10, 2026.
Read through reviews of airlines operating flights from Las Vegas to Key Largo, such as Southwest,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Crew
8.6
Comfort
8.0
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Alternative routes for Las Vegas to Key Largo
See prices for flight routes from nearby airports that may be better suited for you.
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 Las Vegas to Key Largo by cabin class
Find flights from Las Vegas to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Las Vegas and Key Largo flights
Browse other Las Vegas and Key Largo flight options. Last updated on April 10, 2026.
Other flights from Las Vegas
Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Las Vegas to Key Largo flights
Consider these flights traveling from Las Vegas to Key Largo.
Top 7 airlines flying from Las Vegas to Key Largo
Discover the top 7 airlines that operate flights from Las Vegas 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 April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$208 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$128 | Average$310 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$129 | Average$257 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$182 | Average$358 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$192 | Average$364 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$194 | Average$390 | FlexibilityNo cancel fee | On-time71% |